Project Management

“Project Planning & Scheduling”

Lecture 9Resource Person: M. Adeel Anjum

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GANTT CHART

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GANTT CHART

• A Gantt chart is a popular type of bar chart that illustrates a project schedule.

• Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project. Terminal elements and summary elements comprise the work breakdown structure of the project. Some Gantt charts also show the dependency (i.e., precedence network) relationships between activities. Gantt charts can be used to show current schedule status using percent-complete shadings

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Gantt Chart Model

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GANTT CHART

Gantt Charts are useful tools for analyzing and planning complex projects. They:

• Help you to plan out the tasks that need to be completed

• Allow you to plan the allocation of resources needed to complete the project, and

• Help you to work out the critical path for a project where you must complete it by a particular date.

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• Henry Laurence Gantt, M.E. (1861 - 23 November 1919) was a mechanical engineer and management consultant who is most famous for developing the Gantt chart in the 1910s.

• These Gantt charts were employed on major infrastructure projects including the Hoover Dam and Interstate highway system and continue to be an important tool in project management.

Historical Evolution of Gantt Chart

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GANTT CHART

To draw up a Gantt diagram, follow these steps:

1. List all activities in the plan 2. Head up graph paper with the days

or weeks through to task completion3. Plot the tasks onto the graph paper4. Schedule Activities 5. Presenting the Analysis

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GANTT CHART

1. List all activities in the plan • For each task, show the earliest

start date, estimated length of time it will take, and whether it is parallel or sequential. If tasks are sequential, show which stages they depend on.

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GANTT CHART

2. Head up graph paper with the days or weeks through to task completion

3. Plot the tasks onto the graph paperPlot each task on the graph paper, showing it starting on the earliest possible date. Draw it as a bar, with the length of the bar being the length of the task.

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GANTT CHART

4. Schedule Activities • Now take the draft Gantt Chart,

and use it to schedule actions. Schedule them in such a way that sequential actions are carried out in the required sequence. Ensure that dependent activities do not start until the activities they depend on have been completed.

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GANTT CHART

5. Presenting the Analysis • The final stage in this process is to

prepare a final version of the Gantt Chart. This shouldcombine the draft analysis with your scheduling and analysis of resources. This chart will show when you anticipate that jobs should start and finish.

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Drill

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Construct Gantt Chart

S.No

Events

Predecessor

Time

1 A - 4

2 B - 5

3 C - 6

4 D A 7

5 E B 2

6 F C 1

7 G E 9

8 H F 10

9 I D 8

10 j G-h 3

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S.No

Events

Predecessor

Time

1 A - 4

2 B A 5

3 C B 6

4 D B 9

5 E C 7

6 F D 13

7 G A 1

8 H G 2

9 I E-H-F 5