Job No.: TCS00670/13

 

 

 

 

 

 

 

 

 

Agreement No. CE 45/2008 (CE)

Liantang/Heung Yuen Wai

Boundary Control Point and Associated Works

 

 

 

 

 

 

 

 

 

3rd Quarterly Environmental Monitoring & Audit Summary Report –

(February to April 2014)

 

 

 

 

 

Prepared For

 

 

 

 

 

Civil Engineering and Development Department (CEDD)

 

 

 

 

 

 

 

 

 

Quality Index

Date

Reference No.

Prepared By

Certified By

30 May 2014

TCS00670/13/600/R0175v2

Nicola Hon

(Environmental Consultant)

T.W. Tam

(Environmental Team Leader)

 

 

 

Version

Date

Description

1

19 May 2014

First Submission

2

30 May 2014

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 3rd Quarterly EM&A Summary Report for the “Liantang/Heung Yuen Wai Boundary Control Point and Associated Works” under Environmental Permit No. EP-404/2011/A (hereinafter ‘‘the EP’’), covering the period from 1 February to 30 April 2014 (hereinafter “Reporting Period”).

 

Environmental Monitoring and Audit Activities

ES.02.   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

4

180

24-hour TSP

4

64

Construction Noise

Leq(30min) Daytime

5

75

Water Quality

Water sampling

3 (Contract 3)

37*

2 (Contract 5)

37*

Joint Site Inspection / Audit

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

Contract 3

13

Contract 5

13

      (*) number of sampling day

 

Breaches of Action/Limit levels

ES.03.   In the Reporting Period, no exceedance of air quality was registered.  However, one (1) Limit Level exceedance and eleven (11) Action/ Limit Level exceedances were recorded for construction noise and water quality monitoring respectively.  The summary of breach of environmental performance 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

0

0

24-hour TSP

0

0

0

0

0

Construction Noise

Leq(30min) Daytime

0

1

1

Not project related

N.A.

Water Quality

DO

0

0

0

0

0

Turbidity

0

5

5

Not project related

N.A.

SS

1

5

6

Not project related

N.A.

 

Environmental Complaint

ES.04.   In the Reporting Period, one (1) environmental complaint was received on 16 April 2014 for Contract 3 regarding construction dust on the wheels of some vehicles leaving the construction site.  Measures have been taken to ensure regular wheel washing of vehicles leaving the construction sites, the maintenance of the wheel washing facilities, and the maintenance of the cleanliness of the public roads.  An investigation report has been submitted to relevant parties.

 

Notification of Summons and Successful Prosecutions

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

 

Reporting Changes

ES.06.   No reporting changes were made in the Reporting Period.

 

Future key issues

ES.07.   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.

 

ES.08.   As wet season is approaching, muddy water or other water pollutants from site surface runoff into the local stream will be key environment issue.  Water quality mitigation measures to prevent surface runoff into nearby water bodies should be paid on special attention.

 

ES.09.   Special attention should also be paid on the potential construction dust impact since most of the construction sites are adjacent to villages.  The Contractor should fully implement the construction dust mitigation measures properly.

 

ES.10.   In addition, the potential water quality impact at the nearby rivers should be highly alerted.  The Contractors including Contract 3 and Contract 5 should prevent muddy water and other water pollutants via site surface water runoff get into the Kong Yiu Channel and Ma Wat Channel, water quality mitigation measures should be properly implemented.

 
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   3

2.3          Concurrent Projects  5

2.4          Construction Progress  5

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   10

3.5          Monitoring Equipment  10

3.6          Monitoring Methodology   12

3.7          Equipment Calibration   14

3.8          Derivation of Action/Limit (A/L) Levels  14

3.9          Data Management and Data QA/QC Control  15

4         Air Quality Monitoring   17

4.1          General  17

4.2          Summary of Monitoring Results  17

5         Construction Noise Monitoring   19

5.1          General  19

5.2          Summary of Monitoring Results  19

6         Water Quality Monitoring   21

6.1          General  21

6.2          Summary of Monitoring Results  21

7         Waste Management   23

7.1          General Waste Management  23

7.2          Records of Waste Quantities  23

8         Site Inspections  24

8.1          requirements  24

9         Non-compliance, Complaints, Notifications of Summons and Successful Prosecutions  25

9.1          Non-compliance (exceedances) 25

9.2          Environmental Complaint, Summons and Prosecution   25

10      Implementation Status of Mitigation Measures  26

10.1        General Requirements  26

11       Conclusions and Recommendations  27

11.1        Conclusions  27

11.2        Recommendations  27

 


