windsor s quarry - increase in production constructions pty...environmental assessment report...

ENVIRONMENTAL ASSESSMENT REPORT

Windsor’s Quarry - Increase in Production

2118 Lyell Highway, Hayes

MSD Constructions Pty Ltd

Board of the Environment Protection Authority

September 2014

Environmental Assessment Report MSD Constructions – Windsor’s Quarry – Increase in production, Hayes

I

Environmental Assessment Report

Proponent MSD Constructions Pty Ltd

Proposal Windsor’s Quarry - Increase in production

Location 2118 Lyell Highway, Hayes

NELMS no. PCE No. 9047

Permit application no. 80/2014 (Derwent Valley Council)

Folder EN-EM-EV-DE-238592

Document. H284591

Class of Assessment 2A

Assessment process milestones

15 April 2014 Notice of Intent accepted

22 May 2014 EER Guidelines issued

21 July 2014 Permit application submitted to Council

23 July 2014 Referral received by Board

02 August 2014 Start of public consultation period

16 August 2014 End of public consultation period


II

Acronyms

Board Board of the Environment Protection Authority

DA

DPIPWE

DVC

EER

Development Application

Department of Primary Industries, Parks, Water and Environment

Derwent Valley Council

Environmental Effects Report

EIA Environmental impact assessment

EMPC Act Environmental Management and Pollution Control Act 1994

EMPCS Environmental management and pollution control system

EPA

EPBC Act

Environment Protection Authority (Division)

Environment Protection and Biodiversity Conservation Act 1999 (Cth)

kV

LUPA Act

kilovolt

Land Use Planning and Approvals Act 1993

MRT

RMPS

Mineral Resources Tasmania

Resource management and planning system

SD Sustainable development


III

Report summary

This report provides an environmental assessment of MSD Constructions Pty Ltd’s proposed increase in production at Windsor’s Quarry, 2118 Lyell Highway, Hayes, from 4,000 to 20,000 cubic metres per annum. This report has been prepared based on information provided by the proponent in the Environmental Effects Report (EER). Relevant government agencies and the public have been consulted and their submissions and comments considered as part of this assessment. Further details of the assessment process are presented in section 1 of this report. Section 2 describes the statutory objectives and principles underpinning the assessment. Details of the proposal are provided in section 3. Section 4 reviews the need for the proposal and considers the alternatives to the proposal. Section 5 summarises the public and agency consultation process and the key issues raised in that process. The detailed evaluation of environmental issues is contained in section 6. The report conclusions are contained in section 7. Appendix 1 contains details of comments made and issues raised in the consultation process. Appendix 2 contains the environmental permit conditions for the proposal. Attachment 2 of the permit conditions contains the table of commitments from the EER. The environmental permit conditions in Appendix 2 are a new set of operating conditions for the entire, intensified activity that will supersede the existing permit conditions.


IV

Table of Contents

1 Approval process ..................................................................................... 1

2 SD objectives and EIA principles .............................................................. 1

3 The proposal ............................................................................................ 2

4 Need for the proposal and alternatives ..................................................... 5

5 Public and agency consultation ................................................................ 5

6 Evaluation of environmental issues .......................................................... 6

7 Report conclusions ................................................................................. 17

8 Report approval...................................................................................... 17


1

1 Approval process

A Notice of Intent in relation to the proposal was lodged with the Board of the Environment Protection Authority (the Board) on 15 April 2014. An application for a permit under the Land Use Planning and Approvals Act 1993 (LUPA Act) in relation to the proposal was submitted to Derwent Valley Council on 21 July 2014. The proposal is defined as a ‘level 2 activity’ under clause 5(a), schedule 2 of the Environmental Management and Pollution Control Act 1994 (EMPC Act), being a quarry extracting any rock or gravel and producing more than 5000 cubic metres or more of rock or gravel per year. Section 25(1) of the EMPC Act required Council to refer the application to the Board of the Environment Protection Authority (the Board) for assessment under the Act. The application was received by the Board on 23 July 2014. The Board required that information to support the proposal be provided in the form of an Environmental Effects Report (EER). A draft of the EER was submitted for comment prior to its finalisation and acceptance. The final EER was submitted to Council with the permit application. The EER was released for public inspection for a 14-day period commencing on 2 August 2014. An advertisement was placed in The Mercury newspaper and a notice was placed on the EPA website. The EER was also referred at this time to relevant government agencies for comment. No public submissions were received.

