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City of Arden Hills City Council Meeting for September 28, 2020 P:\Planning\Planning Cases\2020\20-010 4200 Round Lake Road PP PUD\CC Packets Page 8 of 9 would need to provide one (1) for each employee on shift plus one (1) for each vehicle used in conducting the business or one (1) for each 1,000 sq. ft. of floor area, whichever is greater. The Applicant is proposing a floor area of 212,500 square feet and would require 212 parking stalls. The Site Plan depicts 364 parking spaces and the proposed uses require 362 stalls. In the event additional parking is required to meet the demands of the future tenant the Applicant is proposing 230 proof of parking stalls located in the northwest sections of the site as shown below. This would bring the total parking onsite to 593 parking stalls. If the proof of parking stalls are needed the Applicant will need to construct an underground retention area in the same area to replace the existing stormwater pond. D. Minimum Caliper Inches – Flexibility Requested Tree mitigation is not required as the current site has no trees deemed significant per City Code. The Zoning Code requires that a minimum number of caliper inches of trees be provided based on the gross square footage of the building on the property. A single story building in excess of thirty (30) feet in height shall be considered a two-story building for the purposes of determining gross square footage. The proposed building would be considered a two-stories, and includes 499,552 gross square feet. This requires a minimum of 1,561 caliper inches or 624 two (2) caliper trees. The proposed site is limited to where trees can be planted onsite due the wetlands and overhead power lines. In response the Applicant is proposing 310 caliper inches or 110 trees. The proposed landscape plan includes a variety of tree species, including maples, oaks and evergreens, ranging in size from two and half (2.5) to six (6) caliper inches. This is consistent with ordinance requirements. The Applicant is proposing to plant six (6) to twelve (12) foot tall evergreens. E. Landscaped Area and Perennials and Shrubberies – Flexibility Requested Zoning Code requires 35 percent of the site to be landscaped or 339,674 square feet. The landscaping plan shows that the total landscaped area provided on the site is 652,668 square feet. The Zoning Code requires a minimum of 10 percent of the total landscaped area to be covered with perennials and/or shrubbery. The total landscaped area on the site is 652,668 square feet, resulting in the need for a minimum of 65,266 square feet of perennial and shrubbery cover. The Applicant is proposing 2,888 square feet perennial and shrub planting beds. However, the Applicant is proposing to use over 170,000 square feet of Mesic Prairie seed mix onsite. Mesic Prairie is a prairie plant community dominated by native grasses such as big bluestem, switchgrasses and including abundant wildflowers. F. Traffic Study A traffic study was required and was completed by Kimley-Horn and Associates. The anticipated trip generation during AM peak is 80 vehicles in and out of the site. The 80 vehicles includes eight (8) warehouse related vehicles and 72 passenger vehicles. The PM peak is 83 vehicles in and out of the site. The 80 vehicles includes eight (8) warehouse related vehicles and 75 passenger vehicles. The proposed trip generation is fairly low based on the proposed use of 85 percent warehouse and 15 percent office space. The traffic study only had one recommended improvement. The recommendation requests Ramsey County to add five (5) seconds to the signal timing for Round Lake Road and Hwy 96 to allow for more northbound left turns during the PM peak hour.