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GCC <br />GCC Energy, LLC <br />Telephone: 970.385.4528 6473 County Road 120 <br />Energy "Safety as a Value" Facsimile: 970.385 4638 Hesperus, CO 81326 <br />July 18, 2017 <br />State of Colorado <br />Division of Reclamation, Mining 8s Safety <br />1313 Sherman St., Room 215 o' <br />Denver, CO 80203 <br />Attn: Rob Zuber, Environmental Protection Specialist II of R&sa{q <br />Re: GCC Energy, LLC, King II Mine <br />CDRMS Permit # C-1981-035 <br />Minor Revision No. 46 (MR -46) Initial Submittal <br />Install Additional Mine Ventilation Fan at Return Air Portal <br />Mr. Zuber: <br />Please find attached Minor Revision MR -46, "Install Additional Mine Ventilation Fan at <br />Return Air Portal". This fan will be installed on the return air portal site to assist in <br />obtaining sufficient mine ventilation to satisfy requirements of the Mine Safety and <br />Health Administration. Although the fan and related steel structures will be removed <br />for final reclamation, the concrete footers and pad will remain in place as they will be <br />covered by approximately 20-30 feet of backfill as shown in the reclamation section of <br />the plan. <br />The current mine ventilation fan, located at the intake air portal, will remain in place <br />and operational, although it is expected that it will remain turned off or operating at <br />lower volume once the new fan is operational. <br />Please find enclosed: <br />• Minor Revision Application Form <br />• Map King II -007 Operation Plan 8s Surface Features <br />• King 11 Section 2.05.4 pages 6 8, 8 <br />• Fan structure volume calculation drawing <br />