PROJECT MANAGEMENT (LOOSELEAF)-W/ACCESS
7th Edition
ISBN: 9781260216011
Author: Larson
Publisher: MCG
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Textbook Question
Chapter 6, Problem 7E
The project information for the custom order project of the Air Control Company is presented here. Draw a project network for this project. Compute the early and late activity tunes and the slack times. Identify the critical path.
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A group of developers is building a new shopping center.A consultant for the developers has constructed theCPM/PERT network below and assigned activity times inweeks. Determine the earliest start and finish times, lateststart and finish times, activity slack, critical path, and duration for the project.
Consider the PERT network given below:
10
1-2-3
20
8-10-12
3-4-6
3-5-7
30
40
50
4-5-6
7-8-9
60
6-8-10
1-4-7
70
Determine the float of each activity and identify
the critical path if the scheduled completion
time for the project is 20 weeks.
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
40
Chapter 6 Solutions
PROJECT MANAGEMENT (LOOSELEAF)-W/ACCESS
Ch. 6 - How does the WBS differ from the project network?Ch. 6 - How are WBS and project networks linked?Ch. 6 - Why bother creating a WBS? Why not go straight to...Ch. 6 - Why is slack important to the project manager?Ch. 6 - What is the difference between free slack and...Ch. 6 - Why are lags used in developing project networks?Ch. 6 - What is a hammock activity, and when is it used?Ch. 6 - Here is a partial work breakdown structure for a...Ch. 6 - Draw a project network from the following...Ch. 6 - Draw a project network from the following...
Ch. 6 - Draw a project network from the following...Ch. 6 - Draw a project network from the following...Ch. 6 - From the following information, develop an AON...Ch. 6 - The project information for the custom order...Ch. 6 - You have signed a contract to build a garage for...Ch. 6 - You are creating a customer database for the...Ch. 6 - K. Nelson, project manager of Print Software....Ch. 6 - A large Southeast city is requesting federal...Ch. 6 - You are creating a customer database for the...Ch. 6 - You are completing a group term paper. Given the...Ch. 6 - You are managing a product upgrade project for...Ch. 6 - You are creating a database for the Oklahoma City...Ch. 6 - The planning department of an electronics firm has...Ch. 6 - Using Microsoft Project, set up the network and...Ch. 6 - The optical disk project team has started...Ch. 6 - From the following information, compute the early,...Ch. 6 - Given the following information, compute the...Ch. 6 - Given the information in the following lag...Ch. 6 - Given the network below, compute the early, late,...Ch. 6 - The CyClon project team has started gathering...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - Advantage Energy Technology Data Center...Ch. 6 - The GE Company is preparing a bid to build the new...Ch. 6 - The GE Company is preparing a bid to build the new...Ch. 6 - The G&E Company is preparing a bid to build the...
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- The 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_forwardThe 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?arrow_forwardA political campaign manager must coordinate several activities to be prepared for an upcoming election. The following table describes the relationships among the activities that need to be completed, as well as the estimated times. Activity Immediate Predecessors Time (Weeks) A - 4 B - 6 C A 3 D A 4 E B, C 8 F B 7 G D,E 2 H F 1 Develop a project network for this problem. Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total project completion time and the critical path(s).arrow_forward
- When developing a schedule network diagram, the project manager must take into account the dependencies between activities as well as the start and finish relationships between activities. List and describe the four types of schedule activity relationships List and describe the four types of schedule activity dependencies Include examples of each item above, that do not come from the PMBOK.arrow_forwardThe 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 11arrow_forwardThe managers at AllBirds have operations in multiple countries, which operate on different financial management systems. This has been increasingly challenging for the company, so the Justin is looking to consolidate and integrate the financial management across all locations into a single software system that can operate across the national boundaries. This is a new, complicated and lengthy project, so Justin has identified a set of activity categories that will need to be carefully managed, as noted in the table. Draw the project network, and compute the expected time and variance for each activity. Develop an activity schedule for this project, compute activity slack time and identify critical path.arrow_forward
- sniparrow_forwardA project schedule has the following characteristics as shown in table 2 Table 2 Activities 1-2 | 1-3 2-4 3-4 3-5 4-9 5-6 5-7 6-8 7-8 8-10 9-10 Time(days) 4 6 5 4 8 5 7 Draw the network diagram using activity on node.Find the critical path for the network and also mention the project completion time.arrow_forwardFor the following schedule, draw the node network, perform the CPM calculations, mark the critical path, and complete the table. I have the node and table filled out I have several questions related to the nodes. What is the project duration? List the activities on the critical path. What is the free float on activity N? What is the total float on activity F? What are the early start and finish dates on activity H? What are the late dates on activity D? What activities have the largest amount of total float? What activities have the most free float and how much?arrow_forward
- The following CPM/PERT network represents a small project with 4 activities labelled A through D. The activity times (in days) are provided in the table. Activity Time 21 8. 12 There's a diagram in the associated PDF file that you can print out and use to answer the following questions. The available slack (S) for Activity C is 57.33 A, B.arrow_forwardActivities, preceding activities, normal and crashed completion times of each of the activities and crashed costs of activities per week of a project are given in the following table. Activity Preceding Activity Normal Crashed Completion time (week) Crashed Cost Completion Time (week) 7 per week A 7 B $500 C 4 3 $700 $600 A A, C В, D D, E D 7 E F 10 9. $800 9 8 $400 i. Draw the network diagram linking all the activities in a way that it shows if there exist any preceding activity/activities before starting each of the mentioned activities in the above table. ii. Find the earliest start time, the earliest finish time, the latest start time and the latest finish time of each of the activities in the drawn diagram of the project and hence the completion time of the project and the critical path.arrow_forwardDraw the network diagram based on the information given below. Calculate the ES, EF, LS, LF and slack for each activity and identify the critical path. Can the project be completed in 40 weeks? Assume that activity A actually finished at the 9th week, activity B actually finished at the 10th Recalculate the expected project completion time. Which activities would you focus on in order to get the project back on schedule? Activity Preceding Activity Time (Weeks) ES EF LS LF Slack A 10 B 8 C A, B 6 D A 8 E B 9 F C, D 7 G D, E 12 H F, G 10arrow_forward
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