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Contract No. 1/WSD/13 - Improvement of Fresh Water Supply to Cheung Chau

Quarterly Environmental Monitoring and Audit (EM&A) Report (No.5) –

April to June 2015 AUES

Z:\Jobs\2013\TCS00684(1-WSD-13)\600\Quanterly Report\No.5 - Apr to Jun 15\R00146v2.doc Action-United Environmental Services and Consulting

AUES PROJECT NO.: TCS/00684/13

WSD CONTRACT NO. 1/WSD/13 -

IMPROVEMENT OF FRESH WATER SUPPLY TO

CHEUNG CHAU

QUARTERLY ENVIRONMENTAL MONITORING AND

AUDIT (EM&A) REPORT (NO.4)–

APRIL TO JUNE 2015

PREPARED FOR

CHINA ROAD- CHINA PIPELINE JOINT VENTURE

Quality Index

Date Reference No. Prepared By Approved By

31 July 2015 TCS00684/13/600/R00146v1

Martin Li

Assistant Environmental

Consultant

T.W. Tam

Environmental Team Leader

Version Date Description

1 24 July 2015 First Submission

2 31 July 2015 Amended against IEC’s comment on 29 July 2015





EXECUTIVE SUMMARY

ES.01 Water Supplies Department (hereafter referred as “WSD”) is the Project Proponent and the

Permit Holder of Improvement of Fresh Water Supply to Cheung Chau (hereinafter referred as

“the Project”), which is a Designated Project to be implemented under Environmental Permit

number EP-392/2010/A which superseded EP-392/2010 on 19 December 2014 (hereinafter

referred as “the EP-392/2010/A” or “the EP”).

ES.02 Action-United Environmental Services and Consulting (AUES) has been appointed as the

independent Environmental Team (ET) to implement the relevant EM&A programme. In the

Project, China Road - China Pipeline Joint Venture (hereinafter “CRCPJV”) is the Main

Contractor, SMEC Asia Limited as an Independent Environmental Checker (IEC), and Black &

Veatch Hong Kong Limited is the representative engineer on site to manage the Project. The

Works is predicted to take about 24 months.

ES.03 As part of the project EM&A program, baseline monitoring was carried out by the ET in

accordance with the project EM&A Manual from 4 January to 31 January 2014 to determine

the ambient environmental conditions i.e. noise and marine water quality before commencement

of construction works. The Baseline Report summarized the key findings and the rationale

behind determining a set of Action and Limit Levels (A/L Levels) from the baseline data. It

was submitted on 13 February 2014 and verified by IEC and endorsed by EPD before impact

monitoring commencement on 28 March 2014.

ES.04 A set of A/L Levels serve as the yardsticks for assessing the acceptability of the environmental

impact during the construction phase impart monitoring. They are statistical in nature and

derived according to the criteria set out in the EM&A Manual and are given in the following

tables.

Table ES-1 Action and Limit Levels of Water Quality Monitoring

Impact

Station

Dissolved Oxygen (mg/L) Depth Average of

Turbidity (NTU)

Depth Average of

SS (mg/L) Depth Average of

Surface & Middle Bottom

Action

Level

Limit

Level

Action

Level

Limit

Level

Action

Level

Limit

Level

Action

Level

Limit

Level

W1 5.64 4.54 NA NA 5.87 8.81 7.00 8.00

W2 5.16 5.02 NA NA 5.50 5.66 7.00 8.00

W3 6.18 5.66 5.36 5.05 6.94 7.29 8.00 8.00

W4 5.94 4.95 5.71 5.54 7.50 8.03 7.85 11.57

W5 5.14 5.00 5.79 5.79 5.44 7.43 6.00 6.43

W6 5.92 4.26 6.04 4.49 6.82 7.10 8.00 9.59

W7 6.08 5.78 6.08 5.60 5.71 6.26 7.85 10.00

Table ES-2 Action and Limit Levels of Construction Noise Monitoring

Monitoring Location Action Level Limit Level in dB(A)

Time Period: 0700-1900 hours on normal weekdays

N1 When one or more documented

complaints are received 75 dB(A)

ES.05 This is the 5th Quarterly Environmental Monitoring and Audit Report for the Project, covering the

period from 1 April 2015 to 30 June 2015 (the Reporting Quarter).

ENVIRONMENTAL MONITORING AND AUDIT ACTIVITIES

ES.06 Environmental monitoring activities under the EM&A program in this Reporting Quarter are

summarized in the following table.





Table ES-3 Environmental Monitoring Activities in Reporting Quarter

Issues Environmental Monitoring Parameters / Inspection Occasions

Construction Noise Leq(30min) Daytime 13

Water Quality Marine Water Sampling 36

Inspection / Audit ET Regular Environmental Site Inspection 13

IEC Monthly Environmental Site Audit 3

BREACH OF ACTION AND LIMIT (A/L) LEVELS

ES.07 In this Reporting Quarter, no exceedance of construction noise and marine water quality

monitoring were recorded. No Notification of Exceedance (NOE) was issued. The statistics of

environmental exceedance, NOE issued and investigation of exceedance are summarized in the

following table.

Table ES-4 Summary NOE issued and investigation of exceedance in Reporting Quarter

Environmental Issues

Monitoring Parameters

Action Level

Limit Level

Event & Action

NOE Issued Investigation Corrective

Actions

Construction Noise

Leq(30min)

Daytime 0 0 0 - -

Water Quality DO 0 0 0 - -

Turbidity 0 0 0 -- -

SS 0 0 0 -- - Note: NOE – Notification of Exceedance

ENVIRONMENTAL COMPLAINT

ES.08 No environmental complaint was recorded or received in this Reporting Quarter.

NOTIFICATION OF SUMMONS AND SUCCESSFUL PROSECUTIONS

ES.09 No environmental summons or successful prosecutions were recorded in this Reporting Quarter.

REPORTING CHANGE

ES.10 There were no reporting changes made in this Reporting Quarter.

SITE INSPECTION BY EXTERNAL PARTIES

ES.11 Joint site inspection with EPD was held on 24 April 2015.

FUTURE KEY ISSUES

ES.12 As wet season is approached, water quality mitigation measures to prevent surface runoff into

nearby water bodies or public areas should paid attention. Silt curtain shall be regular to check

and repair if necessary. Moreover, noise mitigation measures should be properly maintained to

prevent construction noise as impacted surrounding resident.





TABLE OF CONTENTS

1.0 INTRODUCTION 1 PROJECT BACKGROUND 1 REPORT STRUCTURE 1

2.0 PROJECT ORGANIZATION AND CONSTRUCTION PROGRESS 2 PROJECT ORGANIZATION AND MANAGEMENT STRUCTURE 2 CONSTRUCTION PROGRESS 2 SUMMARY OF ENVIRONMENTAL SUBMISSIONS 2

3.0 SUMMARY OF MONITORING REQUIREMENTS 3 GENERAL 3 MONITORING PARAMETERS 3 MONITORING LOCATION 3 MONITORING FREQUENCY AND PERIOD 4 MONITORING EQUIPMENT 4 MONITORING METHODOLOGY 6 EQUIPMENT CALIBRATION 7 METEOROLOGICAL INFORMATION 7 DATA MANAGEMENT AND DATA QA/QC CONTROL 7 DETERMINATION OF ACTION/LIMIT (A/L) LEVELS 7

4.0 IMPACT MONITORING RESULTS 9 RESULTS OF WATER QUALITY MONITORING 9 RESULTS OF CONSTRUCTION NOISE MONITORING 10

5.0 WASTE MANAGEMENT 11 RECORDS OF WASTE QUANTITIES 11

6.0 SITE INSPECTION 12

7.0 ENVIRONMENTAL COMPLAINT AND NON-COMPLIANCE 16 ENVIRONMENTAL COMPLAINT, SUMMONS AND PROSECUTION 16

8.0 IMPLEMENTATION STATUS OF MITIGATION MEASURES 17 GENERAL REQUIREMENTS 17

9.0 CONCLUSIONS AND RECOMMENDATIONS 18 CONCLUSIONS 18 RECOMMENDATIONS 18

LIST OF TABLES

TABLE 2-1 STATUS OF ENVIRONMENTAL LICENSES AND PERMITS

TABLE 3-1 SUMMARY OF THE MONITORING PARAMETERS OF EM&A REQUIREMENTS

TABLE 3-2 LOCATION OF MARINE WATER QUALITY MONITORING STATION

TABLE 3-3 LOCATION OF CONSTRUCTION NOISE MONITORING STATION

TABLE 3-4 MONITORING EQUIPMENT USED IN EM&A PROGRAM

TABLE 3-5 ACTION AND LIMIT LEVELS FOR WATER QUALITY

TABLE 3-6 ACTION AND LIMIT LEVELS FOR CONSTRUCTION NOISE

TABLE 4-1 RESULTS SUMMARY OF DEPTH AVERAGE (SURFACE & MIDDLE LAYER) OF DO (MG/L)

TABLE 4-2 RESULTS SUMMARY OF BOTTOM DEPTH OF DO (MG/L)

TABLE 4-3 RESULTS SUMMARY OF DEPTH AVERAGE OF TURBIDITY (NTU)

TABLE 4-4 RESULTS SUMMARY OF DEPTH AVERAGE OF SUSPENDED SOLIDS (MG/L)

TABLE 4-5 SUMMARY OF WATER QUALITY EXCEEDANCE





TABLE 4-6 SUMMARY OF CONSTRUCTION NOISE MONITORING RESULTS – N1

TABLE 5-1 SUMMARY OF QUANTITIES OF INERT C&D MATERIALS

TABLE 5-2 SUMMARY OF QUANTITIES OF C&D WASTES

TABLE 6-1 SITE OBSERVATIONS

TABLE 7-1 STATISTICAL SUMMARY OF ENVIRONMENTAL COMPLAINTS

TABLE 7-2 STATISTICAL SUMMARY OF ENVIRONMENTAL SUMMONS

TABLE 7-3 STATISTICAL SUMMARY OF ENVIRONMENTAL PROSECUTION

TABLE 8-1 ENVIRONMENTAL MITIGATION MEASURES

LIST OF APPENDICES

APPENDIX A PROJECT SITE LAYOUT PLAN

APPENDIX B ORGANIZATION STRUCTURE AND CONTACT DETAILS OF RELEVANT PARTIES

APPENDIX C MASTER AND THREE MONTHS ROLLING CONSTRUCTION PROGRAMS

APPENDIX D MONITORING LOCATIONS DESIGNATED IN THE EM&A MANUAL

APPENDIX E EVENT AND ACTION PLAN

APPENDIX F GRAPHICAL PLOTS OF IMPACT MONITORING

APPENDIX G METEOROLOGICAL DATA

APPENDIX H MONTHLY SUMMARY WASTE FLOW TABLE

APPENDIX I IMPLEMENTATION SCHEDULE FOR ENVIRONMENTAL MITIGATION MEASURES (ISEMM)




Z:\Jobs\2013\TCS00684(1-WSD-13)\600\Quanterly Report\No.5 - Apr to Jun 15\R00146v2.doc 1

Action-United Environmental Services and Consulting

1.0 INTRODUCTION

PROJECT BACKGROUND

1.1 Water Supplies Department (hereafter referred as “WSD”) is the Project Proponent and the Permit

Holder of Improvement of Fresh Water Supply to Cheung Chau (hereinafter referred as “the

Project”), which is a Designated Project to be implemented under Environmental Permit number

EP-392/2010/A which superseded EP-392/2010 on 19 December 2014 (hereinafter referred as “the

EP-392/2010/A” or “the EP”).

1.2 The scope of the works comprises primarily the laying of a new submarine fresh water main across

the Adamasta Channel from Lantau Island to Cheung Chau by horizontal directional drilling

method to enhance the reliability of fresh water supply to Cheung Chau. The Works commenced

on 28 March 2014 and is predicted to undertaken about 24 months. The layout plan of project is

shown in Appendix A.

1.3 Action-United Environmental Services and Consulting (AUES) has been appointed as the

independent environmental team (ET) to implement the relevant EM&A programme of Water

Supplies Department (WSD) Contract No. 1/WSD/13 – Improvement of Fresh Water Supply to

Cheung Chau. In the Project, China Road - China Pipeline Joint Venture (hereinafter

“CRCPJV”) is a main-contractor, SMEC Asia Limited as an Independent Environmental Checker

(IEC), and Black & Veatch Hong Kong Limited is the representative engineer on site to manage the

Project.

1.4 According to the Particular Specification (PS) Section 25 and the EP-392/2010/A, overall scope of

environmental monitoring including construction noise and water quality, and site environmental

audit should be undertaken in accordance with the provided Environmental Monitoring and Audit

Manual by an independent Environmental Team (ET).

1.5 The baseline monitoring program was carried out during the period between 4 January and 31

January 2014 at the designated monitoring locations by the ET according to the EM&A Manual.

The “Baseline Monitoring Report (R0014 Version 3)” had submitted to EPD before

commencement of major construction works and approved by the IEC on 21 February 2014.

Further to CRCPJV’s instructions, the EM&A program was commenced on 1 April 2014 and the

monitoring schedule had been issued to relevant parties on 28 March 2014.

1.6 This is the 5th quarterly Environmental Monitoring and Audit Report for the Project, covering the

period from 1 April 2015 to 30 June 2015 (the Reporting Quarter).

REPORT STRUCTURE

1.7 The Quarterly Environmental Monitoring and Audit (EM&A) Report is structured into the

following sections:-

SECTION 1 INTRODUCTION

SECTION 2 PROJECT ORGANIZATION AND CONSTRUCTION PROGRESS

SECTION 3 SUMMARY OF MONITORING REQUIREMENTS

SECTION 4 IMPACT MONITORING RESULTS

SECTION 5 WASTE MANAGEMENT

SECTION 6 SITE INSPECTIONS

SECTION 7 ENVIRONMENTAL COMPLAINTS AND NON-COMPLIANCE

SECTION 8 IMPLEMENTATION STATUES OF MITIGATION MEASURES

SECTION 9 IMPACT FORECAST

SECTION 10 CONCLUSIONS AND RECOMMENDATION






2.0 PROJECT ORGANIZATION AND CONSTRUCTION PROGRESS

PROJECT ORGANIZATION AND MANAGEMENT STRUCTURE

2.1 Organization structure and contact details of relevant parties with respect to on-site environmental

management are shown in Appendix B.

CONSTRUCTION PROGRESS

2.2 The master and three month rolling construction programs are enclosed in Appendix C and the

major construction activities undertaken in this Reporting Quarter are listed below:-

1 to 30 April 2015

Reaming operation by HDD;

Excavation and pipe laying for landmain construction at Cheung Kwai Road

Preparation of Exit Pit at Ha So Pai

1 to 31 May 2015




1 to 30 June 2015




SUMMARY OF ENVIRONMENTAL SUBMISSIONS

2.3 A summary of the relevant permits, licenses, and/or notifications on environmental protection for

this Project in this Reporting Quarter is presented in Table 2-1.

Table 2-1 Status of Environmental Licenses and Permits

Item Description License/Permit Status

1 Air pollution Control (Construction Dust) Notified EPD on 28/10/2013

Ref. no. 366253

2 Chemical waste Producer Registration Application date: 20/12/2013

Date approved: 30/01/2014

WPN: 8334-920-C3839-01

3 Water Pollution Control Ordinance

(Discharge License)

Application date: 03/01/2014

License no. WT00018191-2014

Valid to 28/02/2019

4 Billing Account for Disposal of Construction

Waste

Application no. :RS01134

Date approved: 1/11/2013

Account Number: 7018602

5 Construction Noise permit Permit Number: GW-RS0475-15

Valid from 11 May 2015 to 10 Nov 2015

6 Environmental Permit Issued by EPD on 19 Dec 2014

Permit Number: EP-392/2010/A

2.4 Baseline Monitoring Report (TCS00684/13/600/R0014Ver.3) for the Project was issued by the ETL

and verified by the IEC on 24 March 2014. The report was also submitted to the EPD for

endorsement.






3.0 SUMMARY OF MONITORING REQUIREMENTS

GENERAL

3.1 The Environmental Monitoring and Audit requirements are set out in the Approved EM&A manual.

Environmental aspects such as the construction noise and marine water quality were identified as

the key issues during the construction phase of the Project. The detailed requirements are

presented in the sub-sections below.

MONITORING PARAMETERS

3.2 The EM&A baseline and impact monitoring program covers the following environmental issues:

• Construction noise; and

• Marine Water quality;

3.3 A summary of the monitoring parameters is presented in Table 3-1:

Table 3-1 Summary of the monitoring parameters of EM&A Requirements

Environmental Issue Parameters

Marine Water Quality

In-situ Measurements

• Dissolved Oxygen Concentration (mg/L);

• Dissolved Oxygen Saturation (% );

• Turbidity (NTU);

• pH value;

• Salinity (ppt);

• Water depth (m);

• Temperature (ºC); and

• # Total residual chlorine (TRC) (mg/L)

Laboratory Analysis

• Suspended Solids (mg/L)

Noise • Leq(30min) during normal working hours; and

• Leq(5min) during Restricted Hours.

# TRC monitoring would be carried out by the Main-Contractor.

MONITORING LOCATION

Water Quality

3.4 Two control stations (W8 and W9) and seven impact stations (W1-W7) were recommended in the

EM&A Manual Section 2.5. Detailed and co-ordinance of water quality monitoring stations is

described in Table 3-2 and the graphical is shown in Appendix D.

Table 3-2 Location of Marine Water Quality Monitoring Station

Station Description Co-ordinance

Easting Northing

W1 Impact Station – Marine waters near the proposed

launching site at Cheung Chau 820 704 808 688


launching site at Cheung Chau 820 656 808 631

W3 Impact Station – Marine waters along the proposed water

main alignment 820 445 809 036

W4 Impact Station – Marine waters along the proposed water

main alignment 820 072 809 297


reception site at Lantau 819 875 809 700

W6 Impact Station – Marine waters near the Cheung Sha Wan

Fish Culture Zone 819 174 810 917

W7 Impact Station – Marine waters between the works and

the Cheung Sha Wan Fish Culture Zone 820 055 810 523






Station Description Co-ordinance

Easting Northing

W8 Control station – Marine waters of Adamasta Channel 821 328 810 240

W9 Control station – Marine waters of Adamasta Channel 819 045 807 953

Construction Noise

3.5 According to EM&A Manual Section 6.4, only one noise sensitive receiver (NSR) is designated for

the construction noise monitoring. The detailed construction noise monitoring station to under the

Project is described in Table 3-3 and graphical is shown in Appendix D.

Table 3-3 Location of Construction Noise Monitoring Station

Noise Monitoring

Station NSR ID Location

N1 NSR2 Village house at No. 1A Tai Kwan Wan San Tsuen

MONITORING FREQUENCY AND PERIOD

3.6 The requirements of impact monitoring are stipulated in Sections 2.6 and 2.7 of the EM&A Manual

and listed as follows.

Construction Noise Monitoring

Parameters : One set of Leq(30min) as 6 consecutive Leq(5min) between 0700-1900 hours on

normal weekdays

Frequency : Once every week

Duration : Throughout out the construction period

Water Quality (Marine) Monitoring

Parameters : In-situ measurements including water depth, temperature, DO, pH, turbidity

and salinity; and Suspended Solids is analyzed by HOKLAS-accredited

laboratory.

Frequency : Three days a week, at mid ebb and mid flood tides. The interval between 2

sets of monitoring will be more than 36 hours.

Sampling

Depth

: (i.) Three depths: 1m below water surface, 1m above sea bottom and at

mid-depth when the water depth exceeds 6m.

(ii.) If the water depth is between 3m and 6m, two depths: 1m below water

surface and 1m above sea bottom.

