Prior to purchasing the supplies for a project, what document should the builder first prepare? bill of materials estimate of the linear footage estimate of the square footage wiring diagram of the facility

## Step 1<br />The question is asking about the document that a builder should prepare before purchasing supplies for a project. The options provided are: bill of materials, estimate of the linear footage, estimate of the square footage, and wiring diagram of the facility.<br /><br />## Step 2<br />A bill of materials is a comprehensive list of all the materials required for a project. It includes the quantity of each material needed, which is crucial for budgeting and purchasing purposes.<br /><br />## Step 3<br />An estimate of the linear footage or square footage is a measure of the space required for a project. While this is important, it does not provide a detailed list of the materials needed.<br /><br />## Step 4<br />A wiring diagram of the facility is specific to electrical projects and does not provide a comprehensive list of all the materials needed for a project.<br /><br />## Step 5<br />Therefore, the builder should first prepare a bill of materials before purchasing supplies for a project. This document will provide a detailed list of all the materials needed, which is essential for budgeting and purchasing purposes.