Agenda - Council - 03/26/2024 - Laserfiche WebLink

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plans and specifications and authorizing advertisement for bids. On January 23, 2024, the Ramsey City Council adopted Resolution#24-043, approving plans and specifications and authorizing advertisement for bids. On this same date Resolution#24-030 was adopted,prohibiting parking on Alpine Drive between Armstrong Boulevard and Puma Street, as required for MSA approvals. Pavement History • 1977 Construction • 1981 & 1989 Crack Seal/Seal Coat •2002 Mill& Overlay •2007 &2017 Crack Seal/Seal Coat •2023 PASER Value of 3 •Ground Penetrating Radar Results 0 4.8-inch HMA average thickness 0 4.2-inch aggregate base average thickness 0 9.0-inch average section thickness Proposed Improvements This project proposes to reconstruct Alpine Drive between Puma Street and 400 feet west of Armstrong Boulevard(CSAH 83). On the east end this ties into the new pavement section built by Anoka County in 2023 as part of the Armstrong Boulevard and Alpine Drive roundabout project. City trunk watermain was also extended to the west side of Armstrong Boulevard as part of the roundabout project,to avoid future impacts. Watermain exist on the west end of the project area, sanitary sewer also exists near the west end of the proposed project area. The subdivisions on both sides of Alpine Drive are not within the MUSA. Sanitary sewer is not proposed to be extended,however trunk watermain is proposed to be extended between Armstrong Boulevard and Puma Street. This is a critical trunk watermain loop connection as all water west of Armstrong Boulevard,north of 147th Avenue are currently served from one trunk line. This is also identified in the 2040 Comprehensive Plan Water Plan. During design,the majority of concrete curb and gutter was found to be in good condition,however on the east block of the project all concrete curb and gutter is proposed to be replaced. The watermain construction will be via directional drilling, which will allow for spot concrete curb and gutter replacements on the rest of the project. Alpine Drive is a Municipal State Aid(MSA) street and must comply with State Aid design requirements. MSA design requires a 10-ton pavement strength design. This is proposed to be achieved using a 5-inch thick stabilized full-depth reclamation(SFDR)under 4-inches of new bituminous pavement. An existing bituminous trail runs in the boulevard along the north side of Alpine Drive throughout the entire project area. In general,this project does not propose any improvements to the trail,which has existing pedestrian ramps, generally compliant with current ADA requirements. During design Staff found drainage issues at two side streets, Iguana Street and Kangaroo Street. Drainage improvements will require replacing the concrete curb and gutter around the radii to the side streets, and result in three pedestrian ramps being replaced as well. Stormwater runoff along Alpine Drive is handled by carrying water in the curb and gutter to the adjacent neighborhood streets and associated drainage swales, eventually carrying runoff to existing low areas within drainage and utility easements.No additional improvement to the storm sewer system, such as adding curb inlets, are anticipated. Preliminary Schedule Remaining •Council awards contract to the lowest responsible bidder o March 26, 2024 •Contractor begins construction o On or around May 1, 2024 (dependent on contractor's schedule) • Substantial completion