Equipment overhead costs include the direct costs of normal risk insurance and property taxes along with the indirect costs of storage, security, mechanics supervision, inspection, licenses, and record keeping. Profit, project overhead, and general company overhead costs such as office facilities and supplies are not included.
Overhead is listed as one total hourly dollar figure. Some of these costs may be recovered in project or general company overhead. To avoid duplication of recovered costs, adjustments may be necessary for items in the total overhead cost. The following approximate breakdown of the overhead costs shows the percentage by which the specific overhead items can be modified or eliminated from the total overhead costs: