Category Archives: Facility Decisions: Layouts

Predetermined Motion-Time Data

Predetermined Motion-Time Data As with elemental standard-time data. predetermined motion-time data tables create a time standard for a job or task. There are. however, significant differences between the two approaches. Whereas the elemental standard-time data tables provide times for job-specific work elements. the predetermined motion-time data tables provide times for basic motions such as a “reach of a g

Problems 3

Problems  I. An assembly line makes two models of trucks a Buster and a Duster Busters take 12 minutes each and Dusters take 8 minutes each. The daily output requirement is 24 of each per day. Develop a balanced mixed-model sequence to satisfy demand . 2. The tasks and the order in which they must be performed according to their assembly requirements are shown in the following table. These are to be combined in

Problem 2

Problem 2 The following tasks mu t be performed on an assembly line in the sequence and time specified . a. Draw the schematic diagram. b. What is the theoretical minimum number of stations required to meet a fore cased , demand of 400 units per eight-hour day? c. Use the longest-operating-time rule and balance the line in the minimum number of stations to produce 400 units per day. d. Compute the efficiency of

Solved Problems

Problem 1 (Room A), schedule advising (Room B), grade complaints (Room C), and student counseling (Room D). The office is 80 feet long and 20 feet wide. Each room is 20 feet by 20 feet. The present location of rooms is A, B, C, D; that is, a straight line. The contact summary shows the number of contacts that each advisory in a room has with other advisers in the other rooms. Assume that all advisers are equal

Internet Exercise

Internet Exercise Using PLANT and LAYOUT as suggested key words search the Web to identify and describe in detail the plant layout for an individual company. As an alternative, go to the McGraw-Hill Operations Management homepage at http.z/ and take a plant tour of a company and describe the physical layout or the operation.

Review and Discussion Questions

Review and Discussion Questions 2. What is the objective of assembly line balancing? How would you deal with the situation where one worker. although trying hard, is 20 percent slower than the other 10 people on a line? 3. How do you determine the idle-time percentage from a given as emblem line balance? 4. What is the essential requirement for mixed-model lines to be practical? 5. Why might it be difficult to


Conclusion As we saw in the opening vignette. the choice of which type of facility layout to adopt can have a significant impact on the long-term success of a firm. This decision. therefore should not be made lightly but only after an in-depth analysis of the operational requirements has been completed. A major issue to be addressed in facility layout decisions in manufacturing is: How flexible should the layout

Spatial Layout and Functionality

Spatial Layout and Functionality Unlike manufacturing firms where the goal in designing a layout is to minimize the cost of moving material between areas one of the goals of a service operation is to minimize the travel time of employees and in some instances customers. At the same time, the service firm is trying to maximize revenues per customer by exposing them to as many opportunities as possible to spend th

Ambient Conditions

Ambient Conditions These refer to the background characteristics of the operation,including noise level lighting and temperature. (It often is said that the prices in restaurants are inversely related to the amount of lighting the darker the restaurant the more expensive the food) Hanging lights over tables as seen in some of the better restaurants suggests privacy recessed lighting in ceilings on the other hand

Layout Considerations in Services

Layout Considerations in Services to be taken into consideration. First, the cost per square foot for retail locations is u ually very expensive (in comparison to that for a manufacturing facility). Service retail operations. therefore, must design their facilities to maximize the sales generated per square foot (or square meter). To accomplish this, operations such as restaurants have reduced the percentage of