downtime due to machine malfunctioning, holidays, and so on. As indicated in Appendix 1, the proposed has palm oil mill y capacitfor milling 00 kg5 FFB/hr, and 5,000kg of FFB/day. But an average milling rate of 2,500kg of FFB/day (50 percent of installed capacity) is assumed, which sum up to 750,000kg of FFB for a working year.