Job No.: TCS00975/18

 

 

 

 

 

 

 

 

 

CEDD Contract Agreement No. EDO/04/2018 -

Environmental Team for Cross Bay Link, Tseung Kwan O

 

 

 

 

 

 

 

 

 

Monthly Environmental Monitoring & Auditing Report of the Project – August 2019

 

 

 

 

 

 

 

 

Prepared For

 

 

 

 

Civil Engineering and Development Department (CEDD)

 

 

 

 

 

 

 

 

 

 

 

Date

Reference No.

Prepared By

Certified By

10 September 2019

TCS00975/18/600/R0249v2

My signature

Martin Li

(Environmental Consultant)

Tam Tak Wing

(Environmental Team Leader)

 

Version

Date

Remarks

1

9 September 2019

First Submission

2

10 September 2019

Amended against IEC’s comments

 

 

 

 

 

 

 

 

 


 

 

 

 

 

 

executive summary

ES01            Civil Engineering and Development Department (hereafter referred as “CEDD”) is the Project Proponent and the Permit Holder of the Project Cross Bay Link, Tseung Kwan O (hereinafter referred as “the Project”) which is a Designated Project to be implemented under Environmental Permit number EP-459/2013 (hereinafter referred as “the EP-459/2013” or “the EP”).

 

ES02            AUES was awarded the CEDD Contract Agreement No. EDO/04/2018 - Environmental Team for Cross Bay Link, Tseung Kwan O (hereinafter called “the Service Contract”). The Services under the Service Contract is to provide environmental monitoring and audit (EM&A) services for the Works Contracts pursuant to the requirement of Environmental Team (ET) under the Approved EM&A Manual to ensure that the environmental performance of the Works Contracts comply with the requirement specified in the EM&A Manual and EIA Report of Agreement No. CE 43/2008 (HY) Cross Bay Link, Tseung Kwan O - Investigation and other relevant statutory requirements.

 

ES03            To facilitate management, the proposed Works of the project was divided into two Civil Engineering and Development Department (CEDD) Works contracts included Contract 1 (Contract No. NE/2017/07) and Contract 2 (Contract No. NE/2017/08). The date for commencement of Contract 1 was 3rd December 2018 while the date for commencement of Contract 2 was 17th January 2019.

 

ES04            According to the Approved Environmental Monitoring & Audit (EM&A) Manual, air quality, noise and water quality monitoring are required to be conducted during the construction phase of the Project.  As part of the EM&A programme, baseline monitoring shall undertake before the Project construction work commencement to determine the ambient environment condition. The baseline air quality, background noise and water quality monitoring has been carried out between 21st September 2018 and 13th November 2018 at the designated and interim locations.  The baseline monitoring report under the EP-459/2013 has been compiled by the ET and verified by Independent Environmental Checker (hereinafter the “IEC’) prior submitted to EPD on 19th November 2018 for endorsement.

 

ES05            This is the 9th Monthly EM&A report presenting the monitoring results and inspection findings for the reporting period from 1st to 31th August 2019 (hereinafter ‘the Reporting Period’).

 

Construction works conducted at the reporting month

ES06            The major construction activities of Contract 1 (Contract No. NE/2017/07) undertaken in this Reporting Period are:-

Ÿ  Piling works at Portion II

Ÿ  Welding of steel bracket for precast shell installation at Portion II

Ÿ  Precast shell fabrication at Portion II

 

ES07            The major construction activities of Contract 2 (Contract No. NE/2017/08) undertaken in this Reporting Period are:-

Ÿ  Trial Pit Work at Portion VI

Ÿ  Pre-drill Work at Portion VI

Ÿ  Bored Pile Work at Portion III, VI & VII

Ÿ  Excavation Work at Portion VI

Ÿ  Pre-bored socket H pile at Portion VI

 

Environmental Monitoring and Audit Activities

ES08            Environmental monitoring activities under the EM&A program in this Reporting Period are summarized in the following table.  


