# GS-4 - OM 335 Bagchi Group Homework-4 Names SOLUTION The...

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OM 335 Bagchi Names: SOLUTION Group Homework-4 The capacity of the Refrigerated Stage must be increased due to the shift in mix. The project plan for this project is as follows: Activity Description Predecessor a m b Mean Variance A Raise Funds - 10 days 11 days 12 days 11 0.111 B Financial Evaluation A 20 24 34 25 5.444 C Engineering Design A 12 15 24 16 4.000 D Facilities Design C 5 6 7 6 0.111 E Install New Pick System B, D 30 35 46 36 7.111 F Small Scale Test E 14 16 24 17 2.778 G Large Scale Test F 35 50 77 52 49.000 H Document Procedures E 66 69 72 69 1.000 I Train Employees E 62 62 62 62 0 J Ramp-Up to Volume G, H, I 10 12 14 12 0.444 1. Supply the missing entries in the Table above; draw the project network diagram; for each path calculate the mean and standard deviation of the path time; calculate the expected project duration and identify the critical activities. Path Mean Variance Std. Dev. A-B-E-I-J 146 13.11 3.621 A-B-E-H-J 153 14.11 3.756 A-B-E-F-G-J 153 64.888 8.055 A-C-D-E-I-J 143 11.777 3.432 A-C-D-E-H-J 150 12.777 3.574 A-C-D-E-F-G-J 150 63.555 7.972 The expected project duration is 153 days and the critical activities are activities on the two critical paths (in bold) in the diagram above – A, B, E, F, G, H and J . 1 A,1 1 B,2 5 C,1 6 D,6 E,3 6 F,1 7 H,6 9 I,62 G,52 J,1 2

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2. Complete the Table below by using the mean activity time of each activity as the estimate of that activity’s duration. Label
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## This note was uploaded on 04/20/2011 for the course OM 335 taught by Professor Jonnalagedda during the Spring '08 term at University of Texas.

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GS-4 - OM 335 Bagchi Group Homework-4 Names SOLUTION The...

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