{"id":"water-valve","version":"0.1.0","classification":{"uniformat":"G3010"},"names":["Watermain valve"],"aliases":["gate valve","main valve","isolation valve"],"service_life":{"median_years":50,"range_years":[40,75],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"accounting","title":"Kenora: AF-6-1 Tangible Capital Asset Policy (By-law 34-2026)","url":"https://listview.kenora.ca/Files/City%20Policy%20Manual/Administration%20and%20Finance/AF-6-1%20Tangible%20Capital%20Asset.pdf","page":17,"label":"Water Mains - Valves","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":"Kingston: Tangible Capital Assets Policy","url":"https://cityofkingston.ca/media/pljd1bhs/finance_policy_tangible-capital-asset-policy.pdf","page":15,"label":"Water Utility - Water Other: Water valves","years":50,"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":"Prince Edward: FIN-12 Tangible Capital Assets Policy","url":"https://www.thecounty.ca/wp-content/uploads/2023/09/FIN-12-Tangible-Capital-Asset-Policy.pdf","page":34,"label":"Water - Valves (Pooled)","years":40,"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":"Trent Lakes: 5.17 Capital Asset Policy","url":"https://www.trentlakes.ca/media/fjaduus0/517_capital-asset-policy.pdf","page":10,"label":"Water - Valves","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/water-valve","versioned_url":"https://unfinished.one/c/water-valve/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Watermain valve, v0.1.0. https://unfinished.one/c/water-valve/v/0.1.0"}