Drainage Services Department

PWP No. 4387DS

Upgrading of Mui Wo Sewage Treatment Works and Sewerage at Mui Wo Town Centre and Wang Tong

Project Scope

The scope of the project comprises:

(a) upgrading of the existing Mui Wo STW to a capacity of 3 700 cubic metres (m3) per day;

(b) upgrading of about 2.0 kilometres (km) of existing gravity trunk sewers with larger pipes ranging from 300 millimetres (mm) to 750 mm in diameter in Mui Wo town centre;

(c) construction of about 2.9 km of sewers ranging from 150 mm to 250 mm in diameter for two unsewered areas in Mui Wo, namely Wang Tong and Yue Kwong Chuen; and ancillary works; and

(d) ancillary works.

Major Improvements and Benefits

The project aims at providing public sewerage to Mui Wo so as to improve the water quality in nearby watercourses and Silver Mine Bay as well as the sanitary conditions of these unsewered villages.


AECOM Asia Company Limited


Sum Kee – CEC Joint Venture

Contract No.
Project Commencement Date
31 Jul 2012
Project Completion Date
23 Apr 2018
Project estimate

About $967 million

Controlling Division
Consultants Management Division
Sewerage and sewage treatment
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