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EBK PRINCIPLES OF OPERATIONS MANAGEMENT
10th Edition
ISBN: 8220102744059
Author: HEIZER
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 16P
The Rover 6 is a new custom-designed sports car. An analysis of the task of building the Rover 6 reveals the following list of relevant activates, their immediate predecessors, and their duration:
a) Draw a network diagram for the project.
b) Mark the critical path and state its length.
c) If the Rover 6 had to be completed 2 days earlier, would it help to:
i) Buy preassembled transmissions and drivetrains?
ii) Install robots to halve engine-building time?
iii) Speed delivery of special accessories by 3 days?
d) How might resources be borrowed from activities on the non-critical path to speed activities on the critical path?
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Students have asked these similar questions
List two outputs for each of the Project Risk Management processes (note that the Implement Risk Responses process is not discussed in this chapter)
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table:
Activity
Normal Time (weeks)
Crash Time (weeks)
Normal Cost
Total Cost with Crashing
Immediate Predecessors(s)
A
4
3
$2,200
$2,850
---
B
2
1
$2,100
$2,700
---
C
3
3
$750
$750
---
D
8
4
$2,500
$2,800
A
E
6
3
$800
$1,250
B
F
3
2
$3,200
$4,400
C
G
4
2
$1,400
$1,800
D, E
a) Based on the given information regarding the activities for the project, the project length = _______ weeks ?
b) The total cost required for completing this project on normal time = _______ ?
c) If you wish to reduce the time required to complete this project by 1 week, which activity should be crashed, and how much will this increase the total cost?
The critical path with the longest length through the project is _______ ?
Note:-
Do not provide…
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's
technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the
following table:
Normal
Crash
Normal
Activity Time (weeks) Time (weeks) Cost
ABCDEFG
4
2
3
8
6
3
4
3
1
3
4
3
2
2
$2,100
$2,300
$600
$2,400
$800
$3,400
$1,400
Total Cost
with
Crashing Immediate Predecessor(s)
$2,750
$2,900
$600
$2,680
$1,100
$4,600
$1,900
a) Based on the given information regarding the activities for the project, the project length
b) The total cost required for completing this project on normal time = $ 13000.
| |
A
B
C
D, E
= 16 weeks.
c) For reducing the duration of the project by one week, the activity that should be crashed first is activity D
The cost of the project based on the first activity selected for crashing will increase by $ 70.
d) The maximum weeks by which the project can be reduced by crashing = 7 weeks.
Total cost of crashing the…
Chapter 3 Solutions
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
Ch. 3 - Ethical Dilemma Two examples of massively...Ch. 3 - Give an example of a situation in which project...Ch. 3 - Explain the purpose of project organization.Ch. 3 - What are the three phases involved in the...Ch. 3 - What are some of the questions that can be...Ch. 3 - Define work breakdown structure. How is it used?Ch. 3 - What is the use of Gantt charts in project...Ch. 3 - What is the difference between an...Ch. 3 - What is the significance of the critical path?Ch. 3 - what would a project manager have to do to crash...
Ch. 3 - Prob. 10DQCh. 3 - Define earliest start, earliest finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - Prob. 13DQCh. 3 - Prob. 14DQCh. 3 - Would a project manager ever consider crashing a...Ch. 3 - How is the variance of the total project computed...Ch. 3 - Describe the meaning of slack, and discuss how it...Ch. 3 - How can we determine the probability that a...Ch. 3 - Name some of the widely used project management...Ch. 3 - What is the difference between the waterfall...Ch. 3 - The work breakdown structure (WBS) for building a...Ch. 3 - James Lawson has decided to run for a seat as...Ch. 3 - Prob. 3PCh. 3 - Refer to the table in Problem 3.3. a) Draw the AON...Ch. 3 - Draw the activity-on-node (AON) project network...Ch. 3 - Given the activities whose sequence is described...Ch. 3 - Prob. 7PCh. 3 - Roger Ginde is developing a program in supply...Ch. 3 - Prob. 9PCh. 3 - The activities described by the following table...Ch. 3 - Prob. 11PCh. 3 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (sec Problem 3.12) was able to...Ch. 3 - The Rover 6 is a new custom-designed sports car....Ch. 3 - Ross Hopkins, president of Hopkins Hospitality,...Ch. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The estimated times and immediate predecessors for...Ch. 3 - Rich Cole Control Devices, Inc., produces...Ch. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Prob. 23PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Development of Version 2.0 of a particular...Ch. 3 - Prob. 32PCh. 3 - Prob. 1CSCh. 3 - Prob. 2CSCh. 3 - Prob. 3CSCh. 3 - Prob. 1.1VCCh. 3 - Prob. 1.2VCCh. 3 - Project Management at Arnold Palmer Hospital The...Ch. 3 - Prob. 1.4VCCh. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...Ch. 3 - Managing Hard Rocks Rockfest At the Hard Rock...
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