Operations Management: Processes and Supply Chains (11th Edition)
11th Edition
ISBN: 9780133872132
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter 7, Problem 5AME
Summary Introduction
Interpretation: The consequence of change in completing the activity C prior to activity D as a result of change in building code is to be explained.
Concept Introduction: Building codes refers to developed structure having specific phasing of the activities in a project
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Typically, a project is a one-time action that must be finished within a specified time frame? why?
The company decided that the project in the previous problem had to be expedite in order to optimize (minimize) the project cost. Expediting can be used to trade direct cost for indirect cost, since expediting reduces the indirect cost of the project by a fixed amount per day, while expediting an activity increases its total direct cost. The Accounting Department found that indirect costs amount to $100 per day, while activity direct costs as well as their normal and expedited times are given in the table below.
Activity
Duration (Days)
Expedited Time (Days)
Normal Direct Cost ($)
Expedited Direct Cost ($)
A
32
26
200
500
B
21
20
300
375
C
30
30
200
200
D
45
40
200
800
E
26
20
700
1,360
F
28
24
1,000
1,160
G
20
18
400
550
What is the optimal time to complete the project?
What is the optimal project cost?
Crashing a project involves four steps. What are they?
Chapter 7 Solutions
Operations Management: Processes and Supply Chains (11th Edition)
Ch. 7 - One of your colleagues comments that software is...Ch. 7 - Explain how to determine the slack for each...Ch. 7 - Define risk as it applies to projects. What are...Ch. 7 - Consider the following data for a project to...Ch. 7 - The following information is known about a project...Ch. 7 - A project for improving a billing process has the...Ch. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7P
Ch. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - The following information concerns a project to...Ch. 7 - Consider a project to produce custom door moldings...Ch. 7 - Table 7.5 contains information about au...Ch. 7 - The Advanced Tech Company has a project to design...Ch. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Recently, you were assigned to manage a project to...Ch. 7 - In Solved Problem 2, estimate the probability that...Ch. 7 - The director of continuing education at Bluebird...Ch. 7 - Gabrielle Kramer, owner of Pet Paradise, is...Ch. 7 - The project manager of Good Public Relations...Ch. 7 - Consider the office renovation project data in...Ch. 7 - Activity B and activity K are critical activities....Ch. 7 - Prob. 2AMECh. 7 - Prob. 3AMECh. 7 - Prob. 4AMECh. 7 - Prob. 5AMECh. 7 - Assess the four categories of a risk-management...Ch. 7 - Prob. 2VCCh. 7 - Assume you are Denise Tower and have...Ch. 7 - Prob. 1CCh. 7 - Prob. 2CCh. 7 - Prob. 3CCh. 7 - Prob. 4C
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- Project monitoring and controlling is done throughout the life of a project and involves all 10 project management knowledge areas. Why monitoring and controlling is important? Discuss at least two ways to monitor and control a project.arrow_forwardIzzi used a project management software package and has determined the following results for a given project Expected completion time of the project = 22 days Variance of project = 2.77 days What time would give Izzi a 95% chance of completing the project? O 2.73 days O 24.7 days O 4.55 days O 26.6 daysarrow_forwardIn what specific ways do the WBS and the estimate of work impact other aspects of the project plan as well as executing and controlling the project? Describe ways in which both are both important to the success of a project. Include at least two specific examples that relate to actual projects. Please include: At least two ways that the WBS impacts the project plan and executing and controlling the project At least two ways that the estimate of work impacts the project plan and executing and controlling the project At least two examples of how the WBS and estimate of work may impact real-life projectsarrow_forward
- Dan, the project manager, has indicated in a planning meeting that the team should identify and avoid any circumstances of ‘scope creep.’ What does Dan means? Select one: a. He does not want the team members to discuss the project scope with other project stakeholders b. He wants to be the only person responsible for scope management throughout the project duration c. He wants the team members to make any changes to the project scope that they deem necessary d. He does not want the continuous or uncontrolled growth and changes in the project's scope at any point after the project beginsarrow_forwardIf Activity C has an expected time estimate of 8 days, which of the following statements is TRUE? * The activity time estimates for Activity C are: 1, 7, and 19 days Activity C can be delayed for a maximum of 5 days Activity C should not be delayed The activity time estimates for Activity C are: 2, 4, and 9 daysarrow_forwardWhat is the overall duration of the project (in weeks)? What is the earliest week you could start activity H? (Write the week number in the field below.) What is the earliest week you could finish activity G? What is the latest week you could start activity A? What is the latest week you could finish activity C? What is the slack time for activity D? What would be the overall duration of the project if activity F were increased by 4 weeks, from 8 to 12 weeks? What would be the overall duration of the project if activity B were increased by 4 weeks, from 8 to 12 weeks?arrow_forward
- Project Management involves the management of labour, material and plants, and equipment. Time management however demands the analysis of factors prevailing on the project.Discuss four (4) factors that affect the times it will take to complete the projectarrow_forwardThe project aims to investigate the feasibility of constructing a hydroelectric dam from a technical, economic, and social point of view. The project charter created by the project manager on behalf of the project sponsor is now approved. Advise on which processes should be performed next.arrow_forwardWe reduce Activity B to 4 weeks on each of the six houses.What affect will that have on the project completion time? Show work on the template provided. The x axis is the number of houses The y axis is time (number of weeks)arrow_forward
- Every project is constrained by three dimensions which are interrelated. Use a diagram to illustrate these dimensions and discuss how changes in any of the dimensions impacts the project.arrow_forwardWhat are the critical activities or tasks in the project—that is, which activities will delay the entire project if they are late?arrow_forwardTraditional projects focus on long-term planning and stability. Laufer, Hoffman, Russel, and Cameron (2015) suggested that project managers also have to deal with the following: a)Events that are big and events that are small b)Events that could have been predicted but were not c)Events that were managed poorly d)Events that could erode the project manager's authorityarrow_forward
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