Environmental Aspect	Monitoring Parameters	Action Level	Limit Level	Event & Action
Air Quality	1-hour TSP	0	0	0	--	--
24-hour TSP	0	0	0	--	--
Construction Noise	L_eq_(30min)Daytime	0	0	0	--	--
Water Quality	DO	0	0	0	--	--
Turbidity	0	19	19	Total nine exceedance are due to the Project construction activities but ten exceedance are not due to the Project construction activities	The relevant Contractors including C2 and C6 shall implemented water quality mitigation measures in accordance with ISEMM of the EM&A Manual requirements
SS	0	20	20	Total six exceedance are due to the Project construction activities but fourteen exceedance are not due to the Project construction activities

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/C granted on 12 March 2015.

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. As part of the EM&A program, the baseline monitoring has carried out between 13 June 2013 and 12 July 2013 for all parameters including air quality, noise and water quality before construction work commencement. The Baseline Monitoring Report summarized the key findings and the rationale behind determining a set of Action and Limit Levels (A/L Levels) from the baseline data. Also, the Project baseline monitoring report which verified by the IEC has been submitted to EPD on 16 July 2013 for endorsement. The major construction works of the Project was commenced on 16 August 2013 in accordance with the EP Section 5.3 stipulation.

1.1.5 This is 33^rd monthly EM&A report presenting the monitoring results and inspection findings for reporting period from 1 to 30 April 2016.

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 Site Inspections

Section 9 Environmental Complaints and Non-Compliance

Section 10 Implementation Status of Mitigation Measures

Section 11 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 (NE/2014/02)

· Contract 5 (CV/2013/03)

· Contract 6 (CV/2013/08)

· Contract 7 (NE/2014/03)

· ArchSD Contract No. SS C505

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 was commenced 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 (NE/2014/02)

2.1.5 Contract 4 has not yet been 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 awarded in June 2015 and construction work was commenced on 23 October 2015. Major Scope of Work of the Contract 6 would 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.

Contract 7 (NE/2014/03)

2.1.8 Contract 7 has awarded in December 2015 and the construction works of Contract 7 was commenced on 15 February 2016. Major Scope of Work of the Contract 7 would be included below:

Ÿ construction of the Hong Kong Special Administrative Region (HKSAR) portion of four vehicular bridge

Ÿ construction of one pedestrian bridge crossing Shenzhen (SZ) River (cross boundary bridges)

ArchSD Contract No. SS C505

2.1.9 SS C505 has awarded in July 2015 and construction work was commenced on 1 September 2015. Major Scope of Work of the SS C505 would be included below:

Ÿ passenger-related facilities including processing kiosks and examination facilities for private cars and coaches, passenger clearance building and halls, the interior fitting works for the pedestrian bridge crossing Shenzhen River, etc.;

Ÿ cargo processing facilities including kiosks for clearance of goods vehicles, customs inspection platforms, X-ray building, etc.;

Ÿ accommodation for the facilities inside of the Government departments providing services in connection with the BCP;

Ÿ transport-related facilities inside the BCP including road networks, public transport interchange, transport drop-off and pick-up areas, vehicle holding areas and associated road furniture etc;

Ÿ a public carpark; and

Ÿ other ancillary facilities such as sewerage and drainage, building services provisions and electronic systems, associated environmental mitigation measure and landscape 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.

Architectural Services Department (ArchSD)

2.2.3 ArchSD acts as the works agent for Development Bureau (DEVB), for Contract SS C505 Liantang/ Heung Yuen Wai Boundary Control Point (BCP) – BCP Buildings and Associated Facilities.

Environmental Protection Department (EPD)

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

Ronald Lu & Partners (Hong Kong) Ltd (The Architect)

2.2.5 Ronald Lu & Partners (Hong Kong) Ltd is appointed by ArchSD as an Architect for Contract SS C505 Liantang/ Heung Yuen Wai Boundary Control Point (BCP) – BCP Buildings and Associated Facilities. It responsible for overseeing the construction works of Contract SS C505 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 Architect with respect to EM&A are:

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

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

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

Ÿ Participate in joint site inspection by the ET and IEC

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

Ÿ Adhere to the procedures for carrying out complaint investigation

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

Engineer or Engineers Representative (ER)

2.2.6 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)

2.2.7 There will be one contractor for each individual works contract. Once the contractors are appointed, EPD, ET and IEC will be notified the details of the contractor.

2.2.8 The Contractor for Contracts under CEDD should report to the ER. For ArchSD Contract, the Contractor should report to the Architect or Architect’s Representative (AR). 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)

2.2.9 Once the ET is appointed, the EPD, CEDD, ER, Architect and IEC will be notified the details of the ET.

2.2.10 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 Architect, the lEC and Contractor 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)

2.2.11 One IEC will be employed for this Project. Once the IEC is appointed, EPD, ER, the Architect and ET will be notified the details of the IEC.

2.2.12 The Independent Environmental Checker (IEC) should not be in any way an associated body of the Contractor 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 appointment of IEC should be subject to the approval of EPD. The IEC should:

· 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

· Verify the log-book(s) mentioned in Condition 2.2 of the EP, notify the Director by fax, within one working day of receipt of notification from the ET Leader of each and every occurrence, change of circumstances or non-compliance with the EIA Report and/or the EP, which might affect the monitoring or control of adverse environmental impacts from the Project

· 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, the Architect, ET, lEC and the Contractor 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 IV;

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

2.4 Construction Progress

2.4.1 In the Reporting Period, the major construction activity conducted under the Project is located in Contracts 2, 3, 5, 6, 7 and SS C505 and they are summarized in below. Moreover, 3-month rolling construction program for all the current contracts is enclosed in Appendix C.

Contract 2 (CV/2012/08)

2.4.2 The contract commenced in May 2014. In this Reporting Period, construction activities conducted are listed below:

Mid-Vent Portal	Ÿ Tube excavation (NB + SB) Ÿ Adit invert slab Ÿ Ventilation building superstructure
North Portal	Ÿ Slope stabilization and retaining wall Ÿ Northbound top heading excavation and tunnel enlargement Ÿ Tunnel Boring Machine (TBM) excavation
South Portal	Ÿ Southbound and Northbound Drill and Blast (D&B) excavation Ÿ Building works superstructure
Admin Building	Ÿ Building works foundation

Contract 3 (CV/2012/09)

2.4.3 The Contract commenced in November 2013. In this Reporting Period, construction activities conducted are listed below:

Ÿ Cable detection and trial trenches

Ÿ Filling works at Tong Hang East

Ÿ Storm drain laying

Ÿ Noise barrier construction

Ÿ Pier / pier table construction

Ÿ Pile cap works

Ÿ Portal beam construction

Ÿ Pre-drilling

Ÿ Retaining Wall construction

Ÿ Road works at Fanling Highway

Ÿ Sewer works

Ÿ Tree felling works

Ÿ Utilities duct laying

Ÿ Viaduct segment erection

Ÿ Slope works

Ÿ Waterworks

Ÿ Pre-drilling works for noise barrier

Contract 4 (Contract number to be assigned)

2.4.4 The contract has not yet been awarded.

Contract 5 (CV/2013/03)

2.4.5 The Contract awarded in April 2013 and commenced on August 2013. In this Reporting Period, construction activities conducted are listed below:

Ÿ Construction of rising main (VO61) at existing Lin Ma Hang (LMH) Road

Ÿ Bituminous laying at L15 road and existing LMH road

Ÿ Additional works (Access Works) for Village House at RS4

Ÿ Brick laying at footpath of LMH road

Ÿ Planting at proposed and existing LMH road

Ÿ Installation of Underground Utility (UU) at proposed and existing LMH road

Ÿ Irrigation at proposed LMH Road

Ÿ Water works at existing LMH Road

Contract 6 (CV/2013/08)

2.4.6 Contract 6 has awarded in June 2015 and construction work was commenced on 23 October 2015. In this Reporting Period, construction activities conducted are listed below:

Ÿ Site Clearance

Ÿ Slope Works

Ÿ Site Accesses Construction

Ÿ Ground Investigation (GI) Works

Ÿ Soil nail

Ÿ Bored piling

Ÿ H-piling

Ÿ Pile cap construction

Ÿ Road surfacing

Contract 7 (NE/2014/03)

2.4.7 Contract 7 has awarded in December 2015 and construction work was commenced on 15 February 2016. In this Reporting Period, construction activities conducted are listed below:

Ÿ Ground Investigation Works for Bridge A-E

Ÿ Piling Works for Bridge B-D

Contract SS C505

2.4.8 Contract SS C505 has awarded in July 2015 and construction work was commenced on 1 September 2015. In this Reporting Period, construction activities conducted are listed below:

Ÿ General Site Setup

Ÿ Building no. 5 and 9 construction

Ÿ Assembly of Crawler Crane

Ÿ H-pile works

Ÿ Tower crane construction

Ÿ Erection of Welfare Shelter

Ÿ Underground drainage works

Ÿ Column and conduit works

Ÿ Weighbridge works

Ÿ Prototype “A” Construction works

Ÿ Mock Up Curtain Wall works

Ÿ Pile Cap construction

Ÿ Bored Pile works and pre-drill works

Ÿ Bridge construction works

2.5 Summary of Environmental Submissions

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

Ÿ Project Layout Plans of Contracts 2, 3, 5, 6, 7 and SS C505

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 2, 3, 5, 6, 7 and SS C505

Ÿ Contamination Assessment Plan (CAP) and Contamination Assessment Report (CAR) for Po Kat Tsai, Loi Tung and the workshops in Fanling

Ÿ Vegetation Survey Report

Ÿ Woodland Compensation Plan

Ÿ Habitat Creation Management Plan

Ÿ Wetland Compensation Plan

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
Item	Description	Ref. no.	Effective Date	Expiry Date
Contract 2
1	Air pollution Control (Construction Dust) Regulation	Ref No.: 368864	31 Dec 2013	Till Contract ends
2	Chemical Waste Producer Registration	*North Portal* Waste Producers Number: No.5213-652-D2523-01	25 Mar 2014	Till Contract ends
		*Mid-Vent Portal* Waste Producers Number: No.5213-634-D2524-01	25 Mar 2014	Till Contract ends
		*South Portal* Waste Producers Number: No.5213-634-D2526-01	9 Apr 2014	Till Contract ends
3	Water Pollution Control Ordinance - Discharge License	No.WT00018374-2014	8 Oct 2014	30 Sep 2019
		No.: W5/1I389	28 Mar 2014	31 Mar 2019
		No. WT00023063-2015	18 Dec 2015	31 Mar 2019
		No.: W5/1I392	28 Mar 2014	31 Mar 2019
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7019105	8 Jan 2014	Till Contract ends
5	Construction Noise Permit	GW-RN0738-15	18 Nov 2015	8 May 2016
		GW-RN0795-15	7 Dec 2015	6 Jun 2016
		GW-RN0893-15	01-Jan-2016	27-Jun-2016
		GW-RN0057-16	28-Feb-2016	27-May-2016
		GW-RN0059-16	24-Feb-2016	23-Apr-2016
		GW-RN0067-16	28-Feb-2016	27-May-2016
		GW-RN0068-16	23-Feb-2016	22-Apr-2016
		GW-RN0071-16	02-Feb-16	31-Jul-2016
		GW-RN0077-16	07-Feb-2016	06-Aug-2016
		GW-RN0167-16	18-Mar-2016	17-May-2016
		GW-RN0199-16	24-Mar-2016	17-Sep-2016
		GW-RN0323-16	30-Apr-2016	29-Jun-2016
		GW-RN0321-16	30-Apr-2016	29-Jun-2016
6	Specified Process License (Mortar Plant Operation)	L-3-251(1)	12-Apr-2016	11-Apr-2021
Contract 3
1	Air pollution Control (Construction Dust) Regulation	Ref. No: 362101	17 Jul 2013	Till Contract ends
2	Chemical Waste Producer Registration	Waste Producers Number: No.:5113-634-C3817-01	7 Oct 2013	Till Contract ends
3	Water Pollution Control Ordinance - Discharge License	No.:WT00016832 – 2013	28 Aug 13	31 Aug 2018
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7017914	2 Aug 13	Till Contract ends
5	Construction Noise Permit	GW-RN0892-15	9 Jan 2016	8 July 2016
		GW-RN0064-16	16 Feb 2016	13 Aug 2016
		GW-RN0086-16	16 Feb 2016	7 May 2016
		GW-RN0094-16	6 Mar 2016	22 May 2016
		GW-RN0096-16	6 Mar 2016	12 Jun 2016
		GW-RN0097-16	1 Mar 2016	17 Jun 2016
		GW-RN0098-16	1 Mar 2016	4 Sep 2016
		GW-RN0113-16	25 Feb 2016	24 Aug 2016
		GW-RN0115-16	1 Mar 2016	7 May 2016
		GW-RN0139-16	2 Mar 2016	24 Aug 2016
		GW-RN0140-16	2 Mar 2016	24 Aug 2016
		GW-RN0157-16	8 Mar 2016	7 Jun 2016
		GW-RN0158-16	8 Mar 2016	31 Aug 2016
		GW-RN0168-16	15 Mar 2016	14 Jun 2016
		GW-RN0170-16	11 Mar 2016	10 Sep 2016
		GW-RN0172-16	29 Mar 2016	8 Apr 2016
		GW-RN0218-16	6 April 2016	30 Sep 2016
		GW-RN0233-16	11 April 2016	10 Oct 2016
		GW-RN0244-16	16 April 2016	13 May 2016
		GW-RN0297-16	4 May 2016	30 June 2016
		GW-RN0303-16	30 April 2016	29 July 2016
		GW-RN0111-16	1 March 2016	30 Apr 2016
		GW-RN0169-16	15 Mar 2016	Cancelled on 28 Apr 2016
		GW-RN0309-16	30 April 2016	29 Oct 2016
Contract 5
1	Air pollution Control (Construction Dust) Regulation	Ref. No: 359338	13 May 2013	Till the end of Contract
2	Chemical Waste Producer Registration	Waste Producers Number No.: 5213-642-S3735-01	8 Jun 2013	Till the end of Contract
3	Water Pollution Control Ordinance - Discharge License	No.: W5/1G44/1	8 Jun 13	30 Jun 2018
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7017351	29 Apr 13	Till the end of Contract
Contract 6
1	Air pollution Control (Construction Dust) Regulation	Ref. No: 390614	29 Jun 2015	Till the end of Contract
2	Chemical Waste Producer Registration	Waste Producers Number No.: 5213-652-C3969-01	31 Aug 2015	Till the end of Contract
3	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7022707	9 Jul 2015	Till the end of Contract
4	Water Pollution Control Ordinance - Discharge License	Application is processing by EPD
5	Construction Noise Permit	GW-RN0681-15	26 Oct 2015	25 Apr 2016
6	Construction Noise Permit	GW-RN0683-15	26 Oct 2015	25 Apr 2016
Contract SS C505
1	Air pollution Control (Construction Dust) Regulation	Ref. No: 390974	13 Jul 2015	Till the end of Contract
2	Chemical Waste Producer Registration	Waste Producer No.: 5213-642-L1048-07	16 Sep 2015	Till the end of Contract
3	Water Pollution Control Ordinance - Discharge License	No.: WT00022774-2015	17 Nov 2015		30 Nov 2020
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7022831	23 Jul 2015	Till the end of Contract
5	Construction Noise Permit	PP-RN0013-16	14 April 2016	22 May 2016
		GW-RN0197-16	23 Mar 2016	22 May 2016
		GW-RN0209-16	23 Mar 2016	22 May 2016
		PP-RN0007-16	10 Mar 2016	9 May 2016
		PP-RN0027-15	5 Oct 2015	2 Apr 2016
Contract 7
1	Air pollution Control (Construction Dust) Regulation	Ref. No: 397015	21 Dec 2015			Till the end of Contract
2	Chemical Waste Producer Registration	Waste Producer No.: 5214-641-K3202-01	24 Mar 2016			Till the end of Contract
3	Water Pollution Control Ordinance - Discharge License	Application is processing by EPD
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	Account No. 7024129	21 Jan 2016			Till the end of Contract
5	Construction Noise Permit	GW-RN0162-16	23 Mar 2016			22 May 2016

3 Summary of Impact Monitoring Requirements

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 L_eq_(30min) in normal working days (Monday to Saturday) 07:00-19:00 except public holiday; and Ÿ 3 sets of consecutive L_eq_(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 (℃).
Water Quality	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
AM1b^	Open area at Tsung Yuen Ha Village	BCP	SS C505 Contract 5 Contract 7
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
AM4b^	House no. 10B1 Nga Yiu Ha Village	LMH to Frontier Closed Area	Contract 6
AM5a^	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
AM7b^@	Loi Tung Village House	Sha Tau Kok Road	Contract 2 Contract 6
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 AM9a to AM9b was submitted to EPD on 4 Nov 2013 after verified by the IEC and it was approved by EPD (EPD’s ref.: (15) in EP 2/N7/A/52 Pt.10 dated 8 Nov 2013).

* Proposal for the change of air quality monitoring location from AM1to AM1a was submitted to EPD on 24 March 2014 after verified by the IEC. It was approved by EPD (EPD’s ref.: (6) in EP 2/N7/A/52 Pt.12 dated 9 Jun 2014).

@ Proposal for the change of air quality monitoring location from AM7a to AM7b was submitted to EPD on 4 June 2014 after verified by the IEC. It was approved by EPD (EPD’s ref.: (7) in EP 2/N7/A/52 Pt.12 dated 9 Jun 2014).

^ Proposal for change of air quality monitoring locations was enclosed in the updated EM&A Programme which approval by EPD on 29 Mar 2016.

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	SS C505 Contract 5 Contract 7
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 Road	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. 80	Fanling	Contract 3

Table 3-4 Impact Monitoring Stations - Water Quality

Station ID	Description	Coordinates of Designated / Alternative Location		Nature of the location	Related to the Work Contract
WM1	Downstream of Kong Yiu Channel	833 679	845 421	Alternative location located at upstream 51m of the designated location	SS C505 Contract 5 Contract 6
WM1- Control	Upstream of Kong Yiu Channel	834 185	845 917	NA	SS C505 Contract 5 Contract 6
WM2A	Downstream of River Ganges	834 204	844 471	Alternative location located at downstream 81m of the designated location	Contract 6
WM2A- Controlx	Upstream of River Ganges	835 377	844 188	Alternative location located at upstream 160m of the designated location	Contract 6
WM2B	Downstream of River Ganges	835 433	843 397	NA	Contract 6
WM2B- Control	Upstream of River Ganges	835 835	843 351	Alternative location located at downstream 31m of the designated location	Contract 6
WM3x	Downstream of River Indus	836 206	842 270	Alternative location located at downstream 180m of the designated location	Contract 2 Contract 6
WM3- Control	Upstream of River Indus	836 763	842 400	Alternative location located at downstream 26m of the designated location	Contract 2 Contract 6
WM4	Downstream of Ma Wat Channel	833 850	838 338	Alternative location located at upstream 11m of the designated location	Contract 2 Contract 3
WM4– Control A	Kau Lung Hang Stream	834 028	837 695	Alternative location located at downstream 28m of the designated location	Contract 2 Contract 3
WM4– Control B	Upstream of Ma Wat Channel	833760	837395	Alternative location located at upstream 15m of the designated location	Contract 2 Contract 3

Note: EPD has approved the revised EM&A Programme on 29^th March 2016. If the measured water depth of the monitoring station is lower than 150 mm, alternative location (WM3x and WM2A-Controlx) based on the criteria were selected to perform water monitoring in accordance with the updated EM&A Programme (Rev. 05) (Section 4.1.4)

3.4 Monitoring Frequency and Period

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

3.4.1 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

3.4.2 One set of L_eq₍_30min) as 6 consecutive L_eq_(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 L_eq_(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

3.4.3 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*

* Instrument was used in the Reporting Period and the calibration certificate could be referred in Appendix F.

