Z--Zion 274111 - Bridge Preservation, Zion National Park

Project Description: The purpose of this project is to rehabilitate two steel multi-girder bridges and two tunnel structures and associated areas at Zion National Park. Repairs for the bridges include the repair of a bearing seat, stabilizing erosion at abutments, painting steel beams, bridge deck repairs, installing new wooden guardrail, paving and striping on deck and approaches, cleaning and resealing deck expansion joints. Repairs for the tunnels include removal of possible loose rock over the portals, installation of a guardrail system at the portals, repair of spalls in shotcrete lining, repair of longitudinal cracking and spalling of the concrete pavement, repair of minor collision damage to the lining and ribs, and providing new pavement striping and reflectors. The project will choose one construction contractor for the bridge and tunnel work.

Division 01 -	General Requirements, Vehicular Access and Parking, Traffic Control, Temporary Barriers and Enclosures.
Division 03 -	Concrete, Concrete Reinforcing, Precast Structural Concrete.
Division 05 -	Metals, Structural Steel Framing, Structural Steel for Bridges, Steel Joist Framing, Steel Joist Girder Framing.
Division 07 -	Thermal and Moisture Protection, Expansion Control.
Division 09 -	Finishes, High-Performance Coatings.
Division 10 -	Specialties, Signage, Traffic Signage.
Division 26 -	Electrical, Exterior Lighting, Lighting Poles and Standards, Roadway Lighting.
Division 31 -	Earthwork, Embankments, Erosion and Sedimentation Controls, Slope Protection, Gabions, Riprap, Special Foundations and Load-Bearing Elements, Driven Piles.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Rigid Paving, Fences and Gates, Retaining Walls.
Division 34 -	Transportation, Bridges.