Chapter
Aug 30, 2024
Longest Canadian PipeDiver Inspection: 18.6 km Electromagnetic Inspection for the City of Winnipeg
Publication: Pipelines 2024
ABSTRACT
The City of Winnipeg retained Pure Technologies, a Xylem brand (Pure Technologies), to conduct a condition assessment of the prestressed concrete cylinder pipe (PCCP) on the 1,650-mm Branch II Aqueduct in Winnipeg, Manitoba. On September 21, 2022, Pure Technologies used its proprietary PipeDiver platform, a non-destructive electromagnetic inspection technology to locate and identify pipes that have broken prestressing wire wraps. The inspection covered a cumulative distance of 18.63 km and spanned a total of 3,826 pipes from the Deacon Water Treatment Plant to the South Cell of the Wilkes Reservoir. Analysis of the data obtained during the inspection determined that 33 pipes in the 1,650-mm Branch II Aqueduct displayed an electromagnetic anomaly consistent with prestressing wire damage, ranging from 5 to 20 broken wire wraps.
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REFERENCES
AWWA (American Water Works Association). 1984. AWWA C301 Standard for Prestressed Concrete Pressure Pipe, Steel-Cylinder Type, For Water and Other Liquids, Denver, Colorado.
AWWA (American Water Works Association). 2014. AWWA C304 Standard for Design of Prestressed Concrete Cylinder Pipe, Denver, Colorado.
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Pipelines 2024
Pages: 462 - 469
History
Published online: Aug 30, 2024
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1Canadian Business Development Manager, Assessment Services, Pure Technologies Ltd. Email: [email protected]
2Condition Assessment Engineer, Assessment Services, Pure Technologies Ltd. Email: [email protected]
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