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Dow Chemical

Dow Chemical. DFD Diagram Presented By: Chris williams Sugi Terbish Carl smith. Business Background. Dow Chemical is a world-wide leading supplier of plastic resins and material science innovations As of 2008 Annual sales $57.4 billion 46,000 employees worldwide

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Dow Chemical

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  1. Dow Chemical DFD Diagram Presented By: Chris williams SugiTerbish Carl smith

  2. Business Background Dow Chemical is a world-wide leading supplier of plastic resins and material science innovations As of 2008 • Annual sales $57.4 billion • 46,000 employees worldwide • 150 manufacturing sites in 35 countries • Produce 3,300 different products

  3. Business Background • Dow Houston Operations located in Deer Park, TX • Complex covers 139 acres • Produces and sells more than 500 million pounds of product annually • Products are shipped via rail, truck, and pipeline • Employs more that 375 employees and contractors.

  4. Business Need • Provide a business database to keep better track of incoming and outgoing shipments of raw materials and product • Keep track of the raw materials used in production of Dow’s products: • what vendors the product was purchased from • how it was delivered to the company (via truck, train, or pipeline) • how it was delivered to the buyer (via truck, train, or pipeline) • Determine the ROP based on flow of inventory per quarter

  5. CONTEXT DIAGRAM • EXTERNAL ENTITIES • Customer • Warehouse • Vendor • Manager • PROCESS Dow Chemical Inventory System

  6. Context Diagram

  7. LEVEL 0 DIAGRAM • EXTERNAL ENTITIES • Customer • Warehouse • Vendor • Manager • PROCESSES 1. Customer Processing 2. Fill Order 3. Inventory Verification Process 4. Materials Order 5. Create Invoice 6. Report Processing • DATA STORE • Customer Data • Orders • Merchandise • Invoice Data • Vendor Data

  8. LEVEL 0 DFD

  9. LEVEL 1 DFD FOR PROCESS 1 • PROCESSES • 1.1 Create Customer Account • 1.2 Retrieve Customer Account • DATA STORE • Customer Data

  10. LEVEL 1 DFD FOR PROCESS 1

  11. LEVEL 1 DFD FOR PROCESS 2 • PROCESSES • 2.1 Order Processing • 2.2 Verify Order • DATA STORE • Orders

  12. LEVEL 1 DFD FOR PROCESS 2

  13. LEVEL 1 DFD FOR PROCESS 4 • PROCESSES • 4.1 Order New Materials • 2.2 Receive Materials • DATA STORE • Vendor Data

  14. LEVEL 1 DFD FOR PROCESS 4

  15. Questions???

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