You are excavating a location for the vault. The total volume for excavation is 900 bank cubic yard. The front-end loader excavating the vault has an output of 200 bank cubic yards of common earth per hour. It loads a fleet of four trucks (capacity 18 loose cubic yards each) that haul the earth to a fill where it is compacted with a shrinkage factor of 10%. Each truck has a total cycle time of 15 min, assuming it does not have to wait in line to be loaded. The earth has a swell factor of 20%.Which of the following is closest to the productivity of the fleet of 4 trucks? Which of the following is closest to the productivity of the front-end loader? 1. 302 loose cubic yards (1) 260 loose cubic yards
2. 292 loose cubic yards (2) 230 loose cubic yards
3. 306 loose cubic yards (3) 248 loose cubic yards
4. 288 loose cubic yards (4) 236 loose cubic yards
5. 296 loose cubic yards (5) 200 loose cubic yards
6. 282 loose cubic yards (6) 218 loose cubic yards
7. 270 loose cubic yards (7) 240 loose cubic yards