1 You are assigned to a project which consists of dozing 250

1. You are assigned to a project which consists of dozing 25,000 CY of wet silty material out of a drainage channel. You have an excellent operator available to do the work. The work must be completed in 7 shifts with 8 hours per shift. The job efficiency is 90% and you will be dozing up a 10% grade. You will be dozing 250ft. and will utilize the slot dozing technique. What is the minimum size dozer utilizing an SU blade which you will need to get the job done on time?

Solution

7shift and 8hr per shift then total no.of hour will be

8*7=58hrs

Total work done =25000/58

=431.01

431.01*.9

=387.9

size of dozer will be D6