Contents

1                      Introduction

1.1                   Purpose of the Report

1.2                   Structure of the Report

2                      Project Information

2.1                   Background

2.2                   General Site Description

2.3                   Construction Programme and Activities

2.4                   Project Organisation

2.5                   Status of Environmental Licences, Notification and Permits

3                      Environmental Monitoring Requirement

3.1                   Water Quality Monitoring

4                      Implementation Status of The environmental protection requirements

5                      Monitoring Results

5.1                   Waste Management

6                      Environmental Site Inspection

7                      Environmental Non-conformance

7.1                   Summary of Monitoring Exceedance

7.2                   Summary of environmental non-compliance

7.3                   Summary of Environmental Complaint

7.4                   Summary of Environmental Summon and successful prosecution

8                      Conclusions

 

 

LIST OF ANNEXES

Annex A

Indicative Location Plan of Key Project Components for CCGT Unit No.1

Annex B

Construction Programme for the Reporting Period and Coming Months

Annex C

Project Organization for EM&A Implementation

Annex D

Summary of Implementation Status of Environmental Mitigation

Annex E

Waste Flow Table

 

EXECUTIVE SUMMARY

The construction works of CCGT Unit No. 1 of the Additional Gas-fired Generation Units Project at the Black Point Power Station commenced on 5 December 2016.  This is the fourth quarterly Environmental Monitoring and Audit (EM&A) report presenting the EM&A works carried out during the period from 1 September 2017 to 30 November 2017 in accordance with the EM&A Manual and the requirements of EP-507/2016, EP-507/2016/A, FEP-01/507/2016 and FEP-02/507/2016/A.

Summary of the Construction Works undertaken during the Reporting Period

The major construction works undertaken during the reporting period include:

Construction Activities undertaken

l   Excavation and lateral support for drainage works;

l   Modification of existing fire hydrant;

l   Manhole construction;

l   Firefighting pipe modification;

l   Installation of E&M service and building service in new site office;

l   Traffic barrier construction;

l   Installation of LVSB at EL room;

l   Construction of TX room;

l   Site establishment;

l   Foundation and substructure works at Power Island; and

l   Shaft construction works for water cooling system.

Environmental Site Inspection

Joint weekly site inspections were conducted by representatives of the Contractor, CAPCO Project Team and ET on 7, 14, 21 and 28 September; 6, 12, 19 and 26 October; and 2, 10, 17, 23 and 30 November 2017.  The representative of the IEC joined the site inspections on 21 September, 19 October and 17 November 2017.  Details of the audit findings and implementation status are presented in Section 6.

Environmental Exceedance/Non-conformance/Complaint/Summons and Prosecution

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

No complaint was received during the reporting period.

No summon or prosecution was received in this reporting period.


 

 

1                        Introduction

The Castle Peak Power Company Limited (CAPCO) is a joint venture between CLP Power Hong Kong Limited (CLP) and China Southern Power Grid Company Limited with CLP as the operator.  ERM-Hong Kong, Limited (ERM) and Mott MacDonald Hong Kong Limited was appointed by CAPCO as the Environmental Team (ET) and the Independent Environmental Checker (IEC), respectively, to undertake the Environmental Monitoring and Audit (EM&A) activities for the installation of CCGT Unit No. 1 of the Additional Gas-fired Generation Units Project at the Black Point Power Station (BPPS) (¡§the Project¡¨). 

1.1                  Purpose of the Report

This is the fourth quarterly EM&A report which summarises the audit findings during the reporting period from 1 September 2017 to 30 November 2017.

1.2                  Structure of the Report

Section 1 :  Introduction

It details the purpose and structure of the report.

 

Section 2 :  Project Information

It summarises the background and scope of the project, site description, project organisation and contact details, construction programme, construction works undertaken and status of the Environmental Permits/Licenses during the reporting period.

 

Section 3 :  Environmental Monitoring Requirement

It briefly introduces the environmental monitoring requirements for the Project.

 

Section 4 :  Implementation Status of the Environmental Protection  Requirements

It summarises the implementation of environmental protection measures during the reporting period.

