Ala. Code § 9-2-42

The Department of Conservation and Natural Resources is empowered and authorized to enter into contracts with engineering or architectural firms for the preparation of plans and/or specifications to be used by said department in constructing or modifying buildings and other facilities within the jurisdiction of the Department of Conservation and Natural Resources and may contract for such supervisory engineering or architectural services as may be needed in its construction work; provided, that any such advisory services contracted for must conform to the fee schedule as adopted by the state Building Commission.