The board of county commissioners of any county which has been designated an urban area by the legislature is hereby authorized and empowered to acquire a building site or sites for the rendering of county services by county officials subject to the limitations prescribed by Kan. Stat. Ann. § 19-1586: Provided, however, That general obligation bonds may be issued by such county in an amount not to exceed one hundred fifty thousand dollars ($150,000) to pay all or part of the cost of such acquisition without an election but subject to the provisions of Kan. Stat. Ann. § 19-15,122.