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The Water Cooler
General Discussion
Major plumbing question, need advice
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<blockquote data-quote="NightShade" data-source="post: 2537297" data-attributes="member: 29706"><p>It should be possible to tunnel under the slab a little but if your going more than a foot or two it's not a great idea and this will only work IF the slab is directly on the ground and does not have any footings to deal with. The problem is that if there is a break it will be a pain to find and will likely require all of the line between where it enters the house up to about two feet out from under the slab to be tore up to find and make the repair. </p><p></p><p>It's pretty much bad news either way as if the line is already leaking there are probably weak spots in other places and it would be best to replace the line from the meter till it comes inside. If you just replace a section the movement of the line will cause another weak spot to fail and you will be at the same junction sooner than later. The only way it can get worse is if the slab is post tension, cutting in to them is your worst nightmare come true. </p><p></p><p>If I was to continue owning the home or had built it in the first place I would have run pex or soft copper inside of a conduit so that it was better protected and in the instance it may need replacing all I would have to do is shut off the meter, cut the line on either end and then pull a new section through. Since you are wanting to sell you may not want the increased cost of something like that.</p></blockquote><p></p>
[QUOTE="NightShade, post: 2537297, member: 29706"] It should be possible to tunnel under the slab a little but if your going more than a foot or two it's not a great idea and this will only work IF the slab is directly on the ground and does not have any footings to deal with. The problem is that if there is a break it will be a pain to find and will likely require all of the line between where it enters the house up to about two feet out from under the slab to be tore up to find and make the repair. It's pretty much bad news either way as if the line is already leaking there are probably weak spots in other places and it would be best to replace the line from the meter till it comes inside. If you just replace a section the movement of the line will cause another weak spot to fail and you will be at the same junction sooner than later. The only way it can get worse is if the slab is post tension, cutting in to them is your worst nightmare come true. If I was to continue owning the home or had built it in the first place I would have run pex or soft copper inside of a conduit so that it was better protected and in the instance it may need replacing all I would have to do is shut off the meter, cut the line on either end and then pull a new section through. Since you are wanting to sell you may not want the increased cost of something like that. [/QUOTE]
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The Water Cooler
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