(iii.) If the water depth is less than 3m, 1 sample at mid-depth is taken

Duration : Throughout out the construction period

MONITORING EQUIPMENT

Water Quality Monitoring

i. Dissolved Oxygen and Temperature Measuring Equipment – The instrument should be a

portable and weatherproof dissolved oxygen (DO) measuring instrument complete with cable

and sensor, and use a DC power source. The equipment should be capable of measuring as

included a DO level in the range of 0 – 20mg L-1 and 0 – 200% saturation; and a temperature

of 0 – 45 degree Celsius.

ii. pH Meter – The instrument shall consist of a potentiometer, a glass electrode, a reference

electrode and a temperature-compensating device. It shall be readable to 0.1 pH in arrange

of 0 to 14.

iii. Turbidity (NTU) Measuring Equipment – The instrument should be a portable and

weatherproof turbidity measuring instrument using a DC power source. It should have a

photoelectric sensor capable of measuring turbidity between 0 - 1000 NTU.






iv. Water Sampling Equipment – A water sampler should comprise a transparent PVC cylinder,

with a capacity of not less than 2 litres, which can be effectively sealed with latex cups at

both ends. The sampler should have a positive latching system to keep it open and prevent

premature closure until released by a messenger when the sampler is at the selected water

depth.

v. Water Depth Detector – A portable, battery-operated echo sounder should be used for the

determination of water depth at each designated monitoring station. This unit can either be

hand held or affixed to the bottom of the work boat.

vi. Salinity Measuring Equipment – A portable salinometer capable of measuring salinity in

the range of 0 - 40 parts per thousand (ppt) should be provided for measuring salinity of the

water at each monitoring location.

vii. Sample Containers and Storage – Water samples for SS should be stored in high density

polythene bottles with no preservative added, packed in ice (cooled to 4°C without being

frozen).

viii. Monitoring Position Equipment - A hand-held or boat-fixed type digital Differential Global

Positioning System (DGPS) with way point bearing indication and Radio Technical

Commission for maritime (RTCM) Type 16 error message ‘screen pop-up’ facilities (for

real-time auto-display of error messages and DGPS corrections from the Hong Kong

Hydrographic Office), or other equipment instrument of similar accuracy, should be provided

and used during marine water monitoring to ensure the monitoring vessel is at the correct

location before taking measurements.

ix. Suspended Solids Analysis – Analysis of suspended solids shall be carried out in a

HOKLAS or other international accredited laboratory.

Noise Monitoring

3.7 Sound level meter in compliance with the International Electrotechnical Commission Publications

651: 1979 (Type 1) and 804: 1985 (Type 1) specifications shall be used for carrying out the noise

monitoring. The sound level meter shall be checked using an acoustic calibrator. The wind

speed shall be checked with a portable wind speed meter capable of measuring the wind speed in m

s-1.

3.8 The monitoring equipment using for the EM&A program were proposed by the ET and verified by

the IEC prior to the commencement of the monitoring. Details of the equipment used for impact

monitoring are listed in Table 3-4 below.

Table 3-4 Monitoring Equipment Used in EM&A Program

Equipment Model

Construction Noise

Integrating Sound Level Meter B&K Type 2238

Calibrator B&K Type 4231

Portable Wind Speed Indicator Testo Anemometer

Water quality

A Digital Global Positioning System GPS12 Garmin

Water Depth Detector Eagle Sonar

Water Sampler A 2-litre transparent PVC cylinder with latex cups at

both ends

Thermometer & DO meter Horiba U-54 Multi-parameter Water Quality

Monitoring System/ YSI 6820/650MDS Sonde

Environmental Monitoring System

pH meter

Turbidimeter

Salinometer

Sample Container High density polythene bottles (provided by

laboratory)

Storage Container ‘Willow’ 33-litter plastic cool box with Ice pad

Suspended Solids HOKLAS-accredited laboratory (ALS Technichem

(HK) Pty Ltd)

Total residual chlorine Would be provided by CRCPJV later






MONITORING METHODOLOGY

Water Quality

3.9 Water quality monitoring is conducted at the designated locations. The sampling produce with the

in-situ monitoring are presented as below:

Sampling Procedures

3.10 A Digital Global Positioning System (GPS) is used to identify the designated monitoring stations

prior to water sampling. A portable, battery-operated echo sounder is used for the determination

of water depth at each station. At each station, marine water sample is collected at three depths:

1m below water surface, 1m above sea bottom and at mid-depth when the water depth exceeds 6m.

Samples at 1m below water surface and 1m above sea bottom are collected when the water depth is

between 3m and 6m. Only 1 sample at mid-depth is taken when the water depth is below 3m.

3.11 The marine water sampler is lowered into the water body at the predetermined depth. The trigger

system of the sampler should been activated with a messenger. The opening ends of the sampler

then is closed accordingly and water sample is collected.

3.12 The sample container is rinsed with a portion of the water sample. The water sample then is

transferred to the high-density polythene bottles as provided by the laboratory, labeled with a

unique sample number and sealed with a screw cap.

3.13 Before commencement of the sampling, general information such as the date and time of sampling,

weather condition and tidal condition as well as the personnel responsible for the monitoring are to

be recorded on the monitoring field data sheet.

3.14 A ‘Willow’ 33-litter plastic cool box packed with ice is used to preserve the collected water

samples prior to arrival at the laboratory for chemical determination. The water temperature of

the cool box is maintained at a temperature as close to 40C as possible without being frozen.

Samples collected are delivered to the laboratory upon collection

In-situ Measurement

Positioning of Monitoring Locations

3.15 A digital Global Positioning System (GPS) is used during marine water monitoring to ensure the

monitoring vessel is at the correct location when taking measurement and samples.

Depth, Dissolved Oxygen (DO), Temperature, Turbidity, Salinity and pH value

3.16 The Horiba U-54 Multi-parameter Water Quality Monitoring System/ YSI 6820/650MDS Sonde

Environmental Monitoring System are used for marine water in-situ measures, which automates the

measurements and data logging of depth, temperature, dissolved oxygen, dissolved oxygen

saturation, turbidity, pH and salinity simultaneously. Before each round of monitoring, the

dissolved oxygen probe is calibrated by the wet bulb method and the turbidity and salinity probes

checked with distilled water.

Laboratory Analysis

3.17 All water samples are analyzed with Suspended Solids (SS) as specified in the EM&A Manual by a

local HOKLAS-accredited testing laboratory (ALS Technichem (HK) Pty Ltd HOKLAS

registration no. 66). SS analysis is determined by the laboratory upon receipt of the water samples

using HOKLAS accredited analytical methods namely ALS Method EA-025.

Construction Noise

3.18 Noise measurements were taken in terms of the A-weighted equivalent sound pressure level (Leq)

measured in decibels (dB). Supplementary statistical results (L10 and L90) were also obtained for

reference.

3.19 Sound level meters listed in Table 3-4 are complied with the International Electrotechnical






Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications, as

recommended in Technical Memorandum (TM) issued under the Noise Control Ordinance (NCO).

3.20 During the monitoring, all noise measurements were performed with the meter set to FAST

response and on the A-weighted equivalent continuous sound pressure level (Leq). Leq(30min) in six

consecutive Leq(5min) measurements were used as the monitoring parameter for the time period

between 0700-1900 hours on weekdays; and also Leq(15min) in three consecutive Leq(5min)

measurements is used as monitoring parameter for other time periods (e.g. during restricted hours),

if necessary.

3.21 During the measurement, the sound level meter is mounted on a tripod with a height of 1.2m above

ground and placed at the assessment point and oriented such that the microphone is pointed to the

site with the microphone facing perpendicular to the line of sight. The windshield is fitted for all

measurements. The assessment point is normally set as free-field situation for the measurement.

3.22 Prior of noise measurement, the accuracy of the sound level meter is checked using an acoustic

calibrator generating a known sound pressure level at a known frequency. The checking was

performed before and after the noise measurement.

EQUIPMENT CALIBRATION

3.23 The sound level meter and calibrator are calibrated and certified by a laboratory accredited under

HOKLAS or any other international accreditation scheme at yearly basis.

3.24 The Multi-parameter Water Quality Monitoring System is calibrated by HOKLAS accredited

laboratory of three month intervals.

METEOROLOGICAL INFORMATION

3.25 The meteorological information during the construction phase is obtained from Cheung Chau

Station of the Hong Kong Observatory (HKO).

DATA MANAGEMENT AND DATA QA/QC CONTROL

3.26 The impact monitoring data are handled by the ET’s systematic data recording and management,

which complies with in-house Quality Management System. Standard Field Data Sheets (FDS) are

used in the impact monitoring program.

3.27 The monitoring data recorded in the equipment e.g. noise meter and Multi-parameter Water Quality

Monitoring System are downloaded directly from the equipment at the end of each monitoring day.

The downloaded monitoring data are input into a computerized database properly maintained by

the ET. The laboratory results are input directly into the computerized database and QA/QC

checked by personnel other than those who input the data. For monitoring activities require

laboratory analysis, the local laboratory follows the QA/QC requirements as set out under the

HOKLAS scheme for all laboratory testing.

DETERMINATION OF ACTION/LIMIT (A/L) LEVELS

3.28 According to the approved Environmental Monitoring and Audit Manual, the construction noise

and water quality criteria were set up, namely Action and Limit levels are listed in Tables 3-5 and

3-6 as below.






Table 3-5 Action and Limit Levels for Water Quality

Impact

Station

Dissolved Oxygen (mg/L) Depth Average of

Turbidity (NTU)

Depth Average of

SS (mg/L) Depth Average of

Surface & Middle Bottom

Action

Level

Limit

Level

Action

Level

Limit

Level

Action

Level

Limit

Level

Action

Level

Limit

Level

W1 5.64 4.54 NA NA 5.87 8.81 7.00 8.00

W2 5.16 5.02 NA NA 5.50 5.66 7.00 8.00

W3 6.18 5.66 5.36 5.05 6.94 7.29 8.00 8.00

W4 5.94 4.95 5.71 5.54 7.50 8.03 7.85 11.57

W5 5.14 5.00 5.79 5.79 5.44 7.43 6.00 6.43

W6 5.92 4.26 6.04 4.49 6.82 7.10 8.00 9.59

W7 6.08 5.78 6.08 5.60 5.71 6.26 7.85 10.00

Table 3-6 Action and Limit Levels for Construction Noise

Monitoring Location Action Level Limit Level in dB(A)

Time Period: 0700-1900 hours on normal weekdays

N1 When one or more documented

complaints are received 75 dB(A)

If works are to be carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the NCA have to be followed.

3.29 Should non-compliance of the environmental quality criteria occurs, remedial actions will be

triggered according to the Event and Action Plan enclosed in Appendix E.






4.0 IMPACT MONITORING RESULTS

4.1 Further to CRCPJV’s notification, the EM&A program was commenced on 1 April 2014. The

works undertaken during the reporting quarter has been illustrated in Appendix C. The

monitoring results are presented in the following sub-sections. The graphical plots of the trends in

monitored parameters over the Reporting Quarter are presented in Appendix F.

RESULTS OF WATER QUALITY MONITORING

4.2 In this Reporting Quarter, 36 monitoring days have been carried out at the designated monitoring

locations.

4.3 Monitoring results of the three key parameters, dissolved oxygen (DO), turbidity and suspended

solids, in this Reporting Quarter are summarized in Tables 4-1 to 4-4.

Table 4-1 Results Summary of Depth Average (Surface & Middle Layer) of DO (mg/L)

Tidal W1 W2 W3 W4 W5 W6 W7 W8 W9

Mid-Ebb

Average 6.91 6.84 6.96 7.06 7.02 7.21 7.05 6.96 7.00

Min 5.83 5.87 6.18 6.12 5.73 5.93 6.10 5.72 5.42

Max 8.93 9.00 8.15 8.33 8.54 9.77 8.62 8.78 8.73

Mid-Flood

Average 7.11 7.05 7.10 7.06 7.10 7.16 7.12 6.91 7.16

Min 5.74 5.74 6.18 5.95 6.02 5.93 6.08 5.76 5.97

Max 12.20 12.30 9.29 8.63 10.41 9.15 9.13 8.95 9.08

Table 4-2 Results Summary of Bottom Depth of DO (mg/L)


Mid-Ebb

Average NA NA 6.17 6.26 6.88 6.57 6.41 6.17 6.16

Min NA NA 5.39 5.73 5.80 6.06 6.08 5.07 3.20

Max NA NA 7.53 7.73 8.54 8.36 8.21 7.88 7.95

Mid-Flood

Average NA NA 6.29 6.34 6.81 6.63 6.43 6.10 6.29

Min NA NA 5.36 5.72 5.84 6.04 6.08 5.00 5.29

Max NA NA 8.53 7.53 8.55 10.58 8.26 8.01 7.90

Table 4-3 Results Summary of Depth Average of Turbidity (NTU)


Mid-Ebb

Average 2.32 2.48 2.53 2.46 2.15 1.92 2.13 2.48 2.47

Min 0.20 0.15 0.13 0.12 0.10 0.13 0.13 0.33 0.33

Max 5.30 5.35 5.25 5.38 5.13 4.75 5.55 8.70 6.83

Mid-Flood

Average 2.19 2.30 2.49 2.51 2.24 1.88 1.99 2.32 2.59

Min 0.15 0.10 0.38 0.18 0.23 0.32 0.15 0.17 0.32

Max 5.30 5.50 5.32 5.28 5.35 5.87 5.30 6.80 7.47

Table 4-4 Results Summary of Depth Average of Suspended Solids (mg/L)


Mid-Ebb

Average 3.64 3.75 3.46 3.36 3.36 3.32 3.05 3.05 3.36

Min 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00

Max 6.00 6.50 6.50 6.50 6.00 5.67 6.00 5.67 7.80

Mid-Flood

Average 3.39 3.61 3.41 3.23 3.35 3.30 3.19 3.27 3.70

Min 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.33 1.00

Max 6.50 7.00 6.00 6.67 6.00 7.50 7.17 7.33 8.83

Remark: If the monitoring result is less than 1, the average was calculated by assuming the monitored value

to be 1.

4.4 During the Reporting Quarter, field measurements showed that temperatures of marine water were

within 22.40C to 23.30C; the salinity concentrations within 17.50 to 32.47 ppt and pH values

within 6.72 to 8.97.

4.5 A summary of exceedances for the three parameters: dissolved oxygen (DO), turbidity and

suspended solids is shown in Table 4-5.






Table 4-5 Summary of Water Quality Exceedance

Station

DO

(Ave of Top &

mid-depth)

DO

Bottom Depth

Turbidity

(Depth Ave.)

SS

(Depth Ave)

Total

Exceedance

Action Limit Action Limit Action Limit Action Limit Action Limit

W1 0 0 0 0 0 0 0 0 0 0

W2 0 0 0 0 0 0 0 0 0 0

W3 0 0 0 0 0 0 0 0 0 0

W4 0 0 0 0 0 0 0 0 0 0

W5 0 0 0 0 0 0 0 0 0 0

W6 0 0 0 0 0 0 0 0 0 0

W7 0 0 0 0 0 0 0 0 0 0

No of

Exceedance 0 0 0 0 0 0 0 0 0 0

4.6 In this Reporting Quarter, no Action/Limit Level exceedance in water quality was recorded.

RESULTS OF CONSTRUCTION NOISE MONITORING

4.7 The sound level was set in a free field situation during construction noise measurement. Therefore,

a façade correction of +3dB(A) has been added according to acoustical principles and EPD

guidelines.

4.8 In this Reporting Quarter, a total of 13 events of construction noise measurements were conducted.

A summary of construction noise monitoring at the identified locations during the Reporting

Quarter are summarized in Table 4-6.

Table 4-6 Summary of Construction Noise Monitoring Results – N1

Station Corrected Leq(30min) (dB(A))*

Max Min

N1 74 64

Record Date 8 June 2015 30 June 2015

(*) A façade correction of +3 dB(A) has been added according to acoustical principles and EPD guidelines.

4.9 As showed in the above table, the results were well below 75dB(A), also no noise complaint

(which is an Action Level exceedance) was received by the RE, WSD, EPD and the Contractor.

Hence, no Action or Limit Level exceedance was triggered during in this quarter. The graphical

plot is shown in Appendix F.

4.10 The meteorological information during reporting quarter extracted from Cheung Chau Station of

the Hong Kong Observatory (HKO) shows in Appendix G.






5.0 WASTE MANAGEMENT

5.1 Waste management was carried out by an on-site Environmental Officer or an Environmental

Supervisor from time to time.

RECORDS OF WASTE QUANTITIES

All types of waste arising from the construction work are classified into the following:

Construction & Demolition (C&D) Material;

Chemical Waste;

General Refuse; and

Excavated Soil.

5.2 The quantities of waste for disposal in this Reporting Period are summarized in Table 5-1 and 5-2

and the Monthly Summary Waste Flow Table is shown in Appendix H. Whenever possible,

materials were reused on-site as far as practicable.

Table 5-1 Summary of Quantities of Inert C&D Materials

Type of Waste Quantity Disposal Location

Apr 15 May 15 Jun 15

C&D Materials (Inert) (‘000 m3) 0 0 0 -

Reused in this Contract (Inert)

(‘000 m3) 0 0 0 -

Reused in other Projects (Inert)

(‘000 m3) 0 0 0 -

Disposal as Public Fill (Inert)

(‘000 m3) 1.470 0.990 1.030

Outlaying Island Transfer

facility (Cheung Chau

Station)

Table 5-2 Summary of Quantities of C&D Wastes

Type of Waste Quantity Disposal Location

Apr 15 May 15 Jun 15

Recycled Metal (‘000kg) 0 0 0 -

Recycled Paper / Cardboard

Packing (‘000kg) 0 0 0 -

Recycled Plastic (‘000kg) 0 0 0 -

Chemical Wastes (‘000kg) 0 0 0 -

General Refuses (‘000 m3) 0.050 0.050 0.070

Outlaying Island Transfer

facility (Cheung Chau

Station)

5.3 There was no site effluent discharged but the estimated volume of surface runoff was less than

50m3 in this quarterly period.






6.0 SITE INSPECTION

6.1 According to the Environmental Monitoring and Audit Manual, the environmental site inspection

should been formulation by ET Leader. Regular environmental site inspections had been carried

out by the ET to confirm the environmental performance. 13 weekly site inspections were carried

out on 8, 14, 21, and 28 April 2015; 5, 12, 22, and 26 May 2015; and 3, 9, 18, 23 and 30 June

2015 with the Representatives of the Engineer and the Contractor to evaluate the site environmental

performance in this Reporting Quarter. Furthermore, joint site inspection with EPD and IEC also

undertaken on 21 April 2015, 22 May 2015 and 18 June 2015. No non-compliance was noted.

However, minor deficiencies were observed during weekly site inspection or joint site inspection.

6.2 Observations for the site inspections within this Reporting Quarter are summarized in Table 6-1.

Table 6-1 Site Observations

Date Findings / Deficiencies Follow-Up Status

31 March 2015 - The Contractor was reminded to place

the free-standing chemical containers

near the HDD equipment to drip tray

to prevent land contamination.

- The Contractor was reminded to

provide drip tray to free-standing

chemical at Ha So Pai to prevent land

contamination. The Contractor was

also reminded the storage of chemical

should be located at Cheung Chau

Site.

The free-standing chemical container

near the HDD equipment has been

removed from site.

To be follow-up in next inspection

8 April 2015 - The Contractor was reminded to better

cover the dusty stockpile with

impervious sheet to reduce dust

generation.







Site.

The dusty stockpile has been well

covered with tarpaulin sheet.


14 April 2015 - The Contractor was reminded to






Site.







21 April 2015 - The Contractor was reminded to cover

the empty chemical containers with

impervious sheet to prevent

contamination of rainwater runoff.







Site.

The empty chemical containers were

removed from site.

Drip tray was provided for the

free-standing chemical at Ha So Pai.

The Contractor was reminded the

storage of chemical should be located

at Cheung Chau Site.

28 April 2015 - The Contractor was reminded to check

the WetSep system regularly to ensure

all the runoff water collected is

well-treated before discharge from site

during wet season.

NA

5 May 2015 - No environmental issue was observed

during the site inspection.

NA

12 May 2015 - The Contractor was reminded to place

the chemical waste container into the

designated chemical storage area with

drip tray provided to prevent land

contamination.

To To be follow up in next inspection.

22 May 2015 - No temporary platform was observed

underneath the machineries at Ha So

Po. The Contractor should provide a

temporary platform to minimise the

footprint on the rocky shore.

- The silt curtain at Ha So Pai was

displaced due to adverse weather

condition. The Contractor was

reminded to repair the silt curtain to

maintain its function.

- The Contractor was reminded to place

the chemical waste container into the



contamination.

To be follow up in next inspection.

26 May 2015 - No temporary platform was observed




footprint on the rocky shore.

- The Contractor should place the

chemical waste container into the



contamination.





To be follow up in next reporting

period.






maintain its function.

3 June 2015 Observation:





contamination. (12 May 2015)

- No temporary platform was observed




footprint on the rocky shore. (22 May

2015)





maintain its function. (22 May 2015)

Reminder:

- The Contractor was reminded to repair

the damaged soft pipe at the sump pit

to ensure no overflow from the sump

pit and all the site runoff are treated by

the WetSep prior discharging into the

marine water.




The soft pipe has been repaired.












