A hydraulic excavator is excavating the basement for a large building. Heaped bucket capacity is 1.5 cu yd

(1.15 m3). The material is common earth with a bucket fill factor of 0.90. Job efficiency is equivalent to a 50-min hour. The machine’s maximum depth of cut is 24 ft

(7.3 m3), and the average digging depth is 13 ft (4.0 m).

The material is common earth with a bucket fill factor of 0.90. Job efficiency is equivalent to a 50-min hour.

Average swing angle is 90°. Estimate the hourly production in loose measure.