Job No.: TCS00694/13

 

 

 

 

 

 

 

 

 

Agreement No. CE 45/2008 (CE)

Liantang/ Heung Yuen Wai

Boundary Control Point and Associated Works

 

 

 

 

 

 

 

 

 

Monthly Environmental Monitoring and Audit Report (No.85) – August 2020

 

 

 

 

 

 

 

 

Prepared For

 

 

 

 

Civil Engineering and Development Department (CEDD)

 

 

 

 

 

 

 

 

 

 

 

Date

Reference No.

Prepared By

Certified By

11 September 2020

TCS00694/13/600/R2503v2

Nicola Hon

 (Environmental Consultant)

Tam Tak Wing

(Environmental Team Leader)

 

Version

Date

Remarks

 1

8 September 2020

First Submission

 2

11 September 2020

Amended against IEC’s comment on 9 September 2020  

 

 

 

 

 

 


 

 

 

 

 

executive summary

ES01            This is the 85th monthly Environmental Monitoring & Audit (EM&A) report presenting the monitoring results and inspection findings for the reporting period from 1 to 31 August 2020 (hereinafter ‘the Reporting Period’).

Environmental Monitoring and Audit Activities

ES02            To facilitate the project management and implementation, Liantang/Heung Yuen Wai Boundary Control Point and Associated Works of the Project is divided to six CEDD contracts including Contract 2 (CV/2012/08), Contract 3 (CV/2012/09), Contract 4 (NE/2014/02), Contract 5 (CV/2013/03), Contract 6 (CV/2013/08) and Contract 7 (NE/2014/03) and an ArshSD contract (Contract SS C505).

ES03            In the Reporting Period, environmental monitoring activities under the EM&A programme in the Reporting Period are summarized in the following table.

Environmental Aspect

Environmental Monitoring Parameters / Inspection

Reporting Period

Number of Monitoring Locations to undertake

Total Occasions 

Air Quality

1-hour TSP

7 (#)

105

24-hour TSP

7 (#)

35

Construction Noise

Leq(30min) Daytime

8 (~)

32

Water Quality

Water in-situ measurement and/or sampling

WM1 & WM1-C

13 Scheduled & 0 extra

WM2A(a) & WM2A-Cx

13 Scheduled & 0 extra

WM2B & WM2B-C

13 Scheduled & 0 extra (*)

WM3x &WM3-C

13 Scheduled & 0 extra (*)

WM4, WM4-CA &WM4-CB

13 Scheduled & 0 extra

Ecology

Woodland compensation

i)      General Health condition of planted species

ii)     Survival of planted species

9 Quadrats and transect

1

Wetland compensation

i)        Site inspection

Contract 6

4

Joint Site Inspection / Audit

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

Contract 3

4

Contract 6

4

Remark:

                          (*) Water sampling was unable to carry out at WM2B and WM2B-C in the Reporting Period due to shallow water. Besides, WM3-C was also unable to carry out in some of the monitoring days due to shallow water.  (Water depth under 150mm).

                          (#) Number of air monitoring location changed to 7 since the partial termination proposal approved by EPD on 9 Jul 2020.

                          (~) Number of noise monitoring location changed to 8 since the partial termination proposal approved by EPD on 9 Jul 2020.

 

Action and Limit (A/L) Levels exceedance

ES04            In the Reporting Period, no exceedance was recorded for construction noise, air quality and water quality monitoring. The summary of exceedance in the Reporting Period is shown below.

Environmental Aspect

Monitoring Parameters

Action Level

Limit Level

Event & Action

NOE Issued

Investigation Result

Project related exceedance

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

ES05            No environmental complaint was recorded in the Reporting Period.

Notification of Summons and Successful Prosecutions

ES06            No environmental summons and prosecutions were recorded in the Reporting Period. 

Reporting Change

ES07            No reporting change was recorded in the Reporting period.

Site Inspection

ES08            In the Reporting Period, joint site inspection to evaluate the site environmental performance at Contract 3 has been carried out by the RE, ET, IEC and the Contractor on 5, 12, 19 and 26 August 2020.  No non-compliance was noted during the site inspection. 

ES09            In the Reporting Period, joint site inspection to evaluate the site environmental performance at Contract 6 has been carried out by the RE, ET, IEC and the Contractor on 5, 12, 19 and 27 August 2020.  No non-compliance was noted during the site inspection. 

Future Key Issues

ES10            During wet season, preventive measures for muddy water or other water pollutants from site surface flow to local stream such as Kong Yiu Channel, Ma Wat Channel, Ping Yuen River, Kwan Tei River or public area should be properly maintained.  The Contractors should paid special attention on water quality mitigation measures and fully implement according ISEMM of the EM&A Manual.

ES11            In addition, all effluent discharge shall be ensure to fulfill Technical Memorandum of Effluent Discharged into Drainage and Sewerage Systems, inland and Coastal Waters criteria or discharge permits stipulation.

ES12            Construction noise would be a key environmental issue during construction work of the Project.  Noise mitigation measures such as using quiet plants should be implemented in accordance with the EM&A requirement.

 

 

 

 

 


Table of Contents

1     Introduction   1

1.1            Project Background   1

1.2            Report Structure  1

2     Project Organization and Construction progress  3

2.1            Construction Contract Packaging   3

2.2            Project Organization   5

2.3            Concurrent Projects