The county board may solicit and award a design-build contract for a project on the basis of a best value selection process as provided in this section. The Minnesota State Building Code is the minimum construction standard throughout all of Minnesota including all cities, townships and counties.State law requires Hennepin County to retain contract documents pertaining to Prevailing Wage for six (6) years after the project is closed. The City will reconstruct Hennepin Ave. Between W. Lake St. and Douglas Ave. Find the best construction attorney serving Hennepin County. Construction permits. Learn about the different types of construction permits and how to apply. Elevate Hennepin SM provides up to 25 hours of one-on-one specialized construction industry technical support with each advisor with each advisor. By her order, Judge Janisch issued a permanent injunction to prevent the lien filing service from completing mechanic's lien statements for its customers.