List of tables

Table 2-1      Status of Environmental Licenses and Permits of the Contracts

Table 3-1      Summary of EM&A Requirements

Table 3-2      Impact Monitoring Stations - Air Quality

Table 3-3      Impact Monitoring Stations - Construction Noise

Table 3-4      Impact Monitoring Stations - Water Quality

Table 3-5      Air Quality Monitoring Equipment

Table 3-6      Construction Noise Monitoring Equipment

Table 3-7      Water Quality Monitoring Equipment

Table 3-8      Action and Limit Levels for Air Quality Monitoring

Table 3-9      Action and Limit Levels for Construction Noise

Table 3-10    Action and Limit Levels for Water Quality

Table 4-1     Summary of Air Quality Monitoring Results

Table 4-2      Summaries of Breaches of Air Quality A/L Levels

Table 5-1     Summary of Construction Noise Monitoring Results

Table 5-2      Summaries of Breaches of Construction Noise A/L Levels

Table 6-1      Summary of the Water Quality Monitoring Results – Contract 5

Table 6-2      Summary of the Water Quality Monitoring Results – Contract 3

Table 6-3      Summaries of Breaches of the Existing Water Quality A/L Levels – Contract 5

Table 6-4      Summaries of Breaches of the Existing Water Quality A/L Levels – Contract 3

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

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

Table 8-1      Summary of Reminders/Observations of Site Inspection – Contract 3

Table 8-2      Summary of Reminders/Observations of Site Inspection – Contract 5

Table 9-1      Statistical Summary of Environmental Complaints

Table 9-2      Statistical Summary of Environmental Summons

Table 9-3      Statistical Summary of Environmental Prosecution

Table 10-1    Environmental Mitigation Measures

 

 

List of Annexes

Appendix A  Layout plan of the Project

Appendix B  Environmental Management Organization Chart

Appendix C  Master Construction Programme for Contract 5

Appendix D  Designated Monitoring Locations as Recommended in the Approved EM&A Manual

Appendix E  Monitoring Locations for Impact Monitoring

Appendix F   Event and Action Plan

Appendix G Graphical Plots for Monitoring Result

Appendix H Weather information

Appendix I Waste Flow Table

Appendix J Implementation Schedule for Environmental Mitigation Measures

 

 

 

 


1                    Introduction

1.1              Project Background

1.1.1.      Civil Engineering and Development Department is the Project Proponent and the Permit Holder of Agreement No. CE 45/2008 (CE) Liantang / Heung Yuen Wai Boundary Control Point and Associated Works, which is a Designated Project to be implemented under Environmental Permit number EP-404/2011/A issued on 28 October 2013. 

 

1.1.2.      The Project consists of two main components: Construction of a Boundary Control Point (hereinafter referred as “BCP”); and Construction of a connecting road alignment.  Layout plan of the Project is shown in Appendix A.

 

1.1.3.      The proposed BCP is located at the boundary with Shenzhen near the existing Chuk Yuen Village, comprising a main passenger building with passenger and cargo processing facilities and the associated customs, transport and ancillary facilities.  The connecting road alignment consists of six main sections:

1)             Lin Ma Hang to Frontier Closed Area (FCA) Boundary – this section comprises at-grade and viaducts and includes the improvement works at Lin Ma Hang Road;

2)             Ping Yeung to Wo Keng Shan – this section stretches from the Frontier Closed Area Boundary to the tunnel portal at Cheung Shan and comprises at-grade and viaducts including an interchange at Ping Yeung;

3)             North Tunnel – this section comprises the tunnel segment at Cheung Shan and includes a ventilation building at the portals on either end of the tunnel;

4)             Sha Tau Kok Road – this section stretches from the tunnel portal at Wo Keng Shan to the tunnel portal south of Loi Tung and comprises at-grade and viaducts including an interchange at Sha Tau Kok and an administration building;

5)             South Tunnel – this section comprises a tunnel segment that stretches from Loi Tung to Fanling and includes a ventilation building at the portals on either end of the tunnel as well as a ventilation building in the middle of the tunnel near Lau Shui Heung;

6)             Fanling – this section comprises the at-grade, viaducts and interchange connection to the existing Fanling Highway.

 

1.1.4.      Action-United Environmental Services & Consulting has been commissioned as an Independent ET to implement the relevant EM&A program in accordance with the approved EM&A Manual, as well as the associated duties. 

 

1.1.5.      This is the 3rd Quarterly EM&A Summary Report for the “Liantang/Heung Yuen Wai Boundary Control Point and Associated Works” under Environmental Permit No. EP-404/2011/A, covering the period from 1 February to 30 April 2014.

 

1.2              Report Structure

1.2.1        The Monthly Environmental Monitoring and Audit (EM&A) 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       Non-compliance, Complaints, Notifications of Summons and Successful Prosecutions

Section 9       Implementation Status of Mitigation Measures

Section 10     Conclusions and Recommendations

 

 

 


2                    Project Organization and Construction progress

2.1              Construction Contract Packaging

2.1.1        To facilitate the project management and implementation, the Project would be divided by the following contracts:

·                Contract 2 (CV/2012/08)

·                Contract 3 (CV/2012/09)

·                Contract 4 (TCSS)

·                Contract 5 (CV/2013/03)

·                Contract 6 (CV/2013/08)

 

2.1.2        The details of each contracts is summarized below and the delineation of each contracts is shown in Appendix A.