 

Table ES-4    Summary Environmental Monitoring Activities Undertaken in the Reporting Period

Issues

Environmental Monitoring Parameters / Inspection

Sessions

Air Quality

1-Hour TSP

18

24-Hr TSP

6

Construction Noise

Leq (30min) Daytime

4

Leq (15min) Evening

5

Water Quality

Marine Water Sampling(Note 1)

13

Inspection / Audit

Contract 1

ET Regular Environmental Site Inspection

5

Joint site audit with Project Consultant and IEC

1

Contract 2

ET Regular Environmental Site Inspection

5

Joint site audit with Project Consultant and IEC

1

Note 1     Total sessions are counted by monitoring days

 

Breach of Action and Limit (A/L) Levels

ES09            No air quality monitoring exceedance was recorded in this Reporting Period. No daytime construction noise monitoring exceedance was recorded while five (5) evening additional construction noise monitoring exceedances were recorded in this Reporting Period. For marine water quality monitoring, one (1) Action Level exceedances for the parameter Suspended Solid were recorded in the reporting period. NOEs were issued to notify EPD, IEC, the Contractor and the Project Consultant. The statistics of environmental exceedance and investigation of exceedance are summarized in the following table.

Table ES-5    Summary Environmental Monitoring Parameter Exceedance in the Reporting Period

Environmental Issues

Monitoring Parameters

Action Level

Limit Level

Event & Action

Investigation Results

Corrective Actions

Air Quality

1-Hour TSP

0

0

--

--

24-Hr TSP

0

0

--

--

Construction Noise

Leq30min Daytime

0

0

--

--

Leq15min Evening

0

5

Not project related

NA

Water Quality (Marine Water)

DO

0

0

--

--

Turbidity

0

0

--

--

SS

1

0

Refer to ES.11

Refer to ES.11

 

ES10            For the evening construction noise monitoring exceedances recorded in the reporting period, investigations were carried out and it was considered that the exceedances recorded are unlikely caused by the Project.

 

ES11            For the marine water quality exceedance recorded on 30 August 2019, investigation is underway by ET and the investigation result will be presented in next Monthly EM&A Report.

 

Environmental Complaint            

ES12            No environmental complaint was recorded in this Reporting Period for the Project.  The statistics of environmental complaint are summarized in the following table.

Table ES-6    Summary Environmental Complaint Records in the Reporting Period

Reporting Period

Contract

Environmental Complaint Statistics

Related with the Works Contract(s)

Frequency

Cumulative

Complaint Nature

1 – 31 August 2019

1

0

1

NA

NA

2

0

0

NA

NA

Notification of Summons and Successful Prosecutions

ES13            No environmental summons or prosecutions was received in this Reporting Period for the Project.  The statistics of environmental summons or prosecutions are summarized in the following tables.

Table ES-7    Summary Environmental Summons Records in the Reporting Period

Reporting Period

Contract

Environmental Summons Statistics

Related with the Works Contract(s)

Frequency

Cumulative

Complaint Nature

1 – 31 August 2019

1

0

0

NA

NA

2

0

0

NA

NA

 

Table ES-8    Summary Environmental Prosecutions Records in the Reporting Period

Reporting Period

Contract

Environmental Prosecution Statistics

Related with the Works Contract(s)

Frequency

Cumulative

Complaint Nature

1 – 31 August 2019

1

0

0

NA

NA

2

0

0

NA

NA

 

Reporting Change

ES14            There is no reporting change made for this monthly report.

 

Site Inspection by External Parties

ES15            No site inspection was undertaken by AFCD and EPD within the Reporting Period.

 

Future Key Issues

ES16            Due to wet season has approached, the Contractor was reminded that all the works to undertaking must be fulfill environmental statutory requirement, especially water quality mitigation measures to prevent surface runoff into nearby water bodies or public areas.

 

ES17            In regards to the marine works, special attention should be paid on excavation works for the bridge pier foundations underway in which water quality mitigation measures such as erection of silt curtain should be properly implemented and maintained.

