Mud hole-base

Discussion in 'Hardscaping' started by jzur55, Nov 6, 2018.

  1. jzur55

    jzur55 LawnSite Member
    Messages: 114

    Building on to an existing patio. I had to move a 4x8 shed backwards and am adding on where the shed previously was. Got in there with the bobcat moving dirt today and buried my tracks. It’s thick mud, not really wet just grey and spongey. My plan moving forward is to dig down about 3ft with mini trac, fill with rip-rap, then base on top. Never dealt with this kind of sub base before not really sure how to proceed. Any help greatly appreciated!


  2. Mr. Jon

    Mr. Jon LawnSite Member
    from Jersey
    Messages: 172

    3 ft. might be a little extreme, but definitely remove all the soft soil. I would go with 3/4" clean with biaxial geogrid every 6".
    hort101 likes this.
  3. OP

    jzur55 LawnSite Member
    Messages: 114

    Thanks Mr Jon!
    hort101 likes this.
  4. hatchetson2005

    hatchetson2005 LawnSite Member
    from sydney
    Messages: 17

    Far out
    its impossible to get that deep in southern australia
    that means northern to yo !!
  5. zedosix

    zedosix LawnSite Silver Member
    Messages: 2,689

    First, get that bobcat out of there, work with an excavator. Excavate to undisturbed ground, install geo textile. Install 2" clear to 8" below final grade , install another layer of geotextile, install final 6" of compacted 3/4" minus then your sand and brick.
    hort101 likes this.

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