|White Paper on Improvement of Structural Integrity Monitoring for Drinking Water Mains (58 pp, 3.11 MB) (EPA/600/R-05/038) March 2005
The improvement of water main structural integrity monitoring (SIM) as an approach for reducing high-risk drinking water main breaks and inefficient maintenance scheduling is explored in this white paper.
Inadequate SIM for water mains can lead to repair, rehabilitation, or replacement. A postponed response could cause serious deterioration, main breaks, or associated consequences. Conversely, if the response is too early, inefficiencies in system maintenance priorities and economics can occur. Existing SIM technologies inadequately characterize various combinations of pipe materials, configurations, and failure modes. Fortunately, substantial research to improve SIM is underway or planned, but mostly for high-risk, nondrinking water applications.
A systematic effort by EPA and other federal agencies, in cooperation with relevant stakeholders, is recommended to identify, prioritize, and capitalize on opportunities to accelerate SIM capability improvement. Research in this area is especially important because:
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