03/31/2021 EB Packet - Laserfiche WebLink

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Land Cover Land cover on this site is planted mixed coniferous/deciduous trees with 11-25% impervious cover. Historically, the site would have been aspen -oak land. Wetlands There are no wetlands indicated on site. Flood Plain The site does not fall within flood plain. ANALYSIS Tree Preservation A tree inventory/removal list was submitted. Trees removed are in the basic use area and will not require mitigation trees to be planted. Residential lots require one boulevard tree per frontage. In this case, parcel 1 has existing trees in the right-of-way that will satisfy this requirement. An American basswood (Tilia americana) is proposed for the boulevard tree that will be required for parcel 2. Any trees to be preserved that are near construction activities should be protected with tree protection fence installed at a radius of one foot per inch DBH (diameter at breast height). In this case, trees that could potentially use protection fencing include the spruce on the north perimeter (not included in the survey because they are all less than 12 feet tall), and the row of pines on the east perimeter. Storm Water Management and Erosion and Sediment Control An NPDES permit is not needed for this site as the land disturbance is less than one acre. An erosion control plan has been submitted. The plan shows silt fence for perimeter control and a rock construction entrance. The maximum amount of impervious surface allowed per lot zoned R-1 Residential is 40%. Lot 1 will have 2,797 sq. ft. (11.2%) of impervious surface; Lot 2 will have 3,234 sq. ft. (16.6%) impervious surface. These lots meet the requirement. An infiltration basin is proposed for the south of lot 2. This basin will have 1,158 cubic feet of storage and will mitigate for the increased impervious surface associated with the new home. Overflow from this basin will flow south to a pond/wetland feature. This infiltration basin will be seeded with MnDOT mix 33-261 at the recommended rate of 35 lbs/acre. RECOMMENDATIONS Recommend the approval of the subdivision plan at 7870 Meadow View Trail with the following staff comments and any further comments from the Lino Lakes Environmental Board: