Operations Management, Student Value Edition & Student Cd For Operations Management
11th Edition
ISBN: 9780133407983
Author: HEIZER, Jay
Publisher: Pearson College Div 2013-03-08
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Chapter 3, Problem 18P
What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days?
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If per day indirect cost is 2000 per week, crash the following project to the point where the cost will be minimum.
A given task was estimated to cost $15,750 to complete. Currently, the project team has completed approximately 65% of the task, and have spent $10,500. a. Determine the indices: AC, PV, and EV b. Derive the values for cost and schedule variances, as well as cost performance and schedule performance indices. Is this project ahead or behind on schedule, and is it ahead or behind on budget?
Ross 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?
Chapter 3 Solutions
Operations Management, Student Value Edition & Student Cd For Operations Management
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 - Describe how expected activity times and variances...
Ch. 3 - Define earliest start, earliest Finish, latest...Ch. 3 - Students are sometimes confused by the concept of...Ch. 3 - What are dummy activities? Why are they used in...Ch. 3 - What are the three time estimates used with PERT?Ch. 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 - The work breakdown structure (WBS) for building a...Ch. 3 - 3.2 Robert Day has decided to run for a seat as...Ch. 3 - Draw the activity-on-node (AON) project network...Ch. 3 - Given the activities whose sequence is described...Ch. 3 - 3.5 Using AOA, diagram the network described below...Ch. 3 - Stephen Hall is developing a program in supply...Ch. 3 - Task time estimates for the modification of an...Ch. 3 - 3.8 The City Commission of Nashville has decided...Ch. 3 - Refer to the table in Problem 3.8. a. Draw the AON...Ch. 3 - The activities needed to build a prototype laser...Ch. 3 - Dave Fletcher (see Problem 3.10) was able to...Ch. 3 - The activities described by the following table...Ch. 3 - A renovation of the gift shop at Orlando Amway...Ch. 3 - Kelle Carpet and Trim installs carpet in...Ch. 3 - The following is a table of activities associated...Ch. 3 - Assume that the activities in Problem 3.15 have...Ch. 3 - Bill Fennema, president of Fennema Hospitality,...Ch. 3 - What is the minimum cost of crashing the following...Ch. 3 - Three activities are candidates for crashing on a...Ch. 3 - Development of Version 2.0 of a particular...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 - Using PERT, Adam Munson was able to determine that...Ch. 3 - Clark Products makes pizza ovens for commercial...Ch. 3 - The Tesla 6 is a new custom-designed sports car....Ch. 3 - TABLE 3.6 Southwestern University Project 1....Ch. 3 - TABLE 3.6 Southwestern University Project 2 What...Ch. 3 - TABLE 3.6 Southwestern University Project 3. If it...Ch. 3 - Project Management at Arnold Palmer Hospital Video...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - The equivalent of a new kindergarten class is born...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...Ch. 3 - At the Hard Rock Cafe, like many organizations,...
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- The Peabody Coal Corporation recently completed the final feasibility report for a new general ledger accounting system. It has hired a consulting firm to program and install the new system. The consulting firm is charging $350,000 for the remaining tasks to be performed. These tasks are to be performed over the next 10 months as detailed in the Gantt chart in the diagram. The consulting firm is extremely concerned with the project staying on schedule because it is receiving a flat fee. The release of the final payment is contingent upon the system performing as stated in the contract and upon Peabody receiving appropriate documentation of the system.Requireda. Prepare a PERT diagram and indicate the critical path.b. What happens to the time frame of the implementation of the project if the manufacturer is 4 weeks late shipping the hardware?c. What happens if the data conversion does not go smoothly and takes an additional 3 weeks? d. Who should conduct the postimplementation review?…arrow_forwardPERT-CPM Maurice Publishing Inc. has a contract with Joan who authored the manual “Basics of ProjectManagement for Industrial Engineering and Engineering Management Students”. The simplifiedactivities associated with the production of the manual are given below. We are asked to developthe associated network for the project.arrow_forwardPROJECT A Project A is a planning, design and implementation infrastructure development project (about GHS 15 million in value and expected to take about three years from the start of planning to completion), which is well advanced in its planning component. While the project is progressing well in terms of time, cost and quality, there are a number of sustainability and stakeholder management issues with it. This project is being undertaken in an environmentally sensitive area in which leave several property owners who are quite concerned with the impact of the project on their environment. They are concerned that a thorough environmental risk assessment has not been undertaken with respect to the long-term impact on the sensitive bushland area in which they live. They are also concerned that completion of the project, through providing the basis for significant property development and destruction of bushland, will forever change the social fabric of their region. They have formed a…arrow_forward
- PROJECT A Project A is a planning, design and implementation infrastructure development project (about GHS 15 million in value and expected to take about three years from the start of planning to completion), which is well advanced in its planning component. While the project is progressing well in terms of time, cost and quality, there are a number of sustainability and stakeholder management issues with it. This project is being undertaken in an environmentally sensitive area in which leave several property owners who are quite concerned with the impact of the project on their environment. They are concerned that a thorough environmental risk assessment has not been undertaken with respect to the long-term impact on the sensitive bushland area in which they live. They are also concerned that completion of the project, through providing the basis for significant property development and destruction of bushland, will forever change the social fabric of their region. They have formed a…arrow_forwardThe following represents a project that should be scheduled using CPM a. Complete the table b. Draw the Network Diagram c. What is the critical path? d. What is the expected project completion time?' e. What is the probability of completing this project within 16 days?arrow_forwardThe Cove at UP is looking to open a new location. Guillermo Santiago has been developing a project plan and has identified the following tasks, precedence relations, and normal task durations. \ tasks predecessors task duration start 0 A start 7 B A 20 C A 34 D B 39 E C,D 6 F D 15 G E,F 33 end G 0 Guillermo has studied project management at the University of Portland and knows that the starting and ending time of any task may be determined from the information in the table using the critical path method. Assume the following notation when answering the questions below: \ Metric Description ES Early start time for task EF Early finsh time for task LS Late start time for task LF Late finsh time for task TS Total slack for task FS Free slack for task IS Independent slack for task SS safety slack for task Please provide the CPM result for each of the following metrics: ES_{end} = LS_{D} = TS_{D} = EF_{G} = LF_{G} =arrow_forward
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