the mining industry is experiencing a shortage in available experienced miners. because of the...
TRANSCRIPT
The mining industry is experiencing a shortage in available experienced miners. Because of the shortageit is becoming necessary for mining companies to employ inexperienced miners.
NEW MINER ALERT
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This CD was developed to provide the mining community specific safety information on the leading causes of serious injuries and fatalities new miners (< 1 year total mining experience) have been involved in.
New Miner Accidents
A review of the accidents occurring to new miners was done from 2000-2005.
• There have been 8,561 new miner accidents!!!
• Nearly 3,000 new miners were very seriously injured.
• There have been 40 new miner lives lost during this time period.
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New Miner Injuries by Year / DistrictDegree 1 – 10 (All Injuries)
District Name 2000 2001 2002 2003 2004 2005GrandTotal
North Central District 268 274 175 211 169 192 1289
Northeastern District 250 268 189 161 169 192 1229
Rocky Mountain District 299 243 202 170 221 281 1416
South Central District 404 323 244 236 281 310 1798
Southeastern District 341 258 201 189 214 260 1463
Western District 242 190 182 165 266 351 1396
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South Central 614
Southeast 535
Northeast 457
Rocky Mountain 443
Western 433
North Central 400
MSHA District Number Injured
New Miners Injured by District 2000-2005(degree 1-3) fatal, disabling, lost-time accident
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Top 10 statesBy Year for New Miner (degree 1-3 : fatal, disabling, lost-time accidents )
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State Abbreviation 2000 2001 2002 2003 2004 2005Grand Total
TX 54 45 34 34 27 57 251
CA 42 31 33 23 30 29 188
AZ 32 19 23 5 22 43 144
PA 24 31 24 16 14 19 128
OK 21 19 19 18 18 22 117
WI 17 16 8 20 17 18 96
NV 21 5 8 14 13 33 94
PR * 18 18 17 9 10 20 92
OH 27 19 10 14 11 10 91
GA 21 16 9 6 20 19 91
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New Miner Injuries (by Occupation (degree 1-3) )
Laborer 31%
Sizing / Cleaning Plant Washer 15%
Mechanics 12%
Truck Driver 10%
Front-End Loader Operator 4%
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New Miner Injuries (by Activity (deg. 1-3))
Handling Supplies and Materials 21%
Machine Maintenance / Repair 15%
Getting on/off equipment 8%
Handtools non-powered 8%
Walking / running 7%
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MNM New Miner Accidents vs. All Accidents
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New Miner Accidents vs. Overall Accidents
0
2000
4000
6000
8000
10000
12000
1 2 3 4 5 6
Year
Num
ber
Inju
ries
2000 2001 2002 2003 2004 2005
17% 17% 15% 15% 18% 21%
Overall MNM Accidents
MNM New Miner AccidentsMain Menu
New Miner Fatality Review
Year # New Miner Fatals
2000 9 (19% of all MNM fatals for 2000)
2001 9 (30%)
2002 8 (19%)
2003 2 (8%)
2004 3 (11%)
2005 9 (26%)
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How old are the new miner victims??
Age Groups No. Fatalities
20 or younger 3
21-29 13
30-39 9
40-49 7
50 + 8
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New Miner Fatality Review (2000)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
1/10/2000 10 weeks 44 Powered Haulage Texas
4/21/2000 1 year 18 Powered Haulage Utah
4/28/2000 0 42 Powered Haulage Louisiana
5/1/2000 7 months 42 Powered Haulage Georgia
6/19/2000 0 29 Powered Haulage Texas
6/23/2000 0 57 Machinery Virginia
6/26/2000 2 weeks 59 Other Oklahoma
7/21/2000 19 weeks 23 Explode Pressure Vessel
Arizona
11/8/2000 11 weeks 27 Powered Haulage Ohio
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New Miner Fatality Review (2001)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
2/9/2001 8 months 21 Powered Haulage Washington
2/26/2001 36 weeks 50 Slip Fall New Mexico
4/25/2001 36 weeks 36 Slip Fall Alabama
5/5/2001 3 days 58 Powered Haulage Pennsylvania
7/4/2001 8 weeks 44 Powered Haulage North Carolina
10/4/2001 8 weeks 39 Powered Haulage Arizona
10/22/2001 18 weeks 44 Other Florida
10/29/2001 5 weeks 36 Powered Haulage Wyoming
12/4/2001 16 weeks 23 Slip Fall South Carolina