 

Contract 2 (CV/2012/08)

2.1.3        Contract 2 has awarded in December 2013 and construction work will commence on 19 May 2014.  Major Scope of Work of the Contract 2 is listed below:

·                construction of an approximately 5.2km long dual two-lane connecting road (with about 0.4km of at-grade road and 4.8km of tunnel) connecting the Fanling Interchange with the proposed Sha Tau Kok Interchange;

·                construction of a ventilation adit tunnel and the mid-ventilation building;

·                construction of the north and south portal buildings of the Lung Shan Tunnel and their associated slope works;

·                provision and installation of ventilation system, E&M works and building services works for Lung Shan tunnel and Cheung Shan tunnel and their portal buildings;

·                construction of Tunnel Administration Building adjacent to Wo Keng Shan Road and the associated E&M and building services works; and

·                construction of associated footpath, slopes, retaining structures, drainage, sewerage, waterworks, landscaping works and other ancillary works.

 

Contract 3 (CV/2012/09)

2.1.4        Contract 3 was awarded in July 2013 and construction work was commenced on 5 November 2013.  Major Scope of Work of the Contract 3 is listed below:

·                construction of four link roads connecting the existing Fanling Highway and the south portal of the Lung Shan Tunnel;

·                realignment of the existing Tai Wo Service Road West and Tai Wo Service Road East;

·                widening of the existing Fanling Highway (HyD’s entrustment works);

·                demolishing existing Kiu Tau vehicular bridge and Kiu Tau footbridge and reconstruction of the existing Kiu Tau Footbridge (HyD’s entrustment works); and

·                construction of associated footpath, slopes, retaining structures, drainage, sewerage, waterworks, landscaping works and other ancillary works.

 

Contract 4 (Contract number to be assigned)

2.1.5        Contract 4 has not yet awarded.  The work of the Contract 4 includes provision and installation of Traffic Control and Surveillance System and the associated electrical and mechanical works for the Project.

 

Contract 5 (CV/2013/03)

2.1.6        Contract 5 has awarded in April 2013 and construction work was commenced in August 2013.  Major Scope of Work of the Contract 5 is listed below:

·                site formation of about 23 hectares of land for the development of the BCP;

·                construction of an approximately 1.6 km long perimeter road at the BCP including a 175m long depressed road;

·                associated diversion/modification works at existing local roads and junctions including Lin Ma Hang Road;

·                construction of pedestrian subway linking the BCP to Lin Ma Hang Road;

·                provision of resite area with supporting infrastructure for reprovisioning of the affected village houses; and

·                construction of associated footpath, slopes, retaining structures, drainage, sewerage, waterworks, landscaping works and other ancillary works.

 

Contract 6 (CV/2013/08)

2.1.7        Contract 6 has not yet awarded.  Major Scope of Work of the Contract 6 will be included below:

Ÿ    construction of an approximately 4.6km long dual two-lane connecting road (with about 0.6km of at-grade road, 3.3km of viaduct and 0.7km of tunnel) connecting the BCP with the proposed Sha Tau Kok Road Interchange and the associated ventilation buildings;

Ÿ    associated diversion/modification works at access roads to the resite of Chuk Yuen Village;

Ÿ    provision of sewage collection, treatment and disposal facilities for the BCP and the resite of Chuk Yuen Village;

Ÿ    construction of a pedestrian subway linking the BCP to Lin Ma Hang Road;

Ÿ    provisioning of the affected facilities including Wo Keng Shan Road garden; and

Ÿ    construction of associated footpath, slopes, retaining structures, drainage, sewerage, waterworks, landscaping works and other ancillary works.

 

2.2              Project Organization

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

 

Civil Engineering and Development Department (CEDD)

2.2.2        CEDD is the Project Proponent and the Permit Holder of the EP of the development of the Project and will assume overall responsibility for the project. An Independent Environmental Checker (IEC) shall be employed by CEDD to audit the results of the EM&A works carried out by the ET.

 

Environmental Protection Department (EPD)

2.2.3        EPD is the statutory enforcement body for environmental protection matters in Hong Kong.

 

Engineer or Engineers Representative (ER)

2.2.4        The ER 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 ER 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’s, 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

·                Liaison with DSD, Engineer/Engineer’s Representative, ET, IEC and the Contractor of the “Construction of the DSD’s Regulaiton of Shenzhen River Stage 4 (RSR 4)” Project discussing regarding the cumulative impact issues.

 

 

The Contractor(s)

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

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

·                Employ an Environmental Team (ET) to undertake monitoring, laboratory analysis and reporting of EM &A Facilitate ET’s monitoring and site inspection activities

·                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)

2.2.6        One ET will be employed for this Project.  The ET shall not be in any way an associated body of the Contractor(s), and shall be employed by the Project Proponent/Contractor 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. Suitably 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.  The ET shall report to the Project Proponent and the duties shall include:

·                Monitor and audit various environmental parameters as required in this EM&A Manual

·                Analyse 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 ER, the lEC 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

·                Liaison with the client departments, Engineer/Engineer’s Representative, ET, lEC and the Contractor(s) of the concurrent projects as listed under Section 2.3 below regarding the cumulative impact issues.

