Pearson eText Principles of Operations Management: Sustainability and Supply Chain Management -- Instant Access (Pearson+)
11th Edition
ISBN: 9780135639221
Author: Jay Heizer, Barry Render
Publisher: PEARSON+
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Chapter 3, Problem 33P
Summary Introduction
To determine: The minimum cost of crashing the project by 4 days.
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What is the minimum cost of crashing the following project at Sawaya Robotics by 4 days?
NORMAL
TIME (DAYS)
CRASH TIME
(DAYS)
5
4
ACTIVITY
Design (A)
Wiring (8)
Chip install (C)
7
5
3
4
7
2
2
4
NORMAL
COST
300
900
500
CRASH
COST
1,100
1,200
350
975
575
Software (D)
Testing (E)
The minimum cost of crashing the following project at Sawaya Robotics by 4 days is $1,875 (enter your response as a whole number).
IMMEDIATE
PREDECESSOR(S)
1,300
1,650
A, B
с
PM.64 The US government has contracted with Raytheon to build its new Peacekeeper 2 ballistic missile. The project has been laid out with durations (in
weeks), predecessors, and costs included:
Activity
Normal Time (weeks)
Crashed Time (weeks)
Normal Cost
Crashed Cost
Predecessor(s)
A
4
$2,100
$3,350
В
12
10
$6,150
$7,000
A
C
8
6
$3,800
$4,350
В
Which activity is the least desirable crashing candidate?
O A
В
In order to reduce the project's overall duration by one week, at the lowest cost possible, which activity should you crash?
В
A
Map s
ipral model on any simple project
Chapter 3 Solutions
Pearson eText Principles of Operations Management: Sustainability and Supply Chain Management -- Instant Access (Pearson+)
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 - Prob. 13PCh. 3 - Dave Fletcher (sec Problem 3.12) was able to...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 - Prob. 21PCh. 3 - Four Squares Productions, a firm hired to...Ch. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Development of Version 2.0 of a particular...Ch. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 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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- The City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its citizens. The precedence table for all the activities required to construct this area successfully is as follows: Code Description A BCDEFGH Find location; determine resource requirements Requisition of lumber and sand Dig and grade Saw lumber into appropriate sizes Position lumber in correct locations Nail lumber together Put sand in and under the equipment Put dirt around the equipment Put grass all over the garden, landscape, paint Legend Code T Time (hrs) 15 55 105 30 20 15 25 15 25 ABCDEFGH Activity Planning Purchasing Excavation Sawing Placement Assembly Infill Outfill Decoration Immediate Predecessor(s) None A A B Refer to the legend for the activity that corresponds to each code. Using the line drawing tool, draw a Gantt chart for activities E through I of the project. D, C E F F G, H X C A+ B- C- D- E- F- Q H- 1- O. 0 20 40 60 80 100 120…arrow_forwardPlease do not give solution in image format thankuarrow_forwardHow does the Kanban system model differ from Scrum in Agile project management, and under what circumstances might one be preferred over the other?arrow_forward
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- What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Normal Cost $800 $200 $600 $750 $1,200 Normal Crash Activity Time (days) Time (days) 4 3 8 6 The total cost of crashing the project by 4 days is $ ABCDE 487 355 (Enter your response as a whole number.) Total Cost with Crashing Immediate Predecessor(s) $1,500 $1,650 By how many days should each activity be crashed to reduce the project completion time by 4 days? Fill in the table below. (Enter your responses as whole numbers.) Each Activity Should be Reduced BY (days) Activity A B C D E $1,100 $600 $650 A Carrow_forwardDevelopment 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: Total Cost Normal Time Crash Time Normal with Immediate Activity (weeks) (weeks) Cost Crashing Predecessor(s) $2,200 $2,100 $2,900 $2,900 A 4 3 1 C 3 3 $500 $500 $2,500 $1,000 $3,200 $2,800 $1,375 $4,600 $2,100 8. E 6. 3 G 4 $1,600 D, E a) Based on the given information regarding the activities for the project, the project length = weeks. %3D b) The total cost required for completing this project on normal time = $ %3D c) For reducing the duration of the project by one week, the activity that should be crashed first is activity The cost of the project based on the first activity selected for crashing will increase by $ d) The maximum weeks by which the project can be reduced by crashing = weeks. %3D Total cost of crashing the project to minimum (or…arrow_forwardsniparrow_forward
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