Define critical path, ES, EF, LS, LF, dummy activity and slack

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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(1) Define critical path, ES, EF, LS, LF, dummy activity and slack.

(2) Cables By Us is bringing a new product on line to be manufactured in their current facility in existing space. The owners have identified 11 activities and their precedence relationships.

(a) Draw the network diagram of this project

(b) Calculate the project completion time

(c) Identify the critical path

Immediate Duration
Activity
Description
Predecessar (weeks)
A
Develop product specifications
Designmanufacturing process
Source & purchase materials
Source & purchase tooling & equipment
Receive & install tooling & equipment
None
4
в
A
6
A
3
D
В
6
E
D
14
F
Receive materials
Pilot production run
Evaluate product design
Evaluate process performance
Write documentation report
Transition to manufacturing
G
E&F
2
H
G
2
G
J
H&I
4
K
J
2
Transcribed Image Text:Immediate Duration Activity Description Predecessar (weeks) A Develop product specifications Designmanufacturing process Source & purchase materials Source & purchase tooling & equipment Receive & install tooling & equipment None 4 в A 6 A 3 D В 6 E D 14 F Receive materials Pilot production run Evaluate product design Evaluate process performance Write documentation report Transition to manufacturing G E&F 2 H G 2 G J H&I 4 K J 2
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