This Quarterly
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 12th
Quarterly EM&A Report for the construction phase which summaries findings
of the EM&A programme during the reporting period from 1 January 2024 to 31
March 2024. As informed by the Contractor, major activities in the reporting
month were shown in section 1.4.1.
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 period.
No
Action and Limit Level exceedance was recorded for water quality monitoring in
the reporting period.
No
Action / Limit exceedance was recorded for noise levels at stations (NMS1 and
NMS2) in close proximity to the active ardeid night roosts during the reporting
period.
Two
exceedances in Action Level were recorded for the ecological monitoring of
birds on 5 February 2024 (daytime) and 28 February 2024 (night-time). These
include significant decline in point count method result for species diversity
of all avifauna species, and for species diversity of avifauna species with
conservation importance.
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.