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Page 4 <br /> <br />(10) <br /> <br />(11) <br /> <br />(12) <br /> <br />Traffic <br /> <br />ao <br /> <br />bo <br /> <br />Except for localized jobs, traffic through Elk River <br />associated with this Operation shall be limited to 221st <br />Avenue to U.S. Highway 10 and 169. <br /> <br />Minimum four feet high berms shall be maintained <br />adjacent'to US Trunk Highway 169 and 221st Avenue <br />until time of final reclamation. <br /> <br />Dust Control <br /> <br />ao <br /> <br />bo <br /> <br />A permit from MPCA regarding air emissions shall be <br />obtained when required and particulate emission <br />standards shall be met by the Operation. <br /> <br />Co <br /> <br />All equipment shall be located as to reduce dust to <br />adjacent properties. <br /> <br />do <br /> <br />Water, but no chemical agents, shall be used to <br />control dust when necessary. <br /> <br />The City reserves the right to require additional <br />measures to be taken, if warranted by dust problems, <br />including but not limited to reducing stock pile <br />heights." <br /> <br />Hours of Operation <br /> <br />All mineral excavation, processing, and sales activities shall <br />be conducted between the normal hours of 7:00 a.m. and <br />7:00 p.m., Monday through Saturday, except the hours for <br />the hot-mix asphalt plant may be extended by the Building <br />and Zoning Administrator for special cases. <br /> <br />(13) Noise <br /> <br />As deemed necessary by city staff, noise from <br />screening and crushing associated with this Operation <br />shall be controlled by equipment location on site, the <br />erection of sound barriers, the placement of stockpiles, <br />and the type of equipment used. <br /> <br />s: \b&z\ stever \gravcup.doc <br /> <br /> <br />