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.

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-31 or Rion NL-52*
Calibrator	B&K Type 4231* or Cesva CB-5* or Rion NC-74*
Portable Wind Speed Indicator	Testo Anemometer

* Instrument was used in the Reporting Period and the calibration certificate could be referred in Appendix F.

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:

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

• a 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 Professional Plus /YSI PRO20 Handheld Dissolved Oxygen Instrument* / YSI 550A Multifunctional Meter/ YSI Professional DSS*
pH meter	YSI Professional Plus / AZ8685 pH pen-style meter/ YSI 6820/ 650MDS/ YSI Professional DSS
Turbidimeter	Hach 2100Q/ YSI 6820/ 650MDS/ YSI Professional DSS
Sample Container	High density polythene bottles (provided by laboratory)
Storage Container	‘Willow’ 33-liter plastic cool box with Ice pad

* Instrument was used in the Reporting Period and the calibration certificate could be referred in Appendix F.

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 90^o 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 Tisch Environmental, Inc. Model TE-5170 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 25^oC, 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 (L_eq) 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 would be performed with the meter set to FAST response and on the A-weighted equivalent continuous sound pressure level(L_eq). Leq_(30min) in six consecutive Leq_(5min) measurements will use as the monitoring parameter for the time period between 0700-1900 hours on weekdays; and also Leq_(15min) in three consecutive Leq_(5min)measurements would be 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 is performed before and after the noise measurement.

Water Quality

3.6.9 Water quality monitoring is conducted at the designated or alternative locations. The sampling procedures 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 or tape measurement 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 or YSI Professional DSS is used for water in-situ measures, which automates the measurements and data logging of temperature, dissolved oxygen and dissolved oxygen saturation.

3.6.15 A portable AZ Model 8685 pH pen-style meter or YSI Professional DSS 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 or YSI Professional DSS is used for in-situ turbidity measurement. The turbidity meter is capable of measuring turbidity in the range of 0 – 1000 NTU.

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 analyzed Suspended Solids (SS) will be carried out by a local HOKLAS-accredited testing laboratory (ALS Technichem (HK) Pty Ltd HOKLAS registration no. 66). SS determination using APHA Standard Methods 2540D as specified in the EM&A Manual will start 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 would be 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 attached in Appendix F.

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)
Monitoring Station	1-hour TSP	24-hour TSP	1-hour TSP	24-hour TSP
AM1b	265	143	500	260
AM2	268	149
AM3	269	145
AM4b	267	148
AM5a	268	143
AM6	269	148
AM7b	275	156
AM8	269	144
AM9b	271	151

Table 3-9 Action and Limit Levels for Construction Noise

Monitoring Location	Action Level	Limit Level in dB(A)
Monitoring Location	Time Period: 0700-1900 hours on normal weekdays
NM1, NM2, NM3, NM4, NM5, NM6, NM7, NM8, NM9, NM10	When one or more documented complaints are received	75 dB(A)^{Note 1 & Note 2}

Note 1: Acceptable Noise Levels for school should be reduced to 70 dB(A) and65 dB(A) during examination period

Note 2: If works are to be carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the NCA have to be followed.

Table 3-10 Action and Limit Levels for Water Quality

Parameter	Performance criteria	Monitoring Location
Parameter	Performance criteria	WM1	WM2A	WM2B	WM3		WM4
DO (mg/L)	Action Level	⁽*⁾4.23	⁽**⁾4.00	⁽*⁾4.74	⁽**⁾4.00		⁽*⁾4.14
DO (mg/L)	Limit Level	^(#)4.19	⁽**⁾4.00	^(#)4.60	⁽**⁾4.00		^(#)4.08
Turbidity (NTU)	Action Level	51.3	24.9	11.4	13.4		35.2
	Action Level	AND 120% of upstream control station of the same day
	Limit Level	67.6	33.8	12.3	14.0		38.4
	Limit Level	AND 130% of upstream control station of the same day
SS (mg/L)	Action Level	54.5	14.6	11.8	12.6		39.4
	Action Level	AND 120% of upstream control station of the same day
	Limit Level	64.9	17.3	12.4	12.9	45.5
	Limit Level	AND 130% of upstream control station of the same day
*Remarks:* ⁽⁾The Proposed Action* Level of Dissolved Oxygen is adopted to be used 5%-ile of baseline data ⁽⁾The Proposed Action & Limit** Level of Dissolved Oxygen is used 4mg/L ^(#) The Proposed Limit Level of Dissolved Oxygen is adopted to be used 1%-ile of baseline data

3.8.2 Should non-compliance of the environmental quality criteria occurs, remedial actions will be triggered according to the Event and Action Plan which presented in Appendix G.

3.9 Data Management and Data QA/QC Control

3.9.1 All monitoring data will be handled by the ET’s in-house data recording and management system. The monitoring data recorded in the equipment will be downloaded directly from the equipment at the end of each monitoring day. The downloaded monitoring data will input into a computerized database maintained by the ET. The laboratory results will be input directly into the computerized database and checked by personnel other than those who input the data.

3.9.2 For monitoring parameters that require laboratory analysis, the local laboratory shall follow the QA/QC requirements as set out under the HOKLAS scheme for the relevant laboratory tests.

4 Air Quality Monitoring

4.1 General

4.1.1 In the Reporting Period, construction works under the project have been commenced in Contracts 2, 3, 5, 6, 7 and Contract SS C505. Hence, air quality monitoring was performed at all designated locations.

4.1.2 The air quality monitoring schedule is presented in Appendix H and the monitoring results are summarized in the following sub-sections.

4.2 Air Quality Monitoring Results in Reporting Month

4.2.1 In the Reporting Period, a total of 150 events of 1-hour TSP and 49 events 24-hours TSP monitoring were carried out and the monitoring results are summarized in Tables 4-1 to 4-9. The detailed 24-hour TSP monitoring data are presented in Appendix I and the relevant graphical plots are shown in Appendix J.

Table 4-1 Summary of 24-hour and 1-hour TSP Monitoring Results – AM1b

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
2-Apr-16	72	5-Apr-16	10:35	75	78	114
8-Apr-16	39	11-Apr-16	9:18	56	65	62
14-Apr-16	37	16-Apr-16	9:27	203	181	186
22-Apr-16	51	22-Apr-16	9:14	94	76	76
26-Apr-16	28	28-Apr-16	9:33	96	68	78
30-Apr-16	97
Average (Range)	54 (28 – 97)	Average (Range)		101 (56 – 203)

Table 4-2 Summary of 24-hour and 1-hour TSP Monitoring Results – AM2

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
2-Apr-16	138	5-Apr-16	10:13	106	108	118
8-Apr-16	106	11-Apr-16	9:38	69	64	73
14-Apr-16	38	16-Apr-16	9:35	187	212	193
20-Apr-16	104	22-Apr-16	9:26	83	74	76
26-Apr-16	44	28-Apr-16	9:31	98	89	91
30-Apr-16	132
Average (Range)	94 (38 – 138)	Average (Range)		109 (64 – 212)

Table 4-3 Summary of 24-hour and 1-hour TSP Monitoring Results – AM3

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
2-Apr-16	65	5-Apr-16	10:24	80	85	124
8-Apr-16	93	11-Apr-16	9:53	54	61	69
14-Apr-16	36	16-Apr-16	13:06	185	181	133
20-Apr-16	53	22-Apr-16	13:01	80	59	60
26-Apr-16	63	28-Apr-16	9:37	113	112	120
30-Apr-16	86
Average (Range)	66 (36 – 93)	Average (Range)		101 (54 – 185)

Table 4-4 Summary of 24-hour and 1-hour TSP Monitoring Results – AM4b

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
5-Apr-16	48	2-Apr-16	9:24	91	93	103
11-Apr-16	42	8-Apr-16	10:11	94	78	57
16-Apr-16	74	14-Apr-16	9:27	38	34	38
22-Apr-16	48	20-Apr-16	10:00	89	90	102
28-Apr-16	61	26-Apr-16	10:25	107	108	118
		30-Apr-16	8:49	82	71	82
Average (Range)	55 (42 – 74)	Average (Range)		82 (34 – 118)