 

 

 

 


Table of Contents

1.    Introduction   3

1.1            Project Background   3

1.2            Report Structure  3

2.    Project Organization and Construction progress and Submission   5

2.1            Project Organization   5

2.2            Construction Progress  6

2.3            Summary of Environmental Submissions  7

3.    Summary of Environmental Monitoring Programmes and Requirements  9

3.1            General  9

3.2            Monitoring Parameters  9

3.3            Monitoring Locations  9

3.4            Monitoring Frequency and Period   10

3.5            Monitoring Equipment  11

3.6            Monitoring Procedures  12

3.7            Determination of Action/Limit (A/L) Levels  15

3.8            Data Management and Data QA/QC Control  17

4.    Air Quality Monitoring   18

4.1            General  18

4.2            Results of Air Quality Monitoring in the Reporting Month   18

5.    Construction Noise Monitoring   19

5.1            General  19

5.2            Results of Noise Monitoring   19

6.    Water Quality Monitoring   20

6.1            General  20

6.2            Results of Water quality Monitoring   20

7.    Waste Management   25

7.1            General Waste Management  25

7.2            Records of Waste Quantities  25

8.    Site Inspection   26

8.1            Requirements  26

8.2            Findings / Deficiencies During the Reporting Month   26

9.    Landfill Gas Monitoring   27

9.1            General Requirement  28

9.2            Limit Levels and Event and Action Plan   28

9.3            Landfill Gas Monitoring   28

10.  Environmental Complaint and Non-Compliance   29

10.1          Environmental Complaint, Summons and Prosecution   29

11.  Implementation Status of Mitigation Measures  30

11.1          General Requirements  30

11.2          Tentative Construction Activities in the Coming Month   30

11.3          Impact Forecast  31

12.  Conclusions and Recommendations  32

12.1          Conclusions  32

12.2          Recommendations  32

 

 

 


List of TABLES

Table 2-1           Documents Submission under Environmental Permit Requirement

Table 2-2           Status of Environmental Licenses and Permits of the Project Works (Contract 1)

Table 2-3          Status of Environmental Licenses and Permits of the Project Works (Contract 2)

Table 3-1           Summary of EM&A Requirements

Table 3-2           Designated Air Quality Monitoring Location recommended in EM&A Manual

Table 3-3           Designated Construction Noise Monitoring Location recommended in EM&A Manual

Table 3-4           Interim alternative location for air quality and noise monitoring

Table 3-5           Location of Water Quality Monitoring Station

Table 3-6           Air Quality Monitoring Equipment

Table 3-7           Construction Noise Monitoring Equipment

Table 3-8           Water Monitoring Equipment

Table 3-9           Testing Method and Reporting Limit of the Chemical Analysis

Table 3-10         Action and Limit Levels for Air Quality

Table 3-11         Action and Limit Levels for Construction Noise

Table 3-12         Action and Limit Levels for Water Quality

Table 4-1           1-Hour and 24-Hour TSP Air Quality Impact Monitoring results

Table 5-1           Construction Noise Impact Monitoring results

Table 5-2           Evening Construction Noise Impact Monitoring Results

Table 6-1           Result Summary of Depth Average (Surface & Middle Layer) of DO (mg/L)

Table 6-2           Result Summary of Bottom Depth of DO (mg/L)

Table 6-3           Result Summary of Depth Average of Turbidity (NTU)

Table 6-4           Result Summary of Depth Average of Suspended Solid (mg/L)

Table 6-5           Result Summary of Depth Average of Temperature (°C)

Table 6-6           Result Summary of Depth Average of Salinity (ppt)

Table 6-7           Result Summary of Depth Average of pH

Table 6-8           Summary of Water Quality Exceedance

Table 7-1           Summary of Quantities of Inert C&D Materials

Table 7-2           Summary of Quantities of C&D Wastes

Table 8-1           Site Observations of Contract 1

Table 8-2           Site Observations of Contract 1

Table 9-1           Actions in the Event of Landfill Gas Being Detected in Excavations

Table 10-1         Statistical Summary of Environmental Complaints

Table 10-2         Statistical Summary of Environmental Summons

Table 10-3         Statistical Summary of Environmental Prosecution

Table 11-1         Environmental Mitigation Measures in the Reporting Month

 

List of Appendices

Appendix A       Project Layout Plan

Appendix B       Project Organization Chart & Contact Details of Key Personnel

Appendix C       3-Month Rolling Construction Program

Appendix D       Monitoring Location (Air Quality, Noise and Water Quality)

Appendix E       Event and Action Plan

Appendix F       Impact Monitoring Schedule of the Reporting Month and Coming Month

Appendix G       Calibration Certificates of Equipment and the Accreditation Laboratory Certificate

