{"id":"standpipe","version":"0.3.0","classification":{"uniformat":"D4020"},"names":["Standpipe and hose system"],"aliases":["FDC","fire hose cabinet"],"service_life":{"median_years":37.5,"range_years":[25,50],"range_basis":"source_spread"},"pm_tasks":[{"task":"Check control valve position (unsupervised valves)","frequency":"P1M","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":46,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Inspect hose connections and pressure-reducing valves","frequency":"P6M","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":46,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check fire department connection access and condition","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check FDC for obstructions if caps are missing","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check system check valve is not leaking","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check FDC gaskets are present","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Lubricate FDC swivels if stiff","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check ball drip drain works before cold season","frequency":"P1Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Inspect piping and pipe supports","frequency":"P2Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Operate control valves through full travel","frequency":"P2Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Lubricate control valve stems","frequency":"P2Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Check valve supervisory switches detect valve movement","frequency":"P2Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Flow test standpipe for flow and discharge pressure","frequency":"P5Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Hydrostatic test (dry standpipes only)","frequency":"P5Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM Tasks"},{"task":"Flow test pressure-reducing hose valves","frequency":"P5Y","reference":"UFC 3-601-02 Fire Protection Systems Inspection, Testing, and Maintenance (7 October 2021, with Change 1, 18 April 2025)","url":"https://www.wbdg.org/FFC/DOD/UFC/ufc_3_601_02_2021_c1.pdf","page":47,"checklist":"Table 2-9 Standpipe Systems ITM 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. HUD gives sprinklers and standpipes one row."},{"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":43,"code":"BDFO","label":"Dry risers","years":25,"note":"Printed page 43. A dry riser is a dry standpipe. BDFO Building fit-out (when in books separately from building cost). Printed DV 8%, SL 6%. 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."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/standpipe","versioned_url":"https://unfinished.one/c/standpipe/v/0.3.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Standpipe and hose system, v0.3.0. https://unfinished.one/c/standpipe/v/0.3.0"}