07/30/2003 Env Bd Packet - Laserfiche WebLink

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• Agenda Item 5C • Environmental Board Meeting Date: July 30, 2003 Topic: Marshan Lake Industrial Park, Panattonni Site, Preliminary Plat and Site Plan Review Background: This application is a proposal to build a 265,524 sq. ft. warehousing and office building. See site location map (attachment 1). Application Information included as Attachment 2. Natural resource map is included as attachment 3. Tanda Gretz has tabulated some of the statistical information concerning parking, lighting, and Impervious. Please see Exhibit A. Existing tree inventory is included as attachment 4. Panattonni National Wetlands Inventory is included as Attachment 5. Soils for this site is included as Attachment 6. Resource Protection Zones included as Attachment 7. Analysis: The Environmental Board has reviewed the EAW for this site. A rare plant inventory for this site was indicated from the County Biologic Survey. The reason for this inventory goes back to soil relationships that we have focused on because of findings in our MLCCS. Please refer to Attachment 6. Lance -leaf violet is found at the flag location on the map. Notice the Iw soil inclusion similarities, between the school site and the business site. This inventory is complete. There were no rare species found on the site. Resource protection zone considerations from the Lino lakes Handbook for Conservation Development are mapped on Attachment 7. Since the site is in a Lake Protection Zone, more care than normal should be taken to ensure that minimal changes occur to lake inputs. A phosphorus model should be run to ensure that there are no additional inputs to Marshan Lake from this area. Surface water issues are under review with Rice Creek Watershed. The proposed development impervious is less than the maximum pervious allowed. See Exhibit A. Exhibit shows parking minimums have not been achieved. The developer is proposing to use NETLAWN on the North side of the building for an emergency access road. Wetlands are indicated on the South side of Business Park (Attachment 5). Proposed ponding /infiltration areas appear to have enough separation between the seasonally high ground water table and the bottom of the pond (ground water concerns). Attachment 7 shows the "Protected Zone" along the creek as well as the ditch running north and south through the site. This ditch was created many years ago. The developer is proposing to remove this ditch and convey water to a treatment system. The project proposal includes a buffer of 50 on both sides of the creek, See Attachments 3 and 5. The Tree Inventory (Attachment 4) indicates a number of trees along the ditch to the creek and along the creek. There is no indication of tree removals on the plan. This is not the case so the developer should indicate intentions after consulting with a tree professional.