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What are the critical path activities

Assignment Help Operation Management
Reference no: EM13750244

Problem 1. The following data were obtained from an in-house MIS project

Activity Duration Predecessors 

A        3 Days   ---          

B        6 Days   ---          

C        3 Days   B            

D        2 Days   A            

E        3 Days   C,D          

F        2 Days   A            

G        4 Days   F            

H        7 Days   B

I        2 Days   C,D

J        4 Days   H,I

K        8 Days   H,I

L        5 Days   E,G,J

a) What are the critical path activities?

b) What is the project's scheduled completion time?

c) What is the slack or float for Activity C? Show your calculations.

d) What is the slack or float for Activity F? Show your calculations.

e) What is the slack or float for Activity E? Show your calculations.

f) What is the slack or float for Activity J? Show your calculations.

Problem 2. A project to remodel an office area has the following activities.

Activity

Duration

Predecessors

A

3 months

---

B

2 months

---

C

3 months

---

D

4 months

A, B

E

3 months

A

F

2 months

B, C

G

2 months

F

H

1 month

G

I

4 months

D, E, F

J

5 months

H

a) What are the critical path activities?

b) What is the project's scheduled completion time?

c) What is the slack or float for Activity B? Show your calculations.

d) What is the slack or float for Activity D? Show your calculations.

e) What is the slack or float for Activity F? Show your calculations.

f) What is the slack or float for Activity I? Show your calculations.

Problem 3. Information from a room addition project:


 

Duration

Predecessors

 

A

2 wks

 

 

B

3 wks

 

 

C

5 wks

 

 

D

7 wks

A

 

E

3 wks

B

 

F

2 wks

C

 

G

4 wks

F

 

H

1 wk

A

 

I

8 wks

D, E, G

 

J

5 wks

F

 

K

2 wks

D, E, G, H

 

 

 

 

 

a) What are the critical path activities?

b) What is the project's scheduled completion time?

c) What is the slack or float for Activity A? Show your calculations.

d) What is the slack or float for Activity F? Show your calculations.

e) What is the slack or float for Activity H? Show your calculations.

f) What is the slack or float for Activity K? Show your calculations.

Problem 4. InformAtion from a site renovation project

Task     Duration            Predecessors

A          2 wks               _

B          5 WKS             A

C          3 WKS             B

D          15 WKS           B

E          8 WKS             C

F          10 WKS           C

G         2 WKS             D

H          6 WKS             E, F, G

I           5 WKS             H


a) What are the critical path activities?

b) What is the project's scheduled completion time?

c) What is the slack or float for Activity C? Show your calculations.

d) What is the slack or float for Activity F? Show your calculations.

e) What is the slack or float for Activity I? Show your calculations.

f) What is the slack or float for Activity K? Show your calculations.

Reference no: EM13750244

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