08-10-2020 Council Packet - Laserfiche WebLink

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7 driveway be removed and the south driveway access Red Oak Lane upon its extension. The Nadeau’s expressed concerns about removing the north driveway stating personal cars and trucks could not turn left into the garage from the south driveway without backing into the County road right-of-way. Staff agreed to leave the north driveway with the stipulation the south driveway be removed when the southbound turn lane into NorthPointe was constructed. Unfortunately, this south driveway onto CSAH 54 (20th Avenue) still remains. The driveway will need to be relocated to the west upon extension of Red Oak Lane due to its close proximity to the intersection. The applicant has a signed agreement with the property owners to relocate the driveway west and remove 2 trees. The grading plans include the location of the new driveway. Easements Standard drainage and utility easements at least 10 feet wide are provided along all lot lines. Drainage and utility easements are also dedicated over Outlots A and B as required. Standard drainage and utility easements shall be are dedicated over the north lot line (10ft) and west lot line (5ft) of Outlot D. A drainage and utility easement shall be is dedicated over all of Outlot E. A Permanent Drainage & Utility Easement agreement between the Vickers and the City over the storm pipe from Pond 100 to the private ditch has been agreed to. This document shall be has been recorded. Storm Water Management and Erosion and Sediment Control Per the revised March 20, 2020 June 3, 2020 Stormwater Management Plan prepared by Carlson McCain: “The stormwater on the site flows to three different locations from the site. The majority of the site drains to an existing private ditch/wetland area to the north of the site. A small portion at the south of the site drains through an existing culvert along Birch St (CSAH 34). The western portion of the site drains to the northwest to an existing private ditch. The surface water will flow through three new ponds. Pond 200 located in the middle of the site will pick up surface water from the south portion of the site and direct it towards Pond 100. Pond 100 will pick up surface water from the majority of the site and discharge to the west to an existing private ditch. Pond 400 will receive the remaining surface water and discharge to an existing ditch to the north. After the project is completed, the site will include approximately 8.8 acres of new impervious surfaces including the streets, sidewalks, paths, parking lots, and rooftops. Due to poor soils in the south portion of the site and a high groundwater table in the north portion of the site, infiltration is not feasible. The applicant used a HydroCAD model based on the Atlas 14, 24-hour storms to design the storm sewer conveyance system and ponds. The site is designed to reduce site runoff rates for the 2-, 10-, and 100-year rainfall events.”