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SEP-05-2008 FRI 02:41 PM WELD COUNTY PUBLIC WORKS <br />_ .. GpNSTFiUGT10N AG13REOATED + LEASING 4 GOLF <br />20, 2008 <br />Mr. David Bauer <br />Weld County Department of Public Works <br />P.O. Box 758 <br />Greeley, CO 80632 <br />FAX NO. 970 304 6497 P 02 <br />RE: * Hall-Irwin Corporation's BaselineResource, Structure Agret rir ent <br />Dear Mr. Bauer: <br />Hall4rwin Corporation has submitted an application to the Division of ft ti -nation, Mining and Safety <br />(DRMS)-to amend their Baseline mining permit to lnclude a slurry wall alt r i I Weld County Road 23.5. This <br />property is located in the southeast quarter of Section 36, Township 1 Nc rll i, Range 67 West, of the 60 <br />P.M. Hall-Irwirv is currently mining this site,. which is designated phase4 ?- the mining plan. I have <br />attached the mining plan for your reference. <br />The DRMS requires that fhe-applicant "provide a notarized agreement bE M aen the. applicant and the <br />person having interest in the structure stating that the applicant is to-prov c, compensation for any damage <br />to the structure! Hall-Irwin bas conducted an engineering evaluation tot r: ;ure that no structures-will be <br />damaged by activities occurring during the mining process. This analysis:.. lows that with a setback of 25' <br />from the property line to the slung wall and then a 16' setback from the sl j r y wall1o the mining high wall, <br />(horizontal to vertical) slope, there is a factor ct safety of at least 1.67 (refer to <br />which will be mined at a 3:1 <br />attached analysis for details). As an abundance of caution, Hall-Irwin wit Li!.-a provide Weld County <br />compensation for any damage that occurs to Weld County Road 23.5. <br />The. DBMS also requires that the applicant'submit a public notice to all ei .:I anent holders that are within <br />200 feet of the boundary of the affected land. I mailed Don Carroll this nt ti a on August 12, 2008 via <br />certified mail and I have also attached a notice for your information. You 1,z ve the right to a 20-day <br />comment period with the Division. As part.of this agreement, you also ac rr ?:thatwe have addressed your <br />concerns and that you waive your right to -the 20-day comment period. <br />Please acknowledge that you concur with the above statements by signir ; leis document. <br />MALL-1 IFtWIN <br />'CC-RPORATIO N <br />3026 4TH Avc. 6r+ee1.cY. cal.ownao 9063 1 'S' MO. SOX 21 so r. 11 KLEY. OGLORAaa 90622 <br />970-382•6057 0300-SS4-1664 METRO *970-353-6284 FAIT