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採 購 90 Arrival Marshaling Toilet cleaning Refueling Catering load Garbage dmp Marshaling Departure Simplified Aircraft Services Item Master File Service No Service Name LT ph X Arrival 0 y Y Departure 0 y A Marshaling 0 n B T oilet cleaning 0 n C Refueling 0 n D Catering load 0 n E Garbag e du mping 0 n 1 2 3 4 5 6 7 8 9 10 11 12 A A B(Toilet cleaning) X Y C(refueling) D(Catering load) E(Garbage dumping) EST LST Service Schedule X A (QP=1) (OT=0) Y A (QP=1) (OT=1) B (QP=2) (OT=1) B (QP=2) (OT=2) C (QP=1) (OT=1) D (QP=3) (OT=1) D (QP=3) (OT=2) E (QP=1) (OT=1) Bill Of Material (Service) BOM File Pare nt Com pon ent Qty per Of fset T im e X A 1 0 Y A 1 1 A B 2 1 A B 2 2 A C 1 1 A D 3 1 A D 3 2 A E 1 1 t i m e 1 2 3 4 5 6 7 8 9 10 11 12X 1Y 1Arrival/Departure Schedule (MPS) Remark: Aircraft is scheduled to arrive at the beginning of time 1, and depart at the beginning of time 12. The arrival and departure marshaling have to be on time 1 and 11, respectively. (unit=30min) Service Requirement Planning ti m e 1 2 3 4 5 6 7 8 9 10 11 12R eq. 1S ch l 1X ti m e 1 2 3 4 5 6 7 8 9 10 11 12R eq. 1Sc h l 1A Service Requirement Planning T im e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1Sc h l. 1Y T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1 1Sch l . 1 1A Remark: The aircraft departs at the beginning of period 12, so the marshaling has to be pleted in period 11. T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 4 Sch l . 2 2 T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1Sch l . 1A B T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1 Sch l . 1 C Service Requirement Planning T i m e 1 2 3 4 5 6 7 8 9 10 11 12Req. 1 Sch l . 1 T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 1Sc h l . 1A D Service Requirement Planning T i m e 1 2 3 4 5 6 7 8 9 10 11 12Re q. 6 Sch l . 3 3 E Summarized Service Requirements T ime1 2 3 4 5 6 7 8 9 10 11 12A 1 1B 2 2C 1D 3 3E 1 Capacity/Load Balancing ? The system schedules all the flights in MSS, then use MRP procedure to calculate all the serv