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JACA <br /> P. O. Box 1887 • 702 Gregg Drive• Buena Vista CO 81211 <br /> Phone: (719) 395-3790 Fax: (719) 395-3794 <br /> 02/16/2016 <br /> To: Colorado Division of Reclamation, Mining and Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Attn: Dustin Czapla <br /> RE: Change of Blasting Plan <br /> ACA Products, Inc. would like to request a variance in the blasting stipulations at our Trout Creek Quarry(permit <br /> M-2001-035). In a rider to mining permit dated September 19, 2001, it states that a maximum charge weight of 42 <br /> lbs. per delay, 9 millisecond delays and a peak particle velocity of 2 IPS will be used. ACA Products would like to <br /> remove these stipulations and use industry standards to design and implement quarry shots. <br /> In the attached letter, Matheson Mining Consultants, Inc. has reviewed the report"Evaluation of Effects and <br /> Recommended Controls for Blasting at the Trout Creek Quarry in Chaffee, County, Colorado" by Revey Associates, <br /> Inc. dated July 2001. This report was included in the original mining application. Using this report, Matheson Mining <br /> Consultants, has recommended guidelines that reflect the changing conditions, distances and flexibility that is <br /> needed to efficiently blast at this mine, while still providing a high degree of protection for the dam. <br /> Sincerely, <br /> Kd4 00 t <br /> Michael D. Coleman, President <br /> ACA Products, Inc. <br /> PO Box 1887 <br /> Buena Vista, CO 81211 <br /> Ph (719)395-3790 <br /> i11COlcl"1lall �,acapioauc;is.conl <br />