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Plmqwk
Plmqwk, Master Plumber
Category: Plumbing
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Experience:  20+ years in plumbing field. Licensed master plumber, commercial plumbing inspector
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I have a water fairly vigorous leak inside the concrete of

Resolved Question:

I have a water fairly vigorous leak inside the concrete of my basement wall. The inlet pipe from the water main is copper, and the leak is spraying out of the concrete outside the basement into the gorund. I dug all the way down to it (it's over six feet down) and hoped to seal it with silicone rescue tape, but could not get to the leak inside the wall.

What can I do, other than knock a hole in my concrete wall? The (rural) water pressure is very high here, and reducing it would help. A pressure reducer inside the house would not help, since the leak is a few inches from where the reducer would be. Is it possible to install a pressure reducer outside the house in the undergoudn line? Any other ideas? Help!!!
Submitted: 1 year ago.
Category: Plumbing
Expert:  Plmqwk replied 1 year ago.

Welcome to Just Answer. I will do my best to fully answer your question(s).

The only way you can repair your leak is to shut the water off at the main in the street. (this will entale calling your local emergency number as it is a weekend.-the water utility may have a number listed but if not, call the police department) Once the water is shut off you can cut the piping in two places, once outside the foundation wall and once inside. then remove the piping in the wall and purchase a section of pipe long enough to replace the old one and coupling it back together.

Customer: replied 1 year ago.

Any idea what a reasonable plumber should charge (I live in Missouri) if I do the digging down to the pipe?


 


Also, how much space would he need to connect the new piece to the copper line outside the basement wall? Inside the wall should be easy, but outside the house is a real bit#@!


 


I would ask again about a pressure reducer on the outside of the house? Bad idea? Good idea? Is it even an option?


 

Expert:  Plmqwk replied 1 year ago.

Installing a reducer is not an option. you need to shut water off in order to install any type of fitting or material. There is an option of freezing the pipe but thats gonna cost labor. It costs nothing for the water dept to shut the water off even on weekends. As for the repair you will definitely save alot of money doing you own digging! I would get at least a 3' by 3' area against the foundation wall. As for plumbing costs in the neighborhood of $200 an hour for the holiday. Probably take 2-3 hrs once the water is off. I assume this leak is BEFORE your water meter so if you can wait until monday plumber will be much less. The water running before the meter isnt costing you anything. If you can go with out water til monday have the water dept. shut it off now then repair on monday.

Customer: replied 1 year ago.

I can shut off the water with no problem. It should be able to wait until early next week, since the leak is outside. Unfortunately, my meter is over 100 feet away from the house, so the water is on my dime.


 


Since the line is copper, will he solder or how will he join the two ends?


 

Expert:  Plmqwk replied 1 year ago.
Yes then the water off soon as possible! Usually for underground service lines they use a compression coupling but flared is also an option. Some codes do not allow for soldering underground fittings.
Plmqwk, Master Plumber
Category: Plumbing
Satisfied Customers: 902
Experience: 20+ years in plumbing field. Licensed master plumber, commercial plumbing inspector
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