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Trees and screening: <br /> <br />"The Natural Communities and Rare Species of Sherburne County Map" <br />identifies an oak forest, mesic subtype, on the subject property. The removal <br />of these trees was identified and reviewed in the City of Elk River's <br />Environmental Impact Statement on Mineral Excavation. <br /> <br />Staff is recommending a 200 foot strip of trees is left in the northwest corner <br />of the site to act as a buffer for the city's railroad hiking trail. The other <br />areas it would be logical to leave trees where they would not interfere with <br />mining activities are adjacent to 221st Ave. and Highway 169. Regrettably, <br />very few trees exist in these areas. Staff is recommending trees be planted <br />within the required 50 foot setback adjacent to these roadways. Further, <br />staff is recommending spruce be planted on the berms as they are <br />constructed. The draft CUP reflects these recommendations. <br /> <br />Hours of operation: <br /> <br />Staff is recommending that mining activities take place during the normal <br />hours allowed, 7:00 a.m. to 7:00 p.m. However, in addition to these hours <br />staff is recommending the asphalt plant be allowed extra hours to operate on <br />special occasions. An example of a special case was the recent paving of <br />Highway 101, which had to take place at night because of traffic concerns. <br /> <br />Noise, vibration and lighting: <br /> <br />The conditions in the draft CUP regarding these issues are typical language <br />for a gravel mining permit and have worked well in the past. <br /> <br />Fencing: <br /> <br />Tiller is proposing to fence their entire site with a four foot high woven wire <br />fence. Warning signs should also accompany this fence. <br /> <br />Odor: <br /> <br />The conditions regarding odor in Tiller's current asphalt plant permit have <br />been added to their new permit. These conditions include a review process by <br />the city and ultimately revocation of the permit, if necessary to resolve odor <br />problems. <br /> <br />f:\shrdoc\b&z\stever\tilrcup.doc <br /> <br /> <br />