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Typical <br />section <br />Blasthole <br />562 7 <br />2 487 462 <br />462 487 A2 R7 <br />562 <br />NEW HORIZON MINE <br />TYPICAL PARTING SHOT PATTERN <br />Nominal 10 Ft x 12 Ft Centers <br />17 ns Delay <br />w <br />520 495 <br />470 44 42D <br />4 445 470 495 <br />520 <br />25 ms Delay <br />4- <br />294 Delay per blasthole in mildseccnds <br />128 453 <br />40 378 <br />37 03 AS A3 <br />478 <br />From initiation <br />o <br />N <br />0 BlnsthOle with ANFO or Slurry product Only <br />O <br />W <br />436 411 <br />386 36 336 <br />33 361 386 411 <br />436 <br />product <br />O <br />at bottom, thenSged SllurrANFO product if needed <br />1i <br />394 369 <br />344 319 294 <br />29 19 344 369 <br />394 <br />Typical blasthole and blasting product perimeters are, <br />I0 <br />Blastholes - 5.25 in to 7.0 in diameters <br />352 327 <br />302 277 252 <br />2 277 302 327 <br />352 <br />- 6 feet to 10 Feet deep <br />t <br />4'' <br />Blasting Products - ANFO/Slurry 8 lbs to 90 lbs <br />w <br />Ca <br />310 285 <br />260 2 210 <br />21 35 260 285 <br />310 <br />per hole <br />Bagged Product - 0 lbs to <br />a10 <br />lbs per hole <br />O <br />o <br />268 243 <br />218 19 168 <br />16 193 2l8 243 <br />268 <br />Boosters - 0.75 Ib to 1.0 ib per hole <br />= <br />a- <br />d <br />c <br />226 201 <br />176 151 126 <br />12 51 176 201 <br />226 <br />Total .eight of blasting prodicts of oil types <br />41 <br />O <br />N <br />(ANFO, slurry, bagged and boosters) in a blasthole <br />~ <br />m <br />184 159 <br />134 10 84 <br />8 109 134 159 <br />184 <br />varies from IO lbs to 90 lbs <br />Note: Pattern may be modified to deet <br />142 117 <br />92 67 42 <br />42 7 92 117 <br />142 <br />N specific mining conditions <br />100 75 <br />50 25 0 <br />0 5 50 75 <br />100 <br />F <br />v <br />INITIATE <br />FREE <br />FACE <br />CUPPR. Hammond <br />Certified Blaster <br />MUG\MTAMCADVIIY.VA4TIAL-"TIDLC DVG <br />N <br />t--1 <br />H <br />u <br />L0 <br />e-4 <br />O <br />N <br />t•. <br />U <br />U <br />U <br />U <br />A <br />