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APPENDIX B Threshold Equations Asset PEP Equation Property Equation Mission Equation Road Bridges Separated into primary $20,000/linear foot (ADT) (detour length) direction and (lf) 75th, 85th, 95th secondary direction-- percentile as thresholds for each, if relative to typical bridge vehicles/lane > 2400, inventory (Example is assume 40 vehicles/ based on the National 1000 ft. Otherwise Bridge Inventory) assume 7.5 vehicles/ 1000 fta Road Tunnels Separated into primary $100,000/lf User input for criticality direction and secondary direction-- for each, if vehicles/lane > 2400, assume 40 vehicles/ 1000 ft. Otherwise assume 7.5 vehicles/ 1000 fta Transit/Rail 4 (maximum Below ground are User input if transfer Station capacity of rail cars)b property critical station are critical Transit/Rail 2 (maximum $15,600/lf User input percentage of Bridge capacity of rail cars)b ridership that regularly use this transit/rail transportation asset Transit/Rail 2 (maximum $40,000/lf User input percentage of Tunnel capacity of rail cars)b ridership that regularly use this transit/rail transportation asset Administrative 1 person/175 sq ftc $210/sq ft Never critical unless so & Support designated by user Facilities Ferries Maximum capacity of User input of cost Never critical unless so ferry designated by user Fleets Maximum occupancy (Average cost per Never critical unless so of one fleet vehicle vehicle) (maximum designated by user number of vehicles) Input by user a Derived from the Highway Capacity Manual. TRB, National Research Council, Washington, DC, 2000. b Derived from NFPA 130: Standard for Fixed Guideway Transit and Passenger Rail. National Fire Protection Association, Quincy, MA, 2007. c Derived from NFPA 101: Life Safety Code . National Fire Protection Association, Quincy, MA, 2006. 112