2 SD objectives and EIA principles

The proposal must be considered by the Board in the context of the objectives of the Resource Management and Planning System of Tasmania (RMPS), and in the context of the objectives of the Environmental Management and Pollution Control System (EMPCS) (both sets of objectives are specified in Schedule 1 the EMPC Act). The functions of the Board are to administer and enforce the provisions of the Act, and in particular to use its best endeavours to further the RMPS and EMPCS objectives. The Board must undertake the assessment of the proposal in accordance with the Environmental Impact Assessment Principles defined in Section 74 of the EMPC Act.


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3 The proposal

The main characteristics of the proposal are summarised in Table 1. A detailed description of the proposal is provided in Part C of the EER. Table 1: Summary of the proposal’s main characteristics

Activity

Extraction, ripping and crushing of a maximum of 20,000 cubic metres of sand and gravel per annum.

The strategy for gravel extraction is to develop a second bench when the limit of the current face is reached

within the current quarry layout. The extent of the current face is limited by the position of a high‐voltage power line. The same infrastructure will be utilised when the second bench is opened including the car parks, Access Road and sediment pond.

Location and planning context

Location 2118 Lyell Highway, Hayes, as shown in Figure 1

Land zoning Agriculture and General Rural under the New Norfolk Planning Scheme 1993

Land tenure Private land

Mining lease 1889/PM

Lease area 4 hectares (disturbed area – permitted under Mining Lease – 2 hectares)

Bond $7000 (held by MRT)

Existing site

Land Use Level 1 quarry – 4,000 cubic metres per annum

Topography The Land Capability recorded by DPIPWE in the area is 4 and 6 however the steep terrain, shallow skeletal soils and rockiness of the soil at the quarry would make a Land Classification of 5 more appropriate. (p10)

The eastern side of the quarry is within the Medium Hazard Band for landslide potential which is in part due to the very steep slopes (>26 degrees) along the western side of the Access Road into the quarry. (p10)

Geology Jurassic dolerite with small areas of Triassic mudstone (p 10)

Soils Thin clay-loam soil derived from weathering of bedrock (p10)

Hydrology The quarry occurs within the Johnnys Creek catchment (p16).

The majority of rain water drains through the quarry floor. During high rainfall periods water is collected into a small informal sediment pond at the northern extent of the Mining Lease which drains into the adjacent pasture (to the north of the Mining Lease).

The access road is drained by a spoon drain system and then into a dam adjacent to Johnnys Creek via a culvert under the access road (p11).

Flora & Fauna No threatened flora, fauna or ecological communities are present (p15).

A number of declared weeds are present at the site and currently managed through an informal weed spraying program (p16).

Local region

Climate Climate data from Bushy Park (closest meteorological station from Hayes according to the Bureau of Meteorology) indicates a rainfall of approximately 570mm per annum. Wind direction is predominantly north westerly.


3

Surrounding land zoning, tenure and uses

Agriculture and General Rural under the New Norfolk Planning Scheme 1993. The quarry is part of the ‘Springfield’ farming property. The ‘Springfield’ residence is located 530 metres south of the quarry on the other side of the rock face and is accessed by the same road as the quarry.

Species of conservation significance

None identified

Proposed infrastructure

Major equipment Rig, crusher, wheel loader and trucks (as required for transport of material)

Other infrastructure

None

Inputs

Water Some water may be required for dust suppression during dry weather (p18).

Energy None

Other raw materials

None

Wastes and emissions

Liquid Stormwater

Atmospheric Dust from internal and external traffic, and blow-off from stockpiles.

