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C Items Maintenance Dependent Operating Inventory Classifications Transparency Masters to acpany Operations Management, 5E (Heizer Render) 149 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 Item Materials With Independent Demand Materials With Dependent Demand Demand Source Company Customers Parent Items Material Type Finished Goods WIP Raw Materials Method of Estimating Demand Forecast Booked Customer Orders Calculated Planning Method EOQ ROP MRP Dependent versus Independent Demand Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1410 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 Inputs to the Production Plan Production Plan Marketing Customer Demand Engineering Design Completion Management Return on Investment Capital Human Resources Manpower Planning Procurement Supplier Performance Finance Cash Flow Production Capacity Inventory Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1411 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 Requirements for Effective Use of Dependent Demand Inventory Models Effective use of dependent demand inventory models requires that the operations manager know the: 168。 master production schedule 168。 specifications or billsofmaterial 168。 inventory availability 168。 purchase orders outstanding 168。 lead times Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1412 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 The Planning Process Production Plan Execute Material Plans Master Production Schedule Material Requirements Plan Capacity Requirements Plan Execute Capacity Plans Realistic?? No Yes Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1413 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 Typical Level for the Master Schedule 168。 A customer order in a job shop (process focused/make to order) pany 168。 Modules in a repetitive (assembletostock) pany 168。 An end item in a continuous (product focused/make to stock) pany Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1414 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 168。 List of ponents quantities needed to make product 168。 Provides product structure (tree) 168。 Parents: Items above given level 168。 Children: Items below given level 168。 Shows lowlevel coding 168。 Lowest level in structure item occurs 168。 Top level is 0。 next level is 1 etc. BillofMaterial Transparency Masters to acpany Operations Management, 5E (Heizer Render) 1415 ?1998 by Prentice Hall, Inc. A Simon Schuster Company Upper Saddle River, . 07458 168。 Modular bills 168。 Modules are final ponents used to make assembletostock end items 168。 Planning bills 168。 Used to assign artificial parent 168。 Reduces number of