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MAIN 220 Purchasing 5/21/2019
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Material Planning Objectives How to control inventory
3 methods to order and calculate quantity How to order parts using Grainger Why reducing inventory is good Part IV from Maintenance Manager Standard 5/21/2019
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Inventory Decisions What should you store? How much Lead time
Can you get it as fast as a vendor? How much Lead time Number of machines using the goods FOR MORE INFO... TCP TRAINING Preparing The Site (319) 5/21/2019
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8 Basic Inventory Decisions
What should you store How much How low can the supply go How High can the supply go Where should it be kept Who should you buy from When should you buy it and how much should you buy What price should you pay 5/21/2019
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ABC Inventory Control Pareto’s Law 20% of the inventory items account for 80% of the cost A Most Frequent B Less Frequent C Least Frequent FOR MORE INFO... Maintenance Manager’s Standard Guide P 5/21/2019
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Formulas for Cost Analysis
Optimum Number Formula Optimum Number Units per Order Optimum number of Day’s Supply per Order Numeric value determining number of units 5/21/2019
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4 Factors Affecting # of units
Volume Price Breaks Standing Orders Inventory Reductions Alternative Purchases or Substitutions 5/21/2019
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How to Reduce Inventory
Centralize in 1 location Redundancy Excess or Lack of Parts Material Coordinator 5/21/2019
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Maintaining Stores Control
Assigning responsibility for stores control Establishing procedures Computerized store controls Role of bar codes 5/21/2019
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Establishing Procedures for Store Controls
Acquisition –PO, Price Controls, Vendor, Quantity, Delivery ECT. Receipt – verification Disbursement – current quantity on hand Return – Flow of devices returned 5/21/2019
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Setting Up a Parts Classification
Stores Classification Major units of purchase Sub classifications Two-Bin system Allows for “C” organization Perpetual Inventory Record Either High Cost or High Turn over rate Need to actively monitor these goods 5/21/2019
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Computerized Systems and Bar Codes
Computerized tracking eliminates human eorroees! Flags inventory, databases locations and quantity issues Bar Code and ID badge control 5/21/2019
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Controlling Maintenance Tools
Tool Room Supervisor Tracking Tool Withdrawals Tracking Damaged Tool Returns Tool Tag List Tool Withdrawal Slip 5/21/2019
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