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    techie2u's Avatar
    techie2u Posts: 8, Reputation: 1
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    #1

    Mar 28, 2014, 11:26 AM
    Need to install Underground waterline to garden
    I would like to install an underground water line to a small garden about 200' from the house to wash tools and provide some irrigation in dry spells. Would 1/2 flexible pipe be OK? What kind of pipe should I ask for at Home Depot?

    Thanks in advance for your time.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Mar 28, 2014, 02:52 PM
    Too much friction loss in 1/2 " at 200', particularly if you want to do some irrigation. Minimum 3/4 ", preferably 1". Use Polyethylene or PVC.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Mar 28, 2014, 03:08 PM
    Where do you live and is there a frost line?
    techie2u's Avatar
    techie2u Posts: 8, Reputation: 1
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    #4

    Apr 3, 2014, 07:29 AM
    Quote Originally Posted by ma0641 View Post
    Too much friction loss in 1/2 " at 200', particularly if you want to do some irrigation. Minimum 3/4 ", preferably 1". Use Polyethylene or PVC.
    Great advise. I was looking at 1" buried 24" in Atlanta area. Thank you very much.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #5

    Apr 3, 2014, 12:45 PM
    I would not use PVC, it is cheap but brittle and you will have over 20 fittings. PEX and other tubing can be continuous. Your frost depth is 24" so if you bury it at 24 you will need to blow out the line every winter or bury deeper. I would use PEX at 6" to 12" and blow out each fall.
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