1.1.1
Civil Engineering
and Development Department (CEDD) is the
Project Proponent for the Project “Site
Formation and Associated Infrastructural Works for Development of Columbarium,
Crematorium and Related Facilities at Sandy Ridge Cemetery”. The Project is a Designated Project to be implemented
under Environmental Permit No. EP-534/2017/A and FEP-01/534/2017/A. The layout plan of the Project is shown in Appendix
A. Major works to be executed under the Project shall include to the
following:
A Designated Works under EP-534/2017/A
(i)
Site formation of about 8 hectares of
land and associated drainage, sewerage and landscape works for development of
Columbarium and Crematorium facilities at the Sandy Ridge Cemetery;
(ii)
Construction of a new road (about 600m)
including a section of viaduct connecting the platform for Crematorium and Man
Kam To Road and the pick-up/drop-off point at Man Kam To Road;
(iii)
Widening of about 900m of the existing
Sha Ling Road;
(iv)
Widening of about 1.4km of the existing
Lin Ma Hang Road; and
(v)
Improvement works to the existing
barging point at Siu Lam
Non-Designated Works
(i)
Construction of a sewage detention tank
complete with odour and septicity control mechanism;
(ii)
Construction of noise barriers along Sha
Ling Road;
(iii)
Construction of a new Refuse Collection
Point (RCP) near the junction between Man Kam To Road and Sha Ling Road;
(iv)
Landscaping works (including both hard
and soft landscape works);
(v)
Associated tree felling, transplanting
and compensatory planting works;
(vi)
Associated street lighting, street
furniture and road marking, etc.; and
(vii) Other
works which are specified in PS of the Contract.
1.1.2
To facilitate the Project management, the Project works were separated into three Contracts to be executed which
are described in below sub-sections.
1.1.3
Contract No. CV/2016/10 – Site
Formation and Associated Infrastructural Works for Development of Columbarium
at Sandy Ridge Cemetery (hereinafter
named “Contract 1”):-
Ÿ
Site formation of about 1.77 ha of land for the proposed pick-up
and drop-off area for shuttle bus operation;
Ÿ
Upgrading of a section of 900m existing Sha Ling Road from 3m wide
carriageway to 7.3m wide carriageway with footpath at both sides;
Ÿ
Construction of one EVA with a total length of about 160m;
Ÿ
Construction of noise barriers along Sha Ling Road;
Ÿ
Modification of junction between Man Kam To Road and Sha Ling
Road;
Ÿ
Construction of a new pick up / drop off point at Man Kam To Road;
Ÿ
Relocation and construction of a new refuse collection point near
junction between Man Kam To Road and Sha Ling Road;
Ÿ
Associated geotechnical works including cut and fill slopes, soil
nailing works and retaining structures;
Ÿ
Associated drainage, sewerage and waterworks along Sha Ling Road;
and
Ÿ
Associated landscaping works.
1.1.4
Contract
No. CV/2017/02 – Infrastructural Works at Man Kam To Road and Lin Ma Hang Road
for Development of Columbarium at Sandy Ridge Cemetery (hereinafter
named “Contract 2”):-
Ÿ
Construction of a new road connecting Columbarium site to
Crematorium site;
Ÿ
Construction of one EVA with a total length of about 300m;
Ÿ
Widening of a section of 1.4 km long Lin Ma Hang Road (between Man
Kam To Road and Ping Yuen River) from 6m wide carriageway to 7.3m with 2m width
footpath on both sides;
Ÿ
Provision of a pair of lay-by at Lin Ma Hang Road;
Ÿ
Construction of a new vehicular access connecting the Sheung Shui
Landmark North PTI and Lung Sum Avenue;
Ÿ
Construction of covered walkway along Fanling Station Road;
Ÿ
Removal of planters and central divider along Fanling Station Road
and San Wan Road;
Ÿ
Associated drainage, sewerage, waterworks and utility works along
Man Kam To Road and Lin Ma Hang Road;
Ÿ
Associated geotechnical works including cut and fill slopes, soil
nailing works and retaining structures; and
Ÿ
Associated landscaping works.
