appendix d environmental management plan...turbines wind turbine generators consisting of...

Construction and Operations Management Report

Project 205783 | File COMR Final 20110726� 26 July 2011 | Aurecon Page i

Appendix D Environmental Management Plan

DRAFT ENVIRONMENTAL MANAGEMENT PLAN

Castle Hill Wind Farm

Genesis Energy July 2011

Doc Ref (BD-REWE-051, B669537)

Version Issue Date Description Prepared Authorised

Draft 26/07/2011 Draft lodged with Resource Consent applications Tim McKenzie Kerry Butler

Draft Environmental Management Plan Castle Hill Wind Farm

DOCUMENT CONTROL No:

AMENDMENT RECORD

Castle Hill Wind Farm Environmental Management Plan

Prepared by: Genesis Energy

Initial: Title:

Genesis Energy File name:

Pages Date Issue Description Initials


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Table of Contents

Table of Contents ..........................................................................................................i

Tables ......................................................................................................................... iii

Figures ........................................................................................................................ iii

Document Register ..................................................................................................... iv

Project Terminology and Glossary ................................................................................v

1. The Castle Hill Wind Farm Project...................................................................... 1

2. Purpose and Scope ........................................................................................... 3

3. Statutory Requirements ..................................................................................... 4

4. Genesis Energy’s Approach to Environmental Management............................... 5

5. Environmental Management Framework............................................................. 7

6. Revisions and EMP Evolution ........................................................................... 12

7. EMP Roles and Responsibilities ....................................................................... 18

8. Construction Environmental Management ........................................................ 21

9. Erosion and Sediment Control Measures ......................................................... 31

10. Water Management ......................................................................................... 38

11. Site Rehabilitation and Reinstatement .............................................................. 40

12. Air Quality........................................................................................................ 43

13. Construction Noise Management .................................................................... 44

14. Traffic and Transport Management................................................................... 45

15. Concrete Batching Plant Management ............................................................. 46


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16. Management of Quarries and Crushing Facilities.............................................. 47

17. Archaeological and Heritage Management ....................................................... 48

18. Biodiversity Management................................................................................. 49

19. Visual Mitigation .............................................................................................. 53

20. Hazardous Material Management..................................................................... 54

21. Operations and Maintenance Environmental Management ............................... 57

22. Incidents .......................................................................................................... 63

23. Inspection, Monitoring and Auditing ................................................................. 67

24. Complaints and Enquiries................................................................................. 70

25. EMP Documentation........................................................................................ 71


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Tables

Table 1: EMP Content

Table 2: SEMP Topics and Location

Table 3: Castle Hill Wind Farm – Component Location Consenting Approach

Table 4: EMP Roles and Responsibilities

Table 5: Site Responsibilities

Table 6: Potential Environmental Effects and Environment Management Measures

Table 7: Typical Operations and Maintenance Activities, Effects and Management

Table 8: Environmental Inspections

Figures

Figure 1: Location Map

Figure 2: Layout Overview

Figure 3: External Roads

Figure 4: Wind Farm Component Map A1




Figure 8: Project Organisational Chart


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Document Register

Copy Number Held By

1 Genesis Energy

2 Genesis Energy

3 Genesis Energy

4 Greater Wellington Regional Council

5 Horizons Regional Council

6 Masterton District Council

7 Tararua District Council

8 Consulting Engineer

9 Contractor

10 Contractor

This Environmental Management Plan for the Castle Hill Wind Farm must be reissued to all parties following substantive amendment to its contents. Advice Note: Instructions or matters subject to update are identified in italics.


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Project Terminology and Glossary

Central Laydown Area(s) Areas On-site that may be used to store turbine components for a sub-set of turbine locations, or on which construction equipment and materials can be placed. This is an alternative option to storing components Off-site or at individual Turbine Platforms.

CHWF Castle Hill Wind Farm.

CHWF Landowners Owners of the land on which the wind farm will be built. CHWF Landowners have signed agreements with Genesis Energy.

CHWF Landowners Dwellings Dwellings within the CHWF Site.

CHWF Site or Site The area of land defined by the land titles covered by agreements.

Concrete Batching Plant A facility required for making concrete. Likely to include a concrete mixer, cement bins, sand and aggregate stockpiles, water storage tanks and storage areas for equipment and tools.

Construction Traffic Routes External Roads used for non-OW/OD construction traffic.

Contractor Compound Centre for construction management and workshop based activities consisting of offices, workshops, storage, parking and amenities.

Electrical Balance of Plant (EBoP)

All electrical structures and equipment related to the collection and reticulation of electrical power around CHWF and required to connect the CHWF to the External Transmission Line. Plant includes underground cables, overhead reticulation lines, transformers, substations and switchgear.

Engineered Fill Excavated material (excluding top soil) that is incorporated into engineered earthworks such as road fills, Turbine Platforms and Central Laydown Areas. Placement and treatment of the Engineered Fill is designed to meet construction requirements for such aspects as drainage, strength and stability.

Excess Fill Soil removed from the ground which is either not suitable or not needed as Engineered Fill.

Excess Fill Areas Areas for disposal of Excess Fill.

External Dwellings Dwellings external to the CHWF Site.

External Roads Public roads that are planned to be used for traffic associated with the construction and operation of the CHWF and including roads used by Over-weight and Over-dimension Vehicles.

External Transmission Line The electricity transmission line which connects CHWF to the Transpower national grid.


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Indicative Turbine Layouts Turbine layouts that have been created to represent the range of possible turbine layouts:

80M – a turbine layout consisting of 286 Medium Turbines based on a turbine with an 80m rotor diameter.

90M – a turbine layout consisting of 262 Medium Turbines based on a turbine with a 90m rotor diameter.

100L – a turbine layout consisting of 242 Large Turbines based on a turbine with a 100m rotor diameter.

110L – a turbine layout consisting of 186 Large Turbines based on a turbine with a 110m rotor diameter.

Internal Roads

Roads that will be constructed within the CHWF Site for transporting wind farm components and materials within the Site and to allow access around the Site for construction and operational activities.

Internal Transmission Line The 220kV electricity transmission line that is On-site and connects the main substation to the satellite substation.

Internal Transmission Line Deviation

The deviation of the Internal Transmission Line to connect it to the Switching Station.

Large Turbine Configuration Any turbine configuration that consists only of Large Turbines with a maximum quantity of 242 turbines.

Large Turbines Turbines that have a maximum tip height greater than 135m but no greater than 155m.

Lay-by A passing bay which provides a means for large vehicles to pass each other on Internal Roads.

Main Substation The larger of the two substations, located in the southern region of the wind farm.

Medium Turbine Configuration Any turbine configuration that consists only of Medium Turbines with a maximum quantity of 286 turbines.

Medium Turbines Turbines that have a maximum tip height of 135m.

Mixed Turbine Configuration Any turbine configuration that consists of a mixture of Large Turbines and Medium Turbines with a maximum quantity of turbines limited by the proportion of Medium and Large Turbines.

Off-site Anywhere outside the CHWF Site.

On-site Anywhere within the CHWF Site.

OW/OD Over-weight and/or over-dimension.

OW/OD Route External Roads used for OW/OD Vehicles.

OW/OD Vehicles Any vehicle with a gross mass in excess of 40 tonnes and/or over 20 metres in length, 2.5 m in width and 4.25 m in height.

Road Pavement The top layer of material on the Internal Road that forms a surface that is designed specifically for traffic to regularly pass over it.


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Satellite Substation The smaller of the two substations, located in the northern region of the wind farm.

Switching Station Provides an optional connection point for the External Transmission Line to connect to the Internal Transmission Line as an alternative to connecting at the Main Substation.

Turbine Clusters Groupings of turbines for ease of reference.

Turbine Corridor The area of the CHWF Site in which Turbines can be located.

Turbine Foundations The underground foundation upon which each turbine is based and which keeps the Turbine upright and stable.

Turbine Platform An engineered flat area beside the turbine that will be used for laying out and assembling turbine components and as a hard standing area for construction equipment and vehicles, particularly the construction crane.

Turbines Wind turbine generators consisting of foundations, tower, nacelle and rotor and including all equipment for and associated with the generation of electricity from the wind.

Wind Farm Access Points Entrances to the CHWF Site where External Roads meet Internal Roads.


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1. The Castle Hill Wind Farm Project

Genesis Energy is proposing to construct and operate a wind farm in northern Wairarapa, known as the Castle Hill Wind Farm (hereafter referred to as “CHWF”). The CHWF Site is located 20km east of Eketahuna and Pahiatua, 20km north-east of Masterton and 15km west of the Wairarapa coast north of Castlepoint (Figure 1, Appendix A). The CHWF Site covers an area of approximately 30,000ha. The CHWF Site is characterised by undulating hills of predominantly pastoral grass, with grazing by sheep and cattle. Stands of native vegetation are located throughout the Site, particularly in gullies, with several small forestry blocks scattered across the Site. The topography is varied, with elevation ranging from 200m to 500m above sea level. The CHWF Site is located in a remote area that is sparsely populated. There are six small rural settlements in or around the CHWF area including Tinui, Pongaroa, Alfredton, Makuri, Tiraumea and Bideford. These six settlements had a combined population in 2006 of around 500 people in 110 households1. Masterton (population 18,000), Pahiatua (population 2,600) and Eketahuna (population 460) are the larger townships located within 30kms of the CHWF Site2 (Figure 1, Appendix A). Key components and features of the CHWF project include:

• Turbines: plant consisting of foundations, tower, nacelle and rotor for conversion of wind energy into electricity.

• A Turbine Corridor: 3,144ha identified as suitable for turbine placement. Turbines will be located within this corridor.

• Turbine Clusters: groupings of turbines for ease of reference.

• Turbine Configurations: up to 286 Medium Turbines (maximum tip height 135m) or up to 242 Large Turbines (maximum tip height greater than 135m but no greater than 155m) or a mixture of Medium and Large Turbines installed within the Turbine Corridor.

• Internal Roads: roads constructed within the CHWF Site for transporting wind farm components, materials and personnel within the Site and to allow access around the Site for construction and operational activities.

1 Statistics NZ 2006 Census2 Statistics NZ 2006 Census


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• Electrical Balance of Plant (EBoP): All electrical structures and equipment related to the collection and reticulation of electrical power around CHWF to the point of connection to the External Transmission Line. Plant includes an Internal Transmission Line, 33kV overhead lines, 33kV underground cables, a Main Substation and Satellite Substation, an optional Switching Station and switch gear huts along with other associated electrical equipment.

• Monitoring masts: up to 16 monitoring masts to collect on-going meteorological information during the operational life of the CHWF.

• External Roads: Public roads near the Site that are planned to be used for traffic associated with the construction and operation of the CHWF and by Over-weight and Over-dimension Vehicles (OW/OD Vehicles).

• Earthworks associated with the construction and maintenance of the CHWF.

• Temporary construction infrastructure: components required for construction of the CHWF including Concrete Batching Plants, Central Laydown Areas, Excess Fill Areas, Contractor Compound, quarrying and crushing facilities and water storage and abstraction facilities.

• Operations infrastructure e.g. operations and maintenance buildings (O&M facilities).

The Turbine Corridor, Turbine Clusters, Internal Roads, Substations and the Internal Transmission Line are shown in Figure 2, Appendix A. External Roads are shown in Figure 3 (Appendix A), and wind farm components are shown on Figures 4, 5, 6, 7 in Appendix A. The generation capacity of the CHWF is in the order of 600MW. The maximum capacity will be dependent on the type of turbine eventually selected for the Site but current Site and wind turbine analysis indicates a potential capacity of up to 860MW. Development of the CHWF may progress in stages, with any first stage being in the order of 300MW. This capacity depends on the wind turbine model selected, but will also depend on other commercial and technical factors.


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2. Purpose and Scope

In applying for the resource consents to construct and operate the CHWF and associated structures, Genesis Energy identified how potential environmental effects would be avoided, remedied, mitigated and ultimately managed. As a means of augmenting the mitigation measures proposed to address environmental effects set out in the Assessment of Environmental Effects (AEE), this Environmental Management Plan (EMP) has been prepared to articulate, and implement those environmental management measures. This EMP provides an overarching management framework that will manage environmental effects which arise from the construction, commissioning and operation of the CHWF project. It identifies roles and responsibilities and includes practical management actions, performance requirements, and a system of monitoring, reporting and auditing, and corrective action requirements for the project.


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3. Statutory Requirements

Genesis Energy [is seeking/holds] resource consents from Tararua District Council (TDC), Masterton District Council (MDC), Greater Wellington Regional Council (GWRC) and the Manawatu-Wanganui Regional Council (MWRC) for the construction, operation, maintenance, replacement and refurbishment of all structures associated with the CHWF. [These consents are attached in Appendix B]. The conditions of those consents [sought/held] specify various standards, terms, restrictions and prohibitions. The purpose of those conditions is to provide certainty in relation to the effective management and enforceability of the consents, such that in relation to the operation or development of the CHWF, any adverse effects on the environment are avoided, remedied or mitigated.

3.1 Consent Timeframes and Implementation

The resource consents Genesis Energy [is seeking/holds] consist of land use consents which have an unlimited duration and regional resource consents relating to permanent features (for example bridges and culverts) which have a duration of 35 years. The lapse period or period of time following the grant of consent where by substantial progress must have been made towards giving effect to the consent and continues to be made has been [sought/granted] for 10 years. To enable construction of wind farm components, construction related consents have been [sought/granted] for a period of 20 years.


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4. Genesis Energy’s Approach to Environmental Management

Genesis Energy’s approach to environmental management is expressed in a suite of Environmental Values. Genesis Energy’s intention and principles in relation to its overall environmental performance are: We are committed to achieving excellence in all our environmental practices and to ensuring that environmental and social awareness are the cornerstones of our business. Achieving full regulatory compliance is considered to be the minimum standard that Genesis Energy must strive to achieve in the operation of its business3. At Genesis Energy we:

• Act with integrity at all times

• Foster close relationships with the community and stakeholders, so that their views can be incorporated into the environmental decision-making processes.

• Acknowledge that our activities affect both the environment and the communities within which we operate.

• Respect the role of tangata whenua as kaitiaki of the natural resources and taonga within their rohe.

• Investigate to better understand the nature of the environmental effects – and share this information with the community and stakeholders.

• Seek environmental improvements in all aspects of our business.

Genesis Energy understands that all aspects of its business can impact on the environment and that in order to reduce that impact it must:

• Identify those who have responsibility for environmental management.

• Identify and document all environmental effects associated with its activities.

• Identify environmental objectives and develop associated work programmes to address the environmental effects of the activities undertaken.

• Regularly review how well the company environmental values are being implemented, whether objectives are being met and which areas require corrective action.

• Report publicly on environmental performance.

3Genesis Energy, Environmental Management Manual, Genesis Energy Environmental Values (GEN-ENV-POL-0006)


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To achieve these objectives, Genesis Energy operates an Environmental Management System (EMS) which utilises a number of different business systems to manage the company’s effects and requirements for environmental management across all Genesis Energy projects and operational sites. The EMS provides the necessary controls and instructions to achieve the company’s commitment to environmental excellence and requirement to comply with all environmental legislation. The EMS applies to all activities involving the use of natural and physical resources and the environment, from the conceptual stage of any project through to normal operational activities of Genesis Energy.


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5. Environmental Management Framework

The environmental management framework for the CHWF uses the EMP and associated Supplementary Management Plans (SEMPs) as the primary mechanisms to implement the measures to manage potential environmental effects. Through the consenting process the EMP, (in draft form) was prepared and made available to stakeholders and decision makers so that they could view the objectives of and the proposed approach to environmental management at the CHWF by Genesis Energy. Specifically the EMP establishes the environmental management procedures associated with the construction and operation of the CHWF. It sets out Genesis Energy’s environmental management activities which shall, as a minimum, meet and comply with consent requirements. The EMP will be updated to reflect the requirements and conditions imposed by all resource consents issued for the CHWF project, and updated in response to any future amendments to such consents.

5.1 Environmental Management Plan

This EMP has the following objectives:

• To provide for the effective management of the environmental effects and environmental concerns arising from the CHWF project.

• To ensure the construction of CHWF is compliant with the relevant statutory requirements (such as conditions of consent).

• To assign management responsibilities and to define reporting requirements.

• To implement the mitigation measures.

• To identify management strategies for implementation.

• To establish a system to assess the effectiveness of environmental management actions implemented, by way of audits, inspections and monitoring programme set against acceptable environmental performance criteria.

• To ensure the project contractors, construction and operational staff are aware of the environmental controls of the project, with the expectation that their activities will be conducted and managed in accordance with the EMP.

• To regularly review how well the management objectives are being met and that they remain appropriate.

• To monitor activities and report internally and externally on environmental performance.


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The EMP sets out the following matters:

Table 1: EMP Content

Content Topic Section

The Castle Hill Wind Farm Project 1

Purpose and Scope 2

Statutory Requirements 3

Genesis Energy’s Approach to Environmental Management 4

Environmental Management Framework 5

Revisions and EMP Evolution – including adaptive management improvement approach responding to monitoring and protocols for managing design finalisation.

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EMP Roles and Responsibilities. 7

Construction Environmental Management measures to be adopted 8

Erosion and Sediment Control Measures 9

Water Management 10

Site Rehabilitation and Reinstatement 11

Air Quality 12

Construction Noise Management 13

Traffic and Transport Management 14

Concrete Batching Plant Management 15

Management of Quarries and Crushing Facilities 16

Archaeology and Heritage Management 17

Biodiversity Management 18

Visual Mitigation 19

Hazardous Material Management 20

Operations and Maintenance Environmental Management – including measures to be adopted

21

Incidents (including Incident Response Plan) 22

Inspection, Monitoring and Auditing 23

Complaints and Enquires 24

EMP Documentation for recording and reporting. 25


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5.2 Supplementary Environmental Management Plans

In addition to the EMP, SEMPs [will be/have been] prepared to ensure a suitable level of management is implemented for specific locations or activities at the CHWF Site. The process of preparing the SEMPs is outlined below. Contractors involved with the CHWF project will be contractually obligated to contribute to, and to implement the EMP and the SEMPs. [A contractor’s ability to comply with the EMP/SEMPs will form part of the construction tender process]. SEMPs [will be/have been] prepared after the resource consent conditions have been finalised and [will be/have been] developed in conjunction with the draft EMP with input from the appointed contractor, relevant specialists, Genesis Energy staff and Council representatives. Final SEMPs [will/have been] submitted to Council for approval prior to construction commencing. The following SEMPs [will be/have been] prepared4:

Table 2: SEMP Topics and Location

SEMP Location

Erosion and Sediment Control Plan (ESCP) Appendix F

Drainage Management Plan (DMP) Appendix G

Quarry Management Plan (QMP) Appendix H

Concrete Batching Plant Management Plan (CBPMP) Appendix I

Baseline Aquatic Monitoring Plan (BAMP) Appendix J

Construction Aquatic Monitoring Plan (CAMP) Appendix K

Biodiversity Management – Revegetation Plan Appendix L

Biodiversity Management – Weed Hygiene and Surveillance Plan Appendix M

Construction Noise Management Plan (CNMP) Appendix N

Construction Traffic Management Framework (CTMF) Appendix O

Draft Archaeological Accidental Discovery Protocol Appendix P

Biodiversity Management – Habitat Management Plan(s) Appendix Q

Biodiversity Management – Riparian Protection Plan Appendix R

Biodiversity Management – Goat Control Plan Appendix S

Biodiversity Management – Avifauna Monitoring Plan Appendix T

Biodiversity Management – Bat Monitoring Plan Appendix U

4 List to be updated and completed prior to construction and in response to conditions of consents


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SEMP Location

Biodiversity Management – Lizard Monitoring Plan Appendix V

Biodiversity Management – Predator Control Plan Appendix W

Biodiversity Management – Vegetation Management Plan Appendix X

Operational Noise Management Plan (ONMP) Appendix Y

Spill Response Plan (SRP) Appendix Z

5.3 SEMP Preparation and Requirements

Detailed requirements for each of the SEMPs will be determined and agreed with the contractor, relevant Genesis Energy staff (e.g. environmental manager, project manager), technical specialists and the relevant Regional or District Council representatives. This will involve a review of detailed designs and conditions of consent, Site visits and review of other information required to determine the extent of effects management required. Preparation of SEMPs follows the general process described below.

• A preliminary design or methodology is completed.

• A draft SEMP is prepared.

• Councils review the SEMP and provide feedback.

• SEMP finalised and issued to the Councils and contractors.

SEMPs typically include the following. Outline approaches to SEMPs are set out in Appendix F – Z.

• Objectives and purpose.

• Roles and responsibilities.

• Detailed plans showing location and details of the required management measures.

• Construction or implementation methodology if not provided in the EMP.

• Design criteria.

• Design calculations.

• Any details relating to the operation and maintenance of the proposed management measures.

• Construction method statements – i.e. method statements for the construction activities associated with the SEMP.

• Any specific requirements for hazardous substances (such as fuels).

• Actions and measures implemented to minimise environmental effects.


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• Key contact details.

• Key environmental considerations.

• Construction or implementation programme.

• Monitoring and inspection schedule requirements, frequency and reporting.

• Health and safety requirements and measures.


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6. Revisions and EMP Evolution

This section of the EMP establishes the process and approach for documenting changes made under the adaptive management approach and also the protocol for managing design finalisation. The adaptive management approach involves regular monitoring and reporting which creates a continuous improvement feedback loop and ensures that actual On-site effects are being addressed and managed appropriately. Genesis Energy will operate a “plan-do-check-act” adaptive management approach. The approach enables objectives to be set, actions to be monitored and performance to be evaluated against those objectives and for this to be communicated to relevant stakeholders. It will enable reviews of progress to check the effectiveness of actions and to ensure that improvements are implemented accordingly.

6.1 EMP Evolution and Control

The EMP is subject to revision based on review, experience and changes in technology, thereby taking an adaptive approach to improve future management. The key mechanisms for this include the following:

• Review of measures utilised to manage effects.

• Improvements identified from any incident response.

• Consultation with relevant stakeholders.

• Undertaking an annual review.

To maintain control over any changes in approach made through the evolution of the EMP, this EMP has been issued as a controlled document. Any other copies issued in part or full are deemed not to be controlled copies and will not be updated nor may they be considered a current document. All copies shall be distributed in accordance to the document register. On receipt of a revision the copyholder shall discard the superseded copy and adopt the new copy.

6.2 Component Location Consenting Approach

Overall, the environmental effects assessment for the CHWF Project has been undertaken on a comprehensive, conservative and robust basis. The AEE, and the supporting technical information, [is/was] provided in such detail as corresponds with the scale and significance of the effects that the CHWF activities may have on the environment. As noted, the CHWF Site encompasses some 30,000 ha, with a construction footprint of 861 ha and an operational footprint of some 226 ha. In order to provide an assessment of all potential environmental effects (positive and negative), independent experts


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[have undertaken/undertook] both specific and representative effects assessments. Thus, while not every spatial area of the 30,000 ha Site [has been/was] specifically assessed, the worst case position for all potential effects [has been/was] assessed regardless of the final location of all the activities for which resource consent has been [sought/granted]. Optimisation of the CHWF design [is/was] proposed to make the best use of the wind resource while responding to technological advances, opportunities to minimise environmental effects and in order to take account of Site conditions following grant of resource consent. When implementing the CHWF project, Genesis Energy will ensure that final designs fit within the overall location and extent of effects described in the AEE and authorised by the resource consents [sought/granted]. It will ensure that the nature and scale of the effects associated with the final design are no greater than the authorised adverse effects. In that regard, it is anticipated that the following protocol will form part of the conditions of consent. 6.2.1 Protocol for Managing Design Finalisation During the development of the final design, the following protocol will apply:

1. Confirm the final location of the CHWF components.

2. Document the reasons why the final location has been selected.

3. Prepare detailed design drawings.

4. Ensure that exclusion areas where infrastructure shall not be located contain no infrastructure elements apart from those specific locations sought in the AEE.

5. Undertake a confirmatory process to ensure environmental effects are no greater than that contained in the AEE.

6. Report the findings of the confirmatory process, to confirm that for the project as a whole:

a. Areas of legally protected habitats (DOC, QEII) and, ‘rare’, ‘threatened’ or ‘at risk’ habitats identified under statutory plans will not be disturbed.

b. Areas of ‘high ecological value’ as defined in the Ecological Effects Assessment in support of the AEE will be avoided, except to the extent already outlined in the CHWF Project Figures shown in the AEE. Clearance of a limited amount of ‘high ecological value’ vegetation is described and this quantity will not be exceeded in construction of the CHWF.

c. Clearance of indigenous vegetation will be minimised and will not cause the maximum quantity of indigenous vegetation clearance of 66 ha described in the AEE to be exceeded.

d. Watercourse crossings will not vary in location by more than 100m each


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side of locations identified in the AEE.

e. Gullies with watercourses will be avoided unless it can be demonstrated that downstream water quality effects are no more than minor.

f. Seepage areas dominated by indigenous species with an area greater than 0.05ha will be avoided.

g. Total CHWF earthworks volumes described in the AEE are not exceeded.

h. Noise standards will be complied with or effects will be appropriately mitigated.

