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 38th Monthly EM&A Report for the construction
phase which summaries findings of the EM&A programme during the reporting
period from 1 May 2024 to 31 May 2024. As informed by the Contractor, major activities in the
reporting month were:
·
Piling at SDB
·
ABWF work, E&M works and
fixing GRC panel at CLP Substation
·
ABWF and E&M works at PST
·
ABWF, E&M works and RC
structure at IW
·
Erection temp. loading platform
at AGS
·
ELS work at AGS
·
Erection temp. loading platform
at TTS
·
ELS work at TTS
·
ELS work at STB
·
ELS work at Sludge Digester no.
1-3
·
E&M work at Biogas Holder
no. 1
·
Pipeworks for interim scheme
·
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
·
ABWF work, 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
·
ELS work at STB
·
RC Structure at STB
·
ELS work at Sludge Digester no.
1-3
·
E&M work at Biogas Holder
no. 1
·
ELS works and pipeworks at
emergency bypass chamber