The following table identifies the work elements, times and immediate predecessors of the assembly line. Assume that assembly line produce 40 units per hour. Draw the network diagram for this project. Determine ES, EF, LS and LF Identify the critical path and estimate the project’s duration for tE. Calculate the slack for each activity. What is the cycle time What is the theoretical minimum number of workstations? What are the resulting efficiency and balance delay percentages?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The following table identifies the work elements, times and immediate predecessors of the assembly line. Assume that assembly line produce 40 units per hour.

  1. Draw the network diagram for this project.
  2. Determine ES, EF, LS and LF
  3. Identify the critical path and estimate the project’s duration for tE.
  4. Calculate the slack for each activity.
  5. What is the cycle time
  6. What is the theoretical minimum number of workstations?
  7. What are the resulting efficiency and balance delay percentages?
Work Element Time (sec) Immediate Predecessors(s)
A
40
NONE
В
80
A
C
30
A
D
25
B
E
20
C
F
15
В
G
60
В
H
45
D
I
10
E,G
J
75
F
K
15
Н, I, J
Transcribed Image Text:Work Element Time (sec) Immediate Predecessors(s) A 40 NONE В 80 A C 30 A D 25 B E 20 C F 15 В G 60 В H 45 D I 10 E,G J 75 F K 15 Н, I, J
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