May 10, 2011 #1 NJ1 Mechanical Feb 9, 2010 381 0 0 US I can not remember how much pressure you loose in a multiple floor building. I think it is 3-4 psi per floor up to the roof. I just cant find it in the nfpa standards. Any help
I can not remember how much pressure you loose in a multiple floor building. I think it is 3-4 psi per floor up to the roof. I just cant find it in the nfpa standards. Any help
May 10, 2011 #3 sprink1313 Mechanical May 12, 2010 82 0 0 US .433 p.s.i. per foot of elevation change. If we all agreed, we would be Communists.- Me. Upvote 0 Downvote
May 10, 2011 Thread starter #4 NJ1 Mechanical Feb 9, 2010 381 0 0 US Oh yeah. I knew I was close about numbers but I screwed up on decimals. Thanks guys Upvote 0 Downvote