I would say that if the garages are for resident use only and they are ancillary to the primary occupancy, then you could use 13R
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080 www.fpdc.com > On Apr 22, 2014, at 1:17 AM, George Medina Jr <[email protected]> wrote: > > > > Forum, > Can anyone please add there 2 cents in and help clarify when to classify as a > 13 system versus a 13R > I have a project that consist of 3 stories with an occupancy of R2/S2 and > Construction Type VA. The project is lay ed out like a horse shoe > with 3 sides and a corridor running down the middle from 1 required > stairwell to another on the opposite end, with a court yard in the middle. > There are private garages around the perimeter of the building (which all > have access from a common 1st floor corridor only) All the Garages have a 2 > hour separation between them and the 2nd level residential units and the 1st > floor corridor. There are residential units on the 1st floor (opposite the > garages) facing the court yard. > > I figured the Garage calculations shall conform to NFPA-13, based on NFPA-13R > (2013ed.) Sec. 7.3.1. My question is if the building can be classified as a > 13R (with garage areas calced at NFPA-13) or should it be classified as a > NFPA-13 with dwelling units & residential heads (calculations based on the > greater of the area/density @ .10 or the head listing). If not, what is the > determining factor or the threshold. > > > > > > George Medina Jr. > Mobile: 323-906-5701 > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
