{"id":"sprinkler-dry","version":"0.1.0","classification":{"uniformat":"D4010"},"names":["Sprinkler system, dry pipe"],"aliases":["dry system","dry valve","dry sprinkler"],"service_life":{"median_years":25,"range_years":[20,50],"range_basis":"source_spread"},"pm_tasks":[],"basis":[{"type":"public_document","life_type":"planning","title":"CNA e-Tool Estimated Useful Life Table","by":"U.S. Department of Housing and Urban Development","url":"https://www.hud.gov/sites/documents/eul_for_cna_e_tool.pdf","page":14,"code":"HUD CNA 3.6.1.1","label":"Building fire suppression sprinklers, standpipes","years":50,"note":"Same life for family and elderly properties. US multifamily housing. Neither HUD nor the municipal rows separate dry from wet systems; the same rows are cited for both."},{"type":"public_document","life_type":"accounting","title":"The Blue Mountains: POL.COR.19.04 Tangible Capital Assets Policy","url":"https://www.thebluemountains.ca/sites/default/files/2022-01/POL-COR-19-04-Tangible-Capital-Assets-Policy.pdf","page":11,"label":"Sprinkler System","years":25,"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":"Grey Highlands: By-law No. 2026-052, Tangible Capital Asset Policy A09-F-03","url":"https://greyhighlands.civicweb.net/document/406218/","page":11,"label":"Sprinkler System","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":"Meaford: By-law 2020-83, Tangible Capital Asset Policy, Appendix A Estimated Useful Lives","url":"https://meaford.civicweb.net/document/103944/","page":17,"label":"Fire Protection - Sprinkler System","years":25,"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":"Amherstburg: Tangible Capital Assets Policy, Appendix A: TCA Categories, Life Years, and Thresholds","url":"https://media-001-ca.cdn.govstack.com/amherstburg-006-ca/media/vjvhyh1g/2026-08-10-tangible-capital-assets-policy-rm.pdf","page":8,"label":"Plumbing - Sprinkler System","years":20,"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":["HUD gives planning lives for US multifamily housing; the municipal rows are Ontario accounting lives. Neither is 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/sprinkler-dry","versioned_url":"https://unfinished.one/c/sprinkler-dry/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Sprinkler system, dry pipe, v0.1.0. https://unfinished.one/c/sprinkler-dry/v/0.1.0"}