 

Independent Environmental Checker (IEC)

2.2.7        One 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 10 years’ experience in EM&A and have relevant professional qualifications.  The duty of IEC should be:

·                Provide proactive advice to the ER 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 ER and Project Proponent on a monthly basis

·                Liaison with the client departments, Engineer/Engineer’s Representative, ET, lEC and the Contractor(s) of the concurrent projects as listed under Section 2.3 below regarding the cumulative impact issues.

 

2.3              Concurrent Projects

2.3.1        The concurrent construction works that may be carried out include, but not limited to, the following:

                         (a)          Regulation of Shenzhen River Stage;

                        (b)          Building works and road works by contractors of ArchSD;

                         (c)          Widening of Fanling Highway – Tai Hang to Wo Hop Shek Interchange – Contract No. HY/2012/06;

                        (d)          Construction of cross-boundary vehicular and pedestrian bridges (total 5 numbers) across the Shenzhen River; and

                         (e)          Construction of BCP facilities in Shenzhen.

 

2.4              Construction Progress

2.4.1        In the Reporting Period, the major construction activity conducted under the Project is located in Contract 3 and Contract 5.  They are summarized in below.  Moreover, the master construction program of the Contract 3 and Contract 5 is enclosed in Appendix C.

Contract 2 (CV/2012/08)

Ÿ    Contract 2 has awarded in December 2013 and construction work will commence on 19 May 2014.

Contract 3 (CV/2012/09)

Ÿ    Contract commenced in November 2013, the following activities were conducted in the Reporting Period.

Ÿ     Cable detection and trial trenches

Ÿ     Tree Felling Works

Ÿ     Pre-drilling works and piling works

Ÿ     Extension of box culvert ID04, ID05 & BC01

Ÿ     Bored pile and bored pile wall construction

Ÿ     Construction of haul road and temporary soil platform for geotechnical works

Ÿ     Slope upgrading works

Ÿ     Noise barrier installation

Ÿ     Waterworks

-        

Contract 4 (Contract number to be assigned)

Ÿ    The contract has not yet awarded.

 

Contract 5 (CV/2013/03)

Ÿ    Contract awarded in April 2013 and commenced in August 2013, the following activities were conducted in the Reporting Period.

Ÿ     Construction of Eastern pedestrian subway and pump room at Lin Ma Hang (LMH) Road

Ÿ     Construction of Western pedestrian subway at LMH

Ÿ     Piling works at Bridge J

Ÿ     Construction of retaining wall No.1

Ÿ     Drainage works at LMH Road

Ÿ     Water works at LMH Road

Ÿ     Western Life shaft’s construction

Ÿ     Eastern Life shaft’s construction

Ÿ     Formation works at BCP Area

Ÿ     Transplantation, Pruning/felling of existing tree

 

Contract 6 (CV/2013/08)

Ÿ    The contract is still yet awarded

 

2.5              Summary of Environmental Submissions

2.5.1        In according to the EP, the required documents have submitted to EPD for retention which listed in below:

Ÿ     Project Layout Plans of Contracts 2, 3 and 5

Ÿ     Landscape Plan

Ÿ     Topsoil Management Plan

Ÿ     Environmental Monitoring and Audit Programme

Ÿ     Baseline Monitoring Report (TCS00690/13/600/R0030v3) for the Project

Ÿ     Waste Management Plan of the Contracts 3 and 5

Ÿ     Contamination Assessment Plan (CAP) for Po Kat Tsai and Loi Tung

Ÿ     Vegetation Survey Report

 

2.5.2        Summary of the relevant permits, licenses, and/or notifications on environmental protection for the Project of each contracts are presented in Table 2-1.

 

Table 2-1             Status of Environmental Licenses and Permits of the Contracts

Item

Description

License/Permit Status

Contract 3

Contract 5

Contract 2, 4 & 6

1

Air pollution Control (Construction Dust) Regulation

Ref. No: 362101

Notification received by EPD on 17 Jul 2013

Ref. No: 359338

Notified EPD on 13 May 2013

--

2

Chemical Waste Producer Registration - Waste Producers Number

No.:5113-634-C3817-01 Valid form 7 Oct 2013 till the end of Contract

No.: 5213-642-S3735-01

Valid form 8 Jun 2013 till the end of Contract

--

3

Water Pollution Control Ordinance - Discharge License

No.:WT00016832 – 2013

Valid from 28 Aug 13 to 31 Aug 2018

No.: W5/1G44/1

Valid from 8 Jun 13 to 30 Jun 2018

--

4

Waste Disposal Regulation - Billing Account for Disposal of Construction Waste

Account No. 7017914

Valid form 2 Aug 13 till the end of Contract

Account No. 7017351

Valid form 29 Apr 13 till the end of Contract

--

5

Construction Noise Permit

GW-RN0004-14

Valid on 7 Jan 14 till 22 Jun 2014

NA

--

GW-RN0109-14

Valid on 24 Feb 14 till 17

May 2014

GW-RN0136-14

Valid on 4 Mar 2014 till 22 Jun 2014

 

 


 

3                    Project Organization and Construction progress

3.1              General

3.1.1        The Environmental Monitoring and Audit requirements are set out in the Approved EM&A manual. Environmental issues such as air quality, construction noise and water quality were identified as the key issues during the construction phase of the Project.