Overall, the design of the CHWF has been undertaken to a level sufficient to enable the environmental effects to be assessed robustly and conservatively. During detailed design and optimisation, the protocol set out above will ensure that effects are well managed and will not exceed the nature and scale of effects as described in the AEE. Table 3, below, summarises the parameters within which Genesis Energy will refine and finalise the location of the CHWF infrastructure.

Table 3: Castle Hill Wind Farm – Component Location Consenting Approach

Component Rationale Location Description

Turbines

(including Turbine Foundations and Turbine Platforms)

Siting refinement is important to allow for variation in spacing between Turbines to maximise energy output. Spacing varies depending on the size of the Turbine rotor and therefore, optimal spacing can only be determined once the final turbine model(s) are selected after resource consent acquisition. Four Indicative Turbine Layouts have been established to provide a basis for representative engineering and environmental assessments and to illustrate how different Turbine sizes may be placed within the Turbine Corridor.

Turbines may not be sited anywhere other than in the Turbine Corridor.

Turbine Corridor

The Turbine Corridor incorporates all areas within the CHWF Site identified for turbine placement. The development and refinement of the Turbine Corridor has incorporated representative environmental and engineering assessments to avoid, remedy or mitigate adverse environmental effects.

The area and location of the Turbine Corridor is located where indicated in the CHWF Project Maps.

Internal Roads

(including Lay-bys)

Internal Roads have been designed and associated earthworks volumes calculated and will generally be located where indicated. However the scope sought within the resource consent will enable the final location of the Internal Roads to be confirmed during the detailed design phase. Further refinement may be required due to the following:

Technological advances in transporters or

Internal Roads are likely to be located where indicated in the CHWF Project Maps but may be located anywhere within the Site, subject to the limits presented below:

(1) Areas of legally protected habitats (DOC, QEII) and, ‘rare’, ‘threatened’ or ‘at risk’ habitats


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components, or construction techniques. This may enable a more efficient route to be taken which may reduce earthworks and/or ecological effects.

Unforeseen ground conditions or environmental constraints.

Unidentified archaeological sites or features.

The Internal Road design approach is considered appropriate at this Site because of the large proportion of the Site consisting of low or negligible ecological value. The location of the Internal Roads will be influenced by the fixed locations of key CHWF infrastructure (Turbines within the Turbine Corridor and Substations) to which they will provide access.

identified under statutory plans will not be disturbed.

(2) Areas of ‘high ecological value’ as defined in the Ecological Effects Assessment in support of the AEE will be avoided, except to the extent already outlined in the CHWF Project Figures and shown in the AEE. Clearance of a limited amount of ‘high ecological value’ vegetation is described and this quantity will not be exceeded in construction of the CHWF.

(3) Clearance of indigenous vegetation will be minimised and will not cause the maximum quantity of indigenous vegetation clearance of 66 ha described in the AEE to be exceeded.

(4) Watercourse crossings will not vary in location by more than 100m each side of locations identified in the CHWF Project Figures.

(5) Gullies with watercourses will be avoided unless it can be demonstrated that downstream water quality effects are no more than minor.

(6) Seepage areas dominated by indigenous species with an area greater than 0.05ha will be avoided.

(7) Total CHWF earthworks volumes described in the AEE are not exceeded.

Main Substation

Two locations have been identified for the Main Substation. The key factors that will determine which location will be most appropriate will be the final size, location and order of stages of construction, and the final location of the External Transmission Line.

Two alternative locations also provide redundancy in the unlikely event that one location is found to be unsuitable during detailed design.

The Main Substation will be located at one of the two locations shown in the CHWF Project Maps.

Satellite Substation

The location of the Satellite Substation was identified after a thorough assessment of the overall Site against a range of suitability criteria, such as area, topography, visibility, distance from occupied dwellings, and potential for flood

The location of the Satellite Substation is shown in the CHWF Project Maps.


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risk, accessibility and ecology.

Switching Station

The Switching Station location was identified after a thorough assessment of the overall Site against a range of suitability criteria, such as area, topography, visibility, proximity to dwellings, potential for flood risk, accessibility, expected proximity to the External Transmission Line connection point and ecology.

The location of the Switching Station is shown in the CHWF Project Maps.

Internal Transmission Line

The Internal Transmission Line has been designed to a reasonably high level of certainty and apart from micro-siting of towers is not expected to change.

The location indicated in the AEE shows some alternative arrangements depending on the location of the Main Substation and whether the Switching Station is utilised.

The location of the Internal Transmission Line will be within 50m of the location indicated in the CHWF Project Maps.

The location of the Internal Transmission towers will be within 50m of the locations indicated in the CHWF Project Maps and will be positioned to avoid clearance or trimming of indigenous vegetation to the extent practicable.

33kV overhead lines and underground cables

Wherever practical, the 33kV reticulation system will follow Internal Roads so the requirement for variation from the routes indicated will match that of the Internal Roads.

The opportunity arising from refinement, and the degree of constraint applied is as for the Internal Roads.

Other EBoP Other EBoP components such as switchgear huts will generally be located near previously listed EBoP components (substations, overhead lines and underground cables) and will vary in their location as these other components do.

Excess Fill Areas

On-site Excess Fill Areas have been identified as suitable from both an engineering and environmental perspective. They are located near or adjacent to Internal Roads to minimise transport of Excess Fill and so may vary in location if Internal Roads relocations are required. Other variations may be required to achieve engineering or environmental improvements and additional Excess Fill Areas may also be identified by the contractor.

Central Laydown Areas

Indicative Central Laydown Area locations have been identified to indicate suitable sites and demonstrate that the requirement to provide Central Laydown Areas can be achieved.

Contractor Compounds

The contractor will identify a suitable location for the Contractor Compound prior to construction.

Operations and

The location of O&M facilities will be determined prior to construction depending on the final size,

These components are likely to be located where indicated in the CHWF Project Maps but may be located anywhere within the Site, subject to the following limitations:

(1) Areas of legally protected habitats (DOC, QEII) and, ‘rare’, ‘threatened’ or ‘at risk’ habitats identified under statutory plans will not be disturbed.

(2) Areas of ‘high ecological value’ as defined in the Ecological Effects Assessment in support of the AEE will be avoided, except to the extent already outlined in the CHWF Project Figures and shown in the AEE. Clearance of a limited amount ‘high ecological value’ vegetation is described and this quantity will not be exceeded in construction of the CHWF.

(3) Clearance of indigenous vegetation will be minimised and will not cause the maximum quantity of indigenous vegetation clearance of 66 ha described in the AEE to be exceeded.

(4) Gullies with watercourses will be avoided unless it can be demonstrated that downstream water quality effects are no more


17


maintenance facilities

location and order of stages of construction.

Quarries Quarries will be established at the locations indicated or additional sites if identified during construction.

Crushing Plant

Crushing plant is likely to be located at or near the quarry sites.

Concrete Batching Plants

Concrete Batching Plants will be located either near current construction sites, or near material sources such as quarries or water abstraction sites. Indicative locations have been identified with specific locations to be determined prior to construction. The plants will be re-locatable, with only one or two locations operating concurrently at any one time and sites being rehabilitated as soon as the Concrete Batching Plant is relocated.

than minor.

(4) Seepage areas dominated by indigenous species with an area greater than 0.05ha will be avoided.

(5) Total CHWF earthworks volumes described in the AEE are not exceeded.

(6) Noise standards will be complied with or effects will be appropriately mitigated.

Water abstraction and storage areas

Water abstraction and storage locations have been identified.

The location of water abstraction and storage facilities is shown in the CHWF Project Maps.


18

7. EMP Roles and Responsibilities

7.1 General Responsibilities

Whilst Genesis Energy has the ultimate responsibility for the implementation of the EMP, the Contractor has a responsibility to ensure that the environmental measures provided in the EMP and SEMP’s are implemented. In addition to Council inspections, the EMP implementation is subject to internal Genesis Energy inspections, auditing and reporting. Responsibilities for the environmental performance of the CHWF project are outlined in Table 4 below.

Table 4: EMP Roles and Responsibilities

Organisation Primary Responsibilities

Genesis Energy • Overall responsibility for the project, contractors and environmental performance of the CHWF

• Ultimate responsibility for the implementation of the EMP and SEMPs

• Undertakes internal Genesis Energy inspections, auditing and reporting to determine if works are being undertaken in accordance with the EMP and SEMPs

• Authorises all changes to design and contracts

• Assists in providing training and inductions

• Complaint handling

• Incident management and emergency response

• Document control

• Genesis Energy will assume the ongoing environmental management role at the CHWF following construction

Contractor • Contribute to and implement the EMP and SEMPs

• Undertake all aspects of environmental management as set out in its Agreement with Genesis Energy

• Have in place appropriate systems and procedures to comply with the environmental management requirements for the Site

• Ensure all reasonable steps have been taken to protect the environment

• Comply with all legal and statutory requirements

• Operate in accordance with the requirements of resource consents authorising the proposed activities and in accordance with the EMP and SEMPs

• Contribute to the ongoing improvement and implementation of the EMP and SEMPs

• Adhere to the requirements of any other relevant plans for the CHWF Site


19

Organisation Primary Responsibilities

• Providing training and inductions

• Assist in responding to complaints or issues

• Support incident management and emergency response procedures

Council • Audit and monitor the Site construction activities to identify that these are being undertaken in compliance with the conditions of resource consent and the EMP and SEMPs

• Review reports prepared by Genesis Energy in respect of reporting on implementation mechanisms and monitoring outcomes

• Act on advice and information provided by Genesis Energy and stakeholders

7.2 Site Responsibilities

The Site Project Environmental Manager will be responsible for the implementation and maintenance of the EMP and acts as an interface between the contractor’s project manager, Genesis Energy and other stakeholders. Table 5 identifies the Site environmental responsibilities of project stakeholders.

Table 5: Site Responsibilities

Name Company Position Responsibilities

Genesis Energy Project Principal Overall responsibility for the project

Authorises all changes to design and contracts

Genesis Energy Project Manager Overall responsibility for the environmental performance of the project

Genesis Energy Project Environmental Manager

Audit and inspection to determine if works are being undertaken with EMP and SEMP

Training and inductions

Complaint handling

Incident management and emergency response

Prepare, review, revise, distribute and control the EMP and SEMP documents

Document control


20

Name Company Position Responsibilities

Main contractor Project Manager Management of all contractors and subcontractors

Implement mitigation measures and obligations outlined in the EMP and SEMP documents

Ensure compliance with EMP, SEMP and resource consent conditions

Inspections and reporting

Incident management and emergency response

Training and inductions

Various Staff and Sub-contractors

Adhere to EMP and SEMP

Incident reporting

Councils Consents management

Approval of EMP and SEMPs

Auditing to ensure consent conditions are being met

Councils Compliance and monitoring officer (or equivalent)

Approval of EMP and SEMPs

Auditing to ensure consent conditions are being met

Various Technical Specialists

Specialist environmental support

The project organisational structure [is/will be] outlined in Figure 8 below. The contact details for key personnel are provided in Appendix B.

Figure 8: Project Organisational Chart

[The Project Organisation Chart will be prepared once roles and responsibilities have been assigned]


21

8. Construction Environmental Management

This section of the EMP outlines the proposed general environmental management measures to be implemented to address environmental effects. Detailed methods for specific sites and issues will be identified within the SEMPs, provided in appendix to the EMP.

8.1 General Operations

Works will not commence On-site until the following actions have been undertaken:

• Pre construction conditions of resource consent have been met and authorised by Council.

• All other approvals required from Council have been received for a given project area.

• Relevant EMPs and SEMPs are have been approved by the relevant authority.

8.2 Provision of Information, Training and Inductions

All organisations and individuals working on the CHWF project will be required to complete a formal Site induction prior to commencing work On-site. The induction will include important environmental issues pertaining to the Site including environmental management requirements, accidental discovery of cultural or archaeological sites or material, emergency response procedures and incident reporting, as well as Health and Safety information and requirements. Attendees will be provided with a copy of the EMP and any appropriate SEMP to read prior to commencing work On-site. A register will be maintained by the contractor’s Project Manager which needs to be signed prior to an individual commencing work On-site confirming they have understood the contents of the EMP and relevant SEMPs. Should any specialised environmental training be identified as being necessary for personnel at the Site, training will be provided by a suitably qualified person. A record of the training will be kept by the contractor’s Project Manager. Environmental issues and management will be included as an item on the agenda of daily toolbox meetings to assist in the continuing development and improved performance of environmental management On-site.


22

8.3 Construction Activities

The main construction activities have been identified and described in detail in the COMR. These include:

• Wind Farm Access - Establishment of External Roads and Internal Roads providing access to the Site.

• Establishment of temporary Site presence by contractors. Creation of temporary Contractor Compounds On-site for the duration of the construction project.

• Internal Road establishment and construction.

• Formation of Turbine Platforms.

• Construction of Central Laydown Areas.

• Transport of components (turbines, EBoP) to Site.

• Establishment of water storage facilities and water abstraction systems.

• Establishment and operation of quarries and crushing facilities.

• Establishment and operation of Concrete Batching Plants.

• Construction of Operation and Maintenance building(s).

• Establishment and construction of Internal Transmission Line access and Internal Transmission Line structures and conductors.

• Establishment of Excess Fill Areas.

• Excavation works and formation of Turbine Foundations.

• Formation of Substation and optional Switching Station pads and construction of Substations and optional Switching Station.

• Excavation works and laying of underground cabling, earthing and communications between Turbines and the Substation sites.

• Overhead electrical reticulation line works between clusters and the substations.

• Formation of wind monitoring mast foundations, construction of monitoring masts.

• Turbine tower erection.

• Turbine nacelle installation.

• Turbine rotor assembly and installation.

• Commission Electrical Balance of Plant (connect to external 220kV grid).

• Install and commission wind farm communications system (SCADA and external).

• Turbine electrical commissioning and reliability runs.

• Disestablishment of temporary works.

• Revegetation and restoration.

• Power performance testing.


23

• Normal operations and maintenance.

Environmental effects and the identified management measures are summarised in Table 6 below and set out in detail further on.

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

24

Tabl

e 6:

Pot

entia

l Env

ironm

enta

l Effe

cts

and

Envi

ronm

ent M

anag

emen

t Mea

sure

s

Pot

entia

l Env

ironm

enta

l Ef

fect

C

ause

M

easu

res

to A

void

Eff

ects

M

onito

ring

and

repo

rtin

g

Con

tinge

ncy

Mea

sure

s

Acc

eler

ated

ero

sion

C

reat

ion

of

unst

able

or

dist

urbe

d su

rfac

es

Min

imis

e th

e ar

ea o

f ero

dibl

e su

rfac

es.

Lim

it th

e pe

riod

of ti

me

that

sur

face

s ar

e le

ft in

an

unst

able

st

ate.

Sta

ging

of e

arth

wor

ks

Use

com

pact

ion

to s

tabi

lise

unst

able

sur

face

s

Rev

eget

ate

surf

aces

as

soon

as

poss

ible

.

Mul

ch s

lope

s

Insp

ect p

erio

dica

lly

Rep

ort w

eekl

y

Rep

ort m

onth

ly

Re-

esta

blis

hmen

t of

erod

ible

sur

face

s

Acc

eler

ated

ero

sion

S

torm

wat

er r

unof

f ov

er d

istu

rbed

su

rfac

es

Inst

all d

rain

age

to d

iver

t wat

er a

way

from

dis

turb

ed a

reas

Cre

ate

pond

ing

area

s to

red

uce

wat

er v

eloc

ity a

nd s

ettli

ng o

f se

dim

ents

Avo

id c

once

ntra

tion

of w

ater

vol

umes

Use

app

ropr

iate

ero

sion

and

sed

imen

t con

trol

met

hods

Ensu

re s

edim

ent c

ontr

ols

are

mai

ntai

ned

and

fit fo

r pu

rpos

e

Col

lect

sto

rmw

ater

in a

ppro

pria

te d

eten

tion

stru

ctur

e

Use

str

uctu

res

to d

issi

pate

ene

rgy

and

allo

w fo

r se

ttle

men

t of

sedi

men

ts.

Insp

ect p

erio

dica

lly,

part

icul

arly

dur

ing

incl

emen

t wea

ther

Rep

ort w

eekl

y

Rep

ort m

onth

ly

Mon

itor

wea

ther

Pot

entia

l for

the

inst

alla

tion

of

addi

tiona

l sed

imen

t co

ntro

l mea

sure

s

Pro

vide

max

imum

st

orag

e ca

paci

ty in

ad

vanc

e of

fore

cast

ed

rain

fall

Use

of f

locc

ulan

ts

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

25

Pot

entia

l Env

ironm

enta

l Ef

fect

C

ause

M

easu

res

to A

void

Eff

ects

M

onito

ring

and

repo

rtin

g

Con

tinge

ncy

Mea

sure

s

Acc

eler

ated

ero

sion

–

Tops

oil l

oss

Top

soils

not

re

cove

red

or lo

st

from

sto

ck p

iles

Car

eful

rem

oval

and

sto

rage

of t

opso

il at

out

set o

f ear

thw

orks

Loca

te s

tora

ge s

ites

away

from

are

as o

f sur

face

wat

er /

ov

erla

nd fl

ows.

Loca

te s

tora

ge s

ites

away

from

pre

vaili

ng w

inds

Com

pact

soi

l to

redu

ce lo

sses

Res

prea

d an

d co

mpa

ct a

s so

on a

s po

ssib

le.

Cov

er lo

ads

Ade

quat

e su

perv

isio

n

Use

of a

ppro

pria

te m

achi

nery

and

tech

niqu

es

Insp

ect p

erio

dica

lly

Rep

ort m

onth

ly

Esta

blis

h co

ver

on

tops

oil s

tock

pile

s su

ch

as g

rass

ing,

mul

ch o

r ge

otex

tiles

.

Sed

imen

t loa

ding

of l

ocal

w

ater

way

s as

a r

esul

t of

stor

mw

ater

run

off f

rom

di

stur

bed

area

s

Sto

rmw

ater

run

off

from

dis

turb

ed

surf

aces

Inst

all d

rain

age

to p

reve

nt w

ater

run

ning

ove

r di

stur

bed

surf

aces

(div

ert c

lean

wat

er)

Inst

all e

rosi

on a

nd s

edim

ent c

ontr

ol s

truc

ture

s.

Silt

fenc

es a

nd im

prov

ed s

ilt fe

nces

Sed

imen

t pon

ds

Oth

er s

truc

ture

s as

nec

essa

ry

Insp

ect p

erio

dica

lly,

part

icul

arly

prio

r to

and

du

ring

incl

emen

t w

eath

er

Rep

ort w

eekl

y

Rep

ort m

onth

ly

Mon

itor

wea

ther

Mon

itor

eros

ion

and

sedi

men

t con

trol

st

ruct

ures

Pro

vide

mor

e er

osio

n an

d se

dim

ent c

ontr

ols

Use

of f

locc

ulan

ts

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

26

Pot

entia

l Env

ironm

enta

l Ef

fect

C

ause

M

easu

res

to A

void

Eff

ects

M

onito

ring

and

repo

rtin

g

Con

tinge

ncy

Mea

sure

s

Spi

lls a

nd le

aks

of

haza

rdou

s su

bsta

nces

, oi

l, fu

el o

r an

y ot

her

subs

tanc

e ha

rmfu

l to

the

surr

ound

ing

envi

ronm

ent

Fuel

spi

lls, o

ils,

conc

rete

was

h,

haza

rdou

s su

bsta

nces

Ensu

re s

ecur

e an

d bu

nded

sto

rage

com

poun

ds p

rovi

ded

Ensu

re c

onta

min

ants

are

han

dled

app

ropr

iate

ly

Pro

hibi

t fue

lling

and

haz

ardo

us m

ater

ial s

tora

ge w

ithin

50m

of

a w

ater

way

.

Rem

ove

cont

amin

ated

slu

dge

to r

egis

tere

d la

ndfil

l

Trea

t con

tam

inat

ed w

ater

app

ropr

iate

ly

Con

trac

tor

/ S

uppl

ier

requ

ired

to c

lean

up

any

spill

s im

med

iate

ly

Bun

ded

stor

age

of h

azar

dous

mat

eria

ls

Sec

ure

stor

age

of fu

els

Insp

ect f

acili

ties

wee

kly

Insp

ect r

isk

activ

ities

w

eekl

y

Rep

ort M

onth

ly

Use

spi

ll ki

ts O

n-si

te

Ale

rt e

mer

genc

y re

spon

se fo

r oi

l spi

lls /

po

llutio

n ho

tline

Pre

pare

and

follo

w a

S

pill

Res

pons

e P

lan

Det

erio

ratio

n of

air

qual

ity

Dus

t dis

char

ges

from

sto

ckpi

les,

ro

ads

or

tran

spor

ted

mat

eria

ls

Min

imis

e th

e ar

ea o

f ero

dibl

e su

rfac

es.

Enfo

rce

appr

opria

te v

ehic

le s

peed

s

Use

cov

ers

to s

ecur

e lo

ads

Trai

ning

of o

pera

tors

Use

of s

prin

kler

s an

d w

ater

truc

ks to

dam

pen

sour

ces

of d

ust

Insp

ect d

aily

Rep

ort m

onth

ly

Mon

itor

wea

ther

Add

ition

al u

se o

f w

ater

to d

ampe

n so

urce

s.

Rev

eget

ate

stoc

kpile

s te

mpo

raril

y be

twee

n us

e.

Min

imis

e ex

tent

of

stoc

kpile

are

as.

Det

erio

ratio

n of

air

qual

ity

Con

tam

inan

ts fr

om

cons

truc

tion

plan

t U

tilis

e m

oder

n co

nstr

uctio

n pl

ant i

n a

good

ope

ratin

g co

nditi

on

Res

tric

t Site

acc

ess

to a

utho

rised

veh

icle

s

Lim

it op

erat

ions

to c

erta

in a

reas

with

in th

e S

ite.

Insp

ect p

erio

dica

lly

Rep

ort m

onth

ly

Rep

lace

or

repa

ir ag

ing

plan

t.

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

27

Pot

entia

l Env

ironm

enta

l Ef

fect

C

ause

M

easu

res

to A

void

Eff

ects

M

onito

ring

and

repo

rtin

g

Con

tinge

ncy

Mea

sure

s

Det

erio

ratio

n of

air

qual

ity

Mat

eria

l fro

m

blas

ting

(fly

) U

nder

take

bla

stin

g on

ly in

acc

orda

nce

with

an

appr

oved

bl

astin

g pl

an p

repa

red

by a

sui

tabl

y qu

alifi

ed e

xper

t In

spec

t fol

low

ing

blas

t

Rep

ort m

onth

ly

Sto

p w

ork

until

ap

prop

riate

bla

stin

g pl

an p

repa

red.

Rem

ove

any

fly

mat

eria

l whe

re

appr

opria

te.

Noi

se p

ollu

tion

Equi

pmen

t in

poor

co

nditi

on.

Unu

sual

clim

atic

co

nditi

ons

Mai

ntai

n al

l equ

ipm

ent i

n a

good

con

ditio

n

Und

erta

ke n

uisa

nce

nois

e op

erat

ions

dur

ing

norm

al w

orki

ng

hour

s.

Ensu

re o

pera

tors

are

ade

quat

ely

trai

ned.

Inst

all n

oise

sup

pres

sion

equ

ipm

ent w

here

pos

sibl

e.

Insp

ect p

erio

dica

lly

Rep

ort m

onth

ly

Cea

se w

orks

unt

il eq

uipm

ent r

epai

red

or

supp

ress

ed.

Allo

w fo

r cl

imat

ic

cond

ition

s to

impr

ove

befo

re w

orks

res

ume.

Loss

or

dam

age

to

ecol

ogic

ally

sen

sitiv

e or

si

gnifi

cant

veg

etat

ion

Exce

ssiv

e ea

rthw

orki

ng

Del

inea

te m

axim

um a

reas

of c

lear

ance

by

pegg

ing.

See

k ap

prov

al fr

om a

ppro

pria

te m

anag

er a

nd w

here

ne

cess

ary

tech

nica

l exp

ert e

colo

gist

prio

r to

com

men

cing

cl

eara

nce

Mai

ntai

n aw

aren

ess

of s

igni

fican

t veg

etat

ion

area

s

Ensu

re o

pera

tors

are

ade

quat

ely

trai

ned.

Rev

eget

atio

n or

enh

ance

men

t of o

ther

hab

itats

to m

itiga

te

clea

ranc

e

Insp

ect a

s ne

cess

ary,

pr

ior

to e

arth

wor

ks

Rep

ort m

onth

ly

Rev

eget

ate

clea

red

area

s

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

28

Pot

entia

l Env

ironm

enta

l Ef

fect

C

ause

M

easu

res

to A

void

Eff

ects

M

onito

ring

and

repo

rtin

g

Con

tinge

ncy

Mea

sure

s

Wee

d in

fest

atio

ns

See

ds a

nd o

ther

m

ater

ial c

apab

le o

f ge

rmin

atin

g br

ough

t to

Site

fr

om d

irty

equi

pmen

t

Ensu

re a

ll m

achi

nery

is c

lean

bef

ore

com

ing

onto

Site

.

