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go <br /> <br />Explosives - the use and handling of explosives shall be coordinated with <br />the City Police Department. Blasting shall occur only at hours specified by <br />the police department and at no other time. <br /> <br />ho <br /> <br />Dust - operators shall utilize all practical means to reduce the amount of dust <br />caused by the operation. In no case shall the amount of dust or other <br />particulate matter exceed the standards established by the MPCA. No <br />operations shall be allowed when wind gusts exceed 30 MPH. <br /> <br />Water pollution - operators shall comply with all applicable Minnesota <br />Pollution Control Agency regulations and Federal and Environmental <br />Protection Agency regulations for the protection of water quality. No waste <br />products or process residue, including untreated wash water, shall be <br />deposited in any lake, or natural drainage system, except that lakes or ponds <br />wholly contained within the extraction site may be so utilized. <br /> <br />Top soil preservation - all top soil shall be retained at the work site until <br />complete rehabilitation of the work site has taken place according to the <br />rehabilitation plan. <br /> <br />Designated haul routes shall be maintained by the operator in accordance <br />with Minnesota Department of Transportation's Specification 2051.4 as <br />found in the Minnesota Department of Transportation Standard <br />Specifications for Construction 1983 Edition. <br /> <br /> Subd. 9. Dangerous Operations. The operators shall change, alter or <br />modify immediately any excavation or operation therein deemed by the Council to be unsanitary <br />or dangerous or polluted or contrary to the general health and welfare of the community. <br /> <br /> Subd. 10. Designation of Haul Roads and Traffic Law Compliance. <br />Material of the kinds and for the purposes described herein shall not be hauled from any source <br />until the haul road from that source has been officially designated as a haul road and all materials <br />hauled fi'om the source shall be hauled over that road. <br /> <br />The operator shall select a haul road (or roads) over which it is proposed to haul the materials, as <br />previously described, and notify the City Engineer as to the road (or roads) so selected. Within <br />fifteen (15) calendar days after being notified of the haul road selection, the City Engineer will, if <br />the road (or roads) so selected are a practicable route, approve that road as a designated haul <br />road. <br /> <br />After a haul road has been officially designated, the operator may select a different road for <br />official designation under the same conditions as previously stated. However, any changes made <br />in haul road designation shall not relieve the operator of their obligation of restoring the <br />previously designated haul road if any of the above described materials were hauled over that <br />road. <br /> <br />While hauling operations are in progress, the operator shall maintain the haul road in a condition <br />satisfactory to the City Engineer. This work shall include application of water, bituminous <br />material, or calcium chloride to the road surface as may be necessary to alleviate dust nuisance <br /> <br />22 <br /> <br /> <br />