CONTRACT NO. SPW 25/2018
 

Environmental Team for

Relocation of Sha Tin Sewage Treatment Works to Caverns – Site Preparation

and Access Tunnel Construction  

 

Under Environmental Permit no. EP-533/2017

 
quarterly Environmental Monitoring & Audit Summary Report
 
- March 2019 to may 2019 -


CLIENTS:

PREPARED BY:

 

 

Drainage Services Department

 

 

 

Lam Environmental Services Limited

 

11/F Centre Point

181-185 Gloucester Road,

Wanchai, H.K.

 

Telephone: (852) 2882-3939

Facsimile: (852) 2882-3331

E-mail: info@lamenviro.com

Website: http://www.lamenviro.com

 

 

 

 

 

Certified by:



 

 

 

 

                                               

Derek LO

Environmental Team Leader

 

 

 

DATE:

 

 

21 June 2019

 

 


Table of contents

 

1      Introduction.. 5

1.1        Scope of the Report 5

1.2        Structure of the Report 5

2      Project Background.. 6

2.1        Background. 6

2.2        Scope of the Project and Site Description.. 6

2.3        Project Organization and Contact Personnel 7

2.4        Construction Activities. 7

3        Monitoring Requirements. 9

3.1        Air Monitoring. 9

3.2        Noise Monitoring. 10

4.       Monitoring Results. 12

4.1        Air Monitoring Results. 12

4.2        Noise Monitoring Results. 12

4.3        Waste Management 12

5      Compliance Audit.. 14

5.1        Air Monitoring. 14

5.2        Noise Monitoring. 14

5.3        Review of the Reasons for and the Implications of Non-compliance. 14

5.4        Summary of action taken in the event of and follow-up on non-compliance  14

6      Complaints, Notification of Summons and Prosecution.. 15

7      Conclusion.. 16


lIST OF TABLES

 

Table 2.1    Schedule 2 Designated Projects under this Project

Table 2.2     Contact Details of Key Personnel

Table 3.1     Air Monitoring Station

Table 3.2     Noise Monitoring Station

Table 4.1     Details of Waste Disposal for Contract no. DC/2018/05

Table 6.1     Cumulative Statistics on Complaints

Table 6.2     Cumulative Statistics on Successful Prosecutions

 

 

 

lIST OF FIGUREs

 

Figure 2.1     Project Layout

Figure 2.2     Project Organization Chart

Figure 3.1    Locations of Environmental Monitoring Station

 

 

 

 

lIST OF APPENDIces

 

Appendix 2.1    Environmental Mitigation Implementation Schedule

Appendix 3.1    Action and Limit Level

Appendix 4.1    Air Quality Monitoring Results and Graphical Presentations

Appendix 4.2    Noise Monitoring Results and Graphical Presentations

Appendix 5.1    Event and Action Plans

Appendix 6.1    Complaint Log

Appendix 7.1    Construction Programme of Individual Contracts


EXECUTIVE SUMMARY

       i.        This is the Quarterly Environmental Monitoring and Audit (EM&A) Summary Report – March 2019 to May 2019 of Relocation of Sha Tin Sewage Treatment Works to Caverns – Site Preparation and Access Tunnel Construction under Environmental Permit no. EP-533/2017 (Hereafter as “the Project”). The report presenting the environmental monitoring findings and information recorded during the period of 1 March 2019 to 31 May 2019.

 

Construction activities for the reporting period

 

During this reporting period, the principal work activities are included as follow:

March 2019

April 2019

May 2019

·  Site clearance

 

·  Site clearance

·  Hand dig trial pit excavation

 

 

·  Site clearance

·  Hand dig trial pit excavation

·  Hoarding erection

 

 

Air Quality Monitoring

      ii.        1-hour Total Suspended Particulates (TSP) monitoring would be conducted at five monitoring stations. The sampling frequency is 3 times in every 6 days.

     iii.        Air quality monitoring for the stations AM1 and AM2 were commenced on 12 April 2019 while

station AM5 was commenced on 18 April 2019. Air quality monitoring for the station AM4 was commenced on 3 May 2019. AM3(A) is under liaison for approval.

     iv.        No action or limit level exceedance was determined in the reporting period for the stations of AM1, AM2, AM4 and AM5.

 

Noise Monitoring

      v.        Noise monitoring would be conducted at five noise monitoring stations once per week.

     vi.        Noise monitoring for stations CM4 and CM5 were commenced on 13 April 2019 and 18 April

2019 respectively. Noise monitoring for stations CM1 and CM3 were commenced on 2 May 2019. CM2(A) is under liaison for approval.

    vii.        No action or limit level exceedance was determined in the reporting period for the stations of CM1, CM3, CM4 and CM5.

