No contract for the construction, improvement or repair of any state highway, or of any other public highway to be awarded and administered by the department of transportation, may be awarded to any contractor who has not first been prequalified to perform the work. Bidding proposals will be issued only to prequalified contractors.
[Statutory Authority: RCW 47.01.101
. WSR 91-04-014 (Order 128), § 468-16-010, filed 1/28/91, effective 2/28/91.]