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• All signals will be audible to all persons within one-half mile and each person who works <br />• within the mine site area will be instructed of the meaning of the signals. <br />• BME will post blasting warning signs at the entrance leading to the mine site and in the <br />immediate vicinity of the blasting area. <br />• Access to the area subject to flyrock will be controlled by roadblocks and traffic guards <br />to prevent unauthorized personnel or livestock from entering the area. A blasting <br />representative will survey the area and announce the site safe following each blast. <br />• Flyrock, including blasting material, travelling along the ground will not be cast beyond <br />the permit area. <br />• Blasting will be conducted to prevent injury to persons and damage to property outside <br />the boundary of the permit area. <br />• There will be no change in the course, channel or availability of groundwater outside the <br />permit area due to the extremely long distance from the blasting area. <br />• BME expects that the maximum weight of explosives that will be detonated atone time <br />in any 8-millisecond period will be less than 300 pounds. <br />• There are no public buildings, disposal wells, petroleum or gas storage facilities, <br />municipal water storage facilities, fluid transmission pipelines, gas or oil collection <br />pipelines or water and sewage lines within 1,000 feet of the blasting site. <br />Blasting Records - A record for each surface blast will be retained and be available for inspection for a <br />period of three years following detonation. The records will contain the following: <br />• 1. Name of operator conducting blast. <br />2. Location, date and time of blast. <br />3. Name, signature and license number of blaster in charge. <br />4. Weather conditions. <br />5. Type of material blasted. <br />6. Number, holes, burden and spacing. <br />7. Diameter and depth of holes. <br />8. Types of explosives. <br />9. Weight of explosives. <br />10. Maximum weight of explosives detonated within any 8-millisecond period. <br />11. Maximum number of holes detonated within any 8-millisecond period. <br />12. Initiation system. <br />13. Type and length of stemming. <br />14. Mats or other protections used. <br />15. Delays used. <br />16. Sketch of delay pattern. <br />17. Number of persons in blasting crew. <br />18. Sound level measurements (if taken). <br />Mine Permit Renewal #3 (Rev. 8/99) IV-6 <br />