2007-06-29_PERMIT FILE - C1981022A (2)

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Stmta: - 2.05.3 r~ L_J • Blast mats or other protection • Type of delay detonator and delay periods • Number of persons on blasting crew • Seismograph and air-blast records (if applicable) • Type of instrumentation, sensitivity, and calibration information • L«ation of any and date(s) and time(s) of use and distance from blast • Name of individual(s) and firm obtaining and evaluating any monitoring reading(s) • Recorded vibration or air-blast levek (if applicable) C~ PUBLIC NOTICE Oxbow Mming, Inc., pursuant to applicable provisions of Section 4.08.3 of the regulations of the Colorado Mmed Land Reclamation Board, hereby publishes the following blasting schedule. The blasting area is 1«ated in (description of area b~quarter sectionl. Blasting operations m:ty be conducted daily between sunrise and sunset during (description of period by day, month, and year . All roads leading to the blasting area will be bl«ked at least 10 minutes prior to the blast byan individual in radio contatt with the individual responsible for blasting operatioru to prevent access. The blast area will be cleared of all personnel and livest«k prior to the blast. A horn sounded intemnittently prior to the blast will warn of the imrninent blast. The all-cleaz signal will be a horn sounded continuously after the blast. Blasting will not be conducted at times other than announced in this notice except in emergency situations where rain, lightning, or other atmospheric conditioru or operator or public safety concerns warrant unscheduled bLuting as a safety consideration. Ample warning u given before any blast «curs. Any individuak who reside or regularly work R'ithin one-half mile of the blast area(s) are notified of the potential for blasting activities and the meaning of blast warnings. Blasting signs exist on all major access roads leading to blast areas as required by Rule 4.02.6. For «casional blasting activities it may be appropriate to place signs on other roads which may provide l«al site access. These signs are placed at least 10 days prior to any blast anti are removed after blasting activities are completed. Prior to any blast, people are cleared from the blast area and immediately adjacent areas where any danger from flyr«k may exist. Roads leading to the blast azea are bl«ked by personnel in radio contact with the individual in charge of blast;r,g operations to prevent access by personnel or Gvest«k Immediatelyprior to the blast a blast warning horn, audible within one-half mile, is sounded intermittently. Following the blast and confittnation by the individual in charge of blasting operations that the blast area is safe to re-enter, anall-c]ear horn is sounded continuously. In addition to the blast warnings and access constrainu described, the following notice is published in a 1«al newspaper of general circulation at least 10 days but not trtore than 20 days prior to initiating any blasting program The distance from potential blasting activities to the nearest structure, dwelling, school, church, or community or institutional building is at least 2,600 feet. So long as this distance is greater than one- half mile (2,640 feet) no blast monitoring u requied. Rule 4.08.2 requires written notification within 30 days prior to blasting to all residents or owners of dwellings or structures within one-half mile of the pemut area which explains how to request a pre_ blast survey. Since this surface blasting plan applies to blasting activities ass«iated with underground PR04 2.05-40 Revised August 2000