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• <br /> <br />dumped in final position but should be distributed by blading <br />or dozing in a manner to insure that voids, pockets, and <br />bridging are reduced to a minimum. <br />Any noncoal wastes, such as timber and brattice cloth, <br />which are incorporated into the pile should be located near <br />the central portion of the pile, away from the toe or outer <br />slopes of the pile because of their potential for low shear <br />strength and settlement. The amount of such materials incor- <br />porated into the pile should be limited to Limit the potential <br />for settlement of the pile. <br />The surface of the waste pile should always be maintained <br />at a slope of more than 5 percent to prevent ponding of water <br />on the surface and the potential of seeping of the surface run- <br />off into the pile. During winter months, snow should be peri- <br />odically removed from the temporary pile surface prior to <br />placement of the waste material. <br />Inspections by a suitably qualified registered profes- <br />sional engineer will be required during important stages of <br />the site preparation and construction of the pile. The engi- <br />neer should ensure that all construction recommendations are <br />complied with and inspect the pile for any potential hazards <br />or instability. He should prepare a written report subsequent <br />to each inspection and submit it to the mine management and <br />all appropriate regulatory agencies. <br />lde recommend that inspections be made at the following <br />• <br />critical times: <br />o Subsequent to topsoil removal and foundation <br />preparation. <br />o At three month intervals during construction of <br />the pile. , <br />3_' <br />GEONYDRO CONSUl11NG, INC. <br />