Check out NFPA 13, 2007, 21.20.19.2.1. Based on that it sounds like you will have to provide a sprinkler in that space.
Craig L. Prahl, CET Fire Protection Group Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 [EMAIL PROTECTED] http://www.lg.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of A.P.Silva Sent: Monday, July 30, 2007 11:15 AM To: [email protected] Subject: RE: Fan Coil Enclosure in dwelling unit The size of the concealed space is 4'x2'. The fan coil unit takes about half of that space, 2'x2'. I don't have some specifics yet, but I imagine there must be an access panel, about 30"x30", for maintenance. So storage beside it can be ruled out. The floor and ceiling of this space is concrete. Walls are drywall with steel studs that go from floor to ceiling. One fan coil per unit for the apartment type condominiums. In some suites the diffusers are right on the walls enclosing the fan coil. In some, there is some ducting to diffusers in adjacent rooms, but always serving the same suite. Tony -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: July 30, 2007 8:41 AM To: [email protected] Subject: RE: Fan Coil Enclosure in dwelling unit What is the size of the space in which the fan coil resides? Is the maintenance panel accessible by the tenant? Is the space large enough where items could be stored adjacent to or around the fan coil unit? Where the fan coil resides, is it open above to a common space such as attic or interstitial space between floors? You state the space is non-combustible, does ductwork pass from the space occupied by the fan coil and into other adjacent spaces or only serve one occupied unit? When you say residential, do you mean like apartments with a single fan coil unit serving that apartment only? Just need some specifics. Craig L. Prahl, CET Fire Protection Group Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 [EMAIL PROTECTED] http://www.lg.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of A.P.Silva Sent: Sunday, July 29, 2007 4:02 PM To: [email protected] Subject: Fan Coil Enclosure in dwelling unit No takers for my previous question. So re-posting it on the forum. Will appreciate any reply. Tony -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of A.P.Silva Sent: July 27, 2007 7:26 AM To: [email protected] Subject: Fan Coil Enclosure in dwelling unit -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of A.P.Silva Sent: July 27, 2007 12:05 AM To: [email protected] Subject: RE: Questions to ask when selecting a contractor I remember this topic being discussed earlier, but I simply can't find it in the archives. Five storey residential building (actually 4 storey + loft), designed to NFPA 13 (1996), has electric fan coil units in every suite enclosed within the walls. From the fan coil there will probably be grilles/diffusers, open to the suites. Also there might be an access panel for maintenance. Other than that the space is not accessible and the construction is non-combustible. Question: would this space have to be sprinklered? Commonsense says it shouldn't. We have electric fans in non-combustible ceiling spaces, which are not sprinklered. Any code justification? 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