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STAFF REPORT DATE: February 18, 2025 REGULAR AGENDA ITEM: Approve Preliminary Design Findings and Recommendations and Authorize Final Design for the 2025 Street and Utility Improvements SUBMITTED BY: Nate Stanley, City Engineer REVIEWED BY: Nicole Miller, City Administrator Clarissa Handler, Finance Director Marty Powers, Public Works Director Chad Isakson, Assistant City Engineer ISSUE BEFORE COUNCIL: Should the City Council approve the preliminary design findings and recommendations and authorize final design for the 2025 Street and Utility Improvements? It is necessary to get direction from the Council on the scope of work to complete final design, specifically as it relates to the neighborhoods drinking water could be extended to. BACKGROUND: The City Council authorized preliminary design and a geotechnical investigation for the 2025 Street and Utility Improvements project on September 17, 2024. Preliminary design included evaluation of the type of street improvement technique could be used based on existing pavement sections along with feasibility and costs to extend City water to three neighborhoods. PROPOSAL DETAILS/ANALYSIS: The 2025 Street Improvements project includes the streets listed below. Areas that were evaluated for extending drinking water are indicated in blue. • 59th Street Court North, from Keats Avenue to the west loop (Prairie Hamlet – water candidate) • 55th Street North, from Keats Avenue to the west cul-de-sac (Lake Elmo Vista – water candidate) • Irish Court North, from Lake Jane Trail to south end cul-de-sac (water candidate) • 55th Street North, from 57th Street to the north cul-de-sac (Judith Mary Manor); 57th Street North, from 55th Street to Julep Way (Rolling Hills Estates); Julep Way North, from 57th Street to the south cul-de-sac (Lake Elmo Vista) • Jasper Avenue North, from Jane Road to the north cul-de-sac, 49th Street North, from Jasper Avenue to Jerome Avenue, and Jerome Avenue North, from 49th Street to the east cul-de-sac (Teal Pass Estates) There is no existing sanitary sewer or public watermain along any of the existing streets and all areas reside outside of the City’s planned MUSA boundaries. Therefore, no sanitary sewer extensions are planned with this Project. Preliminary design recommendations and project cost information by area are shown below. 59th Street Court North: Preliminary Design Findings • Geotechnical Investigation supports the reclamation of the existing roadway if watermain is not extended. o An extension of the existing storm sewer system is recommended. o Existing and proposed roadway is 24-feet wide (face of curb to face of curb). o Barrier concrete curb (high back) is recommended along the length of the road.