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Managing Stormwater for  Water Resource and Flood Control Tan Tien Ser Assistant Director Catchment & Waterways Department...
Managing the complete water cycle Rain Sea PUB is responsible for the sourcing, collection, purification and supply of dri...
Integrating the Water Loop : Water for All
<ul><li>Half of Singapore already serves as a water catchment </li></ul><ul><li>Catchment area will be increased to two-th...
INLAND RESERVOIRS ESTUARINE RESERVOIRS Poyan/Tengeh STORM WATER COLLECTION POND Tampines Pond B MacRitchie
2. Imported Water from Johor <ul><li>Two water agreements with Johor, Malaysia </li></ul><ul><ul><ul><li>1961 to 2011 </li...
Treated  Used Water Reverse Osmosis 3. NEWater:  Reclaimed Treated Used Water NEWater  Microfiltration Ultra-Violet
NEWater: Fast Expanding Kranji  (9 mgd, Jan 2003) Seletar  (5 mgd, 2004) Bedok  (7 mgd, Jan 2003) Ulu Pandan   (32 mgd, Ma...
4. Desalinated Water <ul><li>To augment and diversify our water resources </li></ul><ul><li>At 30 mgd ( 136, 000 m 3 /d  )...
Flood control aspect of Singapore’s Urban Management <ul><li>High rainfall and dense urbanization in 1970s and 1980s Singa...
Flood  Prone  Areas
<ul><li>annual rainfall of around 2350mm  </li></ul><ul><li>2 main seasons dictated by monsoons </li></ul><ul><ul><li>nort...
Past major floods in Singapore Dec 1978 1,000 people affected 7 people died Tide level = 3.2m Total flooded area = 3178 ha...
3200 ha in the 1970’s Braddell Road,  Dec 1978 Past Floods Newton Circus, Dec 1969 Braddell Road,  Dec 1978 Bideford Road,...
Recent Floods Beng Wan Road (4 Apr 05) Jurong Port Road (17 Apr 06) Pasir Ris Farmway 2 (16 Oct 05) Veerasamy  Road (13 Ap...
Strategies to prevent and alleviate floods <ul><li>Drainage master planning and development control </li></ul><ul><ul><li>...
Canal Outlet drain Closed roadside drain Open roadside drain River Types of drains/canals 820 ha safeguarded for drains an...
flood protection measures… working with developing agencies….. Commonwealth Ave/Queensway Interchange Jurong Island Comple...
Bukit Timah Phase 2A Flood Alleviation 3 1 2 1 2 3 2 1 3 4 2 1 3 4 Newton Circus , 13 May 1988 Bukit Timah Rd / Evans Rd, ...
Reservoir in the city – Marina Barrage  Marina Barrage – 3-in-1 project <ul><li>Flood alleviation – to act as a tidal barr...
Marina Barrage … further reduce flood-prone areas   Low-lying areas in Chinatown, Jalan Besar, Rochor will be protected  M...
TNP Big Walk 2008 at Marina Barrage (2 Nov 08)
Blue Map of Singapore <ul><li>14 reservoirs  </li></ul><ul><li>32 major rivers  </li></ul><ul><li>7,000+km of waterways </...
Active Beautiful Clean (ABC) Waters Programme <ul><li>Long-term initiative by PUB to transform our utilitarian concrete dr...
<ul><li>ACTIVE   Beautiful & Clean </li></ul><ul><ul><li>Providing new community space </li></ul></ul><ul><ul><li>Bringing...
<ul><li>Active   BEAUTIFUL  & Clean </li></ul><ul><ul><li>Integrating reservoirs and waterways with the urban landscape </...
<ul><li>Active Beautiful &   CLEAN  </li></ul><ul><li>-  Improving water quality </li></ul><ul><li>-  Cultivating environm...
The ABC Waters Master Plan WESTERN CENTRAL EASTERN <ul><li>28 projects over the next 5 years </li></ul><ul><li>Over 100 pr...
  Kolam Ayer ABC Waterfront   Before
Bedok Reservoir Car park Seating Gallery Floating  Gallery - decks and stage
Bedok Reservoir ABC Waters Project <ul><li>Features </li></ul><ul><ul><li>Landscaping  </li></ul></ul><ul><ul><li>Floating...
Facilities @ Bedok Reservoir
Sengkang Floating Island
Sengkang Floating Island Artist’s Impressions Today A floating boardwalk camouflaged by plants connects the island and the...
