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9. Types and total weight of explosives used. <br />10. Maximum weight of explosives detonated within any eight millisecond period. <br />11. Initiation system. <br />12. Sketch of delay and delays used. <br />13. If holes are decked to achieve different delay times within a hole, sketches will also show decking. <br />14. Type and length of stemming. <br />15. Mats and other protection used. <br />16. Number of persons in blasting crew. <br />17. Airblast records, including: <br />(a) type of instrument, sensitivity, and certification of annual calibration; <br />(b) exact location of instrument and the date, time and its distance from the blast(s); <br />(c) name of the person and firm taking the reading; <br />(d) name of the person and firm analyzing the blast monitoring record; <br />(e) the airblast level recorded. <br />Generally, overburden blasting will require approximately one pound or less explosives per cubic yard of <br />material shot except for cast blasting which normally requires 1.2 pounds. Parting blasting will normally <br />require less than 0.8 pounds of explosive per cubic yard of material shot; and coal blasting will normally <br />require less than 02 pounds of explosive per ton of coal shot. The kind of explosives used include but are <br />not limited to: <br />1. Electric caps. <br />2. Detonating cord. <br />3. Cast primers. <br />4. Detonating cord delays. <br />5. Water gels. <br />6. Bulk and bagged AnFo's with additives. <br />7. Emulsions. <br />These explosives will be used for overburden, parting and coal blasting. <br />3-36 <br />Revision: f Q S <br />P¢tQroved: 3 3 <br />