Life cycle cost The total deck area of a bridge in the city of Victoria is approximately 3,500 m2. Based on the Public Works Department database, the bridges require annual maintenance and major repair subsequent rehabilitations at 40-year and 50 years of age. repairlrehabilitation operations are 3 days and 2.5 weeks, respectively operation at year 25, and duration of maintenance and The The initial cost of the bridge is $850,631. The budget, inclusive of traffic management cost, allocated for the routine maintenance work is $10/m2 and for repair and rehabilitation work is S40/m and S60 bridge-deck, respectively For user cost, consider delay time cost (DTC) and vehicle operating cost (VOC) (additional costo additional cost of maintenance included). The user (MSADT) volumes for different vehicles are given in Table 4.1. fuel and cost and maintenance season average daily traffic Table 4.1: Details of the bridge in the city of Victoria MSADT Volume Vehiele type DTC, a (S/day) VOc,b (S/day) User cost, artb (Si/day) 1952 1626 233 198 6584 1.51 1.51 3.16 0.83 0.76 0.03 0.03 1.67 0.18 0.10 HGV LGV Buses Taxis Private cars 1.48 1.48 1.49 0.65 0.66 a) (5 marks) Determine the agency costs b) (5 marks) User cost, and c) (5 marks) Life cycle cost (LCC) for 5% discount rate and n-60 years service life