2015)



















The chemical waste containers have

been removed from site.

Temporary steel platform was

provided at Ha So Pai. However, the

Contractor was reminded to provide a







2015)






Reminder:

- Free-standing chemical without

secondary containment were observed.

The Contractor was reminded to

provide secondary containment such

as drip tray for the free-standing

chemical to prevent land

contamination.

elevated and dismountable platform

before start of construction work at

Ha So Pai as stipulate in EP condition

3.2.

The silt curtain at Ha So Pai has been

repaired.

The free-standing chemical have been

removed from site.

23 June 2015 - No environmental issue was observed

during the site inspection.

NA

30 June 2015 Reminder:

- The Contractor was reminded to keep

the U-channel clean.

To be follow up in next reporting

period.






7.0 ENVIRONMENTAL COMPLAINT AND NON-COMPLIANCE

ENVIRONMENTAL COMPLAINT, SUMMONS AND PROSECUTION

7.1 No environmental complaint, summons and prosecution was received in this reporting period. The

statistical summary table of environmental complaint is presented in Tables 7-1, 7-2 and 7-3.

Table 7-1 Statistical Summary of Environmental Complaints

Reporting Period Environmental Complaint Statistics

Frequency Cumulative Complaint Nature

28 March to December

2014 0 0 NA

January to March 2015 0 0 NA

April 2015 0 0 NA

May 2015 0 0 NA

June 2015 0 0 NA

Table 7-2 Statistical Summary of Environmental Summons

Reporting Period Environmental Summons Statistics



2014 0 0 NA


April 2015 0 0 NA

May 2015 0 0 NA

June 2015 0 0 NA

Table 7-3 Statistical Summary of Environmental Prosecution

Reporting Period Environmental Prosecution Statistics



2014 0 0 NA


April 2015 0 0 NA

May 2015 0 0 NA

June 2015 0 0 NA






8.0 IMPLEMENTATION STATUS OF MITIGATION MEASURES

GENERAL REQUIREMENTS

8.1 The environmental mitigation measures that recommended in the Implementation Schedule for

Environmental Mitigation Measures (ISEMM) in the approved EM&A Manual covered the issues

of dust, noise, water and waste and they are showed Appendix I.

8.2 CRCPJV had been implementing the required environmental mitigation measures according to the

Environmental Monitoring and Audit Manual subject to the site condition. Environmental

mitigation measures generally implemented by CRCPJV in this Reporting Quarter are summarized

in Table 8-1.

Table 8-1 Environmental Mitigation Measures

Issues Environmental Mitigation Measures

Water Quality Wastewater were appropriately treated by treatment facilities; Drainage channels were provided to convey run-off into the treatment

facilities; and Drainage systems were regularly and adequately maintained.

Air Quality Regular watering to reduce dust emissions from all exposed site surface, particularly during dry weather;

Frequent watering for particularly dusty construction areas and areas close to air sensitive receivers;

Cover all excavated or stockpile of dusty material by impervious sheeting or sprayed with water to maintain the entire surface wet;

Public roads around the site entrance/exit had been kept clean and free from dust; and

Tarpaulin covering of any dusty materials on a vehicle leaving the site.

Noise Good site practices to limit noise emissions at the sources; Use of quite plant and working methods; Use of site hoarding or other mass materials as noise barrier to screen noise

at ground level of NSRs; Use of shrouds/temporary noise barriers to screen noise from relatively

static PMEs; Scheduling of construction works outside school examination period in

critical area; and Alternative use of plant items within one worksite, where practicable.

Waste and

Chemical

Management

Excavated material should be reused on site as far as possible to minimize off-site disposal. Scrap metals or abandoned equipment should be recycled if possible;

Waste arising should be kept to a minimum and be handled, transported and disposed of in a suitable manner;

The Contractor should adopt a trip ticket system for the disposal of C&D materials to any designed public filling facility and/or landfill; and

Chemical waste shall be handled in accordance with the Code of Practice on the Packaging, Handling and Storage of Chemical Wastes.

General The site was generally kept tidy and clean.






9.0 CONCLUSIONS AND RECOMMENDATIONS

CONCLUSIONS

9.1 This is 5th quarterly EM&A report presenting the monitoring results and inspection findings for the

Reporting Period from 1 April 2015 to 30 June 2015.

9.2 No noise complaint (which is an Action Level exceedance) was received and no construction noise

measurement results that exceeded the Limit Level were recorded in the Reporting Quarter. No

NOEs or the associated corrective actions were therefore issued.

9.3 In this Reporting Quarter, no Action/Limit Level exceedance for marine water quality sampling

was recorded.

9.4 No documented complaint, notification of summons or successful prosecution was received by the

Project.

9.5 The ET had carried out site inspection on 8, 14, 21, and 28 April 2015; 5, 12, 22, and 26 May

2015; and 3, 9, 18, 23 and 30 June 2015 with the Representatives of the Engineer and the

Contractor. Furthermore, joint site inspection with IEC also undertaken on 21 April 2015, 22

May 2015 and 18 June 2015. No non-compliance was noted; however minor deficiencies were

observed during site inspection. The deficiencies has rectified within the specified deadlines.

The environmental performance of the Project was therefore considered satisfactory.

RECOMMENDATIONS

9.6 As the wet season has come, muddy water or other water pollutants from sites surface flowing to

sea water bodies or public area will be a key environment issue. Hence, water quality mitigation

measures to prevent surface runoff into nearby water bodies or public areas should be paid special

attention to. Moreover, noise mitigation measures should be properly maintained to prevent

construction noise from impacting the surrounding residents.

9.7 To control the site performance on waste management, the CRCPJV shall ensure that all solid and

liquid waste management works are fully in compliance with the relevant license/permit

requirements, such as the effluent discharge licence and the chemical waste producer registration.

CRCPJV is also reminded to implement the recommended environmental mitigation measures

according to the Environmental Monitoring and Audit Manual.

9.8 Baseline monitoring of noise and water quality was conducted during typical Hong Kong dry

season (November to April next the year). It is important that influence of the seasonal changes

is taken into account when interpreting monitoring data of all environmental issues obtained in the

coming rainy season. Review of the baseline conditions may need to be conducted regularly in

particular during times of seasonal changes. If the baseline changes are evident, the

environmental performance criteria should be re-established under agreement of the ER and IEC

and submitted to the EPD for endorsement.





Appendix A

Project Site Layout Plan





Appendix B

Organization Structure and Contact Details of Relevant Parties





Environmental Management Organization

Authority of Environmental

Protection

EPD

Independent Environmental

Checker

SMEC

Vivian Chan

Employer / Environmental Permit

Holder

WSD

The Engineer Representative

B&V

Ernest Chan

Environmental Team (the ET)

Environmental Team Leader

AUES

T.W. Tam

Environmental Consultant

AUES

Ben Tam

Environmental Officer

CRCP

Nash Wong

Project Manager

CRCP

Raymond Mau

Assistant Environmental

Officer

CRCP

Site Agent

CRCP

Gordon Ng

Environmental Consultant

AUES

Nicola Hon

Project Director

CRCP

Wang Yan Hua

Environmental Supervisor

CRCP

Wen Xu





Contact Details of Key Personnel

Organization Project Role Name of Key Staff Tel No. Fax No.

B&V Engineer’s Representative Ernest Chan 2981 1149 3485 4114

SMEC Independent Environmental

Checker Vivian Chan 3995 8120 3995 8101

CRCP Project Director Wang Yan Hua 2981 1686 2981 1689

CRCP Site Agent Gordon Ng 2981 1686 2981 1689

CRCP Environmental Officer Nash Wong 2981 1686 2981 1689

CRCP Environmental Supervisor Wen Xu 2981 1686 2981 1689

AUES Environmental Team Leader T. W. Tam 2959 6059 2959 6079

AUES Environmental Consultant Nicola Hon 2959 6059 2959 6079

AUES Environmental Consultant Ben Tam 2959 6059 2959 6079

AUES Assistant Environmental

Consultant Martin Li 2959 6059 2959 6079

General Enquiries Hotline: 56958167

Legend:

WSD (Employer) –Water Supplies Department

B&V (Engineer) – Black & Veatch Hong Kong Limited

CRCP (Main Contractor) – China Road – China Pipeline JV

SMEC (IEC) – SMEC Asia Limited

AUES (ET) – Action-United Environmental Services & Consulting





Appendix C

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CC

al_2

03S

EP

1503

SE

P15

205

SE

P15

05S

EP

15

SE

1202

300

Sub

mar

ine

stee

l pip

e pu

shin

gC

al_2

05S

EP

1505

SE

P15

8518

DE

C15

19D

EC

15

Sec

1 E

xcav

atio

n P

erm

it &

TTA

SE

1300

110

Tra

ffic

engg

ser

vice

sC

al_1

09D

EC

13 A

09D

EC

13 A

470

13JU

L15

23O

CT

16

SE

1300

910

Impl

emen

t pha

se 1

to p

hase

10

TT

M (P

ortio

n G

)C

al_1

30JU

L14

A30

JUL1

4 A

313

13JU

L15

23JU

L15

SE

1301

910

Impl

emen

t pha

se 1

1 an

d 12

TT

M (P

ortio

n F)

Cal

_129

DE

C14

A29

DE

C14

A95

13JU

L15

29FE

B16

Sec

1 M

ain

Lay

ing

on

Ch

eun

g C

hau

SE

1401

000

Land

mai

ns in

pha

se 1

0 (L

=6m

)C

al_2

20M

AR

15 A

20M

AR

15 A

709

JUL1

511

JUL1

5

SE

1401

200

Land

mai

ns in

pha

se 1

2 (P

ortio

n F)

Cal

_227

FEB

15 A

27FE

B15

A25

13JU

L15

26FE

B16

Sec

2 L

ands

capi

ngS

E20

0005

0T

ree

pres

erv,

prot

ect &

sur

vey

Cal

_124

OC

T13

A24

OC

T13

A72

923

OC

T15

23O

CT

15

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ate

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ata

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15R

un

dat

e02

JUL

15P

age

nu

mb

er

2Ac

Pri

mav

era

Sys

tem

s, I

nc.

Con

trac

t N

o. 1

/WS

D/1

3Im

prov

emen

t of

Fre

sh W

ater

Sup

ply

to

Che

ung

Cha

u

CR

BC

-CP

P J

V3

MR

P��

File

: A05

2

Earl

y b

arTa

rge

t b

arP

rog

res

s b

arS

tart

mile

sto

ne

po

int

Fin

ish

mile

sto

ne

po

in





Appendix D

Monitoring Locations Designated in the EM&A Manual

Contract No. 1/WSD/13 - Improvement of Fresh Water Supply to Cheung Chau Baseline Monitoring Report AUES

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Appendix E

Event and Action Plan

Agr

eem

ent N

o. C

E 1

/200

8 (W

S)

EM

&A

Man

ual

Impr

ovem

ent o

f Fre

sh W

ater

Sup

ply

to C

heun

g C

hau

Fin

al- I

nves

tigat

ion

2831

/B&

V/0

20/I

ssue

3

Janu

ary

2010

[283

1_EM

&A_

chap

2_v3

_jan

10.d

oc]

2-10

B&

V

Tab

le 2

.6

Eve

nt a

nd A

ctio

n Pl

an fo

r W

ater

Qua

lity

Eve

ntE

T L

eade

rIE

CE

RC

ontr

acto

r

Act

ion

Leve

l be

ing

exce

eded

by

one

sa

mpl

ing

day

1.R

epea

t in-

site

mea

sure

men

t to

conf

irm fi

ndin

gs.

2.Id

entif

y so

urce

(s) o

f im

pact

. 3.

Info

rm IE

C a

nd C

ontra

ctor

. 4.

Che

ck m

onito

ring

data

, all

plan

t, eq

uipm

ent a

nd

Con

tract

or’s

wor

king

met

hods

. 5.

Dis

cuss

miti

gatio

n m

easu

res w

ith IE

C a

nd

Con

tract

or.

6.R

epea

t mea

sure

men

t on

next

day

of e

xcee

danc

e.

1.D

iscu

ss w

ith E

T an

d C

ontra

ctor

on

the

miti

gatio

n m

easu

res.

2.R

evie

w p

ropo

sals

on

miti

gatio

n m

easu

res.

subm

itted

by

Con

tract

or a

nd

advi

se th

e ER

acc

ordi

ngly

. 3.

Ass

ess t

he e

ffec

tiven

ess o

f the

im

plem

ente

d m

itiga

tion

mea

sure

s.

1.D

iscu

ss w

ith IE

C o

n th

e pr

opos

ed m

itiga

tion

mea

sure

s. 2.

Mak

e ag

reem

ent o

n th

e m

itiga

tion

mea

sure

s to

be

impl

emen

ted.

3.

Ass

ess e

ffec

tiven

ess o

f the

impl

emen

ted

miti

gatio

n m

easu

res.

1.In

form

the

ER a

nd c

onfir

m n

otifi

catio

n of

the

non-

com

plia

nce

in w

ritin

g.

2.R

ectif

y un

acce

ptab

le p

ract

ice.

3.

Che

ck a

ll pl

ant a

nd e

quip

men

t. 4.

Con

side

r cha

nges

of w

orki

ng m

etho

ds.

5.D

iscu

ss w

ith E

T an

d IE

C a

nd p

ropo

se m

itiga

tion

mea

sure

s to

IEC

and

ER

. 6.

Impl

emen

t the

agr

eed

miti

gatio

n m

easu

res.

Act

ion

Leve

l be

ing

exce

eded

by

mor

e th

an

one

cons

ecut

ive

sam

plin

g da

ys

1.R

epea

t in-

situ

mea

sure

men

t to

conf

irm fi

ndin

gs;

2.Id

entif

y so

urce

(s) o

f im

pact

. 3.

Info

rm IE

C a

nd C

ontra

ctor

. 4.

Che

ck m

onito

ring

data

, all

plan

t, eq

uipm

ent a

nd

Con

tract

or’s

wor

king

met

hods

. 5.

Dis

cuss

miti

gatio

n m

easu

res w

ith IE

C a

nd

Con

tract

or.

6.En

sure

miti

gatio

n m

easu

res a

re im

plem

ente

d.

7.Pr

epar

e to

incr

ease

the

mon

itorin

g fr

eque

ncy

to

daily

.8.

Rep

eat m

easu

rem

ent o

n ne

xt d

ay o

f exc

eeda

nce.

1.D

iscu

ss w

ith E

T an

d C

ontra

ctor

on

the

miti

gatio

n m

easu

res.

2.R

evie

w p

ropo

sals

on

miti

gatio

n m

easu

res

subm

itted

by

Con

tract

or a

nd

advi

se th

e ER

acc

ordi

ngly

. 3.

Ass

ess t

he e

ffec

tiven

ess o

f the

im

plem

ente

d m

itiga

tion

mea

sure

s.

1.D

iscu

ss w

ith IE

C o

n th

e pr

opos

ed m

itiga

tion

mea

sure

s. 2.

Mak

e ag

reem

ent o

n th

e m

itiga

tion

mea

sure

s to

be

impl

emen

ted.

3.

Ass

ess t

he e

ffec

tiven

ess o

f the

impl

emen

ted

miti

gatio

n m

easu

res.

1.In

form

the

ER a

nd c

onfir

m n

otifi

catio

n of

the

non-

com

plia

nce

in w

ritin

g.

2.R

ectif

y un

acce

ptab

le p

ract

ice.

3.

Che

ck a

ll pl

ant a

nd e

quip

men

t. 4.

Con

side

r cha

nges

of w

orki

ng m

etho

ds.

5.D

iscu

ss w

ith E

T an

d IE

C a

nd p

ropo

se m

itiga

tion

mea

sure

s to

IEC

and

ER

with

in 3

wor

king

day

s. 6.

Impl

emen

t the

agr

eed

miti

gatio

n m

easu

res.

Lim

it Le

vel

bein

g ex

ceed

ed

by o

ne

sam

plin

g da

y

1.R

epea

t in-

situ

mea

sure

men

t to

conf

irm fi

ndin

gs.

2.Id

entif

y so

urce

(s) o

f im

pact

. 3.

Info

rm IE

C, c

ontra

ctor

, AFC

D a

nd E

PD.

4.C

heck

mon

itorin

g da

ta, a

ll pl

ant,

equi

pmen

t and

C

ontra

ctor

’s w

orki

ng m

etho

ds.

5.D

iscu

ss m

itiga

tion

mea

sure

s with

IEC

, ER

and

C

ontra

ctor

.6.

Ensu

re m

itiga

tion

mea

sure

s are

impl

emen

ted;

7.

Incr

ease

the

mon

itorin

g fr

eque

ncy

to d

aily

unt

il no

ex

ceed

ance

of L

imit

Leve

l.

1.D

iscu

ss w

ith E

T an

d C

ontra

ctor

on

the

miti

gatio

n m

easu

res.

2.R

evie

w p

ropo

sals

on

miti

gatio

n m

easu

res

subm

itted

by

Con

tract

or a

nd

advi

se th

e ER

acc

ordi

ngly

. 3.

Ass

ess t

he e

ffec

tiven

ess o

f the

im

plem

ente

d m

itiga

tion

mea

sure

s.

1.D

iscu

ss w

ith IE

C, E

T an

d C

ontra

ctor

on

the

prop

osed

miti

gatio

n m

easu

res.

2.R

eque

st C

ontra

ct to

crit

ical

ly re

view

the

wor

king

m

etho

ds.

3.M

ake

agre

emen

t on

the

miti

gatio

n m

easu

res t

o be

im

plem

ente

d.

4.A

sses

s the

eff

ectiv

enes

s of t

he im

plem

ente

d m

itiga

tion

mea

sure

s.

1.In

form

the

ER a

nd c

onfir

m n

otifi

catio

n of

the

non-

com

plia

nce

in w

ritin

g.

2.R

ectif

y un

acce

ptab

le p

ract

ice.

3.

Che

ck a

ll pl

ant a

nd e

quip

men

t. 4.

Con

side

r cha

nges

of w

orki

ng m

etho

ds.

5.D

iscu

ss w

ith E

T, IE

C a

nd E

R a

nd p

ropo

se

miti

gatio

n m

easu

res t

o IE

C a

nd E

R w

ithin

3

wor

king

day

s. 6.

Impl

emen

t the

agr

eed

miti

gatio

n m

easu

res.

Agr

eem

ent N

o. C

E 1

/200

8 (W

S)

EM

&A

Man

ual

Impr

ovem

ent o

f Fre

sh W

ater

Sup

ply

to C

heun

g C

hau

Fin

al- I

nves

tigat

ion

2831

/B&

V/0

20/I

ssue

3

Janu

ary

2010

[283

1_EM

&A_

chap

2_v3

_jan

10.d

oc]

2-11

B&

V

Eve

ntE

T L

eade

rIE

CE

RC

ontr

acto

r

Lim

it Le

vel

bein

g ex

ceed

ed

by m

ore

than

on

e co

nsec

utiv

e sa

mpl

ing

days

1.R

epea

t in-

situ

mea

sure

men

t to

conf

irm fi

ndin

gs.

2.Id

entif

y so

urce

(s) o

f im

pact

. 3.

Info

rm IE

C, c

ontra

ctor

, AFC

D a

nd E

PD.

4.C

heck

mon

itorin

g da

ta, a

ll pl

ant,

equi

pmen

t and

C

ontra

ctor

’s w

orki

ng m

etho

ds.

5.D

iscu

ss m

itiga

tion

mea

sure

s with

IEC

, ER

and

C

ontra

ctor

.6.

Ensu

re m

itiga

tion

mea

sure

s are

impl

emen

ted.

7.

Incr

ease

the

mon

itorin

g fr

eque

ncy

to d

aily

unt

il no

ex

ceed

ance

of L

imit

Leve

l for

two

cons

ecut

ive

days

.

1.D

iscu

ss w

ith E

T an

d C

ontra

ctor

on

the

miti

gatio

n m

easu

res.

2.R

evie

w p

ropo

sals

on

miti

gatio

n m

easu

res

subm

itted

by

Con

tract

or a

nd

advi

se th

e ER

acc

ordi

ngly

. 3.

Ass

ess t

he e

ffec

tiven

ess o

f the

im

plem

ente

d m

itiga

tion

mea

sure

s.

1.D

iscu

ss w

ith IE

C, E

T an

d C

ontra

ctor

on

the

prop

osed

miti

gatio

n m

easu

res.

2.R

eque

st C

ontra

ctor

to c

ritic

ally

revi

ew th

e w

orki

ng m

etho

ds.