Sengkang Floating Island Artist’s Impression Fruit-themed pavilion creates a thematic link to the fruit park
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Singapore Managing Stormwater For Water Resource And Flood Control 水资源介绍

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  • Transcript of "Singapore Managing Stormwater For Water Resource And Flood Control 水资源介绍"

    1. 1. Managing Stormwater for Water Resource and Flood Control Tan Tien Ser Assistant Director Catchment & Waterways Department Public Utilities Board, Singapore
    2. 2. Managing the complete water cycle Rain Sea PUB is responsible for the sourcing, collection, purification and supply of drinking water, the treatment of used water and turning it into NEWater, as well as drainage of stormwater Desal Water NEWater NEWater Indirect Potable Use Direct Non-Potable Use
    3. 3. Integrating the Water Loop : Water for All
    4. 4. <ul><li>Half of Singapore already serves as a water catchment </li></ul><ul><li>Catchment area will be increased to two-thirds by 2009 when new schemes are completed </li></ul>1. Water from Local Catchment Punggol Reservoir Serangoon Reservoir Marina Reservoir Punggol Reservoir Marina Reservoir
    5. 5. INLAND RESERVOIRS ESTUARINE RESERVOIRS Poyan/Tengeh STORM WATER COLLECTION POND Tampines Pond B MacRitchie
    6. 6. 2. Imported Water from Johor <ul><li>Two water agreements with Johor, Malaysia </li></ul><ul><ul><ul><li>1961 to 2011 </li></ul></ul></ul><ul><ul><ul><li>1962 to 2061 </li></ul></ul></ul>State of Johor, Malaysia PUB pipelines carrying water from Johor
    7. 7. Treated Used Water Reverse Osmosis 3. NEWater: Reclaimed Treated Used Water NEWater Microfiltration Ultra-Violet
    8. 8. NEWater: Fast Expanding Kranji (9 mgd, Jan 2003) Seletar (5 mgd, 2004) Bedok (7 mgd, Jan 2003) Ulu Pandan (32 mgd, Mar 2007)
    9. 9. 4. Desalinated Water <ul><li>To augment and diversify our water resources </li></ul><ul><li>At 30 mgd ( 136, 000 m 3 /d ), it is one of the largest seawater RO plants </li></ul><ul><li>Opened by the Prime Minister on 13 Sep 05 </li></ul>Opening Ceremony Desalination Works Desalination Membranes Chemical Storage Silos
    10. 10. Flood control aspect of Singapore’s Urban Management <ul><li>High rainfall and dense urbanization in 1970s and 1980s Singapore led to frequent urban flooding </li></ul><ul><li>Exacerbated by high tides (3+m tide range) and low lying coastal areas </li></ul><ul><li>Singapore has had an ongoing effort since the later 1960s to build an effective storm drainage network </li></ul><ul><li>This is fully integrated with the development of “new towns” which today house much of the population </li></ul><ul><li>This has been very successful – with flood prone areas reduced to less than 100 hectares (and with limited flood depths) </li></ul>
    11. 11. Flood Prone Areas
    12. 12. <ul><li>annual rainfall of around 2350mm </li></ul><ul><li>2 main seasons dictated by monsoons </li></ul><ul><ul><li>northeast monsoon (Nov to Mar) </li></ul></ul><ul><ul><li>southwest monsoon (May to Sep) </li></ul></ul>Physical conditions affecting drainage in Singapore <ul><li>island generally flat with pockets of low lying areas </li></ul><ul><li>affected by high tides </li></ul><ul><li>increased stormwater runoff from urbanisation </li></ul>241.8 163.8 184.6 179.2 171.1 163.0 159.3 171.0 176.2 194.0 253.9 285.3 Amount of Rainfall (mm)
    13. 13. Past major floods in Singapore Dec 1978 1,000 people affected 7 people died Tide level = 3.2m Total flooded area = 3178 ha Dec 1969 3,000 people affected 5 people died Tide level = 3.2m Total flooded area = 2750 ha Dec 1954 50,000 people affected 5 people died Tide level = 3.2m Total flooded area = 2540 ha 326 467 512 No Record Dec 2006 8 nurseries, 29 families, 1 club house & 4 shophouses Tide level = 3.0m Total flooded area = 12 ha 366 Amount of Rainfall (mm) Year 1931 1940 1950 1960 1970 1980 1990 2000 2006 0 100 200 300 400 500 600
    14. 14. 3200 ha in the 1970’s Braddell Road, Dec 1978 Past Floods Newton Circus, Dec 1969 Braddell Road, Dec 1978 Bideford Road, Dec 1969 Flood Photo 1954 Flood Photo 1954 Orchard Road, Dec 1954 Potong Pasir, Dec 1954
    15. 15. Recent Floods Beng Wan Road (4 Apr 05) Jurong Port Road (17 Apr 06) Pasir Ris Farmway 2 (16 Oct 05) Veerasamy Road (13 Apr 07) Commonwealth Ave (18 Jan 07) Bedok Ave 3 (14 Apr 06)
