MATERIALAB CONSULTANTS LIMITED · MATERIALAB CONSULTANTS LIMITED Fugro Development Centre, 5 Lok Yi Street, Tel : (852)-24508238 17 M.S. Castle Peak Road, Fax : (852)-24508032 Tai

MATERIALAB CONSULTANTS LIMITED Fugro Development Centre, 5 Lok Yi Street, Tel : (852)-24508238 17 M.S. Castle Peak Road, Fax : (852)-24508032 Tai Lam, Tuen Mun, N.T., Hong Kong. Email : [email protected]

Report No.: 0379/13/ED/0227

The copyright of this document is owned by MateriaLab Consultants Ltd. It may not be reproduced except with prior written approval from the Company.

A Fugro Group Company

CONTENTS EXECUTIVE SUMMARY

1. INTRODUCTION

1.1 Scope of the Report

1.2 Summary of EM&A Requirements

2. PROJECT INFORMATION

2.1 Project Organisation, Contact Details and Hotline for Public

2.2 Scope of the Project

2.3 Construction Programme

2.4 Works Undertaken during the Reporting Period

2.5 Project Area

3. SUMMARY OF EM&A REQUIREMENTS

3.1 All Monitoring Parameters

3.2 Environmental Quality Performance Limits

3.3 Event-Action Plans

3.4 Environmental Mitigation Measures

3.5 Environmental Requirements in Contract Documents

4. STATUS OF ENVIRONMENTAL LICENSING AND PERMITTING

5. IMPLEMENTATION STATUS OF ENVIRONMENTAL MITIGATION MEASURES

6. MONITORING RESULTS

6.1 Monitoring Methodology

6.2 Laboratory, Types of Equipment Used and Calibration

6.3 Monitoring Locations

6.4 Monitoring Date, Time, Frequency, and Duration

6.5 Graphical Plots of the Monitored Parameters in the Reporting Period

7. ANALYSIS OF MONITORING RESULTS AND NON-COMPLIANCE

8. COMPLAINTS, NOTIFICATIONS OF SUMMONS AND STATUS OF PROSECUTIONS

9. OTHERS

9.1 Future Key Issues

9.2 Waste Management Status during the Reporting Period

9.3 Outstanding Issues and Deficiencies

9.4 Effectiveness of the Environmental Management Systems, Recommendations and

Conclusions


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APPENDICES A Management Structure and Organization Chart

B Construction Program

C Event / Action Plan

D Implementation Schedule of Mitigation Measures

FIGURES Figure 1 Site Layout Plan

Figure 2 Air Quality and Noise Monitoring Stations


Report No.: 0379/13/ED/0227

1 The copyright of this document is owned by MateriaLab Consultants Ltd. It may not be reproduced except with prior written approval from the Company.


EXECUTIVE SUMMARY This Quarterly Environmental Monitoring and Audit (EM&A) Report No. 6 was prepared by MateriaLab Consultants Limited (MCL) for the Contract No. DC/2009/19 Harbour Area Treatment Scheme Stage 2A Upgrading Woks at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities (The Project). This report documented the findings of EM&A Works conducted during the construction phase of Sludge Handling and Disposal Facilities from 01 December 2014 to 28 February 2015. Major Site Activities Interim Operation commenced on 01 November 2013. In the reporting period, the major site activities include:

� Fender replacement in WENT; � Construction of pillar box at SCISTW Berthing Area and WENT; and � Construction of transformer room and cable trench in WENT.

Breaches of Action and Limit Levels According to the Quarterly EM&A Report under Contract No. DC/2009/10 and DC/2007/23, all 1-hour and 24-hour TSP monitoring were conducted as scheduled in this reporting quarter. No Action/Limit level exceedance was recorded. According to the Quarterly EM&A Report under Contract No. DC/2009/10 and DC/2007/23, all construction noise monitoring was conducted as scheduled in this reporting quarter. No Action/Limit level exceedance for normal working hours and restricted hours were recorded in the reporting period. Complaint Log No complaint, with respect to environmental issues were received in this reporting period. Notifications of Summons and Status of Prosecutions No notification of summons and prosecutions with respect to environmental issues were received in this reporting period. Changes Made that Affect the EM&A It is anticipated that the existing operation should not create significant nuisance and disturbance on the environmental aspects of air quality and noise level. Future Key Issues Based on the forecast of construction activities in the coming quarter, Contractor should implement proposed measures to minimize potential impact to air quality and noise.


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1. INTRODUCTION

1.1 Scope of the Report SITA – ATAL Joint Venture (SAJV) appointed MateriaLab Consultants Limited (MCL) to undertake the Environmental Monitoring and Audit (EM&A) for Contract No. DC/2009/19 Harbour Area Treatment Scheme Stage 2A Upgrading Woks at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities (The Project). The Harbour Area Treatment Scheme Stage 2A Project is covered by the Environmental Permit: (Permit No. EP-322/2008/G) which was granted in May 2014 (VEP submission was made in April 2014) to the Drainage Services Department as the Permit Holder. This is the sixth quarterly EM&A report to document the findings of EM&A works conducted during the Harbour Area Treatment Scheme Stage 2A Upgrading Woks at Stonecutters Island Sewage Treatment Works from 01 December 2014 to 28 February 2015 under Contract No. DC/2009/19.

1.2 Summary of EM&A Requirements

The EM&A programme requires construction phase monitoring for air quality and noise, as well as site audits covering environmental mitigation measures, including landscape and visual impact, waste and chemicals management, and general compliance with the EM&A manual and relevant permits/licenses. The EM&A requirements for each parameter are described in the following sections, including:

� All monitoring parameters; � Action and limit levels for all environmental parameters; � Event and Action Plans; � Environmental mitigation measures, as recommended in the Project EIA Study final report;

and � Environmental requirements in contract documents. The monitoring results, observations, locations, equipment and period for required monitoring parameter includes dust, noise levels and site audit works conducted for the Project in the reporting period, as well as the methodology and QA/QC procedures of those monitoring parameters can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23.

2. PROJECT INFORMATION

2.1 Project Organisation, Contact Details and Hotline for Public

Drainage Services Department is the overall Project Proponent. For the construction phase of DC/2009/19, Project Engineer, Contractor, Environmental Team and Independent Environmental Checker are appointed to manage and control environmental issues.

The project management structure and organization chart is shown in Appendix A. The contact person and telephone numbers of key personnel for the captioned project are shown in Table 2.1:


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Table 2.1 Contact Persons and Telephone Numbers of Key Personnel

Company /

Department

Role in the

Contract Contact Person Post

Telephone

Number

DSD Project

Proponent Mr. William Cheung

Engineer 2159 3407

Arup Supervising Officer

Representative

Mr. Tang / Johnny Mak

PRE / CRE 2990 6992 / 2990 6986

SITA – ATAL JV Contractor Mr. Laurent Bickert

Project Manager 2590 5680

Mott MacDonald Hong Kong Ltd.

Independent Environmental

Checker Dr. Anne Kerr

Independent Environmental Checker (IEC)

2828 5757

MateriaLab Consultants Limited

Environmental Team

Mr. Joseph Poon Environmental Team Leader

(ETL) 2450 8238

A hotline telephone number is provided for the public to make enquiries on 7773 1888.

2.2 Scope of the Project

The Contract DC/2009/19 has commenced on 05 July 2013. The EM&A works has commenced on 01 September 2013.

The scope of this Contract covered by the EM&A works is to construct and maintain the sludge handling and disposal facilities at SCISTW including, but not limited to, the following: a. Taking over the relevant portions of site of SCISTW; b. Improvement and refurbishment works at SCISTW; c. Carrying out any other works requests by the Supervising Officer in relation to the

maintenance of existing facilities and facilities; d. Reinstatement and cleansing of site area.

2.3 Construction Programme

The construction programme is provided in Appendix B.

2.4 Works Undertaken during the Reporting Period Interim Operation commenced on 01 November 2013. In the reporting period, the major site activities include:

� Fender replacement in WENT; � Construction of pillar box at SCISTW Berthing Area and WENT; and � Construction of transformer room and cable trench in WENT.

2.5 Project Area

The general layout of the project area is shown in Figure 1.


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3. SUMMARY OF EM&A REQUIREMENTS

3.1 All Monitoring Parameters

Table 3.1 summarizes the monitoring parameters of impact dust monitoring and noise monitoring. Table 3.1 Impact Dust Monitoring and Noise Monitoring Parameters

Monitoring Station Parameter

1-hour TSP AM6, AM7 & AM8

24-hour TSP

Leq (30 min.) dB(A) NM5 & NM6

Leq (5 min.) dB(A)

3.2 Environmental Quality Performance Limits

Environmental auditing on the monitoring data is to be undertaken based on the Action and Limit (AL) levels for air quality and noise to check against any non-compliances. The AL levels for monitored parameters are formulated from the baseline monitoring data. The AL levels for air quality and noise are tabulated in Table 3.2 and Table 3.3. Table 3.2 Action and Limit Levels for Air Quality

Monitoring Station Action Level (µg/m³) Limit Level (µg/m³)

1 hour TSP

AM6 346

AM7 322

AM8 307

500

24 hours TSP

AM6 196

AM7 207

AM8 158

260

Table 3.3 Action and Limit Levels for Noise

Monitoring Station Action Level Limit Level

For the Time Period 0700-1900 hrs. on Weekdays

NM5 & NM6 When one documented complaint is received

75.0 dB(A) Leq (30 min.)

