Role of Research in Infrastructure Rehabilitation/Renewal
Decision Process
水道施設の更新決定プロセスにおける研究の重要性

Jian Zhang, Awwa Research Foundation, US
米国水道協会研究財団 ジャン・チェン‑ 373 ‑

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‑ 378 ‑Infrastructure Rehabilitation/Renewal Decision Processes
AwwaRF Projects
Information Collectiona) Condition Assessment
1. Water Utility Experience with Plastic Service Lines (#414). Published in 1992 – Order No.
90593.
2. Nondestructive Testing of Water Mains (#507). Published in 1992 – Order No. 90601.
3. Electromagnetic Inspection of Prestressed Concrete Pressure Pipe (#2564). Published in2001 – Order No. 90854.
4. Nondestructive, Noninvasive Assessment of Underground Pipelines (#355). Published in
2002 – Order No. 90873.
5. Workshop on Non-Interruptive Condition Assessment Inspection Devices for WaterTransmission Mains (#2871). Ongoing.
6. Testing and Condition Assessment of Joints in Water Distribution Pipelines (#2689).
Ongoing.
7. Techniques for Monitoring Structural Behavior of Piping Systems (#2612). Ongoing.
8. Installation, Condition Assessment, and Reliability of Service Lines, Connections andFittings (#2927). Ongoing.
b) Long-term Performance Prediction
1. Performance of Prestressed Concrete Pipe (#724). Published in 1994 by the U.S. Bureau ofReclamation
2. Investigation of Grey Cast Iron Water Mains to Develop a Methodology for Estimating
Service Life (#280). Published in 2000 – Order No. 90787.
3. Long-Term Performance Prediction for Polyvinyl Chloride Pipe (#2879). Ongoing.
4. Performance and Life Expectancy of Elastomeric Components in Contact With Potable Water(#2932). Ongoing.
5. Life Cycle Analysis of Epoxy Lining (#2941). Ongoing.
6. Long-Term Performance Prediction of PE Pipe (#2975). Ongoing.
7. Impact of Petroleum-Based Hydrocarbons on PE/PVC Pipes and Pipe Gaskets (#2946).
Ongoing.
8. Long-Term Performance of Ductile-Iron Pipe (#3036). Ongoing.
c) Location
1. Innovative Techniques for Lead Service Line Location (#813). Published in 1995 – Order No.
90601.
2. New Techniques for Precisely Locating Buried Infrastructure (#2524). Published in 2001 –Order No. 90859.
3. Multi-Utility Buried Pipes and Appurtenances Location Workshop (#2882). Completed in
2002. Published by UKWIR.
4. Development of Advanced Buried Infrastructure Tracer Wire (#3050). Ongoing.

1‑ 379 ‑Rehabilitation/Renewal Technologies
1. Assessment of Existing and Developing Water Main Rehabilitation Practices (#314).
Published in 1990- Order No. 90572.
2. Demonstration of an Innovative Water Main Rehabilitation Technique: In Situ Epoxy Lining(#808). Published in 1995 - Order No. 90667.
3. Demonstration of Innovative Water Main Renewal Techniques (#255). Published in 1999 Order No. 90768.
4. Lead Pipe Rehabilitation and Replacement Techniques (#465). Published in 2000- Order No.
90789.
5. Investigation of Pipe Cleaning Methods (#2688). Published in 2003 - Order No. 90938.
6. Non-Disruptive Tools for Remaking Connections After Pipe Rehabilitation (#2872).
Ongoing.
7. Guidelines to Minimizing Downtime During Pipe Lining Operations (#2956). Ongoing.
8. Technology for Horizontal Directional Drilling (#2967). Ongoing.
Decision-making and Planning
1. Water Main Evaluation for Rehabilitation/Replacement (#54). Published in 1985 –Order No.
90509.
2. Criteria for Renovation or Replacement of Water Treatment Facilities (#323). Published in1991 – Order No. 90563.
3. Quantifying Future Rehabilitation and Replacement Needs of Water Mains (#265).
Completed in 1998
4. Financial and Economic Optimization of Water Main Replacement Programs (#462).
Published in 2001 – Order No. 90821
5. Capital Planning Strategy Manual (#2520). Published in 2001 – Order No. 90838
6. Water Treatment Plant Infrastructure Assessment Manager (#460/2921). Published in 2001 –Order No. 90843.
7. Synthesis Document on Distribution System Infrastructure (#2629). Published in 2001 –Order No. 90846
8. Prioritizing Water Main Replacement and Rehabilitation (#459). Published in 2002 – OrderNo. 90898.
9. Decision Support System for Distribution System Piping Renewal (#2519). Published in2002 – Order No. 90892.
10. Costs of Infrastructure Failure (#2607). Published in 2002 – Order No. 90918.
11. Main Break Prediction, Prevention, and Control (#461). Closed.
12. Synthesis Documents on Infrastructure Integrity (#2772). Ongoing.
13. Risk Management of Large Water Transmission Mains (#2883). Ongoing.
14. Dynamic Influences on the Deterioration Rates of Individual Water Mains (#3052). Ongoing.
15. Development of Consensus Performance and Cost Targets for Water Pipeline Inspection
Technologies: A Workshop (#3065). Ongoing.

2‑ 380 ‑