Table 1: Foundation mix design Batch 3 Batch 4 Water (C) 305kg/m3 217kg/m3 Cement (C) 277kg/m3 277kg/m3 Bentonite (B) 69kg/m3 69kg/m3 Aggregate 1485kg/m3 1485kg/m3 W/C 110% 78% B/(C+B) 20% 20% B/W 23% 32%