Fall from machine
Employee was scaling from a man basket on a boom truck when large slabs of rock struck the boom causing it to separate from the boom.
Margaret J HeckmanController
MSHA Controller ID: M01135
- Fatalities
- 5
- Total incidents
- 405
- Mines on record
- 6
- Years on record
- 2000–2022
Safety benchmark
Recorded fatalities relative to other controllers with a fatal MSHA history. Percentile is computed across the 590 controllers with at least one recorded fatality.
More recorded fatalities than 94% of controllers on file.
Position when controllers are sorted by recorded fatalities.
Industry mean: 2.0 fatalities per fatal-history controller.
This controller
5
Industry mean
2
Industry median
1
Peers at similar incident volume
- Margaret J Heckmanthis controller5fatal405 total
- Placer Dome Ltd3fatal393 total
- Rogers Group Inc3fatal417 total
- Benjamin R. Bennett2fatal385 total
- Hallador Energy Company1fatal416 total
Methodology: percentile and rank computed across MSHA controllers with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.
Top causes
- MACHINERY2 fatalities · 34 non-fatal
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL2 fatalities · 1 non-fatal
- HANDLING OF MATERIALS1 fatality · 131 non-fatal
- SLIP OR FALL OF PERSON83 non-fatal
- DISORDERS (REPEATED TRAUMA)48 non-fatal
- HANDTOOLS (NONPOWERED)40 non-fatal
Incident timeline
2022
7
2021
15
2020
30
2019
12
2018
18
2017
14
2016
31
2015
9
2014
20 (2f)
2013
17
2012
14
2011
16
2010
17
2009
10
2008
14
2007
12 (1f)
2006
13
2005
9
2004
15
2003
15
2002
22 (1f)
2001
28
2000
47 (1f)
Operators under this controller
- MLC405
Mines on record
Fatalities under this controller
5 recordedFall from machine
The employees were scaling from a man basket on a boom truck when large slabs struck the boom causing it to separate from the truck.
Struck by... (Not Elsewhere Classified)
EE and other co-workers were trying to connect a 42-in. inlet duct to a top reversal box through an opening in the building. The EE was inside the building between the inlet duct and reversal box. When the inlet duct unexpectedly came through the opening, it struck the injured employee in the head causing severe head injury resulting in death on 6/19/2007.
Struck by falling object
WHILE ON THE GROUND SPOTTING FOR THE MAINTENANCECREW HE WAS STRUCK ON THE HEAD BY A DUST COLLECTOR BAG FULL OF LIME. EMPLOYEE WAS PRONOUNCED DEAD AT THE SCENE BY THE CORONER.
Struck against stationary object
THE DECEASED WAS ASKED TO EXAMINE A CORNER OF A PILLAR BY THE SCALERS. HE GOT IN HI-RANGER BASKET W/O FALL LPROTECTION OVER THE OBJECTION OF SCALER (1 1/2 YRS EXP). WHILE INSPECTING THE PILL AR, THE BASKET BECAME HUNG UP ON THE SIDE OF THE PILLAR, WHEN IT BROKE FREE. THE BOOM SPRUNG AND THREW BOTH MEN OUT. THE SCALER WAS SAVED BY HIS FALL PROTECTION. THE POWDERMAN FELL APPROX 5