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• 4.08.4 Surface Blastine Requirements <br />Colowyo will conduct al( blasting operations during daylight hours between sunrise and <br />sunset as set forth in the blasting schedule in Section 4.08.3. <br />Warnings and notices of unscheduled blasting between sunset and sunrise that cannot be <br />delayed until the next day due to unavoidable hazardous conditions will be provided in <br />accordance with the requirements of this Section.- oral notices will be provided to residents <br />or owners of dwellings within one-half mile of the blasting site within 24 hours prior to any <br />blasting which might be conducted between sunset and sunrise. A complete written report of <br />the blasting at night describing in detail reasons for delay in blasting, including-why the blast <br />could not be held over for the next day, when the blast was actually conducted, the warning <br />notices given, and a copy of the blast report will be filed- by Colowyo with the Division, but <br />not later than three days after the night blasting. <br />Colowyo will conduct blasting at times announced in the blasting schedule except in those <br />unavoidable hazardous situations, previously approved by the Division in this application. <br />Unavoidable hazardous situations can exist if safety requires: <br />1. Destruction of damaged or deteriorating explosives or detonators; or <br />2. Disposal of misfires and/or undetonated explosives; or <br />3. Firing of charged holes as soon as practicable after cessation where electricity <br />or stray current conditions where electric detonators are used; or <br />• 4. Firing of charged holes when weather conditions indicate the existence of a <br />safety hazard is eminent <br />Colowyo gives warning and all-clear signals of different characters that are audible- within <br />a range of one-half mile of the blast. Individuals within the permit area and individuals who <br />reside or work within one-half mile of the mining area will be notiYied of the meaning of <br />the signals through appropriate written instructions. Colowyo will periodically inform such <br />individuals of the proposed blasting schedule and inform them of the meaning of the <br />signals. Colowyo will also maintain signs in accordance with Section 4.02. <br /> <br />4.08-4 Revision Date: 9/20/02 <br />Revision No.: RN-04 <br />