Table 4-5 Summary of 24-hour and 1-hour TSP Monitoring Results – AM5a

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
5-Apr-16	28	2-Apr-16	9:37	93	97	107
11-Apr-16	31	8-Apr-16	10:09	80	64	44
16-Apr-16	47	14-Apr-16	9:31	43	41	49
22-Apr-16	26	20-Apr-16	10:34	91	92	109
28-Apr-16	54	26-Apr-16	10:21	100	77	98
		30-Apr-16	8:51	91	69	80
Average (Range)	37 (26 – 54)	Average (Range)		79 (41 – 109)

Table 4-6 Summary of 24-hour and 1-hour TSP Monitoring Results – AM6

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
5-Apr-16	94	2-Apr-16	9:45	67	67	87
11-Apr-16	65	8-Apr-16	9:51	112	98	97
16-Apr-16	55	14-Apr-16	9:39	38	34	41
22-Apr-16	46	20-Apr-16	10:35	87	86	93
28-Apr-16	108	26-Apr-16	9:51	98	91	93
		30-Apr-16	8:58	80	72	85
Average (Range)	74 (46 – 108)	Average (Range)		79 (34 – 112)

Table 4-7 Summary of 24-hour and 1-hour TSP Monitoring Results – AM7b

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
5-Apr-16	88	2-Apr-16	13:09	104	126	119
11-Apr-16	51	8-Apr-16	9:22	99	77	97
16-Apr-16	126	14-Apr-16	9:26	53	78	58
22-Apr-16	60	20-Apr-16	9:24	51	45	29
28-Apr-16	83	26-Apr-16	9:14	101	88	73
		30-Apr-16	13:05	87	71	80
Average (Range)	82 (51 –126)	Average (Range)		80 (29 – 126)

Table 4-8 Summary of 24-hour and 1-hour TSP Monitoring Results – AM8

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
5-Apr-16	43	2-Apr-16	13:38	107	93	102
11-Apr-16	25	8-Apr-16	13:03	97	78	98
16-Apr-16	66	14-Apr-16	13:03	57	70	56
22-Apr-16	39	20-Apr-16	13:09	52	44	30
28-Apr-16	43	26-Apr-16	13:10	108	96	80
		30-Apr-16	13:17	87	65	78
Average (Range)	43 (25 – 66)	Average (Range)		78 (30 -108)

Table 4-9 Summary of 24-hour and 1-hour TSP Monitoring Results – AM9b

Date	24-hour TSP (mg/m³)	1-hour TSP (mg/m³)
Date	24-hour TSP (mg/m³)	Date	Start Time	1^st reading	2^nd reading	3^rd reading
2-Apr-16	50	5-Apr-16	13:01	116	110	94
8-Apr-16	49	11-Apr-16	9:18	29	83	67
14-Apr-16	36	16-Apr-16	9:48	181	119	81
20-Apr-16	38	22-Apr-16	9:22	63	54	64
26-Apr-16	19	28-Apr-16	13:08	101	95	82
30-Apr-16	116
Average (Range)	51 (19 – 116)	Average (Range)		89 (29 – 181)

4.2.2 As shown in Tables 4-1 to 4-9, all the 1-hour TSP and 24-hour TSP monitoring results were below the Action/Limit Levels. No Notification of Exceedance (NOE) was issued in this Reporting Period.

4.2.3 The meteorological data during the impact monitoring days are summarized in Appendix K.

5 Construction Noise Monitoring

5.1 General

5.1.1 In the Reporting Period, construction works under the project have been commenced in Contracts 2, 3, 5, 6, 7 and Contract SS C505 and noise monitoring was performed at all designated locations.

5.1.2 The noise monitoring schedule is presented in Appendix H and the monitoring results are summarized in the following sub-sections.

5.2 Noise Monitoring Results in Reporting Month

5.2.1 In the Reporting Period, a total of 40 event noise measurements were carried out at the designated locations. The sound level meter was set in 1m from the exterior of the building façade including noise monitoring locations NM1, NM2, NM3, NM4, NM5, NM6, NM7, NM8 and NM9. Therefore, no façade correction (+3 dB(A)) is added according to acoustical principles and EPD guidelines. However, free-field status was performed at NM10 and façade correction (+3 dB(A)) has added according to the requirement in this month. The noise monitoring results at the designated locations are summarized in Tables 5-1 and 5-2. The detailed noise monitoring data are presented in Appendix I and the relevant graphical plots are shown in Appendix J.

Table 5-1 Summary of Construction Noise Monitoring Results

Construction Noise Level (L_eq30min), dB(A)
Date	NM1	NM2	NM8	NM9	*NM10⁽⁾**
5-Apr-16	64	64	58	58	66
11-Apr-16	57	59	65	67	68
22-Apr-16	55	67	59	60	73
28-Apr-16	62	60	59	61	64
Limit Level	75 dB(A)

Remarks

⁽*⁾ façade correction (+3 dB(A) is added according to acoustical principles and EPD guidelines

Table 5-2 Summary of Construction Noise Monitoring Results

Construction Noise Level (L_eq30min), dB(A)
Date	NM3	NM4	NM5	NM6	NM7
8-Apr-16	59	66	55	59	60
14-Apr-16	62	64	56	51	64
20-Apr-16	59	64	63	59	63
26-Apr-16	63	64	54	63	64
Limit Level	75 dB(A)					54

5.2.2 As shown in Tables 5-1 and 5-2, the noise level measured at all designated monitoring locations were below 75dB(A). Furthermore, there was no noise complaints (Action Level exceedance) received by the RE, CEDD, Architect/AR/ and the Contractors in the Reporting Period. Therefore, no Action or Limit Level exceedance was triggered and no corrective action was required.

6 Water Quality Monitoring

6.1 General

6.1.1 In the Reporting Period, construction works under the project has been commenced in Contracts 2, 3, 5, 6, 7 and Contract SS C505 and water quality monitoring was performed at all designated locations. The water quality monitoring schedule is presented in Appendix H. The monitoring results are summarized in the following sub-sections.

6.2 Results of Water Quality Monitoring

6.2.1 In the Reporting Period, a total of thirteen (13) sampling days was scheduled to carry out for all designated locations with their control stations. Except monitoring station WM4, total thirty-nine (39) Limit Level (LL) of water quality exceedances were respectively recorded at the monitoring stations WM1, WM2A, WM2B and WM3. According to “Event and Action Plan” stipulation, additional water quality monitoring days respectively were conducted four days for WM1 and its control station, three days for WM2A and its control station, five days for WM2B & WM3 and their control stations.

6.2.2 The key monitoring parameters including Dissolved Oxygen, Turbidity and Suspended Solids are summarized in Tables 6-1 to 6-5. Breaches of water quality monitoring criteria are shown in Table 6-6. Detailed monitoring database including in-situ measurements and laboratory analysis data are shown in Appendix I and the relevant graphical plot are shown in Appendix J.

Table 6-1 Water Quality Monitoring Results Associated of Contracts 2 and 3

Date	Dissolved Oxygen (mg/L)			Turbidity (NTU)			Suspended Solids (mg/L)
Date	WM4	WM4-CA	WM4-CB	WM4	WM4-CA	WM4-CB	WM4	WM4-CA	WM4-CB
2-Apr-16	8.4	8.6	6.8	11.1	208.0	11.0	15.0	100.0	21.5
5-Apr-16	7.4	8.2	5.9	11.0	60.2	10.0	18.5	75.0	12.5
7-Apr-16	7.3	8.2	6.0	10.5	8.1	6.2	15.5	7.5	10.5
9-Apr-16	6.9	8.0	5.3	20.0	32.2	16.1	36.0	44.5	26.0
11-Apr-16	7.5	8.1	5.8	18.8	5.5	10.4	21.0	4.5	14.0
14-Apr-16	7.5	8.3	6.5	25.6	6.9	14.9	28.0	7.0	17.0
16-Apr-16	7.3	8.1	5.9	13.3	9.3	15.2	14.0	6.0	19.5
18-Apr-16	7.4	8.2	7.0	28.5	13.6	17.9	16.5	9.0	13.0
20-Apr-16	7.6	8.3	6.6	14.9	8.2	14.1	13.5	8.0	15.5
22-Apr-16	7.4	8.1	7.0	45.1	22.8	39.3	43.0	23.0	37.0
26-Apr-16	7.3	8.0	6.7	15.1	10.8	10.4	11.0	3.5	10.0
28-Apr-16	7.4	8.0	6.5	14.6	12.8	14.9	23.5	9.5	24.0
30-Apr-16	8.3	8.7	7.8	11.2	8.6	5.6	5.5	13.5	19.5

Table 6-2 Water Quality Monitoring Results Associated of Contracts 5, 6 and SS C505

Date	Dissolved Oxygen (mg/L)		Turbidity (NTU)		Suspended Solids (mg/L)
Date	WM1	WM1- Control	WM1	WM1- Control	WM1	WM1- Control
2-Apr-16	7.5	8.1	26.2	9.9	40.5	9.0
5-Apr-16	7.3	7.3	124.5	19.3	220.0	39.5
6-Apr-16^#	--	--	108.0	9.3	269.0	16.0
7-Apr-16	7.6	8.2	94.1	7.7	150.5	5.5
8-Apr-16^#	--	--	101.8	9.6	298.0	10.0
9-Apr-16	7.8	8.3	49.9	6.8	54.0	11.0
11-Apr-16	8.1	7.6	82.2	18.6	125.0	18.5
12-Apr-16^#	--	--	24.9	13.1	33.0	17.0
13-Apr-16^#	--	--	71.0	106.0	74.0	114.0
14-Apr-16	7.5	8.0	19.9	9.3	42.0	11.0
16-Apr-16	7.9	7.8	15.1	9.9	19.5	11.0
18-Apr-16	7.3	7.5	164.5	607.5	147.5	470.0
20-Apr-16	7.6	7.9	23.2	9.3	22.5	8.0
22-Apr-16	8.2	8.0	578.0	556.5	530.0	495.0
26-Apr-16	6.3	7.0	24.4	14.6	26.0	13.0
28-Apr-16	7.6	7.9	35.4	10.5	50.5	9.0
30-Apr-16	7.9	7.6	16.2	10.6	21.5	11.5

*Remarks:*	bold with underline indicated Limit Level exceedance
	^# Additional water quality monitoring at the exceeded location(s) due to two consecutive monitoring days indicated Limit Level exceedance.

