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Construct a network diagram, identify the critical path

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The following data were obtained from a project to build a pressure vessel:

Activity Duration Predecessors
A 4 weeks ---
B 4 weeks ---
C 3 weeks B
D 2 weeks A, C
E 3 weeks B
F 5 weeks D, E, G
G 2 weeks B
H 6 weeks F
I 3 weeks G
J 1 week I

Construct a network for the project. Then review and answer (A) and (B).

(A.) Calculate the scheduled completion time and identify the critical path.

(B.) What is the slack time (float) for activities A, D, E, and G?

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Solution Preview

Please see the word document which does a better job of formatting and showing the diagram I prepared for your study.

The following data were obtained from a project to build a pressure vessel:

Activity Duration Predecessors
A 4 weeks ---
B 4 weeks ---
C 3 weeks B
D 2 weeks A, C
E 3 weeks B
F 5 weeks D, E, G
G 2 weeks B
H 6 weeks F
I 3 weeks G
J 1 week I

Construct a network for the project. Then review and answer the multi-part question.

For ...

Solution Summary

This post shows how to construct a network for the project. It shows how to calculate the schedule completion time and identify the critical path.

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See Also This Related BrainMass Solution

Construct the network diagram
b. Identify each activity's EST, EFT, LST adn LFT
c. Identify all paths. Which path is the critical path?
d. Calculate the slack each activity?
e. How long will it take to complete the project?

Given the information in the following table

Activity Duration Predecessor
a 4 None
b 6 a
c 4 a
d 2 c
e 4 b
f 5 b, d
g 3 c
h 4 f,g
i 2 e, h

a. Construct the network diagram
b. Identify each activity's EST, EFT, LST adn LFT
c. Identify all paths. Which path is the critical path?
d. Calculate the slack each activity?
e. How long will it take to complete the project?

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