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<br />I <br /> to 12-inch DIP in the south. It is proposed to reconstruct the Hamline Avenue service road to a <br /> 26-foot width with B618 concrete curb and gutter as shown in Exhibit 3. A turnaround should <br /> be constructed at the north end of the street; however, this matter requires further investigation <br /> because the steep highway embankment and the existing right-of-way do not allow for the <br />I construction of standard turnarounds. A sand subcut and draintile would be installed as dictated <br /> by the subsurface soil conditions. Additional right-of-way may also be necessary to provide for <br /> snow storage, Storm sewer improvements would be limited to the installation of two to four catch <br />I basins and approximately 100 feet of pipe. Stormwater runoff would be directed to the TH 51 <br /> right -of-way, which will require a Stormwater Discharge Permit from the Minnesota Department <br />I of Transportation. <br /> The sanitary sewer on the Hamline Avenue service road has a history of odor problems; however, <br />I these do not appear to be related to the existing sewer main, The City should consider making <br /> any repairs to the sanitary sewer during construction, in order to limit the disruption to the <br /> surrounding community. <br />I The City may also want to consider the possibility of extending the service road north across the <br /> railroad tracks and connecting to the existing paved road running south from Bethel Drive. This <br />I extension would most likely be constructed as an emergency access route, open only to emergency <br /> vehicles. If this is desired, it would be necessary to obtain a permit from the Soo Line Railroad, <br /> and to work closely with their representatives to coordinate the improvement. <br />I. Snelling Avenue <br />I The Snelling Avenue service road extends north from Arden Place to the east of Snelling Avenue, <br /> and ends in a cul-de-sac approximately 20 feet south of County Road E. It is approximately 850 <br />I feet long and 20 feet wide, with a 60 foot diameter cul-de-sac. It provides the only means of <br /> access to seven homes and Schmidt Park, which is located between Snelling A venue and the <br /> service road. The service road received a PCI rating of 35 in 1995. The bituminous pavement <br />I surface has extensive amounts of moderate and high severity alligator cracking. There is no curb <br /> and gutter or storm sewer. Sanitary sewer service is provided by separate 8-inch sewers, with <br /> the northern properties being served from County Road E and the southern properties being <br />I served from the south. There is also an 8-inch watermain which, according to city records, lies <br /> within the street right-of-way in the south but in the north it is located outside of public right-of- <br /> way within the park (City-owned property). It is proposed to reconstruct the Snelling Avenue <br />I service road to a 26 foot width with B618 curb and gutter as shown in Exhibit 3. The cul-de-sac <br /> would be reconstructed to approximately its current dimensions due to the lack of available right- <br />I of-way, City standards for new construction require a larger diameter cul-de-sac, but an exception <br /> may be granted for reconstruction of existing streets, based upon the nature of the street and the <br /> area it serves. Storm sewer improvements would include the installation of four catch basins and <br />I approximately 400 linear feet of IS-inch RCP. Runoff would be directed to the storm sewer on <br /> County Road E and to the ditch south of Arden Place, No sanitary sewer or watermain <br /> improvements are anticipated. However, depending on future plans for the park, the City may <br />" want to install sewer and water services to the park. <br />I -9- <br /> FEAS-520.080 520-080-10 <br />