Please address all aspects of each question using references to the texts or presentations, as partial credit will be provided

Scenario

The concrete dam in the figure below is to be built on top of a soil whose profile consists of two horizontal layers of soil, each $7ft$ thick. The depth to the groundwater table is approx. $4$ feet. The dam is anticipated to combine to weigh approx. $7500psf.$

The layers of the soil have the following $p$

$\backslash$table$[[,$top,bottom$],[k(f\frac{t}{s}),1\mathrm{.}4{10}^{-3},2\mathrm{.}7{10}^{-5}$