Page 129 - The Hong Kong Green Building Council (HKGBC) 香港綠色建築議會
P. 129
After more than 50 years of development, Water is a precious natural resource. Use of KEY TEAM MEMBERS
Hong Kong is now supplying an average of seawater for toilet flushing with a view to Owner / Developer
about 278 million m3 per annum of seawater savingfreshwaterisprovingtobeanimportant HKSAR Government
for toilet flushing, with a network covering and highly effective water management
about 80 percent of its 7 million inhabitants, measure to ensure the sustainable use of SERVICE RESERVIOR
and contributing to a saving of about water resources. This project shows the
23 percent of its freshwater consumption. Government’s determination to conserve
Nevertheless, WSD plans to extend the use precious fresh water by further extending
of seawater for toilet flushing whenever it is the salt water supply network in Hong Kong.
economically justified to conserve precious Drawing on its successful past experience in
fresh water. This project is one such example. replacing fresh water with seawater for toilet
When the new salt water supply system is flushing, both WSD and the industry are now
fully commissioned, an estimated population further exploring reclaimed water to replace
of 696,000 people residing in Tin Shui Wai, fresh water not only for toilet flushing, but
Yuen Long Town, the Yuen Long – Tuen Mun also extending to other non-potable uses
Corridor, the eastern part of Tuen Mun New such as irrigation.
Town and Tuen Mun East areas will be served
with salt water for toilet flushing, and it is
estimated that about 24 million m3 per annum
of fresh water will be saved.
NON-RETURN
VALVE
SEA WALL PUMPING TO SUPPLY TO SUPPLY
SEA LEVEL STATION WATERMAIN WATERMAIN
TO SUPPLY
TO SUPPLY
INTAKE
CULVERT
HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014 127
Hong Kong is now supplying an average of seawater for toilet flushing with a view to Owner / Developer
about 278 million m3 per annum of seawater savingfreshwaterisprovingtobeanimportant HKSAR Government
for toilet flushing, with a network covering and highly effective water management
about 80 percent of its 7 million inhabitants, measure to ensure the sustainable use of SERVICE RESERVIOR
and contributing to a saving of about water resources. This project shows the
23 percent of its freshwater consumption. Government’s determination to conserve
Nevertheless, WSD plans to extend the use precious fresh water by further extending
of seawater for toilet flushing whenever it is the salt water supply network in Hong Kong.
economically justified to conserve precious Drawing on its successful past experience in
fresh water. This project is one such example. replacing fresh water with seawater for toilet
When the new salt water supply system is flushing, both WSD and the industry are now
fully commissioned, an estimated population further exploring reclaimed water to replace
of 696,000 people residing in Tin Shui Wai, fresh water not only for toilet flushing, but
Yuen Long Town, the Yuen Long – Tuen Mun also extending to other non-potable uses
Corridor, the eastern part of Tuen Mun New such as irrigation.
Town and Tuen Mun East areas will be served
with salt water for toilet flushing, and it is
estimated that about 24 million m3 per annum
of fresh water will be saved.
NON-RETURN
VALVE
SEA WALL PUMPING TO SUPPLY TO SUPPLY
SEA LEVEL STATION WATERMAIN WATERMAIN
TO SUPPLY
TO SUPPLY
INTAKE
CULVERT
HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014 127
