{"id":"watermain-cast-iron","version":"0.1.0","classification":{"uniformat":"G3010"},"names":["Watermain, cast iron"],"aliases":["CI watermain","cast iron pipe"],"service_life":{"median_years":75,"range_years":[75,75],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"accounting","title":"Kingston: Tangible Capital Assets Policy","url":"https://cityofkingston.ca/media/pljd1bhs/finance_policy_tangible-capital-asset-policy.pdf","page":15,"label":"Water Utility - Water Pipes: CI","years":75,"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/watermain-cast-iron","versioned_url":"https://unfinished.one/c/watermain-cast-iron/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Watermain, cast iron, v0.1.0. https://unfinished.one/c/watermain-cast-iron/v/0.1.0"}