3.M

ake

agre

emen

t on

the

miti

gatio

n m

easu

res t

o be

im

plem

ente

d.

4.A

sses

s the

eff

ectiv

enes

s of t

he im

plem

ente

d m

itiga

tion

mea

sure

s. 5.

Con

side

r and

inst

ruct

, if n

eces

sary

, the

Con

tract

or

to sl

ow d

own

or to

stop

all

or p

art o

f the

wor

k un

til n

o ex

ceed

ance

of L

imit

Leve

l.

1.In

form

the

ER a

nd c

onfir

m n

otifi

catio

n of

the

non-

com

plia

nce

in w

ritin

g.

2.R

ectif

y un

acce

ptab

le p

ract

ice.

3.

Che

ck a

ll pl

ant a

nd e

quip

men

t. 4.

Con

side

r cha

nges

of w

orki

ng m

etho

ds.

5.D

iscu

ss w

ith E

T, IE

C a

nd E

R a

nd p

ropo

se

miti

gatio

n m

easu

res t

o IE

C a

nd E

R w

ithin

3

wor

king

day

s. 6.

Impl

emen

t the

agr

eed

miti

gatio

n m

easu

res.

7.A

s dire

cted

by

the

ER, t

o sl

ow d

own

or to

stop

all

or p

art o

f the

wor

k or

con

stru

ctio

n ac

tiviti

es.

Agre

emen

t No.

CE

1/20

08 (W

S)

EM

&A

Man

ual

Impr

ovem

ent o

f Fre

sh W

ater

Sup

ply

to C

heun

g Ch

au

Fina

l - I

nves

tigat

ion

2831

/B&

V/02

0/Is

sue

3 Ja

nuar

y 20

10 [2

831_EM

&A_chap6_v3_jan10.doc]

6-5

B&V

Tab

le 6

.3

Eve

nt/A

ctio

n Pl

an fo

r C

onst

ruct

ion

Noi

se M

onito

ring

A

CTI

ON

EV

ENT

ET L

eade

r IE

C

ER

C

ontr

acto

r A

ctio

n Le

vel

1.

Not

ify IE

C, C

ontra

ctor

and

ER

2.

C

arry

ou

t in

vest

igat

ion

and

iden

tify

sour

ce

3.

Rep

ort t

he re

sults

of i

nves

tigat

ion

to th

e IE

C, C

ontra

ctor

and

ER

4.

D

iscu

ss

with

th

e C

ontra

ctor

an

d fo

rmul

ate

rem

edia

l mea

sure

s 5.

In

crea

se m

onito

ring

freq

uenc

y 6.

C

heck

co

mpl

ianc

e to

A

ctio

n/Li

mit

Leve

ls a

fter

appl

icat

ion

of m

itiga

tion

mea

sure

s

1.

Rev

iew

th

e an

alys

ed

resu

lts

subm

itted

by

the

ET L

eade

r 2.

R

evie

w t

he p

ropo

sed

rem

edia

l m

easu

res

by th

e C

ontra

ctor

and

ad

vise

th

e ER

&

ET

ac

cord

ingl

y 3.

Su

perv

ise

the

impl

emen

tatio

n of

rem

edia

l mea

sure

s

1.

Con

firm

rec

eipt

of

notif

icat

ion

of

com

plai

nt in

writ

ing

2.

Not

ify C

ontra

ctor

3.

C

heck

mon

itorin

g da

ta s

ubm

itted

by

the

ET

4.

Req

uire

C

ontra

ctor

to

pr

opos

e re

med

ial m

easu

res

for

the

anal

ysed

no

ise

prob

lem

5.

En

sure

re

med

ial

mea

sure

s ar

e pr

oper

ly im

plem

ente

d

1.

Sub

mit

nois

e m

itiga

tion

prop

osal

s to

ER a

nd I

EC w

ithin

thr

ee w

orki

ng

days

of n

otifi

catio

n 2.

Li

aise

with

the

ER

to

ensu

re t

he

effe

ctiv

enes

s of

th

e ag

reed

m

itiga

tion

3.

Am

end

prop

osal

if re

quire

d 4.

Im

plem

ent

nois

e m

itiga

tion

prop

osal

s

Lim

it Le

vel

1.

Not

ify IE

C, E

R, E

PD a

nd C

ontra

ctor

2.

Id

entif

y So

urce

3.

R

epea

t m

easu

rem

ent

to

conf

irm

findi

ngs

4.

Incr

ease

mon

itorin

g fr

eque

ncy

5.

Car

ry

out

anal

ysis

of

C

ontra

ctor

’s

wor

king

pr

oced

ures

to

de

term

ine

poss

ible

miti

gatio

n to

be

impl

emen

ted

6.

Info

rm I

EC, E

R a

nd E

PD th

e ca

uses

&

actio

ns ta

ken

for t

he e

xcee

danc

es

7.

Ass

ess

effe

ctiv

enes

s of

C

ontra

ctor

’s

rem

edia

l ac

tions

and

kee

p IE

C,

EPD

an

d ER

info

rmed

of t

he re

sults

8.

If

exc

eeda

nce

stop

s, ce

ase

addi

tiona

l m

onito

ring

1.

Che

ck

mon

itorin

g da

ta

subm

itted

by

ET

2.

Dis

cuss

am

ongs

t ER

, ET

Le

ader

and

Con

tract

or o

n th

e po

tent

ial r

emed

ial a

ctio

ns

3.

Rev

iew

Con

tract

or’s

rem

edia

l ac

tions

whe

neve

r ne

cess

ary

to

assu

re t

heir

effe

ctiv

enes

s an

d ad

vise

th

e ER

&

ET

ac

cord

ingl

y 4.

Su

perv

ise

the

impl

emen

tatio

n of

rem

edia

l mea

sure

s

1.

Con

firm

rec

eipt

of

notif

icat

ion

of

exce

edan

ce

2.

Not

ify C

ontra

ctor

3.

C

heck

mon

itorin

g da

ta s

ubm

itted

by

the

ET

4.

Req

uire

C

ontra

ctor

to

pr

opos

e re

med

ial m

easu

res

for

the

anal

ysed

no

ise

prob

lem

5.

D

iscu

ss

with

ET

, IE

C

and

Con

tract

or

on

prop

osed

re

med

ial

actio

ns to

be

impl

emen

ted

6.

Ensu

re

rem

edia

l m

easu

res

are

prop

erly

impl

emen

ted

7.

Ass

ess

the

effe

ctiv

enes

s of

th

e re

med

ial

actio

ns

and

keep

th

e C

ontra

ctor

info

rmed

8.

If

exc

eeda

nce

cont

inue

s, co

nsid

er

wha

t po

rtion

of

th

e w

ork

is

resp

onsi

ble

and

inst

ruct

th

e C

ontra

ctor

to

stop

tha

t po

rtion

of

wor

k un

til th

e ex

ceed

ance

is a

bate

d

1.

Take

im

med

iate

ac

tion

to

avoi

d fu

rther

exc

eeda

nce

2.

Subm

it pr

opos

als

for

rem

edia

l ac

tions

to

ER

w

ithin

3

wor

king

da

ys o

f not

ifica

tion

3.

Liai

se w

ith t

he E

R t

o en

sure

the

ef

fect

iven

ess

of

the

agre

ed

miti

gatio

n 4.

A

men

d pr

opos

al if

requ

ired

5.

Impl

emen

t the

agr

eed

prop

osal

s 6.

R

esub

mit

prop

osal

s if

prob

lem

stil

l no

t und

er c

ontro

l 7.

St

op t

he r

elev

ant

porti

on o

f w

orks

as

det

erm

ined

by

the

ER u

ntil

the

exce

edan

ce is

aba

ted





Appendix F

Graphical Plots of Impact Monitoring





Marine Water Quality – Mid-ebb





Marine Water Quality – Mid-flood





Noise





Appendix G

Meteorological Data





Weather Condition –April 2015

April 2015 was characterized by sunny, warm and relative dry weather, in particular during the

second half of the month. Overall, the total duration of sunshine in April 2015 was 159.2 hours,

57.5 hours above the normal figure of 101.7 hours. The mean temperature of the month was

23.6 degrees, 1.0 degree higher than the normal figure of 22.6 degrees. The monthly mean

relative humidity was 77 percent, the third lowest for April since 1961.

Weather Condition – May 2015

May 2015 was the fourth hottest May since records began in 1884. Its monthly mean

temperature of 27.5 degrees was 1.6 degrees higher than the normal figure of 25.9 degrees.

Affected by active troughs of low pressure in the second half of the month, May 2015 was

actually cloudier than usual and rather rainy as well. Bright sunshine during the month

amounted to 93.5 hours only, about 33 percent below the normal figure of 140.4 hours, the

seventh lowest for May on record. The monthly total rainfall was 513.0 millimetres, a surplus

of 68 percent against the normal figure of 304.7 millimetres. The accumulated rainfall of 679.6

millimetres since 1 January was about 6 percent above the normal figure of 640.8 millimetres for

the same period.

Weather Condition –June 2015

June 2015 was the hottest June in Hong Kong since records began in 1884. The monthly mean

temperature of 29.7 degrees was 1.8 degrees above the normal figure of 27.9 degrees and broke

the previous record of 29.0 degrees set in 2014 by a wide margin of 0.7 degree. Both the

monthly mean minimum temperature of 27.7 degrees and the monthly mean maximum

temperature of 32.3 degrees ranked the highest for June. The extremely hot weather in June

2015 in Hong Kong was partly attributed to the westward extension of the subtropical ridge of

high pressure from the western North Pacific to southern China during the month. The

prevailing southerly flow and the above-normal sea surface temperature over the northern part of

the South China Sea also contributed to the sweltering weather.

*The detailed meterological data for each successive day can be referred to in the Monthly EM&A Reports (April,

May, June 2015).





Appendix H

Monthly Summary Waste Flow Table





Appendix I

Implementation Schedule for Environmental Mitigation Measures

(ISEMM)

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-7

B&

V

Tab

le A

.2

Im

plem

enta

tion

Sche

dule

of W

ater

Qua

lity

Miti

gatio

n M

easu

res

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Wat

er Q

ualit

y - C

onst

ruct

ion

Phas

e

Gen

eral

�

3.7

.2

2.9.

2Th

e C

ontra

ctor

sha

ll ob

serv

e an

d co

mpl

y w

ith th

e W

ater

Pol

lutio

n C

ontro

l O

rdin

ance

(W

PCO

) an

d its

sub

sidi

ary

regu

latio

ns.

The

Con

tract

or s

hall

carr

y ou

t th

e w

orks

in

such

a m

anne

r as

to

min

imis

e ad

vers

e im

pact

s on

the

wat

er q

ualit

y du

ring

exec

utio

n of

the

wor

ks.

In p

artic

ular

the

C

ontra

ctor

sha

ll ar

rang

e hi

s m

etho

d of

wor

king

to

min

imis

e th

e ef

fect

s on

the

wat

er q

ualit

y w

ithin

an

d ou

tsid

e th

e si

te a

nd o

n th

e tra

nspo

rt ro

utes

.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

3 2.

9.3

The

Con

tract

or s

hall

follo

w t

he p

ract

ices

, and

be

resp

onsi

ble

for

the

desi

gn, c

onst

ruct

ion,

ope

ratio

n an

d m

aint

enan

ce o

f al

l th

e m

itiga

tion

mea

sure

s be

low

and

as

spec

ified

in

ProP

ECC

PN

1/9

4 -

Con

stru

ctio

n Si

te D

rain

age.

The

des

ign

of t

he

miti

gatio

n m

easu

res

shal

l be

sub

mitt

ed b

y th

e C

ontra

ctor

to

th

e En

gine

er

for

appr

oval

. A

ll di

scha

rge

from

th

e co

nstru

ctio

n w

orks

sh

ould

m

eet

the

disc

harg

e st

anda

rds

stip

ulat

ed u

nder

the

W

PCO

“Te

chni

cal M

emor

andu

m o

n St

anda

rds

for

Efflu

ents

Dis

char

ged

into

Dra

inag

e an

d Se

wer

age

Syst

ems,

Inla

nd a

nd C

oast

al W

ater

s”.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-8

B&

V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Site

Pre

para

tion

/ Cle

aran

ce

�

3.7.

4 2.

9.4

Prop

er

cons

truct

ion

site

dr

aina

ge

man

agem

ent

mea

sure

s sh

ould

be

impl

emen

ted

to c

ontro

l si

te

runo

ff a

nd d

rain

age,

and

the

reby

pre

vent

hig

h se

dim

ent

load

ings

fro

m r

each

ing

near

by w

ater

bo

dies

. Site

run

off

and

was

tew

ater

sho

uld

not

be

disc

harg

ed

into

ne

arby

w

ater

bo

dies

w

ithou

t pr

oper

trea

tmen

t.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

3.7.

5 2.

9.5

Turb

id

wat

er

from

co

nstru

ctio

n si

tes

mus

t be

tre

ated

to m

inim

ise

the

solid

s co

nten

t bef

ore

bein

g di

scha

rged

. A

dvic

e on

the

han

dlin

g an

d di

spos

al

of si

te d

isch

arge

is g

iven

in th

e Pr

oPEC

C N

ote

PN

1/94

– “

Con

stru

ctio

n Si

te D

rain

age”

.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

3.7.

6 2.

9.6

In g

ener

al, s

urfa

ce r

unof

f fr

om c

onst

ruct

ion

site

s sh

ould

be

di

scha

rged

in

to

wat

er

bodi

es

via

adeq

uate

ly d

esig

ned

silt

rem

oval

fac

ilitie

s su

ch a

s sa

nd t

raps

, si

lt tra

ps a

nd s

edim

enta

tion

tank

s. C

hann

els

or e

arth

bun

ds o

r sa

nd b

ag b

arrie

rs

shou

ld b

e pr

ovid

ed o

n si

te t

o pr

oper

ly d

irect

st

orm

wat

er

to

such

si

lt re

mov

al

faci

litie

s. Su

ffic

ient

nu

mbe

rs

of

pum

ps

and

tank

s of

ad

equa

te

capa

city

sh

ould

be

pr

ovid

ed

on-s

ite.

Perim

eter

cha

nnel

s at

site

bou

ndar

ies

shou

ld b

e pr

ovid

ed t

o in

terc

ept

stor

m r

un-o

ff f

rom

out

side

th

e si

te s

o th

at i

t w

ill n

ot w

ash

acro

ss t

he s

ite.

Cat

chpi

ts

and

perim

eter

ch

anne

ls

shou

ld

be

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-9

B&

V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

cons

truct

ed in

adv

ance

of e

arth

wor

ks.

3.7.

7 2.

9.7

Silt

rem

oval

fa

cilit

ies

and

dive

rsio

n ch

anne

ls

shou

ld b

e m

aint

aine

d an

d th

e de

posi

ted

silt

and

grit

shou

ld b

e re

mov

ed re

gula

rly, e

spec

ially

at t

he

onse

t of a

nd a

fter e

ach

rain

stor

m to

ens

ure

prop

er

func

tioni

ng o

f the

se fa

cilit

ies a

t all

times

.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

3.7.

8 2.

9.8

Mea

sure

s sh

ould

be

take

n to

pre

vent

the

was

hing

aw

ay o

f co

nstru

ctio

n m

ater

ials

, soi

l, si

lt or

deb

ris

into

the

nea

rby

wat

er b

odie

s. O

pen

stoc

kpile

s su

scep

tible

to

eros

ion

shou

ld b

e co

vere

d w

ith

tarp

aulin

or

si

mila

r fa

bric

an

d pr

ovid

ed

with

co

ntai

nmen

t su

ch a

s bu

nds,

sand

bag

bar

riers

or

equi

vale

nt m

easu

res,

espe

cial

ly d

urin

g th

e w

et

seas

on

(Apr

il –

Sept

embe

r)

or

whe

n he

avy

rain

stor

m i

s pr

edic

ted.

Run

off

to w

ater

cour

ses

shou

ld b

e in

terc

epte

d by

min

imis

ing

flat e

xpos

ed

area

s of

per

mea

ble

soil,

and

by

form

ing

pits

or

dive

rsio

n ch

anne

ls i

nto

whi

ch r

unof

f ca

n flo

w t

o su

itabl

e tre

atm

ent f

acili

ties b

efor

e di

scha

rge.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Dri

lling

Wor

ks

�

Laun

chin

g si

te a

t Che

ung

Cha

u �

3.7.

9 2.

9.9

The

prop

osed

la

unch

ing

site

at

C

heun

g C

hau

shou

ld b

e pa

ved

with

a s

light

fal

l tow

ards

land

to

prev

ent

site

run

off

from

dire

ctly

flo

win

g to

the

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

0B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

sea.

The

laun

chin

g si

te sh

ould

be

prov

ided

with

an

adeq

uate

ly

desi

gned

si

te

drai

nage

sy

stem

to

co

ntai

n an

d tre

at

pollu

ted

site

ru

noff

an

d w

aste

wat

er.

Ade

quat

e nu

mbe

rs

of

tank

w

ith

suff

icie

nt c

apac

ity s

houl

d be

pro

vide

d on

-site

to

colle

ct,

stor

e an

d tre

at d

rillin

g flu

ids,

cutti

ngs

and/

or

chem

ical

s. Th

ese

tank

s sh

ould

be

su

rrou

nded

by

bund

s an

d re

gula

rly i

nspe

cted

and

m

aint

aine

d to

avo

id le

akag

e.

drill

ing

wor

ksdu

ring

cons

truct

ion

3.7.

10

2.9.

10D

urin

g di

rect

iona

l dr

illin

g,

exca

vate

d sp

oil

(cut

tings

) w

ill b

e ca

rrie

d as

a s

lurr

y w

ith t

he

drill

ing

fluid

to

emer

ge a

t C

heun

g C

hau.

The

sl

urry

shou

ld b

e tre

ated

to re

mov

e th

e cu

tting

s an

d re

cycl

ed

as

drill

ing

fluid

. C

uttin

gs

shou

ld

be

stor

ed in

con

tain

ers

prio

r to

rem

oval

and

dis

posa

l as

con

stru

ctio

n &

dem

oliti

on m

ater

ial t

o pu

blic

fill

rece

ptio

n fa

cilit

ies.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

11

2.9.

11If

tem

pora

ry s

tora

ge o

f cu

tting

s is

req

uire

d fo

r la

ter

reus

e, t

his

shou

ld b

e un

derta

ken

in C

heun

g C

hau.

Car

e sh

ould

be

take

n in

the

sto

rage

of

cutti

ngs

espe

cial

ly d

urin

g th

e w

et s

easo

n an

d th

e st

orag

e ar

ea s

houl

d be

cov

ered

and

bun

ded

to

prev

ent s

ilty

runo

ff e

nter

ing

wat

er b

odie

s.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

1B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

3.7.

12

2.9.

12A

sche

mat

ic la

yout

pla

n of

the

prop

osed

laun

chin

g si

te a

nd d

rain

age

mea

sure

s at

Che

ung

Cha

u is

sh

own

in F

igur

e 3.

3 to

dem

onst

rate

the

laun

chin

g si

te h

as a

dequ

ate

land

are

a to

set

up th

e ne

cess

ary

cons

truct

ion

equi

pmen

t, au

xilia

ry e

quip

men

t, si

te

offic

es a

nd d

rillin

g flu

id c

onta

inm

ent,

reco

very

an

d tre

atm

ent s

yste

ms.

In g

ener

al, t

he s

ite w

ill b

e di

vide

d in

to c

lean

are

a an

d di

rty a

rea.

The

cle

an

area

will

be

used

to h

ouse

the

site

off

ices

, sto

rage

ar

ea a

nd o

ther

non

-pol

lutin

g us

es. T

he d

irty

area

w

ill b

e th

e m

ain

drill

ing

wor

ks s

ite c

onsi

stin

g of

th

e dr

illin

g rig

, ent

ry p

it, m

ud ta

nk, d

rillin

g pi

pes

stor

age,

dr

illin

g flu

id

recy

clin

g an

d tre

atm

ent

syst

ems,

stoc

kpili

ng

area

an

d w

aste

wat

er

treat

men

t sys

tem

s.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

13

2.9.

13Th

e en

tire

dirty

are

a sh

ould

be

surr

ound

ed b

y a

0.5

m t

all

conc

rete

bun

d to

ful

ly c

onta

in a

nd

prev

ent

site

ru

noff

fr

om

disc

harg

ing

into

th

e m

arin

e w

ater

s un

treat

ed a

s w

ell

as t

o pr

even

t su

rfac

e ru

noff

from

ent

erin

g th

e si

te. T

he e

ntry

pit

shou

ld b

e fu

rther

sur

roun

ded

by a

0.3

m t

all

conc

rete

bun

d fo

r ad

ded

prot

ectio

n to

con

tain

and

av

oid

spill

age

of d

rillin

g flu

id.