For the Time Period 1900-2300 hrs. on Normal Weekdays,

and 0700-2300 of Sundays and Public Holiday

NM5 & NM6 When one documented complaint is received

70.0 dB(A) Leq (5 min.)

Note: If works are to be carried out during restricted hours, the conditions stipulated in the Construction Noise Permit (CNP) issued by the Noise Control Authority have to be followed.

3.3 Event-Action Plans

Should the monitoring results indicate any non-compliance of AL levels, actions according to

the Event/Action Plan in Appendix C are to be followed.


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3.4 Environmental Mitigation Measures

Environmental mitigation measures are given in Appendix D. These shall be implemented to mitigate environmental impacts. The implementation status of mitigation measures is also

shown in Appendix D.

3.5 Environmental Requirements in Contract Documents It was of main concern to ascertain whether there was any undesirable effect of the construction activities on various environmental parameters over the site area and the surrounding environment. Impact environmental monitoring on air quality and noise were carried out to acquire data for assessing any impact associated with the construction activities. Contractor shall ensure proper site practices to be implemented to avoid any deterioration of the environment around the construction site.

4. STATUS OF ENVIRONMENTAL LICENSING AND PERMITTING

A summary of the current status on licences and/or permits on environmental protection pertinent to the Project is shown in Table 4.1.

Table 4.1 Summary of Valid Licences and Permits

Permits and/or

Licences Reference No. Valid Period

Status in Reporting

Period

Environmental Permit EP-322/2008/G N/A

Valid (VEP submission was made in April 2014 and granted in May 2014)

Waste Disposal Account

Account No.: 7017913

N/A Valid

Chemical Waste Producer (WENT)

9210-431-S3757-01 N/A Valid

11724 01 Nov 2014 to 31 Jan 2015

Valid until 31 Jan 2015 Admission Ticket

(WENT) 11943

01 Feb 2015 to 30 Apr 2015

Valid

Admission Ticket (NENT)

11726 01 Nov 2014 to 30 Apr 2015

Valid

Admission Ticket (SENT)

11725 01 Nov 2014 to 31 Mar 2015

Valid

APCO (Notification only)

N/A N/A Notification submitted

on 16 Sept 2013

No permit for Interim Operation as all waste water was discharged to the STW system and managed by DSD. Construction Noise Permit (CNP) is not required for Operation.

5. IMPLEMENTATION STATUS OF ENVIRONMENTAL MITIGATION MEASURES

Site audits were carried out by ET on weekly basis to monitor the implementation of proper environmental management practices and mitigation measures in the project site.

There was no non-compliance from the site audits conducted in the reporting period.


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6. MONITORING RESULTS

6.1 Monitoring Methodology

Air Quality Monitoring

The ET shall carry out impact monitoring during the course of the works. For regular impact monitoring, the sampling frequency and monitoring methodology can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23. Noise Monitoring Noise monitoring shall be carried out at all the designated monitoring stations. The monitoring frequency and monitoring methodology can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23.

6.2 Laboratory, Types of Equipment Used and Calibration The details of laboratory, types of equipment used and calibration can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23. Current calibration certificates of the used equipment can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23.

6.3 Monitoring Locations


Three designated monitoring stations, AM6, AM7 and AM8 were selected for impact dust monitoring. AM6 was monitored by the ET of Contract No. DC/2007/23, while AM7 and AM8 were monitored by the ET of Contract No. DC/2009/10. The air quality monitoring locations

are shown in Table 6.1 and Figure 2. Table 6.1 Air Quality Monitoring Locations

Air Monitoring Station Location Contract No.

AM6 Works Site Boundary of DC/2007/23 DC/2007/23

AM7 North West Kowloon Sewage Pumping Station DC/2009/10

AM8 Block A of Government Dockyard DC/2009/10

Noise Monitoring

Two designated monitoring stations, NM5 and NM6 were selected for impact noise monitoring. NM5 was monitored by the ET of Contract No. DC/2007/23, while NM6 was monitored by the ET of Contract No. DC/2009/10. The noise monitoring locations are shown

in Table 6.2 and Figure 2. Table 6.2 Noise Monitoring Locations

Air Monitoring Station Location Contract No.

NM5 Near FSD Diving Rescue and Training Centre DC/2007/23

NM6 Customs’ Marine Base DC/2009/10


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6.4 Monitoring Date, Time, Frequency, and Duration Table 6.3 summarizes the monitoring frequencies and duration of impact dust monitoring for the reporting period. The air quality monitoring schedule for the reporting period can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23. Table 6.3 Impact Dust Monitoring Frequency and Duration

Monitoring Station Parameter Period Frequency

1-hour TSP 0700-1900 hrs 3 times / every 6 days All Monitoring Locations 24-hour TSP 0000-2400 hrs once in every 6 days

Table 6.4 summarizes the monitoring frequency and total duration of noise monitoring. The noise monitoring schedule can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23. Table 6.4 Impact Noise Monitoring Frequency and Duration

Monitoring Station Parameter Period Frequency

Leq (30 min.) dB(A) 0700-1900 hrs on

Weekdays Once per week

All Monitoring Locations

Leq (5 min.) dB(A) During Restricted

Hours

Weekly Monitoring to be conducted during the Construction

Works

6.5 Graphical Plots of the Monitored Parameters in the Reporting Period The monitoring data and graphical presentations of 1-hour and 24-hour TSP monitoring, and noise monitoring results can be referred to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23.

7. ANALYSIS OF MONITORING RESULTS AND NON-COMPLIANCE


According to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23, all 1-hour and 24-hour TSP monitoring were conducted as scheduled in the reporting period. No Action/Limit level exceedance was recorded. According to the field observations of other contracts’ ETs, the identified dust sources at the monitoring stations were mainly from loading of material, vehicles movement and construction works on site. Noise Monitoring

According to the Quarterly EM&A Reports under Contract No. DC/2009/10 and DC/2007/23, no Action/Limit level exceedance for normal working hours and restricted hours was recorded for noise monitoring in the reporting period. As observed by other contracts’ ETs, the major noise sources identified at the designated noise monitoring stations during day time were the noise generated from trucks movement outside the noise enclosure, concreting work and the traffic noise from the Container Port Road South close to the site boundary of Contract No: DC/2009/18. The major noise sources identified during the evening and night time was the traffic noise from the Container Port Road South and Stonecutters Bridge near to the project area since the construction works were mainly conducted within the noise enclosure during restricted hours.


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No non-compliance event was recorded during the reporting period.

8. COMPLAINTS, NOTIFICATIONS OF SUMMONS AND STATUS OF PROSECUTIONS

No complaints, notifications of summons and successful prosecutions in association with the construction activities concerning the environmental protection and pollution control were received in the reporting period.

9. OTHERS

9.1 Future Key Issues

Based on the forecast of construction activities in the coming month, Contractor shall ensure proper site practices to be implemented to avoid any deterioration of the environment around the construction site. Mitigation measures to minimize dust and noise generated from site activities should be enforced.

9.2 Waste Management Status during the Reporting Period

Soil contamination should be avoided by proper handling and storage of chemicals and plants. Construction & demolition waste and general refuse should be removed from site regularly. Construction materials should be planned and stocked carefully to minimize generation of waste. Any unused materials or those with remaining functional capacity should be recycled. Waste flow summary for the reporting period is shown in Table 9.1. Table 9.1 Waste Flow Summary

Quantity Generated in Type of Waste

Dec 2014 Jan 2015 Feb 2015

Inert C&D waste 0.00kg *293,500.00kg 237,000.00kg

Chemical waste (Liquid) 0.00 L 0.00 L 0.00 L

Chemical waste (Solid) 0.00kg 0.00kg 0.00kg

Metal 0.00kg 0.00kg 0.00kg

Paper / Cardboard Packaging 0.00kg 0.00kg 0.00kg

Plastic 0.00kg 0.00kg 0.00kg

Others, e.g. General Refuse **13,900.00kg ***7,800.00kg 7,300.00kg

*The total quantity generated of Insert C&D Waste in January 2015 was revised as 293,500.00kg transferred to Tuen Mun Area 38 Fill Bank needs to be included. **The total quantity generated of General Refuse in December 2014 was revised as 4,200.00kg transferred to WENT needs to be included: 9,700.00kg + 4,200.00kg = 13,900.00kg.

***The total quantity generated of General Refuse in January 2015 was revised as 7,800.00kg transferred to WENT needs to be included.

9.3 Outstanding Issues and Deficiencies

There are no outstanding issues and deficiencies during the reporting period.

9.4 Effectiveness of the Environmental Management Systems, Recommendations and

Conclusions

The Contractor shall ensure proper site practices to be implemented to avoid any deterioration of the environment around the construction site. Mitigation measures to minimize dust and noise generated from site activities should be enforced.