Table 6-3 Water Quality Monitoring Results Associated only Contract 6

Date	Dissolved Oxygen (mg/L)				Turbidity (NTU)				Suspended Solids (mg/L)
Date	WM2A	WM2A- C	WM2B	WM2B- C	WM2A	WM2A- C	WM2B	WM2B- C	WM2A	WM2A- C	WM2B	WM2B- C
2-Apr-16	8.4	8.4	8.5	8.3	19.9	4.1	6.4	2.8	13.0	<2	10.5	<2
5-Apr-16	8.1	8.1	8.4	7.8	17.5	5.8	10.8	4.2	12.0	3.5	11.0	5.5
7-Apr-16	8.2	8.0	8.3	7.9	18.3	4.3	790.0	4.9	11.5	<2	806.0	<2
8-Apr-16^#	--	--	--	--	--	--	8.4	3.2	--	--	9.5	<2
9-Apr-16	8.4	7.9	8.1	7.8	10.9	3.8	3.6	3.7	14.5	2.0	3.0	<2
11-Apr-16	8.4	8.5	8.2	7.9	68.6	6.5	10.8	3.2	93.5	<2	17.0	<2
12-Apr-16^#	--	--	--	--	23.8	4.7	--	--	14.0	<2	--	--
13-Apr-16^#	--	--	--	--	103.0	23.3	--	--	104.0	22.0	--	--
14-Apr-16	8.4	8.2	8.7	7.4	17.6	4.4	73.1	7.4	20.5	3.0	120.0	3.5
16-Apr-16	8.1	8.3	8.4	7.4	8.8	4.7	10.0	4.5	5.5	<2	4.0	4.0
18-Apr-16	8.1	7.9	8.6	7.4	83.6	19.9	7.2	5.4	84.0	9.5	10.0	2.0
19-Apr-16^#	--	--	--	--	22.6	6.0	--	--	26.0	2.0	--	--
20-Apr-16	8.2	8.3	8.9	7.4	20.3	4.3	12.5	2.1	14.0	2.5	13.0	<2
21-Apr-16^#	--	--	--	--	--	--	10.8	4.0	--	--	11.0	4.0
22-Apr-16	8.2	8.5	8.5	7.3	56.0	48.9	136.5	7.9	92.5	27.5	135.0	8.0
23-Apr-16^#	--	--	--	--	--	--	<1000	3.2	--	--	934.0	<2
25-Apr-16^#	--	--	--	--	--	--	77.1	3.1	--	--	75.0	5.0
26-Apr-16	7.6	8.3	8.4	7.4	15.5	4.7	175.0	3.9	14.0	3.0	138.5	4.5
27-Apr-16^#	--	--	--	--	--	--	10.9	3.3	--	--	10.0	<2
28-Apr-16	7.8	7.9	8.0	7.3	17.9	5.8	9.5	3.8	12.0	2.5	10.5	3.0
30-Apr-16	8.1	8.3	8.7	7.5	21.7	5.3	9.3	3.2	13.5	<2	7	<2

*Remarks:*	bold with underline indicated Limit Level exceedance
	^# Additional water quality monitoring at the exceeded location(s) due to two consecutive monitoring days indicated Limit Level exceedance.

Table 6-4 Water Quality Monitoring Results Associated Contracts 2 and 6

Date	Dissolved Oxygen (mg/L)		Turbidity (NTU)		Suspended Solids (mg/L)
Date	WM3	WM3- Control	WM3	WM3- Control	WM3	WM3- Control
1-Apr-16^#	--	--	7.1	6.0	16.0	14.0
2-Apr-16	8.6	8.4	44.6	4.9	87.5	6.5
5-Apr-16	8.0	7.4	13.1	3.9	14.0	51.0
6-Apr-16^#	--	--	7.2	4.0	9.0	7.0
7-Apr-16	7.8	7.0	4.8	3.9	5.5	5.0
9-Apr-16	7.8	7.2	5.8	3.5	4.0	2.5
11-Apr-16	8.1	7.7	8.2	3.4	9.5	5.5
14-Apr-16	7.6	7.4	6.4	7.5	7.5	16.0
16-Apr-16	7.1	7.5	18.9	<1000	30.5	4485.0
18-Apr-16	7.1	7.6	31.4	30.1	26.5	221.5
20-Apr-16	7.3	6.9	20.1	5.8	22.0	25.5
21-Apr-16^#	--	--	28.0	9.8	13.0	58.0
22-Apr-16	7.3	7.7	86.8	50.4	78.0	197.0
23-Apr-16^#	--	--	34.6	149.5	56.0	408.0
25-Apr-16^#	--	--	12.2	7.4	22.0	53.0
26-Apr-16	7.2	6.9	8.9	9.8	9.5	149.5
28-Apr-16	7.4	7.4	8.0	32.2	8.0	173.0
30-Apr-16	8.3	8.1	22.4	488.0	61.0	898.5

*Remarks:*	bold with underline indicated Limit Level exceedance
	^# Additional water quality monitoring at the exceeded location(s) due to two consecutive monitoring days indicated Limit Level exceedance.

Table 6-5 Breaches of Water Quality Monitoring Criteria in Reporting Period

Location	Dissolved Oxygen		Turbidity		Suspended Solids		Total Exceedance
Location	Action	Limit	Action	Limit	Action	Limit	Action	Limit
WM1	0	0	0	5	0	5	0	10
WM2A	0	0	0	3	0	6	0	9
WM2B	0	0	0	7	0	8	0	15
WM3	0	0	0	4	0	1	0	5
WM4	0	0	0	0	0	0	0	0
No of Exceedance	0	0	0	19	0	20	0	39

6.2.3 In this Reporting Period, a total of thirty-nine (39) Limit Level (LL) exceedances, namely nineteen (19) LL exceedances of turbidity and twenty (20) LL exceedances of Suspended Solids were recorded for the Project and they are summarized in Table 6-5.

6.2.4 NOE was issued to relevant parties upon confirmation of the monitoring result. The cause of exceedance is summarized in Table 6-6 accordance to investigation findings and the detailed investigation reports for the exceedances are attached in Appendix N.

Table 6-6 Summary of Water Quality Exceedance in the Reporting Period

Date of Exceedance	Location	Exceeded Parameter	Cause of Water Quality Exceedance
5^th, 6^th, 7^th, 8^th and 11^th April 2016	WM1 (C5, C6 and SS C505)	NTU & SS	According to field photo records as provided by ET, accumulation of rubbish were observed at the screening steel bar of box culvert near WM1 on 4 April 2016 after heavy rainstorm. Water flow near WM1 was therefore retarded and turbid water would be cumulated at WM1. Considered that the exceedances were unlikely related or due to the works of Contracts 5, 6 and SS C505.
11^th, 13^th, 14^th, 18^th, 19^th and 22^nd April 2016	WM2A (C6)	NTU and/or SS	According to the site information provided from the CCKJV, construction activities carried out on 11^th, 13^th and 18^th April 2016 at Bridge D (upstream of WM2A) were mainly piling works. Wastewater treatment facilities including one AquaSed and three series of sedimentation tank have been installed for piling work. Ÿ As reported by CCKJV, since too much silt accumulated inside the sedimentation tank, the quality of effluent was not desirable and some turbid effluent was discharged into Ping Yuen River on *11^th April 2016. So, the exceedance should relate Contract 6 since turbid effluent flowed into Ping Yuen River from working area. Ÿ According to the daily meteorological information as extracted from the Hong Kong Observatory, a total rainfall 76.4 mm was recorded on 13 April 2016 and 23.7 mm on 18 April 2016. Due to the heavy rainfall, the soil slope at the river side was eroded and ran into the Ping Yuen River and muddy water was observed after passing the suspected soil erosion point. Hence, exceedances as recorded on 13^th, 14^th, 18^th, 19^th and 22^nd April 2016* are unlikely related the C6 construction activities.
7^th, 11^th, 14^th, 20^th, 22^nd, 23^rd, 25^th and 26^th April 2016	WM2B (C6)	NTU and/or SS	According to the site information as provided by C6, construction activities carried out at North Portal (upstream of WM2B) in the reporting period was included the piling and slope works. Daily self-monitoring has conducted by the Contractor to ensure effluent is fully compliance with the TM criteria. Ÿ Water monitoring on 7 April 2016 at WM2B, ET observed that water flowing in channel and the samples collected at WM2B was turbid. Daily effluent self-monitoring was recorded visually clear. However, the silt cumulated at the channel bed or the screen gate was stirred-up by the flow of discharge from the AquaSed. Then the mixture of silt and treated water was overflow to the downstream. So the exceedance was not due to C6 construction activities. Ÿ On 11^th and 20^th April 2016, around 20mm shallow water deep encountered during water sampling. Moreover, the water flowing in the channel and the water samples collected at WM2B was observed visually clear. Consider that the water sample could not avoid inclusion of the loose sediment and debris and concluded the exceedance not due to C6 construction activities. Ÿ According to the site record from the monitoring team on 14 April 2016, very shallow water was measured at WM2B and the water depth was around 0.02m and water sampling during rainfall and it was observed that the water flowing in the open channel was slightly turbid due to stir up of sediment and cumulated silt at the river bed during rain. So, the exceedance was not due to C6 construction activities. Ÿ According to the site photos taken on 22, 23, 25 and 26 April 2016 by the ET, it was observed that the water samples collected at WM2B were turbid while water samples collected at WM2B-C were clear. As extracted from the Hong Kong Observatory, heavy rainfall was recorded 22^nd and 25^th April 2016. Hence, runoff was generated from the excavating areas during the rainfall and the turbid water was flowed into river channel. Thus, it is considered that the exceedances recorded on 22, 23, 25 and 26 April 2016 were related to runoff from the excavation work of site access construction.
2^nd, 20^th, 21^st and 22^nd April 2016	WM3 (C2 and C6)	NTU and/or SS	Ÿ The exceedance recorded on 2 April 2016 caused by turbid water discharge from the unknown outfall. Hence, the exceedance triggered unlikely due to the works under Contracts 2 and 6. Ÿ According to the site information respectively came from the Contractors of C2 and C6, major construction activities carried out on 20, 21, 22 April 2016 at upstream of WM3 was bored pile works for C6 and rebar fixing and concreting at admin building for C2. Site observation recorded by ET during monitoring, the water quality at WM3 was slightly turbid on 20 and 21 April 2016 but turbid water on 22 April 2016. For investigation, the Contractor of C2 said that no discharge was made from the construction admin building. However, site inspection by RE, ET, IEC and the Contractor of C6 on 21 April 2016, the AquaSed (SH-8) which located upstream of W3, was found to have turbid treated effluent. As reported by the Contractor of C6, the AquaSed(SH-8) was running out of flocculent thus effectiveness of the water treatment was reduced. Hence, the exceedance triggered likely due to the works of Contract 6 for effluent discharge.

