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With two new crowbars, and with my trusty sledgehammer eager to get back into action, I started demolishing the bathroom yesterday morning. I could never have guessed what was about to happen. Never.
I stripped away the door frame, then pried a section of tile away from the wall. Just like I had feared, the concrete backer board is reinforced with a thick wire mesh, which when broken is sharp. Oh well, I can get behind it all with my crowbar and pull it away from the studs.
I was working on the wall where the sink and mirror are located. Hot and cold water lines, made of galvanized steel, come out here about 18 inches from the floor. I didn't give them much thought--normally they are fastened to the 2x4s.
As I freed the tile around the hot water line I heard a shhhhhhhhh sound, followed soon after by Cheryl screaming from downstairs, "Water, water!" I flew downstairs and into the garage to turn off the water, but the kitchen, which is directly below the bathroom, was already flooding. Not good.
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Back upstairs to diagnose the problem. I can see that the pipe disappears into the area between the first and second floors, but there's no way to see, much less get my hand down there. So I had to go around into the hallway, and poke a hole into the wall from that side. I could see a little better but still not very far down, so I
chiseled away the oak floor to make an opening. Oak does not like to be chisled. Finally with the flashlight I could see that the steel pipe is attached to PVC about a foot below the floor.
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I went to Home Depot to get the necessary plumbing stuff. But when I got back I realized the hole is still not big enough to get my hand down there, so I had to pry up one of the oak boards in the hallway and then cut away some of the subfloor. Cheryl and I tried a test--she turned on the water for 3 seconds, and this allowed me to see the leak coming from the connection between the PVC pipe and the steel pipe.
With such a tenuous connection, the workers (the ones who put in the PVC) should have secured the steel pipe to 2x4s. I have considered every aspect of their character and well-being over the past several hours.
On the other hand, I should not have assumed that the pipe was secure. I should have been more careful, and I will be from this point on.
Anyway, after two trips to Home Depot and about four hours from when the leak sprung, I finally got the plumbing capped and we got the water turned back on. It was time for a nap and some personal reflection.