Operations and Supply Chain Management 9th edition
9th Edition
ISBN: 9781119320975
Author: Roberta S. Russell, Bernard W. Taylor III
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 17, Problem 20P
Precision Painters, Inc., has five house painting jobs in one neighborhood. The houses differ in size, state of repair, and painting requirements, but each house must be prepped (cleaned, old paint chipped off, primed) first, then painted.
- a. In what sequence should the houses be worked on in order to finish all five houses as soon as possible? Chart out your sequences on Gantt charts and calculate the makespan.
- b. Use LPT to sequence the houses for prep work. Paint will follow in same sequence. Calculate makespan. How much time is saved with Johnson’s rule?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Fiona cleans offices. She is allowed 5 seconds per square foot. She cleans building A, which is 3,024 square feet, and building B, which is 2,424 square feet. Will she finish these two buildings in an 8-hour shift? Will she have time for a break? Round intermediate calculations to two decimals and final answer to whole number.
(yes or no), she (will or will not) finish in an 8-hour shift, and she (can or cannot) have a break of _____ minutes.
When planning the sequence of steps for a process, why is it necessary to include an exception?
Omar is the Head of IT Systems and Applications at AAA corporation. His job has been redesigned to includeshifting him between jobs at regular intervals.
Specify the job design approach that is used in this case.
Chapter 17 Solutions
Operations and Supply Chain Management 9th edition
Ch. 17 - Scheduling Major League Baseball Umpires It used...Ch. 17 - Scheduling Major League Baseball Umpires It used...Ch. 17 - Solving Tough Scheduling Problems in Healthcare...Ch. 17 - Solving Tough Scheduling Problems in Healthcare...Ch. 17 - Analytics at Airbnb Airbnb is a global community...Ch. 17 - Analytics at Airbnb Airbnb is a global community...Ch. 17 - Analytics at Airbnb Airbnb is a global community...Ch. 17 - Analytics at Airbnb Airbnb is a global community...Ch. 17 - How do scheduling activities differ for projects,...Ch. 17 - Why is scheduling a job shop so difficult?
Ch. 17 - What three functions are typically performed by a...Ch. 17 - Prob. 4QCh. 17 - How can the success of a scheduling system be...Ch. 17 - Describe the process of loading and load leveling....Ch. 17 - What is the purpose of dispatch lists? How are...Ch. 17 - When should the following sequencing rules be...Ch. 17 - Give examples of sequencing rules you use to...Ch. 17 - What information is provided by the critical ratio...Ch. 17 - How are work packages, hot lists, and exception...Ch. 17 - What are Gantt charts, and why are they used so...Ch. 17 - Explain the concept behind input/output control....Ch. 17 - Explain the difference between infinite and finite...Ch. 17 - How does theory of constraints differ from...Ch. 17 - Explain the drum-buffer-rope concept.Ch. 17 - Discuss the similarities and differences between...Ch. 17 - What are some typical issues involved in employee...Ch. 17 - What quantitative techniques are available to help...Ch. 17 - At Valley Hospital, nurses beginning a new shift...Ch. 17 - Valley Hospital (from Problem 17.1) wants to focus...Ch. 17 - Prob. 3PCh. 17 - Sunshine House received a contract this year as a...Ch. 17 - Karina Nieto works for New Products Inc., and one...Ch. 17 - Decenture has four new IT hires available for...Ch. 17 - Blue Jeans Modeling Agency specializes in...Ch. 17 - Evan Schwartz has six jobs wailing to be processed...Ch. 17 - College students always have a lot of work to do,...Ch. 17 - Today is day 4 of the planning cycle. Sequence the...Ch. 17 - Alices Alterations has eight jobs to be completed...Ch. 17 - Jobs A. B, C, and D must be processed through the...Ch. 17 - Sequence the following jobs by (a) SPT, (b) DDATE,...Ch. 17 - Prob. 14PCh. 17 - Claims received by Healthwise Insurance Company...Ch. 17 - Jobs processed through Percys machine shop pass...Ch. 17 - Prob. 17PCh. 17 - Sassy U makes fashion jeans out of a variety of...Ch. 17 - Restore is a small repair shop that makes...Ch. 17 - Precision Painters, Inc., has five house painting...Ch. 17 - Tracy has six chapters on her desk that must be...Ch. 17 - Updike Upholstery cuts and sews fabric for custom...Ch. 17 - The following data have been compiled for an...Ch. 17 - The input/output report for Work Center 6 is as...Ch. 17 - Kim Johnson, R.N., the charge nurse of the...Ch. 17 - Rosemary Hanes needs help in scheduling volunteers...Ch. 17 - Schedule the wail staff at Vincents Restaurant...Ch. 17 - Mr. Baskins, manager of Tom and Jerrys Ice Cream...