1.1.5
CEDD
Contract No. (to be confirmed):-
Ÿ
Site Formation for the platform of the columbarium site;
Ÿ
Construction of two 2 at-grade access roads;
Ÿ
Construction of road junction between Man Kam To Road and the new
access road;
Ÿ
Associated drainage, sewerage and waterworks along the two new
access roads;
Ÿ
Associated geotechnical works including cut and fill slopes, soil
nailing works and retaining structures; and
Ÿ
Associated landscaping works
1.1.6
Hsin Chong Tsun Yip
Joint Venture (hereafter referred as “HCTYJV”) has been awarded Contract 1 on 5 December 2017. According to the Contract requirement, HCTYJV shall take over the responsibility for part of the Environmental Permit No. EP-534/2017 for ease of management, therefore application for Further Environmental Permit was submitted by HCTYJV to EPD on 26 January 2018 and Further Environmental Permit No. FEP-01/534/2017
was granted to
HCTYJV by EPD on
23 February 2018. Furthermore,
EPD issued Environmental Permit No. FEP-01/534/2017/A on 24 December 2018.
1.1.7
Sang Hing Civil Contractors Company Limited
(hereinafter referred
as “Sang
Hing”) was awarded Contract 2 on 23 May 2018.
The Contract Works is a Designated Project as under Environmental Permit
(EP) No. EP-534/2017. Furthermore, EPD issued Environmental Permit No. EP-534/2017/A on 24 December 2018.
1.1.8
Action-United
Environmental Services & Consulting (AUES) has been commissioned by the Contractors as an Environmental Team (ET) to implement the Environmental Monitoring and Audit (EM&A) programme in accordance with the approved EM&A Manual as well as
the associated duties. As part of
the EM&A programme, baseline monitoring
to determine the ambient environmental conditions was completed before construction work commencement. The Baseline Monitoring Report (air, noise and water) certified
by ET Leader (ETL) and verified by Independent Environmental Checker (IEC) was
submitted to Environmental Protection Department (EPD) and it was approved by EPD on 25 October 2018.
1.1.9
Major construction work of Contract 1 was
commenced on 16 August 2018 and Contract 2 on 5 November 2018.
1.1.10 This is the 22nd Monthly EM&A Report summarizing the monitoring results and inspection findings for
the period
from 1st to 31st May 2020.
1.2.1
The
Monthly EM&A Report is
structured into the following sections:-
Section 1 Introduction
Section 2 Project Organization and Construction Progress
Section 3 Summary of Monitoring Requirements
Section 4 Air Quality Monitoring Results
Section 5 Noise Monitoring Results
Section 6 Water Quality Monitoring Results
Section 7 Ecology Monitoring Results
Section 8 Landscape & Visual
Section 9 Waste Management
Section 10 Site Inspections
Section 11 Environmental Complaints and Non-Compliance
Section 12 Implementation Status of Mitigation Measures
Section 13 Conclusions and Recommendation
2
2.1.1
To facilitate the project management and implementation, the
Project was divided
by the following contracts:
Ÿ Contract
1 (Contract No.
CV/2016/10)
Ÿ Contract
2 (Contract No.
CV/2017/02)
Ÿ Contract
3 (Contract No. TBA)
2.1.2
Organization
structure and contact details of relevant parties with respect to on-site
environmental management are shown in Appendix B.
2.2
2.2.1
The
three-month rolling construction programme for Contract
1 and Contract 2 are enclosed
in Appendix C. Construction activities of the Contract 1 and Contract
2 undertaken in the Reporting Month are presented
below.
Contract 1
(CV/2016/10)
l General site housekeeping
l Bulk Excavation
l
Construction of Cut Slope, installation of soil nailing and construction
of surface channel
l
Construction of retaining wall for Fill Slope.
l
Construction of Fill Slope and surface
channel
l
Construction of Pick-up and Drop-off
Point near Man Kam To Road
Contract 2 (CV/2017/02)
l
Construction of Manhole, gullies, drainage pipe at Lin Ma Hang
Road between CH380-430 Northbound & CH1165-1265 Northbound.
l
Man Kam To Road DN800 DI Sewerage Pipe FM4.19-FM4.22(100m)
l
Soil Nail Works at Lin Ma Hang Road Slope C225 & C231
l
Filling Works and drainage works for slope FS18 (Part A1)
l
Backfilling of Retaining Wall 13
l
Piling Works for Retaining Wall 14
2.3
Summary of Environmental Submissions
2.3
2.3.1
Summary of the relevant permits, licenses,
and/or notifications on environmental protection for the Project in this Reporting
Month is presented in Tables 2-1 and 2-2.
