View the step-by-step solution to: Chapter 10, Problem 2 Fresh Foods Grocery is considering

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Chapter 10, Problem 2 Fresh Foods Grocery is considering redoing its facility layout. The from–to matrix showing daily customer trips between departments is shown in the table below. Trips between Departments Department A B C D E F A. Dry groceries — 15 45 25 10 50 B. Bread — 30 16 25 25 C. Frozen foods — 34 15 20 D. Meats — 40 10 E. Vegetables — 20 F. Health and beauty aids — Their current layout is shown in figure below. The following layout is proposed for Fresh Foods Grocery. Compute the ld score for Fresh Foods' current and proposed layouts. Current Layout Proposed Layout Chapter 10, Problem 6 Gator Office Systems has interviewed managers in order to develop the from–to matrix: Trips between Departments Department A B C D E F A — 30 — 34 50 25 B — — 55 10 10 C — — 15 5 D — — — E — 30 F — The current layout is shown in the figure below. A better layout has been proposed for Gator Office Supplies: Compute the ld score for Gator Office Supplies' current and proposed layouts. Current Layout Proposed Layout Chapter 10, Problem 8 David's Sport Supplies is a store that sells sports equipment and gear for teenagers and young adults. David's is in the process of assigning the location of storage areas in its warehouse to minimize the number of trips made to retrieve needed items. Given in the table below are the departments that need to be located, the number of trips made per week for each department, and the area needed by each department. Trips to and Area Department from Dock Needed 1. Baseball equipment 160 2 2. Football gear 100 1 3. Hockey equipment 150 3 4. Basketball equipment 120 1 5. Sports clothes 270 3 Which location scheme is the best? Chapter 10, Problem 10 MMS Associates is a telecommunications service provider. The company is currently redesigning its main office to accommodate six newly hired salespeople. Some of the salespeople are expected to work in teams, so office assignments are very important. The table below presents the from–to matrix showing the expected frequency of contacts between members of the new sales staff. Sales Person A B C D E F A — 6 12 18 1 1 B — 4 19 3 0 C — 5 0 0 D — 7 19 E — 0 F — This block plan shows the assigned office locations for the six sales members. Michael Marc, the President of MMS Associates, is considering an alternative plan: What is the ld score for this plan? How does it compare to the original plan considered? An alternative plan is . Chapter 10, Problem 12 A manufacturing company is designing an assembly line to produce its main product. The line should be able to produce 60 units per hour. The following data in the Table give the necessary information. Task Immediate Predecessor Task Time (sec) A None 35 B A 50 C A 21 D B 38 E C 25 F D, E 58 G F 15 (a) Which task is the bottleneck? Task is the bottleneck. b) Select the appropriate precedence diagram for the above information. (c) Compute the cycle time with a desired output of 60 units per hour. C = seconds/unit Chapter 10, Problem 18 A dress-making operation is being designed as an assembly line. The table below shows the tasks that need to be performed, their task times, and preceding tasks. If the goal is to produce thirty dresses per hour, answer the questions. Work Element Immediate Predecessor Task Time (sec) A. Cut dress body None 30 B. Cut sleeves None 40 C. Cut collar None 20 D. Sew dress body A 100 E. Sew sleeves to dress B, D 25 F. Sew collar to dress C, D 50 G. Hem dress E, F 50 H. Package dress G 90 (a) Compute the cycle time. C = seconds/dress (b) Which task is the bottleneck? Task is the bottleneck c) What is the maximum output for this line? Maximum Output = dresses per hour. d) Compute the theoretical minimum number of stations. (Round your answer up to the nearest whole number.) TM = stations. or 4 stations. (e) Assign work elements to stations, using the longest task time rule. Work Station Task Selected (f) Compute the efficiency and balance delay of your assignment. (Round your answers to 2 decimal places, the tolerance is +/-0.05) Efficiency = % Balance Delay = % Chapter 10, Problem 20 The table below shows the tasks required to assemble an aluminum storm door and the length of time needed to complete each task. Task Immediate Predecessor Task Time (sec) A None 32 B A 43 C A 12 D A 23 E B, C, D 15 F E 25 G None 20 H F, G 5 Suppose a cycle time is 90 seconds (a) Compute the theoretical minimum number of workstations. (Round your answer up to the nearest whole number.) TM = workstations (b) Compute the outputs. (Round your answers to 2 decimal places, the tolerance is +/-0.05.) The maximum output? units per hour The minimum output? units per hour (c) Compute the efficiency. (Round your answer to 2 decimal places, the tolerance is +/-0.05.) Efficiency = %
8 pages Bus 515 Chapter 10 hw week 7.docx

Chapter 10, Problem 2
Fresh Foods Grocery is considering redoing its facility layout. The fromto matrix showing daily customer trips
between departments is shown in the table below.
Trips between Departments
Depa
rtmen

A

B

C

D

E

F

t
A. Dry
grocer
ies
B.
Bread
C.
Froze
n
foods
D.
Meats
E.
Veget
ables
F.
Healt
h and
beaut
y aids



15


Their current layout is shown in figure below.