Veh

icle

insp

ectio

n to

be

unde

rtak

en p

rior

to e

nter

ing

Site

.

Any

pla

nt b

eing

rel

ocat

ed fr

om th

e S

outh

Isla

nd s

hall

be

chec

ked

and

trea

ted

for

didy

mo.

Wee

ding

/ s

pray

ing

whe

re a

ppro

pria

te

Pre

pare

and

follo

w a

Wee

d H

ygie

ne a

nd S

urve

illan

ce P

lan

Insp

ect p

erio

dica

lly

Rep

ort m

onth

ly

Mon

itor

ongo

ing

Trea

tmen

t with

ap

prop

riate

wee

dkill

er

Wee

d in

fest

atio

ns

See

ds a

nd o

ther

m

ater

ial c

apab

le o

f ge

rmin

atin

g br

ough

t to

Site

w

ithin

rev

eget

atio

n se

ed m

ixes

Use

spe

cifie

d an

d ce

rtifi

ed s

eed

mix

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9. Erosion and Sediment Control Measures

Exposure of soil during the construction process and the formation of topsoil and weathered rock stockpiles, means that there is potential for an increase in erosion and sediment discharges, including airborne dust. Accordingly, erosion and sediment control measures will form integral components of the construction process for the CHWF, with appropriate planning and adoption of control measures for all earthworks to minimise the effect on the receiving environment. The minimisation of erosion is the most effective way of reducing sediment discharges. Earthworks activities associated with the construction process will be kept to the minimum area necessary, and exposed surfaces will be stabilised until the Site is appropriately revegetated. The following general objectives underpin erosion control at the CHWF:

• Minimising the area disturbed by construction activities.

• Progressively completing construction activities on a stage-by-stage basis.

• Revegetating and rehabilitating areas disturbed as soon as possible after earthworks have been completed.

• Stabilising material storage areas for future use.

In addition, the potential effects associated with earthworks activities can be prevented and minimised with the following guiding principles:

• Maintain separation of earthworks from watercourses.

• Divert clean surface runoff away from areas of earthworks or soil stockpiles.

• Reduce the energy of surface flows in areas of potential erosion.

• Allow for the passage of extreme flows and protect against blockage of infrastructure.

• Provide containment for sediment entrained in surface flows.

• Treat sediment laden water leaving the construction site.

• Promptly stabilise or revegetate disturbed areas.

• Monitoring to ensure erosion and sediment controls are operating effectively.

A range of erosion and sediment control measures will be implemented as part of the construction process associated with CHWF. These measures will be contained within relevant ESCPs and are summarised below. The ESCPs will set out measures to avoid and minimise potential impacts of construction works on soils and waterways at the Site, and will be prepared for each phase of development and submitted to Council prior to construction.


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A draft example of an ESCP identifying the purpose, objectives and content of the ESCP(s) is provided in Appendix F.

9.1 Erosion Control Measures

A summary of erosion control measures are set out below. These will be implemented in combination with sediment control measures set out in section 9.2. 9.1.1 Clean Water Diversion Bund A clean water diversion bund is used to divert clean surface flows away from unstabilised soils. Bunds are set up around the uphill perimeter of the active works area, constructed of compacted earth and then stabilised. Existing turf from the active works area should be used to line the constructed bund where appropriate. 9.1.2 Contour Drains Contour drains consist of a temporary bund or channel cut across the face of the active works area to collect runoff and provide a low velocity pathway to either a sediment control device or a collector drain. Contour drains should be installed at the end of every day, or when the site is about to be shut down due to impending inclement weather. 9.1.3 Collector Drains Collector drains consist of a channel cut into the active works area to collect flow from contour drains and discharge the flow into a sediment control device. These cut channels are a semi permanent feature, so they must be located along a suitable path. Check dams and reinforcement may be required under certain circumstances. 9.1.4 Rock Check Dams Rock dams are placed across steep clean water diversions or collector drains to slow the water velocity where it exceeds the erosive limit of the soil. 9.1.5 Channel Reinforcement Channel reinforcement consists of lining clean water diversions or collector drains with rock, geotextile, or other reinforcement material. 9.1.6 Benched Slopes Benched slopes involve a reverse slope bench cut into steep and high batters to prevent stormwater concentrating into erosive rills. Reverse benches are expected to require a drop pipe to convey the runoff down the subsequent cut slopes.


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9.1.7 Drop Pipes Drop pipes are temporary structures used to convey runoff from a channel or other type of collection point down a steep slope without requiring an overland flow. The entrance to the pipe is flared and constructed of compacted earth reinforced with geotextile. 9.1.8 Flow Dispersal Outlets Flow dispersal outlets are connected to a section of drainage coil or pipe that has had slots cut into it fixed perpendicular to the slope in order to promote broad sheet flow rather than a concentrated flow. This is suitable where flow is being discharged away from a watercourse. The dispersal device must be laid flat and perpendicular to slope so that flow will exit from the full length of pipe rather than concentrated at one point. 9.1.9 Rip-rap reinforced Outlets A basin, wingwall, or other suitable structure based on existing relief to prevent scour and erosion at and around outlets. This is suitable where flow is being discharged to a watercourse. Depending on the situation, armouring of the opposite side and/or downstream channel of the stream bank may also be required. 9.1.10 Stream Flow Diversion A stream flow diversion diverts perennial water flows around a works area that is located in a watercourse.

9.2 Sediment Control

In combination with the erosion control measures set out above, a suite of sediment control measures are proposed for the CHWF Site. A summary of sediment control measures are set out below. 9.2.1 Silt Fences Silt fences are a barrier device comprising a geotextile fence used to intercept sediment laden runoff from areas that are either unable to drain to, or are of a size that does not warrant a communal sediment control device. Silt fences will be installed on a contour and service catchment area’s below 0.5 ha as required. 9.2.2 Super Silt Fences Super silt fences are the same as for silt fences but include chain link and tensioned wire for reinforcement of the geotextile. The fence is reinforced with chain link at 400mm and 800mm above ground, comprising a double layer of geotextile from 400mm above ground


34

to 200mm below ground. Super silt fences will be used to service catchments larger than 0.5ha where no other sediment control method is suitable. 9.2.3 Sediment Control Ponds Sediment control ponds are a temporary pond with storage volume and outlet structure designed to provide sufficient settling time for sediment to settle out for a range of events up to the design storm. Ponds require maintenance by way of excavation when 20% of total volume is lost to accumulated sediments. A level spreader will be used between the forebay and the pond to ensure infows do not cause sediment re-suspension. Pond catchments should generally be limited to less than 3 ha in area. 9.2.4 Sediment Control Ponds with Flocculation Same as for sediment control ponds, but include a flocculation dosing system to aid the settlement of suspended solids. Bench scale tests will be undertaken to determine the suitability of flocculation systems, and if suitable, appropriate dosing rates. Dosing systems include batch dosing, rainfall activated liquid dosing, and flow activated dosing. Flocculants can be toxic to fauna, so stringent care will be taken to establish and operate correct dosing regimes that ensure residual levels are safe in the environment. Flocculation pond catchments should generally be limited to an area less than 5 ha. 9.2.5 Decanting Earth Bunds A Decanting Earth Bund is a compacted earth bund established to created an impoundment area where runoff can pond and allow sediment to settle out. This is similar to a sediment control pond but with a different outlet type and without a forebay. Catchments should generally be limited to less than 0.3 ha and bunds will be excavated when 20% of total volume lost to accumulated sediments. 9.2.6 Improved Decanting Earth Bund Same as Decanting Earth Bund but with improved inlet and outlet systems as used by sediment control ponds. A level spreader will be used at the inlet to the bund to ensure inflows do not cause sediment re-suspension. Improved bund catchments will be limited to less than 1.5 ha and bunds should be excavated when 20% of total volume lost to accumulated sediments. 9.2.7 Wheel Wash Stations A wheel wash station is a flooded basin lined with agitators to remove sediments accumulated on the wheels of trucks prior to them exiting the Site. Daily flushing of basins will occur, with effluent being discharged into a sediment control device and any contaminants treated in an appropriate manner. Generally wheel wash stations will be at the Site exits onto a sealed road, and often used in conjunction with a stabilised entrance.


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9.3 Stabilisation or Surface Treatment Methods

Stabilisation and surface treatment methods will utilised at the CHWF. The use of these measures will be refined based on site specific requirements and On-site experience. A list of those methods that will be considered for use in the appropriate circumstances at the CHWF is set out below. 9.3.1 Surface Roughening Surface Roughening consists of track rolling to roughen a bare surface to slow the velocity of sheet flow, prevent runoff concentrating into erosive rills, and aid the establishment of vegetative cover. 9.3.2 Stabilised Construction Entrance A stabilised construction entrance is a stabilised pad of aggregate or asphalted to prevent erosion at a highly trafficked area, and to provide an opportunity for dust accumulated on the truck scrape to be vibrated off. The drainage from stabilised entrances will discharge to a sediment control device and contaminants treated in an appropriate manner. 9.3.3 Staging Works and Progressive Stabilisation Staging or sequencing of construction and progressive stabilization and rehabilitation is a function of construction planning. Staging requires work areas to be segmented into separate task areas that can be opened and then completed prior to moving onto successive areas. These completed areas will be stabilised as they were finished, resulting in the Site being progressively opened and then stabilised. This ensures that the minimum area of soils are exposed at any one time and also allows for high risk work to be planned over summer while lower risk work can be scheduled for winter works. 9.3.4 Top Soiling and Grass Sowing Spreading topsoil and sowing grass seed to permanently stabilise exposed areas will receive a minimum thickness of 100 mm topsoil (depending on available supply at the Site). 9.3.5 Mulching Mulching involves spreading straw or other suitable materials to protect exposed surfaces from erosion and to promote establishment of vegetative cover. A sufficient quantity of mulch needs to be applied to form a protective layer over the exposed surface. Mulching will be used as temporary measure at the Site or will be used in conjunction with top soiling and grass sowing for permanent stabilisation.


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9.3.6 Geotextile Geotextiles (woven or other artificial but non-degradable geotextile) will be used for the protection of exposed areas. The type, thickness, strength and hydraulic performance of the geotextile used depend on the situation and purpose of use. Common uses include lining steep channels, providing removable stabilisation overnight or during inclement weather, and lining excavations prior to placement of riprap or aggregate. 9.3.7 Biodegradable Fibre Matting Biodegradable Fibre Matting is used to protect exposed areas and to promote establishment of vegetative cover, often to stabilise topsoil and grass sown on steeper slopes. 9.3.8 Hydroseeding Hydroseeding activities will apply a mixture of grass seed, fertiliser and a binding agent (usually wood or paper pulp) sprayed onto steep or otherwise critical exposed areas. 9.3.9 Tackifier enhanced Mulching or Hydroseeding Tackifiers are polymers which are added to hydroseeding pulp to improve immediate erosion protection and to aid adhesion to exposed surfaces. These tackifiers are often also used as flocculants in sediment control ponds. Any restriction on the use of tackifiers will be considered before application. 9.3.10 Spray Concrete Spray concrete is a high cement content grout which is applied to immediately stabilise and reinforce steep slopes and other critical areas. This will be used to stabilise loose rock on steep batters adjacent to roads and bridge abutments.

9.4 Maintenance of Erosion and Sediment Control Measures

Ongoing maintenance of erosion and sediment control structures is necessary to ensure that they remain fit for purpose and functional in a wet weather event. Such devices will be inspected as part of the supervision duties undertaken by responsible parties and maintained in working order whilst they are required. Inspections shall occur prior to, during and after prolonged periods of heavy rain, as appropriate. Any defects will be promptly rectified. Intensive monitoring and maintenance will be required to optimise and maintain erosion and sediment controls during construction. This will include:

• Maintaining access to ponds and decanting earth bunds following wet weather;


37

• Cleaning out ponds and decanting earth bunds following heavy rainfall and high sediment load events;

• Signposting ponds and decanting earth bunds to identify them;

• Maintaining open communications and cooperation with Council appointed compliance staff;

• Maintaining electronic records of device condition (including photos and inspection records);

• Providing as built drawings of key ponds and decanting earth bunds and their catchment areas; and

• Monitoring occurrences of and managing stock interference with erosion and sediment control measures.

In addition to specific measures, topsoil that is to be used in revegetation will be stockpiled away from drainage lines and watercourses. These areas will be managed to minimise erosion with surface stabilisation to prevent wind erosion.

9.5 Removal of Erosion and Sediment Control Measures

Erosion and sediment control measures will be monitored and maintained as set out in the EMP and ESCP(s). When the use of control measures is determined to no longer be necessary (construction activities are completed and reinstatement and revegetation of the disturbed area implemented), Council will be advised that the area has been adequately stabilised and that risks from erosion are low. For clarity, removal shall only be considered when the area in question is inherently resistant to erosion or rendered resistant. In terms of revegetation by way of grassing or hydroseeding, inherent resistance is determined to be when ground cover is in excess of 80%.


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10. Water Management

General drainage works may be required across the Site to manage any seepages during the earthworks activities. Surface discharges from seepages and any springs that are covered by construction earthworks (e.g. Excess Fill Areas) will be diverted beneath the fill to discharge at a suitable downslope location. This will be achieved by installing under-drainage beneath the fill areas where appropriate Open excavations (for example Turbine Foundations) may collect either ground or rain water. If this occurs, the excavation will be dewatered, most likely by pumping. Discharges generated by this will be treated in accordance with the ESCP(s) and Drainage Management Plan (DMP). Some Internal Roads, Central Laydown Areas, turbines, Excess Fill Sites or other site elements have been sited over an existing On-site pond. Where this occurs the ponds are usually relatively small locally constructed retention areas used by farmers and do not hold large volumes of water, or similarly small natural depressions where water has been allowed to accumulate. If required, ponds will be de-watered in a controlled manner and if appropriate, treated in accordance with the ESCP and DMP. It is not expected that this practice will be necessary at many sites. In addition to the ESCP (Appendix F), a draft example of the DMP is also provided in Appendix K. This sets out the purpose, objectives and content for the DMP.

10.1 Quarry Water Management

It is estimated that 0.24 m3 of water will be required for each 1m3 of gravel in the crushing process. Once the gravel aggregate has been sorted it will be transported to the Concrete Batching Plant for concrete production or it will be stockpiled for use in road formation. Detailed water management measures for quarries and aggregate processing will be established and set out in detail in Quarry Management Plan (QMP) located in Appendix H. Typical arrangements will include:

• Quarries will be surrounded by a cut-off nib or bund, and will drain to a multi stage settling pond.

• Recycled water will be drawn off from this.

• Excess clean water will discharge in a controlled manner onto grass slopes.

• Sludge in settlement ponds is likely to contain a very low level of contaminants. This will be tested during construction in accordance with the agreed monitoring approach. Un-contaminated sludge (essentially silt and clay) will be included in Excess Fill Areas.


39

• Any contaminated sludge will be removed off site to a landfill.

10.2 Concrete Batching Water Management

General water management measures for concrete batching plants will include:

• Full management of sediment and erosion potential in accordance with the ESCP.

• Isolation and capture of runoff from activity areas (cement silo, concrete batching, load-out, wash-pits, sludge drying and waste concrete) into settling ponds for recycling.

• Water will be recycled for concrete manufacture and washing the inside of the truck bowls when it is available.

• Where storage for flows from within the activity area is full, treatment is provided.

• Stormwater from non activity areas will be collected and treated prior to discharge.

An outline Concrete Batching Plant Management Plan (CBMP) is provided in Appendix I.

10.3 Water Quality Monitoring

Water quality will be managed through a monitoring plan comprising a Baseline Aquatic Monitoring Plan (BAMP) which will establish a baseline of receiving water quality at reference sites prior to construction both during dry periods and in response to rainfall events. A Construction Aquatic Monitoring Plan (CAMP) will also be used to establish water quality at reference sites during construction and monitor water discharged from representative sediment control ponds. This will enable the performance of management measures against environmental and operational objectives to be evaluated. Detailed information will be set out in the BAMP (Appendix J) and CAMP (Appendix K).

10.4 Wastewater Management

Toilet facilities will be provided On-site, with holding tanks or septic tanks utilised. Sewerage will be removed from Site and disposed of at a registered waste treatment facility. Wastes generated from wash-down activities will be collected and disposed of appropriately.


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11. Site Rehabilitation and Reinstatement

11.1 Overview

The construction of the CHWF will be progressive in nature and post construction reinstatement of all disturbed areas will also occur in a progressive manner, and in accordance with the measures proposed within this EMP and relevant SEMPs. This sequential reinstatement process will occur from upstream areas moving through to downstream areas. The reinstatement process will ensure that all areas, including any earthworks batters, internal roads, channels and sedimentation ponds are appropriately stabilised before the Contractor demobilises from that particular area within the Site. Reinstatement and revegetation will focus on providing a stable landform and vegetative cover promptly after the infrastructure is no longer required, or when the earthworks activity is complete. Once construction activity is completed in a particular cluster or area, the following activities shall be undertaken:

• All building and construction materials shall be removed from the Site and disposed at a licensed facility.

• Temporary facilities such as contractor compounds, concrete batching plants and erosion and sediment controls shall be removed from Site

• Reinstatement will involve the stabilisation and rehabilitation of disturbed areas by ripping, top soiling, and revegetating the area.

• Follow up maintenance will be undertaken until the area is satisfactorily stabilised and restored.

• The appropriate Council shall be notified.

Retention of topsoil for use in rehabilitation will form an integral component of the rehabilitation process. In all areas of excavation, topsoil will be removed and stockpiled for later use in the rehabilitation and revegetation of disturbed areas.

11.2 Revegetation

The objective of revegetation and rehabilitation will (apart from where there are non-vegetated solutions proposed) be to replace vegetation as like-for-like. To assist vegetation establishment, stock will be excluded from recently established grass and indigenous plantings, with measures for control of pest animals and weeds undertaken to improve establishment success. The control of pest animals and weeds will be provided for within the Revegetation Plan (Appendix L) and within other relevant Biodiversity Management SEMPs such as the Weed Hygiene and Surveillance Plan (Appendix M). A combination of methods may be utilised and are identified within this section.


41

11.2.1 Hydroseeding Hydroseeding will comprise the application of a mixture of grass seed, fertiliser and a binding agent (usually wood or paper pulp) sprayed onto steep or otherwise critical exposed areas. Surface roughening exposed areas will aid vegetation establishment in hydroseeded areas. Because hydroseeding does not retain moisture as well as topsoil, grass seed and mulching, the timing of spraying important. The benefits of hydroseeding are that it offers a solution to revegetate difficult terrain which cannot be established by using normal methods. It is anticipated that the seed mix to be used in hydroseeding will include perennial ryegrass, brown top and clover. The seed mix must be free of weed seeds and will take account of the preferences and recommendations of CHWF landowners. Due to the steepness of the areas proposed for hydroseeding, Genesis Energy will require that a uniform hydroseeded cover is provided. Areas being hydroseeded shall be inspected six to eight weeks after the application and any areas that have failed to establish shall be retreated until in excess of 80% cover is achieved and the area is deemed to be inherently resistant to erosion 11.2.2 Direct Drilling Direct drilling is a method of establishing pasture cover over large areas where suitable contour allows for machinery to manoeuvre. In areas that are to be direct drilled, preparation may include light cultivation and rolling to assist in pasture establishment. In areas capable of being direct drilled, the expectation is that the area can be fully reestablished into pasture cover (100% cover). Depending on the prevailing climatic conditions, the normal timeframes to observe successful establishment of vegetative cover is approximately six weeks. All areas will be reviewed six to eight weeks after direct drilling to determine the overall success of the established pasture and to enable resowing to occur in areas which have not successfully established. A range of species will be used for revegetating the Site, with pasture grasses including perennial ryegrass, brown top and clover where appropriate. 11.2.3 Fascining Fascining involves the laying of seed-bearing slash or mulch branches with viable seed that has been harvested from plants and placed across the slope to retain sediment. Often this needs to be held in place with stakes or biodegradable netting. Seed contained on the material germinates under the protective leaf mulch and establishes. The species likely to be used for fascining activities at the CHWF Site are manuka and kanuka. Seasonal considerations are necessary to ensure foliage collected contains viable seed.


42

11.2.4 Direct Planting Direct planting will use plants that are naturally found in the project area and are suited to the Site. In order to reinstate or provide establishment phase indigenous vegetation cover, species such as kanuka, toetoe, manuka, karamu, ti kouka, piripiri and coprosma will be used initially. Secondary phase indigenous species will be planted (known as enrichment) in the appropriate areas once the initial canopy cover has been established. Slow release fertiliser and water crystals will be used where necessary to assist vegetation establishment. The areas proposed to be revegetated will be determined and set out in the relevant SEMP, with appropriate species, the composition of the planting mix, plant spacing, plant sizes and maintenance requirements. 11.2.5 Natural Revegatation Natural Revegetation relies on the existing seed bank within soils and surrounding vegetation to naturally establish or colonise areas. Natural revegetation of areas can be enhanced when topsoil is collected from an area with a significant seed bank and spread to an area identified for revegetation (e.g. not stockpiled). 11.2.6 Maintenance of Revegetated Areas Ongoing maintenance in the form of pest and weed control, replacement of vegetation which has failed to establish, and fencing will be determined for specific sites and set out in the relevant SEMP. Secure fencing or alternative protection will be necessary to prevent vegetation being eaten by stock and to allow native plants to grow and or regenerate. Options for control of goats and deer are being considered as part of a wider control effort within the CHWF properties; however pests such as possums, hares and rabbits can cause considerable damage to establishing vegetation and will require more focused control until vegetation has established. Weed control will also be undertaken in order to reduce competition from weeds for the first 3 years following planting / sowing. Weeds will be suppressed by use of an appropriate mulch or herbicide. 11.2.7 Stock Access and Farm Management Construction activities will at times conflict with normal farm and stock management operations within the CHWF, expecting the need to remove fencing and other containment measures in order to undertake earthworks. These aspects of the project will be managed in consultation with individual farm managers and CHWF Landowners. In order to provide for stock containment, stock will be moved to secure paddocks and fencing will be reinstated as soon as practicable.


43

12. Air Quality

Various activities associated with the construction of the CHWF are expected to result in the creation and discharge of dust into the air. The effects are expected to be less than minor; however management measures will be employed as necessary. Management of the effects caused by dust discharges will be covered in the ESCP(s).

12.1 Dust Control

To manage dust emissions from the CHWF Site during construction the following measures will be implemented as appropriate:

• Temporary sealing of roads at key areas.

• Full compliance with the EMP and ESCP (Appendix F) and other relevant management plans

• Temporary water application to suppress dust in certain areas or conditions

• Use of cement silos and aggregate bins to avoid aeolian dust.

• Provision of wheel washing facilities (where appropriate)

• Hydroseeding and other revegetation techniques will be applied to earthworks sites as quickly as possible post excavation.

• Earthworks sites will be limited to areas of immediate construction.

• Restriction of traffic speeds.

• Vehicle tailgates will be properly sealed.

In addition, all stockpiles will be covered or stabilised to avoid loss of material during high wind events and where practicable, placed in areas sheltered from the wind. Where a significant amount of material is lost, a review of storage procedures will be undertaken to avoid reoccurrence of the event.

12.2 Machinery and Vehicle Condition

Vehicles and machinery are one possible source of air contamination. All construction machinery and vehicles operating on the CHWF Site will be in a good state of repair and be well maintained throughout the project.


44

13. Construction Noise Management

The assessment of construction noise for the CHWF elements identified that the construction of the CHWF would readily comply with New Zealand Standard 6803:1999 – Acoustics -Construction Noise. It was noted that during construction of roads, and in the operation of construction vehicles over these roads there is potential to produce noise levels which approach the limits of acceptability for construction noise. In order to ensure compliance within the noise limits, and to address noise issues which may arise upon commencement of construction a Construction Noise Management Plan (CNMP) shall be prepared and implemented. The CNMP describes the manner in which noise effects will be controlled to comply with the construction noise standard (except where appropriate forms of mitigation have been provided), and to minimise noise effects on residents and other noise sensitive activities near the Site. This CNMP includes a procedure for responding to noise complaints. An outline CNMP is located in Appendix N.

13.1 Controlled Blasting

It is anticipated that the excavation work will be able to be undertaken entirely using excavators and dozers with ripping attachments. However, it is possible that harder material is encountered and that it may be necessary to undertake controlled blasting operations to assist excavation activities. Controlled blasting involves the breaking up of larger rock into smaller, more manageable pieces. Rock drilling to plant the explosives is undertaken. Any requirement for controlled blasting will be documented formally by the contractor in a request to the Project Manager and Project Environmental Manager (or others as necessary). The request will contain the following information:

• Name and qualifications of the responsible person(s)

• Current Approved Handlers Certification of the responsible person(s)

• Location of the area proposed for the discharge of the explosives

• Information on the method and explosive to be used and the depth and spacing of the charges.

• The procedure for site clearance and post blast reoccupation

• Storage and handling of explosives.

