Rivers in the City by Ir Richard LEUNG

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Ir. Richard LEUNG Drainage Services Department 16 Jan 2020 Hong Kong 2020 International Urban Forestry Conference 1 Beijing 600 Seoul Vancouver 1200 1300 Hong Kong Tokyo 1500 2400 Taipei 2100 San Francisco 600 Bangkok 1500 Manila 2200 Singapore 2200 Jakarta 1700 Sydney Santiago 300 1200 High Annual Rainfall Source: 2 http://worldweather.wmo.int/en/home.html 1989 3 Channelisation Good hydraulic performance 4 Flooding Blackspots 90 6 2019 1995 2019 5 6 Tai Wai, Fo Tan, Jordan Valley Grey Anderson Road Quarry From to Yuen Long Town Nullah Tung Chung River Park Blue-Green Tsui Ping River Revitalisation Study Kai Tak River Eco-hydraulic study –site trials Shenzhen River Practice Note – Environmental and Ecological Considerations of River Design Eco-hydraulic study Lam Tsuen River Ho Chung River Practice Note – Environmental Considerations of River Design Concrete Yuen Long Bypass Floodway Channels Ng Tung River 7 Green Rivers 8 Ng Tung River (1997 – 2000) 8 Green and Ecological Rivers Yuen Long Bypass Floodway 9 9 Green and Ecological Rivers 10 Upper Lam Tsuen River 10 Revitalization of water bodies? Efficient Drainage Ecological Greener value Multiple Functions environment of Drainage Facilities (Co-use of land) Water Community friendliness environment 11 2015 Policy Address 2017 Policy Address Adopt the concept of Review and evaluate the revitalising water bodies revitalisation potential of the large–scale drainage major nullahs in Hong Kong improvement works and planning drainage networks Identify suitable nullahs for for New Development Areas revitalisation 12 2019 Policy Address 13 First Urban Green River Corridor (2018) Kai Tak River 14 Tsui Ping River – Walkability and Connectivity 15 Jordan Valley Nullah – Landscaping Enhancement 16 Tai Wai Nullah – River Oasis 17 Fo Tan Nullah – River of Art 18 Flood Lake Park (Development of Anderson Road Quarry Site by CEDD) 19 Tung Chung River – First River Park (Tung Chung New Town Extension by CEDD) 20 Lower Lam Tsuen River Eco-hydraulic Site Trials Before After https://www.dsd.gov.hk/EcoDMS/TC/Home/Home.html 22 Live with Rivers Thematic Planting Event or carnival Pet Garden Picnic Educational Tour 23 Collaboration Annual DSD R&D Forum Green Groups Collaboration Academic Gathering 3324 24 DSD endeavours to adopt blue green infrastructure designs Thank you 25.

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