5
Work Breakdown Structure, Gantt Chart, and Network Diagram
Devon Allen
Herzing University
Project Management Applications
Dr. Jesus Lemus
Work Breakdown Structure, Gantt Chart, and Network Diagram
A list of activities
ID
Activity
Duration (days)
Predecessor(s)
Resources
1
Requirement gathering
31
–
$20,000
2
Requirement analysis
10
1
$10,000
3
Defining the system scope
5
2
–
4
Finding out the project constraints
2
3
–
5
Risk planning
10
2
$20,000
6
System development Planning
10
2
$25,000
7
System documentation
15
6
$10,000
8
System design
85
7
$50,000
9
Building system model
5
8
5,000
10
Preliminary system analysis
2
9
–
11
System analysis
10
10
15,000
12
Determining system feasibility
5
10
18,000
13
Identification of the development team
5
6
–
14
Division of the work system among developers
3
13
–
15
Front end development
15
14
20,000
16
HTML design
10
14
10,000
17
Graphical user interface design
10
14
25,000
18
Backend system development
20
14
55,000
19
Middleware development
10
14
13,000
20
Software development
15
14
20,000
21
Database design
5
14
15,000
22
Database development
10
21
20,000
23
Database implementation
5
22
–
24
Unit testing
15
14,15,16,17,18,19,20,21,22
40,000
25
System testing
20
24
20,000
26
User acceptance test
25
25
30,000
27
Addressing issues (bugs and errors)
10
25
20,000
28
Implementation
5
27
15,000
29
Conversion
5
28
33,000
30
User training
15
28
40,000
31
Maintenance
5
28
50,000
Critical activities
Critical tasks
Description
Requirement gathering
It is the task of generating a list of the requirements. The requirements can be functional, technical, or systematic. The requirements are gathered from stakeholders who will be used as the bass for a formal definition of requirements.
Requirement analysis
This task involves analyzing the gathered requirements to help identify those that are important to be included in the system
Design and analysis
It is a decision making process that involves analytical tools for the development of the system models that will eventually be converted into an actual system.
Software development
The task involves a set of computer related activities for the process of evaluation, designing, and deployment of the product.
Testing
The task involves the process of evaluation and verification of the project product. It ensures that the delivered product meets the customer requirements.
Critical path
Work break down structure (WBS)
Gantt chart
Network diagram
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