Download - Duration - The Holy Grail of MS Project?
MS Project
How MS Project Deals With Duration
MS Project Perspective on Duration
Duration
Units of Productive Capacity
Is a Function of
Productive Work
Required
MS Project Perspective on Duration
• Duration:– How long it will take to complete a task/activity
and thereby contribute to building a deliverable– Given:– The productive work required and the units of
production capacity available– Expressed as time (minutes; hours; days)
MS Project Perspective on Duration
• Productive Work:– How long it will take to complete a task/activity
and thereby contribute to building a deliverable– Given:– The productive work required and the units of
production capacity available– Expressed as time (minutes; hours; days)
MS Project Perspective on Duration
• Unit of Capacity Available for Work– The availability of productive capacity to conduct
work– Given – The Calendar configuration in MS Project– Expressed as availability (100 = full availability)
DURATION = WORK/UNITS
WORK = DURATION *UNITS
UNITS = WORK/DURATION
16 8/.5
8 16 *.5
.5 8/16
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
DURATION = WORK/UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
DURATION = 8 HRS/ 1
DURATION = 8 HRS/.5
Duration Work Units
Duration Work Units
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
WORK = DURATION *UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
WORK = 8 *.5
WORK = 16 *.5
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
DURATION = WORK/UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
DURATION = 8/1
DURATION = 16/1
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
DURATION = WORK/UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
DURATION = 8/ 1
DURATION = 8/.5
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
UNITS = WORK/DURATION
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
UNITS = 8/8
UNITS = 8/16
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
DURATION = WORK/UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
DURATION = 8/1
DURATION = 16/1
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
WORK = DURATION *UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
WORK = 8 *1
WORK = 8 *.5
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
WORK = DURATION *UNITS
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
WORK = 8 *1
WORK = 16 *1
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
UNITS = WORK/DURATION
IN A IF YOU REVISE UNITS
IF YOU REVISE DURATION
IF YOU REVISE WORK
Fixed-units task Duration is recalculated.
Work is recalculated.
Duration is recalculated.
Fixed-work task Duration is recalculated
Units are recalculated.
Duration is recalculated.
Fixed-duration task Work is recalculated.
Work is recalculated.
Units are recalculated.
UNITS = 8/8
UNITS = 16/8