 

3.1.2        A summary of construction phase EM&A requirements are presented in the sub-sections below.

 

3.2              Monitoring Parameters

3.2.1        The EM&A program of construction phase monitoring shall cover the following environmental issues:

            Air quality;

            Construction noise; and

            Water quality

3.2.2        A summary of the monitoring parameters is presented in Table 3-1.

Table 3-1             Summary of EM&A Requirements

Environmental Issue

Parameters

Air Quality

Ÿ  1-hour TSP by Real-Time Portable Dust Meter; and

Ÿ  24-hour TSP by High Volume Air Sampler.

Noise

Ÿ  Leq(30min) in normal working days (Monday to Saturday) 07:00-19:00 except public holiday; and

Ÿ  3 sets of consecutive Leq(5min) on restricted hours i.e. 19:00 to 07:00 next day, and whole day of public holiday or Sunday

Ÿ  Supplementary information for data auditing, statistical results such as L10 and L90 shall also be obtained for reference.

Water Quality

In-situ Measurements

Ÿ  Dissolved Oxygen Concentration (mg/L);

Ÿ  Dissolved Oxygen Saturation (% );

Ÿ  Turbidity (NTU);

Ÿ  pH unit;

Ÿ  Water depth (m); and

Ÿ  Temperature ().

Laboratory Analysis

Ÿ  Suspended Solids (mg/L)

 

3.3              Monitoring Locations

3.3.1        The designated monitoring locations as recommended in the EM&A Manual are shown in Appendix D.  As the access to some of the designated monitoring locations was questionable due to safety reason or denied by the landlords, alternative locations therefore have had proposed. The proposed alternative monitoring locations has updated in the revised EM&A Programme which verified by IEC and certified by ET Leader prior submitted to EPD on 10 July 2013.  Table 3-2, Table 3-3 and Table 3-4 are respectively listed the air quality, construction noise and water quality monitoring locations for the Project and a map showing these monitoring stations is presented in Appendix E.

Table 3-2             Impact Monitoring Stations - Air Quality

Station ID

Description

Works Area

Related to the Work Contract

AM1

Tsung Yuen Ha Village House No. 63

BCP

Contract 5

AM1a*

Garden Farm, Tsung Yuen Ha Village

BCP

Contract 5

AM2

Village House near Lin Ma Hang Road

LMH to Frontier Closed Area

Contract 5,

Contract 6

AM3

Ta Kwu Ling Fire Service Station of Ta Kwu Ling Village.

LMH to Frontier Closed Area

Contract 5,

Contract 6

AM4a

A village house located at about 160m east side of the original point AM4

LMH to Frontier Closed Area

Contract 6

AM5

Ping Yeung Village House

Ping Yeung to Wo Keng Shan

Contract 6

AM6

Wo Keng Shan Village House

Ping Yeung to Wo Keng Shan

Contract 6

AM7a

Another village (nameless) aligns to Sha Tau Kok Road – Wo Hang Section proximity to Tai Tong Wu Village.  The location is about 140m away from the original point AM7

Sha Tau Kok Road

Contract 2

AM8

Po Kat Tsai Village No. 4

Po Kat Tsai

Contract 2

AM9b

Nam Wa Po Village House No. 80

Fanling

Contract 3

* Proposal for the change of air quality monitoring location from AM1to AM1a was submitted to EPD on 24 March2014 after verified by the IEC.

 

Table 3-3             Impact Monitoring Stations - Construction Noise

Station ID

Description

Works Area

Related to the Work Contract

NM1

Tsung Yuen Ha Village House No. 63

BCP

Contract 5

NM2

Village House near Lin Ma Hang Road

Lin Ma Hang to Frontier Closed Area

Contract 5,

Contract 6

NM3

Ping Yeung Village House (facade facing northeast)

Ping Yeung to Wo Keng Shan

Contract 6

NM4

Wo Keng Shan Village House

Ping Yeung to Wo Keng Shan

Contract 6

NM5

Village House, Loi Tung

Sha Tau Kok Road

Contract 2,

Contract 6

NM6

Tai Tong Wu Village House 2

Sha Tau Kok Rpad

Contract 2,

Contract 6

NM7

Po Kat Tsai Village

Po Kat Tsai

Contract 2

NM8

Village House, Tong Hang

Fanling

Contract 2

Contract 3

NM9

Village House, Kiu Tau Village

Fanling

Contract 3

NM10

Nam Wa Po Village House No. 78

Fanling

Contract 3

 

