How does 5.19.3.4 play into this? It mentions pump discharge piping only...
R/ Matt Matthew J. Willis Living Water Fire Protection, LLC. 1160 McKenzie Rd. PO Box 877 Cantonment, FL. 32533 850-937-1850 Voice 850-937-1852 Facsimile [EMAIL PROTECTED] ----- >-----Original Message----- ----- >From: [EMAIL PROTECTED] ----- >[mailto:[EMAIL PROTECTED] On ----- >Behalf Of [EMAIL PROTECTED] ----- >Sent: Wednesday, September 19, 2007 2:58 PM ----- >To: [email protected] ----- >Subject: RE: pump test header location ----- > ----- >My one concern with the arrangement that would flow ----- >through a system is that the test would occur while the ----- >building was occupied and if there was a failure what ----- >the consequences could be. Granted it wouldn't be ----- >desirable for it to fail in a fire scenario either. ----- > ----- >Sorry but I just can't see any reason to put it at the ----- >end of some bulk main instead of right at the pump. ----- > ----- >Craig L. Prahl, CET ----- >Fire Protection Group ----- >Mechanical Department ----- >CH2MHILL ----- >Lockwood Greene ----- >1500 International Drive ----- >PO Box 491, Spartanburg, SC 29304-0491 ----- >Direct - 864.599.4102 ----- >Fax - 864.599.8439 ----- >[EMAIL PROTECTED] ----- >http://www.lg.com ----- > ----- > ----- >-----Original Message----- ----- >From: [EMAIL PROTECTED] ----- >[mailto:[EMAIL PROTECTED] On ----- >Behalf Of Ed Kramer ----- >Sent: Wednesday, September 19, 2007 3:51 PM ----- >To: [email protected] ----- >Subject: RE: pump test header location ----- > ----- >In this scenario, yes. I've never considered attaching ----- >the test header to anyplace other than between the pump ----- >check and shutoff valve, but it seems it may be common ----- >practice in some areas. ----- > ----- >My knee-jerk reaction to pressuring the ENTIRE fire ----- >protection system when testing a fire pump is that's its ----- >unwise. But what's the worst that's going to happen? ----- >The entire system will see pressures in the ball park of ----- >5 psi greater than the jockey pump pressure (but ----- >significantly higher when water hammer or pressure waves ----- >are a factor) and weak pipe/fittings may blow out ----- >(possibly causing extensive damage) and require ----- >repair/replacement. Seems to me it's wiser to find & ----- >fix weak parts of the system during routine testing than ----- >it is to find them during a fire emergency. ----- > ----- >Having said that, I still prefer the test header be tied ----- >in between the pump check & shutoff valve. Makes for a ----- >tidy pump package and gives the testing technician the ----- >option of pressuring the entire system or not. ----- > ----- >Ed Kramer ----- >Littleton, CO ----- > ----- > ----- >>So you'd be flowing through the underground and ----- >whatever sprinkler ----- >>system piping just to test a pump? ----- >> ----- >>Craig L. Prahl, CET ----- >>Fire Protection Group ----- >>Mechanical Department ----- >>CH2MHILL ----- >>Lockwood Greene ----- >>1500 International Drive ----- >>PO Box 491, Spartanburg, SC 29304-0491 Direct - ----- >864.599.4102 Fax - ----- >>864.599.8439 [EMAIL PROTECTED] http://www.lg.com ----- > ----- >>Ron, ----- >> ----- >>Lets say you got a pump that requires 8" discharge ----- >pipe, your sprinkler ----- > ----- >>bulk main is 6", and you decide to connect the test ----- >header to the end ----- >>of the bulk main. Have you had any problems getting ----- >the test header ----- >>calc to work? (never, rarely, sometimes, etc.) ----- >> ----- >>Ed Kramer ----- >>Littleton, CO ----- >> ----- >> ----- >>>It's more common to take the test header off the end ----- >of bulk main or ----- >>>combine it with the FDC line if the header is remote ----- >from the pump ----- >>room. ----- >>> ----- >>>Ron Fletcher ----- >>>Aero Automatic ----- >>>Phoenix, AZ ----- > ----- > ----- >_______________________________________________ ----- >Sprinklerforum mailing list ----- >[email protected] ----- >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum ----- > ----- >To Unsubscribe, send an email ----- >to:[EMAIL PROTECTED] ----- >(Put the word unsubscribe in the subject field) ----- >_______________________________________________ ----- >Sprinklerforum mailing list ----- >[email protected] ----- >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum ----- > ----- >To Unsubscribe, send an email ----- >to:[EMAIL PROTECTED] ----- >(Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
