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Prepared by: Bolton & Menk, Inc. RYAN DRIVE – MODIFIED STREET IMPROVEMENT <br />2022 Street & Utility Improvements (Woodlynn Ave, Ryan Dr) ǀ 0N1.125241 Page 2 <br />III.RYAN DRIVE – MODIFIED STREET IMPROVEMENT <br />Property owners that attended the Neighborhood Meeting felt very strongly that the proposed full- <br />depth reclamation was more robust in nature than is required. They felt there were still useful years <br />remaining in the road and described the Ryan Industrial Park as a collection of property owners that <br />are accustomed to getting the most out of their infrastructure improvements. <br />While there may be a few years of useful life remaining, the 15-year Pavement Management Plan <br />adopted in 2021 indicates that Ryan Drive from Spruce Street to Country Drive has a pavement <br />condition rating of 3.01 which is in line with other streets being rehabilitated within the next few <br />years. Ryan Drive was initially reconstructed in 1993 and a portion of the road was rehabilitated in <br />2003, when old wooden pilings were removed from the roadbed. <br />Project staff described to property owners the intent to improve Ryan Drive with a holistic approach <br />to pavement management. With the Ramsey-Washington Watershed District’s box culvert <br />replacement project in 2021, approximately 450’ of pavement was reconstructed and staff is <br />recommending an improvement of the remaining sections of Ryan Drive to avoid multiple small <br />road segments on different pavement cycles. Project staff also noted that improvements are <br />scheduled for Spruce Street from South Owasso Boulevard to 850’ north in 2023. Upon completion <br />of that project, all streets within the Ryan Industrial Park will have been improved within the last 5 <br />years and the area likely wouldn’t see additional pavement projects for the next 15-20 years. <br />2” Mill and Overlay <br />Project staff, in response to feedback received from the property owners, feel that a reduced <br />pavement rehabilitation scope would be a good faith effort to meet the concerns of the residents <br />while also meeting the needs of the City’s pavement management program. The modified <br />rehabilitation method, a 2” mill and overlay, would salvage a portion of the existing asphalt, reduce <br />pavement-related costs and assessments, and also rehabilitate the portions of Ryan Drive not <br />improved with the box culvert replacement project. This work involves grinding off the top 2” of <br />existing pavement and replacing with 2” of new asphalt pavement. <br />Updated Estimated Project Costs (Ryan Drive) <br />The costs shown below represent the updated street costs associated with the Ryan Drive <br />improvements and include contingencies, engineering, and geotechnical costs. The costs for <br />this project are being financed 100% through Special Assessments to benefitting property <br />owners. <br />Table 1 – Updated Estimated Street & Storm Cost Summary – Ryan Drive <br />Item Estimated Project Cost <br />Original Report <br />Estimated Project Cost <br />Amended <br />Street $220,937 $143,225 <br />Storm Sewer $152,022 $152,022 <br />Total $433,705 295,247 <br />Updated Preliminary Assessment Roll (Ryan Drive) <br />A copy of the updated Preliminary Assessment Roll is included in Appendix A. The street <br />portion of the special assessment reduced by 35% for each property. The net special <br />assessment decrease, with the storm sewer portion of the assessment included, is 21%.