11-08-2021 Council Packet - Laserfiche WebLink

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Mill and Overlay (approximately 1.5 miles) – West Shadow Lake Drive (from Birch Street to Fox Road), Painted Turtle Road (from West Shadow Lake Drive to Hawthorn Road), Hawthorn Road, Hickory Place, Ironwood Circle, River Birch Place (West Shadow Lake Drive east to the cul-de- sac), White Owl Drive, Fox Circle, and Fox Road (West Shadow Lake Drive west to the cul-de- sac). Including water system repairs. In October of 2021, the City completed a water service condition evaluation in the neighborhoods planned for mill and overlay. The City evaluated eight services to determine if they were a saddled or tapped service, and if saddled, what the condition was. One of the services was found to be tapped and one of the services was in poor to failing condition. The other six services were found to have an estimated life of 20 or more years. The City would expect the roadways to last approximately 20 more years before reconstruction is required. There are also 6-inch diameter water lines and associated service saddle connections in this neighborhood that should be considered for up sizing to 8-inch when a full reconstruction is completed. Staff evaluated the cost to replace the 138 services in the project area which also requires additional roadway work. The roadway would need to be a full depth removal verses a mill and overlay. This option added $1.3 million to the project costs. The city’s finance, public works and community development staff evaluated the risk verses cost and benefits and determined it would be most cost effective to only replace approximately 12 services in the area where the failing saddle was found. This area also shows a varying soil condition. We will also build in to the project an additional 6 replacement services. This is in the event a service saddle fails due to the road compaction during construction. With the project, all gate valves that have not been previously repaired will be replaced. Hydrant gate valve bolts will be replaced. Thin Overlay (approximately 3.2 miles) – Rondeau Lake Road W (from Main Street to the northern city limits), 81st Street W (from Rondeau Lake Road W to the cul-de-sac), and Rondeau Lake Road E (from Main Street to the northern city limits). Thin overlays are planned to address Problem roadways in need of reconstruction that the City cannot fund in the short term. This portion of the project will be bid as an alternate to maintain project flexibility. WSB & Associates has submitted a proposal to complete the plans and specifications, and provide bid documents for the 2022 Street Rehabilitation Project for a total not to exceed the amount of $64,416. The estimated total project cost is $1,622,000. Funding for the project is expected to be from the Pavement Management Fund, Water Operating Fund, and Municipal State Aid Fund. Final funding sources and amounts will be determined upon completion of design.