EBK OM
6th Edition
ISBN: 9781305888210
Author: Collier
Publisher: YUZU
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Chapter 18, Problem 1CQD
Summary Introduction
Interpretation: The project network diagram is to be constructed and the normal time to complete the project activity slack time, critical path and total cost using the critical path method is to be calculated.
Concept Introduction:
The critical path is the path which has the sequence of the activities with the maximum duration. Thus, this time will take maximum time to complete project.
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Students have asked these similar questions
Draw a network diagram for the project.
Find the minimum project completion time.
Identify the critical activities and critical path.
The Farmer's American Bank of Leesburg is planning to install a new computerized accounts system.
Bank management has determined the activities required to complete the project, the precedence
relationships of the activities, and activity time estimates, as shown in the following table. Use POM-
QM to analyze this project. According to the result of POM-QM, the expected project completion
time is (type number only, no text)
Activity
a
b
C
d
C
f
8
k
Activity Description
Position recruiting
System development
System training
Equipment training
Manual system test
Preliminary system changeover
Computer-personnel interface
Equipment modification
Equipment testing
System debugging and installation
Equipment changeover
Activity
Predecessor
a
a
b, c
b, c
d, e
d, e
h
f.g
a
5
3
4
5
I
1
3
Time Estimates
(weeks)
1
1
2
5
m
8
12
7
8
I
4
6
2.5
1.
2
8
b
17
15
10
23
1
13
9
7
1
2
11
The table below show a set of activities of an IS project,its expected completion time (ET) and preceding activities.
Activity
Preceding
Activity
Expected
Time (ET)
A
-
7
B
A
9
C
A,B
5
D
C
17
E
C
12
F
C
7
G
D,E,F
10
H
D,G
7
Draw a network diagram for the IS project shown above.,and calculate its earliest completion time (TE), latest completion time (TL) and slack time (ST).
If the activity E took 16weeks instead of 12weeks to complete ,what impact will it have on the project duration?
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- The table below show a set of activities of an IS project,its expected completion time (ET) and preceding activities. Activity Preceding Activity Expected Time (ET) A - 7 B A 9 C A,B 5 D C 17 E C 12 F C 7 G D,E,F 10 H D,G 7 Construct a network diagram ,and calculate its earliest completion time (TE), latest completion time (TL) and slack time (ST). If the activity E took 16weeks instead of 12weeks to complete ,what impact will it have on the project duration?arrow_forward1. Activity Preceding activity Activity duration A - 6 B - 3 C B 1 D A, C 2 E B 5 F D 2 G E, F 6 Draw an AOA diagram based on the activities and their relationships given in the table. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. Determine the slack time for each path. Find the critical activities and critical path. Determine the length of the project.arrow_forwardProject managers use tools, such as Gantt charts and program evaluation and review technique (PERT) diagrams, to determine the appropriate actions to balance cost and schedule. Also, project managers must understand the effects of Gantt and PERT charts in the critical path methodology (CPM). You are presented with data to use while creating a critical path. Gantt and PERT charts and CPMs can be created and performed in Microsoft Excel; many project management software suites provide users with enhanced tools for simplifying these tasks. How you would advise a person or a company to use Gantt and PERT charts. Differentiate between the 2.arrow_forward
- Project managers use tools, such as Gantt charts and program evaluation and review technique (PERT) diagrams, to determine the appropriate actions to balance cost and schedule. Also, project managers must understand the effects of Gantt and PERT charts in the critical path methodology (CPM). You are presented with data to use while creating a critical path. Gantt and PERT charts and CPMs can be created and performed in Microsoft Excel; many project management software suites provide users with enhanced tools for simplifying these tasks Describe how you would advise a person or a company to use Gantt and PERT charts. Differentiate between the 2.arrow_forwardDraw a fully analyzed AON network diagram and determine the project duration. Be sure to include all activity times (ES, LS, EF, LF) in the network diagram. also, prepare an activities boundary timetable for the project.arrow_forwardThe following is the data available for a project: Activity Predecessor Expected Duration (Days) A - 12 B A 9 C B,E 3 D - 10 E D 6 F E 3 G - 2 H G 9 I E,H 2 Expected duration for the completion of the project. Calculate earliest and latest start and finish times for each activity. Draw the network diagram for the project and determine the critical patharrow_forward
- Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: O Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) E F A B C D Dave's earliest start (ES) and earliest finish (EF) are: 5 8 00 2 2 Activity HOT G ES Н EF 5 5 5 10 7 B B C, E D.Farrow_forwardA project has the activity duration and cost information indicated in the table where all times are in weeks. What is the total cost for completing this project in 50 days? Activity Predecessor Normal Time Normal Cost Crash Time Crash Cost A -- 8 $12,000 5 $21,000 B A 12 $20,000 9 $30,000 C A 15 $24,000 10 $60,000 D B 3 $10,000 2 $15,000 E C 9 $17,000 6 $34,000 F E 7 $5,000 6 $6,000 G D 8 $14,000 6 $20,000 H A 12 $22,000 10 $30,000 I H 6 $50,000 5 $55,000 J F, G, I 11 $33,000 9 $50,000arrow_forwardDave Fletcher was able to determine the activity times for constructing his laser scanning machine Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Time Activity (weeks) A 6 B 8 с 2 D 1 Immediate Time Predecessor(s) Activity (weeks) E 3 F 7 A A Dave's earliest start (ES) and earliest finish (EF) are: G H 9 8 Immediate Predecessor(s) B B C, E D.Farrow_forward
- The project information of the project Automated Warehouse Order Picking System is presented as following. Draw a project network for this project. Compute the early and late activity times and the slack times. Identify the critical path. How many days will the project take? ID A B C D E F G H 80 130 85 95 Activity Define requirements Assign team Design hardware Code software Build & test hardware Develop patent request Test software Integrate systems Predecessor None A A B C C D E (F-S, lag 20d),F,G Time (days) 5 сл сл 5 20 20 10⁰ 15 15 40arrow_forwardDave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A E B F с G D H Dave's earliest start (ES) and earliest finish (EF) are: 6 7 3 2 A A Activity A ES EF 6 4 6 10 7 B B C, E D, Farrow_forwardConsider the following project activities: Activity Name Immediate Predecessor (list number/ name, separated by ‘,’) Normal Time A - 6 B - 9 C A 12 D A, B 8 E D 9 F C, E 6 G E 5 Fill the given table with the required data and draw the network diagram for the above project activities to find the critical path.arrow_forward
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