Solid General refuse including food scraps, paper and packaging.

Controlled wastes

Waste engine oil; contaminated soil.

Portable chemical toilet to be used when operations are being undertaken will generate sanitary waste.

Noise From screening equipment, excavator on site, and vehicles on site and going to and from the site.

Greenhouse gases

Produced from machinery and vehicles

Operations

Proposal timetable

Increased production will commence on gaining approval and in response to relevant contracts.

Operating hours (ongoing)

0700 to 1900 hours Monday to Friday

0800 to 1600 hours Saturday


4

Figure 1: Location Plan (Figure 1 of the EER)

Figure 2: Site Plan (Figure 6b of the EER)


5

4 Need for the proposal and alternatives

MSD Constructions Pty Ltd has operated the quarry at ‘Springfield’ for nearly six years (effective 29 October 2008) providing a selection of construction materials. The quarry is operating under permit DA 176/2008 issued by the Derwent Valley Council as a Level 1 Activity under EMPCA. An Extractive Industry is a permitted use under the New Norfolk Planning Scheme in the Agriculture and General Rural Zones. The project is to increase the volume of gravel material able to be produced and transported from Windsor’s Quarry from 4,000 to 20,000 cubic metres of material produced per annum. The quarry will regularly produce between 6,000 and 10,000 cubic metres of material per annum. The requested 20,000 cubic metre annual production limit will cover these regular annual production levels and allow flexibility to quickly respond to future local demand, market conditions and specific projects (e.g. major road upgrades). No alternatives to the proposal were proposed or considered.

5 Public and agency consultation

A summary of the government agency/body submissions is contained in Appendix 1 of this report. No public representations were received. The EER was referred to a number of government agencies/bodies with an interest in the proposal. Responses were received from the following:

Transport Infrastructure Services Division, Department of State Growth (Traffic Management)

Mineral Resources Tasmania, Department of State Growth (active Mining Lease) The following Divisions/areas of the Department of Primary Industries, Parks, Water and Environment also provided submissions on the EER:

Noise Specialist, EPA Division

Regulatory Officer, Mining and Extractive Industries, Environmental Operations Branch, EPA Division


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6 Evaluation of environmental issues

The quarry is an existing operation; having been operational for 6 years, at which it is now proposed to increase the annual production of gravel material. Environmental issues considered relevant to the proposal have been evaluated by the EPA. This includes the consideration of noise in relation to residential premises, including one which is located within the Quarry Code of Practice attenuation distance; the management of current and future stormwater issues; and the use of public roads for the transporting of materials. Details of this evaluation, along with the permit conditions required by the Board, are detailed in the Issues tables below.


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Issue 1: Stormwater

Description of potential impacts

During periods of heavy or sustained rainfall ponding occurs within the quarry floor. A small informal sediment pond at the northern extent of the Mining Lease captures runoff, and ultimately drains into the adjacent pasture.

The Access Road is drained by a spoon drain system (western side of road) and then into a dam adjacent to Johnnys Creek via a culvert under the Access Road. The ‘lip’ of the Access Road near the car parking area splits the flow of water into the quarry and spoon drain. Currently, part of the quarry floor drains into the spoon drain of the roadside because it extends past the ‘lip’ into the quarry.

The proposed increase in production is not expected to significantly alter the layout of the quarry or increase the area of cleared land. However, current stormwater management issues during high rainfall events are likely to continue without formalisation and/or improvements to the current stormwater management system.

Management measures proposed in EER

According to the EER (p13) the quarry floor itself will form a component of water control measures and sediment control in the quarry. When possible a void or collection area will be maintained by slightly sloping the floor back towards the quarry face to enable stormwater to firstly pool within the quarry floor before it accumulates enough to cause surface flow to the sediment pond (Commitment 2).

The sediment pond at the northern extent of the Mining Lease will be formalised to have an appropriate inflow and outflow location (Commitment 3). The drainage around the quarry face will also be formalised such that all water draining around the active quarry area will be directed to natural locations (Commitment 4). The catchment of the sediment pond will be approximately 1.7 hectares.

