05-27-1997 Council Packet - Laserfiche WebLink

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4. B. LAND & VEGETATION ALTERATIONS IN BLUFF IMPACT ZONE. All areas to be disturbed within defined bluff impact zones shall be subject to: i. Adherence to the revised grading and vegetation removal plans attached hereto as Exhibit B-12. ii. Use of Best Management Practices for erosion control during construction, including but not limited to use of silt fencing and erosion control blankets where slopes exceed 3:1. iii. Any retaining walls exceeding 4* in height must have an engineered design, which shall be approved prior to issuance of the site grading permit. C. WETLAND ALTERATIONS. Wetland alterations are approved as shown in attached Exhibits B6 through B-12, subject to the required buffer widths as shown in said Exhibit, and subject to the following conditions: i. Use of Best Management Practices for erosion control during construction. ii. Wetland mitigation is subject to approval of the Minnehaha Creek Watershed District as Orono's LGU for administration of the Wetland Conservation Act. iii. Wetland alterations are also subject to Corps of Engineers Section 404 Clean Water Act requirements. iv. Conservation and Flowage Easements shall be granted to the City over all City-protected wetlands (as modified). FOREST IMPACT MINIMIZATION. Minimization of impacts to the Big Woods portion of the property, as well as to other forested areas of the property, shall adhere to the following general requirements: A. Wetland buffers shall be maximized to the greatest extent possible in forest areas to protect the wildlife habitat value of the site and maintain the connectivity between the wetland and forest communities. B. Runoff or accidental application of fertilizers to forest and wetland areas shall be avoided. Final landscaping and grading plans shall be designed to divert runoff from these areas to the stormwater treatment ponds. Page 9 of 16