Supplier A

SupplierD

Workshop A

Workshop B

Workshop C

Supplier B

Supplier C

Supplier A

Rolling stockmanufacturer

Workshop B

Workshop A

Workshop C

Supplier B

Supplier C

SupplierD

“classic” Sourcing Cooperative materials management

• Decentralized storage at railway-operator‘s workshops

• Railway operator is responsible for availability of spares

• Workshops are supplied individually by all relevant suppliers

• Cross-transportation between workshops or emergency deliveries from suppliers in case of stock-outs

• Parts are owned by railway-operator

• Parts are stored centrally at the manufacturers warehouse

• Manufacturer is responsible for availability of spares

• Stock at workshops covers only short term demand

• Continuous stock replenishment by manufacturer, express deliveries in case of unplanned excess demand

• Suppliers deliver to central warehouse

• Parts are owned by rolling stock manufacturer