1.. Given below are the details for the construction of a 20-m long channel. Determine the volume of the soil to be excavated using the average-end area formula. f 3.5 4.9 *+ 3.8 8.0 5.1 4.0 3.5 9.0 4.0 3.6 8.0 8.8 3.8 ↑ 3.7

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Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.