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 41st
Monthly EM&A Report for the construction phase which summaries findings of
the EM&A programme during the reporting period from 1 August 2024 to 31 August 2024. As informed by the
Contractor, major activities in the reporting month were:
· E&M works and fixing
GRC panel at CLP Substation
· ELS works and pipeworks at
emergency bypass chamber
· 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 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 at the existing
inspection chamber & inlet effluent pipes from NSWSPS