 

Section 5 :  Monitoring Results

It summarises the monitoring results obtained in the reporting period.

 

Section 6 :  Environmental Site Inspection

It summarises the audit findings of the weekly site inspections undertaken within the reporting period.


Section 7 :  Environmental Non-conformance

It summarises any monitoring exceedance, environmental complaints and summons within the reporting period.

 

Section 8 :  Conclusions

 

2                        Project Information

2.1                  Background

The scope of the Project involves the phased construction and operation of up to two additional combined cycle gas turbine (CCGT) units (with an installed capacity of up to 600 MW each) at the BPPS.  The additional generation units will be of CCGT configuration using natural gas as the primary fuel.  It is a Designated Project under the Environmental Impact Assessment Ordinance (Cap. 499) (EIAO).  The current EM&A Programme only includes the CCGT Unit No. 1.

An EIA of the Additional Gas-fired Generation Units Project was prepared in accordance with the EIA Study Brief (No. ESB-286/2015) and the Technical Memorandum of the Environmental Impact Assessment Process (EIAO-TM) and submitted under the EIAO in February 2010.  Subsequent to the approval of the EIA (EIAO Register Number AEIAR-197/2016), an Environmental Permit (EP-507/2016) (EP) for CCGT Unit No. 1 was granted by the Director of Environmental Protection (DEP) on 14 June 2016.  A Further Environmental Permit (FEP-01/507/2016) (FEP) was granted to the Contractor, Chun Wo Foundations Limited, of the CCGT Unit No. 1 on 9 December 2016.  An Application for Variation of an Environmental Permit (No. VEP-531/2017) was submitted to EPD on 28 July 2017 and the Variation of Environmental Permit (No. EP-507/2016/A) was granted on 21 August 2017.  A FEP (FEP-02/507/2016/A) was granted to the Contractor, Leighton Contractors (Asia) Limited, of the CCGT Unit No. 1 on 13 September 2017.

2.2                  General Site Description 

The proposed location for the Project is within the existing boundaries of the BPPS site.  The size of the land reserved for the additional generation units and the associated facilities (the Project Site) is about 40,000 m2.  Construction works for CCGT Unit No. 1 is currently ongoing at the Project Site.

The location plan of key Project components for CCGT Unit No.1 is shown in Annex A.

2.3                  Construction Programme and Activities

A summary of the major construction activities undertaken in this reporting period is shown in Table 2.1.  The construction programme is presented in Annex B.

Table 2.1        Summary of the Construction Activities Undertaken during the Reporting Period

Construction Activities undertaken

l   Excavation and lateral support for drainage works;

l   Modification of existing fire hydrant;

l   Manhole construction;

l   Firefighting pipe modification;

l   Installation of E&M service and building service in new site office;

l   Traffic barrier construction;

l   Installation of LVSB at EL room;

l   Construction of TX room;

l   Site establishment;

l   Foundation and substructure works at Power Island; and

l   Shaft construction works for water cooling system.

2.4                  Project Organisation

The project organizational chart and contact details are shown in Annex C.

2.5                  Status of Environmental Licences, Notification and Permits

A summary of the valid permits, licences, and/or notifications on environmental protection for this Project during the reporting period is presented in Table 2.2.

Table 2.2        Summary of the Status of Valid Environmental Licence, Notification, Permit and Documentations

Permit/ Licences/ Notification

Reference

Validity Period

Remarks

Environmental Permit

 

EP-507/2016

Throughout the Contract

Permit granted on 14 Jun 2016

Variation of Environmental Permit

EP-507/2016/A

Throughout the Contract

Permit granted on 21 Aug 2017

Further Environmental Permit

 

FEP-01/507/2016

Throughout the Contract

Permit granted on 9 Dec 2016

Further Environmental Permit

FEP-02/507/2016/A

Throughout the Contract

Permit granted on 13 Sep 2017

Notification Pursuant to Section 3(1) of the Air  Pollution Control (Construction Dust) Regulation

410023

Throughout the Contract

Notification received on 15 Nov 2016

 

