CHAPTER 8 8.1 A project requires clearing and grubbing 87 acres of light vegetation, small trees, and brush. A 250-hp dozer, operating with a 16-ft effective cutting blade, will perform the clearing. The dozer will operate in first gear at 2.3mph during clearing. It will cost $$1,500 to transport the dozer to and from the job. The hourly cost of the dozer with operator is $130.00/hr. Assume a 45-min. effective hour and estimate the total time and cost, and the cost per acre for clearing. How many total time were spent for clearing? A. 50.2hr B. 31.5hr C. 108hr D. 113hr What is the estimated total cost for clearing? A. $611.57 B. $1699 C. $5,595.00 D. $51,457.94 What is the estimated cost per acre for clearing? A. \$71.1/acre B. $56.99/ acre C. $66/ acre D. $64.31/acre