2026 Roller Compacted Concrete Alley Program

The City of Davenport is seeking bids for the 2026 Roller Compacted Concrete Alley Program, which involves the construction of two alleys in Davenport. The project includes the removal of existing pavement, full-depth aggregate stone base material, geo fabric/grid materials, reconstruction of the roadway with PCC alley approaches and RCC pavement, and other related work. The estimated cost of the project is $458,000. The contractor will be responsible for furnishing all labor, materials, and equipment necessary to complete the project. • Key aspects of the project include: • Removal of existing pavement • Full-depth aggregate stone base material • Geo fabric/grid materials • Reconstruction of the roadway with PCC alley approaches and RCC pavement • Resetting of existing utility surface features to finish grade • Replacement of adjacent driveway approaches • Reconstruction of sidewalk at intersections, including ADA ramp construction • Topsoil and sodding • Erosion control • The project requires the contractor to develop an RCC mixture proportioned in accordance with the specification and procedures discussed in ACI 325.10R-95. • The contractor must also submit certified test data showing that the proposed mix design will meet the required compressive strength, flexural strength, and splitting tensile strength. • The project includes quality assurance and control measures, including testing and inspection of the RCC mixture and pavement.