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PUB Singapore

ASEAN Working Group Water Resources Management. PUB Singapore. Agenda. Urban Water Demand Management Learning Forum – Update on 2014 Workshop Sharing of Singapore’s New Initiatives in Urban Water Demand Management. Demand Management Learning Forum.

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  1. ASEAN Working Group Water Resources Management PUB Singapore

  2. Agenda • Urban Water Demand Management Learning Forum – Update on 2014 Workshop • Sharing of Singapore’s New Initiatives in Urban Water Demand Management

  3. Demand Management Learning Forum Singapore, as lead country of the project, continues to share their experience on urban water demand management through workshop and visit to ASEAN Member States (AMS). Review of activities 2009-2014 2009: 1st Urban Water Demand Management Learning Forum was held during SIWW 2009. 2010: PUB organised a workshop on Water Demand Management with funding from Singapore Ministry of Foreign Affairs (MFA) under the ASEAN Cooperative Training Award (ATA) framework for ASEAN members during SIWW 2010 2011: PUB organised a workshop on Water Quality Management Water Catchment to Consumers Tap with funding from MFA to attend Water Convention in SIWW 2011 2012: PUB organised a workshop on Sharing of Singapore’s Experience in NEWater & Desalination Projects through PPP from 30 Oct to 2 Nov 2012 2014: PUB organised a workshop on Delivering Water From Source To Tap from 29 May to 4 June 2014 with funding from MFA to attend Water Convention in SIWW 2014

  4. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 • Course Objective: To share with participants Singapore’s experience in managing our water supply resources in an integrated and sustainable way. Participants will also be able to gain global exposure and knowledge through their participation in the Singapore International Water Week (SIWW) 2014 • Target Audience: Senior level government officials in water sector Sharing on Water Demand Management Site visit to NEWater Visitor Centre Closing by Dr Raman Letchumanan, ASEAN Sec

  5. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 • Topics (PUB Singapore’s national water agency) • The Singapore’s Experience in Integrated Water Resources Management • Water Demand Management • Water Network Technologies – Intelligent Water Network, AMR • Water Conservation, Legislative & Regulatory • Water Recycling & Water Reuse Technologies • Events (Singapore International Water Week) • In Conversation, • Opening Plenary, • Lee Kuan Yew World City Prize Lecture & Singapore Water Lecture • Water Convention Water Convention session Poster Presentation Participants networking at Water Expo

  6. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 Water Convention Topics on “Delivering Water From Source To Tap”

  7. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 Participants Attended:

  8. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 Participants Attended:

  9. Singapore Cooperation Programme Training Award For ASEAN Countries – Delivering Water From Source To Tap, 29 May – 4 June 2014 “The course gave me a lot of technical and management knowledge about delivering water from source to tap, knowledge about water environment management and apply ICT in water management. These knowledge are very useful and important and I will use when I come back to Vietnam.” Mr Nguyen Xuan Thuy, Director Vietnam Environment Administration “Everything were good. I hope that the program like this will be set more and more in the future.” Mr Sumetee Charoenwongmit Chief of Planning Section Thailand Provincial Waterworks Authority “Very good training programme with good lecture and training environment.” Mr Mohd. Razali Bin Husain Senior Chief Assistant Director Malaysia Department of Irrigation and Drainage

  10. Sharing of Singapore’s New Initiatives in Urban Water Demand Management

  11. Water Demand Management Good Quality Network & Efficient Management Good Customer Service – Reliability & Quality OUTCOME Low UFW Customer Relationship Management Accurate Metering Leakage Control Strict Legislation Water Conservation UFW Control Pricing Reflect the strategic importance and scarcity value of water Water Conservation Strategy Facilitation Mandatory 3P approach Promote ownership of water conservation Cut down on excessive flow and wastage of water

  12. Unaccounted-For-Water (Non-Revenue-Water) Measure of Efficiency of the network UFW

  13. Robust & Reliable Network Good Quality Network & Efficient Management Good Customer Service – Reliability & Quality OUTCOME Low UFW Customer Relationship Management Accurate Metering Leakage Control Strict Legislation UFW Control • Challenges of maintaining Water Supply Network • Reliability of water supply • Efficient service • Good Customer Service & Low UFW