All

site

run

off

shou

ld

be

dive

rted

to

an

adeq

uate

ly d

esig

ned

was

tew

ater

tre

atm

ent

syst

em f

or t

reat

men

t be

fore

di

scha

rge.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

2B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

3.7.

14

2.9.

14Th

e pe

rimet

er

of

the

clea

n ar

ea

shou

ld

be

surr

ound

ed w

ith 3

00 m

m u

-cha

nnel

to c

olle

ct a

nd

dive

rt al

l si

te

runo

ff

for

treat

men

t be

fore

di

scha

rge.

Bun

d sh

ould

be

prov

ided

to

prev

ent

surr

ound

ing

surf

ace

runo

ff fr

om e

nter

ing

the

site

.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

15

2.9.

15A

fter

sepa

ratin

g th

e cu

tting

s, be

nton

ite

slur

ry

shou

ld b

e re

-circ

ulat

ed f

or r

euse

in

the

drill

ing

wor

ks.

By

adop

ting

a fo

rwar

d re

amin

g ap

proa

ch

all

slur

ry t

reat

men

t an

d dr

illin

g flu

id r

ecyc

ling

syst

ems

shou

ld

be

loca

ted

and

man

aged

on

C

heun

g C

hau.

To m

inim

ize

adve

rse

wat

er q

ualit

yim

pact

fro m

drill

ing

wor

ks

Prop

osed

laun

chin

g si

te a

t C

heun

g C

hau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Rece

ptio

n Si

te a

t Lan

tau

�

3.7.

16

2.9.

16Th

e pi

lot

hole

and

rea

min

g sh

ould

be

stop

ped

appr

oxim

atel

y 50

m s

hort

of th

e fin

al e

xit p

oint

at

Chi

Ma

Wan

in

orde

r to

pre

vent

any

rel

ease

of

slur

ry i

n to

the

mar

ine

envi

ronm

ent.

Prio

r to

dr

illin

g th

e fin

al 5

0 m

, the

rea

med

hol

e sh

ould

be

thor

ough

ly

clea

ned

with

w

ater

to

re

mov

e al

l cu

tting

s an

d dr

illin

g flu

id.

The

final

50

m o

f dr

illin

g sh

ould

be

com

plet

ed u

sing

wat

er i

nste

ad

of b

ento

nite

in

orde

r to

pre

vent

the

rel

ease

of

bent

onite

at t

he e

xit p

it. A

ppro

xim

atel

y 0.

3 m

hig

h co

ncre

te b

und

shou

ld b

e co

nstru

cted

aro

und

the

exit

pit

to c

onta

in t

he d

rillin

g flu

id,

whi

ch i

s m

ainl

y si

lty w

ater

and

gen

erat

ed w

hen

the

drill

he

ad b

ores

thro

ugh

the

rock

at L

anta

u du

ring

the

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

rece

ptio

n si

te a

t La

ntau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

3B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

final

dr

illin

g pr

oces

s. Th

e ex

act

leve

l of

th

e co

ncre

te b

und

shou

ld b

e de

term

ined

on

site

to

ensu

re t

hat

it w

ill n

ot b

e lo

wer

tha

n th

e gr

ound

le

vel o

f the

laun

chin

g si

te a

t Che

ung

Cha

u.

3.7.

17

2.9.

17Th

e us

e of

con

tain

men

t st

ruct

ure

such

as

earth

bu

nd,

sand

bag

bar

riers

wra

pped

with

geo

text

ile

fabr

ic o

r si

mila

r m

ater

ial,

dive

rsio

n ch

anne

ls o

r ot

her

sim

ilar

tech

niqu

es

shou

ld

be

inst

alle

d su

rrou

ndin

g th

e si

te b

ound

ary

at L

anta

u du

ring

the

wet

sea

son

to in

terc

ept s

torm

run

off

from

out

side

th

e si

te s

o th

at it

will

not

was

h ac

ross

the

site

(or

in

to th

e ex

it pi

t).

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

rece

ptio

n si

te a

t La

ntau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

18

2.9.

18To

pro

vide

fur

ther

pro

tect

ion,

silt

cur

tain

sho

uld

be i

nsta

lled

befo

re c

omm

ence

men

t of

wor

ks a

t La

ntau

to m

inim

ize

the

wat

er q

ualit

y im

pact

. The

de

sign

and

ins

talla

tion

shou

ld b

e ce

rtifie

d by

the

En

viro

nmen

tal

Team

(E

T),

verif

ied

by

the

Inde

pend

ent

Envi

ronm

enta

l C

heck

er (

IEC

) an

d ap

prov

ed b

y th

e En

gine

er t

o en

sure

the

int

ende

d pr

otec

tion

can

be a

chie

ved.

The

Con

tract

or s

houl

d re

gula

rly i

nspe

ct a

nd m

aint

ain

the

silt

curta

in t

o en

sure

its e

ffec

tiven

ess.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

fro m

drill

ing

wor

ks

Prop

osed

rece

ptio

n si

te a

t La

ntau

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Man

agem

ent P

lans

and

Mon

itori

ng

�

3.7.

20

2.9.

20Th

e C

ontra

ctor

sh

ould

su

bmit

a D

rain

age

To m

inim

ize

adve

rse

All

wor

ks si

te /

Con

stru

ctio

n

�

Wat

er P

ollu

tion

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

4B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Man

agem

ent

Plan

de

taili

ng

the

tem

pora

ry

drai

nage

m

easu

res

alon

g w

ith

the

prop

osed

m

easu

res

to a

mel

iora

te th

e po

tent

ial w

ater

qua

lity

impa

cts

to

the

Envi

ronm

enta

l Te

am

(ET)

fo

r ce

rtific

atio

n,

the

Inde

pend

ent

Envi

ronm

enta

l C

heck

er (I

EC) f

or v

erifi

catio

n an

d to

the

Engi

neer

fo

r ap

prov

al

befo

re

com

men

cem

ent

of

the

cons

truct

ion

wor

ks.

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

durin

gco

nstru

ctio

nC

ontra

ctor

C

ontro

l Ord

inan

ce

3.7.

21

2.9.

21Th

e C

ontra

ctor

sho

uld

also

sub

mit

a D

rillin

g Fl

uid

Man

agem

ent

Plan

out

linin

g ex

pect

ed v

olum

e of

w

ater

, the

type

of s

oil a

nd a

n es

timat

ed q

uant

ity o

f be

nton

ite,

full

deta

ils

of p

lans

for

mon

itorin

g dr

illin

g flu

id f

low

(ou

t an

d re

turn

) an

d pr

essu

re,

was

tew

ater

di

scha

rge,

sl

urry

co

ntai

nmen

t, tre

atm

ent,

recy

clin

g an

d tra

nspo

rt,

and

the

appr

oved

dis

posa

l si

te.

The

pla

n sh

ould

als

o co

ntai

n de

tails

of

cont

inge

ncy

plan

s fo

r de

alin

g w

ith fr

ac-o

ut o

r oth

er in

adve

rtent

rele

ase

of s

lurr

y.

Con

tinge

ncy

plan

s sh

ould

incl

ude

the

prov

isio

n of

st

andb

y pu

mps

, con

tain

men

t boo

ms,

vacu

um u

nit

and

tank

s on

site

to

cont

ain

and

rem

ove

turb

id,

mud

dy w

ater

shou

ld in

cide

ntal

frac

-out

s occ

ur.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

in

parti

cula

r dur

ing

drill

ing

wor

ks

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

22

2.9.

22R

egul

ar

mon

itorin

g of

su

spen

ded

solid

s an

d tu

rbid

ity s

houl

d be

con

duct

ed d

urin

g co

nstru

ctio

n w

orks

. A

ny e

xcee

danc

e of

wat

er q

ualit

y in

the

ne

arby

wat

er b

odie

s ca

used

by

site

run

off

shou

ld

be re

ctifi

ed in

acc

orda

nce

with

EM

&A

pro

gram

me

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

5B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

for t

his P

roje

ct.

Con

cret

ing

Wor

k �

3.7.

23

2.9.

23R

unof

f sho

uld

be c

aref

ully

cha

nnel

led

and

treat

ed

to

prev

ent

conc

rete

-con

tam

inat

ed

wat

er

from

en

terin

g w

ater

bod

ies.

Adj

ustm

ent

of p

H c

an b

e ac

hiev

ed b

y ad

ding

a s

uita

ble

neut

ralis

ing

reag

ent

to w

aste

wat

er p

rior t

o di

scha

rge.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

(in

parti

cula

r co

ncre

ting

wor

ks)

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

24

2.9.

24A

ny e

xcee

danc

e of

the

acc

epta

ble

rang

e of

pH

le

vels

in n

earb

y w

ater

bod

ies c

ause

d by

site

runo

ff

cont

aini

ng

conc

rete

sh

ould

be

m

onito

red

and

rect

ified

und

er t

he E

M&

A p

rogr

amm

e fo

r th

is

Proj

ect.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

(in

parti

cula

r con

cret

ing

wor

ks)

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Site

Wor

ksho

p or

Dep

ot

�

Gen

eral

Con

stru

ctio

n W

orks

�

3.7.

25

2.9.

25Si

te

wor

ksho

p or

de

pot

incl

udin

g st

orag

e of

ch

emic

als a

nd c

hem

ical

was

te sh

ould

be

loca

ted

at

the

prop

osed

laun

chin

g si

te in

Che

ung

Cha

u on

ly.

No

wor

ksho

p or

dep

ot s

houl

d be

loc

ated

at

the

prop

osed

rece

ptio

n si

te in

Lan

tau.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

26

2.9.

26A

ny

Con

tract

or

gene

ratin

g w

aste

oi

l or

ot

her

chem

ical

s as

a

resu

lt of

hi

s ac

tiviti

es

shou

ld

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

A

ll w

orks

site

/ du

ring

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

6B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

regi

ster

as

a ch

emic

al w

aste

pro

duce

r and

pro

vide

a

safe

des

igna

ted

stor

age

area

for

che

mic

als

on

site

. The

sto

rage

site

sho

uld

be lo

cate

d aw

ay fr

om

exis

ting

wat

er b

odie

s.

durin

g co

nstru

ctio

nco

nstru

ctio

n

3.7.

27

2.9.

27A

ll co

mpo

unds

in

wor

ks a

reas

sho

uld

be l

ocat

ed

on a

reas

of h

ard

stan

ding

surf

ace

with

pro

visi

on o

f di

vers

ion

chan

nels

and

set

tlem

ent

pond

s w

here

ne

cess

ary

to a

llow

int

erce

ptio

n an

d co

ntro

lled

rele

ase

of s

ettle

d /

treat

ed w

ater

. H

ard

stan

ding

co

mpo

unds

sho

uld

drai

n vi

a an

oil

inte

rcep

tor.

The

oil

inte

rcep

tor

shou

ld b

e re

gula

rly i

nspe

cted

an

d cl

eane

d to

avo

id w

ash-

out o

f oil

durin

g st

orm

co

nditi

ons.

A b

ypas

s sh

ould

be

prov

ided

to a

void

ov

erlo

ad o

f th

e in

terc

epto

r's c

apac

ity. T

o pr

even

t sp

illag

e of

fu

els

or

othe

r ch

emic

als

to

wat

er

bodi

es, a

ll fu

el ta

nks

and

stor

age

area

s sh

ould

be

site

d on

sea

led

area

s w

ithin

a b

und

of a

cap

acity

eq

ual

to 1

10%

of

the

stor

age

capa

city

of

the

larg

est

tank

. W

here

te

mpo

rary

st

orag

e of

ch

emic

als

or fu

el d

rum

s ou

tsid

e th

e st

orag

e ar

ea is

ne

cess

ary,

drip

tray

sho

uld

be p

rovi

ded.

Dis

posa

l of

the

was

te o

il sh

ould

be

carr

ied

out b

y a

licen

sed

colle

ctor

. Goo

d ho

usek

eepi

ng p

ract

ices

sho

uld

be

impl

emen

ted

to m

inim

ise

care

less

spi

llage

and

to

keep

the

stor

age

and

the

wor

k sp

ace

in a

tidy

and

cl

ean

cond

ition

. A

ppro

pria

te t

rain

ing

incl

udin

g sa

fety

cod

es a

nd re

leva

nt m

anua

ls s

houl

d be

giv

en

to

the

pers

onne

l w

ho

regu

larly

ha

ndle

th

e ch

emic

als o

n si

te.

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

7B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Emer

genc

y C

ontin

genc

y Pl

an

�

3.7.

28

2.9.

28Th

e C

ontra

ctor

sh

ould

pr

epar

e an

Em

erge

ncy

Con

tinge

ncy

Plan

(sp

ill r

espo

nse

plan

) fo

r th

e Pr

ojec

t to

cont

ain

and

rem

ove

acci

dent

al s

pilla

ge

of d

rillin

g flu

ids,

chem

ical

s an

d al

l ha

zard

ous

mat

eria

ls o

n-si

te i

nclu

ding

fue

ls a

t sh

ort

notic

e an

d to

pre

vent

or

to m

inim

ize

the

quan

titie

s of

co

ntam

inan

ts

from

en

terin

g th

e ne

arby

w

ater

bo

dies

and

aff

ectin

g th

e se

nsiti

ve h

abita

ts.

The

Con

tract

or

shou

ld

subm

it th

e Em

erge

ncy

Con

tinge

ncy

Plan

to

th

e ET

fo

r re

view

&

co

mm

ent

and

to t

he E

ngin

eer

for

appr

oval

. Th

e Pl

an

shou

ld

incl

ude,

bu

t no

t lim

ited

to,

the

follo

win

g:

(i)po

tent

ial e

mer

genc

y si

tuat

ions

(ii

)ch

emic

als

or h

azar

dous

mat

eria

ls u

sed

on-

site

(and

thei

r loc

atio

n)

(iii)

emer

genc

y re

spon

se te

am

(iv)

emer

genc

y ac

tion

plan

s and

pro

cedu

res

(v)

list o

f em

erge

ncy

tele

phon

e ho

tline

s (v

i)lo

catio

ns a

nd t

ypes

of

emer

genc

y re

spon

se

equi

pmen

t(v

ii)tra

inin

g pl

an a

nd e

mer

genc

y dr

ill

(viii

)sc

hedu

les f

or re

view

and

aud

it.

To p

reve

nt o

rm

inim

ize

the

quan

titie

s of

cont

amin

ants

ent

erin

g th

e ne

arby

wat

er

bodi

es a

nd a

ffec

ting

the

habi

tats

in c

ase

of

acci

dent

al sp

illag

e of

ch

emic

als a

nd

haza

rdou

s mat

eria

ls

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

8B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Gen

eral

G

uida

nce

for

Han

dlin

g Sp

illag

e /

Leak

age

�

3.7.

29

2.9.

29In

the

even

t tha

t acc

iden

tal s

pilla

ge o

r le

akag

e of

ha

zard

ous

subs

tanc

es

/ ch

emic

al

was

tes

take

s pl

ace,

the

res

pons

e pr

oced

ures

as

liste

d be

low

sh

ould

be

follo

wed

. It

shou

ld b

e no

ted

that

the

pr

oced

ures

be

low

ar

e no

t ex

haus

tive.

Th

e C

ontra

ctor

sh

ould

pr

opos

e ot

her

resp

onse

pr

oced

ures

in

the

emer

genc

y co

ntin

genc

y pl

an

base

d on

act

ual

site

con

ditio

ns a

s w

ell

as t

he

parti

cula

r ty

pes

and

quan

titie

s of

che

mic

als

or

haza

rdou

s sub

stan

ces u

sed,

han

dled

and

stor

ed o

n-si

te.

�C

onta

ct p

erso

n in

cha

rge

or n

omin

ated

per

son

imm

edia

tely

and

initi

ate

actio

n pl

ans

base

d on

th

e em

erge

ncy

cont

inge

ncy

plan

. �

Oil

leak

age

or s

pilla

ge s

houl

d be

con

tain

ed

and

clea

ned

up im

med

iate

ly. W

aste

oil

shou

ld

be

colle

cted

an

d st

ored

fo

r re

cycl

ing

or

disp

osal

in

ac

cord

ance

w

ith

the

Was

te

Dis

posa

l Ord

inan

ce.

�In

stru

ct u

ntra

ined

per

sonn

el t

o ke

ep a

t a

safe

di

stan

ce w

ell a

way

from

the

spill

age

area

. �

If th

e sp

illag

e / l

eaka

ge is

sev

ere

or is

cau

sing

ha

zard

to

life,

ini

tiate

em

erge

ncy

evac

uatio

n an

d ca

ll th

e em

erge

ncy

serv

ices

. �

Onl

y tra

ined

per

sons

equ

ippe

d w

ith s

uita

ble

prot

ectiv

e cl

othi

ng a

nd e

quip

men

t sh

ould

be

allo

wed

to

en

ter

and

clea

n up

th

e w

aste

To p

reve

nt o

rm

inim

ize

the

quan

titie

s of

cont

amin

ants

ent

erin

g th

e ne

arby

wat

er

bodi

es a

nd a

ffec

ting

the

habi

tats

in c

ase

of

acci

dent

al sp

illag

e of

ch

emic

als a

nd

haza

rdou

s mat

eria

ls

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-1

9B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

spill

age

/ lea

kage

are

a.

�W

here

the

spi

llage

/ l

eaka

ge i

s co

ntai

ned

in

the

encl

osed

sto

rage

are

a, t

he w

aste

can

be

trans

ferr

ed b

ack

into

sui

tabl

e co

ntai

ners

by

suita

ble

hand

held

equ

ipm

ent,

such

as

hand

op

erat

ed p

umps

, sc

oops

or

shov

els.

If t

he

spill

age

/ le

akag

e qu

antit

y is

sm

all,

it ca

n be

co

vere

d an

d m

ixed

with

sui

tabl

e ab

sorb

ing

mat

eria

ls s

uch

as a

bsor

bent

tiss

ue p

aper

, pad

s, dr

y so

ft sa

nd o

r ve

rmic

ulite

. Th

e re

sulta

nt

slur

ry s

houl

d be

trea

ted

as c

hem

ical

was

te a

nd

trans

ferr

ed to

suita

ble

cont

aine

rs fo

r dis

posa

l. �

For

spill

age

/ le

akag

e in

to

near

by

wat

er

bodi

es, i

mm

edia

te a

ctio

n is

requ

ired

to c

onta

in

the

spill

age

/ le

akag

e. A

ppro

pria

te s

truct

ural

, ph

ysic

al

barr

ier

or

seco

ndar

y co

ntai

nmen

t (e

.g. c

onta

inm

ent

boom

s) s

houl

d be

dep

loye

d to

con

tain

the

spi

ll an

d if

poss

ible

to

prev

ent

cont

amin

ated

w

ater

fr

om

disp

ersi

ng

away

fr

om

the

sour

ce.

Suita

ble

liqui

d ab

sorb

ing

mat

eria

ls s

uch

as a

bsor

bent

tiss

ue p

aper

, pad

s or

rol

ls s

houl

d be

use

d to

rec

over

the

spi

lt su

bsta

nces

. Th

e re

sulta

nt

slur

ry

shou

ld

be

treat

ed a

s ch

emic

al w

aste

and

tra

nsfe

rred

to

suita

ble

cont

aine

rs fo

r dis

posa

l. �

For

spill

age

/ le

akag

e in

ot

her

area

s, im

med

iate

act

ion

is r

equi

red

to c

onta

in t

he

spill

age

/ le

akag

e. S

uita

ble

liqui

d ab

sorb

ing

mat

eria

ls s

uch

as a

bsor

bent

tiss

ue p

aper

, pad

s, dr

y so

ft sa

nd o

r ve

rmic

ulite

sho

uld

be u

sed

to

cove

r th

e sp

ill. T

he r

esul

tant

slu

rry

shou

ld b

e

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

0B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

treat

ed a

s ch

emic

al w

aste

and

tra

nsfe

rred

to

suita

ble

cont

aine

rs fo

r dis

posa

l. �

Are

as

that

ha

ve

been

co

ntam

inat

ed

by

chem

ical

was

te s

pilla

ge /

lea

kage

sho

uld

be

clea

ned.

