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 39th Monthly EM&A Report for the construction
phase which summaries findings of the EM&A programme
during the reporting period from 1 June 2024 to 30 June 2024. As informed by the
Contractor, major activities in the reporting month were:
·
Demolition at existing PST
·
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
·
ELS work at AGS
·
ELS work at TTS
·
ELS work 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:
·
Piling at SDB
·
Demolition at existing PST
·
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
·
ELS work at AGS
·
ELS work at TTS
·
RC Structure at TTS
·
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