{"id":"watermain-concrete-pressure","version":"0.4.0","classification":{"uniformat":"G3010"},"names":["Watermain, concrete pressure pipe"],"aliases":["PCCP","concrete pressure pipe","prestressed concrete cylinder pipe"],"service_life":{"median_years":80,"range_years":[80,80],"range_basis":"source_spread"},"pm_tasks":[{"task":"Flush distribution mains to remove deposits","frequency":"P1Y","reference":"UFM 3-230-02 Operation and Maintenance (O&M): Water Supply Systems","url":"https://www.wbdg.org/FFC/DOD/UFC/ufm_3_230_02_2026.pdf","page":117,"checklist":"6-3.3 Flushing (text)"},{"task":"Flow test all parts of the distribution system","frequency":"P5Y","reference":"UFM 3-230-02 Operation and Maintenance (O&M): Water Supply Systems","url":"https://www.wbdg.org/FFC/DOD/UFC/ufm_3_230_02_2026.pdf","page":132,"checklist":"7-2.1.2 Hydrant-Flow Tests (text)"}],"basis":[{"type":"public_document","life_type":"accounting","title":"Quinte West: A09-POLICY-0034 Tangible Capital Asset Policy","url":"https://quintewest.ca/wp-content/uploads/2024/05/A09-POLICY-0034_-_Tangible_Capital_Asset_Policy.pdf","page":37,"label":"Water Mains - CPP (Concrete Pressure Pipe)","years":80,"note":"Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["These are Ontario accounting lives from municipal capital asset policies, not planning or observed replacement data."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-21","canonical_url":"https://unfinished.one/c/watermain-concrete-pressure","versioned_url":"https://unfinished.one/c/watermain-concrete-pressure/v/0.4.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Watermain, concrete pressure pipe, v0.4.0. https://unfinished.one/c/watermain-concrete-pressure/v/0.4.0"}