The maintenance of a void which collects water (and sediment) within the quarry or quarry floor and the maintenance and expansion of the existing sediment pond on the site which can be further excavated as the quarry floor is lowered to the next bench will occur (Commitment 11).

All water from the quarry floor will be directed back into the quarry, with none exiting via the Access Road spoon drain (Commitment 10). The roadside spoon drain will continue to collect and divert water down the roadside into the dam adjacent to Johnnys Creek.

Water from rainfall and drainage in the sediment pond catchment will be directed to the sediment pond which has been sized to accommodate a 1 in 20 year rainfall event.

Commitment 12 of the EER states that ‘sediment trapped by the pond will be cleaned out either on a 12 monthly basis, at 15% storage volume and/or after intense/prolonged rainfall events. The collected sediment will be mixed with stockpiled top soil for progressive rehabilitation of disused quarry areas.’

Public and agency comment

Comments from MRT indicate they are supportive of preventing discharge of surface water from the quarry floor to a dam adjacent to Johnny’s Creek by modifying a spoon drain, and the implementation of more deliberate works to capture and treat stormwater from the quarry open area.

Evaluation

The implementation of stormwater management measures as detailed in EER commitments 2, 3, 4, 10, 11 & 12 are considered appropriate to manage stormwater at the site. Conditions E1 and E2 are considered appropriate to managing stormwater by requiring prevention of polluted stormwater discharging from the land and require the construction of perimeter drains to prevent surface water from entering the entering the area of the activity.

Conclusion


8

The proponent will be required to comply with the relevant EER commitments detailed in the Evaluation section.

The proponent will be required to comply with the following standard (generic) conditions:

G4 Commitments

E1 Stormwater

E2 Perimeter Drains


9

Issue 2: Noise


The proposal has the potential to increase the noise impacts from the quarry activities as a result of more frequent use of on-site equipment, such as the rig and crusher, and an increase in vehicle movements accessing the site.


The Project Description section of the EER states that operating hours will continue to be the current operating hours – 0700 to 1900 hours Monday to Friday, 0800 to 1600 hours on Saturday; closed on Sunday and public holidays.

Commitment 18 of the EER states that a ‘Complaints Register will be established and maintained by the quarry operator to record and address any complaints made about the activities in or directly related to the operation of the quarry’.


No comments

Evaluation

Most material is extracted from the quarry on a demand basis. Therefore periods of high activity and the number and frequency of trucks to the quarry tends to be concentrated in short periods where a particular job is being carried out. Regular small gravel loads are extracted from the

quarry to cater for small operations such as small‐scale road maintenance like pothole filling and is consistent with the current quarry activity.

The nearest permanent residence is located 530 metres south of the Mining Lease boundary, which is within the attenuation distances specified in the Quarry Code of Practice. This residence is owned by the landowner of the property on which the Mining Lease occurs and a current landowner compensation agreement is in place. The second nearest residence is 760 metres to the south‐west, which is beyond the attenuation distances, and located on the other side of the rock face from the quarrying activity.

Information on the noise output of equipment from Windsor’s Quarry was provided as Supplementary Information to the EER. This information was reviewed by the EPA Division’s noise specialist who advised that impacts to nearby residents were unlikely from the proposed expansion.

The proposed quarry expansion plan (Figure 6d – submitted as part of the clarification) also highlights that Area 2 of the quarry expansion will involve lowering the quarry floor and therefore further reduce the potential for noise impacts at the nearest residence.

Activities at the quarry and most truck movements are projected to occur between 0700 and 1800 hours on Monday to Friday with low volume movements after that time and on Saturday which is consistent with the Quarry Code of Practice. This will be controlled through condition N1. Compliance with the Quarry Code of Practice is required under condition G5.

The implementation of a complaints register as required under condition G3 is also considered appropriate to manage any noise impacts identified during operation of the quarry.