Table 3-4             Impact Monitoring Stations - Water Quality

Station ID

Description

Designated / Alternative Location

Nature of the location

Related to the Work Contract

Coordinates

Easting

Northing

WM1

Downstream of Kong Yiu Channel

833679

845421

Alternative location located at upstream 51m of the designated location

Contract 5

WM1-Control

Upstream of Kong Yiu Channel

834185

845917

NA

Contract 5

WM2A

Downstream of River Ganges

834204

844471

Alternative location located at downstream 81m of the designated location

Contract 6

WM2A-Control

Upstream of River Ganges

835270

844243

Alternative location located at upstream 78m of the designated location

Contract 6

WM2B

Downstream of River Ganges

835433

843397

NA

Contract 6

WM2B-Control

Upstream of River Ganges

835835

843351

Alternative location located at downstream 31m of the designated location

Contract 6

WM3

Downstream of River Indus

836324

842407

NA

Contract 6

WM3-Control

Upstream of River Indus

836763

842400

Alternative location located at downstream 26m of the designated location

Contract 6

WM4

Downstream of Ma Wat Channel

833850

838338

Alternative location located at upstream 11m of the designated location

Contract 3

WM4–Control A

Kau Lung Hang Stream

834028

837695

Alternative location located at downstream 28m of the designated location

Contract 3

WM4–Control B

Upstream of Ma Wat Channel

833760

837395

Alternative location located at upstream 15m of the designated location

Contract 3

 

3.4              Monitoring Frequency and Period

3.4.1        The requirements of impact monitoring are stipulated in Sections 2.1.6, 3.1.5 and 4.1.6 of the approved EM&A Manual and presented as follows.

 

Air Quality Monitoring

3.4.2        Frequency of impact air quality monitoring is as follows:

Ÿ   1-hour TSP

3 times every six days during course of works

Ÿ   24-hour TSP

Once every 6 days during course of works.

 

Noise Monitoring

3.4.3        One set of Leq(30min) as 6 consecutive Leq(5min) between 0700-1900 hours on normal weekdays and once every week during course of works.  If construction work necessary to carry out at other time periods, i.e. restricted time period (19:00 to 07:00 the next morning and whole day on public holidays) (hereinafter referred as “the restricted hours”), 3 consecutive Leq(5min) measurement will depended CNP requirements to undertake.  Supplementary information for data auditing, statistical results such as L10 and L90 shall also be obtained for reference.

 

Water Quality Monitoring

3.4.4        The water quality monitoring frequency shall be 3 days per week during course of works.  The interval between two sets of monitoring shall not be less than 36 hours.

 

3.5              Monitoring Equipment

Air Quality Monitoring

3.5.1        The 24-hour and 1-hour TSP levels shall be measured by following the standard high volume sampling method as set out in the Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix B.  If the ET proposes to use a direct reading dust meter to measure 1-hour TSP levels, it shall submit sufficient information to the IEC to approve.

 

3.5.2        The filter paper of 24-hour TSP measurement shall be determined by HOKLAS accredited laboratory.

 

3.5.3        All equipment to be used for air quality monitoring is listed in Table 3-5.

Table 3-5             Air Quality Monitoring Equipment

Equipment

Model

24-Hr TSP

High Volume Air Sampler

TISCH High Volume Air Sampler, HVS Model TE-5170

Calibration Kit

TISCH Model TE-5025A

1-Hour TSP

Portable Dust Meter

Sibata LD-3B Laser Dust monitor Particle Mass Profiler & Counter

 

Wind Data Monitoring Equipment

3.5.4        According to the approved EM&A Manual, wind data monitoring equipment shall also be provided and set up for logging wind speed and wind direction near the dust monitoring locations.  The equipment installation location shall be proposed by the ET and agreed with the IEC.  For installation and operation of wind data monitoring equipment, the following points shall be observed:

1)        The wind sensors should be installed 10 m above ground so that they are clear of obstructions or turbulence caused by buildings.

2)        The wind data should be captured by a data logger. The data shall be downloaded for analysis at least once a month.

3)        The wind data monitoring equipment should be re-calibrated at least once every six months.

4)        Wind direction should be divided into 16 sectors of 22.5 degrees each.

 

3.5.5        ET has liaised with the landlords of the successful granted HVS installation premises.  However, the owners rejected to provide premises for wind data monitoring equipment installation.

 

3.5.6        Under this situation, the ET proposed alternative methods to obtain representative wind data.  Meteorological information as extracted from “the Hong Kong Observatory Ta Kwu Ling Station” is alternative method to obtain representative wind data.  For Ta Kwu Ling Station, it is located nearby the Project site.  Moreover, this station is located at 15m above mean sea level while its anemometer is located at 13m above the existing ground which in compliance with the general setting up requirement.  Furthermore, this station also can be to provide the humidity, rainfall, and air pressure and temperature etc. meteorological information.  In Hong Kong of a lot development projects, weather information extracted from Hong Kong Observatory is common alternative method if weather station installation not allowed.

 

Noise Monitoring

3.5.7        Sound level meter in compliance with the International Electrotechnical Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications shall be used for carrying out the noise monitoring.  The sound level meter shall be checked using an acoustic calibrator.  The wind speed shall be checked with a portable wind speed meter capable of measuring the wind speed in m s-1.

 

3.5.8        Noise monitoring equipment to be used for monitoring is listed in Table 3-6.

Table 3-6             Construction Noise Monitoring Equipment

Equipment

Model

Integrating Sound Level Meter

B&K Type 2238 or Rion NL-14 or Rion NL-31

Calibrator

B&K Type 4231

Portable Wind Speed Indicator

Testo Anemometer

 

3.5.9        Sound level meters listed above comply with the International Electrotechnical Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications, as recommended in TM issued under the NCO.  The acoustic calibrator and sound level meter to be used in the impact monitoring will be calibrated yearly.

