The PDP (Master Production Schedule) is the plan that translates the PIC/S&OP into precise quantities to produce or procure, item by item and period by period, usually the week, over a shorter and much more detailed horizon than the sales and operations plan it derives from.
The bridge between tactical planning and execution
Where the PIC/S&OP works with broad product families over a horizon of several months, the PDP drills down to the level of the sold item: it specifies how many units of a given product must be available, week after week, to cover both firm orders already booked and remaining sales forecasts. It thus forms the main input to materials requirements planning (MRP), which then breaks this demand down into components, raw materials and sub-assemblies to order or manufacture, taking bills of materials and supplier lead times into account.
A well-run PDP must stay consistent with the commitments made at the PIC level (same overall volumes, same rolling horizon) while remaining achievable given the capacity available in the short term. It's generally revised more frequently than the PIC, as customer orders firm up and initial forecasts turn into confirmed demand, which makes it the true link between the company's strategic planning and the operational scheduling of production.
The PDP generally distinguishes a near horizon, where quantities are considered firm and hard to change without cost, from a more distant horizon that can still be adjusted based on forecasts. This distinction is what makes it possible to reconcile the stability suppliers and shop floors need with the flexibility that rarely fully predictable commercial demand requires.
FAQ
What's the difference between the S&OP/PIC and the PDP?
The S&OP (or PIC) works with broad product families over a horizon of several months. The PDP is its detailed breakdown: it sets precise quantities by item and by short period, generally the week, consistent with the overall volumes validated in the S&OP.
What role does the PDP play in materials requirements planning (MRP)?
The PDP feeds the MRP calculation with the item-level demand to be covered, period by period. MRP then breaks this demand down into component and material requirements, taking into account bills of materials and the lead time at each level.
Related terms
S&OP / PIC · MRP / DDMRP · Scheduling · Lead time · Logistics KPI · Push / pull flows.
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