  14. Good Quality Network & Efficient Management • New Network • Good planning & design – sizing of pipes, location • of valves, alternate supplies, etc • Strict supervision & control on workmanship • Use Good quality / corrosion resistant material • Connections : Copper • Mains (100 – 300 mm) : cement-lined DI • ( ≥ 700 mm) : cement-lined steel • Existing network • Servicing and maintenance of valves / hydrants • Mains Renewal Programme • Ongoing pipe replacement programme

  15. Meter Inaccuracies and Data Handling Errors Reducing metering inaccuracies • Monthly drop tests to ascertain the accuracies of waterworks output meters • Purchase of accurate, good quality meters • Routine Maintenance and Replacement of meters • Computerized billing system (I&R in billing to flag out meter stop or faults for replacement) • Use of compound meters to capture low flows Compound meter (Replace every 2-7 yrs) Avoiding Data Handling Errors SP check readers for implausible readings flagged by billing system before release for billing 15 mm meter (Replace every 15 yrs or > 4,000 m3) Compound Meter

  16. Active Leakage Control • Annual Leak Detection Programme (300 sub-regions) • Leak Noise Loggers • Day Survey • Check for leaks 2-3 times a year especially in leak prone areas • Cover 10 – 20 km length of pipes / day • Leak Detection Network Monitoring and Alert System (40 Sites)

  17. Smart Water Grid - Real-time Monitoring of Water Distribution Network • Since 2008, research project, Waterwise, an infrastructural system of 300 probes and software : • Low cost wireless sensor network with high rate of data collection • Integration of network parameters on single platform • Potential to detect pipe burst through live data • Customised probe to measures flow, acoustics, pH, Oxidation-Reduction Potential (ORP) and electrical conductivity • Software Suite • Operate with battery and solar panel Customised Multi-parameter probe

  18. Anatomy of a Multi-Probe *Type of probe is determined by TEVA-SPOT software, human expertise and ground constraints.

  19. New Initiatives Legend Existing FM 19 Proposed new FM • Called SGD$1M leak Detection contract to inspect and check PUB large diameter watermains (500mm – 2200mm) • Install ultrasonic meters in the network to monitor zonal consumption and track abnormality 9 3 Sub-zone & its demand (mgd) 2 7 2 5 6 4 7 4 7 3 3 3 3 4 4 2

  20. Smart Water Grid for a more Efficient Water Network Management

  21. 3-Prong Water Conservation Strategy Pricing Facilitation Reflect the strategic importance and scarcity value of water 3P approach Funding Promote ownership of water conservation Water Conservation Strategy Mandatory Cut down on excessive flow and wastage of water

  22. Pricing • a: Water Conservation Tax – Tax on consumption to reinforce the water conservation message • b: Waterborne Fee – Volume-based used water fee • c: Sanitary Appliance Fee – Fixed used water fee based on the number of sanitary appliances

  23. Per Capita Domestic Water Consumption

  24. Water Conservation Framework for Domestic Sector Domestic Sector Domestic Helpers 10-Litre Challenge Roving Exhibitions Schools Website Portal Water Volunteer Groups Water Efficiency Labelling Scheme (WELS) Installation Of Dual Flush LCFCs Enhanced Water Efficient Homes Mandatory Requirements Pricing Voluntary

  25. Water Efficient Homes Programme Water Efficient Homes Programme (WEH) • Launched in Feb 2003 • 3Ps – community driven programme • Grassroots leaders distribute FOC Water Saving Kits • DIY and adopt good water saving habits (e.g. washing machines, shorter shower) • Mobile exhibitions at grassroots events • Door to door visit to assist in installation of WSDs • Can save up to 5% of monthly water consumption • By 2006 - all 84 constituencies launched • More than 910,000 water saving kits distributed & about 40% households installed Enhanced Water Efficient Homes Programme • Started in 2007 • Installation of water saving devices at high consumers

