IMHO, no. The FDC check should be installed as close as possible to the FDC to eliminate the dry run.
>From the Harvel install guide: "When pressure testing, the sprinkler system shall be slowly filled with water and the air bled from the highest and farthest sprinkler heads before pressure testing is applied. Air must be removed from piping systems (plastic or metal) to prevent it from being locked in the system when pressure is applied. Entrapped air can generate excessive surge pressures that can result in bodily injury and/or property damage, regardless of the piping materials used." ----- Original Message ----- From: "R Richardson" <[email protected]> To: <[email protected]> Sent: Friday, May 15, 2009 1:04 PM Subject: CPVC w/o water between riser and FDC > We are reviewing a proposal for a wet pipe sprinkler system using CPVC > pipe. However, there is a run of CPVC pipe between the FDC and the riser > that is dry, is this standard practice or acceptable? > > Thanks, > > Rich Richardson > Seattle Fire Department > > _______________________________________________ > Sprinklerforum mailing list > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) -------------------------------------------------------------------------------- Internal Virus Database is out of date. Checked by AVG - http://www.avg.com Version: 8.0.233 / Virus Database: 270.10.16/1930 - Release Date: 2/2/2009 7:51 AM _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