 

Site Inspection and Audit

 

   viii.        Within this reporting period, weekly environmental site audits, bi-weekly landscape site audits and monthly ecology site audits were conducted by Environmental Team, ER and the Contractor, IEC attended the joint site inspection on 28 March, 25 April and 24 May 2019.

 

Complaints, Notifications of Summons and Successful Prosecutions

    ix.        No environmental complaint was received in the reporting period.

1      Introduction

1.1          Scope of the Report

1.1.1.     Lam Environmental Services Limited (LES) has been appointed to work as the Environmental Team (ET) under Environmental Permit (EP) no. EP-533/2017 to implement the Environmental Monitoring and Audit (EM&A) programme as stipulated in the EM&A Manual of the approved Environmental Impact Assessment (EIA) Report for Relocation of Sha Tin Sewage Treatment Works to Caverns – Site Preparation and Access Tunnel Construction (Register No.: AEIAR-202/2016).

1.1.2.     This report documents the finding of EM&A works for this project and during the period of 1 March 2019 to 31 May 2019.

1.1.3.     In accordance with Section 13.5 of the Project EM&A Manual, the Quarterly EM&A Summary Report should be prepared and submitted to the IEC, the ER and EPD.

1.2          Structure of the Report

 

Section 1        Introduction – details the scope and structure of the report.

 

Section 2        Project Background – summarizes background and scope of the project, site description, project organization and contact details of key personnel during the reporting period.

 

Section 3        Monitoring Requirements – summarizes all monitoring parameters, monitoring locations, monitoring frequency, criteria and respective event and action plan and monitoring programmes.

 

Section 4        Monitoring Results – summarizes the monitoring results obtained in the reporting period.

 

Section 5        Compliance Audit – summarizes the auditing of monitoring results, all exceedances environmental parameters.

 

Section 6        Complaints, Notification of summons and Prosecution – summarizes the cumulative statistics on complaints, notification of summons and prosecution

 

Section 7        Conclusion

2      Project Background

2.1          Background

2.1.1.     The Relocation of Sha Tin Sewage Treatment Works (STSTW) to Caverns (the Project) is implemented so as to release the existing site, of a size about 28 hectares, for other uses.

2.1.2.     In May 2012, Drainage Services Department (DSD), the Project Proponent commenced a detailed feasibility study on “Relocation of Sha Tin Sewage Treatment Works to Caverns” (the Feasibility Study).  The findings of Feasibility Study affirmed that relocating the STSTW to caverns to be constructed at Nui Po Shan of A Kung Kok is technically feasible and financially viable.

2.1.3.     The Project is a Designated Project (DP) under the Environmental Impact Assessment Ordinance (EIAO).  An application for an Environmental Impact Assessment (EIA) Study Brief under section 5(1)(a) of the EIAO was submitted on 12 May 2014 with a Project Profile (No. PP-508/2014) for the Project.  An EIA Study Brief (No. ESB-273/2014) was issued in June 2014.  An EIA for the Project was then undertaken, as part of the Assignment, in accordance with this EIA Study Brief and the Technical Memorandum on Environmental Impact Assessment Process (EIAO-TM). The location of the Project is shown Figure 2.1.

 

2.2          Scope of the Project and Site Description

2.2.1.     The Project covers the following DP elements as specified in Schedule 2 of the EIAO (Cap.499), Table 2.1 summarises the DPs under this Project.

Table 2.1      Schedule 2 Designated Projects under this Project

Item

Designated Project

EIAO Reference

DP1

Sewage treatment works with an installed capacity of more than 15,000 m3 per day under Item F.1

Schedule 2, Part I,

DP2

Sewage treatment works under Item F.2

Ÿ   With an installed capacity of more than 5,000 m3 per day; and

Ÿ   A boundary of which is less than 200m from the nearest boundary of an existing or planned residential area, educational institution and health care institution.

Schedule 2 Part I

DP3

An activity for the reuse of treated sewage effluent from a treatment plant under Item F.4

Schedule 2 Part I

DP4

Underground rock caverns under Item Q.2

Schedule 2 Part I

DP5

An explosives depot in a standalone, purpose built building under Item K.10

Schedule 2 Part I;

DP6

Decommissioning of an explosives depot under Item 11

Schedule 2 Part II

 

2.3          Project Organization and Contact Personnel

2.3.1       Drainage Services Department is the overall project controllers for the Project. For the construction phase of the Project, Project Engineer, Contractor(s), Environmental Team and Independent Environmental Checker are appointed to manage and control environmental issues.

2.3.2       The proposed project organization and lines of communication with respect to environmental protection works are shown in Figure 2.2. Key personnel and contact particulars are summarized in Table 2.2:

Table 2.2 Contact Details of Key Personnel

Party

Role

Post

Name

Contact No.

