
r/FireSprinklers

Some customers make me chuckle.
Customer insisted we send these out for testing instead of replacing them all lol
Nineteen hundred and ten FYI
Customer is asking to have these sprinklers removed from these bleachers.
Bleachers are usually against the wall. Is it againist nfpa13 to omit sprinklers in this area?
One of you know the name of this thing?
It says on the visible part of the label “Thermal expansion relief valve”, but I’ve seen three of these things in lieu of a ball valve for an ITV. When I rotate it 270 degrees to the open position, water flows about what seems right, but I want to know if this is a code compliant ITV. For the record, the outlet has a smooth restricting orifice representative of the smallest head in the system, so that isn’t an issue.
Clean agent/inspector
I need someone who can do clean agent systems and test in Washington asap have a lot of work with opportunities on either side of the state or Portland as well! Reach out!
Fire sprinkler wallets
Hey guys I make these fire sprinkler wallets with your local number or company name and initials. Let me know if you’re interested and I’ll send a link to my Etsy page
3 PRV’s in a Row, Plus a 4th down the line, Why?
So 3 prvs in the pump room, a 4th prv located further down the system (serves a dry valve riser water supply). The 2 are in a row after the pump, that feed into the same exact spot in the system side piping.
Then a smaller prv on that smaller middle line, no jockey or anything on that line, it is fed from the same pump discharge piping as the other 2 prvs and it feeds the same exact spot on the system side pipings as the other 2. So you really have three PRV‘s being supplied at the same exact point of the system and relieving pressure at the same exact point of the system.
They also have a prv down the line for the dry riser supply (have a series of dry valves directly above on the floor above).
I am honestly lost on why you would need that smaller prv. I could see needing multiple prvs, especially needing a separate PRV for your dry valve water supply (if it branched off of your discharge side piping prior to a prv, so you would need a PRV for your supply for the dry riser and then a prv for your supply for the rest of the system), but this seems pretty excessive. Especially the small PRV and then having an additional one for the dry riser down the line when you’ve already had the water going through three separate PRVs.
Does anyone understand why that small PRV is in place? Or why they would this building would need 3/4 prvs serving the same discharge piping/point in the system?
I work in test and inspection so my installation knowledge is a little limited and I know the answer could heavily be reliant on hydraulic calculations. I was just wondering if anyone had any insight.
Working as a sprinkler fitter in the 60’s and 70’s
Recently ive been out on my own and ive came across some very old systems / piping . Threaded 5” and above or welded piping. Heads dating back to the 30’s etc etc. I’m young and the foreman who I apprenticed under came up during the early 2000’s he had some pretty cool stories from back then but I’m curious has any of you guys worked with guys who worked from the 60’s or 70’s I wonder how it was back then, anybody got any cool stories ?
Union vs. Non Union
Hi! My husband is a sprinkler apprentice (he’s finished his 1st year) with a non-union company. He’s always heard that it’s bad being in a union but never can get answers as to why. At first glance, to me at least, union sounds like it has good benefits! I was looking into 669 district 18 for him, but also we aren’t sure how it all works and if there’s different unions around?
He currently makes $21/hr, he does get overtime frequently and has been working a lot of weekends. He does pay for health/vision/dental/life insurance for him and our daughter, and just vision and dental for me. It’s about 100 per paycheck (weekly) for those benefits. He does get 401k benefit matching and does also get put onto scale pay jobs sometimes. I’m not sure how these all compare to what union benefits run.
I guess my question basically is should he wait until he finishes the apprenticeship schooling and gets a license and then think about moving over or should he try now? Are there good non-union companies in that area? His company now is kind of falling apart and it’s honestly just stressing all the fitters out. He knows dry systems, plastic, steel, (probably more I’m not sure about). He prefers commercial jobs not residential. Has osha10, lift, and cpr certifications.
ETA: he currently just has to provide his own hand tools (levels, tape measure, screwdrivers, wrenches, etc) (which do occasionally get stolen off the jobs and he has to replace them out of pocket). He also has 3 years experience on the job, just 1 year of the schooling.
Info Repository
Hi! I am a fpe student currently and working on creating more assistance for FPEs. I am thinking about creating a repository on github for people to add all sorts of info for students and proffesionals to access and maybe help them in their endeavors. I will disclame that I also intend to make a second brain for claude using fpe materials and I figured this could help others do the same as well as crowd source some material for my own brain. Would anyone be intersted?
Please help with NFPA-D codes. Don’t have the book to look up
reddit.comCan any one ID this sprinkler?
What model sprinkler is this? I think it’s a residential Viking brand but I can’t find any matching models.
Can the central disc be removed with the tabs to open it?
K factor best guess?
Assuming it’s a standard response, but couldn’t get any more info about this head.
3-year dry pipe inspections
Multiple AHJs are now adding 3-year dry pipe testing as a distinct Brycer submission category — Lansing FD effective tomorrow, plus several others. For contractors doing this work: how are you currently handling the documentation for that specific test? Bundled into your annual inspection report, or separate workflow? The AHJ enforcement seems to be tightening. - thanks in advance for the response.
Riser shaking
Our 2” apartment rise is violently shaking but system is not activated
Gauges are bouncing from the surge but flow switch did not activate
Any ideas of the cause or solution?