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New Miner Fatality Review (2002)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
1/21/2002 6 weeks 51 Machinery Colorado
2/9/2002 4 months 38 Machinery New Mexico
3/29/2002 1 year 53 Powered Haulage Nebraska
4/22/2002 1 year 22 Machinery South Dakota
4/24/2002 5 months 22 Powered Haulage Texas
7/2/2002 21 weeks 51 Powered Haulage Missouri
8/20/2002 1 year 20 Powered Haulage Tennessee
10/14/2002 3 months 25 Fall of Highwall Illinois
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New Miner Fatality Review (2003)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
8/9/2003 5 months 40 Slip Fall Nevada
12/20/2003 9 months 37 Powered Haulage Alabama
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New Miner Fatality Review (2004)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
1/29/2004 4 days 24 Slip Fall South Carolina
7/24/2004 8 days 19 Powered Haulage Oklahoma
10/16/2004 6 months 37 Electrical Missouri
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New Miner Fatality Review (2005)(click on the date to view the MSHA internet link to the fatalgram / report)
Date Tot. Exp. Age Classification State
3/11/2005 1 year 23 Falling Slide Material Kentucky
3/23/2005 1 week 34 Machinery South Carolina
4/4/2005 8 days 47 Powered Haulage Nebraska
6/29/2005 12 weeks 21 Powered Haulage Mississippi
8/1/2005 8 weeks 30 Powered Haulage Colorado
8/13/2005 12 days 56 Powered Haulage Florida
10/12/2005 10 weeks 36 Slip Fall Ohio
11/4/2005 5 weeks 21 Powered Haulage Alabama
11/6/2005 1 year 28 Machinery Michigan
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An analysis was conducted from January 2000 – December 2004 on newly employed inexperienced coal miners. Any injured employee with a year or less total experience counted as a “new miner”.
The analysis was performed using the MSHA Teradata system. This data retrieval system incorporates data from the 7000-1 forms which are completed and submitted by the mine operator.
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The search yielded a total of 2,591accidents (degree 1-10) in Coal. Listed is a breakdown of where the accidents occurred by Coal District.
8411
12110
4659
4138
1717
1876
995
5514
2213
2602
191
# InjuredDistrict
New Miner Injuries
Degree 1 FATAL2 PERM TOT OR PERM PRTL DISABLTY3 DAYS AWAY FROM WORK ONLY4 DYS AWY FRM WRK & RESTRCTD ACT5 DAYS RESTRICTED ACTIVITY ONLY6 NO DYS AWY FRM WRK,NO RSTR ACT7 OCCUPATNAL ILLNESS NOT DEG 1-68 INJURIES DUE TO NATURAL CAUSES9 INJURIES INVOLVING NON-EMPLOYEES10 ALL OTHER CASES (INCL 1ST AID)
Footnote:
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526399597703366Total
38201310311
26194328510
9070105124769
911018984488
24173566297
25184768296
13111834235
9560144162904
59404649273
60425274322
515441
20042003200220012000District
Number of New Miners Injured by Year
Degree Injury 1 – 10, from January 2000 – December 2004
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• Handling supplies 528• Machine repair 271• Hand tools 228• Walking / running 205• Get on/off equip. 147• Roof bolter 138• Hand shovel 84• Move power cable 74• Operate haul truck 64• Operate mantrip 59
New Miner Injuries (by Activity)
# Injured
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New Miner Accidents vs. Total Accidents
0
1000
2000
3000
4000
5000
6000
7000
2000 2001 2002 2003 2004
Year
No.
Acc
iden
ts (1
-10)
New MinerAccidents
TotalAccidents
6% 11.5% 10% 7.8% 11.3%
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New Miner Fatal AccidentsFatal accidents were reviewed from 2000 – 2004. Listed below are the number of fatal accidents where the information was made available in the investigation report. To view the fatalgram and report, click on the listed dates.
10Fall of rib29 2 months8/19/02
8Machinery301 year5/18/04
8Powered Haul208 months4/9/03
Machinery
Powered Haul
Fall of rib
Hoisting
Fall of roof
Fall of roof
Classification
4236 months8/12/02
9431 year +2/27/02
8?8 months11/29/01
32911 months11/8/01
3269 months11/5/01
9385 weeks8/31/01
DistrictAgeTotal Exp.Date
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New Miner Accidents
Degree 2 Type Injuries, Perm. orPerm. Partially Disabled
• There were 28 degree 2 injuries from 2000 – 2004
• 32% (9) involved contractors.
