Alaska Stat. § 36.30.200 – Conditions for use

(a) Except as otherwise provided in this chapter, or unless specifically exempted by law, an agency contract shall be awarded by competitive sealed proposals if it is not awarded by competitive sealed bidding.
(b) The commissioner may provide by regulation that it is either not practicable or not advantageous to the state to procure specified types of supplies, services, or construction by competitive sealed bidding that would otherwise be procured by that method. When the procurement officer determines in writing with particularity that the use of competitive sealed proposals is more advantageous to the state than competitive sealed bidding, a contract may be entered into by competitive sealed proposals.
(c) When the commissioner of transportation and public facilities determines that it is advantageous to the state, a procurement officer may issue a request for proposals requesting the submission of offers to provide
1. (1) construction in accordance with a design provided by the offeror; request for proposals issued under this paragraph must require that each proposal submitted contain a single price that includes the design-build; or
2. (2) preconstruction and construction services under a single construction manager general contractor contract awarded under AS 36.30.309.