Contact Fax

AECOM

Engineer’s Representative

Chief Resident Engineer

Mr .Leung Chi Man, Simon

6393 8645

3914 5888

China State Joint Venture

Contractor

Site Agent

Mr. KONG Ming, Elvis

9186 2081

2672 2501

Environmental Officer

Ms. CHIU Mei Yu, Gloria

9224 2413

Mott MacDonald Hong Kong Limited

Independent Environmental Checker (IEC)

Independent Environmental Checker (IEC)

Mr. Brandon Wong

2828 5875

2827 1823

Lam Environmental Services Limited

Environmental Team (ET)

Environmental Team Leader (ETL)

Mr. Derek Lo

2882 3939

2882 3331

Hotline telephone number for the public to make enquiries:

3142 2256

 

2.4          Construction Activities

2.4.1       In the reporting period, the principal work activities conducted are as follow.

 

 

March 2019

April 2019

May 2019

·  Site clearance

 

·  Site clearance

·  Hand dig trial pit excavation

 

 

·  Site clearance

·  Hand dig trial pit excavation

·  Hoarding erection

 

 

2.4.2       Mitigation measures according to the environmental mitigation implementation schedule and the EIA were generally implemented by the Contractor in this reporting period. The Environmental Mitigation Implementation Schedule (EMIS) such as air quality, construction noise, water quality, Ecological, Landscape & Visual Impact and wastes management is presented in Appendix 2.1

 

 

3         Monitoring Requirements

3.1          Air Monitoring

Air Quality Monitoring Stations

3.1.1.     Air monitoring stations AM1 and AM2 were setup and commencement of monitoring on 12 April 2019 while AM5 was setup and commencement of monitoring on 18 April 2019. Air quality monitoring for the station AM4 was commenced on 3 May 2019. AM3(A) is under liaison for approval, no monitoring for AM3(A) was conducted in the reporting period.

3.1.2.     The air monitoring stations for the Project are listed and shown in Table 3.1 and Figure 3.1.

Table 3.1 Air Monitoring Station

Monitoring Station ID

Monitoring Location

Level

(in terms of

no. of floor)

AM1

Ah Kung Kok Fishermen Village

G/F

AM2

Block H, Kam Tai Court

Roof

AM3(A)

Kowloon City Baptist Church Hay Nien Primary School

G/F (tentative)

AM4

Wellborn Kindergarten

G/F

AM5

The Neighbourhood Advice-Action Council Harmony Manor

Roof

 

Air Monitoring Parameters, Frequency and Duration

3.1.3.     One-hour TSP levels should be measured to indicate the impacts of construction dust on air quality.

3.1.4.     The sampling frequency of at least three times in every six-days should be undertaken when the highest dust impact occurs.

 

 

 

 

 

 

 

 

 

 

 

 

3.2          Noise Monitoring

Noise Monitoring Stations

3.2.1.     Noise monitoring stations CM4 and CM5 were setup and commencement of monitoring on 13 April 2019 and 18 April 2019 respectively. Noise monitoring for stations CM1 and CM3 were commenced on 2 May 2019. CM2(A) is under liaison for approval, no monitoring for CM2(A) was conducted in the reporting period.

3.2.2.     The noise monitoring stations for the Project are listed and shown in Table 3.2 and Figure 3.1.

Table 3.2 Noise Monitoring Station

Monitoring Station ID

         Monitoring Location

Measurement Type

Level

(in terms of no. of floor)

CM1

Wellborn Kindergarten

Free

G/F

CM2(A)

Kowloon City Baptist Church Hay Nien Primary School

Façade (tentative)

Roof (tentative)

CM3

S.K.H. Ma On Shan Holy Spirit Primary School

Façade

Roof

CM4

Ah Kung Kok Fishermen Village

Free field

G/F

CM5

The Neighbourhood Advice-Action Council Harmony Manor

Façade

Roof

 

Noise Monitoring Parameters, Frequency and Duration

3.2.3.     Noise monitoring shall be carried out at all the designated monitoring stations. The monitoring frequency shall depend on the scale of the construction activities. The following is an initial guide on the regular monitoring frequency for each station on a weekly basis when noise generating activities are underway:

·          One set of measurements between 0700-1900 hours on normal weekdays;

·          One set of measurements between 1900-2300 hours;

·          One set of measurements between 2300-0700 hours of next day; and

·          One set of measurements between 0700-2300 hours on holidays (three consecutive Leq/5min readings).

3.2.4.     If construction works are extended to include works during the hours of 1900-0700, additional weekly impact monitoring shall be carried out during evening and night-time works for the latter 3 sets of measurements specified in Section 3.2.3 above, one set of measurements shall at least include 3 consecutive Leq (5min) results.

