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How many times you had a nightmare with Tasks in MS Project? For example, you had expected that Task will need only 40 hours, because it will last 5 Days, but it took 60 hours? Or you add the additional Resource to the Task, but the Task remains the Same! Now is the time to clear this out forever! You will learn different task types with effort and non-effort driven situation! And you will remember the MAGIC FORMULA FOREVER! Nevena Krajcar
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SHAREPOINT AND PROJECT CONFERENCE ADRIATICS 2013
ZAGREB, NOVEMBER 27-28 2013
How to Choose the Right Task Type in Microsoft Project?
NEVENA KRAJCAR, PERPETUUM MOBILE D.O.O.
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Content• Introduction to measures and task types …• Remember the magic formula …• Show me how this works …• When to use …• Remember the magic formula …
Measures• Any task can be adjusted using three measures:
UNITS, DURATION, OR WORK
UNITS• the number of resources assigned to work on a task (%).
DURATION• the length of a task (days).
WORK• the amount of time needed to actually do the task (hours).
REMEMBER THIS!!!
DURATION UNITS WORK
Task Types• Measures are dependent on each other
Which measure should be automatically recalculated?
• Task types:FIXED UNITS, FIXED WORK, FIXED DURATION
Field that you change: FIXED UNITS FIXED WORK FIXED DURATION
WORK Duration is recalculated
Duration is recalculated
Units are recalculated
DURATION Work is recalculated Units are recalculated Work is recalculated
UNITS Duration is recalculated
Duration is recalculated Work is recalculated
Task Types
FIXED UNITS – Non Effort Driven• Change UNIT DURATION changes
• Change WORK DURATION changes
• Change DURATION WORK changes
U = 50% FIXED; W = 24hrsD * U = WD * 0,5 = 24 hrsD = 48 hrs (8 hrs/day) = 6 days
U = 100% FIXED; W = 40 hrsD * U = WD * 1 = 40 hrsD = 40 hrs (8 hrs/day) = 5 days
U = 100% FIXED; D = 4 days = 32 hrs; D * U = W32 hrs * 1 = WW = 32 hrs
FIXED UNITS – NON EFFORT DRIVEN
FIXED WORK – Non Effort Driven• Change UNIT DURATION changes
• Change WORK DURATION changes
• Change DURATION WORK does not change
W = 24 hrs FIXED; U = 50%D * U = WD * 0,5 = 24 hrsD = 48 hrs = 6 days
W = 40 hrs FIXED; U = 100%D * U = WD * 1 = 40 hrsD = 40 hrs = 5 days
W = 24 hrs FIXED; D = 5 days; U = 100%D * U = W?24 hrs work in 5 days = 24/5 = 4,8 hrs/day
FIXED WORK – NON EFFORT-DRIVEN
Important!• Did you notice?
FIXED WORK IS ALWAYS EFFORT DRIVEN!
FIXED DURATION – Non Effort Driven• Change UNIT WORK changes
• Change WORK DURATION and UNITS do not change
• Change DURATION WORK changes
D= 3 days FIXED; U = 50%D * U = W24 hrs * 0,5 = WW = 12 hrs
D = 3 days FIXED; U = 100%; W = 40 hrs; D * U = W?!40 hrs in 3 days = 40/3 = 13,33 hrs/day
D = 5 days FIXED; U = 100%D * U = W40 hrs * 1 = WW = 40 hrs
FIXED DURATION – NON EFFORT-DRIVEN
Effort driven vs. Non Effort Driven• Where is the difference?• In redistributing Resources!
• Example:
Book reading is non effort driven!Walls painting is effort driven!
Effort driven vs. Non Effort Driven• Fixed Units
Effort driven vs. Non Effort Driven• Fixed Work (always Effort Driven)
Effort driven vs. Non Effort Driven• Fixed Duration
EFFORT DRIVEN VS. NON EFFORT DRIVEN
When to use …• Fixed Units
• the number of resources you have for the task is the first or main thing you know.• you can’t get more resources to do the work - your resources are fixed.• you want to change the duration or the work on a task while keeping the number of
people working on the task the same (assignment units).• you want to keep the resource working on a task at a certain percentage of his or her
available hours.
• Fixed Work• the effort required is the first thing you estimate.• the effort required is the easiest thing to estimate. • your resources give you task estimates in work hours.
• Fixed Duration• the duration is the first thing you estimate.• the duration stays the same when adding resources.• tasks that always have a group of resources assigned.• the deadline is so tight that it’s the primary driver for the duration of the task.• the workload isn’t your problem.
AND - REMEMBER THIS!!!
DURATION
(PEAK)UNITS WORK
CALENDAR (hours/day)x
ASSIGNMENT UNITS (%)DURATION (days) ASSIGNMENT WORK
(hours)
questions?
BLOG.PERPETUUM.HR
@NEVENAKRAJCAR
thank you.
SHAREPOINT AND PROJECT CONFERENCE ADRIATICS 2013
ZAGREB, NOVEMBER 27-28 2013