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Next Slide. NEW MINER ALERT. The mining industry is experiencing a shortage in available experienced miners. Because of the shortage it is becoming necessary for mining companies to employ inexperienced miners.

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NEW MINER ALERT

The mining industry is experiencing a shortage in

available experienced miners. Because of the shortage

it is becoming necessary for mining companies to

employ inexperienced miners.

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.

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New miner accidents

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New Miner Accidents

  • A review of the accidents occurring to new

  • miners was done from 2000-2005.

  • There have been 8,561new 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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MSHA Districts

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New miner injuries by year district degree 1 10 all injuries

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New Miner Injuries by Year / DistrictDegree 1 – 10 (All Injuries)

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New Miners Injured by District 2000-2005

(degree 1-3) fatal, disabling, lost-time accident

MSHA District

Number Injured

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Top 10 states

By Year for New

Miner (degree 1-3 : fatal, disabling, lost-time accidents )

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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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17%

17%

21%

15%

15%

18%

2000 2001 2002 2003 2004 2005

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MNM New Miner Accidents vs. All Accidents

Overall MNM Accidents

MNM New Miner Accidents

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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%)

  • 3 (11%)

  • 9 (26%)

40 lives lost!!

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Age GroupsNo. Fatalities

20 or younger 3

21-29 13

30-39 9

40-49 7

50 + 8

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How old are the new miner victims??

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New Miner Fatality Review (2000)

(click on the date to view the MSHA internet link to the fatalgram / report)

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New Miner Fatality Review (2001)

(click on the date to view the MSHA internet link to the fatalgram / report)

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New Miner Fatality Review (2002)

(click on the date to view the MSHA internet link to the fatalgram / report)

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New Miner Fatality Review (2003)

(click on the date to view the MSHA internet link to the fatalgram / report)

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New Miner Fatality Review (2004)

(click on the date to view the MSHA internet link to the fatalgram / report)

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New Miner Fatality Review (2005)

(click on the date to view the MSHA internet link to the fatalgram / report)

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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.


District

# Injured

1

19

2

260

3

221

4

551

5

99

6

187

7

171

8

413

9

465

10

121

11

84

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New Miner Injuries

The search yielded a total of 2,591

accidents (degree 1-10) in Coal.

Listed is a breakdown of where the

accidents occurred by Coal District.

Footnote:

Degree 1 FATAL

2 PERM TOT OR PERM PRTL DISABLTY

3 DAYS AWAY FROM WORK ONLY

4 DYS AWY FRM WRK & RESTRCTD ACT

5 DAYS RESTRICTED ACTIVITY ONLY

6 NO DYS AWY FRM WRK,NO RSTR ACT

7 OCCUPATNAL ILLNESS NOT DEG 1-6

8 INJURIES DUE TO NATURAL CAUSES

9 INJURIES INVOLVING NON-EMPLOYEES

10 ALL OTHER CASES (INCL 1ST AID)


Number of New Miners Injured by Year

District

2000

2001

2002

2003

2004

1

4

4

5

1

5

2

32

74

52

42

60

3

27

49

46

40

59

4

90

162

144

60

95

5

23

34

18

11

13

6

29

68

47

18

25

7

29

66

35

17

24

8

48

84

89

101

91

9

76

124

105

70

90

10

5

28

43

19

26

11

3

10

13

20

38

Total

366

703

597

399

526

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Degree Injury 1 – 10, from January 2000 – December 2004


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New Miner Injuries (by Activity)

# Injured

  • 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


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10%

11.5%

6%

11.3%

7.8%


New Miner Fatal Accidents

Date

Total Exp.

Age

Classification

District

8/31/01

5 weeks

38

Fall of roof

9

11/5/01

9 months

26

Fall of roof

3

11/8/01

11 months

29

Hoisting

3

11/29/01

8 months

?

Fall of rib

8

2/27/02

1 year +

43

Powered Haul

9

8/12/02

6 months

23

Machinery

4

8/19/02

2 months

29

Fall of rib

10

4/9/03

8 months

20

Powered Haul

8

5/18/04

1 year

30

Machinery

8

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Fatal 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.


New Miner Accidents

Degree 2 Type Injuries, Perm. or

Perm. Partially Disabled

District

# injuries

1

0

2

3

3

4

4

4

5

2

6

2

7

2

8

4

9

4

10

3

11

0

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  • There were 28 degree 2 injuries from

  • 2000 – 2004

  • 32% (9) involved contractors.


New Miner Accidents

Degree 2 Type Injuries, Perm. or Perm. Partially

Disabled

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The top four occupations were :

Laborer 9 accidents

Roof bolter 6 accidents

Mechanics 2 accidents

Scoop car oper. 2 accidents

The top four activities were :

Roof Bolting 6

Maintenance 5

Handling Supplies 4

Handtools (nonpower) 2


New Miner Accidents

Degree 3 Type Injuries, non-fatal days

lost

District

# injuries

1

16

2

175

3

132

4

345

5

64

6

124

7

124

8

239

9

180

10

65

11

62

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  • There were 1,526 degree 3 injuries

  • from 2000 – 2004

  • 37% (566) involved contractors.


New Miner Accidents

Degree 3 Type Injuries, non-fatal days lost

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  • 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


New Miner Accidents

Degree 3 Type Injuries, non-fatal days lost

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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


The 70's

Miners between the ages of 18 and 24 were

3 times as likely to be injured as a miner

over the age of 45.

They were also twice as likely to be injured

as a miner between the ages of 25 and 44.

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  • 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


This concludes the Accident Data Summary.

Click here to return to menu page


Increasing speed on stopping distance
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
Trucking Fatality the steering axle.

  • 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
Problems Identified the steering axle.

  • Overloaded

  • Front brake linings contaminated with grease

  • No front brakes due to poor maintenance practices

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Problems identified1
Problems Identified the steering axle.

  • 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
Trucking Fatal the steering axle.

  • 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 identified2
Problems Identified the steering axle.

  • 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
Problems Identified Cont’d the steering axle.

  • 50% of braking capacity

  • Speed/Wet road conditions

  • Reactive brake maintenance

  • Poor knowledge of truck’s handling characteristics

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Trucking fatal1
Trucking Fatal the steering axle.

  • 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
Conditions the steering axle.

  • 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
Conditions Cont’d the steering axle.

  • Only front tires skidded during emergency braking

  • Dry, hard packed road with little loose gravel

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Brake problem indicators
Brake Problem Indicators the steering axle.

  • Visual indicators of possible braking problems present included fluid around right rear inspection hole and both front rotors discolored

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Problems identified3
Problems Identified the steering axle.

  • 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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Click here to return pre-op menu page the steering axle.

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Click here to return pre-op menu page the steering axle.

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Click here to return pre-op menu page the steering axle.

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Euclid R 50 Internal Expanding Shoe Brakes the steering axle.

Operating in Water

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