Neb. Rev. Stat. § 17-568: Neb. Rev. Stat. § 17-568

The mayor and city council of a city of the second class or village board of trustees may employ a special engineer to make, or assist in making, any estimate necessary or to perform any other duty provided for in section 17-568.01 . Any work executed by such special engineer shall have the same validity and serve in all respects as though executed by the city engineer or village engineer.