Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 11.6, Problem 14P
Summary Introduction
Interpretation: Layout representsthe exchanging of locations A and D is to be constructed along with the centroid of the new location.
Concept Introduction:
Computerized Relative Allocation of Facilities Techniques (CRAFT) refers to the computerized tools used to improve the existing layout of the facilities. The final goal of the CRAFT technique is to minimize the transportation cost involved in moving the units across the departments.
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A Missouri job shop bas four departments- machining (M), dipping in a chemical bath (D), finishing (F), and plating (P)-assigned to four work areas. The operations manager, MaryMarrs, bas gathered the following data for this job shop as it is currently laid out (Plan A). It costs $0.50 to move workpiece foot in the job shop.Marrs's goal is to find a layout that bas the lowest materialhandlingcost.a) Detemline cost of the current layout, Plan A, from the given data.b) One alternative is to switch those departments with the high loads, namely, finishing (F) and plating (P), which alters the distance between them and machining (M) and dipping (D), as follows: What is the cost of this layout?Marrs now wants you to evaluate Plan C, which also switches milling (M) and dri lling (D), below.…
5 departments are to be assigned to locations B-F in the grid. (For technical reasons, department 6 must
be assigned to location A). Transportation cost is Rs.3 per foot. Information on interdepartmental work
flows and distances between locations is shown in the following tables.
Develop a suitable layout that minimizes transportation costs using the given information. Compute the
total cost. Assume the reverse distances are the same.
From
Distance between Locations (Feet)
To
A
B
D
E
F
A
70
120
70
100
150
70
110
60
90
160
80
70
D
70
140
E
70
F
From
Distance between Locations (Feet)
To
2
4
115
52
54
15
40
2
10
16
44
3
2
20
13
2
6
A Dept. 6
B
D
E
F
Consider the example of the machine shop with the from-to charts given in Figures 11–3 through 11–5. Based on the results of Figure 11–5, in what ways might the current layout be improved?
Chapter 11 Solutions
Production and Operations Analysis, Seventh Edition
Ch. 11.3 - Prob. 1PCh. 11.3 - Prob. 2PCh. 11.3 - Prob. 3PCh. 11.3 - Prob. 4PCh. 11.3 - Prob. 5PCh. 11.3 - Prob. 6PCh. 11.4 - Prob. 7PCh. 11.4 - Prob. 8PCh. 11.5 - Prob. 10PCh. 11.6 - Prob. 11P
Ch. 11.6 - Prob. 12PCh. 11.6 - Prob. 13PCh. 11.6 - Prob. 14PCh. 11.6 - Prob. 15PCh. 11.6 - Prob. 16PCh. 11.6 - Prob. 17PCh. 11.6 - Prob. 18PCh. 11.6 - Prob. 19PCh. 11.7 - Prob. 20PCh. 11.7 - Prob. 21PCh. 11.7 - Prob. 22PCh. 11.7 - Prob. 23PCh. 11.8 - Prob. 24PCh. 11.8 - Prob. 25PCh. 11.8 - Prob. 26PCh. 11.8 - Prob. 27PCh. 11.9 - Prob. 28PCh. 11.9 - Prob. 29PCh. 11.9 - Prob. 30PCh. 11.9 - Prob. 31PCh. 11.9 - Prob. 32PCh. 11.9 - Prob. 33PCh. 11.9 - Prob. 34PCh. 11.9 - Prob. 35PCh. 11.9 - Prob. 36PCh. 11.9 - Prob. 37PCh. 11.9 - Prob. 38PCh. 11.10 - Prob. 39PCh. 11.10 - Prob. 40PCh. 11.10 - Prob. 41PCh. 11.11 - Prob. 42PCh. 11.11 - Prob. 43PCh. 11.11 - Prob. 45PCh. 11 - Prob. 46APCh. 11 - Prob. 47APCh. 11 - Prob. 48APCh. 11 - Prob. 49APCh. 11 - Prob. 50APCh. 11 - Prob. 51APCh. 11 - Prob. 52APCh. 11 - Prob. 53APCh. 11 - Prob. 54APCh. 11 - Prob. 55APCh. 11 - Prob. 56APCh. 11 - Prob. 58AP
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