If the board of county commissioners of such county deem action under authority of this act to be necessary or expedient said board shall adopt by resolution a preliminary plan for the use of such old courthouse property. Said board shall then employ a licensed architect to make a survey and cost estimate for such improvement or demolition. After consideration of such survey and estimate, said board may have such improvements made or demolition done and the same shall be done in accordance with Kan. Stat. Ann. §§ 19-214 to 19-216, and amendments thereto.