Hi I am in NYC, we are building a few single family homes. Our Architect is calling for a 3" combined line for SP and DOM service. The houses are detached - 24'x54' with 3 floors with a total of 34 heads. we brought in a street plumbing for pricing on the street mains and he is telling us we...
I am trying to size up the gas lines for a bunch of 115k btu Furnaces - 115 CFH. and would like to know if the sizing charts in NFPA 54 can be used, and how the pressure loss due to elevation effects things if it does at all.
I will simplify the question as the details are not that important...
I guess my real question is can someone please explain to me what the difference is between "Allowable flow - gpm" and "Theoretical discharge"
I have to admit my experience is a little limited in this area so I am just going based off what I read and charts I found, but the reason I ask is...
All the plans I look at for a fire pump system associated with a sprinkler/standpipe system show a "Bronze check valve w/ 3/32" orifice in caliper" in line with the take off coming coming off the discharge line of the pump and going to the fie pump controller.
What is the reason for such a...
Just a general question.
We are putting in a fire pump in a 12 story building in NYC the plans call for check valves but dont specify if the check valves have to be spring or swing.
I checked NFPA 13,14, and 20 and it doesnt give any info on what type of check valve it has to be.
Can we use...
Hi I need to find a book that explains shop drawings for structural steel. We just got the drawings for our building but I am not familiar with a lot of terms. Is there a book that I can read that will explain some of this stuff.
All the connections are bolted - there will be no welding on the...
