2016-01-09_PERMIT FILE - C2010089

• Permit No: C2010089
• IBM Index Class Name: Permit File
• Doc Date: 1/9/2016
• Doc Name: Use of Explosives
• Section_Exhibit Name: Section 4.08
• Media Type: D
• Archive: No

Typical Blasthole
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INITIATE
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NEW HORIZON MINE
TYPICAL FULL BENCH SHOT PATTERN
y Nominal 14 Ft x 14 Ft Centers
J 67 ms Delay
25 ns Delay
L Delay per blasthote in milliseconds
CU from initiation
LO Blasthole with ANFO or Slurry product only
` ® Blasthole with bagged product
at bottom, then Slurry or MFO product
L
Typical blasthole and blasting product perimeters are-
Blastholes - 5.25 in to 7.0 In diameters
- 30 feet to 85 feet deep
Blasting Products - ANFO/Slurry 160 lbs to 1,420 lbs
per hole
Bagged Product - 20 lbs to
140 lbs per hole
Boosters - 0.75 lb to 2.0 lb per hole
Total weight of blasting products of nit types
(ANFO, slurry, bagged and boosters) in a blasthole
varies from 160 lbs to 1,420 lbs
Note! Pattern may be modified to deet
specific mining Conditions
Ctig R. Hammond
Certified Blaster
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