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City of Arden Hills <br />Project B2502087 <br />June 13, 2025 <br />Page 2 <br />Table 1 provides additional project specific details related to the 2026 PMP project. <br />Table 1. Project Description for 2026 Street Rehabilitation <br />Project Component Description Source <br />Pavement type Bituminous City / Bolton & Menk, Inc. (BMI) <br />Pavement rehabilitation <br />method <br />▪Mill and Overlay (M&O) <br />▪Full-Depth Reclamation (FDR)City / BMI <br />Pavement loads* <br />Karth Lake Neighborhood: Less than <br />150,000 Bituminous ESALs (BESALs) Assumed <br />Cummings Park Drive: Less than 250,000 <br />BESALs <br />Assumed based on on-site observations <br />at time of drilling and based on vehicle <br />traffic being mainly Boston Scientific <br />employees (passenger car vehicles <br />driving through the road corridor). <br />Utilities Spot utility repairs, up to 10 feet below <br />grade Assumed <br />Cummings Park Trail <br />FDR where bituminous and aggregate <br />exist. Where aggregate exists only, <br />tolerancing and paving over. <br />BMI <br />Grade changes Street grades will be within 1 foot of <br />existing. Assumed <br />*Equivalent 18,000-lb single axle loads based on 20-year design. <br />We have described our understanding of the proposed construction and site to the extent others reported <br />it to us. Depending on the extent of available information, we may have made assumptions based on our <br />experience with similar projects. If we have not correctly recorded or interpreted the project details, the <br />project team should notify us. New or changed information could require additional evaluation, analyses <br />and/or recommendations. <br />A.2. Site Conditions <br />Currently, the project site exists as a residential neighborhood and a business entrance (Cummings Park <br />Drive). The area is bounded by County Road 96 West to the north, Hamline Avenue North to the west, <br />Boston Scientific to the south and Lexington Avenue North to the east. <br />Current grades range from elevations of about 954.8 feet at Boring ST-14 to about 1007.4 feet at Boring <br />ST-18. The project area generally contains hummocky topography, and regionally slopes downward from <br />the northeast to the southwest near Karth Lake.