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When the width is 10 sq.m in plan area and excavation exceeding 1.5 m with depth not exceeding 30 cm, it is termed as?

When the width is 10 sq.m in plan area and excavation exceeding 1.5 m with depth not exceeding 30 cm, it is termed as? Correct Answer Surface excavation

Surface excavation is required to be done when the width is 10 m2 in plan area and excavation exceed 1.5 m with depth not exceeding 30 cm.

As width is very large compared to depth, so surface excavation is done.

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