You are recently hired a Project Manager at a local construction company. Your company has been awarded a new civil project and as part of this project, the estimating team bid the job using a...

You are recently hired a Project Manager at a local construction company. Your company has been awarded a new civil project and as part of this project, the estimating team bid the job using a dozer/scraper combination to complete the work at $1.25/cy. Your boss has asked you to determine if feasible to instead use an excavator/truck combination in order to potentially increase profitability on the job for your company. Review the data below and make your assessment/comparison as well as your recommendation on whether to use dozer/scraper or excavator/truck. In addition, whichever operation combination you recommend (either staying with the dozer/scraper combination or going to excavator/truck combination) your supervisor also asked you to create a Project Safety Toolbox Talk highlighting important safety considerations that you would present at the job site on the first day of the project kickoff in the field.Project Givens & Parameters:

• All equipment carries a rated heaped capacity, has a fill factor = 100%
• Plan to use 45-min hours.
• Excavator costs $95/hr (including operator), cycle time is 0.28 min, and bucket heaped capacity is 5.0 cy.
• Truck costs $150/hr (including operator), dump time is 0.5 min. (maneuver, dump, turn), heaped capacity is 31.7 cy, and 12 trucks are available for the project. Hauling equipment operates in one direction from A to B to C and finally to D