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9382WF

Ngau Tam Mei Water Treatment Works Extension – Main Works – Package One

Ngau Tam Mei Water Treatment Works Extension – Main Works – Package One

Project Scope

  1. increasing the water treatment capacity of the Ngau Tam Mei water treatment works (NTM WTW) from 230 000 cubic metres (m3) per day to 440 000 m3 per day by constructing new water treatment facilities within the existing NTM WTW and enhancing the existing associated facilities, and providing spare space in the new facilities to cater for possible further increasing of water treatment capacity up to 640 000 m3 per day to cater for the demands in future;
  2. laying approximately 8 kilometres (km) long of fresh water trunk mains with diameter ranging from 1 400 millimetres (mm) to 2 000 mm from the NTM WTW to the fresh water supply systems near Pok Oi Interchange and Tan Kwai Tsuen;
  3. constructing an approximately 0.6 km long tunnel for the laying of raw water mains with diameter ranging from 2 000 mm to 2 800 mm with provision of vehicular access, two raw water main connection chambers (namely “Chamber G2” and “Chamber G3”) for connections with the existing raw water tunnels and a ventilation building and a tunnel portal within the WTW, and providing ventilation and fire fighting systems inside the tunnel for the purpose of daily operation and maintenance;
  4. extending Ngau Tam Mei fresh water primary service reservoir for an additional capacity of about 54 000 m3; and
  5. carrying out other associated works.

Approved Project Estimate

$9,608.5 million

Construction Commencement Date

October 2025

Estimated Construction Completion Date

Second quarter of 2031

Current Progress

Construction is in progress

Project Office in WSD

Consultants Management Division

Consultant

Ove Arup and Partners Hong Kong Limited

Contract

     (NEC HK Edition ECC Option C)

     (NEC HK Edition ECC Option C)

Contractor