chris kennedy
ADMIN
From MH's forum;
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Interesting question posted by electrician
- Thread starter chris kennedy
- Start date
mark handler
SAWHORSE
jar546
CBO
Thanks Mark. I was relaxing, just checking on the forum when I saw this. Now I have work to do with all of that reading!
also check nfpa 13 if the shaft and elevator meet certain criteria, the sprinkler at the top of the shaft is not required, eliminating need for shunt trip
what I have seen, if a sprinkler head is at the top, heat detector with smoke detector next to it. smoke does recall, prior to heat tripping the shunt trip
believe the shunt trip requirement comes from the ansi elevator stuff
what I have seen, if a sprinkler head is at the top, heat detector with smoke detector next to it. smoke does recall, prior to heat tripping the shunt trip
believe the shunt trip requirement comes from the ansi elevator stuff
Last edited by a moderator:
mark handler
SAWHORSE
Glad I could make a difference in your day offjar546 said:
It is hard to cut and paste with the phone
nfpa 13 2013
8.15.5 Elevator Hoistways and Machine Rooms.
8.15.5.1* Sidewall spray sprinklers shall be installed at the bottom of each elevator hoistway not more than 2 ft (0.61 m) above the floor of the pit.
8.15.5.2 The sprinkler required at the bottom of the elevator hoistway by 8.15.5.1 shall not be required for enclosed, noncombustible elevator shafts that do not contain combustible hydraulic fluids.
8.15.5.3 Automatic fire sprinklers shall not be required in elevator machine rooms, elevator machinery spaces, control spaces, or hoistways of traction elevators installed in accordance with the applicable provisions in NFPA 101, or the applicable building code, where all of the following conditions are met:
(1)
The elevator machine room, machinery space, control room, control space, or hoistway of traction elevator is dedicated to elevator equipment only.
(2)
The elevator machine room, machine room, machinery space, control room, control space, or hoistway of traction elevators are protected by smoke detectors, or other automatic fire detection, installed in accordance with NFPA 72.
(3)
The elevator machinery space, control room, control space, or hoistway of traction elevators is separated from the remainder of the building by walls and floor/ceiling or roof/ceiling assemblies having a fire resistance rating of not less than that specified by the applicable building code.
(4)
No materials unrelated to elevator equipment are permitted to be stored in elevator machine rooms, machinery spaces, control rooms, control spaces, or hoistways of traction elevators.
(5)
The elevator machinery is not of the hydraulic type.
8.15.5.4* Automatic sprinklers in elevator machine rooms or at the tops of hoistways shall be of ordinary- or intermediate-temperature rating.
8.15.5.5* Upright, pendent, or sidewall spray sprinklers shall be installed at the top of elevator hoistways.
8.15.5.6 The sprinkler required at the top of the elevator hoistway by 8.15.5.5 shall not be required where the hoistway for passenger elevators is noncombustible or limited-combustible and the car enclosure materials meet the requirements of ASME A17.1, Safety Code for Elevators and Escalators.
8.15.5 Elevator Hoistways and Machine Rooms.
8.15.5.1* Sidewall spray sprinklers shall be installed at the bottom of each elevator hoistway not more than 2 ft (0.61 m) above the floor of the pit.
8.15.5.2 The sprinkler required at the bottom of the elevator hoistway by 8.15.5.1 shall not be required for enclosed, noncombustible elevator shafts that do not contain combustible hydraulic fluids.
8.15.5.3 Automatic fire sprinklers shall not be required in elevator machine rooms, elevator machinery spaces, control spaces, or hoistways of traction elevators installed in accordance with the applicable provisions in NFPA 101, or the applicable building code, where all of the following conditions are met:
(1)
The elevator machine room, machinery space, control room, control space, or hoistway of traction elevator is dedicated to elevator equipment only.
(2)
The elevator machine room, machine room, machinery space, control room, control space, or hoistway of traction elevators are protected by smoke detectors, or other automatic fire detection, installed in accordance with NFPA 72.
(3)
The elevator machinery space, control room, control space, or hoistway of traction elevators is separated from the remainder of the building by walls and floor/ceiling or roof/ceiling assemblies having a fire resistance rating of not less than that specified by the applicable building code.
(4)
No materials unrelated to elevator equipment are permitted to be stored in elevator machine rooms, machinery spaces, control rooms, control spaces, or hoistways of traction elevators.
(5)
The elevator machinery is not of the hydraulic type.
8.15.5.4* Automatic sprinklers in elevator machine rooms or at the tops of hoistways shall be of ordinary- or intermediate-temperature rating.
8.15.5.5* Upright, pendent, or sidewall spray sprinklers shall be installed at the top of elevator hoistways.
8.15.5.6 The sprinkler required at the top of the elevator hoistway by 8.15.5.5 shall not be required where the hoistway for passenger elevators is noncombustible or limited-combustible and the car enclosure materials meet the requirements of ASME A17.1, Safety Code for Elevators and Escalators.