Lefthand Canyon Drive Winter Roads Flood Repair
DEI was awarded the Lefthand Canyon Drive Winter Roads Flood Repair project from Boulder County. Approximately 10 miles of a two lane paved road was damaged in the 2013 flood, keeping residents from travel to and from their homes. Work included construction of a gravel roadway to safely carry traffic through the winter months. Detailed repairs included removal of pipe, remove and mill 1,790 cy of asphalt, clean culverts, import 9,500 cy of embankment support, 22,250 cy of rockery fill, structure excavation & backfill, erosion control, re-lay pipe, place 2,192 cy of recycled asphalt roadbase, rip rap, install 7’X7’ precast concrete box culvert and 18”-36” stormpipe, and traffic control.