| http://www.w3.org/ns/prov#value | - For an extension or house footings they are normally 600mm wide and 1000mm deep this is the minimum though, and building inspectors can ask you to go deeper depending on the soil conditions. the plan on the left is for the course odd in number such a 1 , 3, 5 etc, * the arrows point out the queen closer positions this plan is for all the even courses such as 2 , 4 , 6 etc * arrows indicate positio
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