Problem $1$

We are forming and placing concrete for a new retaining wall. For this problem, please

consider the volume of reinforcing steel neg$/$igible$.$

The footing for the wall is $8^{\text{'}}-\frac{101}{2^{\text{'}\text{'}}}$ wide and is ${64}^{\text{'}}-{61}_2^{\text{'}\text{'}}$ long. The top of footing elevation is

designed to be elevation ${35}^{\text{'}}$ and the bottom of the footing elevation ${32}^{\text{'}}-6^{\text{'}\text{'}}.$ What is the

volume of concrete required for the footing placement assuming $5\%$ waste? We will be

pumping the concrete and will need to prime the pump $($assume $1\mathrm{.}5$ cy $),$ and we will be

pulling $7$ wheelbarrows of concrete measuring $8$ cu ft each for concrete testing.

$1$A$)$ Sketch the footing on the provided graph paper, show all dimensions and

elevations

$1$B$)$ Provide calculations on a separate piece of provided graph paper of the

concrete quantity to be ordered.