• Occupational health and safety requirements

• Noise monitoring requirements.


45

14. Traffic and Transport Management

A Construction Traffic Management Plan (CTMP) is proposed to manage all construction traffic associated with the development of the CHWF. In advance of the CTMP being prepared, a Construction Traffic Management Framework (CTMF) has been prepared and is provided as Appendix O. This CTMF establishes the purpose, objectives, and process for development of the CTMP. It specifies the minimum content for the CTMP and the deliverable expectations to be met. The consultative and approval requirements for the plan provide an assurance about the management, control and delivery of the proposal.


46

15. Concrete Batching Plant Management

Up to four Concrete Batching Plant locations have been proposed On-site for the CHWF project. The plants would be re-locatable with one or two locations concurrently operational at any one time. Concrete Batching Plants may also be located next to water sources Off-site. A Concrete Batching Plant will consist of a concrete mixer, cement bins, sand and aggregate stockpiles, water storage tanks and storage areas for equipment and tools. Sufficient area is required for the use of front end loaders, delivery of materials and entry and exit of agitator trucks. The Concrete Batching Plants will be approximately 5,600 m2 in size. Environmental management measures for the Concrete Batching Plant will be agreed in a specific Concrete Batching Plant Management Plan (CBMP) (see Appendix I).


47

16. Management of Quarries and Crushing Facilities

Potential gravel sources for concrete production and for construction of roads and other hardstanding areas have been identified both On-site and Off-site. In order to use the gravel, it will need to be quarried or excavated from the gravel source site. An indicative quarry layout can be found in the Quarry Management Plan (QMP) located in Appendix H. The typical process for quarrying materials is as follows:

• Erosion and sediment controls will be established in accordance with the ESCP and QMP.

• Topsoil will be removed and stockpiled for use in rehabilitation,

• Overburden will be removed to On-site Excess Fill Areas

• Gravel resources will be excavated using earthmoving equipment. If hard material is encountered controlled blasting may be necessary under strict management.

• Gravel will be loaded into an adjacent crushing / screening facility.

• When the gravel deposit is exhausted, or gravel from that particular quarry is no longer required the quarry site will be rehabilitated. This may include the use of the quarry to deposit excess fill.


48

17. Archaeological and Heritage Management

At the time of consent, no archaeological sites were known to be present and it was considered unlikely that any unrecorded sites would be exposed during construction at the CHWF Site. However, it is possible that items of archaeological interest may be discovered as a result of exposing sub surface layers. To address the potential for discovery items of archaeological interest, a comprehensive Accidental Discovery Protocol will be developed in consultation with the tangata whenua. This Accidental Discovery Protocol (ADP) will ensure that if koiwi tangata (human remains), taonga or sub-surface archaeological evidence is uncovered during construction, work would cease in the immediate vicinity of the remains so that appropriate action can be taken. Should an archaeological site be identified (through the CHWF construction process) and the modification of such a site become necessary, an ‘Authority to modify an archaeological site’ shall be applied for under Section 11 of the Historic Places Act 1993. No further work shall be carried out that will affect the site until the appropriate permissions are granted. This is in accordance with legal requirements. In addition, the tangata whenua shall be consulted regarding the effects on Maori cultural values. All Contractors working on the Site will be required to go through a Site induction process, which will include training on the accidental discovery of cultural or archaeological sites or material A Draft Archaeological Accidental Discovery Protocol is provided in Appendix P.


49

18. Biodiversity Management

The approach to biodiversity management at the CHWF Site encompasses a comprehensive suite of measures that address effects to vegetation, habitats, flora, and fauna through construction and operation of the wind farm. These are set out in a number of SEMPs, each of which is summarised below and include for the mitigation of operational effects.

18.1 Revegetation Plan

A Revegetation Plan will be prepared to ensure that rapid reinstatement of vegetation cover following on from earthworks. The overall objective of this plan will be to ensure that vegetative cover (or alternative protective measures) is established within 3-6 months of the completion of Site works. An outline of the Revegetation Plan is provided in Appendix L.

18.2 Habitat Management Plan(s)

A Habitat Management Plan will be prepared for the CHWF, to enhance areas of indigenous vegetation and habitat to improve the overall quality and productivity of that habitat. This shall address matters such as legal and physical protection by covenant and fencing, enrichment planting, revegetation planting (if required), natural regeneration, pest control, and monitoring and reporting. It will guide the permanent protection and ongoing improvement of an area of habitat approximately 210 ha in size, in a staged manner. An outline of the Habitat Management Plan is provided in Appendix Q.

18.3 Riparian Protection Plan

A Riparian Protection Plan will be prepared to guide the physical protection of stream riparian margins. It will establish the mechanism for the implementation of riparian protection is achieved in a staged manner as the wind farm is constructed. An outline of the Riparian Protection Plan is provided in Appendix R.

18.4 Weed Hygiene and Surveillance Plan

A Weed Hygiene and Surveillance Plan shall be prepared to promote good weed hygiene and a high standard of weed control at the CHWF Site. This will address matters such as transportation risks from vehicles or equipment and cover both terrestrial and aquatic pest species. The Weed Hygiene and Surveillance Plan is located in Appendix M and will require:


50

• All contractors to practice good weed hygiene, cleaning their equipment before entering the CHWF Site.

• Ensuring that aggregates, soil, sand other material brought onto the CHWF Site is weed-free.

• Ensuring that existing weeds present On-site do not have their spread exacerbated by On-site activities.

• Measures to reduce the likelihood of an accidental introduction to the extent practical.

• An annual weed monitoring programme.

• Control measures to address invasive species as a result of monitoring.

18.5 Goat Control Plan

As a component of the approach to managing pests across the Site, a Goat Control Plan will be prepared to provide a coordinated management approach to the control of feral goats across all properties associated with the CHWF with an aim to reduce goats to very low levels and eliminate goats over a period of 5 years. An outline Goat Control Plan is provided in Appendix S.

18.6 Avifauna Monitoring Plan

An Avifauna Monitoring Plan will be prepared to establish the baseline situation (building on monitoring already undertaken at the Site) and also provide for the monitoring, assessment and analysis of the impacts associated with the CHWF. The Avifauna Monitoring Plan shall establish a mechanism for assessment and review by relevant specialists in order to determine if any effects on avifauna have arisen as a result of the operation of the wind farm and the process and proposed measures that shall be implemented to manage such effects in an adaptive manner. An outline Avifauna Monitoring Plan is provided in Appendix T.

18.7 Bat Monitoring Plan

Long-tailed bats have been found within the CHWF Site. A Bat Monitoring Plan will be prepared to address the potential presence of bat roost sites within the construction footprint, the process for relocating bats should the removal of the roosts be deemed necessary (including seasonal and breeding considerations) and also measures to


51

determine collision risks, collision monitoring, and the process and proposed measures that shall be utilised to manage such effects in an adaptive manner. An outline Bat Monitoring Plan is provided in Appendix U.

18.8 Lizard Monitoring Plan

A Lizard Monitoring Plan will be prepared to provide a mechanism for managing potential effects on lizards. This will ensure that likely lizard habitat is identified and searched prior to construction and that lizards found during construction are handled correctly and if necessary, translocation to an area of appropriate adjacent habitat be made. Only lizards which are officially threatened will be the subject of translocation efforts. An outline Lizard Monitoring Plan is provided in Appendix V.

18.9 Predator Control Plan

Predator control will be undertaken at the CHWF to reduce ecological impacts arising from introduced predators at specific high value locations within the Site. An outline of the Predator Control Plan is provided in Appendix W.

18.10 Vegetation Management Plan

A detailed assessment of vegetation clearance requirements and mitigation has been performed and accounted for in the AEE. Included in this is the requirement for an amount of vegetation clearance/trimming to reduce flow effects on the wind turbines and to maintain transmission line clearances. Where trees will be felled, this activity will be performed by suitably qualified tree felling contractor. An outline Vegetation Management Plan id provided in Appendix X.

18.11 Aquatic Monitoring Plans

In order to determine any effects from construction of the CHWF, a comprehensive management programme for avoiding or mitigating effects on in-stream values is proposed. This comprises a Baseline Aquatic Monitoring Plan (BAMP) and a Construction Aquatic Monitoring Plan (CAMP).


52

The BAMP will be developed to collect pre-construction information on aquatic communities within the Site and will provide a comparison with subsequent monitoring during construction. The CAMP will then be developed, based on the BAMP, and will include compliance standards and measures to be implemented if standards are not met Any potential effects will be minimised by adopting best-practice erosion control measures during construction and prompt post-construction revegetation of disturbed sites according to the ESCP. It is expected that there will be a combination of culverts and small bridges required for the Internal Roads to cross watercourses. Conceptual designs for water crossings have been developed and will be implemented at watercourse crossing sites, to enable fish passage to be maintained, as discussed in the COMR. Fish located in areas of stream beds which are likely to become stranded or harmed by construction activities in and around the stream may be captured and released in a section of stream that will not be affected by construction activities. A Draft BAMP is provided in Appendix J and Draft CAMP provided in Appendix K.


53

19. Visual Mitigation

Genesis Energy intends will minimise the landscape and visual effects arising from the infrastructure at the CHWF by implementing the following:

• Siting Turbines within a defined Turbine Corridor which has been identified to have acceptable environmental effects.

• Colour turbines off-white to light grey colour using a low reflectivity paint to minimise visibility of turbines and reduce the potential for blade glint.

• Screen infrastructure (substations, buildings, etc) with appropriate vegetation to ‘soften’ built features in the landscape (where practicable).

• Use an appropriate colour palette for permanent buildings to assist in their integration into the landscape using colours recessive in nature, and appropriate within the rural environment

• Investigate and where appropriate, implement site specific landscape mitigation where it is considered that the occupants are likely to experience high visual effects from their dwelling area.

• Work with the CAA and qualified landscape architect to reduce the effects of light spillage (type, placement, colour) from turbines and other permanent facilities.

Once wind turbine positions are finalised the assessment of shadow flicker effects will be reassessed to confirm that predicted shadow flicker effects are less than the guidelines of no more than 30 hours per year and/or 30 minutes per day. Landscape mitigation shall be applied where high visual effects will be experienced from dwelling areas (where appropriate). Genesis Energy will minimise the landscape and visual effects arising from the earthworks of the CHWF by implementing the following:

• Briefing construction staff on the desired approach to minimise environmental impacts and proposed rehabilitation measures.

• Minimise extent of earthworks cuts and escarpments in road creation at final design.

• Minimise height of earthworks cuts and escarpments at final design where practicable.

• Engage a qualified landscape architect to assist in minimising visual impacts.

• Modify cut and fill to relate to the existing landform and natural features

• Store and reuse topsoil on finished earthworks to assist in revegetation.

• Revegetate areas on a like-for-like basis


54

20. Hazardous Material Management

A bulk storage facility (or facilities) shall be provided within a suitable location close to Site offices or active construction areas. Any facilities will not be located within 50m of a watercourse. The bulk storage facility will be used to provide fuel to service all the vehicles On-site, probably by way of mini tanker. Towable tankers may also be used in some circumstances. The bulk fuel tank will carry a significant capacity of diesel fuel. The tank will be double skinned – providing an additional layer of containment should the inner tank rupture. This tank shall be supplied and maintained by a specialist fuel supplier. Any towable tankers will be stored in the bunded facility when these are not in use. Spill kits will be carried in all fuel delivery vehicles (tanker trucks and towable tankers), and be located at the contractors compound, project Site office, substations and any other location deemed necessary. Any fuels for hand held equipment, oils, lubricants and other hazardous compounds will be stored in a secure facility within the contractor compound and O & M facility and in accordance with all relevant guidelines and regulations. The small quantities of these materials will be stored on bunded trays to prevent spillage. The following measures shall also be required:

• The Contractor will ensure that all personnel using hazardous substances are trained and qualified to do so.

• An incident report shall be prepared in the event of a spill/incident

• All unwanted materials and empty containers should be disposed of Off-site at an appropriate landfill

• The Contractor Project Manager (or delegate) shall review and retain copies of Material Safety Data Sheets (MSDS) which identify the specific requirements in relation to storage, use and disposal of hazardous substances.

20.1 Contaminated Land

Due to the agricultural setting of the CHWF, there is the possibility of encountering old offal pits, old sheep dip sites, rubbish pits, metals and other contaminants from historical pesticide/fertiliser use, spills of fuel or other from storage tanks, effluent pits, and asbestos in buried building materials. During the various investigations and consultation performed at the CHWF, no evidence of contaminated land of any type was identified.


55

Should contaminated land be encountered then an approach to management and containment will be developed in alignment with section 22.2 Discharges of Hazardous Materials and in consultation with the relevant council(s).

20.2 Waste Management

Covered and secure waste bins will be utilised at the Site. Both rubbish and recycling bins will be provided and they will be clearly marked and emptied regularly to avoid overflowing. The construction sites and work areas will be kept in a litter free condition. All waste material will be transported Off-site for disposal at an appropriately licensed disposal facility. There will be no On-site burial of waste material. Surplus material and used oils may be collected for recycling; otherwise such material will be disposed of at a registered facility. All vehicles involved in the transportation of waste should be well maintained and waste products on such vehicles will be well secured to avoid spills or loss. Contractors shall ensure that no litter or debris can be dispersed from any work site, Site plant or facilities. The dropping of litter On-site will be expressly prohibited and all people On-site will be made aware of this requirement.

20.3 Fire Management

The following potential ignition sources at the CHWF have been identified:

• Hot work (cutting and welding)

• Cigarette smoking and disposal of butts

• Catalytic converters on petrol driven vehicles when there is a possibility of contact with combustible material

• Ground engaging tools

The actions to be implemented to minimise the risk of fire and employ best practice with respect to fire management include:

• Appropriate signage will be utilised to warn of fire danger

• No fires will be allowed On-site unless in accordance with the Forest & Rural Fires Act 1977, District Council Regulations and Council Bylaws.

• No firearms will be allowed On-site without the authorisation of the Project Manager and Landowner. It is noted that firearms may be necessary to


56

implement some Biodiversity Management measures proposed for the CHWF Site.

• Provision of fire fighting equipment (operative fire extinguishers) on all Site vehicles and water reserves at construction sites.

• Access to the construction site will be by ‘controlled access’ only.

• The project manager and NZ Fire Service will be notified when high fire risk construction work is being carried out on Site.

• Dead end roads shall have turn around areas at least 25 metres in diameter to enable appliance access.

• Investigation into the cause of any fire outbreak and implementation of remedial actions to ensure no reoccurrence of the event will be required.

• Security staff will monitor and inspect all contractor compounds and areas under construction after work hours for fire outbreaks.


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21. Operations and Maintenance Environmental Management

The CHWF will be operational over an indefinite period. Activities On-site during the operational phase are of significantly lower intensity than during construction, therefore a detailed management approach for the operational phase requirements of the wind farm is not considered to be required at this stage.

21.1 Operational and Maintenance Activities

At the end of construction, works will be stabilised and structures completed or disestablished, and activities will be limited to those required for the long term operation of the wind-farm. Key operational activities are identified below.

• Wind farm operation – i.e. control and scheduling of electrical equipment, and dispatch of power.

• Repairs and maintenance activities:

o Turbine maintenance, e.g. regular servicing, including changes of oils, filters, firmware upgrades, inspections, component replacements

o Electrical balance of plant maintenance – e.g. electrical outages for transformer, switchgear, other plant servicing or upgrades

o Civil works– periodic repair of Internal Roads, buildings or laydown areas to accommodate natural deterioration or degradation

o Minor quarrying may be required for road/civil maintenance.

• Other O&M phase activities:

o Turbine performance testing

o Consent compliance testing and monitoring

o Other e.g. educational visits

Typical operations and maintenance activities, effects and management are identified in Table7 below.

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

58

Tabl

e 7:

Typ

ical

Ope

ratio

ns a

nd M

aint

enan

ce A

ctiv

ities

, Effe

cts

and

Man

agem

ent

Act

ivity

D

escr

iptio

n Ef

fect

s M

anag

emen

t m

easu

res

Nor

mal

win

d fa

rm

oper

atio

n O

pera

tion

of th

e w

ind

farm

to p

rodu

ce

elec

tric

al p

ower

for

expo

rt in

to th

e tr

ansm

issi

on n

etw

ork

Ope

ratio

n tim

es a

nd le

vel a

re m

ostly

de

term

ined

by

the

win

d sp

eed

and

dire

ctio

n,

how

ever

som

e co

ntro

l (e.

g. r

ampi

ng) m

ay

be im

plem

ente

d

Ope

ratio

n st

aff a

re li

kely

to c

omm

ute

to S

ite

from

nea

rby

tow

ns. S

taffi

ng le

vels

cou

ld b

e up

to 4

0 fu

ll tim

e eq

uiva

lent

per

sonn

el.

Cen

tral

poi

nt fo

r en

try/

exit

to S

ite a

nd

star

ting

and

finis

hing

day

for

staf

f will

be

at

the

oper

atio

ns a

nd m

aint

enan

ce

faci

lity/

faci

litie

s

Vis

ual e

ffect

s –

i.e. t

he v

isua

l im

pact

of t

he

win

d tu

rbin

es

Noi

se e

ffect

s –

nois

e em

issi

ons

thro

ugh

norm

al o

pera

tion

Traf

fic –

rou

ting

oper

atio

ns a

nd m

aint

enan

ce

staf

f tra

ffic.

Traf

fic -

driv

er d

istr

actio

n an

d tu

rbin

e vi

ewin

g

Ecol

ogy

– po

tent

ial b

ird o

r ba

t str

ike

Vis

ual e

ffect

s ha

ve b

een

dete

rmin

ed to

be

no m

ore

than

min

or

Ope

ratio

nal n

oise

effe

cts

will

be

addr

esse

d in

the

Ope

ratio

nal N

oise

Man

agem

ent P

lan

Traf

fic m

ovem

ents

ass

ocia

ted

with

the

norm

al o

pera

tion

of th

e w

ind

farm

are

not

ex

pect

ed to

be

sign

ifica

ntly

gre

ater

than

ba

selin

e le

vels

.

Pot

entia

l bird

str

ike

will

be

man

aged

thro

ugh

biod

iver

sity

man

agem

ent m

easu

res

incl

udin

g av

ifaun

a an

d ba

t mon

itorin

g pl

ans.

Win

d fa

rm o

utag

es

Entir

e w

ind

farm

is d

isco

nnec

ted

from

the

grid

for

maj

or tr

ansm

issi

on/e

lect

rical

or

othe

r ke

y pl

ant m

aint

enan

ce

Turb

ines

are

tem

pora

rily

not c

onne

cted

to

grid

and

are

par

ked

and

secu

red

safe

ly

Vis

ual –

tem

pora

ry c

hang

e to

nor

mal

ap

pear

ance

of t

urbi

nes

(e.g

. not

rot

atin

g)

Neg

ligib

le o

ther

effe

cts

expe

cted

Effe

ct is

neg

ligab

le a

nd fo

r re

lativ

ely

shor

t du

ratio

n (e

.g. <

1day

)

Dra

ft E

nviro

nmen

tal M

anag

emen

t Pla

n C

astle

Hill

Win

d Fa

rm

59

Act

ivity

D

escr

iptio

n Ef

fect

s M

anag

emen

t m

easu

res

Sch

edul

ed

mai

nten

ance

(t

urbi

ne)

Reg

ular

pre

vent

ativ

e m

aint

enan

ce o

n in

divi

dual

turb

ine(

s)

Typi

cally

turb

ine

is s

hut-

dow

n an

d a

team

of

serv

ice

tech

nici

ans

will

per

form

pre

defin

ed

activ

ities

in o

rder

to e

nsur

e th

e sa

fe a

nd

sust

aina

ble

oper

atio

n of

the

turb

ine

Ser

vice

per

iods

var

y, b

ut c

an b

e on

a 6

m

onth

inte

rval

Cou

ld in

volv

e m

ajor

com

pone

nt

repl

acem

ent

Uns

ched

uled

m

aint

enan

ce

(tur

bine

)

Res

pons

e to

faul

ts o

r m

echa

nica

l br

eakd

owns

in tu

rbin

es

Inte

rmitt

ent,

and

with

a g

ood

sche

dule

d-m

aint

enan

ce p

rogr

amm

e in

freq

uent

Cou

ld in

volv

e m

ajor

com

pone

nt

repl

acem

ent

Incr

ease

d po

tent

ial f

or h

azar

dous

was

te

(e.g

. oils

/gre

ases

)

Com

plia

nce

with

Site

env

ironm

enta

l m

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21.2 Transport Activities

Operational transport activities will involve limited day to day access by wind farm staff and contractors together with occasional delivery of supplies and components. There may also be times when major turbine component replacement is necessary. At these times, the level of activity and the duration of those activities will vary depending on the type of major component replacement. Transport requirements will include a requirement to import OW/OD loads, involve increased staffing and possible disruption to traffic. Civil maintenance of Internal Roads and Turbine Platforms are expected to require infrequent grading and restoration of roads and Turbine Platforms or their drainage systems to maintain the level of intensity required for normal operations activities. These activities will be intermittent, internalised and will be performed on a scheduled basis.

21.3 Wastewater Management

Toilet facilities will be provided On-site, with holding tanks or septic tanks utilised. Sewerage will be removed from Site and disposed of at a licensed waste treatment facility in accordance with the manufacturer’s recommendations and the level of utilisation.

21.4 Operational Noise Management

At all dwellings, the sound levels predicted from operational activities from the CHWF can comply with the limit recommended in NZS6808:2010. To ensure compliance is achieved, and to address noise issues which may arise upon commencement of the operation of the wind farm, the following measures are proposed:

• That noise emissions assessed by NZS6801, NZS6802 and NZS6808, will comply with limits in the District Plans and with those derived by the method in NZS6808:2010 as appropriate.

• The noise assessment presented in the AEE will be reviewed prior to the construction of the CHWF. This will include a recalculation of the CHWF sound output once the wind turbine selection has been determined and their operating parameters are known, and their siting location has been determined. The outcome of this will be the production of an Operational Noise Assessment Report, in which it shall be demonstrated that the noise limits of NZS6808 or of resource consent conditions will be met.

• The sound character of the selected turbines should also be assessed once the first turbines are installed and commissioned, to ensure that special audible characteristics are not present, and to allow the manufacturer to rectify any such problems before the remainder of the CHWF is constructed.


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• An Operational Noise Management Plan (ONMP) shall be produced, which shall include a description of the monitoring regime that will be employed to determine compliance with noise limits (including the location of monitoring points, duration of measurement, and requirements to report results), and procedures for handling noise complaints. An outline ONMP is provided in Appendix Y.

21.5 Wind Farm Decommissioning

It is expected that the CHWF will continue to operate with repairs, refurbishments and replacement indefinitely into the future. If circumstances arise that cause the CHWF to permanently cease operations, it will be decommissioned. If decommissioning is necessary in the future, a specific decommissioning plan will be prepared and the appropriate approvals will be sought from Council at the appropriate time.


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22. Incidents

All environmental incidents will be recorded and immediately reported to the Project Environmental Manager within 24 hours of the incident occurring. The Environmental Manager will determine the need and timing for reporting the incident to the Councils. The need for and timing of reports will depend on the seriousness of the incident, Where an incident or potential incident occurs that is likely to cause significant Off-Site effects on people or the environment a report shall be supplied to the Council detailing the relevant facts within 48 hours of the incident occurring. A further detailed report outlining investigations of the causes and identification of additional preventative measures shall be submitted to the Councils within 14 days of the incident. All personnel will be made familiar with the CHWF Contingency Response Plan (below), which identifies objectives and actions to be taken in the event of an environmental emergency. If a significant ecological, social or heritage event occurs as a result of any project activity, works in the immediate area will cease and the Project Environmental Manager will be advised. Consultation with Council will be initiated, experts or individuals will be engaged to assess the extent of the impact, and a plan for remedial action will be developed. Remedial work will be undertaken as required and may be subject to inspection from the Councils. The incidents register will be kept at the Site office. All personnel working On-site are required to report any incidents.

22.1 Incident Response Plan

If an environmental emergency or incident occurs On-site, prompt remedial action will be implemented. Once the situation is controlled and addressed, a review will be undertaken to assess the effectiveness of the remedial actions employed. The EMP will be updated to reflect the outcome of any reviews. Unforeseen events which may result in emergency action being undertaken include:

• Natural Hazards such as earthquake, flooding, extreme rainfall and wind events

• Pre-existing contamination sites

• Operational failures

• Equipment failures

• Ecological disturbances

• Vandalism


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The following sections discuss the potential incidents which may occur On-site and the expected response.

22.2 Discharges of Hazardous Materials

In the event of a spill or discharge from fuels, lubricants, and hazardous materials the following procedure should be followed:

• Evaluate the type of spill, the risks involved and the volume of material

• Stop all operations in the immediate area of concern and remove any ignition sources

• Ensure appropriate Protection Personal Equipment (PPE) is being used

• If appropriate, isolate the spill

• Contain the spill using a spill kit

• Report the incident to the Project Environmental Manager who will instigate the Incident response’ including:

o Notification of the Regional Council Pollution Hotline

o Notification of the Consents Manager(s) at the Council(s)

o Notification of the Compliance and Monitoring Officer(s) at the Council(s)

• Seek appropriate help

• Start cleaning the site

• Waste material will be sent to landfill

• Contaminated soil will be sent to the appropriate facility

• Replace any material used in the spill kit

• Review the cause and response procedures. Amend operational procedures as necessary.