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Appendix A

Management Structure and Organization Chart


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Management Structure and Organization Chart

Project Proponent

Drainage Services

Department Mr. William Cheung

Engineer Tel: 2159 3407

Supervising Officer

Representative

Arup

Mr. Tang / Johnny Mak PRE / CRE

Tel: 2990 6992 / 2990 6986

Contractor

SITA – ATAL JV Mr. Laurent Bickert Project Manager Tel: 2590 5680

Independent Environmental

Checker

Mott MacDonald Hong Kong Ltd. Dr. Anne Kerr

IEC Tel: 2828 5757

Environmental Team

MateriaLab Consultants Limited

Mr. Joseph Poon Environmental Team Leader

Tel: 2450 8238


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Appendix B

Construction Programme

ID Task Name Duration Start Finish % Complete Predecessors Total Slack Successors Free Slack

1 DETAILED WORKS PROGRAMME 950.75 days Fri 28/6/13 Wed 3/2/16 60% 0 days 0 days8 Section 2 COMPLETION OF INTERIM OPERATION 0 days Wed 31/12/14 Wed 31/12/14 0% 319,320,321,7F 35 days 9,322FF 0 days54 Commissioning Plan 42 days Mon 28/7/14 Mon 8/9/14 15% 148 days 148 days55 Prepare and submit Commissioning Plan to SO and Design

Checker14 days Mon 28/7/14 Mon 11/8/14 30% 199FS-180

days,2148 days 56 0 days

56 Design Checker certifies Commissioning Plan 14 days Mon 11/8/14 Mon 25/8/14 0% 55 148 days 57FS+14 day 0 days57 SO approves Commissioning Plan 0 days Mon 8/9/14 Mon 8/9/14 0% 56FS+14 days 148 days 4 148 days58 Marine Vessels 584.55 days Thu 1/8/13 Sun 8/3/15 62% 332.2 days 332.2 days79 Ship Building 580.55 days Thu 1/8/13 Wed 4/3/15 60% 18 336.2 days 336.2 days80 Procurement and delivery of machinery 185 days Thu 1/8/13 Thu 31/7/14 98% 0 days 96FS-90 days 0 days89 Block Erection (Block 1 to 12) 120 days Wed 26/3/14 Wed 8/10/14 70% 88SS 29.25 days 92FS-45 days 0 days91 Fuel / deep / structural tanks / hydraulic test (LRS) 105 days Mon 28/7/14 Mon 10/11/14 50% 89SS+28 days 450 days 450 days92 Superstructure construction (Block 14 to 20) 75 days Tue 30/9/14 Sun 14/12/14 50% 89FS-45 days,8 397.63 days 93FS-13 days 0 days93 Survey of structural fire protection (HKMD) 20 days Mon 1/12/14 Sun 21/12/14 0% 92FS-13 days 409.63 days 409.63 days94 Survey of prevetion of oil pollution installation (HKMD) 20 days Mon 1/12/14 Sun 21/12/14 0% 92FS-13 days 409.63 days 409.63 days95 Survey of air pollution requirement (HKMD) 20 days Mon 1/12/14 Sun 21/12/14 0% 92FS-13 days 409.63 days 409.63 days96 Machinery installation 50 days Sun 9/11/14 Mon 29/12/14 50% 80FS-90 days,9 372.63 days 106,107,108 0 days97 Electrical work 60 days Mon 28/7/14 Sun 16/11/14 50% 89FS-20 days -8.5 days 112,117 0 days98 Piping work 120 days Tue 27/5/14 Sat 7/2/15 30% 89FS-45 days,8 347.25 days 99FS-45 days 0 days99 Furnishing 70 days Wed 24/12/14 Wed 4/3/15 30% 98FS-45 days 336.25 days 336.25 days

100 Outfitting 70 days Wed 24/12/14 Wed 4/3/15 30% 98FS-45 days 336.25 days 336.25 days101 Exterior Hull Painting 60 days Wed 8/10/14 Sun 7/12/14 50% 89 0 days 113FS-10 da 0 days102 Survey of fore and aft peaks leakage test (LRS) 10 days Thu 27/11/14 Sun 7/12/14 50% 101FS-10 days, 423.75 days 423.75 days103 Survey of engine room flooding test (LRS) 10 days Thu 27/11/14 Sun 7/12/14 50% 101FS-10 days, 423.75 days 423.75 days104 Survey of hull hose test (LRS) 10 days Thu 27/11/14 Sun 7/12/14 50% 101FS-10 days, 423.75 days 423.75 days105 Tightening Test (LRS) 10 days Thu 27/11/14 Sun 7/12/14 50% 101FS-10 days 423.75 days 423.75 days106 Survey of sea water inlet valve hydraulic test (LRS) 10 days Mon 29/12/14 Thu 8/1/15 50% 101FS-10 days, 391.63 days 391.63 days107 Survey of electrical propulsion & Gensets (LRS) 10 days Mon 29/12/14 Thu 8/1/15 0% 101FS-10 days, 391.63 days 391.63 days108 Survey of alarms & safety devices test (HKMD) 29 days Mon 29/12/14 Tue 27/1/15 0% 101FS-10 days, 372.63 days 372.63 days112 Survey of electrical fittings / Megger test (LRS) 14 days Thu 27/11/14 Thu 11/12/14 0% 97,101FS-10 da 419.75 days 419.75 days113 Verification of principal dimensions and Draft Marks (LRS) 14 days Thu 27/11/14 Thu 11/12/14 0% 101FS-10 days 419.75 days 419.75 days

114 Survey of tonnage measurement (LRS) 14 days Thu 27/11/14 Thu 11/12/14 0% 101FS-10 days 419.75 days 419.75 days115 Survey of Load Line/Freeboard Marks (LRS) 14 days Thu 27/11/14 Thu 11/12/14 0% 101FS-10 days 419.75 days 419.75 days116 Launching 0 days Sun 7/12/14 Sun 7/12/14 50% 101 -29.25 days 117 0 days117 Inclinding Experiment 5 days Sun 7/12/14 Fri 12/12/14 0% 116,97 -29.25 days 118 0 days118 Main Switchboard Load Test 5 days Fri 12/12/14 Wed 17/12/14 0% 117 -29.25 days 119 0 days119 Dock Trial, Mooring Trial and M&E Machinery T&C 20 days Wed 17/12/14 Tue 6/1/15 0% 118 -29.25 days 120 0 days120 Shipyard trials 7 days Tue 6/1/15 Tue 13/1/15 0% 119 -29.25 days 128FS+1 day 0 days121 Delivery from Shipyard 7 days Wed 7/1/15 Wed 14/1/15 0% 120SS+1 day -2.25 days 122 0 days125 Gantry Crane 574.55 days Wed 7/8/13 Wed 4/3/15 58% -32.8 days 0 days126 Procurement and fabrication 456 days Wed 7/8/13 Fri 12/12/14 70% 0 days 127FS+15 da 0 days127 Delivery, assembly and trial 60 days Sat 27/12/14 Wed 25/2/15 0% 126FS+15 days -32.8 days 128SS+21 da 0 days128 Installation, testing & commissioning, survey and

licensing20 days Sat 17/1/15 Fri 6/2/15 0% 127SS+21

days,120FS+1 d

-32.8 days 130FS+5 days,129FS+d 122FS 7

0 days

160 Improvement Works 588.75 days Fri 5/7/13 Fri 13/2/15 46% 355 days 355 days185 III - Construction at SCISTW 500 days Fri 5/7/13 Mon 17/11/14 73% 443.75 days 443.75 days194 Replace existing fenders at seawall 14 days Mon 20/10/14 Mon 3/11/14 50% 193FS-1 wk 457.75 days 195 457.75 days196 New manhole and sewer for receipt of Marine Vessel foul

water28 days Mon 20/10/14 Mon 17/11/14 50% 193FS-1 wk 443.75 days 443.75 days

197 Weighbridge Installation (Contractor proposal) 42 days Fri 5/7/13 Fri 16/8/13 20% 875.15 days 198FS-1 wk 0 days198 Sludge Unloading Control and Indication System (Contractor

proposal)42 days Fri 9/8/13 Fri 20/9/13 20% 197FS-1 wk 866.75 days 199,273 866.75 days

200 IV - Construction at WENT RA 174.25 days Mon 4/8/14 Mon 26/1/15 37% 165FS+12 wks,181,184,18

373.75 days 373.75 days

204 CLP Transformer Room 174.25 days Mon 4/8/14 Mon 26/1/15 29% 373.75 days 373.75 days206 Superstructure works 26 days Sun 7/9/14 Fri 3/10/14 30% 488 days 488 days207 Concreting 18 days Sat 4/10/14 Wed 22/10/14 0% 205 427 days 208 0 days208 Roof Structure 16 days Wed 22/10/14 Fri 7/11/14 0% 207 427 days 209 0.25 days209 Builder's Works 26 days Sat 8/11/14 Thu 4/12/14 0% 208 426.75 days 426.75 days211 Maintenance Workshop and Container Washing

