Table 3.2. Summary of Main Inputs and Results of the Economic Analysis Pavement Base Revised Economic Surface Type Revised Financial Costs Width Initial Year Analysis Length Location Alternative Roughness 2007 Total Cost NPV at 12% (km) Cost per km NPV/Cost (IRI m/km) ADDT Existing Appraised Existing New (US$, (US$, (US$) Ratio Range millions) millions) A Gravel DBST/CSB 11 5.0 9.5 14.0 779 9.008 818,919 13.94 1.548 B Gravel AC/CSB 11 5.0 9.5 14.0 779 11.000 1,000,000 12.56 1.142 A Gravel DBST/CSB 63 5.0 9.5 17.0 330 51.592 818,919 11.74 0.228 B Gravel AC/CSB 63 5.0 9.5 17.0 330 63.000 1,000,000 4.36 0.069 AC = Asphalt Concrete; ADDT = ; CSB = Crushed Stone-Base; IRI = International Roughness Index; Economic costs in the economic analysis were Note: calculated to be 91.9 percent of financial costs. The combined project EIRRs are derived from the HDM-4 output tables.
Table 3.2. Summary of Main Inputs and Results of the Economic Analysis Location Alternative Surface Type Length (km) Pavement Width Initial Roughness (IRI m/km) Base Year 2007 ADDT Range Revised Financial Costs Revised Economic Analysis Existing Appraised Existing New Total Cost (US$, millions) Cost per km (US$) NPV at 12% (US$, millions) NPV/Cost Ratio A B Gravel Gravel DBST/CSB AC/CSB 11 11 5.0 5.0 9.5 9.5 14.0 14.0 779 779 9.008 11.000 818,919 1,000,000 13.94 12.56 1.548 1.142 A B Gravel Gravel DBST/CSB AC/CSB 63 63 5.0 5.0 9.5 9.5 17.0 17.0 330 330 51.592 63.000 818,919 1,000,000 11.74 4.36 0.228 0.069 Note: AC = Asphalt Concrete; ADDT = ; CSB = Crushed Stone-Base; IRI = International Roughness Index; Economic costs in the economic analysis were calculated to be 91.9 percent of financial costs. The combined project EIRRs are derived from the HDM-4 output tables.
cleared-ICR-P092837-docx-09292017.docx