8.2 Gantt Chart

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Dr. Tarek A. TutunjiEngineering Skills, Philadelphia University

8.2 Gantt ChartsDr. Tarek A. Tutunji

Philadelphia University, Jordan




Overview In the previous section, an introduction to Project

Management was provided.

In this sequence, Gant Charts will be introduced.




Graphical Project Planning Graphical project planning techniques are very helpful

in project management.

The most commonly used are:

Gantt Charts.

Critical Path Method (CPM).




Graphical Project Planning For projects that involve teams and sequence of steps ,

Project manager needs to:

Identify the tasks that need to be completed.

Specify the order of the tasks.

Specify the dependencies of the tasks.

Estimate the duration of each task.

Assign persons to each task.

Identify the intermediate deadlines.




Tasks Tasks are significant activities that need to be

performed by the team in order to accomplish theproject goals.

Tasks are often grouped into categories.

Each category can be treated as a summary task.




Gantt Chart Gantt chart is a graphical planning/scheduling tool

that is easy-to-do and commonly-used.

Gantt charts were invented by Henry Gantt in 1900’s

The basics of Gantt chart is:

The horizontal axis is time.

The vertical axis is the tasks.

Bars show duration of tasks. Triangles show milestones

Dashed lines show dependencies




Simple Gantt Chart

T

A

S

K

S

TIME

A

B

C

D

E




Source: Nathanial Osgood, MIT




Source: D. Grover, Mechanical Engineering Dept., University of Minnesota




Source: Steve Easterbrook, Dept. of Computer Science, University of Toronto




Gantt Chart Example Suppose that you have been assigned the task of

designing and building a toy-helicopter




Identify the tasks Design the helicopter.

Build the helicopter.

Review the literature.

Write the report. Set the specifications.

Simulate the system.

Buy the components.

Test the helicopter.




Order the tasks1. Set the specifications.

2. Review the literature.

3. Design the helicopter.

Electrical part. Mechanical part.

Software part.

Simulate.

4. Implement the helicopter

Buy the components. Build the helicopter.

5. Test the helicopter.

6. Write the report.




Estimate time for each tasks1. Set the specifications 2 week

2. Review the literature. 3 weeks

3. Design the helicopter.

Electrical part. 4 weeks Mechanical part. 6 weeks

Software part. 3 weeks

Simulate 3 weeks

4. Implement the helicopter

Buy the components. 4 weeks Build the helicopter. 3 weeks

5. Test the helicopter. 3 weeks

6. Write the report. 4 weeks




month 1 month 2 month 3 month 4 month 5 month 6

1. Set Specifications

2. Review Literature

3. Design

3.1. Electrical

3.2. Mechanical

3.3. Software

3.4. Simulate

4. Implement

4.1 Buy

4.2 Build

5. Test

6. Write Report




Gantt Chart Advantages Easy-way to plan-and-read project schedule

Time is explicit.

All tasks are visible. The relationship among the tasks is shown.

Deadlines are shown.

Project status and progress can be determined.




Conclusions In this sequence, graphical project planning

techniques were introduced.

A commonly-used graphical planning technique is theGantt charts.

In this sequence, Gantt charts were presented andseveral examples using this technique were shown.

8.2 Gantt Chart

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