Facilities174.25 days Mon 4/8/14 Mon 26/1/15 0% 373.75 days 373.75 days

212 Substructure of Workshop and Pump Room 10 days Tue 11/11/14 Fri 21/11/14 0% 420.75 days 420.75 days213 Erection Formwork 2 days Tue 11/11/14 Thu 13/11/14 0% 420.75 days 214 0 days214 Fix Steel 5 days Thu 13/11/14 Tue 18/11/14 0% 213 420.75 days 215 0 days215 Concreting 1 day Tue 18/11/14 Wed 19/11/14 0% 214 420.75 days 216 0 days216 Demolition of Formwork 2 days Wed 19/11/14 Fri 21/11/14 0% 215 420.75 days 218 0 days217 Superstructure of Workshop and Pump Room 127.25 days Mon 4/8/14 Wed 10/12/14 0% 420.75 days 420.75 days218 Erection Formwork 4 days Fri 21/11/14 Tue 25/11/14 0% 216 420.75 days 219 0 days219 Fix Steel for slab and column 5 days Tue 25/11/14 Sun 30/11/14 0% 218 420.75 days 220 0 days220 Erection of Falsework 6 days Sun 30/11/14 Sat 6/12/14 0% 219 420.75 days 221 0 days221 Fix steel for roof 4 days Sat 6/12/14 Wed 10/12/14 0% 220 420.75 days 420.75 days222 Erection of formwork for roof 2 days Mon 4/8/14 Wed 6/8/14 0% 546 days 546 days223 Concreting 1 day Mon 4/8/14 Tue 5/8/14 0% 547 days 547 days224 Demolition of Formwork 1 day Mon 4/8/14 Tue 5/8/14 0% 547 days 547 days225 Cap of the Pit of Container Washing Facility 12 days Sat 8/11/14 Thu 20/11/14 0% 373.75 days 373.75 days226 Excavation 2 days Sat 8/11/14 Mon 10/11/14 0% 373.75 days 227 0 days227 Binding layer 1 day Mon 10/11/14 Tue 11/11/14 0% 226 373.75 days 228 0 days228 Erection Formwork 3 days Tue 11/11/14 Fri 14/11/14 0% 227 373.75 days 229 0 days229 Fix steel 3 days Fri 14/11/14 Mon 17/11/14 0% 228 373.75 days 230 0 days230 Concreting 1 day Mon 17/11/14 Tue 18/11/14 0% 229 373.75 days 231 0 days231 Demolition of Formwork 2 days Tue 18/11/14 Thu 20/11/14 0% 230 373.75 days 233 0 days232 Pit of Container Washing Facility 14 days Thu 20/11/14 Thu 4/12/14 0% 373.75 days 373.75 days233 Excavation 3 days Thu 20/11/14 Sun 23/11/14 0% 231 373.75 days 234 0 days234 Binding layer 2 days Sun 23/11/14 Tue 25/11/14 0% 233 373.75 days 235 0 days235 Erection Formwork 3 days Tue 25/11/14 Fri 28/11/14 0% 234 373.75 days 236 0 days236 Fix steel 3 days Fri 28/11/14 Mon 1/12/14 0% 235 373.75 days 237 0 days237 Concreting 1 day Mon 1/12/14 Tue 2/12/14 0% 236 373.75 days 238 0 days238 Demolition of Formwork 2 days Tue 2/12/14 Thu 4/12/14 0% 237 373.75 days 240 0 days

31/12

7/12

W69 W70 W71 W72 W73 W74 W75 W76 W77 W78 W79 W80 W81 W82 W83 W84 W85 W8626/10 2/11 9/11 16/11 23/11 30/11 7/12 14/12 21/12 28/12 4/1 11/1 18/1 25/1 1/2 8/2 15/2 22/2

November 2014 December 2014 January 2015 February 2015 M

Task

Split

Milestone

Summary

Project Summary

External Tasks

External Milestone

Inactive Task

Inactive Milestone

Inactive Summary

Manual Task

Duration-only

Manual Summary Rollup

Manual Summary

Start-only

Finish-only

Critical

Critical Split

Progress

Deadline

Drainage Services DepartmentGovernment of the HKSAR

Contract No DC/2009/19Harbour Area Treatment Scheme Stage 2A

Upgrading Works at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities3-Months Rolling Programme

SITA ATAL JV

3-month rolling programme (Oct 2014)_JLE Page 1 of 2 printed Tue 2/12/14 10:08

Project: DC/2009/19Date: 30 Sep 2013

ID Task Name Duration Start Finish % Complete Predecessors Total Slack Successors Free Slack

239 Container Washing Facility 13 days Thu 4/12/14 Wed 17/12/14 0% 373.75 days 373.75 days240 Backfill 4 days Thu 4/12/14 Mon 8/12/14 0% 238 373.75 days 241 0 days241 Formwork 1 day Mon 8/12/14 Tue 9/12/14 0% 240 373.75 days 242 0 days242 Falsework 1 day Tue 9/12/14 Wed 10/12/14 0% 241 373.75 days 243 0 days243 Fix steel 3 days Wed 10/12/14 Sat 13/12/14 0% 242 373.75 days 244 0 days244 Concreting 2 days Sat 13/12/14 Mon 15/12/14 0% 243 373.75 days 245 0 days245 Dismantle Formwork 2 days Mon 15/12/14 Wed 17/12/14 0% 244 373.75 days 246,247,248 0 days246 Utility Works (E&M, telecommunication) 32 days Wed 17/12/14 Sun 18/1/15 0% 245 381.75 days 381.75 days247 ABWF 40 days Wed 17/12/14 Mon 26/1/15 0% 245 373.75 days 373.75 days248 Drainage at Workshop 30 days Wed 17/12/14 Fri 16/1/15 0% 245 383.75 days 383.75 days249 Phases 1 & 2 Commissioning tests 2 days Mon 4/8/14 Wed 6/8/14 0% 181 days 4 181 days250 V - E&M Works 419 days Wed 27/11/13 Tue 20/1/15 30% 379.75 days 379.75 days253 Prepare DDA Design Submission for E&M works 60 days Tue 1/7/14 Sat 30/8/14 46% 251 77.75 days 254 0 days254 Submit DDA documents to Design Checker and SO 0 days Sat 30/8/14 Sat 30/8/14 90% 253 77.75 days 255FS+28 da 0 days255 Design Checker certifies Detail Design drawings 0 days Tue 30/9/14 Tue 30/9/14 90% 254FS+28 days 491.75 days 256 0 days256 Provide list of certified Design drawings 0 days Tue 30/9/14 Tue 30/9/14 90% 255 491.75 days 491.75 days257 SO consents to DDA Design 0 days Sat 25/10/14 Sat 25/10/14 90% 254FS+56 days 383.25 days 258 0 days258 Deposit Registered Design with Employer, SO and Design Che 7 days Sat 25/10/14 Sat 1/11/14 50% 257 379.75 days 259 0 days259 Construct On-shore power supply for WENT RA, including

liaising with EPD and CLP (Contractor Proposal)80 days Sat 1/11/14 Tue 20/1/15 0% 258 379.75 days 379.75 days