Table
2-1 Status of Environmental Licenses and Permits for Contract 1
|
Item
|
Description
|
License/ Permit ref
no.
|
License/ Permit Status
|
|
1
|
Air
Pollution Control (Construction Dust) Regulation
|
Ref. no. 428909
Acknowledged by EPD on 20/12/2017
|
Valid
|
|
2
|
Chemical
waste Producer Registration
|
WPN:
5231-641-H3937-01
Issued by EPD on 27/03/2018
|
Valid
|
|
3
|
Water
Pollution Control Ordinance
|
License no. WT00030795-2018
Issued
date: 9/5/2018
Expire
Date: 31/5/2023
|
Valid
|
|
4
|
Billing
Account for Disposal of Construction Waste
|
Account
no.: 7029769
|
Valid
|
|
5
|
Construction
Noise Permit
|
GW-RN0222-20 (expired on 30 Sep 2020)
|
Valid
|
Table
2-2 Status of Environmental Licenses and Permits for Contract 2
|
Item
|
Description
|
License/ Permit ref
no.
|
License/ Permit Status
|
|
1
|
Air
Pollution Control (Construction Dust) Regulation
|
Ref. no. 440406
Acknowledged by EPD on 14/12/2018
|
Man Kam To Road (near Sha Ling Road to Kong Nga
Po Road
|
Valid
|
|
Ref. no. 440405
Acknowledged by EPD on 14/12/2018
|
Fanling Station Road
|
Valid
|
|
Ref. no. 440404
Acknowledged by EPD on 14/12/2018
|
Sa Ling Road (Sandy Ridge Cemetery)
|
Valid
|
|
Ref. no. 440401
Acknowledged by EPD on 14/12/2018
|
Lin Ma Hang Road (San Uk
Ling – Muk Wu Nga Yiu)
|
Valid
|
|
Ref. no. 440402
Acknowledged by EPD on 14/12/2018
|
Lung Sum Avenue (near Landmark North)
|
Valid
|
|
2
|
Chemical
waste Producer Registration
|
WPN:
5213-641-S4151-01
Issued by EPD on 04/02/2019
|
Valid
|
|
3
|
Water
Pollution Control Ordinance
|
License no: WT00032936-2018
Issued date: 16/01/2019
Expire Date: 31/01/2024
|
Man Kam To Road & Lin Ma Hang Road, Man Kam
To
|
Valid
|
|
License no: WT00033335-2019
Issued date: 29/03/2019
Expire Date: 31/03/2024
|
Columbarium at Sandy Ridge Cemetery
|
Valid
|
|
License no:
WT00034717-2019
Issued date: 9/10/2019
Expire Date: 31/10/2024
|
Fanling Station Road
|
Valid
|
|
4
|
Billing
Account for Disposal of Construction Waste
|
Account
no.: 7031098
|
Valid
|
|
|
|
|
|
|
2.4
Summary of Submission Under the Environmental Permit Requirements
2.4
2.4.1
Tables 2-3 to 2-4 summarized the
submission status under the EP and/or FEP stipulation in the Reporting Month.