Whi

le w

ater

is

a so

lubl

e so

lven

t fo

r aq

ueou

s ch

emic

al w

aste

s an

d w

ater

sol

uble

or

gani

c w

aste

, ke

rose

ne o

r tu

rpen

tine

shou

ld

be u

sed

for

orga

nic

chem

ical

was

tes

that

are

no

t so

lubl

e in

wat

er.

The

was

te f

rom

the

cl

eanu

p op

erat

ion

shou

ld

be

treat

ed

and

disp

osed

of a

s che

mic

al w

aste

. �

In in

cide

nts

whe

re th

e sp

illag

e / l

eaka

ge m

ay

resu

lt in

sig

nific

ant

cont

amin

atio

n of

an

area

or

ris

k of

po

llutio

n,

the

Envi

ronm

enta

l Pr

otec

tion

Dep

artm

ent

and

othe

r re

leva

nt

depa

rtmen

ts sh

ould

be

info

rmed

imm

edia

tely

.

Pres

ence

of A

dditi

onal

Pop

ulat

ion

(Wor

kers

)

�

3.7.

30

2.9.

30Se

wag

e ar

isin

g fr

om t

he a

dditi

onal

con

stru

ctio

n w

orke

rs o

n si

te s

houl

d be

col

lect

ed i

n a

suita

ble

stor

age

faci

lity,

suc

h as

por

tabl

e ch

emic

al to

ilets

. A

n ad

equa

te n

umbe

r of

por

tabl

e to

ilets

sho

uld

be

prov

ided

fo

r th

e co

nstru

ctio

n w

orkf

orce

. Th

e po

rtabl

e to

ilets

shou

ld b

e m

aint

aine

d in

a st

ate

that

w

ill

not

dete

r th

e w

orke

rs

from

us

ing

them

. W

aste

wat

er c

olle

cted

sho

uld

be d

isch

arge

d in

to

foul

sew

ers a

nd c

olle

cted

by

licen

sed

colle

ctor

s.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

31

2.9.

31Th

e co

llect

ed w

aste

wat

er f

rom

sew

age

faci

litie

s an

d al

so fr

om e

atin

g ar

eas

or w

ashi

ng fa

cilit

ies

of

site

off

ices

sho

uld

be d

ispo

sed

to f

oul

sew

er.

If

To m

inim

ize

adve

rse

wat

er q

ualit

y im

pact

A

ll w

orks

site

/ du

ring

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

1B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

ther

e is

no

foul

sew

er in

the

vici

nity

, a s

eptic

tank

an

d so

akaw

ay s

yste

m o

r for

larg

er fl

ow, a

sew

age

treat

men

t pl

ant

shou

ld b

e pr

ovid

ed. A

ll do

mes

tic

sew

age

disc

harg

es (

exce

pt i

nto

foul

sew

er)

are

cont

rolle

d un

der t

he W

PCO

. The

Con

tract

or m

ust

appl

y fo

r a

disc

harg

e lic

ence

fro

m E

PD a

nd m

ust

com

ply

with

the

ter

ms

and

cond

ition

s of

a v

alid

W

PCO

lice

nce.

durin

g co

nstru

ctio

nW

ater

Pol

lutio

n C

ontro

l Ord

inan

ce

Ster

iliza

tion

of

Wat

er

Mai

n Pr

ior

to

Com

mis

sion

ing

�

3.7.

32

2.9.

32Ef

fluen

t fr

om

the

ster

iliza

tion

of

wat

er

mai

n sh

ould

be

tre

ated

in

clud

ing

dech

lorin

atio

n by

ph

ysic

al

proc

ess

e.g.

ad

sorp

tion

by

activ

ated

ca

rbon

fil

ter,

or

chem

ical

pr

oces

s e.

g.

neut

ralis

atio

n by

dec

hlor

inat

ion

agen

t do

sing

to

ensu

re

com

plia

nce

with

th

e di

scha

rge

requ

irem

ents

stip

ulat

ed in

the

TM-D

SS. A

dequ

ate

tank

s w

ith s

uffic

ient

cap

acity

sho

uld

be p

rovi

ded

to a

llow

pro

per

treat

men

t of

the

eff

luen

t pr

ior

to

disc

harg

e.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

in

parti

cula

r du

ring

steril

izat

ion

of

the

com

plet

ed w

ater

mai

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

33

2.9.

33Th

e st

erili

zatio

n of

th

e w

ater

m

ain

and

the

dech

lorin

atio

n pr

oces

s sh

ould

be

cond

ucte

d at

the

laun

chin

g si

te a

t C

heun

g C

hau.

As

the

site

at

Che

ung

Cha

u is

de

sign

ated

fo

r se

cond

ary

recr

eatio

nal

cont

act,

the

ster

iliza

tion

of t

he m

ain

shou

ld b

e sc

hedu

led

durin

g th

e dr

y se

ason

. Th

e

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

in

parti

cula

r du

ring

steril

izat

ion

of

the

com

plet

ed w

ater

mai

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

2B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Con

tract

or

shou

ld

subm

it fo

r th

e En

gine

er

appr

oval

, det

ails

of t

he d

echl

orin

atio

n pr

oces

s an

d an

y ch

emic

als i

nclu

ding

dos

age

to b

e us

ed.

3.7.

34

2.9.

34Th

e C

ontra

ctor

sho

uld

prov

ide

a de

chlo

rinat

ion

plan

t of s

uffic

ient

cap

acity

to c

onta

in a

nd tr

eat t

he

ster

ilisi

ng w

ater

with

hig

h ch

lorin

e co

ncen

tratio

n be

fore

dis

char

ge.

Det

ails

of

the

spec

ifica

tion

of

the

dech

lorin

atio

n pl

ant s

houl

d be

subm

itted

to th

e En

gine

er f

or a

ppro

val.

They

sho

uld

incl

ude

but

not l

imite

d to

the

follo

win

g:

�th

e no

min

al f

low

rat

e sh

all

not

be l

ess

than

36

cub

ic m

eter

per

hou

r; �

the

plan

t sh

all

be c

apab

le o

f de

chlo

rinat

ing

wat

er w

ith c

hlor

ine

leve

l up

to 4

0 m

g/lit

re;

�th

e m

axim

um c

hlor

ine

leve

l of

dech

lorin

ated

w

ater

shal

l be

<0.2

mg/

litre

; �

the

reco

mm

ende

d co

ntac

t tim

e if

dech

lorin

atio

n by

ads

orpt

ion

with

act

ivat

ed

carb

on fi

lter i

s pro

pose

d;

�a

wat

er m

eter

or o

ther

mea

surin

g de

vice

sha

ll be

in

stal

led

at

the

inle

t pi

pe

of

the

dech

lorin

atio

n pl

ant

to m

easu

re t

he a

mou

nt

of w

ater

trea

ted,

in c

ubic

met

res;

and

�

sens

ors

and

data

lo

gger

s fo

r co

ntin

uous

m

easu

rem

ent

and

reco

rd o

f ch

lorin

e le

vel

shal

l be

inst

alle

d at

the

inle

t and

out

let p

ipe

of th

e de

chlo

rinat

ion

plan

t.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

in

parti

cula

r du

ring

steril

izat

ion

of

the

com

plet

ed w

ater

mai

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

3B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

s

Obj

ectiv

es o

f the

R

ecom

men

ded

Mea

sure

s and

Mai

n C

once

rns t

o ad

dres

sed

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

3.7.

35

2.9.

35In

-situ

test

ing

of to

tal r

esid

ual c

hlor

ine

shou

ld b

e co

nduc

ted

ever

y ho

ur a

t th

e di

scha

rge

poin

t to

en

sure

the

chlo

rine

conc

entra

tion

does

not

exc

eed

the

stip

ulat

ed m

axim

um le

vel w

hen

dech

lorin

ated

w

ater

is b

eing

dis

char

ged.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

in

parti

cula

r du

ring

steril

izat

ion

of

the

com

plet

ed w

ater

mai

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

3.7.

36

2.9.

36If

the

dec

hlor

inat

ed w

ater

exc

eed

the

allo

wed

co

ncen

tratio

n, d

isch

arge

mus

t be

sus

pend

ed a

nd

the

wat

er s

houl

d be

circ

ulat

ed t

o a

stan

dby

tank

fo

r fur

ther

dec

hlor

inat

ion

and

test

ing.

The

loca

tion

of

the

sam

plin

g po

int

will

de

pend

s on

th

e di

scha

rge

poin

t to

be p

ropo

sed

by th

e C

ontra

ctor

. Th

e C

ontra

ctor

sh

ould

su

bmit

deta

ils

of

the

prop

osed

sa

mpl

ing

loca

tion,

fr

eque

ncy

and

equi

pmen

t fo

r ve

rific

atio

n by

the

ET

Lead

er a

nd

appr

oval

by

the

Engi

neer

bef

ore

com

men

cem

ent

of t

he s

teril

izat

ion

wor

k of

the

com

plet

ed w

ater

m

ain.

The

pro

pose

d sa

mpl

ing

loca

tion(

s) s

houl

d be

subm

itted

to E

PD fo

r ref

eren

ce.

To

min

imiz

e ad

vers

e w

ater

qu

ality

im

pact

du

ring

cons

truct

ion

in

parti

cula

r du

ring

steril

izat

ion

of

the

com

plet

ed w

ater

mai

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

ProP

ECC

PN

1/9

4

Wat

er P

ollu

tion

Con

trol O

rdin

ance

Wat

er Q

ualit

y - O

pera

tiona

l Pha

se

Nil

��

*

D=D

esig

n, C

=Con

stru

ctio

n, O

=Ope

ratio

nN

/A

Not

app

licab

le

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

7B

&V

Tab

le A

.4

Im

plem

enta

tion

Sche

dule

of W

aste

Man

agem

ent M

easu

res

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Was

te -

Con

stru

ctio

n Ph

ase

Gen

eral

�

7.6.

1 5.

1.1

The

HK

SAR

Gov

ernm

ent's

con

struc

tion

and

dem

oliti

on w

aste

man

agem

ent p

olic

y fo

llow

s the

sa

me

hier

arch

y as

for o

ther

was

tes,

i.e. i

n or

der o

f de

sirab

ility

: avo

idan

ce, m

inim

isatio

n, re

cycl

ing,

tre

atm

ent a

nd sa

fe d

ispos

al o

f was

te. D

urin

g th

e co

nstru

ctio

n pe

riod

the

Con

tract

or, E

ngin

eer a

nd

envi

ronm

enta

l spe

cial

ists

(Env

ironm

enta

l Tea

m,

Inde

pend

ent E

nviro

nmen

tal C

heck

) sho

uld

wor

k cl

osel

y to

geth

er w

ith a

vie

w to

redu

ce th

e vo

lum

es

of m

ater

ials

requ

iring

rem

oval

and

fina

l dis

posa

l.

To re

duce

the

volu

mes

of

mat

eria

ls re

quiri

ng

rem

oval

and

fina

l di

spos

al

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

,En

gine

er,

Envi

ronm

enta

lTe

am a

nd

Inde

pend

ent

Envi

ronm

enta

lC

heck

��

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

7.6.

2 5.

1.2

Upo

n ap

poin

tmen

t, th

e m

ain

Con

tract

or o

f eac

h co

nstru

ctio

n co

ntra

ct sh

ould

pre

pare

and

im

plem

ent a

n En

viro

nmen

tal M

anag

emen

t Pla

n (E

MP)

in a

ccor

danc

e w

ith E

TWB

TC

W N

o.

19/2

005

– “E

nviro

nmen

tal M

anag

emen

t on

Con

stru

ctio

n Si

tes”

whi

ch sh

ould

des

crib

e th

e ar

rang

emen

ts fo

r avo

idan

ce, r

euse

, rec

over

y,

recy

clin

g, st

orag

e, c

olle

ctio

n, tr

eatm

ent a

nd

disp

osal

of d

iffer

ent c

ateg

orie

s of w

aste

to b

e ge

nera

ted

from

the

cons

truct

ion

activ

ities

. The

EM

P sh

ould

inco

rpor

ate

site

spec

ific

fact

ors,

such

as

the

desi

gnat

ion

of a

reas

for s

egre

gatio

n an

d te

mpo

rary

stor

age

of re

usab

le a

nd re

cycl

able

m

ater

ials

. The

was

te m

anag

emen

t pla

n no

w

beco

mes

par

t of t

he E

MP.

The

EM

P sh

ould

be

subm

itted

to th

e En

gine

er fo

r app

rova

l. Th

e

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

8B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Con

tract

or sh

ould

impl

emen

t the

was

te

man

agem

ent p

ract

ices

in th

e EM

P th

roug

hout

the

cons

truct

ion

stag

e of

the

Proj

ect.

The

EMP

shou

ld

be re

view

ed re

gula

rly a

nd u

pdat

ed (p

refe

rabl

y m

onth

ly) b

y th

e C

ontra

ctor

. The

EM

P sh

ould

take

in

to a

ccou

nt th

e re

com

men

ded

miti

gatio

n m

easu

res

in th

e ap

prov

ed E

IA R

epor

t.

7.6.

3 5.

1.3

The

Con

tract

or sh

ould

refe

r to

the

Con

stru

ctio

n an

d D

emol

ition

Mat

eria

l Man

agem

ent P

lan

(C&

DM

MP)

to b

e co

nduc

ted

durin

g th

e de

sign

st

age

of th

is P

roje

ct to

faci

litat

e hi

m in

the

prep

arat

ion

of th

e EM

P. T

he C

&D

MM

P sh

ould

be

endo

rsed

by

WSD

’s V

ettin

g C

omm

ittee

and

ap

prov

ed b

y th

e Pu

blic

Fill

Com

mitt

ee (P

FC).

WSD

’s V

ettin

g C

omm

ittee

will

mon

itor t

he

impl

emen

tatio

n of

the

C&

DM

MP

and

repo

rt to

Pu

blic

Fill

Com

mitt

ee in

acc

orda

nce

with

ETW

B

TCW

No.

33/

2002

dur

ing

cons

truct

ion.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

4 5.

1.4

The

Con

tract

or sh

ould

nom

inat

e an

app

ropr

iate

pe

rson

, suc

h as

site

age

nt o

r env

ironm

enta

l off

icer

, to

be

resp

onsi

ble

for g

ood

site

pra

ctic

es,

arra

ngem

ent f

or c

olle

ctio

n an

d ef

fect

ive

disp

osal

of

all w

aste

s gen

erat

ed a

t the

site

to a

n ap

prov

ed

faci

lity.

Tra

inin

g of

con

stru

ctio

n st

aff s

houl

d be

un

derta

ken

by th

e C

ontra

ctor

abo

ut th

e co

ncep

t of

site

cle

anlin

ess a

nd a

ppro

pria

te w

aste

man

agem

ent

proc

edur

es. T

he C

ontra

ctor

shou

ld d

evel

op a

nd

prov

ide

tool

box

talk

for o

n-si

te so

rting

of C

&D

m

ater

ials

to e

nhan

ce w

orke

r’s a

war

enes

s in

hand

ling,

sorti

ng, r

euse

and

recy

clin

g of

C&

D

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-2

9B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

mat

eria

ls. R

equi

rem

ents

for s

taff

trai

ning

shou

ld b

e in

clud

ed in

the

EMP.

7.6.

5 5.

1.5

Goo

d pl

anni

ng a

nd si

te m

anag

emen

t pra

ctic

e sh

ould

be

empl

oyed

to e

limin

ate

over

ord

erin

g or

m

ixin

g of

con

stru

ctio

n m

ater

ials

to re

duce

was

tage

. Pr

oper

stor

age

and

site

pra

ctic

es w

ill m

inim

ise

the

dam

age

or c

onta

min

atio

n of

con

stru

ctio

n m

ater

ials

. R

egul

ar c

lean

ing

and

mai

nten

ance

of t

he w

aste

st

orag

e ar

ea sh

ould

be

prov

ided

.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

6 5.

1.6

Whe

re w

aste

gen

erat

ion

is u

navo

idab

le, t

he

pote

ntia

l for

recy

clin

g or

reus

e sh

ould

be

rigor

ousl

y ex

plor

ed. I

f was

tes c

anno

t be

recy

cled

, di

spos

al ro

utes

des

crib

ed in

the

EMP

shou

ld b

e fo

llow

ed. A

reco

ding

syst

em fo

r the

am

ount

of

was

te g

ener

ated

, rec

ycle

d an

d di

spos

ed (i

nclu

ding

th

e di

spos

al si

tes)

shou

ld b

e im

plem

ente

d. In

ord

er

to m

onito

r the

dis

posa

l of C

&D

mat

eria

l and

solid

w

aste

s at p

ublic

filli

ng fa

cilit

ies a

nd la

ndfil

ls a

nd to

co

ntro

l fly

-tipp

ing,

a tr

ip-ti

cket

syst

em sh

ould

be

incl

uded

. One

may

mak

e re

fere

nce

to E

TWB

TC

W

No.

31/

2004

for d

etai

ls.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

1/20

04

7.6.

7 5.

1.7

Impo

rted

soft

fill a

nd ro

cks,

if re

quire

d, sh

ould

be

sour

ce fr

om C

EDD

’s fi

ll ba

nk, o

ther

pro

ject

s or

othe

r app

rove

d so

urce

s ins

tead

of u

sing

new

m

ater

ials

. App

rova

l fro

m th

e En

gine

er a

nd a

ll ot

her

rele

vant

par

ties s

houl

d be

obt

aine

d by

the

Con

tract

or b

efor

e im

porta

tion

of th

e fil

l mat

eria

ls.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

0B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

7.6.

8 5.

1.8

The

mai

n st

agin

g ar

ea o

f the

wor

ks sh

ould

be

loca

ted

at th

e pr

opos

ed la

unch

ing

site

in C

heun

g C

hau.

Sto

rage

of e

quip

men

t, m

ater

ials

, che

mic

al

was

te a

nd g

ener

al re

fuse

as w

ell a

s the

dril

ling

fluid

recy

clin

g sy

stem

shou

ld a

lso

be lo

cate

d in

C

heun

g C

hau.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

On-

site

Sor

ting,

Reu

se a

nd R

ecyc

ling

�

7.6.

9 5.

1.9

All

was

te m

ater

ials

shou

ld b

e se

greg

ated

into

ca

tego

ries c

over

ing:

�ex

cava

ted

mat

eria

ls su

itabl

e fo

r pub

lic fi

lling

fa

cilit

ies;

�re

mai

ning

C&

D w

aste

for l

andf

ill;

�sp

ent b

ento

nite

for p

ublic

filli

ng fa

cilit

ies

�ch

emic

al w

aste

; and

�ge

nera

l ref

use

for l

andf

ill.

Was

te re

duct

ion,

reus

e, re

cycl

ing

and

prop

er

disp

osal

of w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

10

5.1.

10Pr

oper

seg

rega

tion

and

disp

osal

of

cons

truct

ion

was

te s

houl

d be

im

plem

ente

d. S

epar

ate

cont

aine

rs

shou

ld b

e pr

ovid

ed fo

r ine

rt an

d no

n-in

ert w

aste

s.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

1B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

7.6.

11

5.1.

11Th

e re

use

of e

xcav

ated

mat

eria

ls w

ithin

this

Pro

ject

sh

ould

be

ad

opte

d as

fa

r as

pr

actic

able

. Th

e op

portu

nity

of r

eusi

ng th

e m

ater

ial i

n ot

her p

roje

cts

in C

heun

g C

hau

shou

ld a

lso

be e

xplo

red.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

g de

taile

d de

sign

and

co

nstru

ctio

n

Det

aile

d D

esig

n En

gine

er /

Con

stru

ctio

nC

ontra

ctor

��

W

aste

Dis

posa

l O

rdin

ance

ETW

B T

CW

No.

19

/200

5

7.6.

12

5.1.

12So

rting

is im

porta

nt to

rec

over

mat

eria

ls f

or r

euse

an

d re

cycl

ing.

Spe

cific

are

a sh

ould

be

allo

cate

d fo

r on

-site

sor

ting

of C

&D

mat

eria

ls a

nd to

pro

vide

a

tem

pora

ry s

tora

ge a

rea

for

thos

e so

rted

mat

eria

ls

such

as

met

als,

conc

rete

, tim

ber,

plas

tics,

glas

s, ex

cava

ted

spoi

ls, b

ricks

/ til

es a

nd w

aste

pap

ers.