260 Electrical Works 511.75 days Fri 20/9/13 Fri 13/2/15 7% 355 days 355 days261 SCISTW 94 days Sat 30/8/14 Tue 2/12/14 0% 77.75 days 77.75 days262 Install power cabling at SCISTW berthing area 40 days Sat 30/8/14 Thu 9/10/14 0% 254 77.75 days 263 0 days263 Installaion of on-shore power supply at SCISTW 40 days Thu 9/10/14 Tue 18/11/14 0% 262 77.75 days 4,264 0 days264 Interface connection to DC17 14 days Tue 18/11/14 Tue 2/12/14 0% 263 423.75 days 275 0 days265 Went Landfill 511.75 days Fri 20/9/13 Fri 13/2/15 12% 355 days 355 days266 Electrical services material/equipment delivery on site 0 days Mon 15/12/14 Mon 15/12/14 0% 369.75 days 267 1 day267 Electrical services installation 46 days Tue 16/12/14 Sat 31/1/15 0% 266 368.75 days 368.75 days268 LV switch board & material delivery on site 0 days Fri 12/12/14 Fri 12/12/14 0% 379 days 269 0.75 days269 LV switch board installation 10 days Fri 12/12/14 Mon 22/12/14 0% 268 378.25 days 293,292 0 days270 LV switch board delivery on site 0 days Mon 19/1/15 Mon 19/1/15 0% 366.75 days 271 0 days271 LV switch board installation 14 days Mon 19/1/15 Mon 2/2/15 0% 270 366.75 days 366.75 days272 Electrical services installation at work shop 32.75 days Mon 12/1/15 Fri 13/2/15 0% 355 days 355 days274 Testing of weighbridge 5 days Tue 2/12/14 Sun 7/12/14 0% 199 423.75 days 423.75 days275 Testing of On-shore power 5 days Tue 2/12/14 Sun 7/12/14 0% 264 423.75 days 423.75 days276 Fire Service System at Went Landfill 32.75 days Mon 15/12/14 Fri 16/1/15 0% 382.25 days 382.25 days277 Fire service pump/AFA control panel delivery on site 0 days Mon 15/12/14 Mon 15/12/14 0% 383.25 days 278 1 day278 Fire service installation 31.75 days Tue 16/12/14 Fri 16/1/15 0% 277 382.25 days 288,289,287 2.25 days279 MVAC System at Went Landfill 47.75 days Mon 15/12/14 Sat 31/1/15 0% 368 days 368 days280 A/C Unit / exhaust air fan delivery on site 0.75 days Mon 15/12/14 Mon 15/12/14 0% 368.25 days 281 0.25 days281 MVAC system installation 46.75 days Tue 16/12/14 Sat 31/1/15 0% 280 368 days 368 days282 Plumbing & Drainage System 47.75 days Mon 15/12/14 Sat 31/1/15 0% 368 days 368 days283 Went Landfill 47.75 days Mon 15/12/14 Sat 31/1/15 0% 368 days 368 days284 Equipment & material delivery on site 0.75 days Mon 15/12/14 Mon 15/12/14 0% 368.25 days 285 0.25 days285 Plumbing & drainage system installation 46.75 days Tue 16/12/14 Sat 31/1/15 0% 284 368 days 368 days286 VI - Statutory Submission 46.25 days Mon 22/12/14 Sat 7/2/15 0% 361.75 days 361.75 days287 Fire Service System 14.75 days Mon 19/1/15 Mon 2/2/15 0% 278 366 days 366 days288 Prep & Sub Form 314 to FSD 0 days Mon 19/1/15 Mon 19/1/15 0% 278 380 days 290 14 days289 Prep & Sub Form 501 to FSD 0 days Mon 19/1/15 Mon 19/1/15 0% 278 380 days 290 14 days292 Electrical Services System 46.25 days Mon 22/12/14 Sat 7/2/15 0% 269 353.75 days 353.75 days293 Liaison with CLP for transformer room inspection 0 days Mon 22/12/14 Mon 22/12/14 0% 269 378.25 days 295 10.25 days295 CLP Inspection for transformer 0 days Fri 2/1/15 Fri 2/1/15 0% 293 368 days 296 3 days296 Transformer delivery on site 0.75 days Mon 5/1/15 Mon 5/1/15 0% 295 365 days 297 11 days297 Cable installation by CLP 21 days Fri 16/1/15 Fri 6/2/15 0% 296 354 days 298 0.25 days311 Interim Operation Plan 549.75 days Sat 3/8/13 Tue 3/2/15 61% 365 days 365 days318 Interim Operation 459.75 days Fri 1/11/13 Tue 3/2/15 59% 365 days 365 days322 Perform Interim Opeartion 425 days Fri 1/11/13 Wed 31/12/14 63% 7,8FF 365.75 days 323 0.75 days323 Perform Extended Interim Operation 34 days Wed 31/12/14 Tue 3/2/15 0% 322,4FF 365 days 365 days324 Operation Plan 72 days Thu 6/11/14 Sat 17/1/15 0% 382.75 days 382.75 days325 Prepare and submit Operation Plan to SO and Design Checker 30 days Thu 6/11/14 Sat 6/12/14 0% 9FS-90 days 382.75 days 326,327FS+4

days0 days

326 Design Checker certifies Operation Plan 28 days Sat 6/12/14 Sat 3/1/15 0% 325 382.75 days 327FS+14 da 0 days327 SO consents to Operation Plan 0 days Sat 17/1/15 Sat 17/1/15 0% 326FS+14 days 382.75 days 382.75 days328 SO to give notice of commencement of Operation 0 days Wed 14/1/15 Wed 14/1/15 0% 9FS-3 wks 385.75 days 385.75 days

25/10

15/12

12/12

19/1

15/12

19/119/1

22/122/1

17/114/1

W69 W70 W71 W72 W73 W74 W75 W76 W77 W78 W79 W80 W81 W82 W83 W84 W85 W8626/10 2/11 9/11 16/11 23/11 30/11 7/12 14/12 21/12 28/12 4/1 11/1 18/1 25/1 1/2 8/2 15/2 22/2

November 2014 December 2014 January 2015 February 2015 M

Task

Split

Milestone

Summary

Project Summary

External Tasks

External Milestone

Inactive Task

Inactive Milestone

Inactive Summary

Manual Task

Duration-only

Manual Summary Rollup

Manual Summary

Start-only

Finish-only

Critical

Critical Split

Progress

Deadline

Drainage Services DepartmentGovernment of the HKSAR

Contract No DC/2009/19Harbour Area Treatment Scheme Stage 2A

Upgrading Works at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities3-Months Rolling Programme

SITA ATAL JV

3-month rolling programme (Oct 2014)_JLE Page 2 of 2 printed Tue 2/12/14 10:08

Project: DC/2009/19Date: 30 Sep 2013


Report No.: 0379/13/ED/0227



Appendix C

Event / Action Plan

DC/2009/19 Harbour Area Treatment Scheme Stage 2A Employer’s Requirements – Part B Upgrading Works at Stonecutters Island Sewage Treatment Works - Appendix 25D Sludge Handling and Disposal Facilities

Arup ERB/APP 25D - 11 E-DC_2009_19-ERB-APP_25D-00

Table 2.4 Event / Action Plan for Construction Air Quality

Event Action

ET IEC ER Contractor ACTION LEVEL

1. Exceedance for one sample

1. Identify source, investigate the causes of exceedance and propose remedial measures;

2. Inform IEC and ER; 3. Repeat measurement to confirm finding; 4. Increase monitoring frequency to daily.

1. Check monitoring data submitted by ET; 2. Check Contractor’s working method.

1. Notify Contractor. 1. Rectify any unacceptable practice; 2. Amend working methods if appropriate.

2. Exceedance for two or more consecutive samples

1. Identify source; 2. Inform IEC and ER; 3. Advise the ER on the effectiveness of the

proposed remedial measures; 4. Repeat measurements to confirm findings; 5. Increase monitoring frequency to daily;

6. Discuss with IEC and Contractor on remedial actions required;

7. If exceedance continues, arrange meeting with IEC and ER;

8. If exceedance stops, cease additional monitoring.

1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss with ET and Contractor on possible

remedial measures; 4. Advise the ET on the effectiveness of the

proposed remedial measures; 5. Supervise Implementation of remedial

measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor; 3. Ensure remedial measures properly

implemented.

1. Submit proposals for remedial to ER within 3 working days of notification;

2. Implement the agreed proposals; 3. Amend proposal if appropriate.

LIMIT LEVEL

1. Exceedance for one sample

1. Identify source, investigate the causes of exceedance and propose remedial measures;

2. Inform ER, Contractor and EPD; 3. Repeat measurement to confirm finding; 4. Increase monitoring frequency to daily; 5. Assess effectiveness of Contractor’s remedial

actions and keep IEC, EPD and ER informed of the results.

1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss with ET and Contractor on possible

remedial measures; 4. Advise the ER on the effectiveness of the

proposed remedial measures; 5. Supervise implementation of remedial

measures.


2. Notify Contractor; 3. Ensure remedial measures properly

implemented.

1. Take immediate action to avoid further exceedance;

2. Submit proposals for remedial actions to IEC within 3 working days of notification;

3. Implement the agreed proposals; 4. Amend proposal if appropriate.

2. Exceedance for two or more consecutive samples

1. Notify IEC, ER, Contractor and EPD; 2. Identify source; 3. Repeat measurement to confirm findings; 4. Increase monitoring frequency to daily; 5. Carry out analysis of Contractor’s working

procedures to determine possible mitigation to be implemented;

6. Arrange meeting with IEC and ER to discuss the remedial actions to be taken;

7. Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and ER informed of the results;


1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss amongst ER, ET, and Contractor on

the potential remedial actions; 4. Review Contractor’s remedial actions

whenever necessary to assure their effectiveness and advise the ER accordingly;

5. Supervise the implementation of remedial measures.


2. Notify Contractor; 3. In consolidation with the IEC, agree

with the Contractor on the remedial measures to be implemented;

4. Ensure remedial measures properly implemented;

5. If exceedance continues, consider what portion of the work is responsible and instruct the Contractor to stop that portion of work until the exceedance is abated.


2. Submit proposals for remedial actions to IEC within 3 working days of notification;

3. Implement the agreed proposals; 4. Resubmit proposals if problem still not

under control; 5. Stop the relevant portion of works as

determined by the ER until the exceedance is abated.

LBYU

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LBYU

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Text Box

Event/ Action Plan for Construction Air Quality

DC/2009/19 Harbour Area Treatment Scheme Stage 2A Employer’s Requirements – Part B Upgrading Works at Stonecutters Island Sewage Treatment Works - Appendix 25D Sludge Handling and Disposal Facilities

Arup ERB/APP 25D - 17 E-DC_2009_19-ERB-APP_25D-00

Mobile plant, if any, shall be sited as far away from NSRs as possible.

