Elevator

Types

  • Gearless (no oil, less energy)
  • geared
  • Hydraulic. (No pit needed. BUt more maintenance.)

Features

  • Coated steel belts - zero lubrication.
  • Need for machine room.
  • Finishing - Stainless steel vs fabric.
  • Door opening: Automatic vs manual. Side telescopic vs center.
  • Safety: typically allow getting descending to the next lower floor in case of power loss.

Space

  • Typical Pit depth 1350mm = 53.14 in

Cost

Installation

  • Depends on capacity, number of stops, technology, lift permit, scaffolding, electrical work.
  • 7-10L from reputed companies (Johnson, Otis, Kona) as of 2020.

Maintenance

  • Roughly 20k/ per year in 2020?