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-z- <br /> <br />shall be accomplished between the hours <br />~:oo - ~:3o n.rr., s:oo - s:~o n.rr., n:oo - g: so ,~.ir., lz:oo - lz:~o r.rr., <br />of z,nn - ?: ;n r'.rr., ;:on - ;:3opn. Mondays through Saturdays. <br />a:o~.- a: ;o P.M. :00 - j: JO P'.rl. <br />Operational considerations suc{~ as equipment brea4:doo-;ns, <br />temporary changes in delivery schedules, local stri4:es, <br />etc. may dictate that blasting not be accomplished on <br />some days. <br />3. Control of Access - The general mining area is <br />identified by appropriate signs on all access roads <br />designating it as a mining area and restricting entry to <br />authorized personnel only. The permitted area has signs <br />at all entrances reading "Blasting Areas" and explaining <br />blasting warning and all clear signals. Further, the <br />blasting area described above is posted with signs <br />reading "Blasting Area". In addition to the signs, all <br />access to the immediate area of the shot is contro]led <br />by mine personnel prior to a shot. All areas in which <br />charged holes are awaiting firing will be guarded, <br />barricaded and posted or flagged against unauthorized <br />entry. <br />4. Audible Warning Signals - <br />Blasting will be preceded by three (3) long ~,~histles from <br />an air horn on the dragline or shovel. <br />One (1) Long steady whistle after the blast shall designate <br />an "all clear" condition. <br /> <br />5. Emergency Detonations - Safety considerations may <br />dictate detonations at times other than the above noted <br />time periods. The following conditions, as defined in <br />regulations (30 CFR 77) promulgated under the Coal Mine <br />Health and Safety Act of 1969 and 1977 Amendments, Mine <br />Safety and Health Acts, shall be cause for detonations <br />under emergency conditions: <br /> <br />