Machines and plant (such as trucks) that may be in intermittent use shall be shut down between works periods or shall be throttled down to a minimum.

Plant known to emit noise strongly in one direction shall, wherever possible, be orientated so that the noise is directed away from the nearby NSRs.

Material stockpiles and other structures shall be effectively utilised, wherever practicable, in screening noise from on-site construction activities.

3.25 If the above measures are not sufficient to restore the construction noise quality to acceptable levels

upon the advice of ET Leader, the contractor shall liaise with the ET Leader to identify further mitigation measures. They shall be proposed to ER for approval, and the contractor shall then implement these additional mitigation measures.

3.26 The implementation schedule for the recommended mitigation measures is presented in Appendix

A. Table 3.3 Event/Action Plan for Construction Noise

Event Action

ET IEC ER Contractor

Action Level being exceeded

1. Notify ER, IEC and Contractor;

2. Carry out investigation;

3. Report the results of investigation to the IEC, ER and Contractor;

4. Discuss with the IEC and Contractor on remedial measures required;

5. Increase monitoring frequency to check mitigation effectiveness.

1. Review the investigation results submitted by the ET;

2. Review the proposed remedial measures by the Contractor and advise the ER accordingly;

3. Advise the ER on the effectiveness of the proposed remedial measures.


2. Notify Contractor;

3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented;

4. Supervise the implementation of remedial measures.

1. Submit noise mitigation proposals to IEC and ER;

2. Implement noise mitigation proposals.

Limit Level being exceeded

1. Inform IEC, ER, Contractor and EPD;

2. Repeat measurements to confirm findings;

3. Increase monitoring frequency;

4. Identify source and investigate the cause of exceedance;

5. Carry out analysis of Contractor’s working procedures;

6. Discuss with the IEC, Contractor and ER on remedial measures required;

7. Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and ER informed of the results;


1. Discuss amongst ER, ET, and Contractor on the potential remedial actions;

2. Review Contractor’s remedial actions whenever necessary to assure their effectiveness and advise the ER accordingly.


2. Notify Contractor;

3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented;

4. Supervise the implementation of remedial measures;

5. If exceedance continues, consider stopping the Contractor to continue working on that portion of work which causes the exceedance until the exceedance is abated.


2. Submit proposals for remedial actions to IEC and ER within 3 working days of notification;

3. Implement the agreed proposals;

4. Submit further proposal if problem still not under control;

5. Stop the relevant portion of works as instructed by the ER until the exceedance is abated.

LBYU

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LBYU

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LBYU

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Event/ Action Plan for Noise


Report No.: 0379/13/ED/0227



Appendix D

Implementation Schedule of Mitigation Measures


Page 1 of 16



Contract No. DC/2009/19 Harbour Area Treatment Scheme Stage 2A Upgrading Works at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities APPENDIX D IMPLEMENTATION SCHEDULE AND RECOMMENDED MITIGATION MEASURES

EIA Ref. Recommended Mitigation Measures Objectives of the Recommended Measure & Main Concern to Address

Who to implement the measure?

Location of the measure

When to implement the measure?

What requirements or standards for the measure to achieve?

The implementation status by the Contractor of DC/2009/19 during the weekly site audit

A Air Quality

3.64 � Watering twice per day within the worksites at North Point PTW, Wan Chai East PTW, Fung Mat Road Site, Sandy Bay PTW, Wah Fu PTW, Aberdeen PTW and SCS worksite at Aberdeen;

� Watering 4 times per day within worksites at the Central PTW; � Barging points, if any, should be continuous watering throughout the

whole unloading process; and � Watering 8 times per day within worksites at the SCS works area at

Wan Chai East and North Point, SCISTW and the Disinfection Facilities of SCISTW.

To reduce dust nuisance

Contractor Work site / During construction

Construction phase

EIAO-TM & Air Quality Objective

*

3.74 Implementation of dust suppression measures stipulated in Air Pollution Control (Construction Dust) Regulation. The following mitigation measures, good site practices and a comprehensive dust monitoring and audit programme are recommended to minimize cumulative dust impacts. � Skip hoist for material transport should be totally enclosed by

impervious sheeting; � Vehicle washing facilities should be provided at every vehicle exit

point; � The area where vehicle washing takes place and the section of the

road between the washing facilities and the exit point should be paved with concrete, bituminous materials or hardcore;

� Where a site boundary adjoins a road, streets or other areas accessible to the public, hoarding of not less than 2.4 m high from ground level should be provided along the entire length except for a site entrance or exit;

� Use of regular watering, with complete coverage, to reduce dust emissions from exposed site surfaces and unpaved roads, particularly during dry weather;

To reduce dust nuisance

Contractor Work site / During construction

Construction phase

EIAO-TM & Air Quality Objective

*


Page 2 of 16



Contract No. DC/2009/19 Harbour Area Treatment Scheme Stage 2A Upgrading Works at Stonecutters Island Sewage Treatment Works - Sludge Handling and Disposal Facilities







� Side enclosure and covering of any aggregate or dusty material storage piles to reduce emissions. Where this is not practicable owing to frequent usage, watering shall be applied to aggregate fines;

� Open stockpiles shall be avoided or covered. Where possible, prevent placing dusty material storage piles near ASRs;

� Tarpaulin covering of all dusty vehicle loads transported to, from and between site locations;

� Imposition of speed controls for vehicles on unpaved site roads. Ten kilometers per hour is the recommended limit;

� Every stock of more than 20 bags of cement should be covered entirely by impervious sheeting placed in an area sheltered on the top and the 3 sides;

� Every vehicle should be washed to remove any dusty materials from its body and wheels before leaving the construction sites; and

� Instigation of an environmental monitoring and auditing program to monitor the construction process in order to enforce controls and modify method of work if dusty conditions arise.

3.77 To avoid excessive extraction of the foul air from the drop shafts of the sedimentation tanks and also from the effluent flume structure of SCISTW t deodorization system, the extraction vent(s) of the deodorization system should be located away from the top openings of the drop shafts.

To ensure compliance of the odour criterion stipulated in the EIAO- TM

Engineer SCISTW Design Stage

EIAO- TM N/A

3.80 Commissioning tests for all deodorization system should be included in the Design and Construction Contract Document

To ensure compliance of the odour criterion stipulated in the EIAO- TM

Engineer All PTWs and SCISTW

After completion of construction

EIAO- TM ^

B Airborne Noise

4.56-4.61 Construction Phase

� Use of quiet PME, movable barriers and acoustic mats

To reduce construction noise impacts

Contractor All work sites Construction phase

EIAO- TM ^


Page 3 of 16










4.67 Good Site Practice: � Only well-maintained plant shall be operated on-site and plant shall

be serviced regularly during the construction program. � Silencers or mufflers on construction equipment shall be utilized and

shall be properly maintained during the construction program. � Mobile plant, if any, shall be sited as far away from NSRs as

possible. � Machines and plant (such as trucks) that may be in intermittent use

shall be shut down between works periods or shall be throttled down to a minimum.

� Plant known to emit noise strongly in one direction shall, wherever possible, be orientated so that the noise is directed away from the nearby NSRs. Material stockpiles and other structures shall be effectively utilized, wherever practicable, in screening noise from on-site construction activities.

To reduce construction noise impacts


EIAO- TM ^

C Water Quality

6.349 to 6.375

Construction Phase

Construction Site Runoff and General Construction Activities The mitigation measures as outlined in the ProPECC PN 1/94 Construction Site Drainage should be adopted where applicable.

To control water quality impact from construction site runoff and general construction activities


EIAO- TM, WPCO

^

6.376 Effluent Discharge There is a need to apply to EPD for a discharge licence for discharge of effluent from the construction site under WPCO. The discharge quality must meet the requirements specified in the discharge licence. If monitoring of the treated effluent quality from the works areas is required during the construction phase of the Project, the monitoring should be carried out in accordance with the WPCO license which is under the ambit of regional office (RO) of EPD. Minimum distances of 100 m should be maintained between the discharge points of construction site effluent and the existing saltwater intakes.

To control water quality impact from effluent discharge from the construction sites


EIAO- TM, WPCO

^


Page 4 of 16










6.377 Accidental Spillage of Chemicals Contractor must register as a chemical waste produce if chemical wastes would be produced from the construction activities. The Waste Disposal Ordinance (Cap 354) and its subsidiary regulations in particular the Waste Disposal (Chemical Waste) (General) Regulation should be observed and complied with for control of chemical wastes.

To control water quality impact from accidental chemical spillage


EIAO- TM, WPCO, WDO

^

6.378 Any service shop and maintenance facilities should be located on hard standings within a bunded area, and sumps and oil interceptors should be provided. Maintenance of vehicles and equipment involving activities with potential for leakage and spillage should only be undertaken within the areas appropriately equipped to control these discharges.



EIAO- TM, WPCO, WDO

*

6.379 Disposal of chemical wastes should be carried out in compliance with the Waste Disposal Ordinance. The Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes published under the Waste Disposal Ordinance details the requirements to deal with chemical wastes. General requirements are given as follows: � Suitable containers should be used to hold the chemical wastes to

avoid leakage or spillage during storage, handling and transport. � Chemical waste containers should be suitably labelled, to notify and

warn the personnel who are handling the wastes, to avoid accidents.

