3A - Conditional Use Permit for Grading up to 50 Cubic Yards within the Lake Setback, Lopez & Hauck

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shoreland impact zone, which means that there are additional performance standards that apply to construction, grading, impervious surface, and screening within the impact zone. Applicable Regulations. The following regulations are applicable to the Conditional Use Permit request: 7.13 Grading. i. General.The following activities must be authorized by permit,except for excavation for permitted structure, drives, sewer systems and parking areas: A. Grading and filling in the shore or bluff impact zone, B. Grading and filling of wetlands, C. Grading in the bed of public waters, D. Any alterations of the natural topography when the slope of the land is toward a public water or watercourse involving the movement of more than 10 cubic yards of material in a bluff or shore impact zone or more than 50 cubic yards of material anywhere else within a shoreland area. E. Any alteration outside of the shoreland area where the amount of grading exceeds 500 cubic yards. 2. Conditions. The following conditions shall apply: A. The smallest amount of bare ground is exposed for as short a time as feasible. B. Four inches of topsoil is placed,temporary ground cover such as mulch is used and permanent ground cover such as sod is planted. C. Methods to prevent erosion and trap sediment are employed. D. Fill is stabilized to acceptable engineering standards and must not create an unstable slope. E. Plans to place fill or excavated material on steep slopes must be reviewed by a qualified professional for continued slope stability and must not create finished slopes of 30%or greater. F. Fill or excavated material must not be placed in bluff impact zones. G. Fill placed in a public water below the ordinary high water line requires a DNR Waters Permit and a Corps of Engineers Permit. H. Excavation in the bed of public waters requires a DNR Waters Permit and a Corps of Engineers Permit. I. Only clean fill consisting of sand,gravel or rock will be allowed where contact with water is anticipated. Mineral soil may be allowed elsewhere. J. Alterations to topography must only be allowed if they are accessory to permitted or conditional uses and do not adversely affect adjacent or nearby properties. Screening(Section 5.8 subd. I): a. Screening. Screening consisting of native trees and shrubs covering a minimum Of 75 percent of the area(leaf on conditions) is required in the shore impact zone, bluff impact zone and wetland setback in order to retain the scenic beauty and rural character as viewed from lakes. To obtain a construction permit in this district, a revegetation plan shall be required for existing properties that do not meet this standard. Impervious Surfaces(Section 5 subd. 6): b. There shall be no impervious coverage within 50 feet of the OHW(ordinary high water level) except walks and steps on grade less than four feet wide as provided for in this Ordinance. City of Pequot Lakes Staff Report 1_2 July 19,2007