Table
2-3 Status of Submission as under FEP
|
Item
|
EP and / or FEP
Stipulation
|
Description
|
Status
|
|
1
|
Condition 2.10 of FEP
|
Management organization of : i) the main
construction companies; ii) ET; and iii) IEC and the supporting team
|
Submitted on 11 April
2018
|
|
2
|
Condition 2.11 of FEP
|
i) Detailed phasing programme of all construction works;
and ii) Location plan of all construction works
|
Submitted on 12 April
2018
|
|
3
|
Condition 2.12 of
FEP
|
Contamination
Assessment Plan (CAP)
|
Approved
by EPD on 27 May 2019
|
|
4
|
Condition 2.13 of FEP
|
Grassland Reinstatement Plan
|
Re-submitted on 31 May 2019
|
|
5
|
Condition 2.14 of FEP
|
Vegetation Survey
Report for Contract 1
|
Approved by EPD on 12 October
2018
|
|
6
|
Condition 2.15 of FEP
|
Vegetation Transplantation Proposal
Contract 1
|
Approved by EPD on 12 October
2018
|
|
7
|
Condition 2.17 of FEP
|
Woodland
Compensation Plan (Rev.04)
|
Re-submitted on 13 Mar 2020
|
|
8
|
Condition 2.18 of FEP
|
Monitoring and
Survey Plan for Golden-headed Cisticola for
Contract 1 (Rev.02)
|
Approved by EPD on 22 Oct 2019
|
|
9
|
Condition 2.20 of FEP
|
Landscape
& Visual Mitigation and Tree Preservation Plan(s)
Contract 1 (Rev.04)
|
Re-submitted on 17 Apr 2020
|
|
10
|
Condition 2.22 of FEP
|
Traffic Noise
Mitigation Plan Contract 1 (Rev. 4)
|
Re-submitted on 10 Nov 2019
|
|
11
|
Condition 3.3 of the FEP
|
Baseline Monitoring
Report (Air, Noise and Water)
|
Approved by EPD on 25 October
2018
|
|
12
|
Condition 4.2 of the FEP
|
The Contract Internet website
|
Internet website address has notified EPD on 15 Jun 2018
|
Table
2-4 Status of Submission as under EP
|
Item
|
EP and / or FEP
Stipulation
|
Description
|
Status
|
|
1a
|
Condition 2.10 of EP
|
Management organization of : i) the main
construction companies; ii) ET; and iii) IEC and the supporting team
|
Submitted on 24 September 2018
|
|
2a
|
Condition 2.11 of EP
|
i) Detailed phasing programme of all construction works;
and ii) Location plan of all construction works
|
Submitted on 26 September 2018
|
|
3
|
Condition 2.13 of
EP
|
Contamination
Assessment Plan (CAP)
|
Approved
by EPD on 27 May 2019
|
|
4
|
Condition 2.14 of EP
|
Grassland Reinstatement Plan
|
Re-submitted on 31 May 2019
|
|
5
|
Condition 2.15 of EP and
|
Vegetation Survey
Report Contract 2
|
Re-submitted on 30 Oct 2019
|
|
6
|
Condition 2.16 of EP
|
Vegetation Transplantation Proposal
Contract 2
|
Re-submitted on 30 Oct 2019
|
|
7
|
Condition 2.18 of EP
|
Woodland
Compensation Plan (Rev.04)
|
Re-submitted on 13 Mar 2020
|
|
8
|
Condition 2.19 of EP
|
Monitoring and
Survey Plan for Golden-headed Cisticola
Contract 2
|
Re-submitted on 30 Oct 2019
|
|
9
|
Condition 2.22 of EP
|
Landscape
& Visual Mitigation and Tree Preservation Plan(s)
Contract 2
|
Re-submitted on 25 Mar 2019
|
|
10
|
Condition 2.24 of EP
|
Traffic Noise
Mitigation Plan Contract 2
|
Re-submitted on 12 Aug 2019
|
|
11
|
Condition 3.3 of the EP
|
Baseline Monitoring
Report (Air, Noise and Water)
|
Approved by EPD on 25 October
2018
|
|
12
|
Condition 4.2 of the EP
|
The Contract Internet website
|
Internet website address has notified EPD on 15 June 2018
|
3
3.1.1
The EM&A requirements are set out in the Approved EM&A Manual.
Environmental issues such as air quality, construction noise, water quality and
ecology 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.
3.2.1
The EM&A impact monitoring shall cover the following
environmental aspect:
•
Air quality;
•
Construction noise;
•
Water quality;
•
Ecology; and
•
Landscape and visual
3.2.2
A summary of the monitoring parameters is presented in Table
3-1 below
Table 3-1 Summary
of EM&A Requirements
|
Environmental
Issue
|
Parameters
|
|
Air Quality
|
Ÿ 1-hour TSP;
Ÿ 24-hour TSP
|
|
Noise
|
Ÿ Leq(30min) during normal working hours.; and
Ÿ
Leq(15min) during the construction works undertaken in
Restricted Hours
|
|
Water Quality
|
In-situ
Measurements
Ÿ Dissolved Oxygen
Concentration (mg/L) & Saturation (% );
Ÿ Temperature (℃);
Ÿ Turbidity (NTU);
Ÿ Salinity
(ppm)
Ÿ pH unit;
Ÿ Water depth (m); and
Ÿ Stream
Flow Velocity (m/sec).
|
|
Laboratory Analysis
Ÿ Suspended Solids (mg/L)
|
|
Ecology
|
Ecologically sensitive habitats
(wetland habitats and non-wetland habitats)
|
3.3.1
According to the
Approved EM&A Manual of the Project – Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities at Sandy Ridge
Cemetery, the designated monitoring
locations for air quality, noise, water quality and ecology under the monitoring programme, is shown in Appendix D.