417935

Throughout the Contract

Notification received on 14 Jun 2017

 

417676

Throughout the Contract

Notification received on 8 Jun 2017

Wastewater Discharge Licence

WT00026627-2016

To 31 Jan 2022

Cancelled on 1 Oct 2017

 

WT00028829-2017

To 31 Oct 2022

Licence granted on 25 Oct 2017

Chemical Waste Producer Registration

5213-432-C3243-13

Throughout the Contract

Registration approved on 9 Jan 2017

 

5211-432-L2954-02

Throughout the Contract

Registration approved on 4 Jul 2017

Billing Account for Disposal of Construction Waste

7026814

Throughout the Contract

Approved on 30 Dec 2016

 

7028155

Throughout the contract

Approved on 23 Jun 2017

 

7028380

Throughout the contract

Approved on 26 Jul 2017

Construction Noise Permit

GW-RW0358-17

1 Aug 2017 ¡V 31 Jan 2018

Cancelled on 28 Sep 2017

GW-RW0493-17

28 Sep 2017 ¡V 27 Mar 2018

Permit granted on 15 Sep 2017

 

GW-RW0347-17

24 Jul 2017 - 30 Nov 2017

Cancelled on 4 Oct 2017

 

GW-RW0511-17

4 Oct 2017 ¡V 31 Jan 2018

Cancelled on 28 Nov 2017

 

GW-RW0616-17

28 Nov 2017 ¡V 28 Feb 2018

Permit granted on 24 Nov 2017

 

3                        Environmental Monitoring Requirement

3.1                  Water Quality Monitoring

In accordance with the EM&A Manual, monitoring works is required at a frequency of once per week on first year of commissioning of the CCGT Unit No.1.  The monitoring details including monitoring requirement, locations of monitoring stations will be confirmed and approved by EPD before commissioning of the CCGT Unit No.1.

 

 

4                        Implementation Status of The environmental protection requirements

The Contractors have implemented all the environmental mitigation measures and requirements as stated in the EIA Report, Environmental Permit (EP) and EM&A Manual for the installation of CCGT Unit No.1.  The mitigation measures recommended in the EIA report and required by the EP are considered effective in minimising environmental impacts.  The implementation status of the environmental mitigation measures for this Project during the reporting period is summarised in Annex D.  

The status of the required submissions under the EP for the Project during the reporting period is presented in Table 4.1. 

Table 4.1        Status of Required Submissions under the Project

EP Condition

Submission

Submission Date

Sections 15.1 & 15.5 of EM&A Manual

(AEIAR-197/2016)

3rd Quarterly EM&A Report

14 September 2017

Condition 3.2 under Environmental Permit No. EP-507/2016/A and FEP-02/507/2016/A.

9th Monthly EM&A Report

14 September 2017

10th Monthly EM&A Report

13 October 2017

11th Monthly EM&A Report

10 November 2017

 

5                        Monitoring Results

5.1                  Waste Management

The waste generated from this Project includes inert construction and demolition (C&D) materials, and non-inert C&D materials.  Non-inert C&D materials are made up of general refuse and recyclable wastes such as plastics and paper/cardboard packaging waste.  Steel materials generated from the project are also grouped into non-inert C&D materials as the materials were not disposed of with other inert C&D materials. 

With reference to relevant handling records and trip tickets of this Project, the quantities of different types of waste generated in the reporting period are summarised in Table 5.1.  Details of waste management data are presented in Annex E.

Table 5.1    Quantities of Waste Generated from the Project

Reporting Month

Quantity

Inert C&D Materials (a) (b)

Chemical Waste (d)

Non-inert C&D Materials

General Refuse (c)

Recycled materials

Paper/cardboard

Plastics

Metals

 

in '000m3

in '000 kg

in '000m3

in '000 kg

in '000 kg

in '000 kg

September 2017

1.339

0.020

0.049

0

0

37.670

October 2017

0.988

0

0.041

0

0.747

42.620

November 2017

0.263

0

0.016

0

0

0

Total

2.590

0.020

0.106

0

0.747

80.290

Notes:

(a)      Inert C&D materials include bricks, concrete, building debris, rubble and excavated spoil. 

