This Monthly Environmental
Monitoring and Audit (EM&A) Report is prepared for Contract No. SPW 01/2025
“Environmental Team for Construction of Yuen Long Effluent Polishing Plant
Stage 1”. Drainage Services Department (DSD) has appointed Aurecon Hong Kong
Limited (Aurecon) to undertake the Environmental Team services for the project
and implement the EM&A works.
This is the 59th Monthly
EM&A Report for the construction phase which summaries findings of the
EM&A programme during the reporting period from 1 February 2026 to 28 February 2026. As informed by the
Contractor, major activities in the reporting month were:
Contract DC/2019/10:
· Fixing GRC panel at CLP Substation
· ELS Works and Pipe works for Modification of Existing Inspection Chamber and Inlet Effluent Pipes from NSWSPS
·
ABWF and T&C Works at IW
·
ELS works at PST Stage 2
·
RC works at PST Stage 2
·
RC works at SDB
·
ELS works at ADB and Underpass
·
RC works at AGS
·
RC structure at TTS
·
ABWF and E&M works at STB
·
ELS work at Sludge Digester no.
4 -6 and UC4
·
E&M wok
at Sludge Digester no. 1-3
· T&C work at Biogas Holder no.1
· Disposal of construction
waste as indicated in Appendix I.
Contract
DE/2020/01:
· Installation of
PV panels
· Disposal of construction
waste as indicated in Appendix I.
Breaches of Environmental Quality Performance
Limits (AL levels)
No Action and Limit Level exceedance was recorded
for air quality monitoring and construction noise monitoring in the reporting
month.
No Action and Limit Level exceedance was
recorded for water quality monitoring in the reporting month.
No Action / Limit exceedance was recorded for
noise levels at stations (NMS1 and NMS2) in close proximity to the two active
ardeid night roosts (ANR1 and ANR2) observed within the Survey Area during the
reporting month.
No Action / Limit exceedance for the
ecological monitoring of birds in the reporting month.
No corrective actions were required according
to the Event and Action Plans for the Monitoring Parameters.
Land Contamination
Regular site inspection was
carried out to ensure the recommended mitigation measures are properly
implemented. The signed final Contamination Assessment Report (CAR) for “Main
Storeroom & Workshops”, “Mechanical Workshop”, “Waste Storage Area”, “SAS
Thickener House-1”, “SAS Thickener House-2”and “Screening Press House” were
submitted to EPD respectively on 1st November 2021, 23rd
November 2021, 29th April 2022, 6th July 2022, 19th
June 2023 and 29th October 2024. No contaminated soil and ground
water was found within the Main Storeroom & Workshop, Mechanical Workshop,
Waste Storage Area, SAS Thickener House-1, SAS Thickener House-2 and Screening
Press House, and no remedial action is required for these locations.
Complaint Log
No complaints were received
in the reporting period.
Notifications of Summons and Successful
Prosecutions
No notifications of summons
and successful prosecutions were received in the reporting period.
Reporting Change
There were no reporting
changes during the reporting month.
Future Key Issues
The main works anticipated
in the next three months are as follow:
Contract DC/2019/10:
·
Fixing
GRC panel at CLP Substation
·
Pipe
works for Modification of Existing Inspection Chamber and Inlet Effluent Pipes
from NSWSPS T&C Works at IW
·
T&C
Works at IW
·
Temporary
Road Works at IW (South Side) for FS Inspection
·
ABWF
and E&M works at IW (Remaining area)
·
ELS
and RC works at PST Stage 2
·
RC
work at SDB
·
Driven
H-Pile works at ADB
·
External
UU works at site-wide
·
RC
structure at AGS
·
RC
structure at TTS and Water Tightness Test
·
ABWF,
E&M and T&C work at STB
·
ELS
work at UC2 and UC3
·
E&M,
Water Tightness Test and Lining work at Sludge Digester no. 1-3
·
RC
work at PP1
·
ELS
work at Sludge Digester no.4-6 and UC4
E&M
work at Biogas Holder no.2Contract DE/2020/01:
· Installation of PV panel at IW
·