Looks like we will be building an Adbri Masonry Versawall retaining wall on the boundary of the property to a maximum height of 1000mm. We are are unsure of the size of the concrete footing (if needed?), if we need concrete piers with reinforcement and the type of core-fill needed. We are building on reactive clay so we would like to get it right, our council regs are if its over 1000mm we will need council approval and engineering so we will save that added cost and headache. We have researched about drainage and backfill,etc. but not sure about the footing, core-fill, reinforcement bar (size, tie down?)
Manafacturer states "Maximum non reinforced height 800mm+Cap (4 Courses)"
Block size is 400mm Long, 200mm High, 215mm Wide
Any help appreciated
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Sunshine