Please solve this problem for all steps and show work, thank you for your help this is geotechnical engineering.

For the wall given in Problem #$1$: Sometime after the end of construction, a leaking utility

pipe that runs in the zone of imported backfill behind the wall causes a rapid buildup of water

behind the wall as shown in the following sketch:

$G.W.T.\frac{\text{g}\text{r}\text{a}\text{d}}{7}$

Note: Wall & backfill are not drawn to scale

This buildup of water occurs very rapidly in the highly permeable imported backfill, with

water levels in the surrounding native soil not responding as rapidly due to its lower

permeability. $($This is why there are two water tables shown in the sketch above $-$ one is a

"perched" water table. A seepage gradient has not yet had time to develop.$)$ Unfortunately,

the drains for this wall have stopped working due to improper maintenance, which means

that the water is there to stay behind the wall.

Please draw the active earth pressure, surcharge, and water pressure diagrams that act along

plane a$-$b for the inundated wall, and calculate the magnitude and location of each of their

resultant forces. Please combine these forces to calculate the total resultant force that acts to

destabilize the wall $($e$.$g$.,$ that acts on the right hand side of the wall shown above$).$ What is

the corresponding point of action of this resultant force?