{"id":"sump-pump","version":"0.4.0","classification":{"uniformat":"D2040"},"names":["Sump pump"],"aliases":["sump"],"service_life":{"median_years":17.5,"range_years":[15,20],"range_basis":"source_spread"},"pm_tasks":[{"task":"Remove cover, flush pit and pump out","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"},{"task":"Check level sensors, floats, switches and alarms","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"},{"task":"Clean pump and motor; lubricate if required","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"},{"task":"Inspect check valve","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"},{"task":"Inspect pit for cracks","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"},{"task":"Inspect cover gaskets","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":560,"checklist":"PLMB-DWV-03-01Y Sump Pump"}],"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":9,"code":"HUD CNA 3.4.1.1.8","label":"Commercial Sump Pump","years":20,"note":"Same life for family and elderly properties. US multifamily housing. HUD gives 20 years for commercial and 15 for residential sump pumps."},{"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":9,"code":"HUD CNA 3.4.1.1.9","label":"Residential Sump Pump","years":15,"note":"Same life for family and elderly properties. US multifamily housing."}],"confidence":{"grade":"C","sample_size":null},"open_questions":["Only one source so far: HUD planning lives for US multifamily housing. Canadian and observed sources are needed.","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/sump-pump","versioned_url":"https://unfinished.one/c/sump-pump/v/0.4.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Sump pump, v0.4.0. https://unfinished.one/c/sump-pump/v/0.4.0"}