{"id":"storm-sewer-concrete","version":"0.6.0","classification":{"uniformat":"G3030"},"names":["Storm sewer, concrete"],"aliases":["concrete storm main","RCP storm"],"service_life":{"median_years":90,"range_years":[50,100],"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,"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":"planning","title":"Greater Sudbury: Enterprise Asset Management Plan (2023)","url":"https://www.greatersudbury.ca/city-hall/budget-and-finance/financial-reports-and-plans/pdf-documents/enterprise-asset-management-plan/","page":28,"years":90,"note":"Asset management plan (planning life). 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,"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":"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":100,"note":"Asset management plan (planning life). Compared with an image of the cited page."},{"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":100,"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-concrete","versioned_url":"https://unfinished.one/c/storm-sewer-concrete/v/0.6.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Storm sewer, concrete, v0.6.0. https://unfinished.one/c/storm-sewer-concrete/v/0.6.0"}