A Spill Response Plan (SRP) has been provided in Appendix Z.

22.3 Sediment Control

Discharges of sediment may occur where there are failures of erosion and sediment control devices due to a significant or extreme weather event. In the event of a sediment discharge the following procedure should be followed:


65

• Identify the issue which is contributing to the discharge.

• Take all practicable steps to improve the quality of the discharge, including:

o Unblocking any sediment control devices

o Use an approved flocculant in accordance with the ESCP

o Increase detention time in sediment ponds where practicable

o Preventing discharge by blocking discharge outlets

o Determine measures to remove deposited sediments

• Undertake a review of the failure to identify any requirement for repair, replacement or redesign – such as:

o Increase size of sediment control devices

o Installing additional sediment control devices

o Increase diversion of clean water around exposed surfaces

o Mulch exposed surfaces

The Environmental Project Manager shall notify Council at the earliest possible convenience to advise of the incident and the proposed approach to mitigating the discharge should appropriate mitigating measures be appropriate or available. Where sediment discharges prevent the use of domestic water supplies, an alternative temporary water supply will be installed and maintained by Genesis Energy until the original supply is fit for purpose and consumption. This is likely to consist of providing a tank and tanker supply to the affected areas.

22.4 Fire

Equipment such as fires extinguishers and fire blankets will be located in the Site office and within all contractor vehicles. Water carts will be located On-site and will assist with extinguishing a fire. If a fire cannot be extinguished immediately, the Fire Service shall be contacted. The Project Manager and Environmental Project Manager will determine the safety of all persons and property in determining the immediate fire response. The New Zealand Fire Service will be provided with layout details of the wind farm, including access points, road network and the location of water sources.

22.5 Noise

Should noise generated from the CHWF and associated operations be the subject of complaint, the noise generating activity will be reviewed in accordance with relevant


66

standards by the Environmental Project Manager and Project Manager and a decision be made as to weather to stop that activity. A review will be undertaken to identify why the activity is considered to produce excessive noise and if there are practical options to reduce the noise generated or remediate the noise producing activity. Such options to be considered include:

• Undertaking the activity under alternative climatic conditions

• Undertaking the activity in an alternative location

• Reducing the number of activities being undertaken at any one time

• Using noise barriers to muffle sound

• Repair any damaged or faulty equipment generating the noise.

22.6 Air-borne Particles

Should particles such as dust, cement or other contaminants be identified, measures will be taken to eliminate the source. This will be achieved by applying water to the source of dust, covering loads or exposed areas. Once the situation is remedied, the incident will be investigated to determine how the situation can be avoided or mitigated going forward.


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23. Inspection, Monitoring and Auditing

The system for reviewing the environmental performance of the project activities will be based on regular inspections, audits and sound environmental monitoring programs. These aspects are discussed in more detail in the following sections.

23.1 Inspections

During construction, weekly inspections will be undertaken by the Contractor and Genesis Energy Environmental Project Manager to achieve fine scale monitoring of specific environmental aspects to ensure compliance with the EMP, SEMPs and the relevant resource consents. An indication of the environmental aspects requiring monitoring and the frequency of inspections are presented in Table 8 below. This list is not exhaustive and may be amended as specific environmental issues arise. In addition to the targeted inspections detailed below, the contractor will have the responsibility of identifying any non-compliance with the EMP and SEMPs.

Table 8: Environmental Inspections

Environmental Aspect Frequency (as appropriate)

Erosion and sediment controls – Ensure there are no significant erosion / sedimentation events caused by inadequate maintenance of soil / water control devices

As provided in the SEMP

Culverts – Ensure the culverts On-site remain free from debris and fish passage is not restricted

Weekly

Hazardous materials and waste – Ensure all hazardous material and waste stored and handled as per the EMP and the statutory requirements

Weekly

Roads – Road conditions meet required standards and ensure the safe transportation of required material On-site.

Weekly

Site remediation – Stabilisation and revegetation works are successful with no significant plant loss

Weekly

Biodiversity – Ensure the no-go zones are left undisturbed. Inspections will also look for signs of dieback due to dust or root compaction, weed infestations and plant disease.

As provided in the SEMPs

The effectiveness of the inspections will be reviewed and where necessary, the level, scope and timing of inspections will be improved through the life of the project to ensure the project achieves the required environmental performance.


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23.2 Monitoring

Genesis Energy has proposed a range of measures and environmental monitoring to appropriately address the potential adverse effects of the CHWF development. Management of the CHWF during both the construction and operation phases revolves around the establishment of this EMP and the associated SEMPs. In addition, Genesis Energy or its representative(s) will closely and regularly monitor the construction works. Work will require formal notice to proceed. This notice will not be issued to the contractor unless Genesis Energy is satisfied that appropriate, compliant measures to avoid potential adverse effects are either in place or shall be undertaken in accordance with the management plans, or if not practicable, planned to occur during the works.

23.3 Auditing

Auditing of performance is central to confirming that the environmental management measures proposed are implemented, effective and maintained. It is appreciated that Council representatives will have a role in monitoring and auditing the project so that it is proceeding in compliance with resource consents. In addition to Council monitoring and auditing (where Genesis Energy will work closely with the Council representatives), Genesis Energy will have its own audit procedures to ensure that the Contractor engaged to construct the CHWF is undertaking its work in consistency with Genesis Energy’s Environmental Values. The Project Environmental Manager will be the lead Genesis Energy representative to audit and inspect works to determine if the contractor is undertaking these in accordance with the EMP and SEMPs. The Genesis Energy Project Environmental Manager will also undertake periodic audits in response to complaints and incident management.

23.4 Non-compliances

A Non-compliance Report will be generated when:

• A complaint is received regarding any environmental impact or aspect caused by the project, provided initial investigations show the complaint is valid.

• A departure from approved or agreed environmental procedures is observed.

• A non-compliance is identified as a consequence of any self assessment, formal audit or other environmental survey or inspection.


69

Any individual working On-site may create a Non-compliance Report. If the non-compliance is considered to be a breach of the resource consent or legislative requirements the Councils will be notified. Non-compliances and corrective actions will be recorded and kept at the Site office and included in the weekly and monthly reports.


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24. Complaints and Enquiries

There are several ways the general public can register complaints about the environmental performance including:

• A dedicated public enquiry line

• Direct contact with Genesis Energy (0800 436 946)

• Direct contact with On-site staff or Project Manager

• CHWF Website by contacting [email protected]

Any complaints received will be recorded by the Project Environmental Manager in the Public Enquiry Record and registered with the Site Manager. The Record shall include the details of the complainant, date, nature of complaint, weather conditions at the time of the event (if relevant), corrective action and follow up with the complainant. The record will be kept at the Site office and included in the weekly and monthly reports. If a material complaint is received the Councils will be notified within 5 days.


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25. EMP Documentation

The following section describes the documentation required to implement and maintain the EMP. Genesis Energy will prepare a reporting template which will be issued to Council on a monthly basis during construction and as necessary during operation of the CHWF. In addition to the documentation described in the preceding sections, the following documents will be maintained in the Site office:

• EMP

• SEMPs

• Resource Consent documentation

• Training and induction records

• Any special permits or approvals required to undertake works On-site (e.g. blasting approvals)

25.1 Work Instructions

The main contractor will prepare Work Instructions where appropriate. Work Instructions will provide a high level of detail on the environmental aspects and obligations for a specific work package to guide the relevant personnel or sub-contractors. The scope of the work instruction will be dependent on the activity being undertaken, and will be prepared at the discretion of the Project Manager. Examples of environmental aspects requiring Work Instructions include the following:

• Clearing and internal road preparation

• Removal of, or works around sensitive ecology

• Excavations

• Weed control

• Traffic management

• Waste management

• Soil erosion

• Handling and storage of hazardous substances

• A copy of all Work Instructions will be maintained at the Site office.


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25.2 Inspection and Audit Reports

As outlined in Section 23 regular inspections and audits will be undertaken and documented. Inspection reports and associated environmental documentation will be available at the Site office. Subsequent details of corrective action and results will also be available.

25.3 Weekly and Monthly Reports

Weekly and monthly reports will be prepared by the contactor and be made available to relevant stakeholders. The contents of the reports would include at minimum:

• Monitoring undertaken

• Works undertaken in the work period

• Mitigating measures / management solutions implemented

• Environmental incidents report summaries

• Environmental statistics

• Environmental non-conformances

• Issues, actions

• Any audit reports during the period

A copy of the weekly and monthly reports will be maintained in the Site office. Regular reports will be provided by the contractor outlining details and performance of management solutions implemented during the reporting period, and also identifying any improvements or adaptations to the SEMP required to address any site-specific issues which arise.


Appendix A: CHWF Figures

Figure 1: Location Map Figure 2: Layout Overview Figure 3: External Roads Figure 4: Component Location Plan A1 Figure 5: Component Location Plan A2 Figure 6: Component Location Plan A3 Figure 7: Component Location Plan A4

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Pahiatua

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Eketahuna

Castlepoint

Wellington Region

Manawatu-Wanganui RegionTararua District

Masterton District

Palmerston North City

Makuri

Mataikona

Mauriceville

Figure 1: Location Map

"

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"

"

"

"

"

"

NAPIER

WANGANUIHASTINGS

MASTERTON

WELLINGTON

PALMERSTON NORTH

Figure 3: External Roads

Legend

CHWF SiteCouncil boundaryInternal Roads (indicative)

External RoadsOver-weight/Over-dimension routeAdditional construction traffic route

To Port of Napieron SH2

Port of Napier

0 3 6 91.5km W-CHL-TP-001

egend

Council BoundaryCHWF SiteTurbine CorridorTurbine Cluster (A-G)

" External Dwellings" CHWF Landowner Dwellings

Indicative Turbine Layout! 80M Turbine Layout

! 90M Turbine Layout

! 100L Turbine Layout


Indicative Internal Road Design80M Internal Road90M Internal Road100L Internal Road110L Internal RoadInternal Substation Access RoadInternal Transmission Line Access Road

_̂ Internal Road Water Course CrossingsTransport Route

Electrical Balance of PlantSubstationsOptional Switching Station

"J Electrical Switchgear Huts220kV Internal Transmission Line Towers220kV Internal Transmission LineOptional Internal Transmission Line Deviation33kV Overhead Internal Electrical Lines33kV Underground Interal Electrical Cables

Indicative Construction Areas

!(L Laydown Areas

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!(Q Quarry LocationsQuarry and Crushing FacExcess Fill Areas

!(W Water Take PointsWater Storage Areas

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Appendix B: Resource Consents held relating to the CHWF

[Resource Consents held in relation to the CHWF to be inserted when available]

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Appendix D: CHWF Project Enquiry Form

Date of Enquiry

Time of Enquiry

Name

Address

Phone Number

Nature of Enquiry

Weather Conditions On-site at the time of Enquiry

Enquiry Received by:

Proposed Action(s)

Date of Action:

Logged in Consultation Database


Appendix E: Site Contractor Acknowledgement Form

[Form to work in accordance with the Principles of the EMP and related documentation is to be prepared]


Appendix F: Erosion and Sediment Control Plan (ESCP)

DRAFT

Castle Hill Wind Farm Erosion and Sediment Control Plan

• Prepared for

Genesis Energy

• July 2010

P A T T L E D E L A M O R E P A R T N E R S L T D

C a s t l e H i l l W i n d F a r m E r o s i o n a n d S e d i m e n t C o n t r o l P l a n

Quality Control Sheet

T I T L E Castle Hill Wind Farm Erosion and Sediment Control PlanErosion and

Sediment Control Plan

C L I E N T Genesis Energy

V E R S I O N Draft

D A T E July 2011

J O B R E F E R E N C E A02337300

S O U R C E F I L E ( S ) A02337300R007 ESCP draftv1

DRAFT

Prepared by

S I G N A T U R E

H a y d e n E a s t o n

Directed, reviewed and approved by

S I G N A T U R E

A l a n P a t t l e

Limitations:

The report has been prepared for [Click here to type CLIENT], according to their instructions,for the particular objectives described in the report. The information contained in thereport should not be used by anyone else or for any other purposes.

A02337300R007 Erosion and Sediment Control Plan Draft v2 i



Executive Summary

An Executive Summary discussing the Erosion and Sediment Control Plan will be

provided.

DRAFT

A02337300R007 Erosion and Sediment Control Plan Draft v2 i i



Table of Contents

S E C T I O N P A G E

Executive Summary ii

1.0 Introduction 1

1.1 Purpose 1

1.2 Objectives 1

2.0 Design Philosophy and Principles 2

3.0 Planning Framework 2

DRAFT

4.0 Assessment of Risk 2

5.0 Overall Erosion and Sediment Control Approach3

5.1 Team Approach 3

5.2 Erosion and Sediment Control Device and Measures 3

5.3 Monitoring 4

5.4 Miscellaneous Activities 5

6.0 Specific Erosion and Sediment Control Methodology for each Turbine Cluster 5

6.1 Development Phase 1 5






7.0 Activity Details and Methodologies 5

7.1 Roads in steep topography 6

7.2 Concrete Batching Plants 6

7.3 Stream Realignments and Rehabilitation 6

7.4 Quarries 6

7.5 Culvert Installation 6

7.6 Bridge Works 6

8.0 Planning Considerations 6

8.1 Assessment against the Statutory Provisions 6

9.0 Conclusions 6

10.0 Key References 6

A02337300R007 Erosion and Sediment Control Plan Draft v2 i i i



Appendices

Appendix A: Area Overview Plan

Appendix B: USLE Assessment

Appendix C: Erosion and Sediment Control Design Drawings

Appendix D: Sizing Calculations

Appendix E: Chemical Treatment Report if required

Appendix F: Consent conditions

DRAFT

A02337300R007 Erosion and Sediment Control Plan Draft v2 i v


C A S T L E H I L L W I N D F A R M E R O S I O N A N D S E D I M E N T C O N T R O L P L A N

1.0 Introduction

This section will provide a brief introduction to the Erosion and Sediment Control

Plan(s) (ESCP) and its purpose in the context of the Castle Hill Wind Farm (CHWF).

The will include a brief overview of the Project, what the project entails and how

ESCPs play a part in the wider suite of management plans for the Project.

The introduction will include discussion of the process to be followed in development

and implementation of ESCPs:

• that Genesis Energy’s contractor/consultants will prepare the detailed design

plans for erosion and sediment control devices as per the direction provided

by the ESCP and the conditions of Resource Consent(s).

DRAFT

• that the ESCP and detailed design plans will undergo a consultation/review

process with Council.

• that once agreed and consented, the ESCP will be constructed.

• that Genesis Energy and its contractors will be responsible for managing the

operation and maintenance requirements of the ESCP.

1.1 Purpose

The purpose of an ESCP is to describe the method(s) to minimise soil erosion and the

treatment of sediment laden overland flow during construction of the CHWF Project.

This includes, but is not limited to:

• Providing an outline of the proposed activities for each phase of development.

• Evaluation of, and reporting on, activities and monitoring from the previous

phases of development.

• Providing specific details of the earthworks and key associated erosion and

sediment control measures proposed.

The ESCP will be developed in phases consistent with the development of the

Windfarm.

1.2 Objectives

The following operational objectives will be used to develop each ESCP.

• The use, as a minimum, of the erosion and sediment control methods

promulgated through the Hydrology Effects Assessment (PDP, 2011) and any

outcomes defined through the required statutory process.

• Demonstrate how the erosion and sediment control methods promulgated are

the Best Practicable Option.

A02337300R007 Erosion and Sediment Control Plan Draft v2 1



• Review of monitoring data and lessons from implementation of previous ESCPs

on site to inform the choice of devices used in different situations.

• The ESCP is monitored, evaluated and where necessary modified to manage

or mitigate alterations to the following; the project brief, the project site

conditions or identified risks, or any significant adverse effects identified

within receiving environments.

2.0 Design Philosophy and Principles

The following section will set the context for the development of the ESCP(s). The

principles of an ESCP are defined from Wellington Regional Council’s (WRC) Erosion

and Sediment Control guideline (GWRC, 2002). These are:

DRAFT

• Minimise Disturbance

• Stage Construction

• Protect Steep Slopes

• Protect Waterbodies

• Stabilise Exposed Areas Rapidly

• Install Perimeter Controls

• Employ Detention Devices

• Make Sure the Plan Evolves

• Inspect

These principles will be discussed individually and commentary will also be given how

each should be incorporated within this ESCP.

Reference will also be made to other supporting AEE documentation which outlines the

specific details of each construction location.

3.0 Planning Framework

This is a brief section that will discuss the linkages of the ESCP with the resource

consent(s), required management plans and relevant planning documents.

4.0 Assessment of Risk

The purpose of this section is to provide an analysis of the expected and foreseen

risks that might occur within the area of work being considered.

A project wide risk assessment has been carried out and this would be the starting

point for the site specific assessment for the proposed area of work.




The Universal Soil Loss Equation (USLE) would be utilized. This assessment will

provide an initial justification to the proposed sediment and erosion control devices

that will be used to manage and mitigate the effects. This would be confirmed with

the operational experience offered by Genesis Energy’s consultants, contractors and

Council reviewers.

As well as USLE methods, degree of risk can be classified into three key categories,

which are:

• Sediment generating potential - this highlights the generation potential of the

area in question and is based on slope, slope length, soils, rainfall and erosion

control factors.

• Sediment delivery – this relates to the amount of eroded material that is

retained on site in depressions and within the site’s natural contours prior to it

entering any sediment treatment devices. DRAFT

• Sediment yields – the amount of sediment that actually leaves the site and

enters the receiving environment. It is well recognised that this is the key

area of interest.

Discussion of each of these categories will be provided in relation to the methods

proposed.

5.0 Overall Erosion and Sediment Control Approach

The following section will provide an outline of the key measures that will be

implemented as part of the ESCP for the phase of work being considered and builds on

the principles outlined in Section 2.0.

5.1 Team Approach

This section will outline the parties and personnel involved in developing,

implementing, monitoring and modifying the ESCP. This will include Council, Genesis

Energy consultants/contractor, and Genesis Energy staff. This section is included to

demonstrate that adequate resources, commitment and expertise are provided to

effectively implement erosion and sediment controls from start to finish of the Project

(design through to dis-establishment).

A key focus of this section will be how effective communication will occur. Discussion

on how information, reports, data will be disseminated amongst all the required

parties will be provided.

5.2 Erosion and Sediment Control Device and Measures

This section will provide a brief summary of what erosion and sediment control

measures will be used to minimise the extent of soil erosion and sediment yield in the

area of the site being considered. This will draw from the toolbox of methods set out

in the PDP Hydrology Effects Assessment.




This section will include both engineered (device orientated) and management options

(such as staged works, timing of works etc). The section will not get into the specific

detail for each individual device (this comes in section 6), the purpose of this section

is more to state how the device designs will generally conform to meet WRC’s erosion

and sediment control guideline.

5.3 Monitoring

This section will be broken into two types of monitoring; performance monitoring of

device effectiveness, and site monitoring for assessing current and new risk.

Within each of these types of monitoring, discussion will be provided on how the

monitoring results will be reported, evaluated and where appropriate actioned (either

through changes to the monitoring strategy or site erosion and sediment control

improvement). DRAFT

For device performance monitoring, discussion will be provided to demonstrate that

the erosion and sediment control devices have been installed correctly and are actually

working as intended. This monitoring section will need to demonstrate what

procedures will be used throughout the entire period of construction.

Discussion of the performance monitoring information of erosion and sediment control

devices will be provided.

Discussion of how monitoring will be undertaken; such as grab samples, laboratory

methods of analysis, reporting of monitoring results, and how monitoring results will

be evaluated and where appropriate, the monitoring methodology altered, will be

provided.

In parallel to device monitoring, receiving environment monitoring of freshwater and

freshwater habitat monitoring will be included.

The monitoring section will also include how continued assessment for risks will be

undertaken i.e. risks that were not identified initially, but may become apparent over

the construction period. This is essential to cover the principle regarding plan

evolution and improvement. Discussion on what mechanisms will be in place to

incorporate newly identified risk into the ESCP will also be provided.

5.3.1 Response to Indicators of Significant Effects

In this section, discussion will be made as to how parties will respond to adverse

events and what measures will be in place if adverse effects are detected.

This section will include discussion that should linkages between the adverse effect

and on-site erosion and sediment control practices be found, then alterations to the

operational methods (including modifications to environmental control measures and

methodologies) will be investigated as a first order response.




5.4 Miscellaneous Activities

This purpose of this section will be to provide discussion of the effects caused by

miscellaneous activities. Discussion will need to be included how these miscellaneous

activities will be managed. For example, dust management from roads and any

further site specific monitoring will be discussed.

6.0 Specific Erosion and Sediment Control Methodologyfor Defined Areas

This section will provide the detailed methodology regarding the erosion and sediment

control methods to be implemented in the area of works under consideration.

DRAFT

Summary information regarding the devices within each phase of development will be

provided. Information such as; catchment area draining to the device,

pond/channel/bund volume, (forebay volume), the number of decants, side slopes,

and associated drawing references, will be provided.

6.1 Development Area 1






7.0 Activity Details and Methodologies

This section will provide detailed information for the more specific ‘higher risk‘

activities within the project. For each of the below, discussion will be provided

regarding the activity, and how erosion and sediment control will be undertaken for

these areas.

The following sections provide some of the potential ‘higher risk’ activities that will be

discussed.




7.1 Roads in steep topography

7.2 Concrete Batching Plants

7.3 Stream Realignments and Rehabilitation

7.4 Quarries

7.5 Culvert Installation

7.6 Bridge Works

8.0 Planning Considerations

This section is set to link back to the earlier Section 3 where relevant statutory

documents were identified that are associated with this Plan. This section will

therefore discuss the assessment whether the proposed ESCP meets these statutory

provisions within the identified documents.

DRAFT

The purpose of this section is to demonstrate to stakeholders that the ESCP is

satisfactory and meets the relevant statutory documents.

8.1 Assessment against the Statutory Provisions

Commentary for each of the above described assessments will be placed here.

9.0 Conclusions

A conclusion statement will be included.

10.0Key References

List of references used in the plan.




Appendices

Appendix A - Area Overview Plan

This appendix will provide graphics showing an overview of the project, contour

information, and where erosion and sediment control devices will be implemented.

Appendix B - USLE

This appendix will summarise the results of the USLE and risk assessment for the area

being considered.

DRAFT

Appendix C - Erosion and Sediment Control Design Drawings

This appendix will provide the Erosion and Sediment Control Plans and detailed design

drawings for the proposed devices.

Appendix D – Sizing Calculations

Any technical details in regards to of any devices or diversion channels that are

required within the project will be provided.

Appendix E - Chemical Treatment Report

If flocculation ponds are to be implemented, a chemical treatment plan will be

included. The chemical treatment plan provides information regarding the PAC dosing

strategy for the specific soils within the project site.



Appendix G: Drainage Management Plan (DMP)

DRAFT

Castle Hill Wind Farm Drainage Management Plan

• Prepared for

Genesis Energy

• July 2010


C A S T L E H I L L W I N D F A R M D R A I N A G E M A N A G E M E N T P L A N

Quality Control Sheet

T I T L E Castle Hill Wind Farm Drainage Management Plan

C L I E N T Genesis Energy

V E R S I O N Draft

D A T E July 2011

J O B R E F E R E N C E A02337300

S O U R C E F I L E ( S )A02337R006 DMP v1 D

RAFT

Prepared by

S I G N A T U R E

H a y d e n E a s t o n

Directed, reviewed and approved by

S I G N A T U R E

A l a n P a t t l e

Limitations:

The report has been prepared for [Click here to type CLIENT], according to their instructions,for the particular objectives described in the report. The information contained in thereport should not be used by anyone else or for any other purposes.

A02337300R006 Drainage Mangement Plan Draft v2 i



Executive Summary

An Executive Summary discussing the Drainage Management Plan will be provided.

DRAFT

A02337300R006 Drainage Mangement Plan Draft v2 i i



Table of Contents

S E C T I O N P A G E

Executive Summary ii

1.0 Introduction 1

1.1 Purpose 1

1.2 Objectives 1

2.0 Design Philosophy 2

3.0 Drainage Effects 3

DRAFT

3.1 Water Quantity 3

3.2 Water Quality 3

3.3 Ecology 3

4.0 Design and construction of the drainage network 3

4.1 Culverts 4

4.2 Bridges 4

4.3 Long term channels 4

4.4 Overland Flow Paths 4

4.5 Secondary Overland Flow Paths 4

4.6 Water Quality Devices 4

5.0 Operation and Maintenance Procedures 4

5.1 Culverts 4

5.2 Bridges 4

5.3 Long term channels 4

5.4 Overland Flow Paths 4

5.5 Secondary Overland Flow Paths 4

5.6 Water Quality Devices 4

5.7 Response to Operational Drainage Problems 4

5.8 Training 5

6.0 Plan Review and Evaluation 5

7.0 References 5

Tables of Tables

Table 1: Recommended Drainage Design Criteria 2�

A02337300R006 Drainage Mangement Plan Draft v2 i i i



Appendices

Appendix A: Site plan map that illustrates the location of the devices and structures of the

drainage network.

