Happy Valley Racecourse is a landmark of Happy Valley. The Happy Valley Recreation Ground consisted of 11 sports pitches, a jogging track, some fitness facilities and a large landscaped area. Substantial amount of water was required every day for irrigation and toilet flushing. Happy Valley Underground Stormwater Storage Scheme (HVUSSS) being carried out within the Happy Valley Recreation Ground provides an opportunity for installing a Water Harvesting System (WHS) to collect groundwater, excessive irrigation water and rainwater for reuse in irrigation and toilet flushing upon suitable treatment. The WHS, upon commission, will save a considerable amount of fresh water supply.
Being located at the Happy Valley Recreation Ground, the proposed fan room and pump house have been designed to be covered by greenery to minimise visual impact. The “Lawn on Top” design concept has been adopted for the pump house to blend it with the surrounding environment. The sloping green roof of the pump house and the cover of the storage tank intake structure will be open to the public and served as sitting-out areas for spectators.
In addition to the landscaping and architectural design, the construction works have also been implanted with environmentally friendly elements. These include the use of recycled exterior building materials, recycled porous paving blocks, solar panels and high energy efficient appliance to reduce energy consumption and carbon emissions. With the adoption of these sustainable constituents, HVUSSS has clinched the Platinum rating in the provisional assessment of BEAM Plus – New Building granted by the Hong Kong Green Building Council.
Water reclamation is one of the key initiatives under the Total Water Management Strategy. It refers to the use of reclaimed water to replace high quality fresh water used for non-potable purposes. Reuse of treated effluent, grey water recycling and rainwater harvesting are examples of water reclamation.
In 2013-14, the daily use of reclaimed water used by DSD was about 1,200 cubic metres. The new water reclamation facility of Tai Po STW was commissioned in December 2013, further increasing the production of reclaimed water.
We have adopted the use of the following green materials and products in our daily operations:
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