ghant chart , importance , preparation, steps and process

1. GANTT CHART
Manpreet kaur
MSc (N) 2nd
Year
07/04/18 1

2. GANTT CHART
As you pass by your manager’s office, you
may notice several graphs posted on his or her
wall.
Go to another department, pass by
another manager’s office, and you will most
likely see the same thing on the wall.
07/04/18 2

3. GANTT CHART
07/04/18 3

4. GANTT CHART
So what exactly is a Gantt chart?
Why do managers use it all the
time?
07/04/18 4

5. GANTT CHART
INTRODUCTION
The first known tool of this type was reportedly developed in
1896 by Karol Adamiecki, who called it a harmonogram.
The chart is named after Henry Laurence Gantt, who designed
his chart around the years 1910–1915
With the advent of the internet and increased collaboration
over networks at the end of the 1990s, Gantt charts became a
common feature
07/04/18 5

6. GANTT CHART
DEFINITION
A Gantt chart is a graphic representation of a project’s schedule,
showing the sequence of tasks, which tasks can be performed
simultaneously, and the most critical tasks to monitor.
A Gantt chart is a bar chart that shows the tasks of a project, when
each must take place and how long each will take. As the project
progresses, bars are shaded to show which tasks have been completed.
A Gantt chart is a 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.
07/04/18 6

7. GANTT CHART
When to Use Gantt Charts
Gantt chart provides a graphical illustration of a schedule that helps to plan,
coordinate, and track specific tasks in a project.
•When scheduling and monitoring tasks within a project.
•When communicating plans or status of a project.
•When the steps of the project or process, their sequence and their
duration are known.
•When it’s not necessary to show which tasks depend on completion of
previous tasks
•Gantt charts are most useful for planning and tracking entire projects
or for scheduling and tracking the implementation phase of a planning
or improvement effort.
07/04/18 7

8. GANTT CHART
In a Gantt chart, each task
takes up on row
Dates run along the top in
increments of days, weeks or
months, depending on the
total length of the project
The expected time for each
task is represented by a
horizontal bar whose left end
marks the expected beginning
of the task and whose right
end marks the expected
completion date.
07/04/18 8

9. GANTT CHART
Tasks may run sequentially,
in parallel or overlapping
The chart is updated by
filling in the bars to a length
proportional to the fraction
of work that has been
accomplished on the task
This way, one can get a
quick reading of project
progress by drawing a
vertical line through the
chart at the current date
07/04/18 9

10. GANTT CHART
Completed tasks lie to the
left of the line and are
completely filled in.
Current tasks cross the line
and are behind schedule if
their filled-in section is to the
left of the line and ahead of
schedule if the filled-in
section stops to the right of
the line.
Future tasks lie completely
to the right of the line.
07/04/18 10

11. GANTT CHART
HOW TO CONSTRUCT
GANTT CHART ??
07/04/18 11

12. GANTT CHART
CONSTRUCTION
1.Identify tasks
2.Draw a horizontal time axis along the top or bottom of a
page. Mark it off in an appropriate scale for the length of
the tasks (days or weeks).
3.Down the left side of the page, write each task and
milestone of the project in order.
07/04/18 12

13. GANTT CHART- construction
For activities that occur over a period of time (such as
developing a plan or holding a series of interviews), draw a bar
that spans the appropriate times on the timeline:
Align the left end of the bar with the time the activity begins,
and align the right end with the time the activity concludes.
Draw just the outlines of the bars and diamonds; don’t fill them
in.
4.Check that every task of the project is on the chart.
07/04/18 13

14. GANTT CHART
Using the Chart
•As events and activities take place, fill in the diamonds and bars
to show completion.
•For tasks in progress, estimate how far along you are and fill in
that much of the bar.
•Place a vertical marker to show where you are on the timeline.
•If the chart is posted on the wall, for example, an easy way to
show the current time is with a heavy dark string hung vertically
across the chart with two thumbtacks.
07/04/18 14

15. GANTT CHART
ADVANTAGES
1.Clarity
2.2. Communication
3.Motivation
4.Coordination
5.Creativity
6.Time Management
07/04/18 15

16. GANTT CHART
DISADVANTAGES
• Although a Gantt chart is useful and valuable for small projects
that fit on a single sheet or screen, they can become quite
unwieldy for projects with more than about 30 activities
• Larger Gantt charts may not be suitable for most computer
displays
• Some projects are often considerably more complex than can
be communicated effectively with a Gantt chart
• Gantt charts do not represent the size of a project or the
relative size of work elements, therefore the magnitude of a
behind-schedule condition is easily miscommunicated
07/04/18 16