Appendix B: Calculations, Detailed drawings, and maintenance inspection check sheets for

culverts

Appendix C: Calculations, Detailed drawings, and maintenance inspection check sheets for

bridges

Appendix D: Calculations, Detailed drawings, and maintenance inspection check sheets for

long term channels

DRAFT

Appendix E: Calculations, Detailed drawings, and maintenance inspection check sheets for

over land flow paths

Appendix F: Calculations, Detailed drawings, and maintenance inspection check sheets for

secondary overland flow paths

Appendix G: Calculations, Detailed drawings, and maintenance inspection check sheets for

water quality devices

A02337300R006 Drainage Mangement Plan Draft v2 i v



1.0 Introduction

This section will provide a high level discussion summarising the purpose of the

Drainage Management Plan (DMP) and how the DMP plays a part in the wider suite of

management plans for the Castle Hill Wind Farm (CHWF) Project.

The introduction will include discussion of the process to be followed in development

and implementation of the DMP:

• that Genesis Energy’s consultants will prepare the drainage detailed design

plans for each individual device or structure as per the direction provided by

this DMP and the Consent.

DRAFT

• that these detailed design plans will undergo a consultation/review process

with Council.

• that once agreed and consented, the drainage network will then be

constructed.

• that Genesis Energy will be responsible for managing the operation and

maintenance requirements of the drainage network as directed by this DMP.

1.1 Purpose

The purpose of the DMP is to outline the proposed designs for proposed permanent

(operational phase) drainage devices and structures for the Castle Hill Wind Farm

(CHWF) project. This includes, but is not limited to:

• Outlining the proposed infrastructure that will used to manage stormwater

effects (flooding and water quality management) during the operational phase

of the CHWF Project.

• Provide details as to how the proposed infrastructure will be designed,

operated, maintained, and monitored to ensure that stormwater effects from

the project are appropriately managed.

The DMP may be developed progressively in line with future construction phasing of

the CHWF.

1.2 Objectives

The following objectives will be used in the development of the DMP.

• The use, as a minimum, of the methods promulgated through the Hydrology

Effects Assessment (PDP, 2011) and any outcomes defined through the

required statutory process.

• Demonstrate how the designs and methods promulgated are the Best

Practicable Option and meet the design requirements.

A02337300R006 Drainage Mangement Plan Draft v2 1



• Review of any monitoring data and operational lessons from implementation

of previous parts of the DMP on site to inform the choice of devices used in

different situations.

2.0 Design Philosophy

This section identifies the key drainage requirements set out in the Hydrology Effects

Assessment and will set out the methodology used to generate the proposed drainage

works for the Project.

Table 1 below, provides the recommended design criteria for the project.

In addition to the recommended design criteria, linkage to the statutory requirements

of the Resource Management Act 1991, will also be made. Here, as a minimum, the

following objectives can be included: DRAFT

• To minimise any potential adverse environmental effects on water quality and

aquatic ecosystems from the proposed stormwater discharge from the Project.

• To minimise any potential adverse environmental effects from flooding or

erosion (inclusive of land or watercourses) from the proposed stormwater

discharge of the Project.

Any specific consent conditions relating to drainage will be identified here.

Table 1: Recommended Drainage Design Criteria

Infrastructure Design Criteria

All culverts shall be designed to pass the peak flow during the 20 yearARI event. The bank full flow shall be passed without becoming the culvert becoming inlet controlled.

All culvert designs for watercourse crossings shall allow for the passageof aquatic fauna (e.g. fish and invertebrates) and fauna (e.g. water dispersed seeds and pollen).

Culverts

Culvert structures shall be designed with good practice with respect to; erosion and sedimentation around outlets, blockage of inlets, provisionof secondary flow paths or secondary inlets, flood hazard, and operationand maintenance requirements.

Primary piped systems shall be designed to convey the peak flow from the 20 year ARI event.

Site Drainage

Secondary overland flow paths shall be designed to convey the peak flow from the 100 year ARI event based on the assumption that the primarypiped system is not operating (i.e. due to blockage, damage etc).

All new industrial floors and sub-station yards shall have a minimum freeboard of 1.0m above the 100 year ARI event water level (measuredto the underside of the floor structure or yard finished level).

Flooding

Works shall not exacerbate flooding of existing buildings.




DRAFT

Table 1: Recommended Drainage Design Criteria

Infrastructure Design Criteria

Climate Change Climate change shall be factored into the estimation of peak flows from design events.

3.0 Drainage Effects

The following section will provide discussion and analysis of the surface water effects

the DMP will manage or mitigate. This can be broken down into the following

subheadings.

3.1 Water Quantity

Discussion of the effects of flooding within the project location will be provided.

3.2 Water Quality

Discussion of the effects of contaminant management/mitigation within the project

location will be provided.

3.3 Ecology

Discussion of how that DMP will be used to manage ecological function within the

project location will be provided.

The above discussions will include the need for drainage networks to be cognisant of

aquatic ecological functions. An example of this is to ensure the design of drainage

networks that enable fish passage, stormwater outfall protection etc.

4.0 Design and construction of the drainage network

This section is a significant component of the plan.

This section will firstly state that the design of these drainage devices is aligned with

the design philosophy that was discussed earlier in section 2, and be designed to

achieve management or mitigation of the effects discussed in section 3.

Following this, details of the design and any specific construction requirements for the

relevant type of drainage device or structure will be provided.

In this section, the design discussion is not for each individual device, but should

describe the methodology that was undertaken to design/size the device type.

Similarly, the construction discussion will summarise the fundamental construction

considerations that need to be addressed when constructing each device type within

the project.




Calculations and detailed design plans for each individual device or structure will be

provided as appendices. Appendices will be titled for each device/structure type.

4.1 Culverts

4.2 Bridges

4.3 Long term channels

4.4 Overland Flow Paths

4.5 Secondary Overland Flow Paths

4.6 Water Quality Devices

DRAFT

5.0 Operation and Maintenance Procedures

This is another significant component of the plan. This section will provide detailed

discussion of how the drainage infrastructure will be operated and maintained over its

lifecycle.

Details regarding inspection frequencies will be provided. Maintenance frequencies will

include scheduled or routine maintenance procedures and also major or reactive

maintenance procedures.

A list of the people with defined roles and responsibilities for operation and

maintenance will be provided and who is going to be people involved to ensure that

the DMP is effectively implemented, monitored and when appropriate modified to

ensure best practice operation and maintenance methods are maintained.

5.1 Culverts

5.2 Bridges

5.3 Long term channels

5.4 Overland Flow Paths

5.5 Secondary Overland Flow Paths

5.6 Water Quality Devices

In the previously discussed appendices, where appropriate, maintenance inspection

check sheets for each device/structure type will be provided.

5.7 Response to Operational Drainage Problems

This section will specifically discuss how operational problems relating to the drainage

network will be mitigated. Here, the strong linkages to the spill response plan and

also the erosion and sediment control plan will be discussed. A listing of key contacts

from outside the operation and maintenance team who can be contacted regarding

significant issues will also be provided.




5.8 Training

This section will outline any training that may be required to ensure that the operation

and maintenance requirements of the DMP are achieved.

6.0 Plan Review and Evaluation

This section will set out how the DMP will be monitored, evaluated, and where

appropriately reviewed and modified. This section would have reference back to

Section 3, where the objectives identified there will be used to determine whether the

DMP is being effective or if modification is required. The section will discuss the

frequency this occurs and what procedures will be undertaken.

DRAFT

7.0 References

Any references cited within the plan are to be populated here.



Appendix H: Quarry Management Plan (QMP)

Purpose To provide for effective environmental management of all activities associated with the establishment and operation of quarries. Objectives To identify measures and methods to be implemented to avoid or minimise environmental effects appropriate for each quarry used for construction of the CHWF. Proposed Content

• Detailed design drawings

• Discussion of impacts on stock and drinking water

• Construction/establishment methodology, if not included in EMP

• Identification of those involved in preparing the SEMP

• Calculations for sizing of every sediment pond and culvert

• Actions proposed to minimise the discharges of sediment

• Actions taken in design to minimise extent and effects of earthworks

• A list of the key environmental considerations

• Work programme

• Plans showing all proposed works and sediment control measures

• Schedule of sediment control measures. The purpose of sediment control is to minimise the amount of silt and clay that will be discharged onto land or into natural watercourses. The schedule should include, but not be necessarily limited to, descriptions of proposed bunds, sumps, diversion channels, storm water treatment ponds, weirs, spillways and vegetated storm water disposal strips.

• Schedule of contamination control measures. The purpose of contamination control is to minimise the amount of contaminants that will be discharged onto land, the air, or into natural watercourses.

• Schedule of hazardous substance control measures. The schedule shall include, but not be necessarily limited to, control measures for storage of fuels and oil.

• Schedule of dust control measures. The schedule shall include, but not be necessarily limited to, descriptions of water spraying or water misting.


• Procedures for water recycling. The hydraulic connections for water recycling shall also be shown on the sediment control plan.

• Schedule of measures to control rock blasting, if rock blasting is considered necessary.

• Revegetation schedule during, and on completion of, construction works

• Monitoring schedule. This shall include, but not be necessarily limited to, a programme for monitoring storm water discharge for pH and suspended sediment.

• Contact details for Contractors and relevant Genesis Staff

It is anticipated that many (or potentially all) of the concrete batching plants will be adjacent to, or contained within a quarry. Where this is the case, then the environmental measures taken in the quarry and concrete batching plant will be closely interlinked. In such circumstances the QMP shall be prepared, and incorporate environmental measures for the concrete batching plant. Where a concrete batching plant is planned separate from a quarry, then a CBMP shall also be prepared. An indicative sketch layout of the quarry is provided below.

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Appendix I: Concrete Batching Plant Management Plan (CBPMP)

Purpose To provide for effective environmental management of all activities associated with the concrete batching plant. Objectives To identify measures and methods to be implemented to avoid or minimise environmental effects appropriate for each concrete batching plant used for construction of the CHWF. Proposed Content

• Detailed design drawings

• Identification, consideration and protection of stock and drinking water supplies

• Construction/establishment methodology.

• Identification of roles and responsibilities

• Calculations for sizing of every sediment pond and culvert

• Actions to minimise the discharges of sediment

• Actions to minimise extent and effects of earthworks

• Key environmental considerations

• Work programme including program of actions to implement measures

• Plans showing all proposed works and sediment control measures

• Schedule of sediment control measures. The purpose of sediment control is to minimise the amount of silt and clay that will be discharged onto land or into natural watercourses. The schedule should include, but not be necessarily limited to, descriptions of proposed bunds, sumps, diversion channels, storm water treatment ponds, weirs, spillways and vegetated storm water disposal strips.

• Schedule of contamination control measures. The purpose of contamination control is to minimise the amount of contaminants, such as cement or by-products of concrete batching that will be discharged onto land, the air, or into natural watercourses. The schedule shall include, but not be necessarily limited to, descriptions of the arrangement of cement delivery points, batching plant, concrete loading areas, sludge drying and washing bays; storage of cement; the proposed methods and extent of testing of concrete batching plant waste sludge; and the proposed treatment of both contaminated and uncontaminated concrete waste sludge.


• Schedule of hazardous substance control measures. The schedule shall include, but not be necessarily limited to, control measures for storage of cement, cement admixtures, fuels and oil.

• Schedule of dust control measures. The schedule shall include, but not be necessarily limited to, descriptions of water spraying or water misting.

• Dry cement or wet cement spillage procedures.

• Procedures for water recycling. The hydraulic connections for water recycling shall also be shown on the sediment control plan.

• Revegetation schedule during, and on completion of, construction works

• Monitoring schedule. This shall include, but not be necessarily limited to, a programme for monitoring storm water discharge for pH and suspended sediment.

• Contact details for Contractors and relevant Genesis Staff

It is anticipated that many (or potentially all) of the concrete batching plants will be adjacent to, or contained within a quarry. Where this is the case, then the environmental measures taken in the quarry and concrete batching plant will be closely interlinked. In such circumstances a QMP shall be prepared, and incorporate environmental measures for the concrete batching plant. Where a concrete batching plant is planned separate from a quarry, then a CBPMP shall also be prepared. An indicative sketch layout of the concrete batching plant is provided below.

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Appendix J: Baseline Aquatic Monitoring Plan (BAMP)

Purpose To guide the collection of pre-construction information on water quality and aquatic communities within the Castle Hill Wild Farm Site (CHWF) to ensure that standard compliance can be adequately assessed during construction. Objective To provide the information needed for the development of compliance standards for water quality and biological parameters to be included in the CHWF Construction Aquatic Monitoring Plan (CAMP). Proposed content

• A review of Council surface water quality and biological parameter standards to identify those relevant to construction of the CHWF (e.g. current (July 2011) Horizons and Greater Wellington Regional Council water quality standards are listed in Tables 1 and 2, below).

• Determination of baseline monitoring required allowing assessment of compliance with standards during construction. This may include a requirement to collect information on flow rates or rainfall.

• The selection of appropriate monitoring sites that are representative of the receiving water and will allow compliance with standards to be assessed during construction. This requires information on key construction locations (e.g. access road routes, watercourse crossings, water intakes, turbine and infrastructure locations, and spoil disposal sites) to enable sites to be chosen in the most appropriate locations. Factors to consider in the selection of sites include ease and safety of access, positioning in relation to Council defined mixing zones downstream of discharges or instream works, and the inclusion of unaffected upstream reference sites where possible. Consultation with the relevant Council is recommended during this process.

• A detailed method for the collection of any required baseline monitoring information. Including the identification of suitably qualified personnel, a timetable stating when sampling should begin and end and the timing and frequency of sample collection, a list of parameters to be measured (e.g. pH, temperature, dissolved oxygen, water clarity, QMCI, etc.), the method of sample collection and processing to be used, and a format for the recording and reporting of information.

• The requirement for the preparation of a report to be provided to the relevant Council stating what water quality and biological parameter standards will be included in the Construction Aquatic Monitoring Plan (CAMP) for assessment


of compliance during construction and, where necessary, the baseline values against which the standards are to be assessed.

•

Table 1 Horizons proposed One Plan water quality standards for Water Management Sub-zones within the CHWF (Schedule D, One Plan).

Parameter Upper Tiraumea

(Mana_7a)

Owahanga

(Owha_1)

E. coli / 100ml The concentration of Escherichia coli must not exceed 260 per 100 millilitres 1 November - 30 April (inclusive) when the river flow is at or below the 50th flow exceedance percentile.

The concentration of Escherichia coli must not exceed 550 per 100 millilitres year round when the river flow is at or below the 20th flow exceedance percentile.

The concentration of Escherichia coli must not exceed 260 per 100 millilitres 1 November - 30 April (inclusive) when the river flow is at or below the 50th flow exceedance percentile.

The concentration of Escherichia coli must not exceed 550 per 100 millilitres year round when the river flow is at or below the 20th flow exceedance percentile.

pH The pH of the water must be within the range 7 to 8.5 unless natural levels are already outside this range

The pH of the water must not be changed by more than 0.5

The pH of the water must be within the range 7 to 8.5 unless natural levels are already outside this range

The pH of the water must not be changed by more than 0.5

Temperature (oC) The temperature of the water must not exceed 23 degrees Celsius

Shall not be changed by more than 3

The temperature of the water must not exceed 22 degrees Celsius

Shall not be changed by more than 3

Dissolved oxygen (%) The concentration of dissolved oxygen (DO) must exceed 70% of saturation

The concentration of dissolved oxygen (DO) must exceed 70% of saturation

sCBOD5 (g/m3) The monthly average five-days filtered/soluble carbonaceous biochemical oxygen demand (sCBOD5) when the river flow is at or below the 20th flow exceedance percentile must not exceed 2 grams per cubic metre

The monthly average five-days filtered/soluble carbonaceous biochemical oxygen demand (sCBOD5) when the river flow is at or below the 20th flow exceedance percentile must not exceed 2 grams per cubic metre

POM (g/m3) The average concentration of particulate organic matter when the river flow is at or below the 50th flow exceedance percentile must not exceed 5 grams per cubic metre

The average concentration of particulate organic matter when the river flow is at or below the 50th flow exceedance percentile must not exceed 5 grams per cubic metre

Periphyton Chl a (mg/m2)

Chl a less than or equal to 120 mg/m2

Chl a less than or equal to 200 mg/m2



(Mana_7a)

Owahanga

(Owha_1)

Percentage cover The maximum cover of visible bed by periphyton as filamentous algae more than 2 cm long must not exceed 30%

The maximum cover of visible river bed by periphyton as diatoms and cyanobacteria more than 0.3cm thick must not exceed 60%

The maximum cover of visible bed by periphyton as filamentous algae more than 2 cm long must not exceed 30%

The maximum cover of visible river bed by periphyton as diatoms and cyanobacteria more than 0.3cm thick must not exceed 60%

DRP (g/m3) The annual average concentration of dissolved reactive phosphorus (DRP) when the river flow is at or below the 20th flow exceedance percentile must not exceed 0.010 grams per cubic metre, unless natural levels already exceed this target.

The annual average concentration of dissolved reactive phosphorus (DRP) when the river flow is at or below the 20th flow exceedance percentile must not exceed 0.015 grams per cubic metre, unless natural levels already exceed this target.

SIN5 (g/m3) The annual average concentration of soluble inorganic nitrogen (SIN)3 when the river flow is at or below the 20th flow exceedance percentile must not exceed 0.444 grams per cubic metre, unless natural levels already exceed this target.

The annual average concentration of soluble inorganic nitrogen (SIN)3 when the river flow is at or below the 20th flow exceedance percentile must not exceed 0.167 grams per cubic metre, unless natural levels already exceed this target.

MCI6 The macroinvertebrate community index must exceed 100, unless natural physical conditions are beyond the scope of application of the MCI. In cases where the river habitat is suitable for the application of the soft-bottomed variant of the MCI (sb-MCI) the targets also apply.

The macroinvertebrate community index must exceed 100, unless natural physical conditions are beyond the scope of application of the MCI. In cases where the river habitat is suitable for the application of the soft-bottomed variant of the MCI (sb-MCI) the targets also apply.

QMCI7 There must be no more than a 20% reduction in Quantitative Macroinvertebrate Community Index (QMCI) score between appropriately matched habitats upstream and downstream of discharges to water

There must be no more than a 20% reduction in Quantitative Macroinvertebrate Community Index (QMCI) score between appropriately matched habitats upstream and downstream of discharges to water

5 Soluble inorganic nitrogen (SIN) concentration is measured as the sum of nitrate nitrogen, nitrite nitrogen, and ammoniacal nitrogen or the sum of total oxidised nitrogen and ammoniacal nitrogen. 6 The Macroinvertebrate Community Index (MCI) target applies only for State of the Environment monitoring purposes to

determine if the aquatic macroinvertebrate communities are adequate to provide for and maintain the values in each WMSZ. This target is not appropriate for monitoring the effect of activities such as discharges to water on macroinvertebrate communities upstream and downstream of the activity.



(Mana_7a)

Owahanga

(Owha_1)

Ammoniacal Nitrogen8

(g/m3) The average concentration of ammoniacal nitrogen must not exceed 0.400 grams per cubic metre. The maximum concentration of ammoniacal nitrogen must not exceed 2.1 grams per cubic metre.

The average concentration of ammoniacal nitrogen must not exceed 0.400 grams per cubic metre. The maximum concentration of ammoniacal nitrogen must not exceed 2.1 grams per cubic metre.

Toxicants For toxicants not otherwise defined in these targets, the concentration of toxicants in the water must not exceed the trigger values for freshwater defined in the 2000

ANZECC guidelines Table 3.4.1 for the level of protection of 95% of species. For metals the trigger value must be adjusted for hardness and apply to the dissolved fraction as directed in the table.

For toxicants not otherwise defined in these targets, the concentration of toxicants in the water must not exceed the trigger values for freshwater defined in the 2000

ANZECC guidelines Table 3.4.1 for the level of protection of 95% of species. For metals the trigger value must be adjusted for hardness and apply to the dissolved fraction as directed in the table.

Visual clarity (m) The visual clarity of the water measured as the horizontal sighting range of a black disc must not be reduced by more than 30%.

The visual clarity of the water measured as the horizontal sighting range of a black disc must equal or exceed 2 metres when the river is at or below the 50th flow exceedance percentile.

The visual clarity of the water measured as the horizontal sighting range of a black disc must not be reduced by more than 30%.

The visual clarity of the water measured as the horizontal sighting range of a black disc must equal or exceed 1.6 metres when the river is at or below the 50th flow exceedance percentile.

7 This target is only relevant for measuring the percentage of change in Quantitative Macroinvertebrate Community Index (QMCI) between appropriately matched habitats upstream and downstream of activities, such as discharges to water, for the purposes of measuring the effect of discharges on aquatic macroinvertebrate communities. It is not an appropriate target for the measurement of the general state of macroinvertebrate communities in each Water Management Sub-zone. 8 Ammoniacal nitrogen is a component of SIN. SIN target should also be considered when assessing ammoniacal nitrogen concentrations against the targets.


Table 2 Greater Wellington Regional Council physico-chemical and microbiological variables and guideline values (Milne and Perrie 20069).

Parameter Guideline value Reference

Temperature (oC) <20 -

Dissolved oxygen (%) ≥80 RMA 1991 Third Schedule

pH 6.5-9.0 ANZECC (1992)

Conductivity (�S /cm) - -

Visual clarity (m) ≥1.6 MfE (1994)

Turbidity (NTU) ≤5.6 ANZECC & ARMCANZ (2000)

Total organic carbon (mg/L) - -

Nitrite-Nitrate Nitrogen (mg/L) ≤0.444 ANZECC & ARMCANZ (2000)

Ammoniacal Nitrogen (mg/L) ≤0.021 ANZECC & ARMCANZ (2000)

Total Nitrogen (mg/L) ≤0.614 ANZECC & ARMCANZ (2000)

Dissolved Reactive Phosphorus (mg/L) ≤0.010 ANZECC & ARMCANZ (2000)

Total Phosphorus (mg/L) ≤0.033 ANZECC & ARMCANZ (2000)

Faecal coliforms (cfu/100mL) ≤0.100 ANZECC & ARMCANZ (2000)

9Milne, J. and Perrie, A. 2006. Freshwater quality monitoring technical report. Greater Wellington Regional Council, February

2006.


Appendix K: Construction Aquatic Monitoring Plan (CAMP)

Purpose To guide the collection of information on water quality and aquatic communities within the Site during construction of the CHWF and consequential reporting and contingency action. Objectives To provide the information needed to assess compliance with water quality and biological parameter standards during construction of the CHWF. Proposed Content

• A detailed method for the collection of the information required to assess compliance with relevant water quality and biological parameter standards in relation to CHWF construction activities (based on the BAMP).

• A requirement to assess compliance with standards during the construction period (at timeframes appropriate to the standard being assessed), to identify any instances of non-compliance, and determine if they are as a consequence of construction activities (this may require additional monitoring).

• A requirement that information on standard compliance monitoring is to be provided to the relevant Council. Including a record of any instances when monitoring was not possible and an explanation as to why.

• A list of contingency measures that are to be implemented to achieve compliance if non-compliance with the standards occurs that is attributable to construction activities.


Appendix L: Biodiversity Management – Revegetation Plan

Purpose To ensure rapid reinstatement of vegetation cover following completing earthworks. Objectives To ensure that vegetation cover (or another protective measure) is established within 3-6 months of completion of site works. Proposed Content

• Introduction.

• Approaches to be used for:

o Pasture

o Indigenous revegetation

o Steep cuttings

• Methods: Direct sowing of seed, planting, hydroseeding, others.

• Eco-sourcing of indigenous species/locally-sourced species that occur naturally in the Eastern Wairarapa and Puketoi Ecological Districts, on similar landforms, and at similar altitudes.

• Planting guidelines, including timing, numbers and densities of species, infilling, nurse crops, and species that require initial shelter.

• Maintenance of plantings.

• Implementation plan.

• Stock exclusion.

• Management of pest browsers.

• Monitoring.

• Contingency strategies.

• Reporting.


Appendix M: Biodiversity Management – Weed Hygiene and Surveillance Plan

Purpose To ensure that weed management at the CHWF is undertaken to a high standard. Objective To avoid the establishment of new weeds at the Site and to avoid expansion of existing weeds. Proposed Content

• Introduction.

• Statutory framework (RPMS).

• Cleaning of machinery.

• Aggregate sources/management.

• Weed monitoring programme.

• Weed control programme.


• Reporting requirements.

• Term of plan.


