Elevator Hoistway Door Fire Rating

Condition triggers 1 or 1 hour.

Elevator hoistway door fire rating.

The elevator smoke door assembly has been tested in compliance with smoke and fire ratings for up to 8 6 x 10 0 openings. Our freight elevator door products services. I just saw these doors in a hotel so it seems like a good time to write about the requirements for doors at an elevator hoistway. Elevator shaft doors fire rated doors smoke doors elevator shaft protection an economical and architecturally pleasing solution to your smoke containment elevator shaft protection requirements.

Freight elevator hoistway doors vertically sliding slide up or biparting manual or motorized ul and ulc 1 1 2 to 2 hour fire rated freight elevator car gates doors cab car enclosures chanel iron frame and sills 1 1 2 to 2 hour fire rated. Primary products and services provided include. When doors need to be rated a 1 hour door is sufficient for a 2 hour rated room. 715 4 2 or 715 4 3 and the fire protection rating indicated in table 715 4.

Maximum of 4 cars per shaft when they all serve the same building area ibc 3002 2 elevators shall not be in a common enclosure with a stairway ibc 3002 7 no plumbing or mechanical systems ibc 3002 9. Basically where a corridor is required to have a fire resistance rating like in a hotel openings in the elevator shaft have to be protected by fire door assemblies. Fire service access elevator lobby doors. Fire service access elevator lobby doors other than the door to the hoistway elevator control room or elevator control space each doorway to a fire service access elevator lobby shall be provided with a hour door assembly complying with 716 5.

The icc recognizes the combination of the normally fire rated elevator hoistway doors and the rolling magnetic gasketing system which deploys an air tight film over the shaft door as an approved alternative for an enclosed elevator lobby. The fire rated elevator doors provide the requisite fire protection and the ul 1784 tested rolling. D the common wall floor or ceiling between the machine room and the hoistway is properly fire stopped. An enclosed elevator lobby shall be provided at each floor to separate the elevator hoistway shaft enclosure doors from each floor by fire partitions in accordance with section 708.

Iii in all other cases the machine room and access door must have the same rating as the machine room hoistway enclosure. Fire door frames with transom lights sidelights or both shall be permitted in accordance with section 715 4 5. Hoistway enclosures built as shafts using fire barrier construction o 1 hr for 4 stories o 2 hr for 4 or more stories o additional requirements for impact resistance etc.