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A recent HSE investigation has found that piston actuators fitted to safety critical foot valves on LPG road tankers may not operate on demand at low temperatures created by a loss of containment.
The use of any vehicle at a quarry will generally involve a risk of the vehicle overturning. Quarry edge protection should be designed to overturn a vehicle in order to arrest its progress if all other systems have failed.
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HSE aims to reduce work-related death, injury and ill health.