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4 <br /> <br />10. <br /> <br />11. <br /> <br />12. <br /> <br />13. <br /> <br />14. <br /> <br />15. <br /> <br />Grading operations shall be conducted in such a manner to minimize interference with the <br />surface water drainage outside the boundaries of the operation. <br /> <br />Fencing may be ordered by the City Council or City Engineer anytime the permit is in force <br />and shall be installed within 24 hours of written notice. <br /> <br />Ail access roads to and from the Subject Property, shall be maintained in order to minimize <br />dust. <br /> <br />The maximum slope other than the working face shall be sloped on ail sides no steeper than <br />a rate of 2 foot horizontal to 1 foot vertical. In no case shall the slope of the working face <br />be left unattended with a slope greater than 2 feet horizontal to 1 foot vertical. When <br />mining operations are anticipated to be discontinued for an interval greater than one <br />working day, the slopes shall be flattened to a grade no steeper than 4 feet horizontal to 1 <br />foot vertical, <br /> <br />Prior to commencing any grading operations, a cash escrow or letter of credit approved as <br />to form by the City in the amount of Five Thousand Dollars and no cents ($5,000.00) shall <br />be deposited with the City. This f'mancial guarantee may be used by the City to pay for the <br />cost and expense of repairing any public right of ways or regrading and stabilizing eroded <br />areas due tO the grading operation, pay for any cost associated in administering the <br />requirements of this Chapter of the City Code, and to pay for any restoration of the <br />worksite not properly restored upon completion. <br /> <br />The Permit Holder shall implement sediment and erosion control practices. No grading <br />activity shall occur within twenty-five (25) feet of a property line unless silt fence is placed <br />along the property line to prevent sediment from washing onto the adjoining property. Any <br />erosion which causes gullies of greater than one (1) foot within twenty-five (25) feet of a <br />property line shall be regraded within forty-eight (48) hours of the precipitation event that <br />caused the erosion. <br /> <br />There shall be no stockpiling of graded materials, other than the topsoil on a temporary <br />basis, allowed within the boundaries of the Subject Property. Topsoil stockpiles shall not <br />exceed 900 cubic yards in total nor six (6) feet in height. <br /> <br />The permit holder shall file with the City a liability insurance policy or certificate of such <br />insurance acceptable to the City and issued by an insurance company authorized to do <br />business in the State of Minnesota. <br /> <br />a. The policy shall insure the permit holder for the sum of at least $300,000 for injury to <br /> one perV, on and $500,000 for one accident, and at least $I,100,000 property damage. <br /> <br />be <br /> <br />Said policy shall be for the full period of the permit and shall provide for the giving of <br />10 days prior notice to the City by registered mail of termination, cancellation or <br />amendment of the policy. <br /> <br />In the event said policy is terminated for any reason, the permit shall be automatically <br />suspended upon the day the policy terminates unless a new policy complying with this <br />item is obtained and Filed with the City prior to the termination of the policy in force. <br /> <br />The maximum noise level at the perimeter of the worksite shall be within the limits set by <br />the Minnesota Pollution Control Agency and the Environmental Protection Agency of the <br />United States. <br /> <br /> <br />