(a) With the exception of projects over water requiring marine access, and which have a contract amount greater than twenty-five million dollars ($25,000,000), in addition to the provisions for partial payment made in Section 10261, the department may make partial payments for the mobilization costs of a contract subject to this chapter, not to exceed the following:

1. (1) When 5 percent of the original contract amount is earned, 50 percent of the amount bid for mobilization, or 5 percent of the original contract amount, whichever is lesser, may be paid.
2. (2) When 10 percent of the original contract amount is earned, 75 percent of the amount bid for mobilization or 7.5 percent of the original contract amount, whichever is lesser, may be paid.
3. (3) When 20 percent of the original contract amount is earned, 95 percent of the amount bid for mobilization, or 9.5 percent of the original contract amount, whichever is lesser, may be paid.
4. (4) When 50 percent of the original contract amount is earned, 100 percent of the amount bid for mobilization, or 10 percent of the original contract amount, whichever is lesser, may be paid.
5. (5) Upon completion of all work on the project, payment of any amount bid for mobilization in excess of 10 percent of the original contract amount will be paid.

(b) For projects over water requiring marine access, and with a contract amount greater than twenty-five million dollars ($25,000,000), in addition to the provisions for partial payment made in Section 10261, the department may make partial payments for the mobilization costs of a contract subject to this chapter, not to exceed the following:

1. (1) When 1 percent of the original contract amount is earned, 50 percent of the amount bid for mobilization, or 1 percent of the original contract amount, whichever is lesser, may be paid.
2. (2) When 2.5 percent of the original contract amount is earned, 60 percent of the amount bid for mobilization, or 2.5 percent of the original contract amount, whichever is lesser, may be paid.
3. (3) When 5 percent of the original contract amount is earned, 75 percent of the amount bid for mobilization, or 5 percent of the original contract amount, whichever is lesser, may be paid.
4. (4) When 15 percent of the original contract amount is earned, 95 percent of the amount bid for mobilization, or 10 percent of the original contract amount, whichever is lesser, may be paid.
5. (5) When 40 percent of the original contract amount is earned, 100 percent of the amount bid for mobilization, or 15 percent of the original contract amount, whichever is lesser, may be paid.

6. (6) Upon completion of all work on the project, payment of any amount bid for mobilization in excess of 15 percent of the original contract amount shall be paid.

   This subdivision shall apply only to contracts that are advertised subsequent to the date that the act adding this subdivision becomes effective.