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Block Diagramming

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  • 1. A PresentationonBlock and Relationship DiagrammingSubmitted to:- Submitted By:-Mr. S.K. Gupta Veeraj Vashishtha(Professor Operations) (NU- MBA Year 1) Veeraj Vashishtha NU-MBA
  • 2. What are Blocks? Veeraj Vashishtha NU-MBA
  • 3. Shipping Assembling ShippingFinishing Unit Production Veeraj Vashishtha NU-MBA
  • 4. Block Diagramming Block Diagramming is a technique of designing a process layout and is used when quantitative data is available. Block diagramming is one way to visualize the amount of movement that occurs between departments. Different blocks represent different departments of the organization. The main objective is to reduce the transportation cost Veeraj Vashishtha NU-MBA
  • 5. Production AssemblingShippingShipping Finishing Unit Veeraj Vashishtha NU-MBA
  • 6. Terms used in Block Diagramming Unit Load: Refer to the quantity in which material is moved/transported from one department to the other. Non Adjacent Load: Refer to the load between departments which are not adjacent in their location. Veeraj Vashishtha NU-MBA
  • 7. Process of Block Diagramming • Create a Load Summary ChartStep 1 • Calculation of Composite MovementStep 2 • Preparation of Trial LayoutsStep 3 Veeraj Vashishtha NU-MBA
  • 8. Example of Block Diagramming (cont.) Step 1: Load Summary Chart Department 1 2 3 4 5 6 1 -- 20 20 80 2 -- 10 75 3 -- 15 90 4 -- 70 5 -- 6 -- Veeraj Vashishtha NU-MBA
  • 9. Example of Block Diagramming (cont.) Step 1: Gather Information (Initial Layout) 2 4 3 6 5 1 Veeraj Vashishtha NU-MBA
  • 10. Example of Block Diagramming(contd)Step 2: Calculation of composite Movements 10 Veeraj Vashishtha NU-MBA
  • 11. Example of Block Diagramming (cont.) Step 3: Develop a block plan (Show new traffic) 5 70 4 15 3 75 20 90 20 80 2 1 6 10 Veeraj Vashishtha NU-MBA
  • 12. Exercise on Block Diagramming Load Summary Chart 1 2 3 FROM/TO DEPARTMENT Department 1 2 3 4 5 1 — 100 50 2 — 200 50 4 5 3 60 — 40 50 4 100 — 60 5 50 —Initial Layout Veeraj Vashishtha NU-MBA
  • 13. GRID 1. 110 100 200 1 2 3 150 50 50 60 4 5 40 Veeraj Vashishtha NU-MBA
  • 14. Solution. Final Chart Nonadjacent Loads: 02 3 200 loads2 4 150 loads1 3 110 loads By adding the1 2 100 loads loads of 1 to 34 5 60 loads i.e.50 & 100 1503 5 50 loads 3 to 1 1 2 42 5 50 loads i.e.60 200 50 40 603 4 40 loads 1101 4 0 loads 501 5 0 loads 3 5 Grid 2 Veeraj Vashishtha NU-MBA
  • 15. Relationship Diagramming Schematic diagram that uses weighted lines to denote location preference and is used when quantitative data is not available. Muther’s grid  format for displaying manager preferences for department locations Veeraj Vashishtha NU-MBA
  • 16. RelationshipDiagramming: Example A Absolutely necessary E Especially important I Important O Okay U Unimportant Production X Undesirable O Offices A U I Stockroom O E A X A Shipping and U U receiving U O Locker room O O Toolroom Veeraj Vashishtha NU-MBA
  • 17. Relationship Diagrams: Example (cont.) Veeraj Vashishtha NU-MBA
  • 18. Relationship Diagrams: Example (cont.) (b) Relationship diagram of revised layout. Stockroom Offices Shipping and receiving Locker Key: AToolroom Production room E I O U X Veeraj Vashishtha NU-MBA
  • 19. Veeraj Vashishtha NU-MBA