1 A retired Regular officer who also is employed by the federal government and is subject to the dual compensation statutes may have that reduction reduced because of the waiver of retired pay to receive VA benefits.
If they don't, then 4 thick is usually standard for a patio slab, how large or small it is doesn't really matter. The most important part is the sub-base. Make sure you have a good gravel base. I would recommend at least 12 inches of compacted gravel. I like gravel where the aggregate (rocks) are no larger than 1.
Laying concrete shed foundations over paving slabs. how thick and wide should a concrete pad foundation be with a measure ment of 5.7 x 18.5. I have a 9 deep solid reinforced concrete slab foundation would this suffice to build a single 6x3 metre single skin garage on. Can new concrete slabs be laid on top of existing concrete slabs.