How to use this result
Use this to make downtime visible when comparing repair response or modernization phasing.
Not a safety model
The calculation does not determine whether a building may remain occupied or accessible.
Document assumptions
Separate measurable labour and logistics from uncertain reputation or tenant impacts.
Important: Costs, codes, permits, inspection duties, accessibility rules, environmental requirements and insurance conditions vary by country, province or state, municipality, building use, equipment type, installation date and project scope. Qualified local professionals and the authority having jurisdiction must determine what applies. Only registered or otherwise qualified elevator professionals may perform regulated work. Never enter a hoistway, bypass a safety device, attempt a rescue or perform elevator repairs based on this website.