Conclusion


G3 Complaints Register

G5 Quarry Code of Practice

N1 Operating hours


10

Issue 3: Flora, fauna and habitat


Vegetation within the quarry footprint is cleared and defined on TasVeg 3.0 as Extra urban miscellaneous. Surrounding vegetation is classified as Agricultural land. An ecological assessment of the site identified no threatened flora, fauna or ecological communities were present and therefore impacts are considered unlikely. The layout will not be altered significantly despite an increased production level, as the pit is constrained in both its size and direction of quarrying by the adjacent high voltage power lines. No clearance of vegetation is proposed.


As impacts to flora and fauna are considered unlikely based on the information contained in the EER, no management measures are proposed in the EER.


No comments.

Evaluation

Based on the information provided in the EER impacts on threatened flora, fauna or ecological communities are considered unlikely.

Conclusion

No management measures or conditions required.

Issue 4: Weed Management


The EER identified that declared weeds are present at the quarry and are currently being managed through an informal weed spraying program. Increased production at the quarry is likely to increase the number of vehicles that access the site and therefore the potential for spreading of weed species.


A Weed Management Plan has been prepared for the quarry (Appendix 3) and will be implemented as part of the expanded operation (Commitment 8).


MRT comments indicate they are supportive of a weed management plan at the site.

Evaluation

The EER identified the presence of declared weeds within quarry footprint and that weed management is already occurring at the site. The potential for the spread of these weeds and the introduction of other weeds is likely to be minimised through ongoing weed management practices. Standard weed management condition OP1 is considered sufficient to allow appropriate management.

Conclusion


OP1 Weed Management


11

Issue 5: Air Quality


Potential sources of dust within the quarry operation are from:

The ripping and crushing of rock;

The removal of vegetative cover and stripping of topsoil (very limited as the footprint will not increase significantly from its current extent);

The movement of rock and gravel within the quarry by machinery;

Road (gravel) use in and next to the quarry; and

Stockpiled gravel and fines.

An increase in production at the quarry is likely to increase the potential for dust to be produced within the quarry footprint and along the unsealed access road.


The EER states that ‘In dry weather water from a nearby dam or on‐site water cart truck will be used to dampen the road surface, area near the stockpiles and loads in trucks (unless they are covered by tarpaulins).’ This forms Commitment 13 of the EER.


MRT comments indicate they are supportive of the dust control and suppression measures proposed for the activity.

Evaluation

According to the EER there is no evidence that significant amounts of dust escape from the quarry or Access Road based on an examination of the standing vegetation 50 metres away from the quarry operation. No sensitive receptors are located within a distance that may be impacted by the movement of dust. However, dust is likely to be produced during the operation of the activity and transport of materials and requires management to prevent impacts on and off-site. The requirement to cover vehicles and control dust emissions are reflected in condition A1 and A2 and considered suitable for managing dust.

The implementation of a complaints register as required under condition G3 is also considered appropriate to manage any dust impacts identified during operation of the quarry.

Conclusion



A1 Covering of vehicles

A2 Control of dust emissions


12

Issue 6: Traffic Impacts


The proposed increase in production at the quarry is likely to increase the number of vehicle movements accessing the quarry. This has the potential to increase impacts such as dust and noise emissions.


Commitment 18 has relevance to traffic management: a Complaints Register will be established and maintained by the quarry operator to record and address any complaints made about the activities in or directly related to the operation of the quarry.

As does Commitment 13: ‘In dry weather water from a nearby dam or on‐site water cart truck will be used to dampen the road surface, area near the stockpiles and loads in trucks (unless they are covered by tarpaulins).’


Traffic Infrastructure Services Branch of the Department of State Growth provided comment on the EER in relation to traffic management and had no objection in principle to the development application.

Evaluation

Most material is extracted from the quarry on a demand basis. Therefore the number and frequency of trucks to and from the quarry tends to be concentrated to relatively short periods of time. Regular small gravel loads are extracted from the quarry to cater for small operations such

as small‐scale road maintenance like pothole filling and is consistent with the current quarry activity.

