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2007-07-30_PERMIT FILE - C1981008A (28)
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2007-07-30_PERMIT FILE - C1981008A (28)
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Last modified
2/19/2019 9:05:02 AM
Creation date
11/25/2007 10:29:15 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
7/30/2007
Doc Name
OSM Blast Vibration Regression Analysis at 95 Percent Confidence Level
Section_Exhibit Name
Section 2.05.3(6)(a) Attachment 2.05.3(6)(a)-2
Media Type
D
Archive
Yes
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OSM Charge weight Table Fox 301 - 5000 ft , <br />based on 77 data pairs for: <br />. <br />12-2-93 to 2-10-94. <br />blast 44 to blast 61 <br />HORIZON MINE <br />The scaled distance for this distance range is 35.93 <br />(lb) <br />Diat(ft) Charge Diet(ft) Charge(l b) Diat(ft) Charge(lb) <br />350 - . <br />95 1900 - 2796 3450 - 9218 <br />400 - 129 1950 - 2945 ~ 3500 ~ 9487 <br />450 - 157 2000 - 308 3550___- 9760 <br />500 -. 194-~~~~ 20'50 - 3255 3600 - 10037 <br />550 - 239 2100 - 3415 3650 - 10318 <br />600 -~ 279 2150 - 3580 ~ 3700 - 10603 <br />650 - ~ 327 2200 - 3748 3750 - 10891 <br />700 - ~ 379 2250 - 3921 3800 - 11183 <br />750 - 436 2300 - 4097 3850 - ~ 11480 <br />800 - 496 2350- - 4277 3900 - 11780 <br />850 - 560 2400 - 4461 3950 - 12084 <br />900 - 627 2450 - 4649 4000 - 12392 <br />950 - 699 2500 - 4840 4050 - 12703 <br />1000 - 774 2550 - 5036 4100 - 13019 <br />1050 - 854 2600 - 5235 4150 - 13338 <br />1100 937 2650 - 5439 4200 - 13662 <br />1150 - 1024 2700 - 5646 4250 - 13989 <br />1200 1115 2750 - 5857 4300 - 14320 <br />1250 - 1210 2800 - 6072 9350 - 14655 <br />1300 - 1309 2850 - 6291 4900 - 14994 <br />1350 -~ <br />~' 1411 ~ 2900 - 6513 ~ 4450 _ 15337 <br />~ <br />~ <br />i 1400 - <br />{ 1518 2950 = 6740 4500 156$3 <br />6034 <br />i, <br />1450 - 1628 3000 6970 4550. 1 <br />1500 1743 3050 7205 4600 16388 <br />_ <br />1550 1861 3100 = <br />7493 = <br />4650 16746 <br />1600 - 1983 3150 - 7685 4700 17108 <br />1650 2109 3200 - 7931 9750 - 17474 <br />1700 2238 3250 - 8180 4800 - 17844 <br />1750 - 2372 ~ 3300 - 8434 4850 18218 <br />1800 - 2509 3350 - 8692 4900 - 18595 <br />1850 - 2651 3400 - 8953 <br /> 5000 - 19362 <br />Although the above charge wei ghts-per- delay are authorized under the <br />regulations, they may exceed, or great ly exceed, practical limitations. <br />b`.' <br />• Attachment 2.05.3(6)(a)-2-13 <br />(Revised July 2006) <br />
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