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Municipal Firehouse #173836 01/20/08 10:14 AM
Joined: Jul 2001
Posts: 311
Frank Cinker Offline OP
When applying the NEC, is a municipal firehouse considered a dwelling unit. It appears as if it is, according to the definition of dwelling unit given in article 100.


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Re: Municipal Firehouse [Re: Frank Cinker] #173839 01/20/08 11:25 AM
Joined: Jan 2001
Posts: 1,044
Tom Offline
It looks like the firehouse meets the NEC definition to me, too. You might want to look into the Life Safety Code since this is also a mixed occupancy. The NEC requirements for dwellings might only apply to the areas that involve sleeping, cooking, bathrooms.

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Re: Municipal Firehouse [Re: Frank Cinker] #173851 01/20/08 07:46 PM
Joined: Jul 2007
Posts: 1,335
sparkyinak Offline
A firehouse IMO is multiple occupancy. Typically in a situation is when you have a conflict in the rules, typically the more sticter prevails. The Life Safety codes are only applicable if it is adopted like the electrical code ot a building code. At a minimum though they can shed light on the matter pending what you are trying to address. You may want to contact the AHJ if you have codes overlapping.

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Re: Municipal Firehouse [Re: sparkyinak] #173856 01/20/08 09:59 PM
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Posts: 5,316
renosteinke Offline
Cat Servant
Out this way, a firehouse is often a light steel garage, a 'manufactured home,' and a covered passage between the two. In that design, it's pretty simple to separate the structure into different occupancies.

Municipal Firehouse [Re: renosteinke] #173862 01/21/08 06:06 AM
Joined: Jul 2001
Posts: 311
Frank Cinker Offline OP
Our building code department indicated it was a class "B" occupancy; but didn't expand on it.
Also, when calculating the service size for a new "mixed occcupancy" building what does the design professional use, the residental standard calculation or commercial calculation?


Re: Municipal Firehouse [Re: Frank Cinker] #173867 01/21/08 04:28 PM
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sparkyinak Offline
Typically they use comercial calculations, for example 180VA per recept, 100%DF on lighting loads, etc.

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