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Ground Work for House Extension

  • 21-02-2011 10:28am
    #1
    greened
    Registered Users, Registered Users 2 Posts: 465 ✭✭


    Hi All,

    I am in the process of getting quotes for a self build house extension (40msq).

    I have recieved a couple of quotes for ground work.There is a good chance that we will hit rock once we start digging and one person who quoted asked if I would be happy just laying 2 courses of blocks in the foundation if we hit rock instead of three. I am aware that 3 is the standard but I am unsure of agreeing to only 2 courses and hence the post.

    He also has quoted for 6 inches of concrete for the floor. Is this the normal depth of a concrete floor.

    Thanks in advance.


Comments

  • #2
    rayjdav
    Registered Users, Registered Users 2 Posts: 1,097 ✭✭✭rayjdav


    Best advice here imo is to get an engineer on board to make the call, asap, before you agree any price for works. Each site is different and a typical foundation may not suit given the ground conditions.

    6"(150mm) is the standard, but once again, an engineer can make final call given a specific site condition.


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