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City of Mounds View Staff Report 4 475-97:Zep Manufacturing March 21, 1997 Page 2 Dimensional Requirements: Required Provided Met? Lot Area: 1 acre 3.94 acres Yes Building Height: 5 45 feet 32 feet Yes Building Setbacks •Front (Coral Sea St.): 40 feet 120 feet Yes • Side (Co. Rd. J): 30 feet 40 feet Yes • Side (interior): 20 feet 150 feet Yes • Rear: 40 feet 210+feet Yes Parking Lot Setbacks •Front (Coral Sea St.): 40 feet 40 feet Yes • Side (Co. Rd. J): 5 feet 60 feet Yes • Side (interior): 5 feet 40 feet Yes Drainage, Wetland Considerations and Wetland Alteration Permit: This lot was platted as part of the Northstar Industrial Park 2nd Addition. At the time of platting, a comprehensive drainage plan was prepared which identified the ponding requirements for Lots 1, 2 and 3. The major wetland along the western boundary of these lots was also delineated at that time. The applicant is proposing a drainage system which coordinates with the earlier plan. A two-stage storm water detention pond will be built in the southwest corner of the lot, to handle the runoff from the site and to improve the quality of the water entering the wetland. The water detention pond is located in the 100-foot buffer area surrounding the wetland. This is a very typical situation, since detention ponds are usually placed close to the wetland to provide filtering of runoff before it reaches the wetland. The ponds will revegetate with native vegetation and are not considered disruptive to the wetland. As part of the review of this application, representatives from both Rice Creek Watershed District and SEH(City Engineer) have walked the site and verified the wetland delineation. During the field check, a small, isolated wetland (approximately 7400 square feet in size) was discovered in the northeast corner of the lot. This wetland was located after the applicant had completed all of their site planning, which shows a portion of the parking lot in the same location. It does not appear on the City's wetland zoning district maps. Because of the small size and isolated nature of the wetland, it is somewhat limited in value. The applicant is proposing to remove this wetland and provide mitigation by expanding their detention pond and reserving some upland buffer area, according to standards set by Rice Creek Watershed District. The Planning Commission agreed that removal and mitigation of this wetland was the most practical approach to the situation, although the final design solution was not available at the time of their review. (The Planning Commission did not feel it was desireable to relocate the building and parking lot further to the south because it would reduce the buffer along the south property line.) They indicated whatever solution was acceptable to RCWD was also acceptable to the Planning Commission. The • applicants have filed a concurrent permit application with RCWD for this project. It will be heard by their board on March 26. RCWD staff will be providing comments and their recommendation