Location of Freeze proof sand Point

Discussion in 'Pumps and Tanks Well Forum & Blog' started by ton, Apr 17, 2010.

  1. ton

    ton New Member

    Messages:
    41
    I will be installing my first sand point in the next 3 weeks. The objective here is to have water year round. The cottage and crawl space will be heated. The crawl space will have a perimeter insulated wall sprayed foam with heat maintained at 42 deg. I am struggling of where to place the sand point. I do have water all over the property. Please refer to the attached picture of where I would like to place it. Options are;

    1.Inside of crawl space, driving the point from inside of the building. I do have the height required to do this. (Crawl space is only 2ft high). The point than would be in warm area year round. Well point can be accessed but it would be extremely difficult to pull out. Its there for ever.

    2. Outside of the building 4 ft down (below frost line) with insulated pipe entering the building. Styrofoam would be place over well head and back filled with sand. Check valve exposed installed mid way point of suction line so it could be serviced.

    3. Out side of building 1 ft over ground level. An insulated perimeter shelter (with removable top) made part of the heated crawl space would surround the well head. Sand point could be accessed etc. With this option I am concerned that it may still freeze. We could easily get -30f in Jan and Feb.

    Thank you. Recommendations are appreciated.

    Attached Files:

    Last edited: Apr 17, 2010
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,689
    Location:
    Cave Creek, Arizona
    I may be confused, because a sand point is driven into the ground to draw water from the water table. That being so, HOW is it going to freeze? The piping from the sand point, however can freeze, but that has more to do with how IT is installed, not where the sandpoint is.
  3. ton

    ton New Member

    Messages:
    41
    Thank you for the reply. It will be driven down to draw water. Your right the piping from the sand point will contain water at all time therefore if its about the frost level it will freeze. The ground under the building should not. How would you install it.
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