New Non-Revenue Water Management · 2018. 3. 27. · 2 Non-Revenue Water Management 1. Management...
Transcript of New Non-Revenue Water Management · 2018. 3. 27. · 2 Non-Revenue Water Management 1. Management...
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Non-Revenue WaterManagement
【Leakage Control】
SUIDOU TECHNICAL SERVICE CO., LTD
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Non-Revenue WaterManagement
1. Management and analysis of the leakage
2. Periodical exchange of the aging pipe
3. Exchange and installation of the new
meters
4. Grasp of the water consumption
5. Periodical leakage investigation
6. Early repair of the leakage point
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Analysis ofNon Revenue Water
RevenueWater ( %) ㎥ /Y
Non RevenueWater
( %)
Total ( %) ㎥ /Y
Leakage ( %) ㎥ /Y
Illegal Use ( %) ㎥ /Y
Others ( %) ㎥ /Y
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Document-1 Japanese NRW(%)
(×1000㎥ ) (%)
2010 JWRC documents
System Input Volume(Water supply of one year)
14,993,678 100.00
Revenue Water 13,504,332 90.07
Non-Revenue Water 1,489,346 9.93
Leakage investigationimage drawing
ValveLeakage point
Leakage point
Leakage point
DistributionNetwork
Listening to Distribution Network
Listening to Meter and Valve
Leak Noise Correlation
Leakage Monitoring System
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Leakage Investigation Method【Listening to Meter and Valve】
Listening Stick
Meter
Leakage investigation of the service pipe
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Leakage Investigation Method【Listening to Distribution Network 】
Water leak detector
Leakage investigate of the distribution pipe
Investigation situation photograph
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Leakage Investigation Method【Leak Noise Correlation 】
Leakage point
Sensor 1 Sensor 2
Setting example
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Leakage Investigation【Report of the Leakage Point】
Leakage positionRepair point
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New Leakage Investigation【Leakage Monitoring System】
Fixed Monitoring Unit for WaterDistribution Network
・Date display of Water Leak occurrence on LCD
L-sign
・Every late night hours monitoring
・Capable of visual check foroccurrence of Water Leak
by flickering LED
・Fixable on spindle of gate valve bypowerful magnet
・Controllable by magnet with easy operation
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Leakage Monitoring System【L-sign Setting Image】
L-sign
Distribution Network
ValveLED blinkingLeakage point
Leakage point
Leakage point
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Leakage Monitoring System【Setting Photograph】
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Purpose of the InvestigationReduction of Non-Revenue Water
(Prevention of Leakage・Illegal Use)
【Investigation Effect】○ Reduction of new construction expense
○ Water resource conservation
○ Cost cut of water purification plant and the pumpingstation
○ Improvement of the financial status
○ Trust from a water user
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Typical 24 Hour Flow ProfilePrevention of the leakage is required work forwater service business
IWA documents
Enforcement of Leakage Investigation
Flow quantity predictionafter the investigation
After investigation enforcementDecline of the leakage
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Other Necessary WorkChoice of an appropriate investigation methodContinuous enforcement
of the leakage investigationMaking and management
of the drawing(Mapping system)Analysis of the leakage findingsEarly repair systemImprovement of the plumbing technology
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Leakage Point Photograph 1
Leakagefrom a vinyl pipe joint
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Leakage Point Photograph 2
Leakage of the stainless steel pipeby the poor plumbing technology
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Leakage Point Photograph 3
Leakage from a corporation cock cap
Work Contents・Leakage Investigation Trustee Business・Plan and Suggestion of the Leakage Investigation・Sale of Leakage Monitor L-sign
【Investigation Career】Year Client
・2011 Yokohama Waterworks,Japan・2011 Kawasaki Waterworks,Japan・2011 Zama Waterworks,Japan・2012 Yokohama Waterworks ,Japan・2012 Kawasaki Waterworks ,Japanother plurality
As a company specializing in the study of water leakage ,the Companyhas conducted a survey of more than 4000km each year in conjunctionwith the Group companies.
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Corporate Guidance
Company name SUIDOU TECHNICAL SERVICE CO.,LTD.Address 1-45-87-3F,Futamatagawa,Asahiku,Yokohama-city
Kanagawa,241-0821,JAPANPhone number +81-45-360-9220Fax number +81-45-360-9221E-mail address [email protected] http://www.suidou-tec.co.jp/sts-e/L-sign Homepage http://www.jwpis.jp
Please ask questions by e-mail
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