Job No.: TCS00694/13

 

 

 

 

 

 

 

 

 

Agreement No. CE 45/2008 (CE)

Liantang/Heung Yuen Wai

Boundary Control Point and Associated Works

 

 

 

 

 

 

 

 

 

41st Quarterly Environmental Monitoring & Audit Summary Report ¡V

(August to October 2023)

 

 

 

 

 

Prepared For

 

 

 

 

 

Civil Engineering and Development

Department (CEDD)

 

 

 

 

 

 

 

 

 

Quality Index

Date

Reference No.

Prepared By

Certified By

22 January 2024

TCS00694/13/600/R2860v2

Nicola Hon

(Environmental Consultant)

T.W. Tam

(Environmental Team Leader)

 

 

Version

Date

Description

1

21 December 2023

First Submission

2

22 January 2024

Amended according to IEC¡¦s comments

 

 

 

 

 

 

 

 

 

This report has been prepared by Action-United Environmental Services & Consulting with all reasonable skill, care and diligence within the terms of the Agreement with the client, incorporating our General Terms and Conditions of Business and taking account of the resources devoted to it by agreement with the client. We disclaim any responsibility to the client and others in respect of any matters outside the scope of the above. This report is confidential to the client and we accept no responsibility of whatsoever nature to third parties to whom this report, or any part thereof, is made known. Any such party relies upon the report at their own risk.

 


 

 

 

 

 

 

Executive Summary

ES.01.   This is the 41st Quarterly EM&A Summary Report for the ¡§Liantang/Heung Yuen Wai Boundary Control Point and Associated Works¡¨ under Environmental Permit No. EP-404/2011/D (hereinafter ¡¥¡¥the EP¡¦¡¦), covering the period from 1 August 2023 to 31 October 2023 (hereinafter ¡§Reporting Period¡¨).

 

ES.02.   In the Reporting Period, the construction works under Liantang/Heung Yuen Wai Boundary Control Point and Associated Works Contract 6.  Environmental monitoring activities under the EM&A programme in the Reporting Period are summarized in the following table.

 

Environmental Aspect

Monitoring Parameters / Inspection

Reporting Period

Monitoring Locations / Contracts

Total Occasions  

Air Quality

1-hour TSP

6 (#)

294

24-hour TSP

6 (#)

80

Construction Noise

Leq(30min) Daytime

5 (~)

71

Water Quality

Water in-situ measurement and/or sampling

WM1 & WM1-C

28 Scheduled

WM2A(a) & WM2A-Cx

28 Scheduled

WM2B & WM2B-C

28 Scheduled

WM3x &WM3-C

28 Scheduled

Joint Site Inspection / Audit

ET and the Contractor joint site Environmental Inspection and Auditing

Contract 6

13

ET, the Contractor, IEC and RE joint site Environmental Inspection and Auditing

3

Remark:

                         (*) Water sampling was unable to carry out at WM3-C, WM2B and WM2B-C in the Reporting Period due to shallow water. Besides, WM1-C was also unable to carry out at some of the monitoring days in the Reporting Period due to shallow water.  (Water depth under 150mm). WM4, WM4-CA and WM4-CB were ceased after last monitoring carried out on 3 May 2021 according to Partial Termination Proposal for Contract 3 approved by EPD on 4 May 2021.

                          (#) Number of air monitoring location changed to 6 since the partial termination proposal approved by EPD on 9 Jul 2020 and 4 May 2021. Power supply for HVS for 24-hour TSP monitoring at Location AM3 (Ta Kwu Ling Ambulance Depot) was suspended from 1 February 2023 due to the renovation work of Ta Kwu Ling Ambulance Depot.

                          (~) Number of noise monitoring location changed to 5 since the partial termination proposal approved by EPD on 9 Jul 2020 and 4 May 2021.

 

Breaches of Action/Limit levels

ES.03.   In the Reporting Period, no exceedance was recorded for construction noise, air quality and water quality monitoring.  The summary of exceedance for the Reporting Period is shown below.

 

Environmental Aspect

Monitoring Parameters

Action Level

Limit Level

Event & Action

NOE Issued

Investigation

Corrective Actions

Air Quality

1-hour TSP

0

0

0

--

--

24-hour TSP

0

0

0

--

--

Construction Noise

Leq(30min) Daytime

0

0

0

--

--

Water Quality

DO

0

0

0

--

--

Turbidity

0

0

0

--

--

SS

0

0

0

 

Environmental Complaint

ES.04.   No environmental complaint was recorded in the Reporting Period.

 

Notification of Summons and Successful Prosecutions

ES.05.   No environmental summons or successful prosecutions were recorded in the Reporting Period.

 

Reporting Changes

ES.06.   Construction works for additional works at Kong Yiu Channel area was completed in May 2023, thus no construction work and waste raised of the Projects was presented in the Reporting Period. Updated EM&A termination proposal (Revision 2) addressing EPD¡¦s comment on 28 July 2023 was certified by ET and verified by IEC in August 2023 and the proposal was submitted to EPD by AECOM in early-September 2023. The proposal for termination of construction phase EM&A programme for Contract 6 and entire Project was approved by EPD on 31 October 2023 (EPD letter reference: ( ) in Ax(3) to EP2/N7/A52 Pt.19 dated 31 October 2023.  Thus, this is the last Quarterly EM&A Report for the Project. 

 

Future key issues

ES.07.   As construction work of the Project was completed in May 2023, thus no adverse environmental issue arising from the Project is foreseen in the future.  

 

ES.08.   The proposal for termination of construction phase EM&A programme for Contract 6 and entire Project was approved by EPD on 31 October 2023.  The Contractor was reminded to implement the mitigation measure for the Operation Phase as stipulated in the EP and the approved EIA Report.

 

 

Table of Contents

1       Introduction   1

1.1     Project Background   1

1.2          Report Structure  1

2       Project Organization and Construction progress  2

2.1          Construction Contract Packaging   2

2.2          Project Organization   4

2.3          Concurrent Projects  6

2.4          Construction Progress  6

2.5          Summary of Environmental Submissions  6

3       Project Organization and Construction progress  8

3.1          General  8

3.2          Monitoring Parameters  8

3.3          Monitoring Locations  8

3.4          Monitoring Frequency and Period   11

3.5          Monitoring Equipment  11

3.6          Monitoring Methodology   13

3.7          Equipment Calibration   15

3.8          Derivation of Action/Limit (A/L) Levels  16

3.9          Data Management and Data QA/QC Control  17

4       Air Quality Monitoring   18

4.1          General  18

4.2          Summary of Monitoring Results  18