Additional Business Textbook Solutions
Find more solutions based on key concepts
•• 3.14 Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with t...
Operations Management: Sustainability and Supply Chain Management (12th Edition)
What is precedent, and how does it affect common law?
Business in Action
Consider the sales data for Computer Success given in Problem 7. Use a 3-month weighted moving average to forec...
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
What is a qualitative forecasting model, and when is its use appropriate?
Operations Management
The best fits using exponential smoothing, trend analysis, and linear regression for the given data. Introducti...
Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
Create an Excel spreadsheet on your own that can make combination forecasts for Problem 18. Create a combinatio...
Operations Management: Processes and Supply Chains (11th Edition)
Knowledge Booster
Learn more about
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
- Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR 1 enter your response here Part 2 2 enter your response here Part 3 3 enter your response here Part 4 4 enter your response here Part 5 5 enter your response here Part 6 Using the Critical Ratio (CR) scheduling rule for sequencing the jobs, the order is: Sequence Job 1 ▼ 4 5 3 1 2 Part 7 2 ▼ 2 1 5 3 4 Part 8 3 ▼ 5 4 2 3 1 Part 9 4 ▼ 1 3 2 5 4 Part 10 5 ▼ 5 4 1 3 2 ... Question content area right Part 1 The following jobs are waiting to be processed at Jeremy LaMontagne's machine center. Today is day 250. Job Date Job Received Due Date Duration (days) 1 215 260 30 2 220 290 20 3 225…arrow_forwardAs the Cottrell Bicycle Co. of St. Louis completes plans for its new assembly line, it identifies 25 different tasks in the production process. VP of Operations Jonathan Cottrell now faces the job of balancing the line. He lists precedences and provides time estimates for each step based on work- sampling techniques. His goal is to produce 1,000 bicycles per standard 40-hour workweek. Task Time (sec) Immediate Task Time (sec) Immediate Predecessors Predecessors K3 60 E3 109 F3 K4 24 K3 D6 53 F4 K9 27 K3 D7 72 F9, E2, E3 J1 66 K3 D8 78 E3, D6 J2 22 K3 - D9 37 D6 J3 3 C1 78 F7 G4 79 K4, K9 B3 72 D7, D8, D9, C1 G5 29 К9, 1 B5 108 C1 F3 32 12 B7 18 B3 F4 92 J2 A1 52 B5 F7 21 J3 A2 72 B5 F9 126 G4 A3 114 B7, A1, A2 E2 18 G5, F3 a) Balance this operation using shortest operation time rule and compute the efficiency of the line. b) Discuss how this balance could be improved. Is it possible to improve this balance to 100%? O Focus ASUS VivoBookarrow_forwardplease answer wihtin 30 minutes.arrow_forward
- Processing times and weights for five jobs are shown in the table below. Assume the jobs need to be processed on a single resource and are sequenced with the WSPT rule. Job A B C Processing time (mins) 1 4 2 D3 D Weight 1.5 1 1.25 0.5 E52 E 8. Which job would be processed second? 9. What is the average flow rate of the jobs? (Round your answer to 4 decimal places.) 10. What is the average flow time of the jobs? (Round your answer to 1 decimal place.) 11. What is the average inventory of the jobs? (Round your answer to 1 decimal place.) jobs per minute minutes jobsarrow_forwardA foreman has determined the expected processing times at a machine for a set of jobs and now wants to sequence them. Given the following information, do the following: Job Time Due Date Job (days) (days) a 4.5 10 6.0 17 5.2 12 d. 1.6 27 e 2.8 18 f 3.3 19 a-1. Determine the processing sequence using (1) MST, (2) SPT, (3) EDD, and (4) CR. Rule Sequence a-с-b-е-f-d MST d-e-f-a-c-b SPT a-c-b-e-f-d EDD a-c-b-f-e-d O CR a-2. For each sequence, calculate the average days late, the average flow time, and the average WIP. (Do not round intermediate calculations. Round the final answers to 2 decimal places.) Rule Average lateness Average flow time Average WIP day (s) day (5) MST & EDD day(s) jobs day (s) jobs SPT day (s) day (s) jobs CR b. Which rule is best? SPT O has the lowest average flow time & average WIP, but EDD & MST have the lowest average days late.arrow_forwardStoryboarding may be used to develop a detailed process flowchart. Group of answer choices a. True b. False Simplified forms of ABC use time-driven elements for service companies that are well aligned with the resources deployed in terms of units of time of labor. Group of answer choices a. True b. Falsearrow_forward
