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Two delivery methods have been proposed for a standard delivery method for new bridge constructions in Oregon to overcome traditional design-bid-build models that do not

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Two delivery methods have been proposed for a standard delivery method for new bridge constructions in Oregon to overcome traditional design-bid-build models that do not adequately account for site conditions and constructability, and often lead to additional expenses. One alternative must be selected to represent the delivery method specified in the RFP. Based on data from recent bridge construction projects of comparable size, we can estimate the savings from reduced redesign costs, risk management costs, and overhead costs during the life of the construction contract over the traditional delivery model. The estimated costs of a 1.5 year contract are the following: Use a MARR of 4\% APR, compounded monthly. a. What is the PW of the CM/GC Model? dollars b. What is the PW of the DB model? dollars c. Based on parts a and b, which model should be selected? Both CM/GC and DB DB ranirer Two delivery methods have been proposed for a standard delivery method for new bridge constructions in Oregon to overcome traditional design-bid-build models that do not adequately account for site conditions and constructability, and often lead to additional expenses. One alternative must be selected to represent the delivery method specified in the RFP. Based on data from recent bridge construction projects of comparable size, we can estimate the savings from reduced redesign costs, risk management costs, and overhead costs during the life of the construction contract over the traditional delivery model. The estimated costs of a 1.5 year contract are the following: Use a MARR of 4\% APR, compounded monthly. a. What is the PW of the CM/GC Model? dollars b. What is the PW of the DB model? dollars c. Based on parts a and b, which model should be selected? Both CM/GC and DB DB ranirer

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