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21.5 km of gravel road requires reshaping and leveling. You estimate that a motor grader will require two passes at 4.8 km/hr, three passes
21.5 km of gravel road requires reshaping and leveling. You estimate that a motor grader will require two passes at 4.8 km/hr, three passes at 6.4 km/hr, one pass at 8.0 km/hr to accomplish the work. How many grader hours will be required for this work if job efficiency factor is 0.86?
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Small Business Management Entrepreneurship and Beyond
Authors: Timothy s. Hatten
5th edition
538453141, 978-0538453141
