{"id":"elevator-traction","version":"0.4.0","classification":{"uniformat":"D1010"},"names":["Elevator, traction"],"aliases":["traction elevator","MRL elevator","geared traction"],"service_life":{"median_years":20,"range_years":[20,35],"range_basis":"source_spread"},"pm_tasks":[{"task":"Inspect speed governor and governor rope","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Inspect and no-load test car and counterweight safeties","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Rated-load speed test of governors and safeties","frequency":"P5Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Test oil buffers","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Rated-load test of oil buffers","frequency":"P5Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Test normal and final terminal stopping devices","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":75,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Full test of standby (emergency) power operation","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":76,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Test door closing force","frequency":"P1Y","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":76,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"},{"task":"Full test of firefighters' service","frequency":"P60D","reference":"NAVFAC MO-118 Inspection of Vertical Transportation Equipment","url":"https://nibs-s3-wbdg3-production.s3.us-east-1.amazonaws.com/NAVFAC/OPER/mo118.pdf","page":76,"checklist":"2.7 Periodic Inspection and Tests (electric elevators)"}],"basis":[{"type":"public_document","life_type":"accounting","title":"Brockton: Policy F06-2009-03 Capital Asset Amortization","url":"https://brockton.ca/media/xsyhwhoe/policy-f06-2009-03-capital-asset-amortization.pdf","page":2,"label":"Elevator - Mechanical Elevator","years":35,"note":"Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page. None of the policies says hydraulic or traction; the same rows are cited for both types."},{"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":11,"label":"Elevator","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":"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":15,"label":"Buildings - Elevator","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":"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":"Buildings - Elevators","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":"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":1,"label":"Elevators","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":"Severn: By-law 2019-04, Corporate Policy Manual: Tangible Capital Asset Policy, Useful Life Guide","url":"https://severn.civicweb.net/document/10628/","page":400,"label":"Building Components - Elevators","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":8,"label":"Elevator","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":"Parksville: Policy No. 6.16 Tangible Capital Assets","url":"https://parksville.civicweb.net/document/27036","page":9,"label":"Elevators","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":"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":75,"code":"2.4.4","label":"All lifts: 20 years","years":20,"note":"Printed page 75. All lifts, including platform lifts, which are common in schools. 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'."},{"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":"Lifts","years":25,"note":"Printed page 43. Lifts, drive type not stated. 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.","Elevator tasks come from NAVFAC MO-118 (1988), which restates the elevator code tests of its time; check them against the current ASME A17.1 and local requirements."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/elevator-traction","versioned_url":"https://unfinished.one/c/elevator-traction/v/0.4.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Elevator, traction, v0.4.0. https://unfinished.one/c/elevator-traction/v/0.4.0"}