Iowa Admin. Code r. 761-178.3
"City" means a municipal corporation as defined in Iowa Code section 312.8 or 362.2.
"Construction " means the building or development of a road, street, bridge or culvert in a new location when:
1. The new location deviates substantially from the existing alignment, and
2. The result is an entirely new road or street for the greater part of the length of the project.
"Day labor " means road, street, bridge or culvert work performed by permanent or temporary city or county employees.
"Improvement" means a betterment to a road, street, bridge or culvert. The work increases the value of the facility and enhances the facility, its traffic operations or its safety beyond the original design. The work would not be so extensive as to be classified as construction or reconstruction, but it could involve rehabilitation, restoration or resurfacing (3R) work.
"Reconstruction " means a significant change to the existing type of road, street, bridge or culvert or its geometric or structural features. Some realignment and the use of current design criteria may be involved.
"Repair or maintenance " means the preservation of a road, street, bridge or culvert so that it is in sound or proper condition. The work may include minor replacements and additions necessary to restore the road, street, bridge or culvert to its originally built condition with essentially the same design.
Iowa Admin. Code r. 761-178.3