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ARDEN HILLS CITY COUNCIL WORK SESSION - JANUARY 18, 2022 4 Public Works Director/City Engineer Swearingen stated with this approach they are able to maintain several roads to keep the PCI up and to keep the road out of the stage where it needs a full depth reconstruction for quite some time. Full reconstruct typically costs twice as much as mill and overlay and full depth reclamation. Mayor Grant said that the goal of 70 was never really adopted by the Council. That was generally agreed upon with the company that did the PCI ratings. This is the first time they've done this automated system to map out exactly where we are in a very objective fashion, using the software in a vehicle, rather than having staff try and rate the roads. We're trying to get a handle on if we are we behind or gaining as we look at where to spend our budget. Councilmember Radziej said he thought it's a fantastic tool, but wondered if we have another overlay of all of our sewers so that we aren't paving the road and then five years later tearing it all up because a sewer line has aged out. Public Works Director/City Engineer Swearingen responded that there are condition maps for our sanitary and our water main. They also track water main breaks with our GIS mapping so they can see trends where those breaks are occurring, whether it's on the main or if it's on the service connection. The data is tracked to put into these pavement projects. Public Works Director/City Engineer Swearingen said the tentative schedule and planned quantities for the Coon Rapids GPA are due February 4. Bids will be opened with Coon Rapids on March 11. This will be brought to City Council for concurrence on March 28. As soon as the plan is approved and the asphalt plants open they'll start looking at the large area patches and typical pothole patching across the city. Crack sealing is typically done in July, followed by the sealcoat in August. Public Works Director/City Engineer Swearingen stated that using this approach, and following this plan, staff was able to project the PCI from now to 2026. At the end of 2021the PCI jumped and the 2022 PCI is projected after the Snelling Avenue North and the Arden oaks neighborhood projects are complete. You'll see another large jump and that's again due to the fact that those streets are at such low PCI now. Those will jump to 100 PCI. There isn't a PMP plan for 2023, they will do maintenance that year. 2024 will be the recommended three-year cycle for reevaluating the streets with a survey. Mayor Grant asked if when ICON does their projections if they take into consideration that one road has transverse cracks and the next one has alligator cracks? Or is it just your PCI is going to go down at this rate, regardless of the type of deterioration? Public Works Director/City Engineer Swearingen replied that it uses the types of cracks and measuring of the cracks to determine the PCI, and that PCI is entered into a curve so it depreciates through time. The next step will be staff taking pavement cores within the proposed PMP project areas. This will help determine the type of pavement rehab; whether it be a mill and overlay or full depth reclamation. These will then be assessed through geotechnical reports. Along with reviewing the pavement sections they will assess the condition of the water and sewer utilities to determine what repair or improvements are needed. Each year they will continue with annual street maintenance and will revisit it each year to determine what exactly the maintenance strategy is. For the proposed 2024 PMP, a feasibility study will need to be completed to follow state