{"id":"streetlight","version":"0.8.0","classification":{"uniformat":"G4020"},"names":["Streetlight"],"aliases":["street light","streetlight pole","roadway luminaire"],"service_life":{"median_years":27.5,"range_years":[15,40],"range_basis":"source_spread"},"pm_tasks":[{"task":"Group relamp and clean fixture, reflector, refractor and globe","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":183,"checklist":"ELEC-LTG-04-05Y Lighting - Outside Mercury Vapor, High Pressure Sodium or Metal Halide"},{"task":"Inspect wiring, contacts, terminals and sockets for overheating","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":183,"checklist":"ELEC-LTG-04-05Y Lighting - Outside Mercury Vapor, High Pressure Sodium or Metal Halide"},{"task":"Check fixture gaskets seat properly on reassembly","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":183,"checklist":"ELEC-LTG-04-05Y Lighting - Outside Mercury Vapor, High Pressure Sodium or Metal Halide"},{"task":"Test automatic switches (photocells, timers)","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":183,"checklist":"ELEC-LTG-04-05Y Lighting - Outside Mercury Vapor, High Pressure Sodium or Metal Halide"},{"task":"Inspect poles and mounting devices","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":183,"checklist":"ELEC-LTG-04-05Y Lighting - Outside Mercury Vapor, High Pressure Sodium or Metal Halide"}],"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":3,"code":"HUD CNA 3.2.8.2.7","label":"Pole mounted lights","years":25,"note":"Same life for family and elderly properties. US multifamily housing. HUD's row is pole-mounted site lights. HUD's row is for site work at US multifamily properties, not municipal networks."},{"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":"Other - Pooled Assets - Streetlights","years":20,"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":"Chapple: Schedule A - By-law 1873: Asset Useful Life - General Guidelines","url":"https://chapple.civicweb.net/document/32784/","page":1,"label":"Street Lights","years":20,"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":"Greater Napanee: By-law 2012-11, Tangible Capital Asset Policy, Appendix B Asset Useful Lives","url":"https://greaternapanee.civicweb.net/document/45679","page":16,"label":"LA15 Street Lights","years":15,"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":10,"label":"Streetlights","years":30,"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":"planning","title":"Halton: Halton Region 2025 Asset Management Plan","url":"https://www.halton.ca/repository/halton-region-asset-management-plan","page":107,"label":"Streetlights","years":25,"note":"Asset management plan (planning life). Approved on text check: the label and value were found on the cited page."},{"type":"public_document","life_type":"accounting","title":"Kenora: AF-6-1 Tangible Capital Asset Policy (By-law 34-2026)","url":"https://listview.kenora.ca/Files/City%20Policy%20Manual/Administration%20and%20Finance/AF-6-1%20Tangible%20Capital%20Asset.pdf","page":16,"label":"Miscellaneous - Streetlights","years":20,"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":"Kingston: Tangible Capital Assets Policy","url":"https://cityofkingston.ca/media/pljd1bhs/finance_policy_tangible-capital-asset-policy.pdf","page":14,"label":"Roads and Related - Streetlights","years":35,"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":"planning","title":"London: 2023 Corporate Asset Management Plan","url":"https://london.ca/sites/default/files/2023-10/Corporate%20Asset%20Management%20Plan%202023.pdf","page":159,"label":"Street Lights","years":30,"note":"Asset management plan (planning life). Approved on text check: the label and value were found on the cited page."},{"type":"public_document","life_type":"accounting","title":"Orillia: 4.1.8.1 Tangible Capital Assets Policy Manual","url":"https://orillia.civicweb.net/document/366955/","page":23,"label":"Roads: Street Lights","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":"Prince Edward: FIN-12 Tangible Capital Assets Policy","url":"https://www.thecounty.ca/wp-content/uploads/2023/09/FIN-12-Tangible-Capital-Asset-Policy.pdf","page":34,"label":"Pooled Equipment - Street Lights","years":30,"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":"Rainy River: F-9 Tangible Capital Assets Policy","url":"https://rainyriver.ca/uploads/plans-policies/finance-department/f9-tangible-capital-assets-policy.pdf","page":11,"label":"Street Lights","years":30,"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":"Sarnia: Finance-04 Tangible Capital Asset Policy, Attachment No. 1: TCA Policy Appendix A","url":"https://www.sarnia.ca/app/uploads/2020/07/Finance-04-Tangible-Capital-Asset-Policy-Attachment-No.-1-TCA-Policy-Appendix-A.pdf","page":2,"label":"Street Lighting","years":30,"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":"Severn: By-law 2019-04, Corporate Policy Manual: Tangible Capital Asset Policy, Useful Life Guide","url":"https://severn.civicweb.net/document/10628/","page":402,"label":"Infrastructure - Roads - Streetlights","years":30,"note":"Capital asset policy (amortization period). Compared with an image of the cited page."},{"type":"public_document","life_type":"accounting","title":"Simcoe: POL-FIN-004 Tangible Capital Assets Policy (Schedule 3 to AUC 2026-046)","url":"https://simcoe.civicweb.net/document/155626/","page":21,"label":"Streetlights","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":"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":12,"label":"Linear - Streetlights","years":30,"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":"Trent Lakes: 5.17 Capital Asset Policy","url":"https://www.trentlakes.ca/media/fjaduus0/517_capital-asset-policy.pdf","page":10,"label":"Streetlights","years":20,"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":"Welland: FIN-001-0012 Tangible Capital Assets Policy","url":"https://media-003-ca.cdn.govstack.com/welland-ca/media/up1n0par/tangible-capital-assets.pdf","page":9,"label":"Street Lights","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.","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/streetlight","versioned_url":"https://unfinished.one/c/streetlight/v/0.8.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Streetlight, v0.8.0. https://unfinished.one/c/streetlight/v/0.8.0"}