A 3500′ long canal trench is excavated to 7′ depth. The trench has a 3′-6″ wide base. The sides are scoped at 1:1. Each hoe excavates 27.5 cy/hr., soil expands 20%.What range of hours is estimated to excavate the trench with the power hose?

A 3500′ long canal trench is excavated to 7′ depth. The trench has a 3′-6″ wide base. The sides are scoped at 1:1. Each hoe excavates 27.5 cy/hr., soil expands 20%.What range of hours is estimated to excavate the trench with the power hose?