Appendix N: Construction Noise Management Plan (CNMP)

Purpose The purpose of this Construction Noise Management Plan (CNMP) is to describe the means by which noise effects arising from the construction of the Castle Hill Wind Farm (CHWF) will be avoided, mitigated or remedied, to describe the means of monitoring compliance with noise conditions, and to describe a mechanism by which any noise complaints related to Construction will be received and addressed. The intended outcome is that the CHWF can be constructed without causing unreasonable noise effects at dwellings surrounding the project. Objectives The objectives of this CNMP are as follows:

• Describe the noise limits which apply to noise sensitive locations near the project.

• Describe the activities which will produce noise at dwellings, and describe the likely noise levels and the durations and times for which this will occur

• Describe noise mitigations which will be implemented to ensure that noise received at dwellings is reasonable, and controlled to the lowest level practicable.

• Describe any limits on hours of operation or on particular activities which are necessary to maintain appropriate protection of dwellings from noise.

• Describe the method of monitoring noise levels to ensure that noise limits are met.

• Designate persons responsible for liaising with the community, both to inform the community of construction activities and to receive and respond to any complaints.

• Describe a procedure for response to complaints.

• Describe the responsibilities of contractors in complying with noise limits and maintaining community goodwill throughout the construction period.


Proposed Content Noise Limits Limits which apply to this project are: New Zealand Standard 6803:1999 Recommended Upper Limits (dBA) for Levels of Construction Work Noise Received in Dwellings in Rural Areas—Long Term Project Duration

Period Noise Level (dBA)

Weekdays Saturdays Sundays and Public Holidays

Leq Lmax Leq Lmax Leq Lmax

0630-0730 55 75 45 75 45 75

0730-1800 70 85 70 85 55 85

1800-2000 65 80 45 75 45 75

2000-0630 45 75 45 75 45 75

Noise Producing Activities

• External Road upgrades

o At dwellings near the xx Site Access point, upgrades to xx road will produce noise levels of up to xx decibels for xx days while major earthworks are undertaken, with ongoing roadworks will produce xx decibels for approximately xx week

• Quarrying

• Construction of Internal Roads

• Construction of Turbine Foundations and Platforms

• Construction traffic noise on Internal Roads

• Delivery of turbine components

• Construction of substations

• Construction of Internal Transmission Lines

• Any others which may apply at particular stages of construction

Noise Mitigations (Examples)

• Blasting (carried out in accordance with AS2187:Part 2) and rock breaking will be completed during daylight hours only, and completed in as short a time as practicable.


• Works which occur within 50 metres of dwellings will be coordinated with occupants to ensure special needs are met.

• All machinery will be well maintained with appropriate engine silencers, machinery tracks will be kept wet where practicable.

• All personnel will be advised that unnecessary shouting or other noise which is not required to maintain the safety of the site should be avoided in the vicinity of dwellings.

• Speed limits enforced etc.

• Music will not be played outside of vehicles.

• Others as necessary.

Restrictions on Activities

• Construction works within xx metres of dwellings will be restricted to daytime hours.

• Others as necessary.

Monitoring Methods

• Stationary activities such as concrete batching and material extraction shall be measured within x days of the establishment of the infrastructure for these activities and it shall be demonstrated to Councils that noise limits at dwellings are met.

• Transient activities such as road works will generally comply with construction noise rules when carried out within the Site. However when such works are carried out within xxx metres of dwellings, spot checks of sound levels shall be taken to allow the community to be advised of likely noise impacts, and appropriate mitigation options be discussed.

Liaison

• Designate persons responsible for liaising with the community, both to inform the community of construction activities and to receive and respond to any complaints.

• The Community Liaison Manager is [xxx] and can be contacted at all times throughout the construction period on [02x-xxx-xxxx].

• Communities will be informed of construction schedules and activities at least 3 months prior to commencement, and shall be informed by monthly letter drop and community notice board etc of progress and any changes to the program.

• Specific dwellings which may experience particular noise impacts will be contacted directly, and noise mitigation options discussed.


Complaints Procedure

• Any noise complaints may be directed to the Community Liaison Manager.

• Complaints shall be responded to within 24 hours. The response shall include an investigation of the noise produced at the time of the complaint, and if compliance with consent conditions is uncertain, shall be accompanied by a noise assessment to determine what, if any, additional mitigations should be implemented.

• The result of the noise assessment shall be reported back to the complainant within xx hours of a determination of the response.

Responsibilities of Contractors

• Contractors shall be required to comply with the Consent Conditions at all times, and bear the primary responsibility for ensuring that noise limits are met and noise is controlled to the lowest practicable level.

• Noise mitigation measures (including methods, equipment, maintenance, scheduling, practices, etc) shall be made part of the tendering process, and shall form a part of the contractor’s performance requirements.

• Contractors are also responsible for assisting Genesis Energy in maintaining community goodwill throughout the project, and shall proactively endeavour to ensure that the community is informed and respected throughout the construction process.


Appendix O: Construction Traffic Management Framework (CTMF)

Genesis�Energy�


Construction�Traffic�Management�Framework�

PO Box1261, Level 6, 11 Garden Pl Hamilton 3240 P: +64 78395500 www.tdg.co.nzNew Zealand

10311-8ta_version 8 review_v4 final.docx

July 2011

Genesis�Energy�


Construction�Traffic�Management�Framework�Quality�Assurance�Statement�

Prepared by:

Mark Apeldoorn

Director

Reviewed by:

Anna Wilkins

Principal Transportation Engineer

Approved for Issue by:

Mark Apeldoorn

Director

Status: Final

Date: July 2011

ctmp

Table�of�Contents��1.� Introduction .............................................................................................................................1�

2.� Purpose and Objectives ..........................................................................................................1�

3.� CTMP Development Process..................................................................................................2�

4.� CTMP Content ........................................................................................................................3�

4.1� Consent Conditions ...................................................................................................3�

4.2� Construction Programme...........................................................................................3�

4.3� Traffic Flows ..............................................................................................................3�

4.4� Road Safety Assessment ..........................................................................................3�

4.5� Wind Farm Access Points .........................................................................................3�

4.6� Travel Routes ............................................................................................................3�

4.7� Road Closures, Events and Cyclic Activities .............................................................4�

4.8� Travel Plan ................................................................................................................4�

4.9� Driver Protocols .........................................................................................................4�

4.10� Contractor Parking.....................................................................................................4�

4.11� Oversize Loads..........................................................................................................4�

4.12� Passenger Transport .................................................................................................5�

4.13� Road Improvements ..................................................................................................5�

4.14� Pavement Maintenance.............................................................................................6�

4.15� Monitoring..................................................................................................................6�

4.16� Incident Reporting .....................................................................................................6�

4.17� Emergency Services..................................................................................................6�

4.18� Contingency Planning................................................................................................6�

4.19� Temporary Traffic Management Planning .................................................................7�

4.20� Communication Protocols........................................................................................14�

5.� Specific Standards ................................................................................................................14�

5.1� Traffic Flows ............................................................................................................14�

5.2� Wind Farm Access Points .......................................................................................14�

5.3� Travel Routes ..........................................................................................................15�

5.4� Driver Protocols .......................................................................................................15�

5.5� Oversize Transporters .............................................................................................15�

5.6� Road Improvements ................................................................................................16�

5.7� Monitoring................................................................................................................17�

5.8� Incident Reporting ...................................................................................................17�

5.9� Communications......................................................................................................18�

6.� Presentation..........................................................................................................................19�

Genesis Energy, Castle Hill Wind Farm: Construction Traffic Management Frameworkctmp

1

1. Introduction�

This document is the Construction Traffic Management Framework for the Castle Hill Wind Farm.It has been prepared to set out the purpose, objectives and specific standards to be applied whenpreparing the Construction Traffic Management Plan (CTMP) at the detailed design stage.

Some aspects of the construction methodology are to be fixed as specific standards in this Framework which must be included in the CTMP under the conditions of the resource consent forthe CHWF. Other aspects, such as timing and staging (which influence traffic volumes), are to bedeveloped at the detailed design stage when contractors are involved. It is not practical toprepare these details at this stage, and the approach of preparing the full CTMP at the detaileddesign stage will enable contractors to bring innovation where appropriate, enabling asubstantially better outcome for other road users, the efficiency of construction, or both.

The CTMP is to be prepared by a Chartered Professional Engineer with specialist skills in TrafficEngineering and Transportation Planning, appointed by the consent holder. Preparation of the CTMP will involve input from the principal civil engineering contractor, the turbine transportcontractor, Tararua and Masterton District Councils, residents on the transport route who wish tobe involved, emergency services and local transport operators (such as the school bus operatorand livestock transporters). It will be required to meet the purpose, objectives, and specific standards set out in this Framework. The Plan is to be submitted to the Councils to be assessedand certified as meeting the requirements of the Framework.

2. Purpose�and�Object ives�

2.1 Purpose�

The purpose of the CTMP is to set out in detail the manner in which construction traffic will be managed to ensure the safe and efficient performance of the road network, to minimise adverseeffects on the existing community arising from construction traffic, and to provide the community with information about Genesis Energy’s traffic arrangements.

2.2 Objectives�

The objectives of the CTMP are to:

(i) ensure the specific requirements of Acts, Regulations, Bylaws and consent conditions in relation to construction traffic, are adhered to;

(ii) encourage a culture of road safety awareness and commitment;

(iii) ensure best practice in transport safety;

(iv) ensure emergency services are not obstructed;

(v) minimise disruption to the community, farming operations and rural services;

(vi) minimise traffic generation; and

(vii) encourage the participation of the community in maximising safety and minimising disruption.


2

These objectives will be achieved by the methods set out in the CTMP.

3. CTMP�Development�Process�

Preparation of the CTMP will be facilitated by a Chartered Professional Engineer, specialising in Traffic Engineering and Transportation Planning, appointed by the consent holder. Its preparation is to begin approximately four months before construction.

In preparing a first draft CTMP, the Chartered Professional Engineer shall:

(i) review this Construction Traffic Management Framework;

(ii) review the CHWF Transportation Assessment and relevant evidence;

(iii) review the approved consent conditions;

(iv) liaise with the consent holder, the lead civil engineer, the principal civils contractor, the turbine transport contractor, Tararua and Masterton District Councils, residents on the transport route who wish to be involved, NZ Police, NZFire Service, St Johns Ambulance, the school bus operator, rural transportoperators (identified by residents), and vets.

Liaison may involve such meetings and conversations as are appropriate to ensure effective consultation with the parties listed above, and others considered appropriate by the Engineer.

The first draft will be circulated to the above parties for comments and suggestions. A period ofat least four weeks will be allowed for comments and suggestions. These will be evaluated bythe Chartered Professional Engineer and incorporated into the completed CTMP, as the Engineerdetermines appropriate.

The completed CTMP will be submitted to the Tararua and Masterton District Councils at least four weeks before construction of the CHWF begins along with a report outlining the commentsand suggestions made on the first draft, and the extent to which they have been included. The Tararua and Masterton District Councils will assess the completed CTMP with a view to certifying it as meeting the purpose, objectives, and specific standards set out in this Framework.

Any changes required to achieve that certification will be discussed between the Councils and the Engineer and made, enabling the final CTMP to be distributed to:

(i) the consulted parties;

(ii) rural transport operators and rural service providers who regularly use the primaryaccess roads; and

(iii) made available to residents and others who have an interest via electronic media.

Updates will likely be required from time to time as a result of project changes or issues arising, which may be identified by the consent holder, its contractors, Tararua or Masterton District Councils, or to address matters relating to residents or other road users. Suggested changes tothe CTMP or issues arising will be referred to the Chartered Professional Engineer who willconsider the matter and make a recommendation to the Tararua and Masterton District Councils.If the Councils certify the recommended changes to the CTMP, revised copies will be madeavailable via digital media for the above referenced parties.


3

4. CTMP�Content�

The CTMP is to include, as a minimum, the following content.

4.1 Consent�Conditions�

The CTMP shall record the full set of consent conditions relating to traffic and transportationconditions in this section. The following specific actions and responses shall be developedhaving regard for the consent condition requirements and the bases on which the TransportationEffects Assessment has been made.

4.2 Construction�Programme�

The CTMP is to present the confirmed construction programme, setting out the start and enddates for the key traffic generating activities. From this, all parties will be able to understand thetype of activities that are occurring and therefore the types of vehicles to expect on the roadnetwork.

4.3 Traffic�Flows�

Based on the programme and construction methodology, the CTMP will set out the expectedprofile of average daily truck and light vehicle movements from month to month duringconstruction. It will also address the expected spread of traffic throughout the day, considering the arrangements for transporting materials and people to the Site, including the geographicspread of sources and accommodation.

4.4 Road�Safety�Assessment�

An assessment of the road safety record as contained on the Land Transport New Zealand CrashAnalysis Database for the most recent five year period shall be provided, and commentary givenon any particular road safety matters that warrant consideration. Where relevant, this may betaken from the Transportation Assessment Report and updated.

A visual assessment shall also be made of the Local Roading environment to determine thenature of road safety. Any potential notable risk areas shall be identified and recorded in this report along with the mitigation planning to be implemented.

4.5 Wind�Farm�Access�Points�

The CTMP will provide details of the individual points where the Site will be accessed from the public road network including how security will be managed.

4.6 Travel�Routes�

The CTMP will map the travel route(s) to be used by construction vehicles and for oversize loads travelling from the receiving Port.


4

4.7 Road�Closures,�Events�and�Cyclic�Activities�

The CTMP shall be prepared in consultation with event organisers and Councils. It shall haveregard for but not be limited to considering the following:

(i) car rally and/or cycling events;

(ii) other activities and works within the road environment that may occur from time to time;

(iii) the movement of stock along or across the roadways;

(iv) ram sales and mustering which typically occurs in November;

(v) lamb sales which typically occur around February; and

(vi) fertilising activities in autumn and spring. Of note in this regard is the Daggs Road access to the airstrip, which appears to service up to about seven farms.

4.8 Travel�Plan�

A Travel Plan shall be developed to minimise contractor generated traffic and construction traffic movements to and from the Site. This shall consider for example alternative travel modes, off-settravel times, ride sharing and opportunities for back loading of construction vehicles.

4.9 Driver�Protocols�

In addition to the driving standards imposed by law, all drivers involved in the project will be subject to additional protocols when travelling along the district roads. The objective of these protocols will be to ensure the safe operation of roads and to minimise existing user delay duringconstruction.

The CTMP will set out these protocols along with the monitoring and disciplinary procedures to be followed in the event of any breaches.

4.10 Contractor�Parking�

Contractor parking is to be planned to be wholly accommodated On-Site and clear of the publicroads. The location, quantity and provision of parking is to be specified in the CTMP to demonstrate the suitable provision and location of the activity.

4.11 Oversize�Loads�

The CTMP will address the movement of Over-weight and Over-dimension loads. While thiswork will be undertaken by specialist contractors operating under permits specific to the project, the details will be repeated in the CTMP to inform interested parties in understanding what toexpect.

This part of the CTMP is to include:


5

(i) the over-size transport route(s);

(ii) times and locations when movement is prohibited, and an indication of the timesof day when deliveries are anticipated;

(iii) procedures for working around stock movements;

(iv) operating restrictions for bridge crossings;

(v) piloting procedures;

(vi) contingency plans for breakdowns, bridge or pavement failures, severe weatherconditions, accidents, or roadworks;

(vii) provisions for co-ordination with other parties, including emergency services; and

(viii) provisions for communication with school bus drivers.

Copies of the permits themselves are to be appended to the CTMP.

4.12 Passenger�Transport�

Specific management plans shall be prepared to show the planning provisions for reliable traveltime, movement and operation of passenger transport, including stopping areas.

This is to include scheduled passenger services, scheduled community or health services (theLocal or Regional Councils may be able to advise contacts or provisions in this regard) and anyschool services that have the potential to be affected.

4.13 Road�Improvements�

An appropriately detailed schedule describing the road improvement works and the temporarytraffic management provisions to be put in place will be separately submitted to Council for approval under the Local Government Act. This schedule will include road improvements to facilitate movement of oversize loads, pavement upgrades, pavement maintenance obligations, and the provision of traffic management facilities at regularly used stock crossings along the transport route.

A summary of those plans will be contained in the CTMP, including:

(i) the physical extent and nature of the works;

(ii) a schedule of start and finish dates;

(iii) details for sourcing materials and disposal of spoil;

(iv) provisions for advisory signage;

(v) arrangements for temporary traffic management and supervision; and

(vi) contact telephone numbers.

Depending on the timing of these works, this component of the CTMP may be prepared andcirculated in advance of the rest.


6

4.14 Pavement�Maintenance�

The CTMP will summarise the key aspects of regular pavement maintenance on roads identifiedin the resource consent, including:

(i) service contract arrangements

(ii) triggers for intervention (eg: size of pothole);

(iii) intervention treatments (including materials specifications); and

(iv) response times.

The CTMP will also include requirements for monitoring the oversize vehicle route from SH2 to the Site, during the turbine component delivery phase, to ensure any road damage is identifiedand repaired.

4.15 Monitoring�

The CTMP will provide a detailed schedule of the various elements of monitoring relating to public roads and transport.

The schedule will also include the specific data to be measured, the method of monitoring, the frequency with which monitoring will be undertaken, triggers for intervention, and the corresponding response.

4.16 Incident�Reporting�

The CTMP will set out requirements and procedures for incident reporting.

4.17 Emergency�Services�

The plan shall set out emergency service planning provisions including those related to:

(i) Site access and operations;

(ii) local environment servicing and access;

(iii) strategic network continuity; and

(iv) communications provisions.

4.18 Contingency�Planning�

The provisioning for contingency shall be set out. It shall outline key risk areas, such as traffic congestion, potential for storm damage in construction zones, vehicle crash instances (andothers) and describe what management / communication and planning provisions are to beestablished to avoid / minimise or mitigate potential adverse situations.


7

4.19 Temporary�Traffic�Management�Planning�

The planning requirements set out in COPTTM and provided for within the following pro-forma sheetsshall be completed.


8

TrafficManagement Plan

Reference For Office Use Only

Organisation

Contractor Client

ContractName/Number

N/ARCA Consent Reference

LocationRoad Name(s) Road Level Speed

LimitFrom - To RP

Description of Activity

Work Programme

Proposed/Restricted Work

Hours

Traffic Details (Main Route)

AADT Peak Hour Flow

Active:

General ProceduresProposed Traffic

ManagementMethod

Unattended:


9


Reference For Office Use Only Night:

Proposed SpeedRestrictions

Positive TrafficManagement

Measures

Lane Restrictions

Restricted Speed Minimum Lane Width

Delineation

Pedestrians

Cyclists

Contingency Plans

Public Notification

Personal Safety


10



On-Site Monitoring

Other Information(eg. delay calcs, EED

issues, temporary speed issues, etc)

Layout Diagrams

EED Applicable? Y/N - YES Attached Y/N

Name (STMS).

Phone (24 hours)

Traffic Controllers

Name (TC)

Cert No:

Phone (24 hours)

TMP preparedaccurately to represent Siteconditions andsubmitted by

Contractor/Applicant

Cert No:

Date

RequiresAmendment

Engineer

Cert No:

Date


11


Reference For Office Use Only This TMP is Approved on the Following Basis

1. To the best of the approving Engineer’s judgment this TMP conforms to the requirements of Transit New Zealand’s Code of Practice for Temporary Traffic Management.

2. This plan is approved on the basis that the activity, the location and the road environment have been correctlyrepresented by the applicant.Any inaccuracy in the portrayal of this information is the responsibility of the applicant.The STMS for the activity is reminded that it is the STMS’s duty to “Postpone, cancel or modify operations due to theadverse traffic, weather or other conditions that affect the safety of this Site” (reference A4.5).

Approving Engineer: ...........................................................................................................................................................(Name and Certificate Number)

...........................................................................................................................................................(Signature)

Acceptance by:

TMC: .................................................................

Cert No: .................................................................

Signature: .................................................................

Date: ..............................................

Acceptance by:

.................................................................................................................................. (Signature)

.........................................................................................................................................(Name)

........................................................................................................................................... (Title)

...........................................................................................................................................(Date)

Acceptance by:

...................................................................................................................................(Signature)

.........................................................................................................................................(Name)

........................................................................................................................................... (Title)

...........................................................................................................................................(Date)


12



Acceptance by:Applicant

...................................................................................................................................(Signature)

.........................................................................................................................................(Name)

........................................................................................................................................... (Title)

...........................................................................................................................................(Date)


13

4.19.1 Temporary�Speed�Restrictions�

Application for temporary speed restrictions shall be made on the following form (also included inCOPTTM).

APPLICATION FOR TEMPORARY SPEED RESTRICTION

Pursuant to Section 23(1) of the Traffic Regulations …………….

Sought by (Contractor)

For (Client)

Contract No. (if appropriate)

Road Name / State Highway

Situated at

From Route Position

From the date of

To the date of

Between the hours of:

Approval granted by: Name: ………………………………………………………

Position: ……………………………………………………

Signature: ………………………………………………….

Date: ………………………………………………………

Special Conditions to apply:

……………………………………………………………………………………………………………..

……………………………………………………………………………………………………………..

……………………………………………………………………………………………………………..

……………………………………………………………………………………………………………..

……………………………………………………………………………………………………………..


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4.19.2 COPTTM�Variations�

Variations from the provisions within COPTTM (and the Local Authority supplement) shall bemade in accordance with the relevant COPTTM provisions and necessary approvals from the relevant Territorial Authority.

4.19.3 Engineering�Exception�Decisions�

Application for an Engineering Exception Decision, as provided for within COPTTM shall be madeon the pro-forma form within COPTTM.

4.20 Communication�Protocols�

Communication protocols are important to the success of the CTMP. Primary contact details will be clearly recorded as the point of contact for road users.

Specific contact arrangements will be made for farmers to advise the project team of planned stock movements. These will then be communicated to project drivers enabling them to avoidthat time or otherwise modify their travel as appropriate.

Finally, the CTMP will record a list of people and organisations that the CTMP will be distributedto. All amendments and updates to the CTMP, as approved by the Councils, will then be made accessible to those named on the list.

5. Specif ic�Standards�

A number of specific standards have been identified as necessary components of constructiontraffic management and are therefore mandatory standards to be included in the CTMP. Theyare:

5.1 Traffic�Flows�(i) contractor vehicle movements to and from the Site shall be minimised by adopting

shared travel, return waste carriage, and other vehicle number minimisation techniques.

5.2 Wind�Farm�Access�Points�(i) the primary Wind Farm Access points shall be located and constructed as

described in the application or as otherwise approved;

(ii) all CHWF construction traffic must use the primary access points, with theexception of:

- specific exception sites to be listed once confirmed

(iii) other Site access transport conditions of consent to be identified here once established.


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5.3 Travel�Routes�(i) All conditions of consent relating to the management and control of travel on the

defined routes are to be recorded here.

5.4 Driver�Protocols�(i) drivers travelling to or from the Site must do so safely, in full compliance with the

law, including in respect of speed limits, following distances, forward sight when overtaking, being able to stop within the length of road visible (or half the lengthon roads without centrelines), and not driving carelessly or dangerously;

(ii) drivers with CB radios must radio in to the gatehouse when leaving the nearesttown for traffic updates or notifications;

(iii) when aware of any emergency vehicles (including vets responding to emergency calls), approaching from in front or behind, drivers must pull over well in advanceto provide unimpeded movement;

(iv) drivers must reduce their speed to 20km/h when passing a school bus which is slowing down, stopped, or accelerating in relation to picking up or setting downchildren;

(v) drivers must reduce their speed to a maximum of 30km/h when:

- passing children walking, cycling or waiting on the side of the road

- passing an oncoming school bus (which isn’t slowing down, stopped oraccelerating such that the 20km/h limit applies)

- passing someone riding or leading a horse along the road

- approaching a stock crossing with the amber flashing light operating

- approaching an area where a stock shift is known to be occurring

(vi) truck drivers must not use engine brakes (particularly Jacobs Brakes) on definerelevant sections of road here, except where the load being carried and the gradeof the road make use of such braking absolutely necessary for safe driving.

(vii) truck drivers travelling on school bus routes at the same time as an oncomingschool bus must use their CB radio to identify the location of the bus and pull overin a safe location before the school bus reaches and passes them;

(viii) truck drivers must let traffic behind them pass at regular locations including thoseopportunities that occur at intersections, wide driveways, sections of road withadequate forward sight distance, gravel pits etc;

(ix) disciplinary procedures shall include consideration of a requirement that a vehicletracking system (with driver behaviour functionality) be installed in the vehicle of any project driver who is the subject of a credible complaint or identified breach ofthe road rules or Construction Traffic Management Plan. Any subsequentbreaches identified by the system shall result in disciplinary action.

5.5 Oversize�Transporters�(i) the arrangements for the delivery of overweight and Over-dimensioned loads and

turbine components to the Site should avoid peak periods of traffic on the network


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and minimise as far as practicable disruption and disturbance to the residents.This shall include:

- list travel time restrictions here

(ii) overweight and Over-dimension load permits for turbine components shall be appended to the CTMP;

(iii) pilots shall be in radio contact with other trucks to ensure passing occurs at safe and convenient locations;

(iv) in the event of a breakdown, accident or road failure, the transporter crew shall dothe following:

- park the pilot vehicles in locations where they maximise safety, consideringoverhanging components, and blind bends on approaches

- contact emergency services (including Police) in the case of an accident;

- contact the project manager

- contact the road controlling authority (Tararua District Council, Masterton District Council or NZ Transport Agency)

- contact the security gate to advise all other project traffic, and local traffic via CB radio

- follow all instructions from Police and the road controlling authority

- in the case of an accident, the vehicles involved should not be moved untilinstructed by Police.

