PWP No. 4401DS

Feasibility Study on Relocation of Sham Tseng Sewage Treatment Works to Caverns

Project Scope

a. detailed engineering feasibility study on relocation of Sham Tseng Sewage Treatment Works (SmTSTW) to caverns and associated works, including relevant preliminary technical and impact assessments, preparation of outline design for the engineering works and formulation of implementation strategies and programmes;

b. planning review with broad technical assessment of the future land use of the existing SmTSTW site for the purpose of establishing a business case for relocating SmTSTW to caverns;

c. public engagement and consultation exercises with relevant stakeholders; and

d. associated ground investigation works.

Major Improvements and Benefits

The study will ascertain whether it is technically feasible and financially viable to relocate SmTSTW to caverns. Its relocation to caverns will release the existing site of about 1.1 hectares for housing and other purposes that will enhance our living quality and will bring extended benefits to the community and environment of Sham Tseng


Ove & Arup Partners Hong Kong Limited

Contract No.
CE 56/2014 (DS)
Project Commencement Date
Aug 2014
Project Completion Date
29 March 2019
Project estimate

About $39 million

Controlling Division
Consultants Management Division
Sewerage and sewage treatment
Tsuen Wan
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