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Foundation depth

  • 31-05-2024 9:33pm
    #1
    bigragu
    Registered Users, Registered Users 2 Posts: 2 ✭


    I'm going to build a 600 x 600 inspection chamber for a 18 inch storm water pipe. I have dug down at each side of the pipe and poured two strips of concrete 6 inches thick. There will be around 5 courses of block on flat to bring it back to ground level. Is 6 inches thick enough for the base of the block work?



Comments

  • #2
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,062 ✭✭✭10-10-20


    Hi, what traffic will be expected over the drain, foot, car or commercial? That's the deciding factor.



  • #3
    bigragu
    Registered Users, Registered Users 2 Posts: 2 ✭bigragu


    No traffic, just the weight of the blocks.



  • #4
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,062 ✭✭✭10-10-20


    Then a bare minimum foundation should be fine as long as the soil has been removed and there is some type of compacted stone base.



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