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  1. #1
    Platinum Member RayCo's Avatar
    Join Date
    Jul 2005
    Posts
    977
    Location
    Chester County, PA
    Tractor
    Kubota BX24

    Default Where is my frostline

    Hey group. Does anyone know how I can figure out or where I can look up approximately how deep my frostline is? I need to dig a trench for some waterlines to run to a remote hose spicket, and from what I'm reading, I need to put it at least 6" below my frostline. I'm in south eastern PA. Any ideas?

    Thank you
    Ray
    BX24

  2. #2
    Elite Member
    Join Date
    Oct 2004
    Posts
    2,923
    Location
    limerick pa lycoming county pa
    Tractor
    kubota bx23

    Default Re: Where is my frostline

    RayCo

    Call your twp building dept.

    My well lines at my old house in linfield were only a little over 3' down.

    If you use poly pipe that can freeze with out damage hydrant and fittings will be damaged if frozen.

    tom

  3. #3
    Gold Member
    Join Date
    Apr 2004
    Posts
    316
    Location
    Spencerport,NY
    Tractor
    Jinma 284

    Default Re: Where is my frostline

    Check with your county water dept. see how deep they require lines to be burried. Here it's 5 ft.

  4. #4
    Member
    Join Date
    Jun 2007
    Posts
    32
    Location
    northwest pa,on the shores of lake erie
    Tractor
    john deere 2520,johndeere 3520,johndeere 345 lawn tractor,johndeere gator 2 wd

    Default Re: Where is my frostline

    i live in northwest pa and i just had water lines installed today and they went 3 feet deep.i was asking the workers how deep they found frost last winter,they said the deepest was no more than 2 feet.just to be safe you should go no less than 3 feet.

  5. #5
    Platinum Member
    Join Date
    May 2005
    Posts
    954
    Location
    Farwell, Michigan
    Tractor
    JD 2010

    Default Re: Where is my frostline

    Rayco,
    I live in Mid Michigan and my frost line is 42 inches. You need to contact a reliable source for your frost line in your area because if you make a mistake and run water lines above the frost line you could have a serious and costly problem. Contact your local building dept just to be safe.
    David B

  6. #6
    Platinum Member RayCo's Avatar
    Join Date
    Jul 2005
    Posts
    977
    Location
    Chester County, PA
    Tractor
    Kubota BX24

    Default Re: Where is my frostline

    Thank you all for the feedback. I'll be finding some reliable sources to contact before running anything.
    Ray
    BX24

  7. #7
    Super Star Member Egon's Avatar
    Join Date
    Aug 2001
    Posts
    17,602
    Location
    Nova Scotia, Canada

    Default Re: Where is my frostline

    Also consider the placement of the buried line. If there is traffic over it the frost may go deeper.
    Egon
    50 years behind the times
    Livin in a
    Worn out skin bag filled with rattlin bones

  8. #8
    Gold Member
    Join Date
    Aug 2006
    Posts
    443
    Location
    Nottingham, N.H.
    Tractor
    2009 MF 1531 TLB

    Default Re: Where is my frostline

    It be more expensive, but check and see if you can bury ridgid styrofoam insulation, comes in sheets, cut in 24 inch strips, on the pipe before you backfull to keep frost from penetrating. We had a septic tank line with negative pitch and shallow, it was 50 feet long. I had to thaw line two winters ago with jetter. We dug it up and covered it with ridgid insulation, frost went six feet this past winter, it didn't freeze, but had thirty others that did. A mobile home park covered all the lines in their subdivision with insulation, especially in the roads. Frost is worse in low or no snow years, the air molecules in snow insulate the grouind. plowking

  9. #9
    Veteran Member
    Join Date
    Jul 2004
    Posts
    1,628
    Location
    Bancroft, Ontario
    Tractor
    JD4300

    Default Re: Where is my frostline

    Ray-Are you going to be using this tap during the frost season or will it be summer use only? There are some plastic lines in use around here by people who get their water from the lakes that arn't bothered by freezing. (They heat trace them if they need water during winter but some power outages can go on for days.) Mostly it is the section where the pipe comes out of the ground (in a barn for instance) that gives problems.
    If you are at all in doubt, and the water is critical pull a run of heat tracing, or at least some eavestrough snow melt cable in with the pipe then insulate on top....

  10. #10
    Super Member
    Join Date
    Apr 2000
    Posts
    5,664
    Location
    Cedartown, Ga and N. Ga mountains
    Tractor
    1998 Kubota B21, 2005 Kubota L39

    Default Re: Where is my frostline

    A little off topic but a cheap trick I always liked was to backfill half the trench depth and then run “caution” tape before completely filling. If a backhoe digs in the future the tape will come up first to warn of the utilities below.

    MarkV

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