Because 20 requires the pipe to go to the next size up when the distance is more than 15 feet, unless proven by calc..
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 Charles Thurston ----- >Sent: Tuesday, June 17, 2008 12:31 PM ----- >To: [email protected] ----- >Subject: Pump test line ----- > ----- >Hello sprinklerforum, ----- > ----- > I ran into a system installed way before my time and ----- >do not understand ----- > something. The Fire pump is all plumbed in 6", The ----- >Pump Test header has ----- > three 2 1/2" outlets. There is about 30 feet of pipe ----- >between the test ----- > header valve and the test header. The test header is ----- >located about 12 ----- > feet below the pump outlet. ----- > ----- > My question is: ----- > Why would they come off the 6" test header line valve ----- >step the pipe UP to ----- > 8" pipe for that 30 feet then reduce it back down to ----- >6" to connect to the ----- > test header? What am I missing? ----- > ----- >-- ----- >Best regards, ----- > Charles Thurston ----- >mailto:[EMAIL PROTECTED] ----- > Coastal Fire Protection ----- > ----- >_______________________________________________ ----- >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)
