Four columns of a building are to be located within a plot size of $10 \mathrm{~m} \times 10 \mathrm{~m}$. The expected load on each column is $4000 \mathrm{kN}$. Allowable bearing capacity of the soil deposit is $100 \mathrm{kN} / \mathrm{m}^{2}$. The type of foundation best suited is

(A) isolated footing

(B) raft foundation

(C) pile foundation

(D) combined footing

Four columns of a building are to be located within a plot size of $10 \mathrm{~m} \times 10 \mathrm{~m}$. The expected load on each column is $4000 \mathrm{kN}$. Allowable bearing capacity of the soil deposit is $100 \mathrm{kN} / \mathrm{m}^{2}$. The type of foundation best suited is

(A) isolated footing

(B) raft foundation

(C) pile foundation

(D) combined footing

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