� Storage area should be selected at a safe location on site and adequate space should be allocated to the storage area.



EIAO- TM, WPCO, WDO

^


Page 5 of 16










6.38 Construction Works in Close Proximity of Storm Drains or Seafront To minimize the potential water quality impacts from the construction works located at or near any watercourse, the practices outlined below should be adopted where applicable. � The use of less or smaller construction plants may be specified to reduce the disturbance to the storm water courses or marine environment.

� Temporary storage of materials (e.g. equipment, filling materials, chemicals and fuel) and temporary stockpile of construction materials should be located well away from any water courses during carrying out of the construction works.

� Stockpiling of construction materials and dusty materials should be covered and located away from any water courses.

� Construction debris and spoil should be covered up and/or disposed of as soon as possible to avoid being washed into the nearby water receivers.

� Construction activities, which generate large amount of wastewater, should be carried out in a distance away from the waterfront, where practicable.

� Proper shoring may need to be erected in order to prevent soil/mud from slipping into the storm culvert or sea.

To control water quality impact from construction works in close proximity of storm drains or seafront


EIAO- TM, WPCO, WDO

*


Page 6 of 16










6.381 Temporary Sewage Bypass It is recommended that the temporary sewage bypass required for (i) the modification to the existing pumping station at SCISTW and (ii) the Interconnection between the existing main pumping station and the new pumping station on Stonecutters Island, if needed, should be scheduled at the same time as far as practicable in order to minimize the temporary discharge duration. It is also recommended that all the modification and interconnection to the existing facilities (including the modification to the existing NWKPS) should be programmed to avoid temporary sewage bypass in wet or bathing season (March to October) to minimize the potential impacts. Relevant government departments including EPD and LCSD should be informed of the planned sewage bypass prior to any discharge. During the sewage bypass period, water quality monitoring should be carried out at the water sensitive receivers to quantify the water quality impacts and to determine when the baseline water quality conditions are restored. Also, a framework of the response procedures has been formulated to minimize the impact of temporary discharges. Details are provided in the standalone EM&A Manual.

To minimize the water quality impact arising from the planned temporary sewage bypass

DSD SCISTW Design Stage and Construction Phase

IEIAO-TM and WPCO

N/A

E Waste Management

9.107 Reusable steel or concrete panel shutters, fencing and hoarding and signboard should be used as a preferred alternative to items made of wood, to minimise wastage of wood. Attention should be paid to WBTC No. 19/2001 Metallic Site Hoardings and Signboards to reduce the amount of timber used on construction sites. Metallic alternatives to timber are readily available and should be used rather than new timber. Precast concrete units should be adopted wherever feasible to minimize the use of timber formwork.

To minimize wastage of wood

Contractor Work sites Construction phase

WBTC No. 19/2001

^


Page 7 of 16










9.109 All waste materials should be segregated into categories covering: � excavated materials suitable for reuse on-site; � excavated materials suitable for public filling facilities; � remaining C&D waste for landfill; � chemical waste; and � general refuse for landfill.

To implement on-site sorting facilitating reuse and recycling of materials of waste.


^

9.113 Recommendations to achieve waste reduction include: � Sort C&D waste from demolition of existing facilities to recover

recyclable portions such as metals; � Segregation and storage of different types of waste in different

containers, skips or stockpiles to enhance reuse or recycling of materials and their proper disposal;

� Encourage collection of aluminium cans, PET bottles and paper by providing separate labelled bins to enable these wastes to be segregated from other general refuse generated by the work force;

� Any unused chemicals or those with remaining functional capacity shall be recycled; and

� Proper storage and site practices to minimise the potential for damage or contamination of construction materials.

To implement on-site sorting facilitating reuse and recycling of materials as well as proper disposal of waste.


*


Page 8 of 16










9.115 Recommendations for good site practices during construction activities include:- � Nomination of an approved person, such as a site manager, to be responsible for good site practices, arrangements for collection and effective disposal to an appropriate facility, of all wastes generated at the site

� Training of site personnel in proper waste management and chemical waste handling procedures

� Develop and provide toolbox talk for on-site sorting of C&D materials to enhance worker's awareness in handling, sorting, reuse and recycling of C&D materials.

� Provision of sufficient waste disposal points and regular collection of waste

� Regular cleaning and maintenance programme for drainage systems, sumps and oil interceptors

To implement good site practice for handling, sorting, reuse and recycling of C&D materials


Waste Disposal Ordinance (Cap.54) ETWB TCW No. 19/2005

*

9.125 Bentonite slurries used in diaphragm wall construction should be reconditioned and reused wherever practicable. The disposal of residual used bentonite slurry should follow the good practice guidelines stated in ProPECC PN 1/94 "Construction Site Drainage"

To enhance reuse of bentonite and proper disposal of residual bentonite slurry.


ProPECC PN 1/94

N/A

9.131 Adequate number of portable toilets at temporary works areas or the PTWs to ensure that sewage from site staff would be properly collected.

To collect sewage from site staffs properly.


^

9.133 General refuse should be stored in enclosed bins, skips or compaction unit separating from C&D material and disposed of at designated landfill.

To separate general refuse from C&D material and proper disposal of the refuse


*


Page 9 of 16










9.135 The recyclable component of the municipal waste generated by the workforce, such as aluminium cans, paper and cleansed plastic containers should be separated from other waste. Provision and collection of recycling bins for different types of recyclable waste should be set up by the Contractor. The Contractor should also be responsible for arranging recycling companies to collect these materials.

To facilitate recycling of recyclable materials.


^

9.137 If chemical wastes are produced at the construction site, the Contractor would be required to register with the EPD as a chemical waste producer and to follow the guidelines stated in the Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes. Good quality containers compatible with the chemical wastes should be used, and incompatible chemicals should be stored separately. Appropriate labels should be securely attached on each chemical waste container indicating the corresponding chemical characteristics of the chemical waste, such as explosive, flammable oxidizing, irritant, toxic, harmful, corrosive, etc. The Contractor shall use licensed collector to transport and dispose of the chemical wastes, to either the approved Chemical Waste Treatment Centre, or another licensed facility, in accordance with the Waste Disposal (Chemical Waste) (General) Regulation.

To proper handling of chemical waste


Waste Disposal (Chemical Waste) (General) Regulation

*

9.142 Prior to excavation of the marine deposit layer, the deposit should be tested in accordance with the ETWB TC(W) No. 34/2002 and the results should be presented in a Preliminary Sediment Quality Report. The marine deposit should be disposed of at the disposal site designated by the Marine Fill Committee (MFC) or Director of Environmental Protection (DEP) depending on the test results.

To proper disposal of


ETWB TC(W) No.34/2002

N/A

F Terrestrial Ecology

10.93 To implement effective noise mitigation measures as recommended in Section 4.

To minimise noise disturbance impact to the associated wildlife during the construction phase.

Contractor All the works areas, PTWs and SCISTW

Construction phase

EIAO TM Annex 16

^


Page 10 of 16










10.94 Dust control practices such as regular watering, complete coverage of any aggregate or dusty material storage piles, as well as other measures recommended in Section 3, should be implemented.

To minimize indirect dust impact to the nearby construction works.


Construction phase

EIAO TM Annex 16

*

10.95 Fences/hoardings should be erected and installed along the boundary of the works areas.

To minimise disturbance impact to the nearby habitats and the associated wildlife.


Construction phase

EIAO TM Annex 16

^

10.96 Standard good site practices as suggested in Section 10 should be implemented.

To minimise disturbance impact to the nearby habitats and the associated wildlife.


Construction phase

EIAO TM Annex 16

^

10.97 Provision of proper drainage system and runoff control measures such as use of sand/silt traps, oil/grease separators, sedimentation tanks, etc.

To minimise site runoff of high level of sediment solids and other pollutions from entering the nearby water bodies.


Construction phase

EIAO TM Annex 16

^

10.98 Provision of compensatory planting of similar native tree species in no less than 1:1 compensatory ratio in terms of quality and quantity.

To compensate Removal of individual trees directly affected by proposed works.


Post-construction phase

EIAO TM Annex 16 & ETWBTC (Works) No. 3/2006

N/A

G Marine Ecology

11.135 To minimize the potential indirect impacts on water quality from construction site runoff and various construction activities, the practices outlined in ProPECC PN 1/94 Construction Site Drainage should be adopted.

To minimize the potential indirect impacts on water quality


Construction phase

EIAO TM ^


Page 11 of 16










11.136 To avoid/minimize the impact to corals, it is proposed that they are translocated to the eastern end of the existing seawall, which has similar hydrographic parameters and supports healthy growth of the same species and is thus considered as a suitable recipient site (Figure 11.13). Coral translocation should be carried out during the winter season (November-March) in order to avoid disturbance to the transplanted colonies during the spawning period (i.e. July to October).

