industries, such as petrochemical, electrical power, and mining, maintenance related costs
may surpass operational cost (Raouf, 1993; De Groote, 1995; Eti et al., 2005; Parida and
Kumar, 2006). As such, close attention should be paid to maintenance performance measures,
measurement and management in order to utilize the scarce maintenance resources more
effectively, and in the process improve overall organizational efficiency and effectiveness.