3.3.2
Since the Project was divided
into three Works Contracts and all Contracts will be
commenced at different time, the
construction phase impact monitoring will only be performed at the
Contract-related monitoring stations upon commencement of each
Contract Works.
Air Quality
3.3.3
There were three (3) designated
air quality monitoring
stations recommended in the Approved EM&A Manual
Section 5.6.1.1. There was proposed
relocation of air quality monitoring location ASR-3 in October 2018 since the
landlord refused to set up the HVS at his premises and nearby Conservation Area
due to noise nuisance and Muk Wu Nga Yiu House No. 2A
was proposed as alternative location ASR-3a. The proposal
dated on 9 November 2018 which verified by IEC was submitted to EPD for
approval. Based on rationale in Section 3.3.2, the Contract-related air quality monitoring location
for construction
phase were summarized in Table 3-2 and illustrated in Appendix D.
Table 3-2 Designated
Air Quality Monitoring Location under the Project
|
Location
ID
|
Description in EM&A
Manual
|
Location
|
Related Work Contract
|
|
ASR-1
|
Village House along Man Kam To Road
|
Sha Ling
Village House No.6
|
Contract 1
|
|
ASR-2
|
Village
House at San Uk Ling
|
San Uk Ling Village House No.1
|
Contract 2
|
|
ASR-3
|
Village House at Muk Wu Nga
Yiu
|
Muk Wu Nga Yiu House No.28
|
Contract 2
|
|
ASR-3a (#)
|
Village House at Muk Wu Nga
Yiu
|
Muk Wu Nga Yiu House No.2A
|
Contract 2
|
Remark: (#)
There was
proposed relocation of air quality monitoring location ASR-3 in October 2018. The proposal dated on 9 November 2018 after verified by IEC
was submitted to EPD for approval.
3.3.4
If the designated monitoring location
is required to relocate, alternative monitoring location shall agree with IEC and seek for EPD approval which
shall meet the following
criteria:
i)
Be at the site
boundary or such locations close to the major dust emission source;
ii)
Close to the sensitive receptors;
iii)
Take into account the prevailing
meteorological conditions;
iv)
For monitoring location located in the
vicinity of the ASRs, care shall be taken to cause minimal disturbance to the
occupants during monitoring.
v)
When positioning the HVS, the following
points shall be
noted:
a.
a horizontal platform with appropriate support
to secure the samples against gusty wind shall be provided;
b.
no two samplers shall be placed less than 2m
apart;
c.
the distance between the HVS and an obstacle,
such as buildings, must be at least twice the height that the obstacle
protrudes above the HVS;
d.
a minimum of 2 m separation from walls, parapets and
penthouses is required for HVS at the rooftop;
e.
a minimum of 2 m separation from any supporting structure,
measures horizontally is required;
f.
no furnace or incinerator flue is nearby;
g.
airflow around the sampler is unrestricted;
h.
the HVS is more than 20 m from the dripline;
i.
any wire fence and gate to protect the HVS,
shall not cause any obstruction during monitoring;
j.
permission must be obtained to set up the HVS
and to obtain access to the monitoring stations; and
k.
a secured
supply of electricity is needed to operate the HVS.
Construction
Noise
3.3.5
There were four (4) designated noise monitoring
locations recommended in the Approved EM&A Manual
Section 6.5.1.1. Based on rationale in Section 3.3.2, the Contract-related noise quality monitoring location for construction
phase were summarized in Table 3-3 and illustrated in Appendix D.
