How far do the fabric panels "sag" down? Is there a way to drop a pendent sprinkler in between the panels and set the deflector at *12 (or greater if obstructed construction)? If you can get the deflector the maximum allowable distance below the deck, you may be able to get it far enough down to minimize the obstruction to discharge created by the panels. Tricky problem and it may not look pretty, but this is the best idea I can offer (without getting paid of course).
I like Joe's idea of kicking it back to the architect. It's their design, let them sweat the solution. They would probably be more willing to modify their design to suit the sprinkler constraints. But we all know that although the professional responsibility lies with the design professional, the expertise is with the contractor and AHJ, absent a true FPE. Ray Schmid, PE Koffel Associates -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jim Kettler Sent: Monday, September 10, 2007 8:00 AM To: [email protected] Subject: RE: Lapendary Panels Lots of church questions this week. These panels are fire-retardant as required by the Fire Code. We couldn't have the drop into the crows as that would pose a further hazard for egress. The panels themselves are in 12ft lengths - the exact width hasn't been determined but should be no more than 24" wide. The panels will be screwed into the plywood roof decking at currently unspecified intervals. Jim -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of FPDC Sent: Friday, September 07, 2007 3:42 PM To: [email protected] Subject: Re: Lapendary Panels Jim, This is somewhat similar to the problem I have described in a church sanctuary. The difference is that my project has the fabric tensioned around a frame. Joe's response is probably on target, except the design that I got from the Engineer on my project is nothing that I would put my stamp on. I'm assuming that these are continuous pieces of fabric, so the idea of a magnetic release hooked up to a detector is out of the question. At 09:22 AM 9/7/2007, you wrote: >I have a church being built with a large auditorium. There will be an open >ceiling exposing the roof structure: metal trusses with a plywood roof >decking. For sound deadening, there are installing "lapendary panels" as >seen here: >http://www.mbiproducts.com/products/photos.aspx?ProductID=4000-1010P The >most appropriate photo is in the second column, 3rd photo down from the top. >The "fabric" panels will run essentially parallel to the roofline - between >the trusses. > >We are looking at the best way to sprinkler the room. Do we install >sprinklers below the panels or above or both? Our concerns are that >sprinklers above will be obstructed by the panels and/or sprinklers below >might not collect enough heat to fuse the sprinklers. Any thoughts? > >Jim Kettler >Fire Marshal >Buckingham, PA _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
