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Thread: hole thru foundation for frost free sill cock

  1. #1
    DIY Member jwray's Avatar
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    Oct 2004
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    Virginia
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    Default hole thru foundation for frost free sill cock

    I am trying to replace a couple of hose outlets with frost free sill cocks. Existing are hose bibb sweated to 1/2" copper. The hole through the poured foundation is about 3/4" in diameter and needs to be 1 1/8" in diameter for the sill cock install.

    Any suggestions on how to ream out the hole to the larger size? the concrete is older (1920 vintage house) and about 10" thick.

    I may have the option to raise the position of the sill cock about 12" and go through the brick and box joist. I could plug the old hole with some hydraulic cement.

    Ideas?

    Thanks,

    Joel

  2. #2
    In the Trades Gary Swart's Avatar
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    Sep 2004
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    Default

    To drill a hole in concrete, you will need to rent a rotary hammer/drill with a bit as large as the hole you need. It should be fairly simple to enlarge the existing hole with one of these.

  3. #3
    DIY Member jwray's Avatar
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    Oct 2004
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    Virginia
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    Thumbs up Worked like a charm

    Gary,

    Thanks for the tip. I was able to borrow the drill and bit from the maintenance shop at work and got the holes reamed out tonight.

    I need to get longer sill cocks for 2 of the 3 locations, then fasten them all in place, seal around the flange, hook up the water supply and I'm done.

    Thanks,

    Joel

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