011
310
49
48
27
26
25
44
43
32
01
# injuriesDistrict
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New Miner Accidents
Degree 2 Type Injuries, Perm. or Perm. PartiallyDisabled
The top four occupations were :Laborer 9 accidentsRoof bolter 6 accidentsMechanics 2 accidentsScoop car oper. 2 accidents
The top four activities were :Roof Bolting 6Maintenance 5 Handling Supplies 4Handtools (nonpower) 2
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New Miner Accidents
Degree 3 Type Injuries, non-fatal dayslost
• There were 1,526 degree 3 injuries from 2000 – 2004
• 37% (566) involved contractors.
6211
6510
1809
2398
1247
1246
645
3454
1323
1752
161
# injuriesDistrict
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New Miner Accidents
Degree 3 Type Injuries, non-fatal days lost
The top ten occupations were :
• Laborer 718• Roofbolter 132• Mechanic helper 98• Beltman 83• Truck Driver 76• Drill Op. 50• Scoop Car Op. 33• Bulldozer Op. 32• Electrician helper 28• Shuttle Car Op. 26
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The top four activities were :
• Handling Supplies / Materials 324• Machine Maint. / Repair 145• Walking / Run 145• Roof Bolting 121• Get on/off Equipment 101• Handtools (non powered) 88• Handloading / Shoveling 69• Move Power Cables 50• Operate Haul Truck 42• Operate Mantrip 42
New Miner Accidents
Degree 3 Type Injuries, non-fatal days lost
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Miners between the ages of 18 and 24 were3 times as likely to be injured as a minerover the age of 45.
They were also twice as likely to be injured as a miner between the ages of 25 and 44.
Some of the leading causes of fatal injuries were• Roof falls• Haulage• Machinery• Electrical
Some of the leading causes of non-fatal injuries were• Material Handling• Slips and Trips• Haulage• Machinery
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Increasing speed on stopping distance
Speed Change Increase in Increase in
Speed Stopping Distance
5 to 7.5 MPH 1.5 Times 2.25 Times
5 to 10 MPH 2 Times 4 Times
5 to 15 MPH 3 Times 9 Times
5 to 20 MPH 4 Times 16 Times
5 to 25 MPH 5 Times 25 Times
5 to 30 MPH 6 Times 36 Times
As the speed is increased, the stopping distance increases
by the square of the increase in the speed.
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Picture of a 20%+ down hill grade in the Rocky Mountains. Operator did not use the retarder, only the brakes. The machine came down this grade and made the first turn to the left.
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The operator continued along the short straight section and into a second left hand turn.
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The operator was not in control of the machine nor was he able to stop the machine and hit another machine broadside.
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On this truck there were questions as to the braking of the trailer axles. Brake pads were near new with little signs of wear nor heat, indicating possible improper bleeding during the last rebuild.
This is the left front brake pad and brake disk on the steering axle. Both show the signs of high heat.
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This is the right front brake pad and brake disk located on the steering axle.
Brake pad material welded to the disk during loading while the brakes were applied. The disk shattered when the machine started to move, causing the eventual loss of the front axle braking.
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Trucking Fatality
• Descending grade loaded - - driver lost control
• Truck straddled berm and driver jumped, truck overturned onto driver
• Dual circuit S-cam air brakes• Engine retarder
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Problems Identified
• Overloaded• Front brake linings
contaminated with grease
• No front brakes due to poor maintenance practices
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Problems Identified
• Oversized drums on rear contributed to brake fade
• Portion of lining missing on leading edge of rear brake shoe
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Trucking Fatal
• Descending haul road empty
• Overran s-turn• Driver thrown through
windshield - - not wearing seat belt
• Dual circuit S-cam air brakes
• Hydraulic retarder
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Problems Identified
• No front brakes - one brake chamber inoperative and the other out of adjustment
• Rear brakes - stroke exceeded, oversized drums and different slack adjuster lengths
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Problems Identified Cont’d
• 50% of braking capacity • Speed/Wet road
conditions• Reactive brake
maintenance • Poor knowledge of
truck’s handling characteristics
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Trucking Fatal
• Truck descending 10% grade and over traveled berm at an intersection, falling over high wall
• Dual circuit hydraulic system with front disc caliper and rear drum brakes
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Conditions
• Accident occurred about midnight
• Poor signs warning of approaching intersection
• First time this worker was on site and drove down this road
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Conditions Cont’d
• Only front tires skidded during emergency braking
• Dry, hard packed road with little loose gravel
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Brake Problem Indicators
• Visual indicators of possible braking problems present included fluid around right rear inspection hole and both front rotors discolored
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Problems Identified
• Reduced braking capacity on both rear brakes
• Right rear brake linings contaminated with grease - no braking capacity
• Automatic slack adjusters not functioning - - rear lining to drum clearances out of adjustment
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