Table 3-3 Designated
Construction Noise Monitoring Location under the Project
|
Location
ID
|
Description in EM&A
Manual
|
Location
|
Related Work Contract
|
|
CN-1
|
Village
house to the west of Sha Ling Road
|
Village
house to the west of Sha Ling Road (free
field condition)
|
Contract 1
|
|
CN-2
|
Village house to
the north of Man Kam To Road
|
Sha Ling Village House No. 25 (free field condition)
|
Contract 1 & 3
|
|
CN-3
|
Village house near
San Uk Ling
|
San Uk Ling Village House No. 18 (free field condition)
|
Contract 2
|
|
CN-4
|
Village
house of Muk Wu
|
Muk Wu Village House No. 267 (1m façade from the building)
|
Contract 2
|
Water Quality
3.3.6
There were four (4) water quality monitoring
locations recommended in the Approved EM&A
Manual Section 7.6.1.2. The locations and coordinates of water quality monitoring were listed in Table 3-4. Based on rationale in Section 3.3.2, the Contract-related water quality monitoring location
for construction
phase were summarized in Table 3-4 and illustrated in Appendix D.
Table 3-4 Designated
Water Quality Monitoring Stations under the Project
|
Proposed Location ID
|
Co-ordinates
|
Description
|
Related Work Contract
|
|
North
|
East
|
|
M1
|
843 431
|
831 308
|
Midstream
of Nam Hang Stream
|
Contract 2
|
|
M2
|
843 840
|
831 101
|
Downstream
of Nam Hang Stream
|
Contract 2
|
|
M3
|
843 509
|
830 040
|
Wetland
in the Conservation Area near Yuen Leng Chai
|
Contract 1
|
|
M4
|
843 997
|
831 783
|
Watercourse across Lin Ma
Hang Road, running from east of San Uk Ling to Man
Kam To Boundary Control Point
|
Contract 2
|
3.4.1
The requirements of impact monitoring were stipulated in Sections 5.8.1.1, 6.7.1.1 and
7.8.1.4 of the approved EM&A
Manual and presented as follows.
Air Quality
Monitoring
3.4.2
Monitoring frequency for air quality impact monitoring is as follows:
|
Ÿ 1-Hour TSP
|
3 sets of 1-hour TSP monitoring shall be
carried out once every six days during construction periods
|
|
Ÿ 24-Hour TSP
|
24-hour TSP monitoring shall be carried
out every six days during construction periods
|
Noise Monitoring
3.4.3
Noise impact monitoring shall be carried out once per week during
construction periods. The noise measurement
for the time period between 0700 and 1900 hours shall be measured in terms of Leq (30 minutes) or 6 sets of Leq (5mins).
Water Quality Monitoring
3.4.4
The monitoring frequency shall be 3 days per week during
construction phase and the interval between two sets of monitoring shall not be less
than 36 hours.
3.5.1
The
monitoring equipment using for the EM&A program as proposed by the ET shall
be verified by the IEC.
Air Quality
Monitoring
3.5.2
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 ET proposes to use a direct reading
dust meter to measure 1-hour TSP levels, it shall submit sufficient information
to IEC for approval.
3.5.3
The filter paper
of 24-hour TSP measurement shall be determined by HOKLAS accredited laboratory.
3.5.4
All equipment used by ET for air quality monitoring is listed in Table
3-5.
Table 3-5 Air
Quality Monitoring Equipment
|
Equipment
|
Model
|
|
24-hour TSP
|
|
High Volume Air
Sampler (HVAS)
|
TISCH High Volume Air Sampler, HVS Model
TE-5170
|
|
Calibration
Kit
|
TISCH Model TE-5025A
|
|
1-Hour TSP
|
|
Portable Dust Meter
|
Sibata LD-3 Laser Dust monitor
Particle Mass Profiler & Counter
|
Wind Data Monitoring Equipment
3.5.5
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.
3.5.6
ET has liaised with the premises owners/ landlords to grant the permission
for the HVS installation. However, they rejected to set
up wind data
monitoring equipment installation in their premises.
3.5.7
Under this situation, the ET proposed to obtain representative
wind data from the Hong Kong Observatory Ta Kwu Ling Weather Station. Ta Kwu Ling Station is located near the Project site which situated at the sea level above 15mPD and
the wind data
monitoring equipment is installed 10 m above the existing ground.
Noise Monitoring
3.5.8
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 ms-1
before each noise monitoring event.
Noise measurements should not be made in fog, rain, wind with a steady speed
exceeding 5 m s-1 or wind with gusts exceeding 10 m s-1.
3.5.9
Noise monitoring equipment used for impact monitoring is listed in
Table
3-6.
