Hoistway Access Door: Adjacent Shaft Emergency 500x1800mm, Safety Contact Both Lifts Stop, Openable Both Sides and EN 81-20 Requirements

Hoistway access doors (also called emergency doors, inspection doors, or hoistway doors) are used in situations where maintenance access to the hoistway cannot be achieved from the car top or landing door. Types and applications: (1) Emergency door between adjacent hoistways — EN 81-20 Cl. 5.2.2 requires that where two hoistways share a wall, an emergency door must be provided so that passengers can be transferred from a stranded car in one shaft to the adjacent car; the door must be at least 500 mm wide and 1800 mm high; it must not open into the hoistway; (2) Maintenance access door — for access to equipment in the hoistway not reachable from car top (e.g. guide rail fixings, hoistway cabling); (3) Machine room access door in the hoistway wall. Safety requirements: (a) The door must be equipped with a direct-opening safety contact in the safety circuit — both elevators must be prevented from moving while the door is open; (b) Emergency doors between adjacent shafts must be openable from both sides without a key; (c) Maintenance access doors require a key to open from outside; (d) All doors must be self-closing and self-latching. Emergency doors between adjacent cars are particularly important for high-rise applications where evacuation down staircases is impractical.

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