Transportation case part 4 Distribution resource planning (DRP)

Transcription

1 Transportation case part 4 Distribution resource planning (DRP) Roberto Pinto CELS Dept. of Engineering University of Bergamo Distribution resource planning DRP is a management process that determines the needs of inventory stocking locations (i.e. CDC, stores, warehouses ) It ensures that supply sources will be able to meet the demand, by comparing the required and available resources It recommends what actions must be taken to expedite or delay purchases and/or production, thereby synchronizing supply and demand 2 1

2 Distribution resource planning Sales forecast Customer orders Inventory levels+ safety stock policies Which product is needed When? How much? Where? Outstanding purchases Lead times Transportation modes Constraints (i.e. min lots) DRP Transportation capacity Space, manpower Production / purchasing levels 3 DRP logic Similar to MRP logic It time-phases future activities, predicting possible outcomes, and recommending actions 4 2

3 LT = 2 w LT = 1 w LT = 2 w Safety stock 200 Order qty 300 Milan Safety stock 75 Order qty 150 Rome Safety stock 100 Order qty 300 Palermo Adapted from Martin,

4 Project stock - = - = Identify critical points and define replenishments

5 Identify critical points and define replenishments =

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7 The same process is executed for the other customers A summary of planned shipments is therefore defined 13 Forecast Rome customer 14 7

8 Forecast Rome customer 15 Forecast Rome customer 16 8

9 Forecast Rome customer 17 Forecast Palermo customer 18 9

10 Forecast Palermo customer 19 : summary of transportation requir. Milan Rome Palermo Transport capacity

11 References Martin, A.J. (1995). Distribution Resource Planning, The gateway to true quick response and continual replenishment, Wiley Cavalieri, S., Pinto, R. (2007), Orientareal successo la supply chain, ISEDI 21 Credits CELS University of Bergamo Roberto Pinto Ph.D Logistics and Supply Chain Specialist