11-01-2021 Council Packet - Laserfiche WebLink

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6 A minimum 75 foot wide vegetated wetland buffer along Wetland A (lake) equivalent to the shore impact zone area is provided as a stormwater management best management practice (BMP) to minimize runoff pollutants from entering the lake. This is supported by City Code Section 1102.07(1)(c)3c. The City Engineer comments that more information is needed to determine low floor separation, basins shall be on the same lot as they are treating, and filtration basins are not allowed in the Drinking Water Supply Management Area. These items have been resolved. Per City Code Section 1102.07(2)(a), structures and facilities must be located to meet all setbacks. Stormwater facilities are not allowed within the 150ft OHWL setback, 40 ft CSAH 54 setback or 10 ft side yard building setbacks. The basin on Lot 1 shall be outside the 40 ft setback along CSAH 54. Utilities Sanitary Sewer Public sanitary sewer is not available to the site. Private septic systems will be required for each parcel. The plans show a primary and alternate site location per lot and corresponding soil boring data was provided. Standard mound systems are proposed for Lot 1 and Lot 2. Type 3 septic systems are proposed for Lot 3 and Lot 4. Per City Code Section 1102.12(2) of the Shoreland Management Overlay district, lots that would require use of holding tanks shall not be approved. Private septic systems cannot be located with the 150 ft shoreland setback. These requirements are met. Watermain Public watermain is not available to the site. Private wells will be required for each parcel. Well locations are shown on the preliminary plat and placed in relationship to the individual sewage disposal facilities on the same and adjoining lots. The applicant has demonstrated that each lot can accommodate a private well. Public Land Dedication Per the City’s 2040 Comprehensive Plan and Anoka County Chain of Lakes-Otter Lake Regional Trail Master Plan, a regional trail is proposed on the east side of Amelia Lake. The proposed trail extends from CSAH 14 (Main Street) through the City’s future recreational facility on Birch Street then south along 20th Avenue. A separate trail easement 20 ft wide along CSAH 54 and 44 ft wide along the south lot line of 6351 20th Avenue shall be recorded. The 44 ft wide easement covers both the 24 ft private driveway easement and 20 ft trail easement. The applicant shall prepare a separate trail easement document and exhibit clearly showing the trail easement location. This easement shall be recorded. The City will require cash in lieu of land dedication for each new lot.