Re: exterior water line
Posted by Sylvan Tieger on May 15, 2004 at 11:38:45:
In response to Re: exterior water line
: i have a detached garage about 35' behind my house. i'd like to run a water line to the garage for a hose bib, etc...please advise. what kind of material? diameter? frost issues (i live in maryland - bot. of footing req'd is 30"). i can tie into a cold water line through the exposed part of my basement wall on the house.
: thanks.

For underground water piping I use Copper tubing type K I would also consider the pressure you have available and figure 7/8 OD tubing (3/4)

I would suggest you provice a means of total drtain down of this line in the winter.

Install a shut off valve with a tee and and another valve you can use possibly a wet dry or low pressure pump to make sure the lines is totally drained. Do not forget the vacuum breaker on the end of the hose connection

Otherwise I would install the water line 4 feet below the finished grade for a frost line protection

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