Hasn't there always been an issue with the head adapters? David Autry Plans Examiner Nebraska State Fire Marshal's Office 246 S. 14th Street Lincoln, NE 68508 402-471-9659 402-471-3118 fax www.sfm.ne.gov -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Thursday, May 03, 2007 1:59 PM To: [email protected] Subject: RE: Leaks...how many is normal?
What kind of building is this in? Never had many call backs on commercial type work, 99% never developed any leaks within the 4-5 years I was involved. Now industrial was different, main cause was activity within the area and having other trades using sprinkler sprigs and pipes for the anchor points of their safety harnesses or just having equipment banging into the piping while equipment was being moved around. Even had pipe fitters use the sprinkler main for a place to attach a chain fall so they could lift their pipe in place. Oh yeah, some people aren't too bright. Paul, what is the system static pressure like? Are they experiencing any abnormally high pressures in the system due to high ambient temperatures, if gridded does it have a pressure relief? Sometimes with the quality of the steel castings from foreign countries, you just had a few fittings that leaked no matter what. They just had to be replaced. Craig L. Prahl, CET Fire Protection Group Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 [EMAIL PROTECTED] http://www.lg.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Paul Sincaglia Sent: Thursday, May 03, 2007 2:45 PM To: [email protected] Subject: Leaks...how many is normal? A question for you contractor types. I have a client who has experienced a few leaks in a sprinkler installation with some steel but mostly CPVC pipe. It passed the initial hydro and now a year or so later, they have experienced a few leaks over the past year which the original installer and/or servicing contractors have fixed. In my mind the number of leaks they have had seems relatively minor given the scale of the job (thousands of fittings of all kinds and sizes) and there is no clear pattern to the leaks that would lead you to believe that there might be problem with the installation of a given fitting type or the work of a single fitter being sub-par. But hey...this is construction...nothing is perfect...stuff happens. My question is do any of you have any data and/or rules of thumb with regard to the number of leaks that might need follow-up repair following initial installation? Maybe some assumption you base your warranty costs on etc. I would like to be able to go back to them and say that perfection is often sought but rarely achieved and that general industry experience is...... If you got something, even if it is anecdotal, I'd love to have it. I specify and design 'em, but don't put 'em in. So I just don't know. Thanks Paul E. Sincaglia, P.E. Firesafety Solutions, Inc. Fire Protection Engineers and Code Consultants 67 East Washington St. Chagrin Falls, OH 44022 440-247-3770 440-247-7974 fax www.firesafety-solutions.com _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
