Improvements to Gas House Pike at Linganore Creek

roadway improvements to Gas House Pike, replacement of Bridge No. F09-21 and construction of Bridge No. F09-25 The work will include complete removal of existing structures, installing a single 77’ span prestressed girder bridge with concrete substructure and caisson foundation, installing a single 52’ span prestressed girder bridge with concrete substructure and caisson foundation, installing new bridge parapets, replacing portions of the existing traffic barriers, installing new traffic barriers and end treatments, installing pipe culverts and headwall, installing storm water management facilities, installing a 10” diameter sanitary sewer line with associated items (AddAlternate No. 1), 12” diameter water line with associated items (Add-Alternate No. 1), regrading approaches, placing full depth pavement and tying grading into existing topography, milling, patching, and surface paving along Gas House Pike from Sta. 98+40 +/- extending West for approximately 1.7 miles, to existing paved intersection of Boyers Mill Road/McKaig Road/Gas House Pike (Add-Alternate No. 2), and installing the form liner finish on the concrete parapets on the bridges’ superstructures (Add-Alternate No. 3). A temporary stream diversion will be used. The in-stream work restriction period is from March 1 through May 31 inclusive during any year.

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, Asphalt Paving, Rigid Paving, Concrete Paving, Paving Specialties, Pavement Markings, Fences and Gates, Retaining Walls.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Drainage Structures.
Division 34 -	Transportation, Bridges.