Table 3-6 Noise
Monitoring Equipment
|
Equipment
|
Model
|
|
Integrating Sound Level Meter
|
B&K
Type 2238
|
|
Calibrator
|
B&K
Type 4231
|
|
Portable Wind Speed Indicator
|
Testo Anemometer
|
3.5.10 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.
Water Quality
Monitoring
3.5.11 Water
quality parameters include dissolved oxygen, water
temperature & depth, turbidity, salinity, pH and stream flow velocity shall
be measured in-situ, and suspended solids shall be analyzed by a HOKLAS-accredited
testing laboratory.
Dissolved Oxygen and Temperature Measurement
3.5.12 The dissolved oxygen (DO)
measuring instruments should be portable and weatherproof. The equipment should
also complete with cable and sensor, and DC power source. It should be capable
of measuring:
• A DO level
in the range of 0 – 20 mg/L and 0 – 200% saturation; and
• A temperature of 0 – 45 degree Celsius.
3.5.13
The
equipment should have a membrane electrode with automatic temperature
compensation complete with a cable.
3.5.14
Should
salinity compensation not be built-in to the DO equipment, in-situ salinity
should be measured to calibrate the DO measuring instruments prior to each
measurement.
Turbidity Measurement
3.5.15
The turbidity measuring instruments should be
a portable and weatherproof with DC power source. It should have a photoelectric sensor
capable of measuring turbidity level between 0–1000 NTU (for example, Hach model 2100Q or an
approved similar instrument).
Salinity Measurement
3.5.16
A portable
salinometer capable of measuring salinity in the range of 0–40 parts per
thousand (ppt) should be provided for measuring
salinity of the water at each monitoring location.
pH Measurement
3.5.17
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.
Water Depth Measurement
3.5.18
A portable, battery-operated echo sounder or
an approved similar instrument should be used for water depths determination at
each designated monitoring station.
Stream Flow Velocity Equipment
3.5.19
Since the EM&A Manuals do not specified instrument to use
stream flow velocity measurement, the monitoring of stream flow velocity is
therefore proposed to be conducted by using a flow probe which is a digital
water velocity meter.
Water Sampling Equipment
3.5.20
A water sampler is required for suspended
solid (SS) monitoring. 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.
3.5.21
For sampling from very shallow water depths e.g. <0.5 m, water
sample will be collected from water surface below 100mm using 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.
Sample Containers and Storage
3.5.22
Water samples for suspended solid should be
stored in high density polythene bottles with no preservative added, packed in
ice (cooled to 4°C without being frozen) and delivered to the laboratory within 24
hours of collection and be analyzed as soon as possible after collection.
3.5.23 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.
3.5.24 Details of the equipment used for water
quality monitoring are listed in Table 3-7 below.
Table 3-7 Water
Quality Monitoring Equipment
|
Equipment
|
Model
|
|
Water Depth Detector
|
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 DSS/ YSI 550A
|
|
pH meter
|
AZ8685 pH meter /
YSI Professional DSS
|
|
Turbidimeter
|
Hach 2100Q/ YSI Professional DSS
|
|
Salinometer
|
Atago refractometer Atago S
Salinity Meter / YSI Professional DSS
|
|
Stream Flow Velocity
|
FP211 Global Flow Probe
|
|
Sample Container
|
High density polythene
bottles (provided by laboratory)
|
|
Storage Container
|
‘Willow’ 33-litter plastic
cool box with Ice pad
|
3.5.25 Furthermore, Suspended solids (SS) analysis was carried out by ALS Technichem
(HK) Pty Ltd. Which is one a local HOKLAS-accredited laboratory
3.6.1
The HVAS 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 at fortnightly interval. The calibration data are properly
documented and the records are maintained by ET for future reference. Furthermore, Tisch Calibration Kit will be
calibrated by the manufacturer in yearly basis.
3.6.2
The 1-hour TSP meter calibrated by a local HOKLAS-accredited
laboratory would be undertaken in yearly basis. Zero response of the equipment was
checked before and after each monitoring event.
3.6.3
The sound level meter and acoustic calibrator are
calibrated and certified by a laboratory accredited under HOKLAS or any other
international accreditation scheme at yearly basis.
3.6.4
The multi-parameter Water Quality Monitoring
System is calibrated by HOKLAS accredited laboratory of three month intervals.
