Question

2. A shovel with a 5-cy heaped capacity bucket is loading well-blasted rock (bucket fill factor: 90%) on a highway project. Ideal cycle time is 20 seconds. Average height of excavation is 20 ft, and the average angle of swing will be 90 degrees. The maximum digging height is 40ft. (Use 50% of optimum digging height, hard-to-load material). The efficiency factor will be a 30-minute per hour. What is the production in bank cubic yard?

Answer 1