6.2.5 There are five investigation reports for the exceedances are under review by IEC.

7 Waste Management

7.1 General Waste Management

7.1.1 Waste management was carried out in accordance with the Waste Management Plan (WMP) for each contract.

7.2 Records of Waste Quantities

7.2.1 All types of waste arising from the construction work are classified into the following:

l Construction & Demolition (C&D) Material;

l Chemical Waste;

l General Refuse; and

l Excavated Soil.

7.2.2 The quantities of waste for disposal in this Reporting Period are summarized in Tables 7-1 and 7-2 and the Monthly Summary Waste Flow Table is shown in Appendix L. Whenever possible, materials were reused on-site as far as practicable.

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

Type of Waste

Contract 2

Contract 3

Contract 5

Contract 6

Contract 7

Contract SS C505

Total Quantity

Qty.

Disposal location

Qty.

Disposal location

Qty.

Disposal location

Qty.

Disposal location

Qty.

Disposal location

Qty.

Disposal location

C&D Materials (Inert)

(in '000m³)

86.9048

0.472

33.767

0.313

0.1105

121.5673

Reused in this Contract (Inert)

(in '000 m³)

0.7045

0.018

1.933

2.6555

Reused in other Contracts/ Projects (Inert)

(in '000 m³)

32.8811

C6/ NENT# & other projects approved by the ER

5.759

C5 & other projects approved by the ER

38.6401

Disposal as Public Fill (Inert)

(in '000 m³)

53.3191

Tuen Mun 38

0.408

Tuen Mun 38

26.075

Tuen Mun 38

0.313

Tuen Mun 38

0.1105

TKO 137

80.2256

Remark #: The C&D materials were delivered to NENT for reuse by laying cover of the landfilling area.

Table 7-2 Summary of Quantities of C&D Wastes for the Project

Type of Waste	Contract 2		Contract 3		Contract 5		Contract 6		Contract 7		Contract SS C505		Total Quantity
Type of Waste	Qty.	Disposal location	Qty.	Disposal location	Qty.	Disposal location	Qty.	Disposal location	Qty.	Disposal location	Qty.	Disposal location	Total Quantity
Recycled Metal (‘000kg) #	0.002	-	0	-	0	--	0	--	0	--	1465.59	Licensed collector	1465.59
Recycled Paper / Cardboard Packing (‘000kg) #	0.4	-	0	-	0	--	0.221	Licensed collector	0	--	0.09	Licensed collector	0.311
Recycled Plastic (‘000kg) #	0	--	0	-	0	--	0	--	0	--	0	--	0
Chemical Wastes (‘000kg) #	0.704	Licensed collector	0	-	0	--	0	--	0	--	0	--	0.704
General Refuses (‘000m³)	0.1306	NENT	0.135	NENT	0.03	NENT	0.07	NENT	0.005	--	0.091	NENT	0.4616

Remark #: Unit of recycled metal, recycled paper/ cardboard packing, recycled plastic and chemical waste for Contract 3 was in (‘000m³).

8 Site Inspection

8.1 requirements

8.1.1 According to the approved EM&A Manual, the environmental site inspection shall be formulation by ET Leader. Weekly environmental site inspections should carry out to confirm the environmental performance.

8.2 Findings / Deficiencies During the Reporting Month

Contract 2

8.2.1 In the Reporting Period, joint site inspection for Contract 2 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 1, 8, 15, 22, 29 April 2016. No non-compliance was noted.

8.2.2 The findings / deficiencies of Contract 2 that observed during the weekly site inspection are listed in Table 8-1.

Table 8-1 Site Observations for Contract 2

Date	Findings / Deficiencies	Follow-Up Status
1 April 2016	Ÿ Dust mitigation measures should be provided when loading, breaking or unloading materials to reduce dust impact. (South Portal)	Ÿ Watering provided to all breaking activities and dusty operations.
8 April 2016	Ÿ No adverse environmental issue was observed.	NA
15 April 2016	Ÿ Oil drums without drip tray was observed. Drip tray should be provided for all chemical containers storage on site. (Administrative building)	Ÿ The captioned oil drums were removed from the site
22 April 2016	Ÿ No adverse environmental issue was observed.	NA
29 April 2016	Ÿ No adverse environmental issue was observed.	NA

Contract 3

8.2.3 In the Reporting Period, joint site inspection for Contract 3 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 6, 11, 20 and 25 April 2016. No non-compliance was noted.

8.2.4 The findings / deficiencies of Contract 3 that observed during the weekly site inspection are listed in Table 8-2.

Table 8-2 Site Observations for Contract 3

Date	Findings / Deficiencies	Follow-Up Status
6 April 2016	Ÿ Stagnant water was observed at Pier AC5. The Contractor should remove the stagnant water or add larvicidal oil as temporary measure to prevent mosquito breeding.	Ÿ Larvicide was applied to prevent mosquito breeding.
11 April 2016	Ÿ No adverse environmental issue was observed.	Ÿ NA
20 April 2016	Ÿ Stagnant water cumulated inside the lifting eyes of the concrete block was observed. The contractor should fill sand inside the lifting eye to prevent stagnant water accumulation. (Pier AD9) Ÿ Drip tray for a generator missing a plug was observed. The contractor should plug the drip tray to prevent chemical waste inside spillage on ground. (SA14)	Ÿ Sand was filled into the lifting eye of concrete block to avoid stagnant water accumulation. Ÿ Plug was provided for the drip tray to prevent chemical waste spillage.
25 April 2016	Ÿ No adverse environmental issue was observed. Ÿ The Contractor was reminded to carry out regular maintenance work for the generator at PC5 to avoid continuous smoke emission.	Ÿ NA Ÿ Not required for reminder.

Contract 5

8.2.5 In the Reporting Period, joint site inspection for Contract 5 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 5, 12, 19, 26 April 2016. No non-compliance was noted.

8.2.6 The findings / deficiencies of Contract 5 that observed during the weekly site inspection are listed in Table 8-3.

Table 8-3 Site Observations for Contract 5

Date	Findings / Deficiencies	Follow-Up Status
5 April 2016	Ÿ No adverse environmental issue was observed.	Ÿ NA
12 April 2016	Ÿ No adverse environmental issue was observed.	Ÿ NA
19 April 2016	Ÿ Stagnant water cumulated inside the constructing u-channel was observed. The Contractor should drain away to prevent mosquito breeding.	Ÿ Larvicidal oil has been sprayed into the stagnant water.
26 April 2016	Ÿ No adverse environmental were observed.	Ÿ NA

Contract 6

8.2.7 In the Reporting Period, joint site inspection for Contract 6 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 7, 14, 21, 28 April 2016. No non-compliance was noted.

