Dependent requirements

What is secondary demand?

How many individual parts, raw materials or materials are required to manufacture a specific product or to produce spare parts? The value important for this is called secondary demand and thus describes a demand for materials etc. which are not sold directly (compare primary demand), but are indispensable for manufacturing and production.

How high the respective dependent requirements are can be determined on the basis of work schedules or parts lists, among other things. If such documents are not available, a procedure such as consumption-based planning is used, from which dependent requirements can be determined. A value can also be approximated with the help of so-called partial where-used lists.

Important: Unlike primary demand, which quantifies the need for saleable finished products or spare parts, secondary demand specifies the need for raw materials that are required to produce those same primary products.

Images:

Logistik Lexikon Sekundärbedarf

Image: NDAB Creativity / Shutterstock

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