I can state a few instances in which the calc plate info helped identify large water supply issues. If the demand on the play was 500 gpm at 40 psi. And the main drain test yields 20 psi through a 2 inch drain you can make a good guess that there is an issue that needs addressing. It also identifies building use changes that were not done correctly. .10/1500 in a retail store can tell the AHJ he needs to look further.
I think they are important. Sent from my iPhone > On Nov 7, 2014, at 5:16 PM, Matt Willis <[email protected]> wrote: > > I tend to agree. However, what real world use do we gain years later from > this information? > Any additions will be calculated. If not, at least meet the same number of > sprinklers per piece of pipe. > During the days when we would write up over spaced heads and calcs were new, > I could see the need. Now days..., not so much. > > R/ > Matt > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Todd - Work > Sent: Friday, November 07, 2014 3:03 PM > To: [email protected] > Subject: Re: Hydraulic Placard > > FWIW, A hydraulic placard tells me (1) it is a hydraulically designed system > and (2) The original design criteria. Everything else is superfluous. > > Todd G Williams, PE > Fire Protection Design/Consulting > Stonington, CT > www.fpdc.com > 860-535-2080 (ofc) > >> On Nov 7, 2014, at 4:29 PM, Pete Schwab <[email protected]> wrote: >> >> In states like Florida with a 2 tag system, a missing hydraulic placard is a >> deficiency and automatically gets a red tag. That really makes building >> owners happy. >> >> Peter Schwab >> VP of Purchasing & Engineering Technologies >> >> Wayne Automatic Fire Sprinklers Inc. >> 222 Capitol Court >> Ocoee, Fl 34761 >> >> Mobile: (407) 468-8248 >> Direct: (407) 877-5570 >> Fax: (407) 656-8026 >> >> www.waynefire.com >> >> >> >> We’re hiring great people at all of our locations! Please check out our >> website for the details! >> >> -----Original Message----- >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of >> Roland Huggins >> Sent: Friday, November 07, 2014 4:09 PM >> To: [email protected] >> Subject: Re: Hydraulic Placard >> >> A starting point is to identify that it is a non-critical deficiency (along >> with the categories for any other deficiencies). Then the owner can >> prioritize what is to be fixed and when. If we could get some owners to >> just fix the impairments, we’d be a long way down the road. >> >> The discussion obviously will be different when the state requires tagging >> and notification of the AHJ. What do you guys and gals see in these states >> on what to bring to the AHJ’s attention? >> >> Roland >> >> >> Roland Huggins, PE - VP Engineering >> American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives >> Dallas, TX >> http://www.firesprinkler.org <http://www.firesprinkler.org/> >> >> >> >> >> >>> On Nov 7, 2014, at 11:54 AM, Jeff Bridges <[email protected]> wrote: >>> >>> An earlier thread brought up a good point and a common problem- >>> Hydraulic Placards >>> >>> Missing Hydraulic Placard is a common deficiency found during routine >>> inspections. >>> >>> Owners and AHJ's seldom (read never) have copies of the Approved >>> plan, so the only method of re-determining these numbers can be >>> costly and time consuming. >>> >>> Owners scoff at the price and even the importance- AHJ's have waived >>> the requirement on some instances leaving the Sprinkler contractor looking >>> bad. >>> >>> What's your experience on how do you react when it comes to the >>> missing Hydraulic Placard? >>> >>> >>> >>> Jeff Bridges >>> >>> JB Fire Protection Inc >>> >>> (888) 523-4737 Fax (714) 285-0203 >>> >>> Fire Sprinklers Save Lives & Property >>> >>> >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> l >>> er.org >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org > _______________________________________________ > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
