Agenda - Council - 12/10/2024 - Laserfiche WebLink

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bituminous over 2.2-inches aggregate base (6.4-inch total section), the typical full -depth reclamation (FDR) process cannot be used to meet pavement strength design requirements. Staff is proposing to place 4-inches of new bituminous over 6-inches aggregate base. This will be achieved by removing the existing pavement and aggregate base, removing an additional 4-inches of subbase material, and placing 6-inches of new aggregate base and 4-inches of new bituminous pavement. Ideally the new aggregate base will be made of recycled reclamation material, but to allow for the best bidding environment, the project will not require it. The existing concrete curb and gutter is proposed to remain in -place with spot replacements. Per the ADA Transition Plan, existing pedestrian ramps will be updated to current ADA standards. There are 10 such pedestrian ramps within the project area. Replacing the pedestrian ramps will also result in three concrete valley gutters being replaced. Review of the geotechnical report found clean sands, ideal for both utility and pavement support within the project area. Additionally, groundwater is not anticipated to be a concern for the street reconstruction. Improvements to the existing municipal utilities are not anticipated other than a minor improvement to a watermain gate valve identified by the City Utilities Department. Additional Permitting Sunwood Drive is an MSA street, which requires review and approval by the MnDOT MSA department prior to bidding the project. Plans have been submitted to MnDOT without revisions anticipated. Because the project goes up to the Anoka County right-of-way, and will require temporary signage within said right-of-way, an Anoka County Highway Department Right -of -Way Permit will be required. No other permits are anticipated. Preliminary Schedule Remaining • City Council approves plans and specifications / authorizes ads for bids o December 10, 2024 • Public Open House o December 11, 2024 • Staff receives bids o January 13, 2025 • City Council awards contract to the lowest Responsible Contractor o January 28, 2025 • Contractor begins construction o Spring / Summer 2025 • Contractor substantially completes construction o New bituminous pavement in -place, topsoil and seed in -place o August 2, 2025 • Contractor final completion o Verify final restoration; punch list created o August 30, 2025 Bid Opening Staff proposes to open bids on January 13, 2025, and to present the bid results to the City Council on January 28, 2025, for award of a construction contract to the lowest responsible bidder. Final plans are not attached to this case to prevent potential bidders from downloading plans attached to the case to prepare and submit their bids, rather than purchasing the plans through QuestCDN, the electronic bidding software used by the City of Ramsey. This ensures all bidders are bidding off the same set of plans, and all bidders are notified of any plan revisions (addenda) issued during the bidding process. Attached is the title sheet showing the scope of the improvements, as well as a plan sheet showing the typical sections, which includes information on the proposed pavement section. Plans are available upon request from the City Engineer. Notification: