This project will install a roundabout at the intersection of Northeast 182nd Avenue and Northeast Risto Road, resurface the roadway with a hot mix asphalt from Northeast 167th Avenue at Northeast 199th Street to the JC Ward Bridge on Northeast 182nd Avenue, improve superelevation at Northeast 199th Street and Northeast Risto Road, apply a high friction surface treatment on the curves, and relocate utility poles on Northeast 182nd Avenue and Northeast Risto Road. Primary bid items: Mobilization, Construction Surveying, Flaggers, Traffic Control Supervisor, Construction Signs Class A, Portable Changeable Message Sign, Clearing and Grubbing, Roadway Excavation Including Haul, Select Borrow Including Haul, Construction Geotextile for Soil Stabilization, Crushed Surface Based Course, Shoulder Finishing, High Friction Surface Treatment, HMA CL. 3/8 IN. PG 58H-22, HMA CL. 1/2 IN. PG 58H-22, Pigmented Cement Concrete Pavement, Cement Concrete Pavement- Incl Dowels (Truck Apron), Ductile Iron Culv. Pipe 12 IN. Diameter, Ductile Iron Culv. Pipe 18 IN. Diameter, Erosion Control and Water Pollution Prevention, High Visibility Silt Fence, Topsoil Type A, Dual Faced Cement Conc. Curb and Gutter with Scupper, Roundabout Cement Concrete Curb and Gutter, Driveway Construction Type HMA, Beam Guardrail Type 31, Beam Guardrail Type 31 Non-Flared Terminal, Illumination System, Intelligent Transportation System, Permanent Signing, Plastic Line, Plastic Wide Line, PVC Sanitary Pressure Main 3 In. Diameter
