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Environmental Management

Roof Greening

Roof greening is an effective mitigation measure to improve air pollution in urban areas, lower indoor temperature, and reduce building energy consumption. It also can beautify building appearance and creates wildlife habitats to improve biodiversity of surrounding environment. When identifying sites for green roofs, we engage qualified persons to assess viable locations and their respective load-bearing capacities. Construction is carried out only after detailed design is completed. In 2017-18, we carried out roof greening for the following 9 DSD facilities:

  • Tsuen Wan Sewage Pumping Station
  • Shek Chung Au Sewage Pumping Station
  • Stonecutters Island Sewage Treatment Works (Sludge Dewatering Facility)
  • North Point Preliminary Treatment Works
  • Wan Chai East Preliminary Treatment Works
  • Central Preliminary Treatment Works
  • Ma Po Mei Sewage Pumping Station (Lam Tsuen Valley Sewerage, Stage 2)
  • Pak Ngau Shek Sewage Pumping Station (Lam Tsuen Valley Sewerage, Stage 2)
  • She Shan Tsuen Sewage Pumping Station (Lam Tsuen Valley Sewerage, Stage 2)
Green roof of North Point Preliminary Treatment Works

Green roof of North Point Preliminary Treatment Works

Green roof of Central Preliminary Treatment Works

Green roof of Stonecutters Island Sewage Treatment Works Sludge Dewatering Facility

Green roof of Stonecutters Island Sewage Treatment Works Sludge Dewatering Facility

Green roof of Main Pumping Station No.2 of Stonecutters Island Sewage Treatment Works

Green roof of Main Pumping Station No.2 of Stonecutters Island Sewage Treatment Works

Green roof of Wan Chai East Preliminary Treatment Works

Green roof of Wan Chai East Preliminary Treatment Works