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  1. C

    material quantity help

    thanks, do you think the 9" depth is ok or over kill?? at the 9" depth i will have 2 courses of block laid flat below ground level
  2. C

    material quantity help

    I have dug a trench and I am going to put 9" deep footings that are 415mm wide and 14.5m long. Can someone help with how much ballast and cement required? What ratio ballast to cement for a 600mm high retaining wall would be ok?
  3. C

    Low retaining block wall footings

    I am laying my blocks flat over a 10m run holding back roughly 300mm of soil. How deep should my trench be and how deep should my concrete base be? On the width I have gone for 415mm in the base. Thanks
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