the real gantt charts were smarter than you thinkwilliam playfair (1759-1823) ‘commercial and...
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The real Gantt Charts were smarter than you think
http://www.mosaicprojects.com.au/Planning.html 1
Henry L. Gantt1
The real Gantt Charts were smarter than you think
Patrick Weaver PMP, PMI-SP
Managing Director
Mosaic Project Service Pty Ltd
Henry L. Gantt2
Agenda
• The Myths
• The Facts
• Lessons from Gantt’s Work
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The real Gantt Charts were smarter than you think
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Henry L. Gantt3
Project Planning
• Effective planning has been done for 1000s years
– China: Great Wall, Grand Canal, Beijing
– Pyramids
– Military campaigns
• Records are limited
• Amazing outcomes
See: http://en.wikipedia.org/wiki/Grand_Canal_(China)The total length of the Grand Canal is 1,776 km
Henry L. Gantt4
Project Planning
The Crystal Palace is:
1848 feet [563.3 m] long,
408 ft [124.4 m] wide and
108 ft [32.9 m] high.
New technology -
Prefabricated cast iron was
used extensively
From a rough sketch on blotting
paper to the Great Exhibition of 1851 – How long?
Royal patronage probably helped!!
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The real Gantt Charts were smarter than you think
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Crystal Palace
The Crystal Palace was built in eight and a half months starting on 15 July 1850, opening on 1st May 1851
How long does a
modern shopping centre take to build?
Henry L. Gantt6
The Myth
This is NOT a Gantt Chart!
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The real Gantt Charts were smarter than you think
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Henry L. Gantt7
The Myth
This is NOT a Gantt Chart!
Henry L. Gantt:
• Did NOT work on projects
• Did NOT schedule task sequences
• Did NOT invent Barcharts
Henry L. Gantt8
Barcharts
Joseph Priestley 1765
“…a longer or a shorter space of
time may be most commodiously
and advantageously represented
by a longer or a shorter line.”
William Playfair (1759-1823)
‘Commercial and Political Atlas’
of 1786. Playfair is credited with
developing a range of statistical
charts including the line, bar
(histogram), and pie charts.
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The real Gantt Charts were smarter than you think
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BarchartsKarol Adamiecki 1896
Harmonogram or Harmonygraph
From Schurch 1916: p35
Project date 1912
Henry Gantt published: Work, Wages, & Profits
in 1910
Henry L. Gantt10
Gantt’s Contributions
• Motivation and organisation
• Visual display of complex data
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The real Gantt Charts were smarter than you think
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Henry L. Gantt11
Motivation
• Incentives over Penalties
The earning
of a bonus
becomes
‘normal’
Henry L. Gantt12
Motivation
• Training
• Standardisation
• Problem solving
• Preparation
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The real Gantt Charts were smarter than you think
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Organisation
Allowing workers to be successful
Henry L. Gantt14
Organisation
Allowing workers to be successful
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The real Gantt Charts were smarter than you think
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Motivation
• Time and
sequence
mattered!
• But had to be realistic!!
Henry L. Gantt16
The Gantt Chart
• Written after Gantt’s
death
• Published 1922
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The real Gantt Charts were smarter than you think
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The Gantt Chart(s)
• Load charts
Henry L. Gantt18
The Gantt Chart(s)
• Performance charts
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The real Gantt Charts were smarter than you think
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The Gantt Chart(s)
• Planned, cumulative, daily total and
actual – all in one chart
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The Gantt Chart(s)
• Barcharts pre-date Gantt by 100+ years
• Gantt’s charts focused on production
• Are the forerunner to Earned Value
• But quickly declined in use
“managers would rather show what they
had done rather than consider what
could have been achieved”
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The real Gantt Charts were smarter than you think
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Resources
• Gantt’s books:
http://www.mosaicprojects.com.au/Resources_Papers_158.html
Henry L. Gantt22
Questions Please
Email: [email protected]
Telephone: (03) 9696 8684
Mosaic’s Scheduling home Page
www.mosaicprojects.com.au/Planning.html