Answer / d. baby

size of footing x depth of footing = earthwork qty
a x b x d = qty
total earthwork - isolated footing qty = earth filling

Answer / kumud ranjan jha

Excavation > is l x b x h
but filling is total excavation - pcc-rcc of footing up to NGL

Answer / ramcharan

Earth quantity = aria isolated footing + working margin
Earth filling quantity = earth quantity _ isolated footing

Answer / pradeep

isolated footing quantity is not is a x b x d.

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