Non-Revenue Water Management. Leakage Control

Transcription

1 Non-Revenue Water Management Leakage Control SUIDOU TECHNICAL SERVICE CO., LTD 1

2 Non-Revenue Water Management 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 2

3 Analysis of Non Revenue Water Revenue Water ( %) m3 /Y Non Revenue Water Total ( %) m3 /Y Leakage ( %) m3 /Y ( %) Illegal Use ( %) m3 /Y Others ( %) m3 /Y 3

4 Document-1 Japanese NRW(%) ( 1000 m3 ) (%) System Input Volume (Water supply of one year) 14,993, Revenue Water 13,504, Non-Revenue Water 1,489, JWRC documents 4

5 Leakage investigation image drawing Leakage point Listening to Meter and Valve Valve Listening to Distribution Network Leakage point Distribution Network Leakage Monitoring System Leakage point Leak Noise Correlation 5

6 Leakage Investigation Method Listening to Meter and Valve Listening Stick Meter Leakage investigation of the service pipe 6

7 Leakage Investigation Method Listening to Distribution Network Investigation situation photograph Water leak detector Leakage investigate of the distribution pipe 7

8 Leakage Investigation Method Leak Noise Correlation Setting example Sensor 1 Sensor 2 Leakage point 8

9 Leakage Investigation Report of the Leakage Point Repair point Leakage position 9

10 New Leakage Investigation Leakage Monitoring System Fixed Monitoring Unit for Water Distribution Network L-sign Every late night hours monitoring Capable of visual check for occurrence of Water Leak by flickering LED Date display of Water Leak occurrence on LCD Fixable on spindle of gate valve by powerful magnet Controllable by magnet with easy operation 10

11 Leakage Monitoring System L-sign Setting Image Leakage point LED blinking Valve Leakage point L-sign Leakage point Distribution Network 11

12 Leakage Monitoring System Setting Photograph 12

13 Purpose of the Investigation Reduction 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 pumping station Improvement of the financial status Trust from a water user 13

14 Typical 24 Hour Flow Profile Prevention of the leakage is required work for water service business Enforcement of Leakage Investigation Flow quantity prediction after the investigation After investigation enforcement Decline of the leakage IWA documents 14

15 Other Necessary Work Choice of an appropriate investigation method Continuous enforcement of the leakage investigation Making and management of the drawing(mapping system) Analysis of the leakage findings Early repair system Improvement of the plumbing technology 15

16 Leakage Point Photograph 1 Leakage from a vinyl pipe joint 16

17 Leakage Point Photograph 2 Leakage of the stainless steel pipe by the poor plumbing technology 17

18 Leakage Point Photograph 3 Leakage from a corporation cock cap 18

19 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 Japan other plurality As a company specializing in the study of water leakage,the Company has conducted a survey of more than 4000km each year in conjunction with the Group companies. 19

20 Corporate Guidance Company name Address SUIDOU TECHNICAL SERVICE CO. LTD F,Futamatagawa,Asahiku,Yokohama-city Kanagawa, ,JAPAN Phone number Fax number address Homepage L-sign Homepage Please ask questions by 20