Most truck movements are projected to occur between 0700 and 1800 hours on Monday to Friday with low volume movements after that time and on Saturday which is consistent with the Quarry Code of Practice, compliance with which is required under condition G5. No sensitive receptors are located within a distance that may result in impacts from dust and noise from traffic directly related to the quarry.

The implementation of a complaints register as required under condition G3 is considered appropriate to manage any traffic related issues identified during operation of the quarry.

Conclusion



G5 Quarry Code of Practice

Noise and dust management measures and relevant conditions are addressed in Issues 4 and 5, respectively.


13

Issue 7: Waste Management


Inappropriate waste disposal and contamination of land or water.


The EER states that a portaloo will be provided on‐site during periods of high volume extraction. Its contents will be collected and disposed of at an approved sewage processing facility (commitment 14). The EER also details that waste generated by workers from general refuse will be removed each day (Commitment 17).


No comments.

Evaluation

Limited waste is expected to be produced in the operation of the activity. The proposed use of a portaloo and removal of general waste at the end of each working day (commitments 14 and 17) is considered appropriate to manage any waste generated.

Conclusion



G4 Commitments


14

Issue 8: Hazardous Substances


Contamination of the site and nearby waterways from chemical or fuel/oil spills.


According to page 17 and 21 of the EER there is to be no permanent storage of chemicals, fuels or oils will at the quarry. This statement is reflected in commitment 9 and 19.

No servicing of equipment is intended to occur on-site (commitment 16) but where fuelling and maintenance of quarry equipment is carried out, a mobile bund will be used (Commitment 9). A spill kit is to be kept at the quarry to clean up any spillages as detailed in commitment 9 and 15.

Where fuel and oil containers are brought onto the site during operational hours the EER states that they will be stored at least 10 m from any watercourse, settling pond or pond and will be bunded to a capacity at least 1.5 times the volume of the container (Commitment 20).


No comments.

Evaluation

The absence of storing chemicals, fuels or oils at the quarry overnight as detailed in commitment 19, the commitment to storing any fuel and oil containers at least 10 metres from any watercourse or pond (commitment 20) and the absence of machinery servicing (commitment 16) are likely to limit the potential for impacts from hazardous materials.

The requirements to manage hazardous substances and use a spill kit are reflected in conditions H1 and H2 and are considered appropriate to manage any fuels or oils stored onsite. Responding to an incident to prevent environment harm or nuisance is required under condition G6.

Compliance with legislation in relation to the storage and handling of hazardous materials is also detailed in the legal obligations condition LO3 in the Schedule 3, Information section of the EPA’s permit conditions.

Conclusion



G4 Commitments

G6 Incident Response

H1 Storage and handling of hazardous materials

H2 Spill kits


15

Issue 9: Decommissioning and Rehabilitation


Cessation of the activity and the demolition of facilities causing impacts to the environment.


According to page 23 of the EER ‘progressive rehabilitation’ will continue at the quarrying operation for those areas that have been quarried and are no longer needed or used for the operation of the quarry. Progressive rehabilitation includes the stabilisation of the landform prior to revegetation and serves to ensure landform stability and revegetation on an ongoing basis. Progressive rehabilitation forms commitment 21 of the EER.

The EER states that the rehabilitation of quarry areas that are no longer being quarried or used for another purpose (such as a stockpile holding area, truck turning bay etc.) will be based on the following principles:

1. Benches prepared for rehabilitation.

2. Final aim is the re‐establishment on an ongoing basis of used quarry areas back to agricultural pasture.

3. Benches ripped or cracked prior to substrate addition.

4. Stockpiled weathered gravel, topsoil (from quarry site) and sediment from sediment interceptors applied to prepared benches.

5. Application of pasture grasses and fertiliser.

6. Monitoring of the following factors:

a. weed infestation;

b. pasture establishment and growth success; and

c. landform stability.

Page 23 of the EER also states that in the event of permanent closure of the facility a detailed Decommissioning and Rehabilitation Plan will be developed and submitted to the EPA for approval. This statement forms commitment 22 of the EER.

