Using Engineering News formula, the allowable load (Qa) of a wooden pile hammered with a drop hammer (W = 30 kN), having free fall (H) 1.5 m, penetration in last blow (S) 5 mm, using empirical constant (C) as 2.5 and factor of safety as 6, will be
1
185 kN
2
250 kN
3
212 kN
4
231 kN