To reduce adverse impacts on coral colonies recorded in the works area by translocation to an unaffected site.

Sub-contractor

Aberdeen PTW

Pre-constructino phase

EIAO-TM N/A

11.137 Dredging works will not be carried out and sheet piles or silt curtains will be used to contain filling material used during demolition/re-construction of the seawall. Water quality modeling predicts that no adverse impact on water quality at the proposed recipient (Figure 11.13) site would occur during construction works. Following this, no construction phase monitoring on translocated coral would be required. However, post-translocation monitoring is suggested to be carried out every 3 months for one year. This would be carried out by a marine ecological specialist that is approved by the Director. Translocation plan for corals will be submitted to the Director or approval prior to the commencement of construction works.

N/A

11.139 It is recommended that temporary sewage bypass should be programmed to avoid temporary sewage bypass in wet or bathing season (March to October) in order to minimize the potential impacts. Relevant government departments including EPD and LCSD should be informed of the planned sewage bypass prior to any discharge. During the sewage bypass period, water quality monitoring should be carried out at the water sensitive receivers to quantify the water quality impacts and to determine when the baseline water quality conditions are restored. Also, a framework of the response procedures has been formulated to minimize the impact of temporary discharges. Details are provided in the standalone EM&A Manual.

To minimize water quality impact resulting from planned temporary sewage bypass.

DSD SCISTW Design Stage and Construction Phase

EIAO-TM and WPCO

N/A


Page 12 of 16










H Landscape and Visual

Table 13.7

� Topsoil, where identified, should be stripped and stored for re-use in the construction of the soft landscape works, where practical.

� Existing trees to be retained on site should be carefully protected during construction.

� Trees unavoidably affected by the works should be transplanted where practical.

� Compensatory tree planting should be provided to compensate for felled trees.

� Control of night-time lighting. � Erection of decorative screen hoarding compatible with the

surrounding setting.

To minimise potential visual intrusion to existing VSRs and compensate the possible loss of greenery from the Project

DSD All the works areas, PTWs and SCISTW

Construction phase

EIAO-TM Annex 10, 18 ETWB TCW 2/2004 ETWB TCW No. 3/2006

*

H Hazard to Life

14A.198 & 14A.203

� Limiting magnitude of ground settlement associated with shafts & tunnels construction, excavation and seawall demolition to 13mm and subject to requirements from relevant authorities.

To prevent damage to gas facilities with the HKCG Depot.

Contractor Vibration and ground monitoring along boundary of HKCG Depot and perimeter of the gas holder for the Aberdeen project

Construction Phase

N/A

14A.199 & 14A.204

� Limiting of the vibration levels associated with the blasting programme for the Tunnel P, shafts and other construction works (including demolition & reconstruction of seawall, excavation for seawater pump house at the Aberdeen PTW) at the PTW sites to a peak particle velocity of 5mm/s and subject to requirements from relevant authorities. Moving array of sensors will be used as the tunnel is advanced.

To prevent any structural damage to HKCG Aberdeen Depot and Ap Lei Chau Shell Depot particularly the LPG compound.

Contractor Monitoring will be undertaken at ground level

Construction Phase

N/A


Page 13 of 16










14A.201 � Limiting use of cranes in terms of locations, lifting height, swing angle and setting up safety zone.

To ensure allowable limits are not exceeded

Contractor Exact location will be determined on site by the engineer

Construction Phase

^

14A.205 � Installation of gas leakage detector/alarm system in LPG compound at Ap Lei Chau Site.

To provide early warning of gas leakage in the LPG facilities

Contractor Exact location will be determined on site by the contractor with the approval of SHELL.

Construction Phase

N/A

14A.206 � Establish emergency plan and procedures To evacuate construction workers to a safe place during gas leakage in the gas facilities

Contractor Construction sites for Aberdeen and Ap Lei Chau PTWs

Construction Phase

N/A


Page 14 of 16










14C.180 Mitigation measures during construction protecting the sodium hypochlorite pipelines and ferric chloride tank farm. General: � Employ vibration detectors and settlement markers � Develop action plan(s) for situations where vibration or settlement

level is found to exceed the set limits � Designated delivery route and off-loading area for delivery trucks � Close supervision and monitoring by safety officers. If there is any

construction work within 2m of the pipelines, an immediate inspection to the pipeline section and the impervious membrane wrapping should be conducted to ensure no damage to the integrity of the pipeline and the membrane Report any damage of the disinfection facilities to operators for remedial actions.

� Provide indication / signs for sodium hypochlorite and ferric chloride pipelines

� Regular checking of chemical delivery pipelines � Provide a physical barrier between the sodium hypochlorite tanks

and the ferric chloride tanks during the construction stage before the new above ground structures for HATS Stage 2A are erected

To minimize the risk of damaging the disinfection facilities

Contractor Construction Site at SCISTW

Construction Phase

N/A


Page 15 of 16










Other construction activities: � Excavation running close or parallel to sodium hypochlorite delivery

pipelines and associated impervious membrane wrapping under road / pavement shall be avoided as far as possible

� Use bore piles instead of percussion piles in order to keep vibration to a minimum

� Maximise the distance between piling and delivery pipelines, as well as the associated impervious membrane wrapping. Monitor vibration resulted from construction works to ensure the velocity and amplitude of vibration limit will not be exceeded

� Conduct hazard assessment for E&M installation and obtain Hot Work Permit before starting welding / hot works

� Check and certify the stability of the construction equipment � Location of any large-scale or high-elevated equipment should be

agreed with SCISTW operator before delivery � Confine hot works in designated areas � Area within the boundaries of chemical storage facilities are subject

to hazardous area control � Maximise the distance between the tunnel shaft and delivery

pipelines

N/A

I Cultural Heritage

Tables 15.8 - 15.11

The construction vibration control limit (ppv of 25mm/s) shall be strictly followed.

To minimize vibration impacts on the identified vibration sensitive historical buildings.

Project Proponent

Identified historical buildings / structures as mentioned in Tables 15.8, 15.9, 15.10 and 15.11

During blasting for tunnel, shafts effluent conveyance system and disinfection facilities in the vicinity of the buildings/ structures

N/A


Page 16 of 16










15.70 Monitoring of vibration limits shall be conducted and reported as a requirement of EM&A programme

To ensure that acceptable vibration limits for historical buildings are not exceeded

Project Proponent

Identified historical buildings / structures as mentioned in Tables 15.8, 15.9, 15.10 and 15.11

During blasting for tunnel, shafts effluent conveyance system and disinfection facilities in the vicinity of the buildings/ structures

N/A

Remarks: ^ Compliance of mitigation measure <> Compliance of mitigation measure but need improvement N/A Not Applicable * Recommendation was made during site audit but improved/rectified by the contractor @ Partially implemented X Non-compliance of mitigation measure

● Non-compliance but rectified by the contractor

# Recommendation was made during site audit and to be improved/rectified by the contractor


Report No.: 0379/13/ED/0227



Figure 1

Site Layout Plan

Rev.

Status

Rev DateByDescription

Drawn

Drawing no.

Date Checked

Drawing title

Scale

COPYRIGHT RESERVED

Project title

Consultant

Approved

DRAINAGE SERVICES DEPARTMENT

GOVERNMENT OF THE

HONG KONG

SPECIAL ADMINISTRATIVE REGION

Contract No. DC/2009/19

Harbour Area Treatment Scheme Stage 2A-

Upgrading Works at Stonecutter

Island Sewage Treatment Works -

Sludge Handling and Disposal Facilities

Barracks

5656

STONECUTTERS ISLAND

f‡d´

Container Terminal

üfix›Naval Base

ˆƒô⁄BSewage Treatment

Works

F‹†'Government

Dockyard

x›

KEY PLAN

N

STONECUTTERS ISLAND

METRES

1 : 1000

10 20 30 40 500

NOTE:

LEGEND:

MAIN PUMPING

STATION

CONTAINER

MAINTENANCE

BUILDING

P3

A ROOM AT WORKSHOP

HAS BEEN RESERVED

FOR THE CONTRCTOR

AS OFFICE

TNTENDER ISSUE 12/12A

NORTHERN SLUDGE

CAKE SILOS

SOUTHERN SLUDGE

CAKE SILOS

SLUDGE DEWATERING

BUILDING

BERTHING AREA

WORKSHOP

EXISTING SLUDGE

CAKE SILOS

EXISTING GATE NO.4

EXISTING GATE NO.1

RESERVED FOR SCISTW

OPERATION VEHICLE

ACCESS

EXISTING GATE NO.2

VEHICLE

WASHING MACHINE

B

B

B 01/13ADDENDUM NO.1 TN

B


Report No.: 0379/13/ED/0227



Figure 2

Air Quality and Noise Monitoring Stations

Title Scale Project

No.

Date Figure

Contract No: DC/2009/10

HATS 2A - Upgrading Main Pumping Station,Sedimentation Tanks and Ancillary Facilities at SISTW N.T.S MA11007

Date Figure

8/2011 1General Location Plan of the Project and Locations of Air Quality and Noise Monitoring Stations

LBYU

Rectangle