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4D Scheduling: the Reality and the Hype
Prepared by:
Charlie Dunn
4D | Project Controls | Scheduling
Duke Energy
Does 4D deliver? Tales from the biggest projects on the Strip to 72 hours in a power plant outage . . .
Session ID#:
@charliedunn
Some Stuff about Charlie
//storyteller
//21 years Project Controls experience
//successful projects including;
Accenture, Apple, Dell,
Lockheed Martin Aerospace,
Navistar, Primavera, Tishman
and currently Duke Energy
//passionate about communication
A Working Definition of Scheduling
the science of defining
activities and
network logic to
track progress and
predict completion
and
//the art of communicating
the schedule to stakeholders
Hype:
1. Excessive publicity and the ensuing commotion:
2. Exaggerated or extravagant claims made especially
in advertising or promotional material:
3. An advertising or promotional ploy:
4. Something deliberately misleading; a deception:
a bit of Dickens
It was the best of times,
it was the worst of times,
it was the age of wisdom,
it was the age of foolishness,
it was the epoch of belief,
it was the epoch of incredulity,
it was the season of light,
it was the season of darkness,
it was the spring of hope,
it was the winter of despair . . .
Huntersville, 2014
//4.5 week duration on other unit in 2012
//12 day duration planned for Spring 2013
//Could it be done in 72 hours?
//11 crews in 15 by 22 by 40 feet of space,
with equipment and scaffolding
Lessons from Vegas
//Model for the problem you are trying to solve
// Schedule activity for every visible step in the model
// Goal is to increase schedule certainty and decrease risk
// Schedule design is a known workflow,
3D design or acquisition is not
// 4D provides exponential benefits
Building the 4D
//Schedule development (6 weeks)
//Point Cloud field walk down (1 hour)
//Point Cloud field scan (3 hours)
//Point Cloud modeling (2 days)
//Synchro schedule connection (1 day)
//Round trip refinements (4 days)
//Additional Model elements
//Schedule revision
//Synchro “highlights”
//where does it look like the water is going?
//where is the water going?
//where does the water want to go?
Lesson from the River
Reality:
1. The quality or state of being actual or true.
2. One, such as a person, an entity, or an event, that is
actual:
3. The totality of all things possessing actuality,
existence, or essence.
4. That which exists objectively and in fact:
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