{"id":"fire-extinguisher","version":"0.3.0","classification":{"uniformat":"D4030"},"names":["Portable fire extinguisher"],"aliases":["extinguisher","ABC extinguisher"],"service_life":{"median_years":15,"range_years":[10,15.5],"range_basis":"source_spread"},"pm_tasks":[{"task":"Fire extinguisher inspection (by a competent person)","frequency":"P1Y","reference":"Good estate management for schools: Compliance tracker","url":"https://assets.publishing.service.gov.uk/media/5f84b003e90e077041376d18/Compliance_Tracker.xlsx","checklist":"Compliance tracker, sheet \"Tracker\", ref 12"},{"task":"Maintain and inspect extinguisher: visual check, contents and stored pressure","frequency":"P1Y","reference":"Good estate management for schools: Health and safety","url":"https://www.gov.uk/guidance/good-estate-management-for-schools/health-and-safety","checklist":"Fire safety - Extinguishers"},{"task":"Visual check: in place, unobstructed, charged, in good order","frequency":"P1M","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":304,"checklist":"FLSF-FEX-01-01M Fire Extinguishers - Inspection"},{"task":"Annual maintenance of stored-pressure extinguishers","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":310,"checklist":"FLSF-FEX-02-01Y Fire Extinguishers - Stored Pressure with Gauge"},{"task":"Six-year maintenance of stored-pressure extinguishers (non-stainless shells)","frequency":"P6Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":312,"checklist":"FLSF-FEX-02-06Y Fire Extinguishers - Stored Pressure With Gauge (Non-Stainless Steel Shell)"},{"task":"Hydrostatic test (CO2, water, foam, stainless dry chemical)","frequency":"P5Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":306,"checklist":"FLSF-FEX-01-05Y Fire Extinguishers - Hydrostatic Testing, Carbon Dioxide, Stored Pressure and AFFF"},{"task":"Hydrostatic test (dry chemical, halon, cartridge types)","frequency":"P12Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":308,"checklist":"FLSF-FEX-01-12Y Fire Extinguishers - Hydrostatic Testing, Halon, Dry Powder, Stored Pressure, Cartridge Operated"}],"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":15,"code":"HUD CNA 3.6.1.4","label":"Fire extinguishers","years":[10,15],"note":"Family properties 10 years, elderly 15. US multifamily housing."},{"type":"public_document","life_type":"accounting","title":"General depreciation rates (IR265), July 2021","by":"Inland Revenue (Te Tari Taake), New Zealand","url":"https://www.ird.govt.nz/-/media/project/ir/home/documents/forms-and-guides/ir200---ir299/ir265/ir265-2021.pdf","page":48,"code":"FACT","label":"Fire extinguishers","years":15.5,"note":"Printed page 48. Factory and other sundries category. Printed DV 13%, SL 8.5%. Tax depreciation lives set by the Commissioner of Inland Revenue for New Zealand income tax, not engineering or asset-management lives; they are banded and often short (e.g. reticulation piping 25 years). The July 2021 edition was the newest PDF reachable; the online Depreciation Rate Finder may hold later determinations."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["Every source here is a published planning, design or accounting life. None is observed replacement data.","Written for schools in England; several rows are statutory safety checks under UK law rather than equipment maintenance.","Written for schools in England.","Written for GSA contracted O&M in US federal buildings; job plans are generic and defer to manufacturer instructions, and the fire extinguisher plans only point to NFPA 10."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/fire-extinguisher","versioned_url":"https://unfinished.one/c/fire-extinguisher/v/0.3.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Portable fire extinguisher, v0.3.0. https://unfinished.one/c/fire-extinguisher/v/0.3.0"}