Question

Number of boreholes required for soil investigation

Answer 1

and collecting soil samples.
– For a 30.5m wide building, depending on number of stories (1 to 5 stories) 3.5m to 24 m deep borings can be made. – For a multi story building borehole spacing is 10-30m. – The exploration cost is generally 0.1-0.5% of the cost of the structure.