3.6.5
All updated calibration certificates of
the monitoring equipment used for the impact monitoring program in this
Reporting Month are attached in Appendix E.
3.7.1
The
impact monitoring data are handled by the ET’s systematic data recording and
management, which complies with in-house Quality Management System. Standard
Field Data Sheets (FDS) are used in the impact monitoring program.
3.7.2
The
monitoring data recorded in the equipment e.g. 1-hour TSP meter, noise meter
and Multi-parameter Water
Quality Monitoring System are downloaded
directly from the equipment at the end of each monitoring day. The downloaded monitoring data are input
into a computerized database properly maintained by the ET. The laboratory results are input
directly into the computerized database and QA/QC checked by personnel other
than those who input the data. For
monitoring activities require laboratory analysis, the local laboratory follows
the QA/QC requirements as set out under the HOKLAS scheme for all laboratory
testing.
3.8.1
The baseline monitoring results form the basis for
determining the environmental acceptance criteria for the impact monitoring. The air quality, construction noise and
water quality criteria, namely Action and Limit levels were established according to
Approved EM&A Manual, and they are listed in Tables 3-8, 3-9 and
3-10 below.
Table 3-8 Action and Limit Levels for Air
Quality Monitoring
|
Monitoring Station
|
Action Level (mg /m3)
|
Limit Level (mg/m3)
|
|
1-hour TSP
|
24-hour TSP
|
1-hour TSP
|
24-hour TSP
|
|
ASR-1
|
331
|
181
|
500
|
260
|
|
ASR-2
|
316
|
165
|
500
|
260
|
|
ASR-3
|
307
|
160
|
500
|
260
|
Table 3-9 Action
and Limit Levels for Construction Noise
|
Monitoring Location
|
Action Level
|
Limit Level in dB(A)
|
|
Time Period: 0700-1900 hours
on normal weekdays
|
|
CN-1,CN-2, CN-3, CN-4
|
When
one or more documented complaints are received
|
75 dB(A)
|
Note: * Reduces to 70 dB(A)
for schools and 65 dB(A) during the school examination periods.
Table 3-10 Action and Limit
Levels for Water Quality
|
Parameter
|
Performance criteria
|
Monitoring Location
|
|
M1
|
M2
|
M3
|
M4
|
|
DO (mg/L)
|
Action Level
|
3.03
|
4.99
|
4.58
|
3.62
|
|
Limit Level
|
2.97
|
4.90
|
4.49
|
3.52
|
|
Turbidity (NTU)
|
Action Level
|
7.1
|
39.7
|
5.6
|
5.4
|
|
Limit Level
|
7.6
|
42.2
|
5.9
|
5.9
|
|
SS (mg/L)
|
Action Level
|
8.5
|
29.0
|
9.3
|
4.8
|
|
Limit Level
|
10.1
|
31.0
|
9.5
|
5.0
|
|
Notes:
•
For DO, non-compliance of the water
quality limits occurs when monitoring result is lower than the limits
•
For turbidity and SS, non-compliance of
the water quality limits occurs when monitoring result is higher than the
limits.
|
3.8.2
Should
non-compliance of the environmental quality criteria occurs, remedial actions
will be triggered according to the Event and Action Plan enclosed in Appendix F.
4
4.1.1
In the Reporting Month, air quality monitoring was
performed at all designated locations. Impact monitoring schedule provided to all relevant parties was shown in Appendix G.
4.1.2
In this Reporting Month, there were 5 sessions of 24-hour TSP and 15 sessions of 1-hour TSP undertaken
at each designated station for air quality monitoring. The air quality monitoring results are summarized in Tables 4-1 to 4-3.
The database of 24-hour TSP is shown in Appendix
H and the graphical
plots of monitoring result are shown in Appendix
I.
Table
4-1 Summary
of Air
Quality
Monitoring Results at ASR-1 under Contract 1
|
Date
|
24-hour
TSP (mg/m3)
|
1-hour
TSP (mg/m3)
|
|
Date
|
Start Time
|
1st hour
measured
|
2nd hour
measured
|
3rd hour
measured
|
|
2-May-20
|
69
|
4-May-20
|
9:16
|
59
|
64
|
62
|
|
8-May-20
|
55
|
9-May-20
|
13:18
|
40
|
