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Water quality of Victoria Harbour fully upgraded with all Harbour Area Treatment Scheme Stage 2A facilities coming into operation (Date : 19 Dec 2015)
With the facilities of the Harbour Area Treatment Scheme (HATS) Stage 2A coming into full operation today (December 19), all sewage from both sides of Victoria Harbour will be conveyed to a sewage treatment plant for disinfection and discharge into the waters west of the harbour. This new milestone for the HATS will result in the overall enhancement of the harbour's water quality.

Officiating at the opening ceremony, the Chief Executive, Mr C Y Leung, said that the HATS is the largest environmental infrastructure project in Hong Kong's history. The construction works spanned two decades at a total cost of $25.8 billion. Adopting advanced engineering techniques to overcome physical constraints, the project involved the construction of sewage tunnels with a total length of over 44 kilometres at a depth of up to 160 metres below sea level. It also involved the upgrade of Stonecutters Island Sewage Treatment Works' annual sewage treatment capacity to 900 million cubic metres within the site of the plant, enabling it to serve more than five million people.

Also officiating at the ceremony, the Director of Drainage Services, Mr Edwin Tong, said that the sewage treatment capacity, scale and coverage of the HATS are the highest among other such projects in Hong Kong. He expressed his gratitude for the dedication and hard work of the engineering staff and over 15,000 frontline workers that made the project a success. He was also thankful for the support from the various associated bodies and government departments.

The HATS aims to improve the water quality of Victoria Harbour by collecting and treating sewage generated from both sides of the harbour. The project has been implemented in two stages. Facilities under Stage 1 were commissioned in December 2001, providing treatment for 75 per cent of the sewage generated from both sides of the harbour. The works of Stage 2A commenced in July 2009 and the flow turning process was completed last month. Through this process, the remaining 25 per cent of sewage from the northern and southwestern parts of Hong Kong Island, which previously received only preliminary treatment, will be redirected to the newly expanded Stonecutters Island Sewage Treatment Works for chemically enhanced primary treatment, meaning that sewage will no longer be discharged to Victoria Harbour.

Other officiating guests at today's ceremony included the Secretary for the Environment, Mr Wong Kam-sing; Legislative Council Member Dr Lo Wai-kwok; and the Permanent Secretary for Development (Works), Mr Hon Chi-keung.


The Chief Executive, Mr C Y Leung, attended the Grand Ceremony for Harbour Area Treatment Scheme Stage 2A held at Stonecutters Island Sewage Treatment Works today (December 19). Photo shows Mr Leung (first left) and the Secretary for the Environment, Mr Wong Kam-sing (third left), being briefed by the Director of Drainage Services, Mr Edwin Tong (middle) on the Scheme.

The Chief Executive, Mr C Y Leung, attended the Grand Ceremony for Harbour Area Treatment Scheme Stage 2A held at Stonecutters Island Sewage Treatment Works today (December 19). Photo shows Mr Leung (first left) and the Secretary for the Environment, Mr Wong Kam-sing (third left), being briefed by the Director of Drainage Services, Mr Edwin Tong (middle) on the Scheme.

Mr Leung speaks at the Grand Ceremony for Harbour Area Treatment Scheme Stage 2A.

Mr Leung speaks at the Grand Ceremony for Harbour Area Treatment Scheme Stage 2A.


Mr Tong speaks at the opening ceremony.

Mr Tong speaks at the opening ceremony.


Mr Leung (centre) and other officiating guests at the launch ceremony. Other officiating guests include (from left) the Chief Executive of Greater China of AECOM Asia Company Limited, Mr Kwan King-fai; the Permanent Secretary for Development (Works), Mr Hon Chi-keung; Mr Wong; Legislative Council Member Dr Lo Wai-kwok; Mr Tong; and Director of Ove Arup & Partners Hong Kong Limited Mr Fergal Whyte.

Mr Leung (centre) and other officiating guests at the launch ceremony. Other officiating guests include (from left) the Chief Executive of Greater China of AECOM Asia Company Limited, Mr Kwan King-fai; the Permanent Secretary for Development (Works), Mr Hon Chi-keung; Mr Wong; Legislative Council Member Dr Lo Wai-kwok; Mr Tong; and Director of Ove Arup & Partners Hong Kong Limited Mr Fergal Whyte.

Mr Leung (front row, centre) and other guests (front row from left) Mr Kwan; Mr Hon; Mr Wong; Dr Lo; Mr Tong; and Mr Whyte in a photo with workers of the Scheme.

Mr Leung (front row, centre) and other guests (front row from left) Mr Kwan; Mr Hon; Mr Wong; Dr Lo; Mr Tong; and Mr Whyte in a photo with workers of the Scheme.


 
Mr Leung (third right), and Mr Wong (first right), accompanied by Mr Tong (second right), are briefed on the operation of the sewage treatment works by Chief Engineer of the Drainage Services Department Mr Chui Wai-sing (fourth right).

Mr Leung (third right), and Mr Wong (first right), accompanied by Mr Tong (second right), are briefed on the operation of the sewage treatment works by Chief Engineer of the Drainage Services Department Mr Chui Wai-sing (fourth right).


Mr Leung (front row,centre), accompanied by Mr Hon (front row, third left), is briefed on the operation of the sewage treatment works by Mr Chui (front row,first left).
  
Mr Leung (front row,centre), accompanied by Mr Hon (front row, third left), is briefed on the operation of the sewage treatment works by Mr Chui (front row,first left).

 
 
 









 
 
 
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