8.2.8 The findings / deficiencies of Contract 6 that observed during the weekly site inspection are listed in Table 8-4.

Table 8-4 Site Observations for Contract 6

Date	Findings / Deficiencies	Follow-Up Status
7 April 2016	Ÿ Smoke emission from a power generator at BCP was observed, the Contractor should provide maintenance or replace it. Ÿ Stagnant water at a pit in BCP was observed, the Contractor should remove the stagnant water to prevent mosquito breeding.	Ÿ Exhaust filter of the air compressor has been replaced. Ÿ Stagnant water has been removed.
14 April 2016	Ÿ Tree without fencing was observed at STKC2P2, the Contractor should provide tree protection zone. Ÿ The Contractor was reminded to display NEL and NRMM for new air compressor at BCP.	Ÿ Tree protection zone has been set up. Ÿ Not required for reminder
21 April 2016	Ÿ The AquaSeds (SH-8) at Bridge A should be maintained regularly and make sure the quality of the effluent is complied with the requirements of the draft application license. Ÿ The Contractor was reminded to remove stagnant water in drip tray as raining season has arrived. Ÿ	Ÿ Maintenance of the AquaSed (SH-8) has been carried out and effluent quality has been improved. Ÿ Not required for reminder.
28 April 2016	Ÿ Smoke emitted from an air compressor at Bridge D was observed, the Contractor should provide maintenance to prevent smoke emission.	Ÿ Air compressor at Bridge D was maintained. No smoke emission was observed.
	Ÿ At site area Bridge D, turbid water discharged from an AquaSed (SH-15) was observed, JV has therefore immediately stopped the operation of the AquaSed and agreed to modify and review the performance of the wastewater treatment before resume the operation.	Ÿ Maintenance work was carried out and the quality of effluent was improved.
	Ÿ A tree without proper fencing at Bridge B was found, the Contractor should fence off the tree and provide a tree protection zone.	Ÿ Proper fencing for tree at Bridge B was provided.

Contract SS C505

8.2.9 In the Reporting Period, joint site inspection for Contract SS C505 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 6, 13, 20, 27 April 2016. No non-compliance was noted.

8.2.10 The findings / deficiencies of Contract SS C505 that observed during the weekly site inspection are listed in Table 8-5.

Table 8-5 Site Observations for Contract SS C505

Date	Findings / Deficiencies	Follow-Up Status
6 April 2016	Ÿ Stagnant water was observed at Portion 1. The Contractor should remove the stagnant water to prevent mosquito breeding.	Ÿ Stagnant water was pumped away and the uneven ground was filled with soil to avoid stagnant water being stored.
13 April 2016	Ÿ Overflow of wastewater from AquaSed at Portion 1 was observed. The Contractor should review the wastewater treatment system and ensure no overflow of wastewater.	Ÿ No overflow of wastewater from the AquaSed was observed.
20 April 2016	Ÿ Stagnant water was observed near PTB at Portion 1. The Contractor should remove the stagnant water to prevent mosquito breeding.	Ÿ Stagnant water accumulated in the storage area in PTB at Portion 1 was cleared by water pump.
27 April 2016	Ÿ No adverse environmental issue was observed.	NA

Contract 7

8.2.11 In the Reporting Period, joint site inspection for Contract 7 to evaluate the site environmental performance has been carried out by the RE, IEC, ET and the Contractor on 5, 12, 19, 26 April 2016. No non-compliance was noted.

8.2.12 The findings / deficiencies of Contract 7 that observed during the weekly site inspection are listed in Table 8-6.

Table 8-6 Site Observations for Contract 7

Date	Findings / Deficiencies	Follow-Up Status
5 April 2016	Ÿ No adverse environmental issue was observed.	NA
12 April 2016	Ÿ No adverse environmental issue was observed.	NA
19 April 2016	Ÿ The Contractor was reminded that the chemical containers should be avoided to be placed nearby the river.	Ÿ Not required for reminder.
26 April 2016	Ÿ No adverse environmental issue was observed.	NA

8.2.13 Overall, general housekeeping such as daily site tidiness and cleanliness should be maintained for all Contracts. Furthermore, the Contractors were reminded to implement Waste Management Plan of the Project.

Other Contracts

8.2.14 Since Contract 4 has not yet commenced, no site inspection were performed.

9 Environmental Complaint and Non-Compliance

9.1 Environmental Complaint, Summons and Prosecution

9.1.1 In the Reporting Period, no summons and prosecution under the EM&A Programme was lodged for Contracts 2, 3, 5, 6, 7 and Contract SS C505. However, a total of five (5) documented environmental complaint was received in the reporting month on between 22^nd and 29^th by EPD or CEDD or RE regarding water pollution and construction dust issues at Sha Tau Kok Road and Wo Keng Shan Road.

9.1.2 Upon receipt of the complaints, RE, IEC and ET with the relevant Contractors has immediately undertaken investigation. In the Reporting Period, all complaints of investigation are not yet completed and ongoing. The detail of complaints is presented below.

Investigation Result for the Documented Complaints received by CEDD on 22 April 2016

9.1.3 On 22 April 2016, CEDD received a complaint regarding to the direct discharge of wastewater into the manhole. This complaint is under investigation and the result will be presented in the coming monthly EM&A report.

Investigation Result for the Documented Complaints received by CEDD on 20 April 2016

9.1.4 On 20 April 2016, CEDD received a complaint from the Sha Tau Kok District Rural Committee expressing their concerns with respect to discharge of suspected untreated muddy water from the construction sites at Wo Keng Shan Road and Sha Tau Kok Road into the existing river channel. The discharge of muddy water causing water pollution and accumulation of silt and sediment in the river channel which affecting the livelihood of the nearby resident. This complaint is under investigation and the result will be presented in the coming monthly EM&A report.

Investigation Result for the Documented Complaints received by CEDD on 22 April 2016

9.1.5 On 22 April 2016, CEDD received a complaint from Sha Tau Kok District Rural Committee expressing their concerns with respect to pumping water from the exiting river channel near Ping Yuen Road for construction purpose without prior notice to villager and discharging suspected untreated muddy water into the river channel. It seriously affects the villagers especially for those making life on agriculture. Moreover, the construction causing loss of groundwater source which highly affecting the livelihood of the villagers who making life on farming. This complaint is under investigation and the result will be presented in the coming monthly EM&A report.

Investigation Result for the Documented Complaints received by 1823 on 21 April 2016

9.1.6 A complaint was received from 1823 on 21 April 2016 and passed to CEDD and EPD. The complaint location is the construction site of junction of Sha Tau Kok Road and Wo Keng Shan Road (Loi Tung Village). There are two concerns. Firstly, dust generated from the site affected the nearby farmlands. It is suspected that the dump trucks getting out of the site had not been washed in wheel washing facilities. And the site had not carried out water spraying on the excavated materials. Besides, it is suspected that the Contractor discharged wastewater directly into the storm drain, affecting the residents and farmers of Tai Tong Wu. This complaint is under investigation and the result will be presented in the coming monthly EM&A report.

Investigation Result for the Documented Complaints received by 1823 on 28 April 2016

9.1.7 A complaint was received on 28 April 2016 from 1823 regarding to the muddy water discharged from the construction sites under Contract 6 affected the growth of crops. This complaint is under investigation and the result will be presented in the coming monthly EM&A report.

9.1.8 The statistical summary table of environmental complaint is presented in Tables 9-1, 9-2 and 9-3.

Table 9-1 Statistical Summary of Environmental Complaints

Reporting Period	Contract No	Environmental Complaint Statistics
Reporting Period	Contract No	Frequency	Cumulative	Complaint Nature
19 May 2014 – 31 Mar 2016	Contract 2	0	14	Ÿ (6) Water Quality Ÿ (6) Dust Ÿ (2) Noise
06 Nov 2013 – 31 Mar 2016	Contract 3	0	4	Ÿ (1) Dust Ÿ (2) Water quality Ÿ (1) Noise
16 Aug 2013 – 31 Mar 2016	Contract 5	0	2	Ÿ (2) Dust
16 Aug 2013 – 31 Mar 2016	Contract 6	0	7	Ÿ (6) Water Quality Ÿ (1) Dust
15 Feb 2016 – 31 Mar 2016	Contract 7	0	0	N/A
16 Aug 2013 – 31 Mar 2016	SS C505	0	0	N/A
1 – 30 Apr 2016	Contract 2	1	16	Ÿ (7) Water Quality Ÿ (7) Dust Ÿ (2) Noise
	Contract 3	0	4	Ÿ (1) Dust Ÿ (2) Water quality Ÿ (1) Noise
	Contract 5	0	2	Ÿ (2) Dust
	Contract 6	5	12	Ÿ (11) Water Quality Ÿ (1) Dust
	Contract 7	0	0	N/A
	SS C505	0	0	N/A

Table 9-2 Statistical Summary of Environmental Summons

Reporting Period	Contract No	Environmental Summons Statistics
Reporting Period	Contract No	Frequency	Cumulative	Complaint Nature
19 May 2014 – 31 Mar 2016	Contract 2	0	0	NA
06 Nov 2013 – 31 Mar 2016	Contract 3	0	0	NA
16 Aug 2013 – 31 Mar 2016	Contract 5	0	0	NA
16 Aug 2013 – 31 Mar 2016	Contract 6	0	0	NA
15 Feb 2016 – 31 Mar 2016	Contract 7	0	0	NA
16 Aug 2013 – 31 Mar 2016	SS C505	0	0	NA
1 – 30 Apr 2016	Contract 2	0	0	NA
	Contract 3	0	0	NA
	Contract 5	0	0	NA
	Contract 6	0	0	NA
	Contract 7	0	0	NA
	SS C505	0	0	NA

Table 9-3 Statistical Summary of Environmental Prosecution

Reporting Period	Contract No	Environmental Prosecution Statistics
Reporting Period	Contract No	Frequency	Cumulative	Complaint Nature
19 May 2014 – 31 Mar 2016	Contract 2	0	0	NA
06 Nov 2013 – 31 Mar 2016	Contract 3	0	0	NA
16 Aug 2013 – 31 Mar 2016	Contract 5	0	0	NA
16 Aug 2013 – 31 Mar 2016	Contract 6	0	0	NA
15 Feb 2016 – 31 Mar 2016	Contract 7	0	0	NA
16 Aug 2013 – 31 Mar 2016	SS C505	0	0	NA
1 – 30 Apr 2016	Contract 2	0	0	NA
	Contract 3	0	0	NA
	Contract 5	0	0	NA
	Contract 6	0	0	NA
	Contract 7	0	0	NA
	SS C505	0	0	NA

The Other Contracts

9.1.9 Since the construction works at the Contract 4 has not yet commenced, no environmental complaint, summons and prosecution under the EM&A Programme are registered in the Reporting Period.

