Agenda - Council - 03/28/2023 - Laserfiche WebLink

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CC Regular Session 5.9. Meeting Date: 03/28/2023 Submitted For: Joe Feriancek, Engineering/Public Works By: Joe Feriancek, Engineering/Public Works Information Title Adopt Resolution #23-064 Approving Plans and Specifications and Authorizing Advertisement for Bids for Improvement Project #23-07, 2023 Neighborhood Pavement Overlay Improvements Purpose/Background: Purpose: The purpose of this case is to adopt Resolution #23-064 approving plans and specifications and authorizing advertisement for bids for Improvement Project #23-07, 2023 Neighborhood Pavement Overlay Improvements. Background: City Improvement Project #23-07 proposes to overlay the streets within the Alpine Meadows, Highlands at River Park, Highlands at River Park 2nd, Highlands at River Park 3rd, and Highlands at River Park 4th subdivisions. The streets total approximately 9,658 lineal feet (1.83 miles) in length, and are 32-feet wide urban sections. A street segment summary is attached to this case for reference. Project History • 2022 — 2031 Capital Improvement Program — listed as street overlay for 2023 . Resolution #22-250, adopted November 7, 2022; City Council awarded a proposal to Bolton & Menk, Inc. for topographic survey of the project area. . November 15, 2022; Public Works Committee gave recommendation for City Council authorization to prepare plans and specifications for the improvement project. • Resolution #22-288; City Council ordered the City Engineer to prepare plans and specifications for the improvement project. Pavement History The streets within the subdivisions were built between 2002 and 2004. Pavement maintenance has included 2 crack seal /seal coat improvements, Alpine Meadows received an additional crack seal improvement. 2021 PASER values were between 6 and 8 for the street segments. Ground Penetrating Radar (GPR) was performed on some of the street segments within the project area, and are summarized in the street segment summary. Proposed Improvements Based on Staff review of the existing pavement conditions, mill and overlay improvements to the existing pavement is appropriate. The proposed mill and overlay depths will vary between I and 2 inches, dependent upon existing pavement thicknesses. Staff review found the existing pedestrian ramps within the project area did not meet current ADA requirements, therefore all pedestrian ramps within the project area will need to be removed and replaced. The concrete curb and gutter in the project area were found to generally be in good condition, and only spot repairs are proposed. Minor repairs to the existing storm sewer structures are proposed with this project, the majority of which are grouting the existing adjustment rings and pipe inverts. Some storm sewers catch basins will require resetting due to settling. Build Process