
Recommended Industry Guidance for Water Infrastructure Maintenance
Extend Water Asset Life with Condition Assessment and Rehabilitation
When it comes to water infrastructure condition assessment and rehabilitation, we’ve done our research! We’ve also served on committees and translated manuals. More than any other consultant, HDR has advanced the practice of water main condition assessment.
The below collection of documents helped inspire and inform our first-ever Condition Assessment and Rehabilitation Guide. If you’re looking for even more insight, please contact us at water [at] hdrinc.com (water[at]hdrinc[dot]com).

Condition Assessment
- Acoustic Signal Processing for Pipe Condition Assessment WRF Report 4360
- AWWA Manual M77: Condition Assessment of Water Mains
- Effects of Electrical Grounding on Pipe Integrity and Shock Hazard WRF Report 913
- Failure of Prestressed Concrete Cylinder Pipe WRF Report 4034
- Leveraging Data from Non-Destructive Examinations to Help Select Ferrous Water Mains for Renewal WRF Report 4471

Rehabilitation
- The Assess-and-Fix Approach: Using Non-Destructive Evaluations to Help Select Pipe Renewal Methods WRF Report 4473
- AWWA Manual M28: Rehabilitation of Water Mains, Fourth Edition
- Global Review of Spray-On Structural Lining Technologies WRF Report 4095
- NASSCO and WEF's Trenchless Technologies and Asset Management Manual of Practice
- No-Dig and Low-Dig Service Connections Following Water Main Rehabilitation WRF Report 2872

Infrastructure Management
- Answers to Challenging Infrastructure Management Questions WRF Report 4367
- Criteria for Optimized Distribution Systems WRF Report 4109
- Development of an Effective Asbestos Cement Distribution Pipe Management Strategy for Utilities WRF Report 4480
- Synthesis Document on Distribution System Infrastructure WRF Report 2629
- Distribution System Security Primer for Water Utilities WRF Report 2931

Research
- Asset Management Research Needs Roadmap WRF Report 4002
- An Assessment of Water Distribution Systems and Associated Research Needs WRF Report 706

Corrosion Control
- External Corrosion and Corrosion Control of Buried Water Mains WRF Report 2608
- Optimizing Corrosion Control in Water Distribution Systems WRF Report 2648
- Retrofit and Management of Metallic Pipe with Cathodic Protection WRF Report 4618

Risk Mitigation
- Investigation of Pipe Cleaning Methods WRF Report 2688
- Managing Infrastructure Risk: The Consequence of Failure for Buried Assets WRF Report 4451