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

3.2.6.     If a school exists near the construction activity, noise monitoring shall be carried out at the monitoring stations for the schools during the examination periods. The ET leader shall liaise with the school’s personnel and the examination authority to ascertain the exact dates and times of all examination periods during the course of the contract.

 

 

 

 

 

 

4.       Monitoring Results

4.0.1         The environmental monitoring will be implemented based on the division of works areas of each designed projects. Overall layout showing work areas and monitoring stations is shown in Figure 2.1 and Figure 3.1 respectively.

4.1          Air Monitoring Results

4.1.1       1-hour TSP monitoring was conducted at AM1, AM2, AM4 and AM5 in the reporting period. No 1-hour TSP monitoring was scheduled at AM3(A) due to approval of monitoring station is still under liaison.

4.1.2       No action or limit level exceedance was determined in the reporting period at stations of AM1, AM2, AM4 and AM5

4.1.3       Air quality monitoring results measured in this reporting period for AM1, AM2, AM4 and AM5 are reviewed and summarized.  Details of air monitoring results and graphical presentation can be referred in Appendix 4.1.

4.2          Noise Monitoring Results

4.2.1         Noise monitoring was conducted at CM1, CM3, CM4 and CM5 in the reporting period. No noise monitoring was scheduled at CM2(A) due to approval of monitoring station is still under liaison.

4.2.2         No action or limit level exceedance was determined in the reporting period at stations of CM1, CM3, CM4 and CM5.

4.2.3         Noise monitoring results measured in this reporting period for CM1, CM3, CM4 and CM5 are reviewed and summarized. Details of noise monitoring results and graphical presentation can be referred in Appendix 4.2.

4.3          Waste Management

4.3.1      The quantities of waste for disposal in the Reporting Period are summarized in Table 4.1.

Table 4.1 Details of Waste Disposal for Contract no. DC/2018/05

Waste Type

Quantity this report period

Cumulative Quantity-to-Date

Disposal / Dumping Grounds

Inert C&D materials disposed, m3

0

0

 

Inert C&D materials recycled, m3

0

0

 

Non-inert C&D materials disposed, tonne

5.2

5.2

NENT

Non-inert C&D materials recycled, kg

0

0

 

Chemical waste disposed, L

0

0

 

Asbestos waste disposed, Kg

0

0

 

 

5              Compliance Audit

5.0.1       The Event Action Plan for construction noise, air quality are presented in Appendix 5.1.

5.1          Air Monitoring

5.1.1       No action or limit level exceedance was determined in the reporting period at stations of AM1, AM2, AM4 and AM5. No 1hr TSP monitoring was scheduled at stations of AM3(A) due to approval of monitoring station is still under liaison.

5.2          Noise Monitoring

5.2.1       No action or limit level exceedance was determined in the reporting period at stations of CM1, CM3, CM4 and CM5, No noise monitoring was scheduled at stations of CM2(A) due to approval of monitoring station is still under liaison.

5.3          Review of the Reasons for and the Implications of Non-compliance

5.3.1       No environmental non-compliance was recorded in the reporting period.

5.4          Summary of action taken in the event of and follow-up on non-compliance

5.4.1       There was no particular action taken since no non-compliance was recorded in the reporting period.

6              Complaints, Notification of Summons and Prosecution

6.0.1       No environmental complaint was received in the reporting period.

6.0.2       The details of cumulative complaint log and updated summary of complaints are presented in Appendix 6.1.

6.0.3       Cumulative statistic on complaints and successful prosecutions are summarized in Table 6.1 and Table 6.2 respectively.

Table 6.1 Cumulative Statistics on Complaints

Reporting Period

No. of Complaints

March 2019 to May 2019

0

Total

0

 

Table 6.2 Cumulative Statistics on Successful Prosecutions

Environmental Parameters

Cumulative No. Brought Forward

No. of Successful Prosecutions in this reporting period   (Offence Date)

Cumulative No. Project-to-Date

Air

-

0

0

Noise

-

0

0

Waste

-

0

0

Total

-

0

0

 

7              Conclusion

7.0.1       The EM&A programme was carried out in accordance with the EM&A Manual requirements, minor alterations to the programme proposed were made in response to changing circumstances.

7.0.2       No non-compliances were noted and no prosecutions were received during the reporting period.

7.0.3       Mitigation measures according to the environmental mitigation implementation schedule and the EIA were generally implemented by the Contractor in this reporting period. Weekly environmental site audits, bi-weekly landscape site audits and monthly ecology site audits were conducted by Environmental Team, ER and the Contractor and no cumulative environmental impact was identified in the reporting period. Hence, the EM&A programme was considered effective and shall be maintained.

7.0.4       The construction programmes of individual contracts are provided in Appendix 7.1