Project Management

| April 22, 2015

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Assignment 3

Question 1

The following project is performed with a single type of resource (labor), which is assumed to be available in unlimited quantities.  The resources usage rate is constant throughout the duration of each activity.  Thus, if the duration of an activity is 5 days and it requires 60 hours of resources, then 60/5 = 12 hours of the resource are required each day that the activity is performed. The project data are shown in Table 10.3.  Develop a schedule that minimizes resource fluctuations.

TABLE 10.3
Activity Duration (days) Immediate predecessors Resource requirements (hours)
A 3 None 12
B 4 None 16
C 3 None 9
D 2 C 10
E 1 B 6
F 5 A 15
G 2 B 16
H 3 B 12
I 11 C 44
J 3 D,E 30
K 1 F,G 10
L 4 K 16
M 4 J,H 8

 

Question 2

An activity on the critical path of a project was scheduled to be completed within 12 weeks, with a budget of $8000. During a performance review, which took place 7 weeks after the activity was initiated, it was found that 50% of the work had already been completed and that the actual cost was $4,500.

 

  1. Calculate the EV of the activity.
  2. Calculate the CI and SI for the activity.
  3. Calculate the expected BAC using the original estimate approach.
  4. Calculate the expected BAC using the revised estimate approach.
  5. Compare and discuss the results obtained in parts (c) and (d).

 

Question 3

Develop a budget for the project described in Table 11.11 assuming that the cost of each activity is linearly distributed over its duration.

  1. Assume an early-start schedule.
  2. Assume a late-start schedule.
  3. Assume that a “leveled budget” is desired 9i.e. the same daily cost is desired for each day of the project).
TABLE 11.11
Activity Duration (days) Immediate predecessors Resource requirements (hours)
A 3 None $3,000
B 4 None $2,000
C 3 None $6,000
D 2 C $2,000
E 1 B $1,000
F 5 A $10,000
G 2 B $4,000
H 3 B $9,000
I 11 C $11,000
J 3 D,E $3,000
K 1 F,G $1,000
L 4 K $2,000
M 4 J,H $8,000

 

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