The following layout is proposed for Fresh Foods Grocery.

45

25

10

50

30

16

25

25



34

15

20



40

10



20



Compute the ld score for Fresh Foods' current and proposed layouts.
Current Layout
Proposed Layout
Chapter 10, Problem 6
Gator Office Systems has interviewed managers in order to develop the fromto matrix:
Trips between Departments
Dep
artm

A

B

C

D

E

F

ent
A
B
C
D



30






34
55



E
F

The current layout is shown in the figure below.

A better layout has been proposed for Gator Office Supplies:

Compute the ld score for Gator Office Supplies' current and proposed layouts.
Current Layout
Proposed Layout
Chapter 10, Problem 8

50
10
15



25
10
5

30


David's Sport Supplies is a store that sells sports equipment and gear for teenagers and young adults. David's is in
the process of assigning the location of storage areas in its warehouse to minimize the number of trips made to
retrieve needed items.

Given in the table below are the departments that need to be located, the number of trips made per week for each
department, and the area needed by each department.
Trips to and
Department
1. Baseball
equipment
2. Football gear
3. Hockey
equipment
4. Basketball
equipment
5. Sports clothes
Which location scheme is the best?

Chapter 10, Problem 10

Area

from Dock

Needed

160

2

100

1

150

3

120

1

270

3

MMS Associates is a telecommunications service provider. The company is currently redesigning its main office to
accommodate six newly hired salespeople. Some of the salespeople are expected to work in teams, so office
assignments are very important. The table below presents the fromto matrix showing the expected frequency of
contacts between members of the new sales staff.
Sale
s
Pers
on
A
B
C
D

A



B

6


C

12
4


D

18
19
5


E

E

F

1
3
0
7


F
This block plan shows the assigned office locations for the six sales members.

Michael Marc, the President of MMS Associates, is considering an alternative plan:

What is the ld score for this plan?

1
0
0
19
0


How does it compare to the original plan considered?
An alternative plan is .

Chapter 10, Problem 12
A manufacturing company is designing an assembly line to produce its main product. The line should be able to
produce 60 units per hour. The following data in the Table give the necessary information.
Task
A
B
C
D
E
F
G

Immediate

Task Time

Predecessor

(sec)

None
A
A
B
C
D, E
F

(a) Which task is the bottleneck?
Task is the bottleneck.

b) Select the appropriate precedence diagram for the above information.

35
50
21
38
25
58
15

(c) Compute the cycle time with a desired output of 60 units per hour.
C = seconds/unit
Chapter 10, Problem 18
A dress­making operation is being designed as an assembly line. The table below shows the tasks that need to be
performed, their task times, and preceding tasks. If the goal is to produce thirty dresses per hour, answer the
questions.

Work
Element
A. Cut dress
body
B. Cut
sleeves
C. Cut collar
D. Sew dress
body
E. Sew
sleeves to
dress
F. Sew collar
to dress
G. Hem
dress
H. Package
dress

Immediate

Task Time

Predecessor

(sec)

None

30

None

40

None

20

A

100

B, D

25

C, D

50

E, F

50

G

90

(a) Compute the cycle time.
C = seconds/dress

(b) Which task is the bottleneck?
Task is the bottleneck
c) What is the maximum output for this line?
Maximum Output = dresses per hour.

d) Compute the theoretical minimum number of stations.

(Round your answer up to the nearest whole number.)
TM = stations.
or 4 stations.

(e) Assign work elements to stations, using the longest task time rule.
Work Station

Task Selected

(f) Compute the efficiency and balance delay of your assignment.
(Round your answers to 2 decimal places, the tolerance is +/­0.05)
Efficiency

=

%

Balance
Delay

=

%

Chapter 10, Problem 20
The table below shows the tasks required to assemble an aluminum storm door and the length of time needed to
complete each task.

Task

A
B
C
D
E
F
G

Immedia
te
Predece
ssor
None
A
A
A
B, C, D
E
None

Task
Time
(sec)
32
43
12
23
15
25
20

H

F, G

Suppose a cycle time is 90 seconds
(a) Compute the theoretical minimum number of workstations.
(Round your answer up to the nearest whole number.)
TM = workstations

(b) Compute the outputs.
(Round your answers to 2 decimal places, the tolerance is +/­0.05.)
The maximum output?
units per hour
The minimum output?
units per hour

(c) Compute the efficiency.
(Round your answer to 2 decimal places, the tolerance is +/­0.05.)
Efficiency = %

5

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The solution is... View the full answer

layout.docx

Sol: Problem (2)

Current layout
Proposed layout

Sol: Problem (6)

Current layout
Proposed layout

Sol: Problem (8)

Sol: Problem (10)

Sol: Problem (12)
(a) Task A is the bottleneck.
(b)

(c)...

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