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  1. #1

    Join Date
    Jan 2001
    Posts
    110
    Location
    Indianapolis, IN
    Tractor
    New Holland TC33D

    Default Foundation over a ground stump?

    I have cleared land for a small barn for tractor and attachments. I amplanning to borrow my dad-in-law's stump grinder for free[img]/w3tcompact/icons/cool.gif[/img] !. Assuming I can ground the stumps 6" below grade, can I put a stone base and pour concrete? Or should I opt for the backhoe rental and dig the stumps? My fear is that the stumps will rot and cause a foundation problem.
    The stumps range from 5" to 12" and I have about a dozen to remove. (Hardwoods - no pines)

    Eric


  2. #2

    Join Date
    Jul 2001
    Posts
    1,807
    Location
    Sharpsburg, Md
    Tractor
    John Deere 4100 HST

    Default Re: Foundation over a ground stump?

    Eric,

    Get a backhoe and remove them!!

    A couple of reasons. One, they well eventually rot and could possible weaken your foundation. Two, wood may attract termites and Lord only knows what else. Another possibility is depending on the kind of tree, like a locust or sumac, more trees could sprout and well, just cause you more aggrevation than necessary.

    Better to be safe than sorry.

    Terry


  3. #3
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    23,525
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: Foundation over a ground stump?

    They will rot away eventually leaving a cavity under the floor. I'd dig them out and fill in the holes. I'd also rent a plate compactor and compact it every 4 inches of fill.

    <font color=green> MossRoad </font color=green>

  4. #4
    Silver Member
    Join Date
    Nov 2000
    Posts
    126
    Location
    CA, Placer County
    Tractor
    1999 Kubota L4310 HST 4WD, R4 Tires, Folding ROPS, Kubota Canopy

    Default Re: Foundation over a ground stump?

    I deffinitely recomend that you remove the ground stumps from under the slab. They will rot and leave the floor unsupported in addition to attracting termites or ants. Concrete is designed for compression loads. Even with 4" of concrete it can break easily if unsupported. Fill the holes from the stumps, water and compact everything before you lay the rock base. It is a good idea to spread a little Diazanine crystal bug killer before adding the rock or a vapor barrier. You should consider a plastic vapor barrier or "admix" in the concrete to keep any significant moisture from coming up through the slab and rusting equipment. The plastic vapor barrier is pretty cheap. The waterproofing "admix" is pretty expensive at ~$18 per yard. The "admix" does NOT make the concrete "water vapor proof".


  5. #5

    Join Date
    Feb 2001
    Posts
    415
    Location
    Michigan
    Tractor
    Kubota B7100HST & Kubota L4610HST w/FEL

    Default Re: Foundation over a ground stump?

    ecard
    I'd also remove the stumps. Small project now versus possible big problems in the future. Is that stump grinder you mention one that hooks to the 3ph?
    regards
    Mutt


  6. #6
    Super Star Member Thomas's Avatar
    Join Date
    Apr 2000
    Posts
    12,212
    Location
    Lebanon,NH.
    Tractor
    Kubota L2800HST w/Frontloader & CC LTX1046

    Default Re: Foundation over a ground stump?

    I remove the stump
    If the stump rots and leaves a hole than water could settle in and freeze,and frozen water under a cememnt floor not good.[img]/w3tcompact/icons/crazy.gif[/img]

    Thomas..NH [img]/w3tcompact/icons/wink.gif[/img]

  7. #7

    Join Date
    Jan 2001
    Posts
    110
    Location
    Indianapolis, IN
    Tractor
    New Holland TC33D

    Default Re: Foundation over a ground stump?

    Thanks for the replies - it looks unanimous - dig'em out. I guess I was looking for the easy route. [img]/w3tcompact/icons/tongue.gif[/img]

    Thanks for the info - wish I had a backhoe for my TC33D - maybe Santa will bring me one!!!

    Eric


  8. #8
    Super Member
    Join Date
    Apr 2000
    Posts
    5,666
    Location
    Cedartown, Ga and N. Ga mountains
    Tractor
    1998 Kubota B21, 2005 Kubota L39

    Default Re: Foundation over a ground stump?

    Eric,

    <font color=blue>I guess I was looking for the easy route.</font color=blue>

    Never works that way for me. [img]/w3tcompact/icons/smile.gif[/img]

    MarkV




  9. #9
    Elite Member Richard's Avatar
    Join Date
    Apr 2000
    Posts
    3,154
    Location
    Knoxville, TN
    Tractor
    Fullsized JCB Loader/Backhoe

    Default Re: Foundation over a ground stump?

    Seems to me in the longer view of things, taking the stumps out IS the easy way out!! [img]/w3tcompact/icons/wink.gif[/img]

    Richard


  10. #10
    Veteran Member mikim's Avatar
    Join Date
    Feb 2001
    Posts
    2,324
    Location
    Paige Texas
    Tractor
    NH TC45

    Default Re: Foundation over a ground stump?

    Do it right the first time or do it, do it, do it again.



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