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We understand the street project areas include Karth Lake Drive from the west cul-de-sac to Pleasant Drive, Pleasant Drive from Amble Drive to the north cul-de-sac, Pleasant Circle from the west cul-de-sac to Lexington Avenue (CSAH 51), Amble Drive from Karth Lake Drive to Lexington Avenue, Amble Circle from Amble Drive to the north cul-de-sac, Karth Lake Circle from Hamline Avenue (CSAH 50) to the south cul-de-sac, and Cummings Park Drive from the west cul-de-sac to Lexington Avenue. The trail project area includes select trail segments on the east side of Cummings Park, connecting to the Lexington Avenue trail. The major project elements are anticipated to include roadway rehabilitation, select trail improvements, select storm structure replacements, select watermain replacements, select sanitary sewer rehabilitations, sediment removal at lake outlet locations, and ancillary improvements. The street project areas do not include any parallel sidewalks or trails, except for a trail along the south side of Cummings Park Drive. Based on city field notes, we understand that ADA improvements will only be implemented at two pedestrian ramp locations on the west end of Cummings Park Drive. The 2026 PMP Street and Utility Improvements project is identified within the City of Arden Hills’ current Capital Improvement Plan for construction in 2026. The project area is generally bound by Hamline Avenue to the west, Lexington Avenue to the east, County Road 96 W to the north, and County Road F to the south. The project area topography generally slopes towards Karth Lake. The project area is primarily residential with a park area separating the residential properties from the industrial properties surrounding Cummings Park Drive. The project areas were originally constructed as part of five platted developments identified in the RFP as having been completed primarily between 1977 and 1979 except for the Boston Scientific campus, which was re- platted in 2015. The project area includes approximately 132 properties adjacent to the street improvements. During development, the public utilities were constructed with polyvinyl chloride (PVC) sanitary sewer, ductile iron pipe (DIP) watermain, DIP sanitary forcemain, and reinforced concrete pipe (RCP) storm sewer. Karth Lake also includes a more recent installation of an outlet pump to manage the lake levels. Grit chambers were also added to some storm sewer outlet locations to capture sediment prior to getting to the lake. City staff indicated all record drawings are available for the project area. Since the infrastructure’s initial construction, city pavement management records indicate the most recent structural pavement improvement projects include: • Amble Drive – 1994 Reconstruction • Amble Circle, Karth Lake Drive, Pleasant Drive (between the north and south cul-de-sacs), and Pleasant Circle – 2003 Mill & Overlay • Cummings Park Drive and Pleasant Drive (from Amble Drive to the south cul-de-sac) – 2003 Reconstruction • Karth Lake Circle – 2007 Reclamation We have reviewed in detail the full request for proposals (RFP), proposed project improvements maps, storm sewer field inspection notes, watermain field inspection notes, and sanitary televising notes. Additionally, we have conducted our own field site visits to better understand the project area and identify potential unique project considerations. PROJECT UNDERSTANDING SUSTAINABLE SOLUTION ECONOMICALLY V I A B L E TECHNICALLY F E A S I B L E E N V I R O N M E N TALLY COMPATIBLE P U B L I C LY ACCEPTABLE 3 2026 PMP STREET AND UTILITY IMPROVEMENTS | CITY OF ARDEN HILLSProject Understanding EXHIBIT A