General will do. On Mon, Dec 12, 2011 at 7:21 PM, Steve Leyton <[email protected]>wrote:
> Blue smoke one-liner or just a general one? > > Steve Leyton > Protection Design & Consulting > > Ron Greenman <[email protected]> wrote: > > Must have been George and his peppermint schnapps. I'm big on colored > smoke. I want one one-liner on that. > > On Mon, Dec 12, 2011 at 5:42 PM, Steve Leyton > <[email protected]>wrote: > > > Ron and George, crawling through attics looking for the peppermint > smell. > > Out of respect to Commodore Muncy, I will refrain from articulating the > 25 > > or 30 one-liners that are bouncing around in my head at this moment. > > > > Steve Leyton > > Protection Design & Consulting > > > > David deVries <[email protected]> wrote: > > > > I think it was George Church or Ron Greenman who had a way of finding > > leaks > > in dry pipe systems by putting peppermint oil in the DPV and then > pumping > > up the system with air. Follow the smell in the attic back to the > > leak(s). Never tried it myself, but would like to know more about how > to > > do it and how well it works. > > > > Long term, you are looking at replacing leaky pipe and/or figuring out > how > > to convert the system to wet. > > > > *Dave* > > > > On Mon, Dec 12, 2011 at 5:04 PM, Tom Duross <[email protected]> > wrote: > > > > > This is kind of a rant/long winded digression/request for opinion > kinda > > > thingy.. > > > I have a group residence built in the late seventies with a dry > system. > > > I-2, ranch style building with attic. > > > Steel pipe, attic and living space coverage, 13 design (closets, > > bathrooms, > > > concealed spaces, everything covered). > > > I've mentioned it to this forum before. The dry system has become a > > real > > > source of frustration this past month. > > > When we did our annual testing this summer all went well. This is our > > 3rd > > > year here so we did a full flood trip. > > > Been fine as far as I know since August. This past Saturday it > tripped. > > > When I got there, reset it, noticed air pressure dropping and air > > > compressor > > > cycling every 30 minutes. > > > I climbed into the attic (more like lumbered) and found several > > locations > > > of > > > pinhole leaks in the underside of mains. > > > This is old 2 1/2"-3"-4" threaded pipe sitting on the bottoms of the > > > trusses. Great. > > > With it being a Saturday afternoon, the supply house is closed. > > > I managed to find a couple of plumbing supply houses ready to close > and > > > bought three saddle type repair clamps. > > > Went back and installed them and once back up, the cycling dropped to > > about > > > every 90-100 minutes for about a 20 minute run. > > > I tightened up the differential on the pressure switch so it ran for > > only > > > 3-4 minutes but it started every 45 minutes or so. > > > I felt that better since it was a riser mount and got hot in that 20 > > minute > > > cycle. > > > The clients were all still out at a day program and needed to return, > > > feeling for them as I do I told the manager to bring them home. > > > I called the Deputy, told him I did a temporary patch and fix for the > > > weekend, pretty sure it would be OK, and would return Monday. > > > I returned Monday morning, still cycling every 45 minutes or so, > > squeezed > > > back up (with some lights this time!) and found one more. > > > Right under the pipe, as you slide your hand along the pipe, just a > > little > > > hiss of air. I had brought gas leak detector with me in a spray > bottle. > > > I sent baby brother out for another repair saddle (I just wanted to > get > > it > > > tight first) while I balanced across 24" OC roof joists with a trouble > > > light > > > in one hand and a flashlight in my mouth. I sprayed every fitting I > > could > > > see, even the high uprights, no bubbles. We put the 2" saddle on, > > > compressor started and stopped, we sat there in the attic for over an > > hour, > > > quiet as church mice. About ready to get up and pat each other on the > > > back, > > > the air compressor started again. UUGH! We climbed back down, watched > > the > > > gauge again, sprayed half a bottle of leak detector all over the dry > > pipe > > > valve, air supply, inspectors test, went in and sprayed the faces of > the > > > dry > > > pendents. That's all that was left. Nothing found. > > > I think I'm just almost causing small leaks to appear after I stop the > > > larger ones. Almost chasing my own tail (if I had one). > > > Remember Curly standing in the bathtub putting one section of pipe > into > > > another and the water won't stop? Am I a victim of circumstance? > > > > > > Well, it's still this way as I write this and thinking of options for > > the > > > Owner, I wanted to (get to the point Tom) run something by the forum. > > > I'm past the point of no return weather-wise, I don't want to flood > it. > > It > > > was 28 degrees last night. > > > What if I pumped glycol (I know, I know) to not only maybe find a drip > > but > > > maybe to stabilize it for the winter? Has anyone done this? > > > The other question, and the reason behind the title, could I just > > abandon > > > the dry system? > > > Could I just change the system from a '78 NFPA 13 dry system to a '07 > > 13R > > > in > > > an existing building that's already sprinklered? > > > The attic isn't used for living purposes, storage, has no mechanical > > > equipment or anything serviceable. Just an 18x18 access panel. > > > I think if it wasn't sprinklered and I was asked to install a system, > > > that's > > > what I'd do. A soffitted wet system with sidewalls. > > > > > > Scratching my head and removing splinters. > > > > > > TD > > > > > > _______________________________________________ > > > Sprinklerforum mailing list > > > [email protected] > > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > > <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachme > > nts/20111212/12c45b59/attachment.html> > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > > > -- > Ron Greenman > Instructor > Fire Protection Engineering Technology > Bates Technical College > 1101 So. Yakima Ave. > Tacoma, WA 98405 > > [email protected] > > http://www.bates.ctc.edu/fireprotection/ > > 253.680.7346 > 253.576.9700 (cell) > > Member: > ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC > > They are happy men whose natures sort with their vocations. -Francis > Bacon, > essayist, philosopher, and statesman (1561-1626) > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachme > nts/20111212/4f7f47e1/attachment.html> > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111212/c3f7c6cc/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
