nfpa 2007 table 9.1.1.6.1 talks about trapeze spans and modulus. first what does modulus mean and second we are looking to hang 1-1/2 pipe in a 6ft span and the number is 0.36. what does all this mean?
I'm doing a 2 story assisted living and i have discussed with my boss but i can not find it in the life safety book, he said that in the bathrooms of the living quarters don't need to be sprinkled. can anyone point out where i can find them to be omitted in the life safety 101. also in the...
thanx everyone for ur responses, maybe then its just something my dad does just to kill an area, cuz i know he always says >10' use 3/4 heads but now i am engineering i was doing a vaulted ceiling and i had 3/4 heads in there and some of my co workers were asking why. i just thought something...
i was always told that in a ceiling above 10' use a 3/4 head is that true or am i able to still use a 1/2 head? is it all based on k-factors? are they using 3/4 cuz of the flow?