  26. Water Efficiency Labelling Scheme Water Efficiency Labelling Scheme (WELS) • Objective of WELS • To provide consumers with information on water consumption & efficiency of products which they can factor into their purchasing decisions & thus make more well-informed choices • WELS rate products in terms of water efficiency • 1 tick for Good rating, 2 ticks for Very Good rating and 3 ticks for Excellent rating • Voluntary WELS launched on 31 Oct 06 • To enhance WELS, PUB mandated it through the Mandatory WELS (MWELS) from 1 Jul 09

  27. Water Efficiency Labelling Scheme • Types of water fittings/products under Mandatory WELS • Basin taps & mixers • Shower taps & mixers • Sink/bib taps • Dual flush low capacity flushing cisterns (LCFC) • Urinals & urinal flush valve • Clothes washing machines (from 1 Oct 11) • Labelling of showerheads continue to be voluntary • In addition, from 1 Jul 09, all new developments & existing premises undergoing renovation must be installed with products that are labeled with at least a “1-tick” rating or higher • From 1 April 14, sale and supply of at least “1-tick” rating or higher • clothes washing machine Clothes Washing Machines

  28. Water Conservation Awareness & Outreach Programmes • Water Conservation Animation Competition School Textbook • “Time to Save” Programme Foreign Workers & Domestic Helpers TV Segments & Large Screeens

  29. Water Pricing and Initiatives vs Consumption

  30. Water Conservation Framework for Non Domestic Sector Non-Domestic Sector Reduce Replace Reuse Water Efficient Building certification Water Efficiency Management Plan NEWater /seawater/ rainwater Promote Recycling Throug Mandatory Requirements Pricing

  31. Reduce: Water Efficient Building (WEB) Certification SS 577 certified Water Efficiency Performance Gold – Top 10% Silver – Top 25% GOLD Submitted Water Efficiency Management Plan annually Implemented fault reporting system SILVER Water consumption monitoring Gold - Weekly Silver - Monthly Installed private water meters Adopted water efficient flow rates & flush volume BASIC

  32. Reduce: Water Efficiency Management Plan (WEMP) • Mandatory from 2015 • analysis of current water use • identification of potential water saving measures • action plan and implementation timelines • Apply Water Efficiency Fund to implement measures Trending of water consumption against business activity indicator Trending of annual Water Efficiency Index / recycling rates Breakdown of Water Usage Action Plan

  33. Reduce: SS 577: 2012 Water Efficiency Management Systems • Launched in Mar 2013 • Objective: To enable an organisation to take a systematic approach to achieve continual improvement of water efficiency and to develop and implement water saving measures • Specifies requirements that contribute to water efficiency: • Leadership & commitment, water usage, monitoring, measurement, documentation and reporting, design and procurement practices for equipment, systems, processes and personnel • Facilitate organisations to prepare their WEMP

  34. Replace: Substitution with other sources of water • PUB encourages substitution of potable water with NEWater,rainwater and sea water • NEWater : • Frees up potable water for other uses • Quality suitable for process use (UPW), boilers, laundry, air-con cooling towers, toilet flushing, general washing • Lower price - ($1.22 compared to $1.52) • Rainwater Harvesting allowed • To consult PUB for any rainwater collection system • To comply with NEA’s requirements on mosquito prevention

  35. NEWater Factories Bedok NEWater Factory Kranji NEWater Factory Seletar NEWater Factory Jan 2003 Kranji NEWater Factory (9 mgd)  expanded to 17 mgd Jan 2003 Bedok NEWater Factory (7 mgd)  expanded to 18 mgd Jan 2004 Seletar NEWater Factory (5mgd) (decommissioned in 2011) Ulu Pandan NEWater Factory Changi NEWater Factory • Year 2010 Changi NEWater Factory (50mgd) - DBOO Mar 2007 Ulu Pandan NEWater Factory (32 mgd)- DBOO

  36. NEWater Service Reservoirs NEWater SR @ Mandai Hill

  37. Recycle: Encourage recycling for reuse • PUB encourages recycling of the following streams for reuse for non-potable purposes: • Process water • Greywater

  38. Water Efficiency Fund Co-fund 50%, capped at $50,000 Co-fund 90%, capped at $15,000 Based on water savings or capital cost (capped at $1million) Co-fund 50%, capped at between $200 - $5,000

  39. Thank you Thank you

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