> On a more important matter: If a system was retrofitted with a backflow, and > there is no hydraulic calc plaque attached to the riser, and NFPA requires > forward flow testing of backflows, how can you conduct the test without a > benchmark to test against? > > What is the recommended practice in this scenario? > Forest Wilson
>Add the cost of surveying and calcing the system to your bid. > Ron You are supposed to do this anyway. See 8.16.4.6.2 (02 edition) The annex goes on to mention schedule systems are not required to be calculated, but the water supply still must be verified... R/ Matt Matthew J. Willis, CET Automatic Fire Sprinklers Norred Fire Systems L.L.C. 318-387-1134 Voice 318-387-1163 Facsimile [email protected] -- _______________________________________________ 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)
