Design Files.zip

The file appears to be a design file related to a federal contract opportunity for road rehabilitation at Des Lacs National Wildlife Refuge in North Dakota. The project involves repairing Auto Tour Route 011 Lower Lake Road, spanning approximately 2.0 miles, with a base schedule and three optional work packages. The primary scope includes drainage improvements, culvert replacement, ditch excavation and reconditioning, and aggregate resurfacing.

The project's principal work items include clearing and grubbing (2.2 acres), culvert and headwall removal, roadway and subexcavation (535 cubic yards), ditch excavation (1,800 linear feet), and culvert installation (40 linear feet of 24-inch pipe and 70 linear feet of 30-inch pipe). The objective is to improve roadway conditions, enhance user experience, and facilitate easier maintenance by addressing deterioration caused by weather events and lack of routine maintenance. The contract is associated with the Department of Transportation Federal Highway Administration and involves multiple work schedule options with specific improvement focuses along different road segments.