Ala. Code § 11-54B-16

The municipality may, by ordinance, authorize the district management corporation to contract work to be done on any street or streets, or on other municipal property, included in the self-help business improvement district. In the event that the municipality elects to contract with the district management corporation with respect to such work, the district management corporation shall, solely with respect to such contract, be subject to the statutory rules and regulations applicable to the letting of contracts by a municipality. Further, the plans and specifications of any construction work to be contracted shall be approved by the municipal engineer prior to initiation of any actions for the awarding of a contract under this article.