Description
The Navajo Division of Transportation is soliciting a fixed‑price contractor to rehabilitate approximately 6.92 miles of tribal highway on Black Mesa, AZ. The work includes full‑depth road reconstruction, installation of drainage structures, asphalt paving, and ancillary infrastructure such as fencing, cattle‑guards, gates, signage, and archaeological monitoring. The contractor must self‑perform at least 50 % of the work, provide a certified field laboratory, and comply with a strict 76,800 lb truck weight limit imposed by Navajo Nation Code. No chip‑seal is required, and an alternate concrete block revetment option is allowed with proof of conformance.
• Grading, subgrade stabilization, aggregate base placement, and hot‑mix asphalt (Marshall) installation.
• Construction of multiple culverts (24‑ to 84‑inch), concrete headwalls, and a precast arch culvert.
• Installation of water‑line relocations, fencing, cattle‑guards, gates, signage, and pavement markings; plus archaeological zone monitoring.
• Requirement to provide a certified on‑site field laboratory; self‑perform ≥ 50 % of work; adherence to a 76,800 lb haul‑truck limit.
• Total construction bid price listed at $747,300 (pre‑tax) with a 6 % Navajo sales tax applied.