04/14/2021 P&Z Packet - Laserfiche WebLink

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Ms.Katie Larsen 4/72021 Page 2 The applicant is proposing approximately 3,234 square feet of new impervious surface for a proposed driveway and house pad on Lot 2. This is below the 40% maximum impervious surface cover as stated in the City of Lino Lakes Zoning code for R-1, Single Family Residential. The Rice Creek Watershed District stated in the CAPROC for the site that a stormwater BMP is not needed. However, a stormwater BMP is still needed to meet City stormwater requirements because the site is over one (1)acre. The applicant is proposing to meet City stormwater requirements by constructing an infiltration basin in the south corner of Lot 2. The bottom of the infiltration basin is 906.5 and the HWL of the basin is 907.51, which both meet freeboard requirements in Table 6 of the City ordinance. Comments 1. An erosion control plan will be required with the building permit 2. Applicant to show contours extending 100 feet beyond the property lines, per City ordinance. 3. Confirm the Low Entry Elevation and Low Floor Elevation of the existing house. The HWL of the proposed basin must be 2-ft lower than the low entry elevation of all surrounding properties, and the Low Floor Elevation must be equal to or higher than the bottom elevation of the infiltration basin. Low Floor Elevation shall include any basements or crawl spaces. According to city records, the low floor elevation 548 Lois Lane is 908. Please note these elevations in the drainage report. • Water Supply There is existing 8-inch diameter ductile iron pipe (DIP)water main along Lois Lane north of the site. There are three water service stubs extended to the property from Lois Lane— one to the existing house and two to eastern portion of the existing parcel. Both the existing home and proposed home will be required to connect to the City's water system. The applicant is proposing to connect the existing home to the westernmost water service stub and the proposed house to the easternmost water service stub. It is recommended that the additional water service stub is removed in the future when Lois Lane is reconstructed. • Sanitary Sewer There is existing 8-inch diameter poly-vinyl chloride (PVC) sanitary sewer along Lois Lane north of the site. The existing house is connected to the sanitary sewer on Lois Lane. There are two additional sanitary service stubs extended to the property from Lois Lane. The proposed home will be required to connect to the City's sanitary sewer system. The applicant is proposing to connect to the easternmost sanitary service stub along Lois Lane. It is recommended that the additional sanitary service stub is removed in the future when Lois Lane is reconstructed. • Transportation The site is located at the intersection of Meadow View Trail and Lois Lane. Both Meadow View Trail and Lois Lane have 60-ft wide right-of-ways. Meadow View Trail and Lois Lane are local city streets and have capacity to handle the additional traffic from the new lot. Butler Addition Engineering Review