Okla. Stat. tit. 82, § 82-566: Execution of plan - Powers of directors

The board of directors shall have full power and authority to

devise, prepare for, execute, maintain and operate any or all works

or improvements necessary or desirable to complete, maintain,

operate and protect the official plan. They may secure and use men

and equipment under the supervision of the chief engineer or other

agents, or they may in their discretion let contracts for such

works, either as a whole or in parts.