Appendix H      Database of Monitoring Results

Appendix I        Graphical plots of Monitoring Results

Appendix J        Meteorological Data

Appendix K       Waste Flow Table

Appendix L       Implementation Record of Water Mitigation Measures in the Reporting Month

Appendix M      Implementation Schedule for Environmental Mitigation Measures (ISEMM)

 

1.                       Introduction

1.1                   Project Background

 

1.1.1             Civil Engineering and Development Department (hereafter referred as “CEDD”) is the Project Proponent and the Permit Holder of the Project Cross Bay Link, Tseung Kwan O (hereinafter referred as “the Project”) which is a Designated Project to be implemented under Environmental Permit number EP-459/2013 (hereinafter referred as “the EP-459/2013” or “the EP”).

 

1.1.2             AUES was awarded the CEDD Contract Agreement No. EDO/04/2018 - Environmental Team for Cross Bay Link, Tseung Kwan O (hereinafter called “the Service Contract”). The Services under the Service Contract is to provide environmental monitoring and audit (EM&A) services for the Works Contracts pursuant to the requirement of Environmental Team (ET) under the Approved EM&A Manual to ensure that the environmental performance of the Works Contracts comply with the requirement specified in the EM&A Manual and EIA Report of Agreement No. CE 43/2008 (HY) Cross Bay Link, Tseung Kwan O - Investigation and other relevant statutory requirements.

 

1.1.3             To facilitate management, the proposed Works of Cross Bay Link, Tseung Kwan O (hereinafter called “the Project’) was divided into two Civil Engineering and Development Department (CEDD) Works contracts included Contract 1 (Contract No. NE/2017/07) and Contract 2 (Contract No. NE/2017/08). The details of each contract Works are summarized below and the delineation of each contract is shown in Appendix A.

Contract 1 (Contract No. NE/2017/07)

(i)            400m section of marine viaducts of steel deck sections including the Eternal Arch Bridge;

(ii)          600m section of marine viaducts of concrete deck sections;

(iii)        An E&M Plantroom and associated building services; and

(iv)        E&M provisions.

Contract 2 (Contract No. NE/2017/08)

(i)            Elevated deck structures along Road D9;

(ii)          A 210m section of cycle track and footpath ramp bridge;

(iii)        A 630m section of noise semi-enclosure covering the entire length of Road D9, and;

(iv)        Lift, staircase, modification of existing seawall along Road D9, landscaping and miscellaneous works.

 

1.1.4             The date for commencement of Contract 1 is 3rd December 2018 while the date for commencement of Contract 2 is 17th January 2019.

 

1.1.5             As part of the EM&A programme, baseline monitoring shall be undertaken before the Project construction work commencement to determine the ambient environmental condition. The baseline air quality, background noise and water quality monitoring has been carried out between 21st September 2018 and 13th November 2018 at the designated and interim locations.  The baseline monitoring report under the EP-459/2013 has been compiled by the ET and verified by Independent Environmental Checker (hereinafter the “IEC’) prior submitted to EPD on 19th November 2018 for endorsement.

 

1.1.6             This is the 9th Monthly EM&A report presenting the monitoring results and inspection findings for the reporting period from 1st to 31th August 2019 (hereinafter ‘the Reporting Period’).

 

1.2                   Report Structure

1.2.1             The Environmental Monitoring and Audit (EM&A) Monthly Report is structured into the following sections:-

Section 1

Introduction

Section 2

Project Organization and Construction Progress

Section 3

Summary of Impact Monitoring Requirements

Section 4

Air Quality Monitoring

Section 5

Construction Noise Monitoring

Section 6

Water Quality Monitoring

Section 7

Waste Management

Section 8

Site Inspections

Section 9

Landfill Gas Monitoring

Section 10

Environmental Complaints and Non-Compliance

Section 11

Implementation Status of Mitigation Measures

Section 12

Conclusions and Recommendations

 


2.                       Project Organization and Construction progress and Submission

2.1                   Project Organization

2.1.1             The project organization is shown in Appendix B.  The responsibilities of respective parties are:

 

The Project Consultant

2.1.2             The Project Consultant (hereinafter “the Consultant”) is responsible for overseeing the construction works and for ensuring that the works are undertaken by the Contractor in accordance with the specification and contract requirements. The duties and responsibilities of the Consultant with respect to EM&A are:

·                Monitor the Contractors’ compliance with contract specifications, including the implementation and operation of the environmental mitigation measures and their effectiveness

·                Monitor Contractors’, ET’s and IEC’s compliance with the requirements in the Environmental Permit (EP) and EM&A Manual

·                Facilitate ET’s implementation of the EM&A programme

·                Participate in joint site inspection by the ET and IEC

·                Oversee the implementation of the agreed Event / Action Plan in the event of any exceedance

·                Adhere to the procedures for carrying out complaint investigation

 

The Contractor(s) of Works Contract(s)

2.1.3                 There will be one contractor for each individual works contract.  The Contractor(s) should report to the Consultant.  The duties and responsibilities of the Contractor are:

·           Comply with the relevant contract conditions and specifications on environmental protection

·           Participate in the site inspections by the ET and IEC, and undertake any corrective actions

·           Provide information / advice to the ET regarding works programme and activities which may contribute to the generation of adverse environmental impacts

·           Submit proposals on mitigation measures in case of exceedances of Action and Limit levels in accordance with the Event / Action Plans

·           Implement measures to reduce impact where Action and Limit levels are exceeded

·           Adhere to the procedures for carrying out complaint investigation

 

Environmental Team (ET)

2.1.4                 ET shall not be in any way an associated body of the Contractor(s) and employed by the Permit Holder (i.e., CEDD) to conduct the EM&A programme.  The ET should be managed by the ET Leader. The ET Leader shall be a person who has at least 7 years’ experience in EM&A and has relevant professional qualifications. Suitable qualified staff should be included in the ET, and resources for the implementation of the EM&A programme should be allocated in time under the Contract(s), to enable fulfillment of the Project’s EM&A requirements as specified in the EM&A Manual during construction of the Project.  ET shall report to the Project Proponent and the duties shall include:

·           Conduct baseline monitoring, impact monitoring and post-construction monitoring and the associated in-situ and laboratory tests to monitor various environmental parameters as required in the EM&A Manual and the EP

·           Analyze the environmental monitoring and audit data, review the success of EM&A programme and the adequacy of mitigation measures implemented, confirm the validity of the EIA predictions and identify any adverse environmental impacts arising

·           Carry out regular site inspection to investigate and audit the Contractors’ site practice, equipment/plant and work methodologies with respect to pollution control and environmental mitigation, and effect proactive action to pre-empt problems

·           Monitor compliance with conditions in the EP, environmental protection, pollution prevention and control regulations and contract specifications

·           Audit environmental conditions on site

·           Report on the environmental monitoring and audit results to EPD, the Consultant, the IEC and Contractor(s) or their delegated representatives

·           Recommend suitable mitigation measures to the Contractor in the case of exceedance of Action and Limit levels in accordance with the Event and Action Plans

·           Liaise with the IEC on all environmental performance matters and timely submit all relevant EM&A proforma for approval by IEC

·           Advise the Contractor(s) on environmental improvement, awareness, enhancement measures etc., on site

·           Adhere to the procedures for carrying out complaint investigation

·           Set up a dedicated web site where the project information, all environmental monitoring and audit data and reports described in Condition 5.2 of the EP, and all finalized submissions and plans required under the EP are to be placed for public inspection

·           Upload the environmental monitoring results to the dedicated web site in accordance with requirements of the EP and EM&A Manual

·           To carry out the Operational Phase Landfill Gas monitoring during effluent drainage system maintenance for one year

 

Independent Environmental Checker (IEC)

2.1.5                 IEC will be employed for this Project.  The Independent Environmental Checker (IEC) should not be in any way an associated body of the Contractor(s) or the ET for the Project.  The IEC should be employed by the Permit Holder (i.e., CEDD) prior to the commencement of the construction of the Project.  The IEC should have at least 7 years’ experience in EM&A and have relevant professional qualifications.  The duty of IEC should be:

·           Provide proactive advice to the Project Consultant and the Project Proponent on EM&A matters related to the project, independent from the management of construction works, but empowered to audit the environmental performance of construction

·           Review and audit all aspects of the EM&A programme implemented by the ET

·           Review and verify the monitoring data and all submissions in connection with the EP and EM&A Manual submitted by the ET

·           Arrange and conduct regular, at least monthly site inspections of the works during construction phase, and ad hoc inspections if significant environmental problems are identified

