Cal. PCC § 10204

(a) (1) Notwithstanding any other law, the director, following any required notification made pursuant to Section 10206, may procure design-build contracts for public works projects in excess of one million dollars ($1,000,000) that are at the Salton Sea or that are necessary for the construction, maintenance, or operation of elements of State Water Facilities, as defined in Section 12934 of the Water Code, and may award the contract using either the low bid or best value, provided that this article shall not apply to any projects on the state highway system.

(2) Notwithstanding paragraph (1), this article does not apply to the design or construction of through-Delta water conveyances in the Sacramento-San Joaquin Delta.

(b) The director shall develop guidelines for a standard organizational conflict-of-interest policy, consistent with applicable law, regarding the ability of a person or entity, that performs services for the department relating to the solicitation of a design-build project, to submit a proposal as a design-build entity, or to join a design-build team. This conflict-of-interest policy shall apply to each department entering into design-build contracts authorized under this article.