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III IIIIIIIIIIIII III <br />999 <br /> <br />STATE OF COLORADO <br />/, ~J%Ir't DIVISION OF MINERALS AND GEOLOGY <br />Department o atura esources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: 1303) 866-3567 <br />FAX: 13031 832-8106 <br />MEMO TO FILE <br />C p; File No: M-99-002 <br />Operator: American Soda / <br />Date: October 13, 1999 V <br />Specialist: Allen Sorenson ~~ <br />Subject: ~ o e- ~lAmzDiversion Ditches at Process Plant, Technical Revision TR-O1 <br />Person(s) Contacted and Affiliation: Paul McGuire, Steigers Corporation <br />SUMMARY AND RESOLUTION OF INTERACTION: <br />DIVISION OF <br />M[NERALS <br />GEOLOGY <br />RECLAMATION <br />MI NING•SAFETY <br />Bil I Owens <br />Governor <br />Greg E Watcher <br />Executive Director <br />Michael B. Long <br />Division DveUOr <br />Several of the process plant diversion ditches proposed in TR-O1 are larger than would be necessary to <br />carry the design flow plus 03 feet freeboard. However, the Operator will be required to build the <br />ditches to these sizes unless a design revision is submitted to and approved by the Division. <br />Ditch D-6 will carry the design flow, but does not provide adequate (03 feet) freeboard. The Operator <br />will resize the ditch to provide the required freeboard and will submit a revised page 8 to the <br />Attachment 2 diversion ditch calculations in TR-O1. The revised design will be provided by the <br />October 18, 1999 decision date for the technical revision. With the provision of an appropriately sized <br />ditch D-6 design, the Division will approve the technical revision. <br />cc: Paul McGuire, Steigers Corp. (vin frecsimile) <br />c:lwindows\personahamedcan soda twenlylhn:e.doc <br />~Uo ~ ~ ~~ u~ ~ /~ <br />r <br />~~- 6 C~ ~ v ~~ i cry '_ <br />{is ~ <br />A~~~ 1° -~5 ~~ ~ <br />