John GalleherOperations & Maintenance Manager                 January 31, 2012
   Concrete Pressure Pipe (167 mi)    ◦   Reinforced Concrete Cylinder    ◦   Prestressed Concrete Cylinder    ◦   Reinfo...
Data Collection                                                  Construction                                            ...
   In Service    ◦ Collect Pipeline Data         Soil corrosivity, chemical analysis, etc    ◦   Remotely Operated Recti...
8
   Test points to measure corrosion activity on    the pipelines                                                   9
Acoustic Data                             Location DataFiber Optic   Cable                                        Analysis...
   ROV inspections can:    ◦ Reduce impacts to Member Agencies    ◦ Decrease cost of shutdowns    ◦ Reduce environmental ...
Power Supply              MicroprocessorOn-BoardMemory                     PingerTemperature      RotationSensor          ...
19
   Fortunately the Water Authority’s pipelines    are large enough to walk (or sometimes    crawl) inside to collect data.
Damaged Area
24
28
29
Installing SteelReplacement
302520151050 1980   1985   1990   1995   2000   2005   2010   2015                                                        ...
34
35
36
37
Cover prior to 1990
Top of Pipe
Visit our website: SDCWA.orgsdcwa.org/mobile-news-app                                                           41
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
Water Talks: Pipeline Maintenance
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Water Talks: Pipeline Maintenance

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Water Authority Operations and Maintenance Manager John Galleher discusses pipeline monitoring and maintenance on the Water Authority's 300 miles of pipeline. From Water Talks: Building and Securing Water Reliability held on January 31, 2012.

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Water Talks: Pipeline Maintenance

  1. 1. John GalleherOperations & Maintenance Manager January 31, 2012
  2. 2.  Concrete Pressure Pipe (167 mi) ◦ Reinforced Concrete Cylinder ◦ Prestressed Concrete Cylinder ◦ Reinforced Concrete Non-cylinder ◦ Concrete Bar-Wrapped Cylinder Steel (132 mi) ◦ Concrete Coated ◦ Dielectric Tape Coated 5
  3. 3. Data Collection Construction Practices ◦ Soils Design Modes Of Design Features Operation ◦ ◦ Inspection Reports ◦ Installation Techniques Conveyed Product Maintenance Procedures ◦ How the Pipeline is operated External Environment Develop Performance and Impact Factors ◦ What affects the service life? ◦ How can we extend the life?
  4. 4.  In Service ◦ Collect Pipeline Data  Soil corrosivity, chemical analysis, etc ◦ Remotely Operated Rectifiers (corrosion control) ◦ Acoustical Fiber Optic Monitoring (wire breaks) ◦ Remotely Operated Vehicles (ROV’s) ◦ Leak Detection Out of Service ◦ Visual  Sounding, cracks, separated joints, etc. ◦ Electromagnetics (concrete pipe) ◦ Magnetic Flux Leakage (steel pipe)
  5. 5. 8
  6. 6.  Test points to measure corrosion activity on the pipelines 9
  7. 7. Acoustic Data Location DataFiber Optic Cable Analysis Data Acquisition System E-mail Posted to Website Notification
  8. 8.  ROV inspections can: ◦ Reduce impacts to Member Agencies ◦ Decrease cost of shutdowns ◦ Reduce environmental impacts Current ROV technology ◦ Video, sonar, and modeling software
  9. 9. Power Supply MicroprocessorOn-BoardMemory PingerTemperature RotationSensor Sensor Acoustic Sensor
  10. 10. 19
  11. 11.  Fortunately the Water Authority’s pipelines are large enough to walk (or sometimes crawl) inside to collect data.
  12. 12. Damaged Area
  13. 13. 24
  14. 14. 28
  15. 15. 29
  16. 16. Installing SteelReplacement
  17. 17. 302520151050 1980 1985 1990 1995 2000 2005 2010 2015 33
  18. 18. 34
  19. 19. 35
  20. 20. 36
  21. 21. 37
  22. 22. Cover prior to 1990
  23. 23. Top of Pipe
  24. 24. Visit our website: SDCWA.orgsdcwa.org/mobile-news-app 41

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