Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9781259666094
Author: Erik W. Larson, Clifford F. Gray
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 4E
Firewall Project XT. Using the ‘complexity weighting” scheme shown in Table 5.3 and the function point complexity weight table shown below, estimate the total function point count. Assume historical data suggest five function points equal one person a month and six people can work on the project.
a. What is the estimated project duration?
b. If 20 people are available for the project, what is the estimated project duration?
c. If the project must be completed in six months, how many people will be needed for the project?
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Hi, I need help answering the last question.
Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4 weeks and he wants to do so at the lowest cost possible. In order to meet this objective a number of activities must be crashed.
Activity
Normal Time (weeks)
Crashed Time (weeks)
Normal Cost
Crashed Cost
Predecessor(s)
A
5
3
$800
$1,200
-
B
6
5
$300
$450
-
C
6
5
$550
$775
-
D
3
2
$750
$950
A
E
6
3
$1,350
$2,250
C
F
5
3
$675
$875
B
What is the total cost of crashing the project 4 weeks (just the additional cost, not total project cost)? (Display your answer to two decimal places.)
Your hospital has applied for certification as a level 1 stroke center. It is critical that the following project is completed in 18 weeks, before the next Joint Commission survey. Project activity times are listed in the table attached as an image.
Determine the minimum cost-schedule for this project to be completed in 18 weeks.
Assume a linear relationship between crash cost and crash time. For example, crash cost per week for activity A can be calculated as: ($650 - $200)/(4-2) = $225.
2. What is the difference in total project costs between the earliest completion time of the project using normal times and the minimum cost-schedule you found in part 1?
9.
A project has the following activities, with specified precedents, expected durations (in days), and crash cost/day. Each activity can be crashed to a minimum duration of 1 day. (This is the same network as a previous problem.) What is the minimum total cost to shorten the project by 2 days? Round your answers to 2 decimals.
Activity
Precedent
Duration
Crash cost/day
A
-
3
$350
B
A
3.8
$250
C
A
6
$400
D
B
6
$150
E
B
4.1
$200
F
C
4
$275
G
D
6.2
$500
H
E
8
$300
Answer:
Chapter 5 Solutions
Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
Ch. 5.1A - How many labor hours should the eighth satellite...Ch. 5.1A - How many labor hours for the whole project of...Ch. 5.1A - What price would you ask for the project? Why?Ch. 5.1A - Midway through the project your design and...Ch. 5.1A - Near the end of the project, Deutsch Telefon AG...Ch. 5 - Why are accurate estimates critical to effective...Ch. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - What are the major types of costs? Which costs are...Ch. 5 - Why is it difficult to estimate mega project...
Ch. 5 - Define what a white elephant is in project...Ch. 5 - Calculate the direct cost of labor tor a project...Ch. 5 - Mrs. Tolstoy and her husband, Serge, are planning...Ch. 5 - Exercise Figure 5.1 is a project WBS with cost...Ch. 5 - Firewall Project XT. Using the complexity...Ch. 5 - At this point, what would you do if you were the...Ch. 5 - Prob. 5.1.2CCh. 5 - What estimating techniques should be used for a...Ch. 5 - Assume you are either Mike or Josh; how would you...Ch. 5 - Prob. 5.2.2CCh. 5 - After cost, what other factors should be...
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