Nice info.. Our site also had loose soil, so we are going for 10 feet foundation and retaining wall on all 4 sides. This increased the project cost by 11 lakhs (5 feet extra foundation and 10 feet retaining wall) .
Dear Sir , Binding of top and bottom mess reinforcement of pump house raft is Completed but in the rainy season filled with loose soil in the raft. So some of the loose soil cleared by inject water pressure but in the PCC top is filled with loose soil .So give me a solution for clean the loose soil from the PCc top.