{"id":"storm-sewer-concrete","version":"0.1.0","classification":{"uniformat":"G3030"},"names":["Storm sewer, concrete"],"aliases":["concrete storm main","RCP storm"],"service_life":{"median_years":62.5,"range_years":[50,75],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"accounting","title":"Brockton: Policy F06-2009-03 Capital Asset Amortization","url":"https://brockton.ca/media/xsyhwhoe/policy-f06-2009-03-capital-asset-amortization.pdf","page":3,"label":"Storm Drains - Concrete","years":75,"note":"Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page."},{"type":"public_document","life_type":"accounting","title":"Kapuskasing: By-law No. 3103, Tangible Capital Assets Policy","url":"https://kapuskasing.civicweb.net/document/6872/","page":15,"label":"Storm Sewer System - Concrete","years":50,"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.","No preventive maintenance tasks are sourced yet."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-21","canonical_url":"https://unfinished.one/c/storm-sewer-concrete","versioned_url":"https://unfinished.one/c/storm-sewer-concrete/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Storm sewer, concrete, v0.1.0. https://unfinished.one/c/storm-sewer-concrete/v/0.1.0"}