Description
The Navajo Nation Division of Transportation seeks a qualified contractor to design‑build an 8.635 km (5.36 mi) roadway corridor (Blue Canyon Road) in Apache County, AZ. The work encompasses full‑scale civil infrastructure construction, including extensive earthwork, subgrade preparation, aggregate base and hot‑mix asphalt pavement, bridge removal and new bridge installation, drainage structures, gabion walls, rock‑fall protection fencing, utility (water and power) relocations, guardrails, concrete barriers, fencing, cattle‑guards, signage, pavement markings, and final site restoration. The project is funded by the Federal Highway Administration’s Tribal Transportation Program and must comply with FP‑14 federal specifications and Navajo Nation procurement regulations.
• Earthwork: ~160,000 m³ excavation, subgrade stabilization, and rip‑rap installation.
• Pavement: Untreated aggregate base (≈ 29,470 t) and asphalt concrete (≈ 16,560 t).
• Structures: New concrete box culvert, bridge structures, gabion walls (≈ 9,335 m³), and rock‑fall protection fence.
• Utilities: Relocation and installation of PVC/HDPE waterlines, corrugated steel drainage pipes, and coordination with NTU‑A and Frontier Communications.
• Safety & Finish: Guardrail system (≈ 1,535 m), concrete barriers, extensive fencing, signage, paving markings, and seeding for site restoration.