{"id":"storm-sewer-pvc","version":"0.2.0","classification":{"uniformat":"G3030"},"names":["Storm sewer, PVC"],"aliases":["PVC storm main"],"service_life":{"median_years":110,"range_years":[110,110],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"planning","title":"Cornwall: 2025 Asset Management Plan City of Cornwall","url":"https://media-003-ca.cdn.govstack.com/cornwall-ca/media/zf1flyyr/2025-asset-management-plan.pdf","page":336,"years":110,"note":"Asset management plan (planning life). Compared with an image of 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.","No preventive maintenance tasks are sourced yet."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/storm-sewer-pvc","versioned_url":"https://unfinished.one/c/storm-sewer-pvc/v/0.2.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Storm sewer, PVC, v0.2.0. https://unfinished.one/c/storm-sewer-pvc/v/0.2.0"}