(b)      The inert C&D materials generated from the Project was sent to Tuen Mun Area 38 Fill Bank during the reporting period.

(c)      General refuse generated from the Project was sent to WENT landfill during the reporting period.

(d)      Chemical waste includes waste oil.  It is assumed density of waste oil to be 0.8 kg/L.

The estimated amount of waste generated from the Project predicted by EIA Report and the actual cumulative quantities of waste generated from the construction phase of the Project during the reporting period are presented in Table 5.2.  Mitigation measures recommended in EIA Report were implemented by the Contractor as far as practicable and were considered effective in reducing the total quantity of wastes generated during the reporting period.

Table 5.2        Comparison of Estimated Amount of Waste Generated for Construction of CCGT Unit No.1 and Actual Amount Generated during the Reporting Period

Type of Material

Estimated Amount for Project  

Actual Amount during Reporting Period

Total Amount of Inert C&D Materials disposed as Public Fill (a) (in '000m3)

80.96

2.590

Amount of Inert C&D Materials Reused in the Contract (in '000m3)

8.89

0

Amount of Inert C&D Materials Reused in Other Projects (in '000m3)

-

0

Total Amount of Non-Inert C&D Materials and General Refuse disposed at WENT Landfill (b)
(
in '000m3)

1.526

0.106

Chemical Waste (c)
(in ''000kg)

10.20

0.020

Notes:

(a)      Inert C&D materials include site clearance waste, excavated materials, building works generated from construction of CCGT Unit No.1 for the entire project.   

(b)      Non-inert C&D materials include site clearance waste, excavated materials, building works generated from construction period of CCGT Unit No.1 for the entire project. The amount of general refuse was estimated 780 kg per day for construction of CCGT Unit No.1. There are 76 working days in the reporting period.

(c)      The total amount of chemical waste was estimated 3,400 kg per month. There are 3 months in the reporting period.

 

6                        Environmental Site Inspection

Joint weekly site inspections were conducted by representatives of the Contractors, CAPCO Project Team and ET on 7, 14, 21 and 28 September; 6, 12, 19 and 26 October; and 2, 10, 17, 23 and 30 November 2017.  The representative of the IEC joined the site inspections on 21 September, 19 October and 17 November 2017.  No non-compliance was recorded during the site inspections.

Findings and recommendations for the site inspections in this reporting period are summarised as follows:

7 September 2017

The Contractor (Chun Wo) was reminded to:

¡P      pave the road section between the vehicle-wash area and the vehicular exit of the site office works area; and

¡P      direct the untreated surface water back to the site.

The Contractor (Leighton) was reminded to:

¡P      spray the area where dusty work takes place with water during the dusty activities;

¡P      install sufficient sprinklers for the general works area, especially along the haul roads and at the exposed areas; and

¡P      direct the untreated surface water back to the site.

14 September 2017

The Contractor (Leighton) was reminded to install sufficient sprinklers for the general works area, especially along the haul roads and at the exposed areas.

21 September 2017

The Contractor (Leighton) was reminded to:

¡P      spray the area where dusty work takes place with water during the dusty activities;

¡P      provide wheel washing facilities at the exits of storage areas Area 4 and Area 5; and

¡P      set up some water storage tanks for watering purpose.

Regarding the planter audit, CAPCO was recommended to:

¡P      enhance the watering regime for the planters;

¡P      conduct regular checking and maintenance on the watering system; and

¡P      conduct close monitoring for PT945.

28 September 2017

The Contractor (Leighton) was reminded to:

¡P      spray the area where dusty work takes place with water during the dusty activities;

¡P      set up some water storage tanks for watering purpose;

¡P      install more sprinklers at the works area near the Chun Wo containers.

¡P      provide wheel washing facilities at the exit of storage areas Area 4 and Area 5; and

¡P      provide dust suppression measure at storage area Area 4 and cover the fencing with tarpaulin around the boundary.

