To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Group Technology Machine 1 Machine 2 Machine 3 Machine 4 Machine 5 Materials in Finished goods out Figure 7.4 One Worker, Multiple Machines

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Group Technology Figure 7.5 Drilling DD DD Grinding GG GG GG Milling MM MM MM Assembly AA AA Lathing Receiving and shipping L LL LL LL L (a) Jumbled flows in a job shop without GT cells

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Group Technology (b) Line flows in a job shop with three GT cells Cell 3 LM G G Cell 1 Cell 2 Assembly area A A L M D L L M Shipping D Receiving G Figure 7.5

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Department Area Needed (ft 2 ) 1. Administration3, Social services2, Institutions2, Accounting1, Education1, Internal audit3,400 Total15, ' 150' Office of Budget Management Figure 7.6

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management Trips between Departments Department Administration— 2. Social services— 3. Institutions— 4. Accounting— 5. Education— 6. Internal audit— ' 150'

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management   Departments 1 and 6 close together   Departments 3 and 5 close together   Departments 2 and 3 close together Figure ' 150' ' 150'

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management   Departments 1 and 6 close together   Departments 3 and 5 close together   Departments 2 and 3 close together Figure ' 150' ' 150'

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management   Departments 1 and 6 close together   Departments 3 and 5 close together   Departments 2 and 3 close together Figure ' 150' ' 150'

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management 100' 150'   Departments 1 and 6 close together   Departments 3 and 5 close together   Departments 2 and 3 close together Figure ' 150'

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Distance Measures Euclidian Distance Rectilinear Distance d AB = (x A – x B ) 2 + (y A – y B ) 2 d AB = |x A – x B | + |y A – y B |

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management 100' 150' Load Distance Analysis Current Plan Proposed Plan DeptClosenessDistanceDistance PairFactor, wd wd Scoredwd Score 1, , , , , , , , , , , , ld =112 ld =82 Example 7.2

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management 100' 150' Figure 7.8

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Office of Budget Management 100' 150' Figure 7.9

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Out-and-Back Warehouse Figure 7.10 DockAisle Storage area

To Accompany Krajewski & Ritzman Operations Management: Strategy and Analysis, Seventh Edition © 2004 Prentice Hall, Inc. All rights reserved. Zone Systems Figure 7.11 Click to add title Zones Control station Shipping doors Tractor trailer Overflow Feeder lines