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Two alternative infrastructure renewal plans are being considered for a city's civil systems in its downtown area. The alternative plans (A and B) differ from each other in terms of three performance criteria: (a) life-cycle economic value (NPV), (b)consistency with the city's long-range plans, and () effects on the environment. As the engineering consultant, you have been hired to advice the city government on which of two plans is the best to implement. You are evaluating these plans based on the three performance criteria. For each alternative plan, the level of each performance criterion is given in the table below. NPV: In millions Consistency Rating: Index 0-20 (o is worst, 20 ks best) For this. a higher index is more desirable 10 15 Environmental Consequences: Index 0-50 (o is best, 50 is worst. For this. a higher index is less desirable 25 35 Plan A Plan B 7.0 5.0 Using the concepts of weighting, scaling, and amalgamation, determine which of the two plans would you recommend for the downtown renewal. Use the table below. See Appendix 1 for the relative weights between the performance criteria; and see Appendix 2 for the scaling functions for each performance criterion. 2 OVERALL VALUE OR UTILITY Economic Value (NPV) Weight = Consistency Rating Weight= Environmental Consequences Weight = System Plan A Scaled = Weighted & scaled = Scaled Weighted & scaled = Scaled Weighted & scaled U: Scaled = Weighted & scaled Scaled Weighted & scaled Scaled = Weighted & scaled = Uz = Based on the U values, the superior alternative is APPENDIX 1 (Weights of the Performance Measures) The relative importance among the performance criteria are as follows: Cast 0.50 Consistency with existing plans 0.30 Environnemental impacts 0.20 APPENDIX 2 (Utility Functions for Scaling of the Performance Criteria) 100 75 Your Degree of Satisfaction% 50 25 0 8 5 6 7 Net Present Value (Smillions) 100 100 75 75 Your Degree of Satisfaction (%) 50 Your Degree of Satisfaction (%) 50 25 25 0 0 0 20 5 10 15 20 25 30 35 8 40 Consistency with existing plans (Index) Environmental Consequences (Index) Two alternative infrastructure renewal plans are being considered for a city's civil systems in its downtown area. The alternative plans (A and B) differ from each other in terms of three performance criteria: (a) life-cycle economic value (NPV), (b)consistency with the city's long-range plans, and () effects on the environment. As the engineering consultant, you have been hired to advice the city government on which of two plans is the best to implement. You are evaluating these plans based on the three performance criteria. For each alternative plan, the level of each performance criterion is given in the table below. NPV: In millions Consistency Rating: Index 0-20 (o is worst, 20 ks best) For this. a higher index is more desirable 10 15 Environmental Consequences: Index 0-50 (o is best, 50 is worst. For this. a higher index is less desirable 25 35 Plan A Plan B 7.0 5.0 Using the concepts of weighting, scaling, and amalgamation, determine which of the two plans would you recommend for the downtown renewal. Use the table below. See Appendix 1 for the relative weights between the performance criteria; and see Appendix 2 for the scaling functions for each performance criterion. 2 OVERALL VALUE OR UTILITY Economic Value (NPV) Weight = Consistency Rating Weight= Environmental Consequences Weight = System Plan A Scaled = Weighted & scaled = Scaled Weighted & scaled = Scaled Weighted & scaled U: Scaled = Weighted & scaled Scaled Weighted & scaled Scaled = Weighted & scaled = Uz = Based on the U values, the superior alternative is APPENDIX 1 (Weights of the Performance Measures) The relative importance among the performance criteria are as follows: Cast 0.50 Consistency with existing plans 0.30 Environnemental impacts 0.20 APPENDIX 2 (Utility Functions for Scaling of the Performance Criteria) 100 75 Your Degree of Satisfaction% 50 25 0 8 5 6 7 Net Present Value (Smillions) 100 100 75 75 Your Degree of Satisfaction (%) 50 Your Degree of Satisfaction (%) 50 25 25 0 0 0 20 5 10 15 20 25 30 35 8 40 Consistency with existing plans (Index) Environmental Consequences (Index)