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Water Talks: Pipeline Maintenance
The document outlines the operations and maintenance practices for water pipelines, detailing the types of pipes used and construction methods. It emphasizes the importance of data collection for assessing pipeline performance and health, including techniques for both in-service and out-of-service evaluation. Additionally, it discusses the benefits of utilizing remotely operated vehicles (ROVs) for inspections, highlighting their role in reducing costs and environmental impacts.
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Water Talks: Pipeline Maintenance
- 1. John Galleher Operations &Maintenance Manager January 31, 2012
- 5. 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
- 6. 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?
- 7. 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)
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- 9. Test points to measure corrosion activity on the pipelines 9
- 12. Acoustic Data Location Data Fiber Optic Cable Analysis Data Acquisition System E-mail Posted to Website Notification
- 17. ROV inspections can: ◦ Reduce impacts to Member Agencies ◦ Decrease cost of shutdowns ◦ Reduce environmental impacts Current ROV technology ◦ Video, sonar, and modeling software
- 18. Power Supply Microprocessor On-Board Memory Pinger Temperature Rotation Sensor Sensor Acoustic Sensor
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- 20. Fortunately the Water Authority’s pipelines are large enough to walk (or sometimes crawl) inside to collect data.
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- 39. Cover prior to1990
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- 41. Visit our website:SDCWA.org sdcwa.org/mobile-news-app 41