CA NP MOJA 11(2) 10(2) XS_signsealed_Part5.pdf

This is Part 5 of an Invitation for Bid for road improvements within Mojave National Preserve in San Bernardino County, California. The Federal Highway Administration, Central Federal Lands Highway Division (FHWA-CFLHD), in coordination with the National Park Service, is soliciting bids for approximately 56.5 miles of road improvements across three major routes: Kelso-Cima Road (19.3 miles), South Kelbaker Road (22.3 miles), and Morningstar Mine Road (14.9 miles). The estimated project cost ranges from $80,000,000 to $120,000,000. Work includes full depth reclamation of existing pavement with new asphalt placement, widening roadways to a consistent 26 feet, reinforcement of 48 low water crossings (11 on South Kelbaker Road and 37 on Kelso-Cima Road consisting of buried concrete barriers with riprap revetment), horizontal and vertical roadway realignment in select areas, installation of longitudinal and transverse rumble strips, signing, pavement markings, and paved pullouts. Morningstar Mine Road improvements consist of full depth reclamation and surface-course aggregate placement, with realignment work at the Cima Road/Morningstar Mine Road intersection.

The solicitation is issued as a full and open competition with HUBZone price preference. The project involves significant environmental constraints due to the natural resource sensitive area location, requiring careful attention to road construction, traffic control, visitor relations, and timely project completion. The Department of Transportation Federal Highway Administration is the contracting agency, with the National Park Service providing coordination. This is Solicitation Number 6982AF25B000013.