Try this for size. 10% is great, below the curve is great. How about a fire marshal who says we cant go below 45 psi at the source. Now that makes for a rather large cushion.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Charles Thurston Sent: Friday, March 16, 2007 9:19 AM To: [email protected] Subject: Mininum Supply Pressure Hello All, Let me be the one to start things today. What is the minimum safety pressure allowed ? I have looked in 13 and did not find it.... I have a situation where the safety pressure is 0.913 psi. Basis is: Hose 250 Static 67.00 Residual 38.00 @ 920.00 Available 40.128 @ demand of 882.87 Requires 39.215 psi Leaving a safety of 0.913 psi -- Best regards, Charles mailto:[EMAIL PROTECTED] Coastal Fire Protection _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
