The way I have handled this if the system demand is more than the main drain can handle is to provide a valved discharge,onto a paved area or splash block,calculated to a size to give an equivilent flow to the system demand.Sounds like a pain but I haven't found any other way.
Lamar Vaughn,SET ---- Richard Carr <[email protected]> wrote: > HOSE VALVES. > > Richard Carr, SET > Design Manager > Associated Sprinkler Co., LLC > 336.373.3901 ext 217 > [email protected] > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Monday, July 26, 2010 8:32 AM > To: [email protected]; [email protected] > Subject: Test connection for forward flow testing of backflow > > Just trying to get a consensus, > > Got a backflow in a building at the riser location, what is the preferred > type of connection at the wall which would allow for forward flow testing? > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > [email protected] > http://www.ch2m.com > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.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) > > > This email and any attached files are confidential and intended solely for > the intended recipient(s). If you are not the named recipient you should not > read, distribute, copy or alter this email. Any views or opinions expressed > in this email are those of the author and do not represent those of the > company. Warning: Although precautions have been taken to make sure no > viruses are present in this email, the company cannot accept responsibility > for any loss or damage that arise from the use of this email or attachments. > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.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) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.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)
