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Surface » Machine Stability/Slope Indication
Design Philosophy:
Machine Stability/Slope Indication
Objective
The objective is to minimise risk related to equipment being operated outside its stability limits that leads to loss of vehicle control to ALARP, including consideration in design for foreseeable human error.
Outcome
The intended design outcome should include the following:
A design that is intended to automatically prevent operation beyond the equipment's stability limits and warn the operator of any incline or slope condition that threatens vehicle stability
The intended design outcome should consider:
- The machine does not exceed preset operating limits for speed, load, or combination of speed and load when travelling on grade through use of appropriate gear selection.
- The machine does not operate outside centre of gravity limits for stability.
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Risks to be Mitigated
Risk of loss of machine control while travelling on a grade due to gear selection or overspeed
(16 resources)
Risk of overloading machine resulting in loss of steering control, instability or equipment damage
(3 resources)
Risk of machine instability due to working outside limits of lifting capacity and operating radius
(6 resources)Examples of Industry Attempts to Mitigate Risks
Option (tilt switch) to shut down stockpile dozers when critical slope angle is exceeded/reached
(1 resources)
Overload alarm with machine load display
Release to stop tram controls
Machine operating slope indication
EMESRT Information