B. 20 %
C. 40 %
D. 50 %(Correct)
A raft foundation is provided if its area exceeds the plan area of the building by______________?
B. 20 %
C. 40 %
D. 50 %(Correct)
B. 20 %
C. 40 %
D. 50 %(Correct)
B. 20 %
C. 40 %
D. 50 %(Correct)
B. 20 %
C. 40 %
D. 50 %(Correct)