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Question DetailsAsked on 12/3/2014

Cost to fix water pipe line under concrete side walk

What will be approximate cost as plumber will need to break concrete side walk and need to get to water pipe line which is about 2 feet to 3 feet under to get leak fixed and then put back block of concrete side walk which is around width of 3 feet and length of 3 feet.

I am getting quote of 1600$ from plumber. It is reasonable?

Also I paid 300$ to detect the leak. It is reasonable?

Please let me know

I live in atlanta,ga.

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1 Answer


Obviously, the specific costs relate to your specific property conditions - so all you can get here is a gut feeling from contributors.

The detection - $150-300 would not be usual for a formal sonic detection exercise, assuming you were looking for a smallish leak that could not basically be heard just walking over the ground. At 2-3 feet deep it should have been on the easier side to find - especially as there would probably have been a wet or boddy spot there with that shallow burial.

Sidewalk - while personally if I could get away with it (depending on whether city/county would buy off on it if the sidewalk is under their control or code), I would not repair a leak under the sidewalk, because that leaves a connection there to fail in the future. I would pull out the pipe in a cut piece about 6 feet long, wash out enough of a hole to snake in a new piece of pipe, and backfill with damp coarse sand compacted from the ends as it is put in. That would eliminate the probably $500-800 cost for a concrete contractor to jackhammer out one or two slabs (depending on how pipe falls relative to joints) and excavate roughly to the pipe, then come back later to compact and put down new base and pour new replacement slabs after the pipe repair is done. You might get it about half cheaper if removal of the sidewalk block and replacement with the same one is allowed, assuming it is reinforced so can handle the moving.

Figuring with slab replacement of $500-800, that leaves about $800-1100 for the plumber to finish the excavation to the pipe and fix it - that sounds like quite a bit. In our area, for about a 50-80' run to the street, you can get about half a total line replacement for that cost, so I would (unless spewing wateror shut off so you are in a hurry) check around for a couple more quotes.

Answered 5 years ago by LCD

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