FO+JPCP 50 + $91,000 8 Truck lanes $700 SR LE* (18 ln-km) 75 mm 50 + Calculated 15 Passenger $4800 Overlay LE* lanes (14 ln-km) FO+JPCP 50 + $91,000 7 Truck lanes $700 SR LE* (18 ln-km) + 8 Repeat 50 + Same as 50 + Truck lanes $700 TICP LE* initial LE* (18 ln-km) + 15 TICP 75 mm 50 + Calculated 15 Passenger $4800 Overlay LE* lanes (14 + 15 ln-km) * Life Extension (LE) additional solved for in life extension analyses, equal to zero in TICP PCC thickness analyses. ** Annual maintenance cost for TICP and longer life overlays includes the cost of patching and other maintenance towards the end of life of the overlay, and includes the cost of periodic replacement of the overlay for the very long design lives of the TICP overlays. This value comes from the Caltrans LCCA Manual. Table 3 Caltrans Case 1 TICP Design 2 maintenance and rehabilitation schedule Item Year Design Lanes Annual Life Maintenance Cost/ln-mi Initial 0 Calculated 30 + Reconstruct $4800*** TICP LE* PCC/base in truck lanes (18 ln-km) and overlay all lanes (32 ln-km) FO+JPCP 30 + $91,000 8 Truck lanes $700 SR LE* (18 ln-km) 30 or 45 30 + Calculated 15 Passenger $4800 mm LE* lanes Overlay** (14 ln-km) FO+JPCP 30 + $91,000 7 Truck lanes $700 SR LE* (18 ln-km) + 8 Repeat 30 + Same as 30 + Truck lanes $700 TICP LE* initial LE* (18 ln-km) + 15 TICP
FO+JPCP SR 50 + LE* $91,000 8 Truck lanes (18 ln-km) $700 75 mm Overlay 50 + LE* Calculated 15 Passenger lanes (14 ln-km) $4800 FO+JPCP SR 50 + LE* + 8 $91,000 7 Truck lanes (18 ln-km) $700 Repeat TICP 50 + LE* + 15 Same as initial TICP 50 + LE* Truck lanes (18 ln-km) $700 75 mm Overlay 50 + LE* + 15 Calculated 15 Passenger lanes (14 ln-km) $4800 * Life Extension (LE) additional solved for in life extension analyses, equal to zero in TICP PCC thickness analyses. ** Annual maintenance cost for TICP and longer life overlays includes the cost of patching and other maintenance towards the end of life of the overlay, and includes the cost of periodic replacement of the overlay for the very long design lives of the TICP overlays. This value comes from the Caltrans LCCA Manual. Table 3 Caltrans Case 1 TICP Design 2 maintenance and rehabilitation schedule Item Year Design Life Lanes Annual Maintenance Cost/ln-mi Initial TICP 0 Calculated 30 + LE* Reconstruct PCC/base in truck lanes (18 ln-km) and overlay all lanes (32 ln-km) $4800*** FO+JPCP SR 30 + LE* $91,000 8 Truck lanes (18 ln-km) $700 30 or 45 mm Overlay** 30 + LE* Calculated 15 Passenger lanes (14 ln-km) $4800 FO+JPCP SR 30 + LE* + 8 $91,000 7 Truck lanes (18 ln-km) $700 Repeat TICP 30 + LE* + 15 Same as initial TICP 30 + LE* Truck lanes (18 ln-km) $700
Task_2_LCA.docx