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Porgand Plant Quarry ~ • Holcim (US) Inc. / Phone (719) 784-8325 <br />H o l e ~ m 3500 State Highway 120 Fax (719j 784-1213 <br />Florence, CO 81226 <br />RECEIVED <br />JUN 16 2003 `~ <br />Division ~f Minerals and Geology <br />June 11.2003 <br />Mr. Larry Oehler <br />Environmental Protection Specialist <br />Division of Minerals and Geology/ <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />SUBJECT: Holcim (US) Inc. 112 Permit Application, Permit No. M-77-344 '- lr /`? ~ ~ ~~ <br />G' IG ~ y,,~ .,~ ~ v <br />Dear Mr. Oehler: <br />This letter is being written to introduce you toCichael Gantenbein, who is the new Quarry <br />Manager for Holcim's Portland Plant and also to respond to your letter of May 14, 2003 in which <br />you had attached a letter from the Colorado Interstate Gas Company regarding our permit <br />application. <br />Michael Gantenbein joined Holcim in March of 2003 and has assumed the position of Quarry <br />Manager for the Portland Plant. Although I will be involved with the permitting until the <br />Amendment is completed, Mr. Gantenbein will be the primary point of contact for any permitting <br />issues with respect to the Portland Plant. <br />With respect to the letter from The Colorado Interstate Gas Company (CIG), we have already <br />been in contact with and have had discussions with CiG regarding Holcim's mine plan and what <br />needs to be accomplished when the quarrying approaches the gas line. Once Colorado <br />Interstate Gas Company agrees to the approach, then Colorado Interstate Gas will send a letter <br />to the Department of Minerals and Geology, on their letterhead, stating the agreement. <br />We have also contacted Mr. Stephen Bacon in order to (1) insure the location of the pipelines on <br />Holcim property and (2) to further the discussion on protection and possible relocation of the <br />pipelines when quarry operations encroach on them. Holcim will notify the CIG when blasting <br />comes within 500 feet of the natural gas ,pipelines and wif ml-- sure f at peak velocities will not <br />exceed 4 inches per second within 500 feet of the. pipelines. <br />