Can someone please direct me to the NFPA code that enforces the amount of clearance required around a manual fire alarm pull station?
NFPA 72 says installed so that they are conspicuous, unobstructed, and accessible.
Section 188.8.131.52 2013 edition.
Two thoughts maybe use three feet clear, like for a circuit breaker panel.
Plus, they do have to meet ADA for mounting height, and seems like they would have to meet ADA for access to the device. I do not know what that amount of space is.
First you should contact your LAHJ (Fire Prevention Bureau ) to find out from there is any thing in the local Fire Prevention Ordinance addressing clearance around fire alarm pull stations and what codes/standards they have adopted. They should be able to give you guidance on your question.. As to cda cda's suggestion that the 36" rule used for electrical panels may not be a bad idea the only problem is that there is no written requirement in the codes or standards requiring this. As cda cda points out that in NFPA 72 2013 ED. Section 184.108.40.206 only requires that they be installed so that they are conspicuous, unobstructed and accessible. NFPA 1 Fire Code 2015 ED. Section 220.127.116.11.7 states !Annual fire alarm boxes shall be accessible, unobstructed, and visible. With reference to NFPA 101 2015 ED. Life Safety Code Section 18.104.22.168 say the same as cda cda's reference to NFPA 72 with slightly different wording. Now all this being said with you not being in the fire service being a business owner who has a 36" clearnce around fire alarm boxes in your business and I being the fire inspector I would not object to it.
As to mounting height of manual fire alarm pull stations NFPA 72 National Fire Alarm and Signal Code 2016 ED. Section 17.14.5 states The operable part of a manual actuated alarm initiating device shall not be less than 42" ( 1.07 m ) and not more than 48" ( 1.22 m ) from the finished floor. Just my opinion. Hope this helps.
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