The EER states that the plan should include discussion and processes to:

Facilitate the orderly and safe removal of machinery and other equipment;

Establish sufficient vegetative ground cover to minimise dust and soil erosion; and

Establish a monitoring regime that assesses the success or otherwise of the

rehabilitation to agreed (MRT, EPA and MSD Constructions Pty Ltd) sign‐off parameters.


MRT comments indicate they are supportive of the principles/steps proposed in the EER. They indicate that it is anticipated that the current maximum allowable open area (as specified in lease 1889P/M) will be maintained at 2Ha.

Evaluation

The implementation of progressive rehabilitation is considered appropriate to prevent significant environmental impacts in the event of cessation of the activity. This activity is required under conditions DC3 and DC4. Decommissioning and rehabilitation requirements will be stipulated in standard conditions D1 and DC5, and management of temporary cessation will be stipulated under condition DC2, which will be appropriate to ensure that the potential for environmental impacts is minimised.

Conclusion


DC1 Notification of cessation


16

DC2 Temporary cessation of activity

DC3 Progressive rehabilitation

DC4 Stockpiling of surface soil

DC5 Rehabilitation on cessation


18

9 References

Van Dieman Consulting, Environmental Effects Report, Windsor’s quarry, Hayes, An increase to the annual production limit, 6 July 2014.

Supplementary Information provided by Van Dieman Consulting on 27 August 2014.


19

10 Appendices

Appendix 1 Summary of public and agency submissions Appendix 2 Permit conditions, includes Attachment 2 - EER commitments


Appendix 1

Appendix 1 Summary of public and agency submissions

Summary of referral agency comments

Agency EER section no.

Comment

MRT Surface & GW Management

Preventing discharge of surface water from the quarry floor to a dam adjacent Johnny’s Creek by modifying a spoon drain (EER p12) is supported. It is noted that this control measure has been expressed as management commitment 10.

More deliberate works (EER p13) to capture and treat stormwater from the quarry open area are supported. Commitments 2, 3 and 4 relating to site drainage, sediment capture/ removal, pond design and discharge location should be translated into appropriate permit conditions. Pond maintenance and any discharge requirements should also be considered (partly captured by commitment 12).

Rehabilitation

The rehabilitation principles/ steps summarised in the EER (p23) and expressed in management commitments 21 and 22 are supported. It is anticipated that the current maximum allowable open area (as specified in lease 1889P/M) will be maintained at 2Ha.

Transmission Line Management

TasNetwork’s requirements concerning quarry operations near transmission towers and lines are noted and supported.


Appendix 1

Landslip Hazard

Figure 5d highlights that the lease has a low-medium landslide hazard rating, with the highest (medium) hazard band occurring on a southwest-northeast plane. MSD Construction’s commitment 1 to monitor the slope [on the eastern side of the lease, alongside the access track] for signs of slumping and rockfall and seek the advice of suitably qualified persons if either is observed is supported. It is suggested that the wording of the commitment be amended to more explicitly identify the location of the slope/ area (e.g. slope on the eastern side of the lease, alongside the access track) that will be regularly monitored.

Weed Management

Preparation of a Weed Management Plan (Appendix 3) for the site is noted and its implementation is supported.

Air emissions Commitment 13 for dust control/ suppression is noted and supported.

Dangerous Substances & Chemicals

‘Hydrocarbon’ should be inserted into commitment 15, namely ‘…One hydrocarbon spill kit…’. Alternatively, this measure could be included as a standard permit condition.

DIER Part D – Transport Impacts

Stategrowth has no objection in principle to the development application; however the applicant must comply in accordance with the Roads and Jetties Act 1935 Section 16 that no work can be carried out in a State highway or subsidiary road without approval from the Minister's delegate.

A permit must be obtained from Stategrowth. At that time a thorough investigation will be conducted and conditions will apply.


Appendix 2

Appendix 2 Permit conditions - Environmental

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