(a) Utility owners.

1. (1) A rate may be developed from actual experience or a rate of five percent (5%) of total project costs may be used.
2. (2) Include a schedule that shows the base figures and computations with the relocation proposal.
3. (3) If the rate changes prior to beginning relocation work, an updated schedule must be submitted with the first invoice.
4. (4) The records supporting the entries for overhead and indirect construction costs shall show the total amount, rate, and allocation basis for each additive, and shall be provided upon request and are subject to audit by the Arkansas Department of Transportation and/or federal representative or representatives.