This Monthly
Environmental Monitoring and Audit (EM&A) Report is prepared for Contract
No. SPW 02/2023 “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 40th
Monthly EM&A Report for the construction phase which summaries findings of
the EM&A programme during the reporting period from 1 July 2024 to 31 July 2024.
As informed by the Contractor, major activities in the reporting month were:
·
E&M
works and fixing GRC panel at CLP Substation
·
ABWF
and E&M works at PST
·
ABWF,
E&M work and RC structure at IW
·
Existing
PST demolition
·
Piling
at SDB
·
ELS
work at AGS
·
ELS
work at TTS
·
RC
Structure at STB
·
ELS
work at Sludge Digester no. 1-3
·
E&M
work at Biogas Holder no. 1
·
ELS
works at emergency bypass chamber
·
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” and “SAS Thickener House-2” were submitted to EPD
respectively on 1st November 2021, 23rd November 2021, 29th April 2022, 6th
July 2022 and 19th June 2023. No contaminated soil and ground water was found
within the Main Storeroom & Workshop, Mechanical Workshop, Waste Storage
Area, SAS Thickener House-1 and SAS Thickener House-2, 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 will be
anticipated in the next three months are as follow:
·
E&M
works and fixing GRC panel at CLP Substation
·
ABWF
and E&M works at PST
·
ABWF,
E&M work and RC structure at IW
·
Piling
at SDB
·
ELS
work at AGS
·
ELS
work at TTS
·
RC
Structure at TTS
·
RC
Structure at STB
·
ABWF,
E&M work and RC structure at STB
·
ELS
work at Sludge Digester no. 1-3
·
RC
Structure at Sludge Digester no. 1-3
·
E&M
work at Biogas Holder no. 1
·
ELS
works and pipeworks at emergency bypass chamber
·
ELS
works at the existing inspection chamber & inlet effluent pipes from NSWSPS