If

area

is li

mite

d, a

ll C

&D

mat

eria

ls sh

ould

at l

east

be

sorte

d on

-site

int

o in

ert

and

non-

iner

t co

mpo

nent

. N

on-in

ert m

ater

ials

(C

&D

was

te)

such

as

bam

boo,

tim

ber,

vege

tatio

n,

pack

agin

g w

aste

an

d ot

her

orga

nic

mat

eria

ls s

houl

d be

reu

sed

and

recy

cled

w

here

ver

poss

ible

and

dis

pose

d of

to

desi

gnat

ed

land

fill o

nly

as a

last

reso

rt. In

ert m

ater

ials

(pub

lic

fill)

such

as

co

ncre

te,

ston

e,

clay

, br

ick,

so

il,

asph

alt a

nd th

e lik

e sh

ould

be

sepa

rate

d an

d re

use

in th

is o

r oth

er p

roje

cts

(sub

ject

to a

ppro

val b

y th

e re

leva

nt p

artie

s in

acc

orda

nce

with

the

ETW

B

TCW

No.

31/

2004

) be

fore

dis

pose

d of

at a

pub

lic

fillin

g fa

cilit

y op

erat

ed b

y C

ivil

Engi

neer

ing

and

Dev

elop

men

t Dep

artm

ent (

CED

D).

Stee

l and

oth

er

met

als

shou

ld b

e re

cove

red

from

dem

oliti

on w

aste

st

ream

and

recy

cled

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

1/20

04

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

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er S

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ung

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atio

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283

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ain

Con

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atio

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ing

Impl

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tatio

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gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

7.6.

13

5.1.

13Th

e re

use

of in

ert m

ater

ials

suc

h as

soi

l, ro

ck a

nd

brok

en c

oncr

ete

shou

ld b

e m

axim

ised

. W

aste

sh

ould

be

se

para

ted

into

fin

e,

soft

and

hard

m

ater

ials

. W

ith th

e us

e of

a c

rush

er c

oars

e m

ater

ial

can

be c

rush

ed t

o m

ake

it su

itabl

e fo

r us

e as

fill

m

ater

ial

whe

re f

ill i

s re

quire

d in

the

wor

ks.

This

m

inim

ises

th

e us

e of

im

porte

d m

ater

ial

and

max

imis

es u

se o

f the

C&

D m

ater

ial p

rodu

ced.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

14

5.1.

14Pr

ior

to

expo

rt of

m

ater

ial

from

th

e si

te,

the

pote

ntia

l fo

r it

to b

e re

used

sho

uld

be a

sses

sed.

M

ost

C&

D m

ater

ial

can

easi

ly b

e re

used

with

m

inim

um p

roce

ssin

g. W

aste

sep

arat

ion

met

hods

sh

ould

be

follo

wed

to

ensu

re t

hat

C&

D w

aste

is

sepa

rate

d at

sou

rce.

Su

itabl

e so

ft m

ater

ials

sho

uld

be

used

fo

r la

ndsc

apin

g an

d gr

adin

g of

em

bank

men

ts.

Fine

mat

eria

l sh

ould

be

sepa

rate

d ou

t and

use

d as

tops

oil.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

15

5.1.

15Th

e fe

asib

ility

of u

sing

rec

ycle

d ag

greg

ates

in li

eu

of v

irgin

mat

eria

ls s

houl

d be

rigo

rous

ly c

onsi

dere

d du

ring

the

deta

iled

desi

gn a

nd c

onst

ruct

ion

stag

es

as s

tipul

ated

in

WB

TC N

o. 1

2/20

02 a

nd E

TWB

TC

W N

o. 2

4/20

04. I

n ge

nera

l, re

cycl

ed a

ggre

gate

s ar

e su

itabl

e fo

r us

e as

fill

mat

eria

ls in

ear

thw

orks

, ro

ad

sub-

base

fo

rmat

ion,

an

d dr

aina

ge

wor

ks.

Rec

ycle

d ag

greg

ates

can

als

o be

use

d in

con

cret

e (u

p to

Gra

de 3

5) fo

r mas

s co

ncre

te w

alls

and

oth

er

min

or s

truct

ures

suc

h as

pla

nter

box

es,

toe

wal

l

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 2

4/20

04

WB

TC N

o.

12/2

002

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

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Janu

ary

2010

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1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

3B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

plan

ters

and

pav

emen

t, et

c.

Site

Cle

aran

ce /

Dem

oliti

on M

ater

ials

Exca

vate

d M

ater

ials

7.6.

16

5.1.

16A

ll C

&D

mat

eria

ls s

houl

d be

sor

ted

on-s

ite i

nto

iner

t and

non

-iner

t co

mpo

nent

s by

the

Con

tract

or.

Non

ine

rt m

ater

ials

(C

&D

was

te)

such

as

woo

d,

glas

s an

d pl

astic

sho

uld

be r

euse

d an

d re

cycl

ed

befo

re d

ispo

sal

to a

des

igna

ted

land

fill

as a

las

t re

sort

(cur

rent

ly a

ssum

e to

be

the

WEN

T La

ndfil

l) vi

a th

e C

heun

g C

hau

Ref

use

Tran

sfer

Sta

tion.

Iner

t m

ater

ials

(pub

lic fi

ll) s

houl

d be

reus

ed o

n-si

te o

r in

othe

r pr

ojec

ts

appr

oved

by

re

leva

nt

parti

es

in

acco

rdan

ce w

ith t

he E

TWB

TC

W N

o. 3

1/20

04

befo

re d

ispo

sed

of a

t pub

lic fi

ll re

cept

ion

faci

litie

s. St

eel

and

othe

r m

etal

s if

any

shou

ld b

e re

cove

red

from

C&

D m

ater

ials

and

recy

cled

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

1/20

04

7.6.

17

5.1.

17G

ood

qual

ity r

eusa

ble

tops

oil s

houl

d be

sto

ckpi

led

for

late

r la

ndsc

apin

g w

orks

. St

ockp

iles

shou

ld b

e le

ss th

an 2

m in

hei

ght,

form

ed to

a s

afe

angl

e of

re

pose

and

hyd

rose

eded

or

cove

red

with

tar

paul

in

to p

reve

nt e

rosi

on d

urin

g th

e ra

iny

seas

on a

nd t

o m

inim

ise

dust

gen

erat

ion.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

18

5.1.

18C

ontro

l m

easu

res

for

tem

pora

ry s

tock

pile

s on

-site

sh

ould

be

take

n in

ord

er t

o m

inim

ize

the

nois

e,

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

A

ll w

ork

site

s /du

ring

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

4B

&V

Impl

emen

tatio

nSt

ages

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IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

gene

ratio

n of

dus

t, po

llutio

n of

wat

er a

nd v

isua

l im

pact

. The

se m

easu

res i

nclu

de:

�su

rfac

e of

sto

ckpi

led

soil

shou

ld b

e re

gula

rly

wet

ted

with

w

ater

es

peci

ally

du

ring

dry

seas

on;

�di

stur

banc

e of

st

ockp

iled

soil

shou

ld

be

min

imiz

ed;

�st

ockp

iled

soil

shou

ld b

e pr

oper

ly c

over

ed w

ith

tarp

aulin

esp

ecia

lly w

hen

heav

y ra

in s

torm

s ar

e pr

edic

ted;

�st

ockp

iling

are

as s

houl

d be

enc

lose

d w

here

sp

ace

is a

vaila

ble;

�st

ockp

iling

loc

atio

n sh

ould

be

away

fro

m t

he

wat

er b

odie

s; a

nd

�an

inde

pend

ent

surf

ace

wat

er d

rain

age

syst

em

equi

pped

with

silt

tra

ps s

houl

d be

ins

talle

d at

th

e st

ockp

iling

are

a.

disp

osal

of w

aste

co

nstru

ctio

n ET

WB

TC

W N

o.

19/2

005

7.6.

19

5.1.

19Th

e id

entif

icat

ion

of f

inal

dis

posa

l si

tes

for

C&

D

mat

eria

ls g

ener

ated

by

the

cons

truct

ion

wor

ks w

ill

be c

onsi

dere

d du

ring

the

deta

iled

desi

gn s

tage

of

the

Proj

ect

whe

n th

e vo

lum

e an

d ty

pes

of C

&D

m

ater

ials

can

be

mor

e ac

cura

tely

est

imat

ed.

The

Publ

ic

Fill

Com

mitt

ee

of

CED

D

shou

ld

be

cons

ulte

d on

des

igna

ted

outle

ts (

e.g.

pub

lic f

ill

rece

ptio

n fa

cilit

y) fo

r pub

lic fi

ll, w

hils

t EPD

shou

ld

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

4/20

02

WB

TC N

o.

12/2

000

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

5B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

be c

onsu

lted

on l

andf

ills

for

C&

D w

aste

. Th

e pu

blic

fill

to

be d

ispo

sed

to p

ublic

fill

rec

eptio

n fa

cilit

ies

mus

t con

sist

ent

irely

of

iner

t con

stru

ctio

n m

ater

ials

. Dis

posa

l of

C&

D w

aste

to la

ndfil

l mus

t no

t ha

ve

mor

e th

an

50%

by

w

eigh

t of

in

ert

mat

eria

l. Th

e C

&D

was

te d

eliv

ered

for

lan

dfill

di

spos

al sh

ould

con

tain

no

free

wat

er a

nd th

e liq

uid

cont

ent s

houl

d no

t exc

eed

70%

by

wei

ght.

7.6.

20

5.1.

20In

ord

er to

avo

id d

ust o

r odo

ur im

pact

s, an

y ve

hicl

e le

avin

g a

wor

ks a

rea

carr

ying

C&

D w

aste

or p

ublic

fil

l sh

ould

hav

e th

eir

load

cov

ered

bef

ore

leav

ing

the

cons

truct

ion

site

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

WB

TC N

o.

19/2

001

7.6.

21

5.1.

21C

&D

mat

eria

ls s

houl

d be

dis

pose

d of

at d

esig

nate

d pu

blic

fill

rec

eptio

n fa

cilit

ies

or la

ndfil

ls. R

euse

of

publ

ic fi

ll m

ater

ials

at o

ther

con

stru

ctio

n pr

ojec

ts is

su

bjec

t to

the

app

rova

l of

the

rel

evan

t pr

ojec

t pr

opon

ents

, En

gine

er

and/

or

othe

r re

leva

nt

auth

oriti

es,

such

as

La

ndsD

, Pl

anD

, et

c.

Furth

erm

ore,

un

auth

oriz

ed

disp

osal

of

C

&D

m

ater

ials

in

parti

cula

r on

priv

ate

agric

ultu

ral

land

is

pr

ohib

ited

and

may

be

su

bjec

t to

re

leva

nt

enfo

rcem

ent a

nd re

gula

ting

actio

ns. T

he C

ontra

ctor

sh

all r

efer

and

stri

ctly

follo

w th

e tri

p-tic

ket s

yste

m

for

the

disp

osal

of

C&

D m

ater

ials

as

stip

ulat

ed in

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

1/20

04

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

6B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

the

ETW

B T

CW

No.

31/

2004

.

Bent

onite

�

7.6.

22

5.1.

22B

ento

nite

slu

rry

used

in

the

drill

ing

wor

ks s

houl

d be

trea

ted

and

recy

cled

at t

he w

orks

are

a in

Che

ung

Cha

u.

Any

be

nton

ite

that

is

no

t su

itabl

e fo

r re

cycl

ing

shou

ld

be

suita

bly

dew

ater

ed

befo

re

disp

osed

of a

t pub

lic fi

ll re

cept

ion

faci

litie

s.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

WB

TC N

o.

19/2

001

Che

mic

al W

aste

7.6.

23

5.1.

23W

here

the

cons

truct

ion

proc

esse

s pro

duce

che

mic

al

was

te, t

he C

ontra

ctor

mus

t reg

iste

r w

ith E

PD a

s a

chem

ical

w

aste

pr

oduc

er.

Was

tes

clas

sifie

d as

ch

emic

al w

aste

s ar

e lis

ted

in t

he W

aste

Dis

posa

l (C

hem

ical

W

aste

) (G

ener

al)

Reg

ulat

ion.

Th

ese

was

tes

are

subj

ect t

o st

ringe

nt d

ispo

sal r

oute

s. EP

D

requ

ires

info

rmat

ion

on th

e pa

rticu

lars

of t

he w

aste

ge

nera

tion

proc

esse

s in

clud

ing

the

type

s of

was

te

prod

uced

, the

ir lo

catio

n, q

uant

ities

and

gen

erat

ion

rate

s. A

no

min

ated

co

ntac

t pe

rson

m

ust

be

regi

ster

ed w

ith E

PD.

An

upda

ted

list

of l

icen

sed

chem

ical

was

te c

olle

ctor

can

be

obta

ined

fro

m

EPD

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

7.6.

24

5.1.

24St

orag

e, ha

ndlin

g, tr

ansp

ort a

nd d

ispos

al o

f che

mic

al

Was

te r

educ

tion,

reu

se,

All

wor

k si

tes /

durin

gC

onst

ruct

ion

��

Was

te D

ispo

sal

(Che

mic

al W

aste

)

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

7B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

was

te sh

ould

be

arra

nged

in a

ccor

danc

e w

ith th

e Co

de

of P

ract

ice

on th

e Pa

ckag

ing,

Lab

ellin

g an

d St

orag

e of

Che

mic

al W

aste

s pub

lishe

d by

EPD

, and

shou

ld b

e co

llect

ed b

y a

licen

sed

chem

ical

was

te c

olle

ctor

.

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

cons

truct

ion

Con

tract

or

(Gen

eral

)R

egul

atio

n

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

7.6.

25

5.1.

25Su

itabl

e co

ntai

ners

sho

uld

be u

sed

for

spec

ific

type

s of

che

mic

al w

aste

s, co

ntai

ners

sho

uld

be

prop

erly

la

belle

d (E

nglis

h an

d C

hine

se

in

acco

rdan

ce

with

in

stru

ctio

ns

pres

crib

ed

in

Sche

dule

2

of

the

Reg

ulat

ions

), re

sist

ance

to

co

rros

ion,

sto

red

safe

ly a

nd c

lose

ly s

ecur

e. S

tore

d vo

lum

e sh

ould

not

be

kept

mor

e th

an 4

50 l

iters

un

less

the

spe

cific

atio

n ha

s be

en a

ppro

ved

by t

he

EPD

. St

orag

e ar

ea s

houl

d be

enc

lose

d by

thr

ee

side

s by

a w

all,

parti

tion

of f

ence

that

is a

t lea

st 2

m

he

ight

or

he

ight

of

ta

llest

co

ntai

ner

with

ad

equa

te v

entil

atio

n an

d sp

ace.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

7.6.

26

5.1.

26H

ard

stan

ding

, im

perm

eabl

e su

rfac

es d

rain

ing

via

oil

inte

rcep

tors

sho

uld

be p

rovi

ded

in w

orks

are

a co

mpo

unds

. In

terc

epto

rs

shou

ld

be

regu

larly

em

ptie

d to

pre

vent

rel

ease

of

oils

and

gre

ase

into

th

e su

rfac

e w

ater

dra

inag

e sy

stem

afte

r ac

cide

ntal

sp

illag

es. T

he i

nter

cept

or s

houl

d ha

ve a

byp

ass

to

prev

ent

flush

ing

durin

g pe

riods

of

heav

y ra

in. O

il an

d fu

el b

unke

rs s

houl

d be

bun

ded

and/

or e

nclo

sed

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

Wor

k si

tes /

Dur

ing

cons

truct

ion

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

8B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

on

thre

e si

des

to

prev

ent

disc

harg

e du

e to

ac

cide

ntal

spi

llage

s or

bre

ache

s of

tan

ks. B

undi

ng

shou

ld b

e of

suf

ficie

nt c

apac

ity t

o ac

com

mod

ate

110%

of t

he v

olum

e of

the

larg

est c

onta

iner

or 2

0%

of th

e to

tal v

olum

e of

was

te, w

hich

ever

is la

rges

t. W

aste

col

lect

ed f

rom

any

gre

ase

traps

sho

uld

be

colle

cted

and

dis

pose

d of

by

a lic

ense

d co

ntra

ctor

.

Che

mic

al W

aste

7.6.

27

5.1.

27Lu

bric

ants

, w

aste

oils

and

oth

er c

hem

ical

was

tes

are

likel

y to

be

gene

rate

d du

ring

the

mai

nten

ance

of

ve

hicl

es

and

mec

hani

cal

equi

pmen

t. U

sed

lubr

ican

ts

shou

ld

be

colle

cted

an

d st

ored

in

in

divi

dual

con

tain

ers

whi

ch a

re f

ully

lab

elle

d in

En

glis

h an

d C

hine

se a

nd s

tore

d in

a d

esig

nate

d se

cure

pla

ce. I

f pos

sibl

e, s

uch

was

te s

houl

d be

sen

t to

oil

recy

clin

g co

mpa

nies

, an

d th

e em

pty

oil

drum

s col

lect

ed b

y ap

prop

riate

com

pani

es fo

r reu

se

or re

fill.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

7.6.

28

5.1.

28Th

e re

gist

ered

che

mic

al w

aste

pro

duce

r (i.

e. t

he

cont

ract

or) h

as to

arr

ange

for t

he c

hem

ical

was

te to

be

col

lect

ed b

y lic

ense

d co

llect

ors.

The

licen

sed

colle

ctor

sho

uld

regu

larly

take

che

mic

al w

aste

to a

lic

ense

d ch

emic

al w

aste

trea

tmen

t fac

ility

(su

ch a

s th

e C

hem

ical

Was

te T

reat

men

t Cen

tre in

Tsi

ng Y

i).

A

trip

ticke

t sy

stem

op

erat

es

to

cont

rol

the

mov

emen

t of c

hem

ical

was

tes.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-3

9B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

7.6.

29

5.1.

29N

o lu

bric

ants

, oi

ls,

solv

ents

or

pa

int

prod

ucts

sh

ould

be

allo

wed

to d

isch

arge

into

wat

er c

ours

es,

eith

er

by

dire

ct

disc

harg

e,

or

as

cont

amin

ants

ca

rrie

d in

su

rfac

e w

ater

ru

noff

fr

om

the

cons

truct

ion

site

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

chem

ical

w

aste

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

(Che

mic

al W

aste

) (G

ener

al)

Reg

ulat

ion

Cod

e of

Pra

ctic

e on

the

Pack

agin

g La

belli

ng a

nd

Stor

age

of

Che

mic

al W

aste

7.6.

30

5.1.

30C

hem

ical

was

te s

houl

d be

sto

red

in t

he w

orks

co

mpo

und

at C

heun

g C

hau,

no

chem

ical

was

te

shou

ld b

e st

ored

in th

e w

orks

site

at L

anta

u.

To m

inim

ize

impa

cts o

n La

ntau

So

uth

Coun

try

Park

The

wor

k si

te a

t La

ntau

/ d

urin

g co

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

EIA

O-T

M

7.6.

31

5.1.

31Th

e C

ontra

ctor

sh

ould

pr

epar

e an

Em

erge

ncy

Con

tinge

ncy

Plan

(sp

ill r

espo

nse

plan

) fo

r th

e Pr

ojec

t to

cont

ain

and

rem

ove

acci

dent

al sp

illag

e of

dr

illin

g flu

ids,

chem

ical

s an

d al

l ha

zard

ous

mat

eria

ls o

n-si

te in

clud

ing

fuel

s at

sho

rt no

tice

and

to

prev

ent

or

to

min

imiz

e th

e qu

antit

ies

of

cont

amin

ants

fr

om

ente

ring

the

near

by

wat

er

bodi

es a

nd a

ffec

ting

the

sens

itive

hab

itats

. Det

ails

of

the

requ

irem

ents

are

pre

sent

ed i

n C

hapt

er 3

of

the

EIA

.

To

min

imiz

e im

pact

s fro

m a

ccid

enta

l spi

llage

of

dr

illin

g flu

ids

and

chem

ical

s on-

site

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

EIA

O-T

M

Gen

eral

Wor

ks W

aste

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

0B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Con

cret

e W

aste

7.6.

32

5.1.

32D

ry

conc

rete

w

aste

(c

onsi

dere

d as

pu

blic

fil

l) sh

ould

be

sorte

d ou

t fr

om t

he o

ther

was

tes

and

recy

cled

for

reu

se o

r so

rted

out

for

disp

osal

at

desi

gnat

ed p

ublic

filli

ng fa

cilit

ies.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

3/20

02

Woo

den

Mat

eria

ls

7.6.

33

5.1.