10 Implementation Status of Mitigation Measures

10.1 General Requirements

10.1.1 The environmental mitigation measures that recommended in the Implementation Schedule for Environmental Mitigation Measures (ISEMM) in the approved EM&A Manual covered the issues of dust, noise, water and waste and they are summarized presented in Appendix M.

10.1.2 All contracts under the Project shall be implementing the required environmental mitigation measures according to the approved EM&A Manual as subject to the site condition. Environmental mitigation measures generally implemented by Contracts 2, 3, 5, 6, 7 and Contract SS C505 in this Reporting Period are summarized in Table 10-1.

Table 10-1 Environmental Mitigation Measures

Issues	Environmental Mitigation Measures
Water Quality	· Wastewater to be treated by the wastewater treatment facilities i.e. sedimentation tank or similar facility before discharge.
Air Quality	· Maintain damp / wet surface on access road · Low vehicular speed within the works areas. · All vehicles must use wheel washing facility before off site · Sprayed water during breaking works · A cleaning truck was regularly performed on the public road to prevent fugitive dust emission
Noise	· Restrain operation time of plants from 07:00 to 19:00 on any working day except for Public Holiday and Sunday. · Keep good maintenance of plants · Place noisy plants away from residence or school · Provide noise barriers or hoarding to enclose the noisy plants or works · Shut down the plants when not in used.
Waste and Chemical Management	· On-site sorting prior to disposal · Follow requirements and procedures of the “Trip-ticket System” · Predict required quantity of concrete accurately · Collect the unused fresh concrete at designated locations in the sites for subsequent disposal
General	· The site was generally kept tidy and clean.

10.2 Tentative Construction Activities in the Coming Month

10.2.1 Construction activities as undertaken in the coming month for the Project lists below:

Contract 2

Mid-Vent Portal	Ÿ Tube excavation (NB+SB) Ÿ Adit invert slab Ÿ Ventilation building superstructure
North Portal	Ÿ Retaining walls and slope stabilization Ÿ Northbound top heading excavation and tunnel enlargement Ÿ TBM excavation
South Portal	Ÿ Southbound and Northbound D&B excavation Ÿ Building works superstructure
Admin Building	Ÿ Building works foundation & superstructure

Contract 3

Ÿ Cable detection and trial trenches

Ÿ Decking construction for Bridge E

Ÿ Filling works at Tong Hang East

Ÿ Storm Drains Laying

Ÿ Noise barrier construction

Ÿ Pier / Pier Table construction

Ÿ Pile cap works

Ÿ Portal beam construction

Ÿ Pre-drilling works and piling works for viaduct

Ÿ Retaining Wall construction

Ÿ Road works at Fanling Highway

Ÿ Sewer works

Ÿ Slope works

Ÿ Socket H-pile installation

Ÿ Tree felling works

Ÿ Utilities duct laying

Ÿ Viaduct segment erection

Ÿ Water works

Ÿ Per-drilling works for noise barrier

Contract 5

Ÿ Laying of rising main (VO61) at LMH road

Ÿ Bituminous laying at existing LMH road.

Ÿ Brick laying at footpath of LMH road

Ÿ Road works (kerb and bituminous laying) at existing LMH road

Ÿ Irrigation system at existing LMH Road

Ÿ Installation of underground utilities at existing LMH road

Ÿ Planting works at proposed & existing LMH road

Contract 6

Ÿ Site Clearance

Ÿ Slope Works

Ÿ Site Accesses Construction

Ÿ Ground Investigation Works

Ÿ Soil Nail

Ÿ Bored Piling

Ÿ Pile Cap Construction

Ÿ Tunnel Excavation

Ÿ Sewage Treatment Plant Construction

Contract 7

Ÿ Ground Investigation Works for Bridge A and E

Ÿ Piling Works for Bridge A to E

Ÿ Pile cap construction for Bridge B, C, D

Contract SS C505

Ÿ General Site Setup

Ÿ CLP temporally sub-station works

Ÿ Building no. 5 and 9 construction

Ÿ Tower Crane TC10 Construction

Ÿ H-pile works and load test

Ÿ Disassembly of crawler crane

Ÿ Grouting and full core to completed bored piles

Ÿ Underground drainage works

Ÿ Erection of Welfare Shelter

Ÿ Prototype “A” Construction works

Ÿ Prototype “B” footing construction

Ÿ Formwork and falsework for PTB’s slap construction

Ÿ Pile cap construction for PTB

Ÿ Tower Crane Construction

Ÿ Pile Cap construction for building number 4, 6 and 7

Ÿ Bridge construction works including construction of bridge column, retaining wall, pile cap

10.3 Key Issues for the Coming Month

10.3.1 Key issues to be considered in the coming month for Contracts 2, 3, 5, 6, 7 and SS C505 include:

Ÿ Implementation of control measures for rainstorm;

Ÿ Regular clearance of stagnant water during wet season;

Ÿ Implementation of dust suppression measures at all times;

Ÿ Potential wastewater quality impact due to surface runoff;

Ÿ Potential fugitive dust quality impact due from the dry/loose/exposure soil surface/dusty material;

Ÿ Disposal of empty engine oil containers within site area;

Ÿ Ensure dust suppression measures are implemented properly;

Ÿ Sediment catch-pits and silt removal facilities should be regularly maintained;

Ÿ Management of chemical wastes;

Ÿ Discharge of site effluent to the nearby wetland, stockpiling or disposal of materials, and any dredging or construction area at this area are prohibited;

Ÿ Follow-up of improvement on general waste management issues; and

Ÿ Implementation of construction noise preventative control measures

10.3.2 Contract 4 has not yet commenced and no environmental issue is presented.

11 Conclusions and Recommendations

11.1 Conclusions

11.1.1 This is the 33^th monthly EM&A report presenting the monitoring results and inspection findings for the Reporting Period from 1 to 30 April 2016.

11.1.2 For air quality monitoring, no 1-hour and 24-hour TSP monitoring results triggered the Action or Limit Levels were recorded. No NOEs or the associated corrective actions were therefore issued.

11.1.3 No noise complaint (which is an Action Level exceedance) was received and no construction noise measurement results that exceeded the Limit Level were recorded in the Reporting Period. No NOEs or the associated corrective actions were therefore issued.

11.1.4 For water quality monitoring, a total of thirty-nine (39) Action/ Limit Levels (AL/LL) exceedances, namely nineteen (19) LL exceedances of turbidity and twenty (20) AL/LL exceedances of Suspended Solids. The investigations for the cause of exceedances have been conducted by the ET and the associated investigation reports were submitted to relevant parties

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

11.1.6 In this Reporting Period, a total five (5) documented environmental complaint was received in the reporting month between 22^nd and 29^th by EPD or CEDD or RE regarding water pollution and construction dust issues at Sha Tau Kok Road and Wo Keng Shan Road. Upon receipt of the complaints, RE, IEC and ET with the relevant Contractors has immediately undertaken investigation. In the Reporting Period, all complaints of investigation are not yet completed and ongoing.

11.1.7

11.1.8 During the Reporting Period, weekly joint site inspection by the RE, IEC, ET with the relevant Main-contractor were carried out for Contracts 2, 3, 5, 6, 7 and SS C505 in accordance with the EM&A Manual stipulation. No non-compliance observed during the site inspection.

11.2 Recommendations

11.2.1 In upcoming 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 or public area would be the key issue. The Contractors should paid special attention on water quality mitigation measures and fully implement according ISEMM of the EM&A Manual, in particular for working areas near Ma Wat Channel and Ping Yuen River. Moreover, 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.

11.2.2 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.

11.2.3 Since most of construction sites under the Project are located adjacent to villages, the Contractors should fully implement air quality mitigation measures to reduce construction dust emission.

11.2.4 Furthermore, daily cleaning and weekly tidiness shall be properly performed and maintained. In addition, mosquito control should be kept to prevent mosquito breeding on site.




			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.33) – April 2016
			Prepared For
			Civil Engineering and Development Department (CEDD)

Version	Date	Remarks
1	12 May 2016	First Submission
2	16 May 2016	Amended against the IEC comment on 13 May 2016

Environmental Aspect	Environmental Monitoring Parameters / Inspection	Reporting Period
Environmental Aspect	Environmental Monitoring Parameters / Inspection	Number of Monitoring Locations to undertake	Total Occasions
Air Quality	1-hour TSP	9	150
Air Quality	24-hour TSP	9	49
Construction Noise	L_eq_(30min)Daytime	10	40
Water Quality	Water in-situ measurement and/or sampling	WM1 & WM1-C,	13 Scheduled & 4 extra
		WM2A & WM2A-C	13 Scheduled & 3 extra
		WM2B & WM2B-C	13 Scheduled & 5 extra
		WM3 &WM3-C	13 Scheduled & 5 extra
		WM4, WM4-CA &WM4-CB	13 Scheduled & 0 extra
Joint Site Inspection / Audit	IEC, ET, the Contractor and RE joint site Environmental Inspection and Auditing	Contract 2	5
		Contract 3	4
		Contract 5	4
		Contract 6	4
		Contract 7	4
		Contract SS C505	4