6 October 2017

The Contractor (Leighton) was reminded to:

¡P      spray the exposed areas with water regularly;

¡P      install more sprinklers to cover more works area, such as the works area near the Chun Wo containers;

¡P      allocate sufficient resources for the wheels washing works at the storage areas Area 4 and Area 5; and

¡P      keep the haul roads clear of dusty materials.

12 October 2017

The Contractor (Leighton) was reminded to:

¡P      provide impervious sheet to cover the materials during transport and not to load the materials to a level higher than the side and tail boards;

¡P      spray the dusty materials with water during loading;

¡P      conduct regular maintenance of construction equipment deployed on-site; and

¡P      ensure sufficient water is provided for watering activities.

19 October 2017

The Contractor (Leighton) was reminded to:

¡P      keep the haul roads clear of dusty materials;

¡P      cover the stockpiles at the Storage Area 5 entirely with impervious sheets; and

¡P      spray the exposed area manually before the new water pipes are set up.

Regarding the planter audit, CAPCO was recommended to:

¡P      carry out weeding and remove the exotic species Leucaena leucocephala from the planters; and

¡P      conduct close monitoring for BPT945.

26 October 2017

The Contractor (Leighton) was reminded to lower the water level or increase the capacity of the wheel wash basin.

2 November 2017

The Contractor (Leighton) was reminded to:

¡P      provide wheel washing facility at the exit of the Storage Area 4A; and

¡P      keep the hauls roads outside the Power Island works area, Storage Areas 4A and 5 clear of dusty materials and maintain the wheel wash basin with the deposited silt and grit being removed regularly.

10 November 2017

The Contractor (Leighton) was reminded to provide impervious sheet to cover the materials during transport.

17 November 2017

The Contractor (Leighton) was reminded to:

¡P      open the gate of Storage Area 4A only for a particular type of vehicles when necessary; and to designate a worker for wheel washing when the gate is open;

¡P      cover the temporary stockpiles of dusty materials entirely at the Power Island works area;

¡P      keep the haul roads between the Power Island works area and Storage Areas 4A and 5 clear of dusty materials; and

¡P      maintain good housekeeping at the Storage Area 4A and provide enclosed bins for storage of general refuse.

Regarding the planter audit, CAPCO was recommended to:

¡P      replace BPT774 after construction period;

¡P      remove the fallen tree trunk of BPT786; and

¡P      conduct close monitoring for BPT945.

23 November 2017

The Contractor (Leighton) was reminded to:

¡P      remove the oil stain at the Storage Area 4A and handle the clean up materials as chemical waste; and

¡P      replace the dusty geotextile of the gully outside Storage Area 5.

30 November 2017

The Contractor (Leighton) was reminded to keep the chemical waste storage area secured and locked at all times.

All follow-up actions requested by ET and IEC during the site inspections were undertaken as reported by CAPCO and the Contractors.  The abovementioned environmental issues had been addressed and mitigated during the reporting period.

 

7                        Environmental Non-conformance

7.1                  Summary of Monitoring Exceedance

No environmental monitoring is required during construction of CCGT Unit No. 1.

7.2                  Summary of environmental non-compliance

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

7.3                  Summary of Environmental Complaint

No environmental complaint was received during the reporting period.

7.4                  Summary of Environmental Summon and successful prosecution

No summon or prosecution was received during the reporting period.

 

8                        Conclusions

This fourth quarterly Environmental Monitoring and Audit (EM&A) Report presents the EM&A works undertaken during the period from 1 September 2017 to 30 November 2017 in accordance with the EM&A Manual and the requirements of EP-507/2016, EP-507/2016/A, FEP-01/507/2016 and FEP-02/507/2016/A.

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

No environmental complaint, summon or prosecution was received during the reporting period.

The Contractors have implemented possible and feasible mitigation measures to mitigate the potential environmental impacts during construction.  The ET will continue to keep track of the EM&A programme to ensure compliance of environmental requirements and the effectiveness and efficiency of the mitigation measures implemented.  If necessary, the Contractors will provide more mitigation measures to further alleviate the impacts.