And even if its not because it meets the criteria for omission of sprinklers, there's that nasty little 3,000 SF min MRA to deal with. In a bid a week ago we included the heads below the floor cause it was cheaper to sprinkler it than have a 3,000 sf MRA!
glc -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Todd Williams Sent: Monday, June 01, 2009 8:30 AM To: [email protected] Subject: Re: Combustible rated floors Is there a 1 hour rated ceiling below the truss and a 1 hour rated floor above the truss? What is the truss spacing? Are they made with fire retardant lumber? If it doesn't meet any on the exceptions in 8.14, then it should be sprinklered. Are the AHJs accepting this? At 07:56 AM 6/1/2009, you wrote: >We have a growing trend up here in which contractors are not installing >sprinklers in combustible floor spaces (open wood truss) simply because >there is a 1hr rated floor and ceiling assembly which sandwiches the >combustible space. We have been including sprinklers for these areas in >our bids but have been loosing work because of this. Am I missing >something and can sprinklers be omitted? >Thanks, >Dewayne Martinez >Design Build Fire Protection >New Berlin, WI >_______________________________________________ >Sprinklerforum mailing list >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, Connecticut www.fpdc.com 860.535.2080 _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