- Six jobs must be processed through machine A and then machine B as shown below. The processing time for each job is also shown.a. Develop a Gantt chart to determine the total time required to process all six jobs. Use the following sequence of jobs: 1, 2, 3, 4, 5, 6.b. Can you develop a better sequence to reduce the total time required for processing?arrow_forward(Please do not give solution in image format thanku) Develope a 3 level work breakdwon structure (including level 1,2 and 3) the work break down structure is based on the following project. Improving Customer Service Response Time for a clothing company. additional informationa can be added to the work break down struture to create the different levels The motivation behind this project is to improve customer satisfaction by reducing response time for customer service inquiries. Currently, customers are waiting an average of 48 hours to receive a response to their inquiries, resulting in frustration and dissatisfaction. By implementing a new customer service ticketing system and training customer service agents on effective communication and problem-solving techniques, response time can be reduced to 24 hours or less.arrow_forwardDan's Auto Detailing business performs two major activities: exterior cleanup and interior detailing. Based on the size of car and condition, time estimates for six cars on Monday morning are as shown in the accompanying table. Car Number 1 5 6 Exterior Interior 55 75 4 65 35 50 60 45 90 35 40 a. Sequence the cars so that all exterior cleanup is done first and total completion time is minimized. The sequence is -Select-- -Select- -Select- -Select- -Select-- -Select- 2 3 80 20arrow_forward
- i got a question and i have answered is already half of it i need help with the rest: As Patrick Sportwear Co. completes plans for its new assembly line in Liverpool, it identifies 30 different tasks in the production process. VP of Operations Kevin Keegan now faces the job of balancing the line. He lists precedences and provides time estimates for each step based on work-sampling techniques. His goal is to produce 1.000 football shoes per standard 35-hour workweek. Task Time (sec) Immediate Predecessors Task Time (sec) Immediate Predecessors B1 50 - E2 18 G5, F3 K4 24 B1 A4 10 E1 K9 27 B1 E3 109 F3 J1 66 B1 D6 53 F4 C2 12 - D7 72 F9, E2, E3, K9 J2 22 B1 C1 78 F7, A4 J3 3 C2 D8 78 E3, D6 D5 6 - D9 37 D6, A4 G4 79 K4, K9 C3 40 F9, D7 G5 29 K9, J1 B3 72 D7, D8, D9, C1 F3 32 J2 B5 108 C1 F4 92 J2 A1 52 B5…arrow_forwardExercise: Come up with a Matrix and compare the Average Flowtime and Average Tardiness Using FCFS, SPT and EDD. Recommend which is the best sequence. 4 Jobs A B с D E Processing time (In days) 15 12 18 8 10 Due date (In Days) 25 45 26 35 30arrow_forwardProcessing time for eight projects, displayed in the sequence they arrived. Project P1 P2 P3 P4 P5 P6 P7 P8 Processing time (hours) 3 1 1 2 9 6 1 1.50 2. Given the projects displayed in table above, if FCFS is used to sequence the jobs, what is the average flow rate of the projects? Note: Round your answer to 2 decimal places. 3. Given the projects displayed in table above, if FCFS is used to sequence the jobs, what is the average flow time of the projects? Note: Round your answer to 1 decimal place. 4. Given the projects displayed in table above, if FCFS is used to sequence the jobs, what is the average inventory of the projects? Note: Use your rounded answers from Parts 2 and 3. Round your answer to 1 decimal place. 5. Given the projects displayed in table above, if SPT is used to sequence the jobs, what is the average flow rate of the projects? Note: Round your answer to 2 decimal places. 6. Given the projects displayed in table above, if SPT is used to sequence…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,Operations ManagementOperations ManagementISBN:9781259667473Author:William J StevensonPublisher:McGraw-Hill EducationOperations and Supply Chain Management (Mcgraw-hi...Operations ManagementISBN:9781259666100Author:F. Robert Jacobs, Richard B ChasePublisher:McGraw-Hill Education
- Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage LearningProduction and Operations Analysis, Seventh Editi...Operations ManagementISBN:9781478623069Author:Steven Nahmias, Tava Lennon OlsenPublisher:Waveland Press, Inc.
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Operations Management
Operations Management
ISBN:9781259667473
Author:William J Stevenson
Publisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...
Operations Management
ISBN:9781259666100
Author:F. Robert Jacobs, Richard B Chase
Publisher:McGraw-Hill Education
Purchasing and Supply Chain Management
Operations Management
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...
Operations Management
ISBN:9781478623069
Author:Steven Nahmias, Tava Lennon Olsen
Publisher:Waveland Press, Inc.
Inventory Management | Concepts, Examples and Solved Problems; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=2n9NLZTIlz8;License: Standard YouTube License, CC-BY