View Full Version : Sprinkler heads in elevator shafts
May 17th, 2013, 18:41
Type IIB contruction, (new) sprinklered building. Conflict between RDP and Sprinkler designer putting it in my lap. I vaguely remember this coming up here.
May 17th, 2013, 19:33
Sprinklers required if combustible construction (including some cables for machine room less systems) is exposed within the hoistway per NFPA 13.
May 17th, 2013, 20:27
I told them that if the RDP wants it, then he gets it. I am never going to over-rule an RDP for something that he/she specs which may be above the codes. I directed them to hash it out between them after reading NFPA 13 Section 126.96.36.199 and .5, otherwise I am designing which I do not do, cannot do.
So you are getting a sprinkler head, is the rdp also doing shunt trip?
May 19th, 2013, 01:01
Which edition of NFPA 13? Because in the 2013 edition of NFPA 13, sprinklers are no longer required in noncombustible shafts provided the belts are not encased on polyethylene.
May 19th, 2013, 02:53
2007 is the official edition.
May 20th, 2013, 11:38
Not required in 2007 either see 8.15.5
May 24th, 2013, 16:53
I agree with your stance on this JAR - Codes are for a MINIMUM level of protection - if the RDP wants to specify something above and beyond that, then there's nothing prohibiting it. I've had people try to get me to say that it can't be done because the code doesn't require it - I try to politely remind them that the code only specifies a minimum level of protection and if a designer provides more than what the code specifies, I can't prohibit that unless it creates some other code violation.
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