NPORS Plant Operator Theory Practice Questions - UK NPORS Plant Operator Theory Test (N001 N202) Exam

What rule of thumb minimum clearance distance should plant equipment maintain from the edge of an un-shored excavation?

10 meters for light plant and 20 meters for heavy track excavators At least equal to the depth of the excavation, or minimum 1 to 1.5 meters from the trench edge 50 centimeters regardless of trench depth or soil type Directly along the edge lip to maximize excavation outreach

Correct Answer:

At least equal to the depth of the excavation, or minimum 1 to 1.5 meters from the trench edge

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