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Computer Room Ambient Temperatures
I have a follow up question. here it is..... I need to estimate a temperature rise and how quickly it would threaten to halt computations inside a computer room (Max. temp. reached and how fast it will be reached). Room is 37 X 30 X 10H with a max. combined load is 150,000 BTUH. Could...- MYHVAC
- Post #4
- Forum: Computer engineering general discussion
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Max. flow in a 4" fire feed main (below ground) for a combined system
David, Thanks for the references you listed in your response. I'll look them up. See the answer below sent to me by one of the FP experts, Mark Bromann, who publishes in PM Engineer Magazine. I don't know where this is actually written in the code, but the NFPA benchmark for maximum water...- MYHVAC
- Post #3
- Forum: NFPA (fire) Code Issues
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Max. flow in a 4" fire feed main (below ground) for a combined system
I need to supply 800 GPM (540 GPM to sprinklers and 250 GPM hose allowance)to a combination fire protection system. Can 4" line be used between street main and a riser? System's riser was sized to be 4". NFPA 13, section 8-2.1 requires a flow rate no less than 390 GPM thru 4" line...- MYHVAC
- Thread
- Replies: 7
- Forum: NFPA (fire) Code Issues
