Cal. Pub. Cont. Code § 21162

Notwithstanding any other law, upon the approval of the board of directors, and without the approval of the board of supervisors, the district may use, for contracts for the construction of a building or buildings and improvements directly related to the construction of a building or buildings, the procedures described in Chapter 4 (commencing with Section 22160) as that chapter reads on January 1, 2018, or as it may be amended after that date.