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Old 07-30-2018, 11:32 AM   #11
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I put my ass in the ringer once while freezing and capping lines in a hospital.
Had a 140° hot line blow with no back up. I was heating the line to sweat on a cap and the heat got too close to the freeze plug. Flooded a good portion of the floor. There wasn't a next time, but if there ever is, I will have a plan "b", like using an female adapter instead of a cap with a sharkbite as a back up. They didn't have sharkbites back when this occurred.
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Old 07-30-2018, 11:43 AM   #12
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I put my ass in the ringer once while freezing and capping lines in a hospital.
Had a 140° hot line blow with no back up. I was heating the line to sweat on a cap and the heat got too close to the freeze plug. Flooded a good portion of the floor. There wasn't a next time, but if there ever is, I will have a plan "b", like using an female adapter instead of a cap with a sharkbite as a back up. They didn't have sharkbites back when this occurred.
Freeze plug and a jet swet as a second line of defence with like you say an adapter or ball valve while keeping a 2x SB right beside you.
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Old 07-30-2018, 02:09 PM   #13
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I worked at the casino for a year as a 2nd year apprentice doing plumbing maintenance full time. There weren't many valves to shut down the line and fix a faucet for example. It was a nightmare, my mechanic would swear up and down searching for nights 1,2, 3! (we were working nights) to find a valve. Renting a scissor lift up to the ceiling 40 feet in the air, looking in dead space shafts using gang planks to try and access a valve hoping its the right one and usually it wasn't it. Many times we'd put a bucket in the ceiling tied with wire to catch the drip so they could use the black jack table during the day because we wouldn't have time to drain the system and repair.

Last summer at a hospital, the guy that does maintenance assured the plumber I know (just recently finished his 4th year apprenticeship) the water was shut off. He proceeded to cut a 4" copper water main with a sawzall. Flooded 3 floors, shut down surgery and several rooms. Several millions in damages. A year after that I worked for that same company, the plumber left to work with another company. What a stupid boss owner(Another story and my last boss ever!!)

What I'm saying do it on the fly and watch the millions go out the window and you may go to jail because of criminal negligence. Your reputation as a dumba$$ will follow you for life.

when it comes to my insurance and or reputation, I trust no one but myself to make sure the water, gas , electric or anything is shut down and I want to actually see where the shut offs are in case I need to run for them...otherwise no work starts..period end of conversation..
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Old 07-30-2018, 07:21 PM   #14
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when it comes to my insurance and or reputation, I trust no one but myself to make sure the water, gas , electric or anything is shut down and I want to actually see where the shut offs are in case I need to run for them...otherwise no work starts..period end of conversation..
Yep. People always want to shut down water for me, and that's fine, but I'm coming with you just so I know where it is, in case I need it the next time you call me out and you aren't home.

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Old 07-30-2018, 07:31 PM   #15
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when it comes to my insurance and or reputation, I trust no one but myself to make sure the water, gas , electric or anything is shut down and I want to actually see where the shut offs are in case I need to run for them...otherwise no work starts..period end of conversation..
I almost died once or would of been burned badly by steam. papermill shutdown : the foreman who nobody liked told me to start unbolt a 12" steam pressure valve. Close behind me I was seeing steam comming out of another pipe. He assured me the mill had shut it down and locked and tagged. Well screw him I did my own walk through several floors to find out the line was still live.

I gave him hell! Sometimes it's impossible on shutdowns as you can't walk away like that and the lines start in other buildings. Unbolting a 14" condensate line also spewed as the pocket released and boiling water flooded the mill floor 6 inches. I was lucky I had split the flanges and was waiting 10 feet away for the welder to come back when it came boiling out.
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Old 07-30-2018, 08:13 PM   #16
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I almost died once or would of been burned badly by steam. papermill shutdown : the foreman who nobody liked told me to start unbolt a 12" steam pressure valve. Close behind me I was seeing steam comming out of another pipe. He assured me the mill had shut it down and locked and tagged. Well screw him I did my own walk through several floors to find out the line was still live.

I gave him hell! Sometimes it's impossible on shutdowns as you can't walk away like that and the lines start in other buildings. Unbolting a 14" condensate line also spewed as the pocket released and boiling water flooded the mill flor 6 inches. I was lucky the I had split the flanges and was waiting 10 feet away for the welder to come back when it came boiling out.
A few years ago here in Charlotte, a seasoned sprinkler fitter came back to work after burying his mom in another state. His first day back, he took apart a 6" victaulic cap that was still on test. They say say it took his whole face off and killed him instantly. I'm glad you didn't listen to your foreman.
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Old 07-30-2018, 08:21 PM   #17
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Have any of you changed a Sloan Regal or Royal control stop out without shutting the supply off?
Yes, but it was in a lawn maintenance shop with low pressure so no big deal.

I can't even imagine trying this in a finished hospital. Anything can go wrong. The sweat ring could come off as your loosening it. I agree hospital work can be a pain, but you gotta follow protocol.
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Old 08-01-2018, 07:43 PM   #18
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The problem is that aside from the lack of valves you can't pop your head into the cieling to see if there is a valve. Most of these calls are bathrooms in patient rooms. You arent allowed to open a drop cieling tile with a patient there. Even without a patient in the room (empty room) you have to set up a booth that extends to the cieling. Then after you close the cieling tile someone has to come in and test the air. So it takes at least an hour and paper work to slide open 1 drop cieling tile. Also, if there is a valve it may not just shut off the water to that one bathroon. It might shut water off to the ER. Or dyalisis room which might be on the same floor...crazy right
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Old 08-01-2018, 10:05 PM   #19
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The problem is that aside from the lack of valves you can't pop your head into the cieling to see if there is a valve. Most of these calls are bathrooms in patient rooms. You arent allowed to open a drop cieling tile with a patient there. Even without a patient in the room (empty room) you have to set up a booth that extends to the cieling. Then after you close the cieling tile someone has to come in and test the air. So it takes at least an hour and paper work to slide open 1 drop cieling tile. Also, if there is a valve it may not just shut off the water to that one bathroon. It might shut water off to the ER. Or dyalisis room which might be on the same floor...crazy right

sure is, but flooding 5 floors down would be much worse...and how many millions of damage..so weigh the liability and if you cant find valves and any boss tells you to go ahead make sure you got witnesses after the flood, because you know you will be the scape goat and hung out to dry...no pun intended..
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Old 08-01-2018, 10:31 PM   #20
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The problem is that aside from the lack of valves you can't pop your head into the cieling to see if there is a valve. Most of these calls are bathrooms in patient rooms. You arent allowed to open a drop cieling tile with a patient there. Even without a patient in the room (empty room) you have to set up a booth that extends to the cieling. Then after you close the cieling tile someone has to come in and test the air. So it takes at least an hour and paper work to slide open 1 drop cieling tile. Also, if there is a valve it may not just shut off the water to that one bathroon. It might shut water off to the ER. Or dyalisis room which might be on the same floor...crazy right
I lived that situation with booths installed for dust control in hospitals. They would set it up during the day and we'd work at night and replaced the 100+ year old cast iron in the hospital. No fun and the small guy crawled on top of the ducts because I didn't fit to plant hangers. I hated that job!!
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