Minimum lease time for crane(s) will be six (6) hours per crane for a straight time operation and eight (8) hours per crane for overtime or legal holiday operations, except on 2400 hour starts, which will have a seven (7) hour minimum lease time. The lease time is subject to the minimum crane lease charges as provided in rule 34-625. The applicable crane lease charge will be assessed for the hours the crane(s) is (are) utilized, and any remaining hours on either the 6-hour straight time minimum or the 7-hour/8-hour overtime minimum, as the case may be, will be assessed the applicable stand-by labor rate.