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