 

Water Quality Monitoring

3.5.10    DO and water temperature should be measured in-situ by a DO/temperature meter. The instrument should be portable and weatherproof using a DC power source. It should have a membrane electrode with automatic temperature compensation complete with a cable. The equipment should be capable of measuring:

            DO level in the range of 0-20 mg/l and 0-200% saturation; and

            temperature of between 0 and 45 degree Celsius.

3.5.11    A portable pH meter capable of measuring a range between 0.0 and 14.0 should be provided to measure pH under the specified conditions accordingly to the APHA Standard Methods.

 

3.5.12    The instrument should be portable and weatherproof using a DC power source. It should have a photoelectric sensor capable of measuring turbidity between 0-1000 NTU.

 

3.5.13    A portable, battery-operated echo sounder or tape measure will be used for the determination of water depth at each designated monitoring station as appropriate.

 

3.5.14    A water sampler e.g. Kahlsico Water Sampler, which is a transparent PVC cylinder with capacity not less than 2 litres, will be used for water sampling if water depth over than 0.5m.   For sampling from very shallow water depths e.g. <0.5 m, water sample collection will be directly from water surface below 100mm use sampling plastic bottle to avoid inclusion of bottom sediment or humus.  Moreover, Teflon/stainless steel bailer or self-made sampling buckets maybe used for water sampling.  The equipment used for sampling will be depended the sampling location and depth situations.

 

3.5.15    Water samples for laboratory measurement of SS will be collected in high density polythene bottles, packed in ice (cooled to 4 ºC without being frozen), and delivered to the laboratory in the same day as the samples were collected.

 

3.5.16    Analysis of suspended solids should be carried out in a HOKLAS or other accredited laboratory. Water samples of about 1L should be collected at the monitoring stations for carrying out the laboratory suspended solids determination.  The SS determination work should start within 24 hours after collection of the water samples. The SS analyses should follow the APHA Standard Methods 2540D with Limit of Reporting of 2 mg/L.

 

3.5.17    Water quality monitoring equipment used in the impact monitoring is listed in Table 3-7.  Suspended solids (SS) analysis is carried out by a local HOKLAS-accredited laboratory, namely ALS Technichem (HK) Pty Ltd.

Table 3-7             Water Quality Monitoring Equipment

Equipment

Model

Water Depth Detector

Eagle Sonar or tape measures

Water Sampler

A 2-litre transparent PVC cylinder with latex cups at both ends or teflon/stainless steel bailer or self-made sampling bucket

Thermometer & DO meter

YSI PRO20 Handheld Dissolved Oxygen Instrument

pH meter

The EcoSense ® pH10A pen-style instrument

Turbidimeter

Hach 2100Q

Sample Container

High density polythene bottles (provided by laboratory)

Storage Container

‘Willow’ 33-liter plastic cool box with Ice pad

 

3.6              Monitoring Methodology

1-hour TSP Monitoring

3.6.1        The 1-hour TSP monitor was a brand named “Sibata LD-3B Laser Dust monitor Particle Mass Profiler & Counter” which is a portable, battery-operated laser photometer.  The 1-hour TSP meter provides a real time 1-hour TSP measurement based on 90o light scattering.  The 1-hour TSP monitor consists of the following:

(a.)         A pump to draw sample aerosol through the optic chamber where TSP is measured;

(b.)        A sheath air system to isolate the aerosol in the chamber to keep the optics clean for maximum reliability; and

(c.)         A built-in data logger compatible with Windows based program to facilitate data collection, analysis and reporting.

 

 

3.6.2        The 1-hour TSP meter is used within the valid period as follow manufacturer’s Operation and Service Manual.

 

24-hour TSP Monitoring

3.6.3        The equipment used for 24-hour TSP measurement is Thermo Andersen Model GS2310 TSP high volume air sampling system, which complied with EPA Code of Federal Regulation, Appendix B to Part 50. The High Volume Air Sampler (HVS) consists of the following:

(a.)         An anodized aluminum shelter;

(b.)        A 8”x10” stainless steel filter holder;

(c.)         A blower motor assembly;         

(d.)        A continuous flow/pressure recorder;

(e.)         A motor speed-voltage control/elapsed time indicator;

(f.)         A 7-day mechanical timer, and

(g.)         A power supply of 220v/50 Hz

 

3.6.4        The HVS is operated and calibrated on a regular basis in accordance with the manufacturer’s instruction using Tisch Calibration Kit Model TE-5025A.  Calibration would carry out in two month interval.

 

3.6.5        24-hour TSP is collected by the ET on filters of HVS and quantified by a local HOKLAS accredited laboratory, ALS Technichem (HK) Pty Ltd (ALS), upon receipt of the samples.  The ET keep all the sampled 24-hour TSP filters in normal air conditioned room conditions, i.e. 70% RH (Relative Humidity) and 25oC, for six months prior to disposal.

