We've typically installed a ball drip in gravel similar to a french drain at the low point.
On Wed, Mar 10, 2021 at 11:17 AM Dewayne Martinez via Sprinklerforum < [email protected]> wrote: > I see a trend starting in our area where the architect is specifying a > remote free standing FDC without a valve pit when the check valve can be > placed inside the building. Upon talking to my field superintendent he was > concerned that some check valves let multiple gallons of water through > whenever a system is drained and refilled and that the remote pipe may > eventually fill up and freeze. We were toying with the idea of installing > a return bend in the FDC pipe downstream of the check before it leaves the > building to help prevent this. A ball valve would be installed between > the return bend and check to drain out the pipe. Anyone else have insight > on this? > > Thank you, > > Dewayne Martinez > Fire Protection Design Manager > > TOTAL Mechanical > Building Integrity > > W234 N2830 Paul Rd. > Pewaukee, WI 53072 > [email protected] > Ph: 262-522-7110 > Cell: 414-406-5208 > http://www.total-mechanical.com/ > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