33A

ll w

oode

n m

ater

ials

use

d on

-site

sho

uld

be k

ept

sepa

rate

from

oth

er w

aste

s to

avo

id d

amag

e an

d to

fa

cilit

ate

reus

e. T

imbe

r w

hich

can

not

be r

euse

d sh

ould

be

sorte

d ou

t fr

om o

ther

was

te a

nd s

tore

d se

para

tely

fr

om

all

iner

t w

aste

be

fore

be

ing

disp

osed

of t

o la

ndfil

l.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

3/20

02

7.6.

34

5.1.

34R

eusa

ble

stee

l or

con

cret

e pa

nel

shut

ters

, fe

ncin

g an

d ho

ardi

ng a

nd s

ignb

oard

sho

uld

be u

sed

as a

pr

efer

red

alte

rnat

ive

to i

tem

s m

ade

of w

ood,

to

min

imis

e w

asta

ge o

f w

ood.

Atte

ntio

n sh

ould

be

paid

to

W

BTC

N

o.

19/2

001

- M

etal

lic

Site

H

oard

ings

and

Sig

nboa

rds

to re

duce

the

amou

nt o

f tim

ber

used

on

co

nstru

ctio

n si

tes.

Met

allic

al

tern

ativ

es t

o tim

ber

are

read

ily a

vaila

ble

and

shou

ld b

e us

ed r

athe

r th

an n

ew t

imbe

r. P

reca

st

conc

rete

uni

ts s

houl

d be

ado

pted

whe

reve

r fea

sibl

e to

min

imiz

e th

e us

e of

tim

ber f

orm

wor

k.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

3/20

02

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

1B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

7.6.

35

5.1.

35O

nly

was

te m

ater

ial n

eed

be ta

ken

to a

land

fill.

It sh

ould

be

sepa

rate

d fr

om re

cycl

able

woo

d an

d st

eel

mat

eria

ls.

As

for

all

was

te t

ypes

the

se m

ater

ials

sh

ould

be

reus

ed o

n-si

te o

r ot

her

appr

oved

site

s be

fore

di

spos

al

is

cons

ider

ed

as

an

optio

n.

Dis

posa

l to

land

fill s

houl

d on

ly b

e co

nsid

ered

as

a fin

al

optio

n.

C

ontra

ctor

s ar

e re

spon

sibl

e fo

r st

orag

e of

re-u

seab

le m

ater

ials

on-

site

.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5, 3

3/20

02

Mun

icip

al W

aste

7.6.

36

5.1.

36G

ener

al r

efus

e ge

nera

ted

on-s

ite s

houl

d be

sto

red

in e

nclo

sed

bins

or

skip

s an

d co

llect

ed s

epar

atel

y fr

om o

ther

con

stru

ctio

n an

d ch

emic

al w

aste

s an

d di

spos

ed o

f at

des

igna

ted

land

fill.

A t

empo

rary

re

fuse

col

lect

ion

poin

t sh

ould

be

set

up b

y th

e co

ntra

ctor

to

faci

litat

e th

e co

llect

ion

of r

efus

e by

lic

ense

d co

ntra

ctor

s. Th

e re

mov

al o

f w

aste

fro

m

the

site

sho

uld

be a

rran

ged

on a

dai

ly o

r at l

east

on

ever

y se

cond

day

by

the

Con

tract

or t

o m

inim

ise

any

pote

ntia

l odo

ur im

pact

s, m

inim

ise

the

pres

ence

of

pes

ts, v

erm

in a

nd o

ther

sca

veng

ers

and

prev

ent

unsi

ghtly

acc

umul

atio

n of

was

te.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

37

5.1.

37Fo

r the

wor

ks w

ithin

Lan

tau

Sout

h Co

untry

Par

k, th

e Co

ntra

ctor

sh

ould

en

sure

th

at

all

gene

ral

refu

se

incl

udin

g fo

od

scra

ps

and

pack

agin

g m

ater

ials

gene

rate

d by

the

wor

kers

are

pro

perly

pac

ked

and

rem

oved

from

site

dai

ly a

t the

end

of e

ach

wor

k sh

ift.

To m

inim

ize

impa

cts o

n La

ntau

So

uth

Coun

try

Park

The

wor

k si

te a

t La

ntau

/ d

urin

g co

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

EIA

O-T

M

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

2B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

No

refu

se sh

ould

be

left

in th

e w

orks

are

a at

Lan

tau.

7.6.

38

5.1.

38Th

e re

cycl

able

com

pone

nt o

f th

e m

unic

ipal

was

te

gene

rate

d by

the

wor

kfor

ce,

such

as

alum

iniu

m

cans

, pap

er a

nd c

lean

sed

plas

tic c

onta

iner

s sh

ould

be

se

para

ted

from

ot

her

was

te.

Prov

isio

n an

d co

llect

ion

of r

ecyc

ling

bins

for

diff

eren

t ty

pes

of

recy

clab

le

was

te

shou

ld

be

set

up

by

the

Con

tract

or.

The

cont

ract

or

shou

ld

also

be

re

spon

sibl

e fo

r ar

rang

ing

recy

clin

g co

mpa

nies

to

colle

ct th

ese

mat

eria

ls.

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al o

f was

te

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

7.6.

39

5.1.

39Th

e bu

rnin

g of

ref

use

on-s

ite i

s pr

ohib

ited

unde

r th

e A

ir Po

llutio

n C

ontro

l O

rdin

ance

(A

PCO

) (C

ap.3

11).

Was

te r

educ

tion,

reu

se,

recy

clin

g an

d pr

oper

di

spos

al

of

was

te

as

wel

l as

ai

r po

llutio

n co

ntro

l

All

wor

k si

tes /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

��

Was

te D

ispo

sal

Ord

inan

ce

ETW

B T

CW

No.

19

/200

5

Air

Pollu

tion

Con

trol O

rdin

ance

Was

te –

Ope

ratio

n Ph

ase

Nil

��

*

D=D

esig

n, C

=Con

stru

ctio

n, O

=Ope

ratio

nN

/A

Not

app

licab

le

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

3B

&V

Tab

le A

.5

Im

plem

enta

tion

Sche

dule

of C

onst

ruct

ion

Noi

se M

itiga

tion

Mea

sure

s

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Noi

se -

Con

stru

ctio

n Ph

ase

Leve

l 1 M

itiga

tion

– U

se o

f Qui

et P

lant

�

8.6.

2 6.

8.2

The

quie

t pl

ant

used

in

the

cons

truct

ion

nois

e ca

lcul

atio

n is

sho

wn

in T

able

8.4

and

App

endi

x8.

1 of

the

EIA

. The

Con

tract

or c

an p

ropo

se o

ther

su

itabl

e al

tern

ativ

e eq

uipm

ent

with

si

mila

r or

lo

wer

soun

d po

wer

leve

l.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

8.6.

3 6.

8.3

The

use

of q

uiet

pla

nt is

con

side

red

to b

e th

e m

ost

effe

ctiv

e w

ays

of a

llevi

atin

g co

nstru

ctio

n no

ise

impa

ct. T

he C

ontra

ctor

sho

uld

use

quie

t pla

nt w

ith

soun

d po

wer

leve

l low

er th

an th

at s

tipul

ated

in th

e TM

-GW

as

the

Leve

l 1 m

itiga

tion

for c

onst

ruct

ion

nois

e.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

8.6.

4 6.

8.4

The

use

of m

ini o

r lo

wer

pow

er r

atin

g eq

uipm

ent

(e.g

. m

ini

exca

vato

r) s

houl

d al

so b

e co

nsid

ered

w

here

pra

ctic

al. T

his

tech

niqu

e w

ould

be

feas

ible

an

d pr

actic

al a

t so

me

loca

tions

giv

en t

he l

imite

d sp

ace

avai

labl

e fo

r us

ing

larg

e si

ze c

onst

ruct

ion

equi

pmen

t an

d th

e sm

all

scal

e w

orks

inv

olve

d su

ch a

s th

e la

nd-b

ased

wat

er m

ain

in C

heun

g C

hau.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

4B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

8.6.

5 6.

8.5

The

Con

tract

or s

houl

d ta

ke n

ote

of E

TWB

TC

W

No.

19/

2005

– E

nviro

nmen

tal

Man

agem

ent

on

Con

stru

ctio

n Si

tes

whi

ch s

ets

out

the

polic

y an

d pr

oced

ures

requ

iring

con

tract

ors

to, a

mon

g ot

hers

, ad

opt

Qua

lity

Pow

ered

M

echa

nica

l Eq

uipm

ent

(QPM

E).

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

ETW

B T

CW

No.

19

/200

5

8.6.

6

Tabl

e8.

4

6.8.

6

Tabl

e 6.

4

A l

ist

of q

uiet

pow

ered

mec

hani

cal

equi

pmen

t (P

ME)

rec

omm

ende

d fo

r us

e du

ring

cons

truct

ion

phas

e is

tabu

late

d in

Tab

le 8

.4 o

f the

EIA

.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

ETW

B T

CW

No.

19

/200

5

Leve

l 2

Miti

gatio

n -

Use

of

Tem

pora

ry N

oise

Ba

rrie

rs

�

8.6.

8 6.

8.8

Sinc

e N

SR 2

(as

with

mos

t of t

he N

SRs

with

in th

e Pr

ojec

t are

a) a

re ty

pica

lly lo

w-r

ise

villa

ge h

ouse

s To

pro

tect

NSR

s fro

m

nois

e du

ring

cons

truct

ion

The

prop

osed

la

unch

ing

site

at

Che

ung

Cha

u as

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

5B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

of n

ot m

ore

than

3 st

orey

s (N

SR 1

is o

ne st

orey

), it

wou

ld

be

effe

ctiv

e to

ha

ve

nois

e sc

reen

ing

stru

ctur

es o

r te

mpo

rary

noi

se b

arrie

rs p

urpo

sely

-bu

ilt a

long

the

site

bou

ndar

y to

pro

vide

add

ition

al

prot

ectio

n to

NSR

s cl

ose

to t

he c

onst

ruct

ion

site

bo

unda

ry. T

his

coul

d be

in th

e fo

rm o

f pur

pose

ly-

built

site

hoa

rdin

g co

nstru

cted

fro

m a

ppro

pria

te

mat

eria

ls w

ith a

min

imum

sup

erfic

ial d

ensi

ty o

f 7

kg/m

2 . Th

e no

ise

barr

ier

shou

ld h

ave

a ve

rtica

l he

ight

of

at l

east

4 m

with

a s

mal

l ca

ntile

vere

d up

per

porti

on

if ne

cess

ary

ensu

ring

that

th

e op

erat

ing

equi

pmen

t ca

n be

shi

elde

d fr

om t

he

view

of

the

NSR

s. Th

e te

mpo

rary

noi

se b

arrie

r sh

ould

hav

e no

gap

s or

ope

ning

at

join

ts.

The

Con

tract

or s

houl

d re

gula

rly i

nspe

ct a

nd m

aint

ain

the

nois

e ba

rrie

r to

ensu

re it

s eff

ectiv

enes

s.

show

n in

Fig

ure

8.2

of th

e EI

A /

durin

gco

nstru

ctio

n

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

8.6.

9 6.

8.9

For

the

cons

truct

ion

wor

ks

whi

ch

have

th

e po

tent

ial t

o ex

ceed

the

nois

e st

anda

rds

on n

earb

y N

SR a

nd w

hose

line

of s

ight

can

not b

e ef

fect

ivel

y bl

ocke

d by

the

tem

pora

ry n

oise

bar

rier,

mov

able

(m

obile

) ba

rrie

rs s

houl

d be

pro

vide

d. M

ovab

le

barr

iers

of

at l

east

2.5

m h

eigh

t w

ith a

sm

all

cant

ileve

red

uppe

r por

tion

and

skid

foot

ing

can

be

loca

ted

with

in a

few

met

ers

of s

tatio

nary

pla

nt

(e.g

. gen

erat

or) a

nd w

ithin

abo

ut 5

m o

r mor

e of

a

mob

ile e

quip

men

t (e

.g.

exca

vato

r),

such

tha

t th

e lin

e of

sigh

t to

the

NSR

is b

lock

ed b

y th

e ba

rrie

rs.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te fo

r N

SRs w

hose

line

of

sigh

t can

not b

e ef

fect

ivel

y bl

ocke

d by

the

tem

pora

ry n

oise

ba

rrie

rs /

durin

g co

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

6B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

Goo

d Si

te P

ract

ices

�

8.6.

13

6.8.

13In

gen

eral

, pot

entia

l con

stru

ctio

n no

ise

impa

ct c

an

be

min

imis

ed

or

avoi

ded

by

impo

sing

a

com

bina

tion

of th

e fo

llow

ing

good

site

pra

ctic

es a

s m

itiga

tion

mea

sure

s:

(a)

Onl

y w

ell-m

aint

aine

d pl

ant

shou

ld

be

oper

ated

on-

site

and

pla

nt sh

ould

be

serv

iced

re

gula

rly d

urin

g th

e co

nstru

ctio

n pe

riod.

(b

)C

onst

ruct

ion

plan

t sh

ould

be

site

d aw

ay

from

NSR

s. (c

)M

achi

nes

and

plan

t th

at

may

be

in

in

term

itten

t us

e sh

ould

be

sh

ut

dow

n be

twee

n w

orks

per

iods

or s

houl

d be

thro

ttled

do

wn

to a

min

imum

. (d

)Eq

uipm

ent k

now

n to

em

it so

und

stro

ngly

in

one

dire

ctio

n sh

ould

be

orie

ntat

ed s

uch

that

th

e no

ise

is

dire

cted

aw

ay

from

ne

arby

N

SRs.

(e)

Mat

eria

l st

ockp

iles

and

othe

r st

ruct

ures

(s

uch

as s

ite o

ffic

es)

shou

ld b

e ef

fect

ivel

y ut

ilise

d to

sh

ield

on

-site

co

nstru

ctio

n ac

tiviti

es.

(f)

The

Con

tract

or

shal

l de

vise

, ar

rang

e m

etho

ds o

f w

orki

ng a

nd c

arry

ing

out

the

wor

ks in

suc

h m

anne

r as

to m

inim

ise

nois

e im

pact

s on

the

sur

roun

ding

env

ironm

ent,

and

shal

l pr

ovid

e ex

perie

nced

pe

rson

nel

with

sui

tabl

e tra

inin

g to

ens

ure

that

the

se

mea

sure

s are

impl

emen

ted

prop

erly

. (g

)In

the

even

t tha

t new

sch

ools

are

bui

lt ne

ar

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

7B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

the

wor

ks

area

, th

e C

ontra

ctor

sh

ould

m

inim

ize

cons

truct

ion

nois

e ex

posu

re to

the

scho

ols

(esp

ecia

lly

durin

g ex

amin

atio

n pe

riods

). Th

e C

ontra

ctor

sho

uld

liais

e w

ith

the

scho

ol a

nd th

e Ex

amin

atio

n A

utho

rity

to

asce

rtain

the

exa

ct d

ates

and

tim

es o

f al

l ex

amin

atio

n pe

riods

dur

ing

the

cour

se o

f the

co

ntra

ct a

nd to

avo

id n

oisy

act

iviti

es d

urin

g th

ese

perio

ds.

Publ

ic R

elat

ions

Str

ateg

y

�

8.6.

16

6.8.

16To

mai

ntai

n an

eff

ectiv

e co

mm

unic

atio

n ch

anne

l w

ith th

e pu

blic

, a 2

4-ho

ur h

otlin

e sy

stem

sho

uld

be

esta

blis

hed

by

the

proj

ect

offic

e fo

r th

e C

ontra

ctor

to r

ecei

ve a

ny e

nqui

ry a

nd c

ompl

aint

lo

dged

by

the

publ

ic i

n re

spec

t of

the

Pro

ject

. U

pon

rece

ipt

of

enqu

iry

/ co

mpl

aint

, th

e C

ontra

ctor

(or

its

Env

ironm

enta

l Te

am)

shou

ld

inve

stig

ate

the

caus

es o

f the

inci

dent

and

take

the

appr

opria

te

actio

n to

re

ctify

th

e si

tuat

ion.

Pe

riodi

c ne

wsl

ette

rs, i

nfor

mat

ion

leaf

lets

, not

ices

or

oth

er m

eans

of

com

mun

icat

ion

shou

ld b

e pr

ovid

ed t

o th

e af

fect

ed v

illag

es,

com

mun

ities

, an

d re

side

nts

advi

sing

them

the

curr

ent p

rogr

ess,

the

sche

dule

of

wor

ks i

n fu

ture

, th

e po

tent

ial

envi

ronm

enta

l im

pact

s ar

isin

g fr

om t

he w

orks

an

d th

e co

rres

pond

ing

miti

gatio

n m

easu

res.

It is

co

nsid

ered

that

suc

h a

clos

e re

latio

n be

twee

n th

e lo

cal

com

mun

ities

and

the

pro

ject

site

off

ice

coul

d en

sure

sp

eedy

re

solu

tion

of

any

To p

rom

ote

good

pu

blic

rela

tion

and

mai

ntai

n ef

fect

ive

com

mun

icat

ion

durin

g co

nstru

ctio

n

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Proj

ect O

ffic

e (E

ngin

eer)

&

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

Agre

emen

t No.

CE

1/20

08 (W

S)

EM&

A M

anua

l Im

prov

emen

t of F

resh

Wat

er S

uppl

y to

Che

ung

Chau

Fi

nal

- Inv

estig

atio

n

283

1/B&

V/02

1/Is

sue

3

Janu

ary

2010

[283

1_EM

&A_

apa_

v3_j

an10

.doc

]A

PA-4

8B

&V

Impl

emen

tatio

nSt

ages

*E

IA Ref

EM

&A

Ref

Rec

omm

ende

d M

itiga

tion

Mea

sure

sO

bjec

tives

of t

he

Rec

omm

ende

dM

easu

res a

nd M

ain

Con

cern

s to

addr

esse

d

Loc

atio

n /

Tim

ing

Impl

emen

tatio

nA

gent

DC

O

Rel

evan

tL

egis

latio

n &

G

uide

lines

envi

ronm

enta

l no

n-co

mpl

ianc

e an

d m

aint

ain

an

envi

ronm

enta

l st

anda

rd a

ccep

tabl

e to

the

loc

al

com

mun

ities

dur

ing

cons

truct

ion.

8.6.

19

6.8.

17A

ll th

e ab

ove

cons

truct

ion

nois

e m

itiga

tion

mea

sure

s sh

ould

be

im

plem

ente

d by

th

e C

ontra

ctor

dur

ing

the

cons

truct

ion

phas

e of

the

w

orks

. Th

e lo

catio

n of

th

e te

mpo

rary

no

ise

barr

iers

(inc

ludi

ng a

ny m

obile

bar

riers

) sho

uld

be

furth

er r

evie

wed

by

the

Con

tract

or d

urin

g th

e co

nstru

ctio

n st

age

base

d on

th

e la

test

co

nstru

ctio

n pr

ogra

mm

e an

d co

ntem

pora

ry

cond

ition

s, in

clud

ing

any

chan

ges

with

resp

ect t

o N

SRs.

The

Con

tract

or s

houl

d de

sign

, co

nstru

ct,

oper

ate

and

mai

ntai

n th

e m

itiga

tion

mea

sure

s th

roug

hout

the

cons

truct

ion

stag

e an

d as

requ

ired

by t

he E

ngin

eer.

Bef

ore

com

men

cem

ent

of t

he

wor

ks,

the

Con

tract

or

shou

ld

subm

it to

th

e En

gine

er f

or a

ppro

val

(as

part

of t

heir

met

hod

stat

emen

t) de

tails

of

the

miti

gatio

n m

easu

res

to

be e

mpl

oyed

und

er t

he w

orks

. The

Con

tract

or’s

pr

opos

ed m

itiga

tion

mea

sure

s sh

ould

als

o be

ce

rtifie

d by

the

ET

Lead

er a

nd v

erifi

ed b

y th

e IE

C

to

ensu

re

the

inte

nded

no

ise

redu

ctio

n ef

fect

iven

ess c

an b

e ac

hiev

ed.

To p

rote

ct N

SRs f

rom

no

ise

durin

g co

nstru

ctio

n an

d to

en

sure

the

Con

tract

or

will

pro

perly

im

plem

ent t

he

miti

gatio

n m

easu

res

All

wor

ks si

te /

durin

gco

nstru

ctio

n

Con

stru

ctio

nC

ontra

ctor

�

Envi

ronm

enta

l Im

pact

Ass

essm

ent

Ord

inan

ce

Tech

nica

lM

emor

andu

m o

n EI

A P

roce

ss

*

D=D

esig

n, C

=Con

stru

ctio

n, O

=Ope

ratio

nN

/A

Not

app

licab

le

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