·           Check compliance with the agreed Event / Action Plan in the event of any exceedance

·           Check compliance with the procedures for carrying out complaint investigation

·           Check the effectiveness of corrective measures

·           Feedback audit results to ET by signing off relevant EM&A proforma

·           Check that the mitigation measures are effectively implemented

·           Report the works conducted, the findings, recommendation and improvement of the site inspections, after reviewing ET’s and Contractor’s works, and advices to the Project Consultant and Project Proponent on a monthly basis

 

2.2                   Construction Progress

2.2.1             3-month rolling construction program of the each Works Contract is enclosed in Appendix C; and the major construction activities undertaken in the Reporting Period is presented in below sub-sections.

Contract 1 (Contract No. NE/2017/07)

2.2.2             The major construction activities of Contract 1 undertaken in this Reporting Period are:-

Ÿ  Piling works at Portion II

Ÿ  Welding of steel bracket for precast shell installation at Portion II

Ÿ  Precast shell fabrication at Portion II

Contract 2 (Contract No. NE/2017/08)

2.2.3             The major construction activities of Contract 2 undertaken in this Reporting Period are:-

Ÿ  Trial Pit Work at Portion VI

Ÿ  Pre-drill Work at Portion VI

Ÿ  Bored Pile Work at Portion III, VI & VII

Ÿ  Excavation Work at Portion VI

Ÿ  Pre-bored socket H pile at Portion VI

 

2.3                   Summary of Environmental Submissions

2.3.1             The required documents list below shall be to submit to EPD for retention:

Table 2-1      Documents Submission under Environmental Permit Requirement

EP condition

Submission to EPD

Requirement

Situation

1.11

Commencement date of construction of the Project

no later than 1 month prior to the commencement of construction of the Project

Ÿ  Contract 1 notified EPD on 19 Oct 2018

Ÿ  Contract 2 notified EPD on 12 Dec 2018

2.3

The date of setting up the Community Liaison Group (CLG), the membership, the terms of reference and the contact details

At least 1 month before the commencement of construction of the Project

Ÿ  CLG setting has submitted to EPD  on 9 Oct 2018

 

2.4

Management Organization of Main Construction Companies

No later than 2 weeks before the commencement of construction of the Project

Ÿ  Management Organization of Contract 1 was submitted to EPD on 2 October 2018

Ÿ  Management Organization of Contract 2 was submitted to EPD on 12 December 2018

2.5

Waste Management Plan (WMP)

No later than 1 month before commencement of construction of the Project

Ÿ  WMP of Contract 1 was submitted to EPD in 11 October 2018

Ÿ  WMP of Contract 2 was submitted to EPD in 14 December 2018

2.6

Landscape Mitigation Plan (LSMP)

No later than 1 month before commencement of construction of the Project

Ÿ  LSMP was submitted on 1 Nov 2018

2.7

Detailed Qualitative Landfill Gas Hazards Assessment (QLGHA)

No later than 1 month before commencement of construction of the Project

Ÿ  QLGHA of the Project was submitted to EPD on 1 November 2018

 

2.3.2             Upon completed baseline monitoring, a Baseline Monitoring Report was verified by IEC on 19 November 2018 and submitted to EPD on that day for endorsement.

 

2.3.3             The notification of Project dedicated web site to EPD was made on 9 January 2019 (http://www.envcbltko.hk/).

 

2.3.4             Summary of the relevant permits, licenses, and/or notifications on environmental protection for the Project are presented in Table 2-2.

Table 2-2 Status of Environmental Licenses and Permits of the Project Works (Contract 1)

Item

Description

License/Permit Status

Permit no./ Account no./ Ref. no.

Valid Period

Status

From

To

1

Notification pursuant to Air pollution Control (Construction Dust) Regulation

--

--

--

Notified on 11 July 2018

2

Chemical Waste Producer Registration

5213-839-C1232-19

28 Aug 2018

N/A

--

3

Water Pollution Control Ordinance - Discharge License

WT00032842-2018

1 Mar 2019

31 Mar 2024

Valid until 31 March 2024

WT00034178-2019

15 Jul 2019

31 Jul 2024

Valid until 31 July 2024

4

Billing Account for Disposal of Construction Waste