Okla. Stat. tit. 69, § 69-1311: Award of contract

(a) At the time and place specified in the notice to

contractors, the governing body or the board of county commissioners

shall examine all bids received and, without unnecessary delay,

award the contract to the lowest and best bidder, who will perform

the work and furnish the materials which have been selected and

perform all the conditions imposed by the governing body or the

board, as prescribed in the resolution for work and the notice for

proposals.

(b) The aggregate amount of the contract shall not exceed the

aggregate estimate of cost submitted by the engineer for the

improvement and, in the event of any excess in cost over the

engineer's estimate, such excess shall be void and no assessments

for such excess levied.

(c) In the event any acquisition of site is necessary, the award

of the contract may be made before or after the time such eminent

domain proceedings as may be required are completed.

(d) The governing body or board of county commissioners shall

have the right to award a contract for all or a portion of such

limited access facility, or to reject any or all bids, and to

readvertise for such further bids as in its judgment are desirable.