Chapter
Aug 10, 2023
Managing the Health of a 76-Year-Old PCCP: Successful Forever Pipe Management at Saginaw Midland Municipal Water Supply Corporation
Publication: Pipelines 2023
ABSTRACT
A 1940s era 48-in. lined cylinder pipe (LCP) prestressed concrete cylinder pipe (PCCP) raw water main started experiencing an increase in failures in the last decade. In order to proactively manage the main, Saginaw Midland Municipal Water Supply Corporation (SMMWSC) executed a condition assessment of the main, including a probability of failure evaluation. Less than 1% of the inspected pipes had indications of prestressing wire breaks. The probability of failure evaluation performed in 2019 estimates that three pipes have a probability of failure above 50% by 2049, when operating at the design plus surge pressure of 250 psi.
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REFERENCES
AWWA (American Water Works Association). (AWWA C301-72) Prestressed Concrete Pressure Pipe, Steel Cylinder Type, For Water and Other Liquids. AWWA, Denver, CO.
AWWA (American Water Works Association). (AWWA C304-14) Prestressed Concrete Pressure Pipe, Steel Cylinder Type.
Information & Authors
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Pipelines 2023
Pages: 303 - 311
History
Published online: Aug 10, 2023
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P.E.
1General Manager, Saginaw-Midland Municipal Water Supply Corporation. Email: [email protected]
P.E.
2Senior Condition Assessment Engineer, Pure Technologies, a Xylem Brand. Email: [email protected]
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