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 44th Monthly EM&A
Report for the construction phase which summaries findings of the EM&A
programme during the reporting period from 1 November 2024 to 30 November 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, E&M work and RC structure
at IW
·
ABWF and E&M works at PST
·
External works at site-wide of
predrilling at walkway
·
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
·
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 29 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 will be anticipated in the next three months are as follow:
·
E&M works and fixing GRC panel at
CLP Substation
·
ELS works at the existing inspection
chamber & inlet effluent pipes from NSWSPS
·
ABWF, E&M work and RC structure at
IW
·
ABWF and E&M works at PST
·
Piling and ELS work at SDB
·
Modification of existing Detritor
·
External works at site-wide include
water structure cabinet
·
ELS work and RC structure at AGS
·
ELS work and RC structure at TTS
·
ABWF, E&M work and RC structure at
STB
·
Demolish Existing SDT 1-4 and Gas
Holder GH2
·
ELS work and RC structure at Sludge
Digester no. 1-3
·
E&M work at Biogas Holder no. 1