Please answer $2\mathrm{.}1$ and $2\mathrm{.}2$ : Q$.2$ A $45$ cm $-$diameter pile is driven in thick Sandy soil $($high displacement pile$)$ for a length of $8\mathrm{.}0$

m $.$ The average SPT bow counts within the sandy soil is $20$ blows per foot $($BPF$).$

$2\mathrm{.}1$ Calculate the end bearing resistance $($in kN $)$ of the pile:

$(2-$points$)$

$2\mathrm{.}2$ Calculate the ultimate skin resistance $($Qs$)$:

$(2-$points$)$