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Please read this before using presentation
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This presentation is based on content presented at the Mines Safety
Roadshow held in October 2013
It is made available for non-commercial use (e.g. toolbox meetings,
OHS discussions) subject to the condition that the PowerPoint file is not
altered without permission from Resources Safety
Supporting resources, such as brochures and posters, are available
from Resources Safety
For resources, information or clarification, please contact:
RSDComms@dmp.wa.gov.au
or visit
www.dmp.wa.gov.au/ResourcesSafety
www.dmp.wa.gov.au/ResourcesSafety
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Mobile equipment issues
What needs attention?
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What can go wrong?
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Contact and collisions
Vehicle over edges
Run-away vehicles
Fit-for-purpose
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Is mobile equipment getting away from us?
Number of notifiable incidents
involving loss of control
200
150
100
50
0
2007-08
2008-09
2009-10
2010-11
2011-12
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2012-13
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Contact and collisions
• Size, weight and power of mobile machinery used in mining
operations present significant hazards to people and
equipment in area of operation
• In particular, an operator has restricted view of
surroundings
Resources:
• Mines Safety Matters pamphlet Working near large mobile equipment
• Mines Safety SIR No. 176 Light vehicle collides with stationary loader
• Mines Safety SIR No. 152 Haul truck and light vehicle collision
• Mines Safety SIR No. 132 Mine haul truck runs over a light vehicle following a
driver change
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Mines Safety Significant Incident Report No. 132
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Effective controls
• Segregation of vehicles, work groups and
pedestrians
• Route segregation
• Proximity devices and cameras
What else?
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What can cause a vehicle to go over the edge?
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Too close to edge
Too steep
Too fast
Ground instability
Poor road design
Poor road maintenance
What else?
Resources:
• Mines Safety Matters pamphlet Working near large mobile equipment
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Is anything missing from this dump zone?
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Question time
• How does your mine prevent vehicles going over an
edge?
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Effective controls
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Large windrows
Effective back stop
Edge preparation (dozers)
Dump short
Paddock dumping
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What can cause run-aways?
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Not applying park-brake
Vehicles left running and unattended
Parking on slopes
Misuse or lack of chocks or bunds
Excessive speed
Loss of traction
Resources
• Mines Safety Bulletin No. 106 Loss of control of service vehicles on
declines in underground mines
• Mines Safety Bulletin No. 81 Unattended vehicles rolling away
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What about your site?
• What park-up procedures are in place?
• What procedures are there to manage a run-away?
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What precautions would be required for this road train if
it was on your mine site?
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Effective controls
Run-aways
• Parking – spoon drain or mound
• Ramp park-up procedure (turn into windrow or wall)
• Lock-off or limit available gears
• Speed limiters, engine braking
• Run-off sand trap
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Is it fit-for-purpose?
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On-road versus off-road mobile equipment
Braking systems
Engine braking and retardation
Gear selection and transmission (manual and
automatic)
• Load capability
Resources:
• Mines Safety Bulletin No. 106 Loss of control of service vehicles on
declines in underground mines
www.dmp.wa.gov.au/ResourcesSafety
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Question: How will it perform on a decline?
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Answer: Possibly not very well! Do a detailed risk assessment.
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Question time
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What is fit-for-purpose?
Why is fit-for-purpose important?
Do you check the design criteria?
Do you risk assess for mine conditions?
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Focus on prevention and controls
Check out Resources
Safety’s traffic
management audit
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