$(20$ points maximum value$)$ Compute the required volume of borrow pit excavation for the following: Borrow soil is stiff clay with a bulk dry unit weight of $129$ pcf at $16\mathrm{.}5\%$ water content in bank condition. Void ratio is $0\mathrm{.}62.$ Embankment volume required is $187,000cy.$ The embankment must be constructed using loose lifts not greater than $8"$ thick. The embankment must be compacted to $114pcf$ at a water content of $18\mathrm{.}3\%.$