Agenda - Council - 11/13/2018 - Laserfiche WebLink

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2. INTRODUCTION 2.1 Authorization The preparation of this report was authorized by the Ramsey City Council on August 28, 2018. This project has been designated as City Improvement Project No. 19-01. 2.2 Program Overview In support of the City's long-term Street Maintenance Program, the existing bituminous pavement section will be reconstructed, and existing ditches will be re -graded to enhance drainage. Other appurtenant work will be completed as outlined in this report. The City's pavement evaluation process involves a visual evaluation of each street's pavement surface based on the type, extent and severity of each pavement distress observed. Numerous types of pavement distresses may exist within a pavement section including, but not limited to, alligator cracking, block cracking, longitudinal cracking, transverse cracking, rutting, raveling, shoving, potholes and patches. This field data is then used to rate the pavement condition. The City uses the Pavement Surface Evaluation and Rating (PASER) system to rate pavement condition. A PASER rating is a numerical index between 1 and 10 indicating the condition of a pavement based on the various pavement distresses recorded during visual observations. A PASER rating of 10 represents brand new pavement, while a PASER rating of 1 represents a pavement section that has fallen into complete disrepair requiring full reconstruction. In the summer of 2018, City Staff evaluated and rated the condition of the pavement along the Ford Brook Estates street segments. A PASER rating of 2 was assigned to 180th Lane and Krypton Street. 2.3 Scope City of Ramsey Improvement project 19-01 proposes to perform subgrade soil corrections, reconstruct the existing bituminous pavement, re -shape the ditches to enhance drainage, and to complete other appurtenant work on 180th Lane from Trunk Highway 47 to Krypton Street, and on Krypton Street from 180th Lane to its termini cul-de-sac which totals approximately 860 linear feet (0.16 miles) in length. The existing bituminous pavement section is proposed to be reconstructed by replacing the existing bituminous pavement, aggregate base, and 2 feet of unsuitable subgrade material with 2 feet of select granular borrow placed on geotextile fabric, 4 inches of imported or reclaimed aggregate base, and 3.5 inches of bituminous pavement. The resulting pavement design will generally meet current City design standards for residential pavement sections. A map showing the location and scope of the proposed improvements is included as Figure 1 in Appendix A. Feasibility Report Ford Brook Estates Street Reconstructions City of Ramsey Project No. 19-01 6