La. Stat. tit. 38 § 2836
Subject to the supervisory control of the State Department of Public Works, any and all contracts of the district may be let by the board of commissioners, with advertisement, on the terms and subject to the conditions which it may fix in the ordinance or advertisement calling for bids. The person or firm to whom any contract is awarded shall furnish, within the delay fixed by the board, a bond of a surety company authorized to do business in the State of Louisiana, in the amount required by the laws relating to contracts for public works, and conditioned that the work shall be performed in accordance with the plans and specifications of the engineers of the State Department of Public Works, and the terms of the contract, and the board shall demand any other bonds and obligations which the laws relating to public works contracts require the contractor to give.
The board of commissioners and the State Department of Public Works may execute any and all work with its own force and equipment and under its own supervision or the work may be executed on behalf of and for the benefit of the district by the State of Louisiana, or any agency, department or commission thereof.
La. R.S. § 38:2836