According to volume = bottom area * height, original height = volume/bottom area =6m, and excavation depth ÷ 1.5m, current height =6+ 1.5=7.5m, and current capacity = 3 14 * 7.5 = 2355m3.
Formula: 1844/3 14=6m.
3 14*(6+ 1.5)=2355 (m3)
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