sparkync
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My wash machine is located on a cement slab in my house. It actually used to be a garage before I bought the house and a previous owner closed it in and made a den and a laundry room out of it. My problem now is that the washer drain is not big enough to take care of the water from our new washer(it overflowes). In the crawl space I can see under the slab somewhat. I can see where the galvanized comes through the floor ( there is somewhat of a small space where the dirt has evidently settled through the years). This may be a plus in me trying to replace it with 2" pvc. They have the galvanized going through the slab into a trap under the slab. The roof vent is coming out of this vent back up through the slab, then 90's through the wall, then 90's again up through the roof. Under the house the drain then comes approximately 5 ft. before it reaches the crawl space, then slants its way down the wall, makes another 90, then goes under ground to a separate drain tank under ground. My idea of replacing it is to bust the concrete around the existing galvanized, cut the vent pipe that is coming back up through the slab, and remove the galvanized from under the slab, by cutting it under the house and removing the rest of the galvanized where it goes under the ground. I would then install a surface mount wash machine drain box behind the washer location, somehow either tie the 1 1/2" galvanized vent back in to the drain box, or try to run another pvc vent up through the roof. Then run my new 2" pvc drain down from the new drain box into a "trap" then try to somehow get it under the slab through the small area that is open under the slab, then make my way back to tie it in where it goes under the ground.
If you can visualize what I'm trying to do, I would appreciate your input as to if I've got the right idea or not. Another concern I have is, that when I start busting the concrete out around the existing galvanized, that it don't start cracking the rest of the slab that is undermined under it. A small hallway also goes across this slab before it is terminated to the crawl space. Any better idea is appreciated. This will be a major project for me, and I would call a plumbing contractor, but cannot afford it right now. My wife is having to pack towels around the drain right now to try to minimize the amount of water that is draining into the floor. Thanks a lot for your input.
If you can visualize what I'm trying to do, I would appreciate your input as to if I've got the right idea or not. Another concern I have is, that when I start busting the concrete out around the existing galvanized, that it don't start cracking the rest of the slab that is undermined under it. A small hallway also goes across this slab before it is terminated to the crawl space. Any better idea is appreciated. This will be a major project for me, and I would call a plumbing contractor, but cannot afford it right now. My wife is having to pack towels around the drain right now to try to minimize the amount of water that is draining into the floor. Thanks a lot for your input.