OPERATIONS MANAGEMENT W/ 360 DAY CONNECT
2nd Edition
ISBN: 9781266763212
Author: CACHON
Publisher: MCG
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Chapter 19, Problem 2.2C
BUILDING A HOUSE IN THREE HOURS
Habitat for Humanity International is a nonprofit organization dedicated to eliminating poverty housing worldwide. The organization was founded in 1976 and since then has built hundreds of thousands of homes that are sold to those in need at no profit through no-interest loans. Houses built by Habitat for Humanity are decent and affordable.
How long does it take to build a house from scratch? Most residential construction projects take between three months and a full year. Habitat for Humanity can do this so much faster. In fact, they can do this much, much faster, as they demonstrated in the construction of Bonnie Lilly’s new home near Birmingham, Alabama. Bonnie, together with her two children, moved into a home that has officially been labeled the world’s fastest house by Habitat for Humanity International. The house has three bedrooms and two bathrooms. It was built—yes, you are reading correctly—in three hours and twenty-six minutes.
If you enter “fastest house ever built” into YouTube, you can watch a short movie that shows the construction. The construction was started using a previously installed foundation. It was completed when the entire house met all township codes and requirements.
Almost 200 carpenters, electricians, plumbers, roofers, and painters collaborated on this project. They followed a carefully laidout project plan. Each task was executed in the allotted time. Whenever a task was complete, the successor tasks were immediately started because workers were standing next to the construction site eagerly awaiting the authorization to start their work.
The project was planned and managed by project manager Chad Calhoun of Brice Construction Company. Chad and his team practiced for the build at an old schoolhouse. He coordinated the work, defined a project plan, and created a detailed
What lessons can be learned from this record-time construction for other projects, such as the construction of new airports, ocean liners, or campus buildings?
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The results of your four plans will provide an indicative EOQ value. State this value and discuss in a precise manner, why it is not the exact, true value.
Additional calculations in the form of plans E, F etc. may also assist your explanation of the EOQ and can be included
i). Complete the table assuming a Level production plan.
ii) Comment on your results and explain whether at this stage, you consider a Level plan is a suitable approach for this particular business. Your comment should include reference to a calculated ‘fill rate’.
In the following sawtooth inventory profile diagram, two inventory plans with different order quantities (Q) and different frequencies of delivery are shown; order quantity for Plan A = 200 units and Plan B = 50 units.
i). Total demand (D) is 350 units, the holding cost per unit (Ch) is equal to (£0.8) and the ordering cost per order (Co) is (£12.5). Calculate the total costs for each plan and state which one is more preferable along with the reason why.
ii). There is a stark difference in the composition of the total costs of Plans A and B. Explain this difference and why it occurs. Use the breakdown of costs for each plan to help illustrate your answer.
Chapter 19 Solutions
OPERATIONS MANAGEMENT W/ 360 DAY CONNECT
Ch. 19 - A project has four activities that take 4, 3, 6,...Ch. 19 - Consider the simple dependency matrix shown in...Ch. 19 - Consider a project with two activities that are...Ch. 19 - Prob. 4CQCh. 19 - Prob. 5CQCh. 19 - Prob. 6CQCh. 19 - Prob. 7CQCh. 19 - Prob. 8CQCh. 19 - Prob. 9CQCh. 19 - Prob. 10CQ
Ch. 19 - Consider two projects that have the same...Ch. 19 - Prob. 12CQCh. 19 - Prob. 13CQCh. 19 - Prob. 14CQCh. 19 - The key objectives of a project are given by a....Ch. 19 - Which of the following descriptions best captures...Ch. 19 - Prob. 1PACh. 19 - Prob. 2PACh. 19 - Prob. 3PACh. 19 - Prob. 4PACh. 19 - A project activity has an earliest completion time...Ch. 19 - What is the definition of the latest completion...Ch. 19 - Which of the following statements is correct with...Ch. 19 - A project consists of three tasks: A, B, and C....Ch. 19 - Prob. 9PACh. 19 - Prob. 10PACh. 19 - You manage a project with 10 activities....Ch. 19 - Which of the following activities is not part of...Ch. 19 - You have been asked by the CEO of your company to...Ch. 19 - BUILDING A HOUSE IN THREE HOURS Habitat for...Ch. 19 - BUILDING A HOUSE IN THREE HOURS Habitat for...
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