 

Noise Monitoring

3.6.6        Noise measurements were taken in terms of the A-weighted equivalent sound pressure level (Leq) measured in decibels dB(A). Supplementary statistical results (L10 and L90) were also obtained for reference.

 

3.6.7        During the monitoring, all noise measurements were performed with the meter set to FAST response and on the A-weighted equivalent continuous sound pressure level (Leq).  Leq(30min) in six consecutive Leq(5min) measurements were used as the monitoring parameter for the time period between 0700-1900 hours on weekdays; and also Leq(15min) in three consecutive Leq(5min) measurements is used as monitoring parameter for other time periods (e.g. during restricted hours), if necessary.

 

3.6.8        Prior of noise measurement, the accuracy of the sound level meter is checked using an acoustic calibrator generating a known sound pressure level at a known frequency.  The checking was performed before and after the noise measurement.

 

Water Quality

3.6.9        Water quality monitoring is conducted at the designated locations. The sampling produce with the in-situ monitoring are presented as below:

 

Sampling Procedure

3.6.10    A Digital Global Positioning System (GPS) is used to identify the designated monitoring stations prior to water sampling.  A portable, battery-operated echo sounder is used for the determination of water depth at each station.  At each station, water sample would be collected from 0.1m below water surface or the water surface to prevent the river bed sediment for stirring.

 

3.6.11    The sample container will be rinsed with a portion of the water sample.  The water sample then will be transferred to the high-density polythene bottles as provided by the laboratory, labeled with a unique sample number and sealed with a screw cap.

 

3.6.12    Before sampling, general information such as the date and time of sampling, weather condition as well as the personnel responsible for the monitoring would be recorded on the field data sheet.

 

3.6.13    A ‘Willow’ 33-liter plastic cool box packed with ice will be used to preserve the water samples prior to arrival at the laboratory for chemical determination.  The water temperature of the cool box is maintained at a temperature as close to 40C as possible without being frozen.  Samples collected are delivered to the laboratory upon collection.

 

In-situ Measurement

3.6.14    YSI PRO20 Handheld Dissolved Oxygen Instrument is used for water in-situ measures, which automates the measurements and data logging of temperature, dissolved oxygen and dissolved oxygen saturation.  Before each round of monitoring, the dissolved oxygen probe would be calibrated by the wet bulb method.

 

3.6.15    A portable EcoSense ® pH10A pen-style instrument is used for in-situ pH measurement.  The pH meter is capable of measuring pH in the range of 0 – 14 and readable to 0.1.

 

3.6.16    A portable Hach 2100Q Turbidimeter is used for in-situ turbidity measurement. The turbidity meter is capable of measuring turbidity in the range of 0 – 1000 NTU.  StablCal® Standards of known NTU are used for calibration of the instrument before and after measurement.

 

3.6.17    All in-situ measurement equipment are calibrated by HOKLAS accredited laboratory of three month interval.

 

Laboratory Analysis

3.6.18    All water samples are analyzed with Suspended Solids (SS) as specified in the EM&A Manual by a local HOKLAS-accredited testing laboratory (ALS Technichem (HK) Pty Ltd HOKLAS registration no. 66).  SS analysis is determined by the laboratory upon receipt of the water samples using APHA Standard Methods 2540D (namely ALS Method EA-025 as accredited HOKLAS Scheme) started within 48 hours of water sample receipt.

 

3.7              Equipment Calibration

3.7.1        Calibration of the HVS is performed upon installation and thereafter at bimonthly intervals in accordance with the manufacturer’s instruction using the certified standard calibrator (TISCH Model TE-5025A).  Moreover, the Calibration Kit would be calibrated annually. The calibration data are properly documented and the records are maintained by ET for future reference.

 

3.7.2        The 1-hour TSP meter was calibrated by the supplier prior to purchase.  Zero response of the equipment would be checked before and after each monitoring event.  Annually calibration with the High Volume Sampler (HVS) in same condition would be undertaken by the Laboratory.

 

3.7.3        The sound level meter and calibrator are calibrated and certified by a laboratory accredited under HOKLAS or any other international accreditation scheme at yearly basis.

 

3.7.4        All water quality monitoring equipment is calibrated by HOKLAS accredited laboratory of three month intervals.

 

3.7.5        The calibration certificates of all monitoring equipment used for the impact monitoring program in the Reporting Period and the HOKLAS accredited certificate of laboratory are presented in the relevant monthly EM&A reports.  

 

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

3.8.1        The baseline results form the basis for determining the environmental acceptance criteria for the impact monitoring.  According to the approved Environmental Monitoring and Audit Manual, the air quality, construction noise and water quality criteria were set up, namely Action and Limit levels are listed in Tables 3-8, 3-9 and 3-10.

Table 3-8             Action and Limit Levels for Air Quality Monitoring

Monitoring Station

Action Level (mg /m3)

Limit Level (mg/m3)

1-hour TSP

24-hour TSP

1-hour TSP

24-hour TSP

AM1/ AM1a

265

143

500

260

AM2

268

149

AM3

269