The ATAL-Degremont-China Harbour joint venture has secured a HKD$3.14bn ($404M) contract from Hong Kong’s Drainage Services Department for the first phase of the San Wai Sewage Treatment Works (STW) upgrade.
The project will use the latest sedimentation technology, which is more efficient than conventional clarifiers and requires less space, saving almost 40% of the land. It will also deploy the BIM technology to visualise the plant’s design with 3D images.
Drainage Services Department director Edwin Tong said: “The project comprises the design and construction of sewage treatment facilities with a daily treatment capacity of 200,000cb m to cater for the projected additional sewage flow due to development needs in the Northwest New Territories after 2020.
“The works will also upgrade the treatment level of the STW to the chemically enhanced primary treatment level with ultraviolet disinfection facilities for reducing pollution loads to the northwestern waters.”
Upon completion of construction works in 2020, the joint venture will undertake the operation, repair and maintenance of the STW for a contractual operation period of 15 years.
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