5.6 Road�Improvements�(i) List the road improvement and maintenance requirements here from the

conditions of consent;

(ii) any damage to the roads on the oversize vehicle route between SH2 and the Sitecaused by oversize vehicles travelling to the Site shall be repaired by the Consent Holder, with intervention triggers, response modes and response times as set out in the relevant Tararua and Masterton District Council road maintenancecontracts;

(iii) close liaison shall occur with Tararua and Masterton District Council engineers in designing and planning Local Road improvements to maximise the benefit to the district road network;

(iv) the management of traffic at road improvement sites shall be in accordance withthe NZTA Code of Practice for Temporary Traffic Management, including the Local Roads Supplement;

(v) subject to the approval of individual farmers, the Consent Holder shall supply andinstall remotely operated flashing amber lights at regularly used stock crossingson the roads defined for maintenance in the conditions of consent. The ConsentHolder shall not be responsible for the operation of the lights, but shall be requiredto maintain them for the duration of the construction project;

(vi) signs shall be erected advising all drivers of a channel for CB communication inthe area east of Alfredton;


17

(vii) subject to monitoring, additional pull over bays may be constructed whererequired on the turbine component transport route to facilitate passing.

5.7 Monitoring�

Monitoring of public roads and traffic management is to be undertaken as indicated in Table 1.

MONITORING FREQUENCY REPORTING

Traffic movements through Wind FarmAccess Points, including date, time,driver, vehicle type, number ofpassengers, Wind Farm Access Pointused

Continuously Monthly, to Tararua and Masterton DistrictCouncils

Safety and effectiveness of temporarytraffic management at public roadimprovement sites

Daily when working Weekly, to Project Manager

Safety and effectiveness of temporarytraffic management at public roadimprovement sites and management ofconstruction traffic as a whole

Weekly Monthly, to Tararua and Masterton DistrictCouncils

Condition of Waitahora Valley Roadbetween Waitahora Road and Site,including checks for ruts, pot holes,flushing and bleeding, and the conditionof the whole oversize vehicle routebetween SH2 and the Site during theturbine component delivery phase

Weekly Monthly, to Tararua and Masterton DistrictCouncils

Safety and effectiveness of oversize loadpiloting procedures

Once, at start of turbine delivery

Within a week to Project Manager, NZTAand Tararua and Masterton District Councils

Structural condition of bridges As required byoverweight load permits

As required by permits, to NZTA andTararua and Masterton District Councils

Register of incidents and publiccomments/complaints

Continuously Weekly, to Tararua and Masterton DistrictCouncils

Serious incidents, including thoseinvolving any injuries

As they arise Immediately to Project Manager andTararua and Masterton District Councils

Table 1: Public Road and Traffic Management Monitoring

5.8 Incident�Reporting�(i) road incidents must be reported, including:

- any road crashes, including damage only;

- any near misses, which includes occurrences where evasive action wasrequired by one or more parties and/or where heavy braking was required;and

- any breakdowns or similar requiring a recovery vehicle;

(ii) incidents shall be recorded in the register along with all comments and feedbackreceived from the public;

(iii) serious incidents, including those involving any injuries, must be reported immediately to the project manager and Tararua and Masterton District Councils;


18

(iv) the register shall be reviewed weekly by the project manager and any correctiveactions recorded. The register shall then be forwarded to Tararua and MastertonDistrict Councils weekly.

5.9 Communications�(i) the Consent Holder shall ensure the relevant provisions of the CTMP and road

safety issues are included in the Site induction and regular “toolbox talks”;

(ii) subject to the approval of school bus service operators and individual residents, the Consent Holder shall supply and install CB radios for school buses on roadssubject to a maintenance or traffic management control due to the CHWF, to enable communication with construction traffic and the gate house;

(iii) a freephone number shall be established for public enquiries relating to any aspect of the project including comments on driver behaviour;

(iv) vehicles which are committed to the CHWF construction project shall have the freephone number displayed, along with a vehicle identification number for use in any public feedback regarding driver behaviour;

(v) the freephone number shall also be available to be used:

- to note any issues relating to temporary traffic management at public roadimprovement sites, oversize vehicle movement, or construction traffic management in general;

- to notify the project team of any planned stock movements along or acrossWaitahora Road or Waitahora Valley Road; and

- to notify the project team of any events or activities around which constructiontraffic should be arranged

(vi) where information is to be relayed back to project drivers, it shall be done bynotifying the security guard at the gate house (Siteaccess point), who will in turn advise drivers when they radio in from the town departure, or when they drive outof the Site;

(vii) copies of the CTMP shall be provided to at least the following:

- consents manager, Tararua and Masterton District Councils;

- roading manager, Tararua and Masterton District Councils;

- regional state highways manager, NZ Transport Agency;

- NZ Police;

- NZ Fire Service ;

- St Johns Ambulance;

- Alfredton primary school;

- List other identified schools here;

- List VET Services here;

- List commercial carriers here;

- Rural Fuel;

- Allied Petroleum;


19

- BP;

- Transport Officer, School Support Ltd, Napier;

- Castle HillCHWF Community Liaison Group; and

- shall be made available on a digital media site for general access.

(viii) any updates to the plan, as approved by Tararua and Masterton District Councils,shall be provided to the above.

6. Presentation�

The CTMP is to be well presented in a format that clearly and efficiently conveys the informationto the range of recipients included on the distribution list.

If appropriate, a summary shall also be prepared for wider distribution.

Traffic Design Group Ltd July 2011



Appendix P: Draft Archaeological Accidental Discovery Protocol

The overarching approach to Accidental Discovery of Archaeology is outlined below:

1. Genesis Energy will, in consultation with Rangitane o Tamaki Nui a Rua, Rangitane o Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua prepare an Accidental Discovery Protocol prior to the commencement of any earthworks activities for the wind farm. The protocol shall be in place for any earthmoving or ground modification that occurs during the construction and operation of the wind farm. The protocol shall clearly set out the steps to be taken (in accordance with 2), including any site walkovers, inspections or ceremonies that may be carried out by representatives of Rangitane o Tamaki Nui a Rua, Rangit ne o Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua prior to any works authorised by this consent commencing, or in the event of any archaeological sites, taonga (treasured or prized possessions, including Maori artefacts) or koiwi (human remains) being discovered at any time.

2. If any archaeological site, taonga or koiwi is discovered during the works authorised

by this consent, Genesis Energy shall immediately cease work at the affected site. Genesis Energy shall notify Rangitane o Tamaki Nui a Rua, Rangitane o Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua the Historic Places Trust, and in the case of koiwi, the Police, and shall not recommence works in the area of the discovery until the relevant Historic Places Trust and Rangitane o Tamaki Nui a Rua, Rangitane o Wairarapa, Ngati Kahungunu ki Wairarapa and Kahungunu ki Tamaki Nui A Rua approvals to damage, destroy or modify such sites have been obtained, and Tararua District Council and Masterton District Council (in consultation with Manawatu-Wanganui Regional Council and Greater Wellington Regional Council) has given authorisation to recommence the activities.

A draft outline of the protocol is set out as follows:

• Evidence of archaeological sites can include oven stones, charcoal, shell middens, ditches, banks, pits, and old building foundations, artefacts of Maori and European origin or human burials.

• Is any archaeological site(s) are uncovered during physical works, Genesis Energy will require the Contractor to adopt the following protocol.

• Work shall cease immediately at that place (“the affected area”)

• The contractor must shut down all machinery, secure the Site and advise Genesis Energy.

• Genesis Energy shall advise the project archaeologist, Historic Places Trust, relevant iwi authorities, Tararua District Council, Masterton District Council, Manawatu-Wanganui Regional Council and Greater Wellington Regional Council.


• If skeletal remains are uncovered, the Genesis Energy will also advise the Police.

• A site inspection will be undertaken with relevant iwi authorities.

• Materials discovered will removed by relevant iwi authorities responsible for the tikanga appropriate to their removal and preservation, or re-interment.

• Works affecting the site shall not resume until the NZ Historic Places Trust, the Police, (if skeletal remains are involved) and Iwi Authority representatives have each given the appropriate approval for work to continue.

Contact details are included in Table X.

Table [X]: Organisation Contact Details

Organisation and Representative Contact Details

Genesis Energy Project Manager

Project Archaeologist

Historic Places Trust

Rangitane o Tamaki Nui a Rua

Rangit�ne o Wairarapa

Ngati Kahungunu ki Wairarapa

Kahungunu ki Tamaki Nui A Rua

Tararua District Council

Masterton District Council

Manawatu-Wanganui Regional Council

Greater Wellington Regional Council.

Training Procedures for All Contractors All people (main contractors staff, sub-contractors, Genesis Energy staff and technical advisors, and Council staff) working on the Site will be required to go through a Site induction process, which will include training on the accidental discovery of cultural or archaeological sites or material.


Appendix Q: Biodiversity Management – Habitat Management Plan(s)

Purpose To guide the permanent protection and ongoing improvement of an area of approximately 210 ha of early successional indigenous vegetation in a staged manner. Objectives To achieve ongoing successional development of an area of indigenous vegetation set aside as mitigation for vegetation clearance as a result of development of the CHWF (to be subject to permanent legal protection). Proposed Content

• Introduction.

• Objectives.

• Site(s) to be protected.

• Legal protection mechanism(s).

• Fencing: Construction, monitoring, maintenance.

• Pest Animal Control: Species to be controlled, control targets, monitoring, reporting requirements.

• Pest Plant Control: Species to be controlled, control targets, monitoring, reporting requirements.

• Enrichment Planting: Species, maintenance, monitoring.

• Vegetation Monitoring: Walk-through inspections, vegetation RECCE plots.



• Other relevant matters.

• Term of plan.


Appendix R: Biodiversity Management – Riparian Protection Plan

Purpose To guide the physical protection of stream riparian margins required to minimise aquatic effects. Objectives To ensure that implementation of riparian protection is achieved in a staged fashion as the wind farm is constructed. Proposed Content

• Introduction.

• Priority catchments for riparian protection.

• Criteria for selection of riparian protection sites.

• Standards for riparian fencing, including minimum riparian buffers.

• Minimum lengths of stream to be protected.


• Term of plan.


Appendix S: Biodiversity Management – Goat Control Plan

Purpose To provide coordinated management of feral goats across all properties associated with the CHWF. Objectives To reduce feral goats to very low levels within five years, with an overall objective of eradication. Proposed Content

• Introduction.

• Scale of problem.

• Strategic approach.

• Hunting programme.

• Monitoring.



• Term of plan.


Appendix T: Biodiversity Management – Avifauna Monitoring Plan

Purpose To provide and implement a technically rigorous monitoring programme for birds at the CHWF site. Objective To assess potential collision effects resulting from construction and operation of the CHWF. Proposed Content

• Introduction.

• Methods.

• Pre-construction monitoring:

o Flight paths;

o Five-minute bird counts.

• Post-construction monitoring:

o Flight paths.

o Five-minute bird counts.

o Carcass searches (discuss the use of search dogs).

o Searcher efficiency checks.

o Bird removal trials (checking on rate of scavenging and decomposition).

o Protocols for dealing with injured birds (including contacts).

o Protocols for dealing with threatened or banded birds (including contacts).

• New Zealand Falcon.

o Protocols for dealing with nests found during construction.

o Peer review process.

• Contingency strategies (to be triggered if targets and/or timelines are not achieved).

• Reporting.


Appendix U: Biodiversity Management – Bat Monitoring Plan

Purpose To provide and implement a technically rigorous monitoring programme for bats at the CHWF site. Objective To assess potential collision effects resulting from construction and operation of the CHWF, and manage construction activities near identified bat roosts. Proposed Content

• Introduction.

• Methods.

• Protocols for dealing with any bat roosts discovered.

o During construction.

o During post-construction monitoring, such as implementing targeted predator control.

• Carcass searches (if search dogs are used for avifauna monitoring then it may be possible to locate bat carcasses)

o Protocols for dealing with injured or deceased bats (including contacts).

• Automatic batbox deployment in lower Pati Tapu Bush (suggest annual for first 3 years during Dactylanthus flowering, and then every 2 years for next 3 occasions and then 5 yearly thereafter for duration of windfarm operation – the detection rate would give an indication as to how the bat population is changing).

• Peer review process.


• Reporting.


Appendix V: Biodiversity Management – Lizard Monitoring Plan

Purpose To ensure that development of the CHWF minimises effects on lizards. Objectives To minimise construction effects by identifying and manage lizards and lizard habitats. Proposed Content

• Introduction.

• Methods.

• Protocols.

o Pre-construction searches of likely sites

o Lizards found during construction.

• Handling permits.

• Translocation protocols.

• Reporting.


Appendix W: Biodiversity Management – Predator Control Plan

Purpose To undertake intensive predator control to enhance the prevalence and success of forest bird species. Objectives To achieve intensive predator control over specific high value areas of indigenous forest over the life of the CHWF. Proposed Content

• Introduction.

• Species to be controlled.

• Monitoring.

• Target levels for species to be controlled.

• Bird counts (annual for first three years then two yearly for next three occasions)


• Reporting.


Appendix X: Biodiversity Management – Vegetation Management Plan

Purpose To guide the implementation of vegetation clearance or trimming required to maintain transmission line clearances or for wind flows (one turbine only). Objectives To minimise clearance requirements and adverse effects for indigenous vegetation. Proposed Content

• Introduction.

• Sites to be affected.

• Objectives.

• Transmission lines - approach to be used.

• Clearance for wind flows (potentially one site only) - approach to be applied.

• Reporting.


Appendix Y: Operational Noise Management Plan (ONMP)

Purpose The purpose of this Operational Noise Management Plan (ONMP) is to describe the means by which noise effects arising from the operation of the Castle Hill Wind Farm (CHWF) will be avoided, mitigated or remedied, to describe the means of monitoring compliance with noise conditions, and to describe a mechanism by which any noise complaints related to Operation will be received and addressed. Objectives The objectives of this ONMP are as follows:

• Describe the noise limits which apply to noise sensitive locations near the Wind Farm.

• Describe the activities which will produce noise at dwellings, and describe the likely noise levels times for which this will occur.

• Describe the method of monitoring noise levels to ensure that noise limits are met.

• Designate persons responsible for liaising with the community, both to inform the community of operational activities and to receive and respond to any complaints.

• Describe a procedure for response to complaints.

• Describe the responsibilities of the Wind Farm operator in reporting to the TDC and MDC.

Proposed Content Noise Limits The noise limits which apply to this Wind Farm are described in detail in the Final Operational Noise Assessment Report (FONAR). In general the limit on noise from wind turbines is 40 dB LA95 at the notional boundary of dwellings, although at x specific locations this limit rises with increase wind speeds as discussed in the FONAR. Noise from vehicles on Site and fixed plant including substations and etc are those described in the Conditions of Consent, which relate to the permitted activity noise limits in the District Plans. Noise Producing Activities Wind Turbines


Noise is produced by wind turbines when they operate, with noise output level depending on wind speed. The wind turbines used in the CHWF are xxx model yyy which produce a peak noise output of xx dB Lw. The turbine operate in the wind speed range of xx and yy. The operational mode of the turbines are xx during condition A and yy during condition B. Substations On-site Vehicles Maintenance Facility Activities Others as Applicable Noise Monitoring Noise monitoring for compliance testing purposes shall be carried out within xx months of the completion of the Wind Farm, [or of each stage of the wind farm… details to be determined]. All noise monitoring shall be carried out in accordance with the relevant clauses of NZS6808:2010, and compliance testing shall be reported in accordance with the requirements of that standard. Liaison Ongoing communication between the Council and the Community and Genesis Energy forms a useful part of the management of noise effects and provides input into any future review of consent conditions. Complaint history shall be maintained by TDC and MDC and made available for consideration upon request. A 6-monthly newsletter shall be placed in the local newspaper by Genesis Energy during the first two years of operation. The newsletter shall include updates on the development and operation of the wind farm, results of compliance testing, and shall provide contact details for the Community to communicate with Genesis Energy. Complaints Procedure Any noise complaints may be directed to the Community Liaison Manager. Complaints shall be responded to within 24 hours. The response shall include an investigation of the noise produced at the time of the complaint, and if compliance with consent conditions is uncertain, shall be accompanied by a noise assessment to determine what, if any, additional mitigations should be implemented. The result of the noise assessment shall be reported back to the complainant within xx hours of a determination of the response.


Procedures for Investigation of Complaints Prior to the receipt of Compliance Testing Report Complaints may be received in the first months of operation of the Wind Farm, prior to the completion and reporting of compliance testing. These complaints may be relevant to compliance testing, and Genesis Energy shall direct its noise consultant to have regard for these complaints and the conditions in which they arise in the compliance assessment. Within three working days of receipt of such a complaint Genesis Energy shall provide a written or emailed response to MDC and TDC advising that this information has been provided to its noise consultant, and an estimate of the date of completion of the Compliance Testing Report, or any other relevant information about the status of compliance testing. The Compliance Testing Report when submitted to the Councils shall include a section discussing complaints received, and describing the actions taken to incorporate these complaints into the assessment methodology. Following the receipt of Compliance Testing Report (demonstrating compliance) Complaints received after the Wind Farm has been demonstrated to be compliant with Consent Conditions may arise from one of two causes:

1. Operational conditions exist which were not considered in the assessment of compliance. This may include a change in noise emissions due to wear or failure of turbine components, or meteorological conditions which were not foreseen, or some other change to the wind farm.

2. Resident satisfaction is not addressed by confirmation of compliance with consent

conditions. On receipt of a complaint it may not be possible for the Council to determine which of these two categories the complaint falls into. When each complaint is passed to Genesis Energy, its first response shall be to report the wind direction, wind speed, and number of operational turbines at the time of the complaint to the Council, and to provide a statement as to whether this set of conditions has been demonstrated to be compliant. Where conditions arise which have not been considered in the Compliance Testing Report, a suitably qualified and experienced person shall be engaged to assess compliance under these conditions. The results of this assessment shall be provided to TDC and MDC. If non-compliance is demonstrated, remedial steps shall be undertaken as described in the following section. If compliance is demonstrated, then this condition shall not be required to trigger such an investigation following future complaints under similar conditions.


If a number of complaints are received during a specific period under a condition which has previously been shown to comply, the Council may request Genesis Energy to provide evidence (for instance by comparing sound levels near the turbines to those levels produced during compliance testing) that the wind farm noise output has not increased after compliance testing was carried out. If a significant increase is demonstrated under the wind conditions in question, the Council may request that compliance testing be repeated for that wind condition. If the sound level has not increased by more than 2 dB, then the relevant complaints may be considered to belong to category 2 above. In this latter case the complainants shall be informed that the wind farm has been deemed to be operating within its consent conditions, but that the complaints have been permanently logged and will form part of the complaints record. Following receipt by Councils of the required description of operational conditions and intended actions by Genesis Energy (including a timeframe for these actions), a written response shall be provided to each complainant describing this action. This response shall be provided within one week of the complaint. It is acknowledged that if the noise event is caused by unusual meteorological conditions, the timeframe for assessment of that condition may be dependent upon these conditions re-occurring. Remediation Measures Should non-compliance be demonstrated, the operation of the wind farm shall be ceased or modified until modifications are made to reduce noise. These modifications may include modifications to turbines, cessation or modification of operation of certain turbines during certain wind conditions, or improvements to sound insulation at affected properties, or other treatments. Resumption of operation shall be subject to the demonstration of compliance. Prior to the re-commencement of operation, a report shall be provided by Genesis Energy to TDC/MDC describing the remedial steps taken and demonstration of compliance. This information shall be reported to the complainant(s) who were affected by the original noise event.


Appendix Z: Spill Response Plan (SRP)

Purpose To manage any spills of hazardous substances during construction of the CHWF. Objectives To provide the information needed to be prepared for, respond to and clean up any spills of hazardous substances during construction of the CHWF. Proposed Contents

• A list of hazardous substances (and associated quantities) that will be stored or transported as part of construction of the CHWF.

• MSDS sheets for the substances.

• Plan(s) showing storage locations and location of spill kits.

• Plan(s) showing potentially sensitive receiving environments on-site (e.g. waterways).

• Level 3 Emergency Response Plans (ERP) in compliance with HSNO (emergency management) regulations 2001 for any On-site bulk storage of substances that exceed HSNO (quantity) thresholds. Any ERP required for the site would be prepared in accordance with the ERMA/Department of Labour Approved Emergency Procedures and would comply with the requirements of HSNO (emergency management) regulations 2001 as well as the Responsible Care NZ Draft Code of Practice for Preparing for Chemical Emergencies.

• Substance-specific spill response plans (SRP) for small and medium scale spills (refer to attached examples for small scale diesel/oil spill and medium scale concrete spill).

• Spill event reporting/notification requirements.


SPILL RESPONSE PLAN – SMALL DIESEL/OIL SPILL (LESS 10 L)

(1) BE SAFE

1. Turn off all ignition sources.

2. Put on gumboots or suitable footwear.

3. Wear Nitrile or appropriate chemical resistant gloves (i.e. PVC) from spill response kit.

4. Obtain MSDS for product for specialist advice.

(2) STOP THE SOURCE Quickly control the spill by stopping or securing the spill source. This could be as simple as up-righting a container, turning off the equipment, plugging the leak or using absorbent pads to soak up any spilled material.

(3) PROTECT WATERWAYS

1. Identify nearest waterway (see xxxxx plan).

2. Determine if spill could potentially enter waterway.

3. Place booms or sorbent pads/material (sawdust, zeolite, etc) over top of spilt material to soak it up.

(4) NOTIFY 1. Notify your supervisor/site foreman/ manager of spill.

2. If Spill has entered waterway –contact Horizons Regional Council

3. 0508 800 800 (ask for Pollution Hotline)

4. Contact xxxx for any specialist advice or assistance call:Xxx xxxx xxxxx

5. Contact sucker truck contractors (Call xxxxxxxxxxx) remove any spill material in contaminant system or waterways.

(5) CLEAN UP Place contaminated soil and absorbents into secure containers.

Use spade or shovel to remove any stained soil from the ground.

NEVER wash diesel into waterways.

(6) DISPOSE RESPONSIBLY

Spill material and used absorbent material and pads are hazardous waste. Arrange for hazardous waste contractor (<insert name of company> <insert contractor phone>) to dispose of material.

(7) RESTOCK AND REVIEW

1. Immediately replace all used clean-up material (<insert name and contact details of company supplying spill kit>)

2. Assess the cause of spill and take any steps necessary steps necessary to prevent re-occurrence.

3. Have a site meeting to discuss the reason of spill. File Health, Safety and Environment Alert Notice to other contractors of incident.


SPILL RESPONSE PLAN – MEDIUM CONCRETE SPILL (up to 200 kg)

(1) BE SAFE

1. Put on gumboots or suitable footwear.

2. Wear Nitrile or appropriate chemical resistant gloves (i.e. PVC) from spill response kit.

3. Obtain MSDS for product for specialist advice.

(2) STOP THE SOURCE Quickly control the spill by stopping or securing the spill source. This could be as simple as up-righting a container, turning off the equipment, plugging the leak or using absorbent material (sand, sawdust, earth, zeolite) to soak up any spilled material.

(3) PROTECT WATERWAYS

1. Identify nearest waterway (see xxxxx plan).

2. Determine if spill could potentially enter waterway.

3. Place sorbent material over top of spilt material to soak it up.

4. Consider making a cut off ditch and/or earthen bunds to protect water courses.

5. If concrete has entered waterways call sucker truck to remove material.

(4) NOTIFY 1. Notify your supervisor/site foreman/ manager of spill.

2. If spill has entered waterway –contact Horizons Regional Council

3. 0508 800 800 (ask for Pollution Hotline).

4. Contact xxxx for any specialist advice or assistance call: xxxxxxxxx

5. Contact sucker truck if waterway contaminated or to remove diesel/oil in cut off ditches or contaminate systems.

(5) CLEAN UP Place contaminated soil and absorbents into secure containers for off-site disposal.

Use spade or shovel to remove any stained soil from the ground.

NEVER wash diesel into waterways.

(6) DISPOSE RESPONSIBLY

Spill material and used absorbent material and pads are hazardous waste. Arrange for hazardous waste contractor (<insert name of company> <insert contractor phone>) to dispose of material.

(7) RESTOCK AND REVIEW

1. Immediately replace all used clean-up material (<insert name and contact details of company supplying spill kit>)

2. Assess the cause of spill and take any steps necessary steps necessary to prevent re-occurrence.

3. Have a site meeting to discuss the reason of spill. File Health, Safety and Environment Alert Notice to other contractors of incident.

appendix d environmental management plan...turbines wind turbine generators consisting of...

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