{"id":"booster-pump","version":"0.3.0","classification":{"uniformat":"D2020"},"names":["Domestic water booster pump"],"aliases":["booster set","pressure booster"],"service_life":{"median_years":20,"range_years":[20,20],"range_basis":"source_spread"},"pm_tasks":[{"task":"Shut down or re-sequence pumps that are not needed","frequency":"P1D","reference":"Operations & Maintenance Best Practices: A Guide to Achieving Operational Efficiency, Release 3.0","url":"https://www.energy.gov/sites/default/files/2020/04/f74/omguide_complete_w-eo-disclaimer.pdf","page":231,"checklist":"9.9.11 Pumps Checklist"},{"task":"Do an overall visual inspection: all equipment operating and safety systems in place","frequency":"P1D","reference":"Operations & Maintenance Best Practices: A Guide to Achieving Operational Efficiency, Release 3.0","url":"https://www.energy.gov/sites/default/files/2020/04/f74/omguide_complete_w-eo-disclaimer.pdf","page":231,"checklist":"9.9.11 Pumps Checklist"},{"task":"Check and secure all pump mountings","frequency":"P1M","reference":"Operations & Maintenance Best Practices: A Guide to Achieving Operational Efficiency, Release 3.0","url":"https://www.energy.gov/sites/default/files/2020/04/f74/omguide_complete_w-eo-disclaimer.pdf","page":231,"checklist":"9.9.11 Pumps Checklist"},{"task":"Check motor condition by temperature or vibration analysis","frequency":"P1Y","reference":"Operations & Maintenance Best Practices: A Guide to Achieving Operational Efficiency, Release 3.0","url":"https://www.energy.gov/sites/default/files/2020/04/f74/omguide_complete_w-eo-disclaimer.pdf","page":231,"checklist":"9.9.11 Pumps Checklist"}],"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 3.4.1.1.6","label":"Domestic Cold Water Pumps","years":20,"note":"Same life for family and elderly properties. US multifamily housing. HUD's row is \"domestic cold water pumps\", which in multifamily buildings are mostly booster pumps."},{"type":"public_document","life_type":"design","title":"Design standards: employer's requirements – Technical Manual (ER-DFE-XX-XX-T-X-0201, revision A-C01)","by":"Department for Education (England)","url":"https://assets.publishing.service.gov.uk/media/6971f649d8adeaf266040501/ER-DFE-XX-XX-T-X-0201-Technical_Manual-A-C01.pdf","page":231,"code":"5.3.4","label":"Valves, booster sets and pumps: 20 years","years":20,"note":"Printed page 231. Domestic water installations: booster sets and pumps (valves not mapped). Minimum life expectancy (design requirement) for DfE-funded school buildings. Minimum design requirements placed on contractors for school buildings, not observed replacement ages. Section 5.1.4 (sanitaryware) refers to CIBSE Guide M Appendix 12.A1 'in general'."}],"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/booster-pump","versioned_url":"https://unfinished.one/c/booster-pump/v/0.3.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Domestic water booster pump, v0.3.0. https://unfinished.one/c/booster-pump/v/0.3.0"}