    16. 16. Strategies to prevent and alleviate floods <ul><li>Drainage master planning and development control </li></ul><ul><ul><li>maintain and update the drainage master plans in tandem with land developments </li></ul></ul><ul><ul><li>ensure that proper and adequate drainage facilities are provided to serve new developments </li></ul></ul><ul><li>(ii) Drainage improvement projects </li></ul><ul><ul><li>ensure that drains and canals are upgraded in time to serve new developments </li></ul></ul><ul><ul><li>remove constrictions in old drains/canals </li></ul></ul><ul><li>(iii) Maintenance & enforcement programme </li></ul>
    17. 17. Canal Outlet drain Closed roadside drain Open roadside drain River Types of drains/canals 820 ha safeguarded for drains and canals (excludes roadside drains within road reserves)
    18. 18. flood protection measures… working with developing agencies….. Commonwealth Ave/Queensway Interchange Jurong Island Complex Crest protection for MRT Clarke Quay Station 1.0m Crest Higher platform level for wafer fabrication plants
    19. 19. Bukit Timah Phase 2A Flood Alleviation 3 1 2 1 2 3 2 1 3 4 2 1 3 4 Newton Circus , 13 May 1988 Bukit Timah Rd / Evans Rd, 13 May 1988 Thomson Road , 3 Dec 1978
    20. 20. Reservoir in the city – Marina Barrage Marina Barrage – 3-in-1 project <ul><li>Flood alleviation – to act as a tidal barrier to control floods in the city </li></ul><ul><li>Water supply – to be a freshwater reservoir </li></ul><ul><li>Lifestyle attraction – vibrant waterfront with water based activities </li></ul>Vision … an exciting & vibrant waterfront Completed . . .
    21. 21. Marina Barrage … further reduce flood-prone areas Low-lying areas in Chinatown, Jalan Besar, Rochor will be protected Marina Barrage
    22. 22. TNP Big Walk 2008 at Marina Barrage (2 Nov 08)
    23. 23. Blue Map of Singapore <ul><li>14 reservoirs </li></ul><ul><li>32 major rivers </li></ul><ul><li>7,000+km of waterways </li></ul>
    24. 24. Active Beautiful Clean (ABC) Waters Programme <ul><li>Long-term initiative by PUB to transform our utilitarian concrete drains, canals and reservoirs into vibrant, aesthetically pleasing and clean flowing streams, rivers and lakes </li></ul>“… Turn Singapore into a City of Gardens and Water” – PM Lee, ABC Waters Public Exhibition - Feb 2007
    25. 25. <ul><li>ACTIVE Beautiful & Clean </li></ul><ul><ul><li>Providing new community space </li></ul></ul><ul><ul><li>Bringing people closer to our waters </li></ul></ul>Active Beautiful Clean (ABC) Waters Programme
    26. 26. <ul><li>Active BEAUTIFUL & Clean </li></ul><ul><ul><li>Integrating reservoirs and waterways with the urban landscape </li></ul></ul><ul><ul><li>Creating aesthetically pleasing lifestyle attractions </li></ul></ul>Active Beautiful Clean (ABC) Waters Programme
    27. 27. <ul><li>Active Beautiful & CLEAN </li></ul><ul><li>- Improving water quality </li></ul><ul><li>- Cultivating environmental responsibility among people </li></ul>Active Beautiful Clean (ABC) Waters Programme
    28. 28. The ABC Waters Master Plan WESTERN CENTRAL EASTERN <ul><li>28 projects over the next 5 years </li></ul><ul><li>Over 100 projects in the long term </li></ul>
    29. 29. Kolam Ayer ABC Waterfront Before
    30. 30. Bedok Reservoir Car park Seating Gallery Floating Gallery - decks and stage
    31. 31. Bedok Reservoir ABC Waters Project <ul><li>Features </li></ul><ul><ul><li>Landscaping </li></ul></ul><ul><ul><li>Floating deck with performance stage and fishing deck </li></ul></ul><ul><ul><li>Viewing galleries on reservoir banks </li></ul></ul>
    32. 32. Facilities @ Bedok Reservoir
    33. 33. Sengkang Floating Island
    34. 34. Sengkang Floating Island Artist’s Impressions Today A floating boardwalk camouflaged by plants connects the island and the fruit park A fixed bridge connecting floating island to the Anchorvale CC The floating island helps to filter water while providing an interesting transition from the community club to the fruit park
    35. 35. Sengkang Floating Island Artist’s Impression Fruit-themed pavilion creates a thematic link to the fruit park
    36. 36. Thank You
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