Foundations ,Columns and slabs
Normally 1m x 1m and 1m below any fill level.
Reinforcement is 4 Hun Full and not placed at the bottom of the excavation.
Cement is elephant brand red or the equivalent in all concrete
Columns are normally 200mm x 200mm with 4 Hun Full reinforcment
Slabs are usually 200mm thick and have 2 Hun Full tied reinforcement, not a preformed thin mesh.