Contract No. 4/WSD/11
Construction of Butterfly Valley Fresh Water Primary Service Reservoir extension and associated mainlaying
The Works include
- expanding the storage capacity of the existing Butterfly Valley fresh water primary service reservoir (FWPSR) from 40,000 m3 to 120,000 m3; and
- laying about 900 metres associated fresh water mains with diameters ranging from 900 millimetres (mm) to 1,800 mm in Sham Shui Po and Kowloon City.

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