Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
10th Edition
ISBN: 9780134181981
Author: Jay Heizer, Barry Render, Chuck Munson
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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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
Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- Please note that the last digit in the student number is: 7arrow_forwardConsider the following diagram, why is it used and explain what information does it provide to the Project Manager.arrow_forwardRoss Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Draw the AON network and answer the questions that follow. a) What is the expected (estimated) time for activity C?b) What is the variance for activity C?c) Based on the calculation of estimated times, what is the criticalpath?d) What is the estimated time of the critical path?e) What is the activity variance along the critical path?f) What is the probability of completion of the project before week 36?arrow_forward
- please solve all parts within 30 minutes.arrow_forwardHow can a business analyst communicate requirements (and associated models) for a project in project management.arrow_forwardPlease answer all parts Activity Preceding activity Activity duration A - 6 B - 3 C - 1 D A, B 2 E A, C 5 F D, E 2 G D, F 6 Draw an AON diagram based on the activities and their relationships given in the table. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. Determine the slack time for each path. Find the critical activities and critical path. Determine the length of the project.arrow_forward
- I'm unable to answer the following question? What is the total cost of crashing the project from its current duration down to 13 weeks?arrow_forwardplease answer in details within 30 minutes.arrow_forwardBuild a PERT Network Diagram for a 3-month project with 6 activities (A to F) and 5 nodesarrow_forward
- Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The activities, immediate predecessors, and times appear in the accompanying table: Immediate Activity Predecessor(s) Time (days) 4 5 3 III B 10 A, D 3 C 5 G E, F 12 This exercise contains only part a. a) The correct precedence diagram for the project is shown in ABCDEF Ñ GW 8 w or C A B F Figure 2 A B O-O Figure 3 B E E Earrow_forwardThe following table provides the information necessary to construct a project network diagram and project crash data: Crash the project until no more crash can be performed How much it would cost The new critical path(s) Activity Immediate predecessor Activity Time (weeks) Activity Cost ($) Normal Crash Normal Crash A -- 16 8 2000 4400 B -- 14 9 1000 1800 C A 8 6 500 700 D A 5 4 600 1300 E B 4 2 1500 3000 F B 6 4 800 1600 G C 10 7 3000 4500 H D, E 15 10 5000 8000 End F, G, Harrow_forwardConsider the following activity description with associated cost data shown in Table 1. The cost data represents the total cost and should be considered linear with time. Table 1: Crash Cost Table Activity Immediate Predecessor Normal Duration (days) Normal Cost ($) Crash Duration (days) Crash Cost ($) A --- 5 50 3 150 B --- 4 40 2 200 C B 7 70 5 250 D A, C 2 20 1 50 E A, C 5 125 1 525 F B 10 80 7 290 G D 7 50 3 250 H E, F 6 60 3 180 Reduce the project duration to minimum duration and calculate the cost. Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.arrow_forward
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