Given Retaining wall as shown in the figure $($not to scate$).$

The foundation soll properties $C=1,500$ prt: $=0$;$=110$ pd

The backill sail properties $C=0,={33}^{**}$:$y=110$ pd

The weights of the wall

$W_1=5,000l\frac{b}{f}t{W}_1=13,200l\frac{b}{i}t,W_1=2,780l\frac{b}{f}t$

The active force $P_4=6490l\frac{b}{h}t($No need to calculate this$)$

Assume $P_{,\text{a}\text{c}\text{t}\text{i}\text{n}\text{g}at}\frac{H}{3}$ from the bottom.

Find $*$ The factor of safety against overturning, Fser

The factor of safety against sliding. FS$.$

using Rankine theory at active situation,

Keep $3$ significant figures for the results;

Show the whole process as required

Don't calculate those given.

$!!!!!!!!!!!!!!!!!$PLEASE EXPLANE HOW TO GET THE ARM TO T $($FT$)$ IN THIS PROBLEM $!!!!!!!!!!!!!!!!!!$