A department of transportation is considering widening lanes on major highways from 6 m to 7.5...
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A department of transportation is considering widening lanes on major highways from 6 m to 7.5 m. The objective is to reduce the accident rate. Accidents have both material and human costs. Data for the highway section are found below. a) Compute the present worth of costs of lane-widening. b) Compute the present worth of savings of non-human accident costs. c) Compute the present worth of the savings of serious personal injury d) What is the BCR of the project? What is the BCRM of the project? Item Data Accidents per 100 000 000 vehicle-kilometers in 6 m lanes 150 Accidents per 100 000 000 vehicle-kilometers in 7.5 m lanes 90 Serious personal injuries per accident 10% Average non-human cost per accident ($) 2500 Average cost of personal injuries per accident ($) 40 000 Annual road use (vehicles) 7 500 000 First cost per kilometer ($) 175 000 Operating and maintenance costs per kilometer/year ($) 7 500 Project life (years) 25 MARR 10% A department of transportation is considering widening lanes on major highways from 6 m to 7.5 m. The objective is to reduce the accident rate. Accidents have both material and human costs. Data for the highway section are found below. a) Compute the present worth of costs of lane-widening. b) Compute the present worth of savings of non-human accident costs. c) Compute the present worth of the savings of serious personal injury d) What is the BCR of the project? What is the BCRM of the project? Item Data Accidents per 100 000 000 vehicle-kilometers in 6 m lanes 150 Accidents per 100 000 000 vehicle-kilometers in 7.5 m lanes 90 Serious personal injuries per accident 10% Average non-human cost per accident ($) 2500 Average cost of personal injuries per accident ($) 40 000 Annual road use (vehicles) 7 500 000 First cost per kilometer ($) 175 000 Operating and maintenance costs per kilometer/year ($) 7 500 Project life (years) 25 MARR 10%
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A Present worth of costs of lane widening 362500 per km B Present worth of nonhuman accident costs 2... View the full answer
Related Book For
Operations Management Creating Value Along the Supply Chain
ISBN: 978-0470525906
7th Edition
Authors: Roberta S. Russell, Bernard W. Taylor
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