Critical path analysis11
Transcript of Critical path analysis11
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Critical Path Analysis Presented by
Mushahid KhatriJaysinh Shukla
Nimish Doshi
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“A project is a series of activities directed to accomplishment of a desired objective.”
Project
Plan your work first…..then work your plan
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Each event has two important times associated with it :
Earliest time , Te , which is a calendar time when a event can occur when all the predecessor events completed at the earliest possible times
Latest time , TL , which is the latest time the event can occur without delaying the subsequent events and completion of project.
Difference between the latest time and the earliest time of an event is the slack time for that event
Activity Slack
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Float
Negative Zero Positive
Floats
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Node
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Activity
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Starting Event Completion Event
Activity
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A
Activity A
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A
Activity B must follow A
B
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M.R(Mind Refreshment)
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BLUE
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RED
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WHITE
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BLACK
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YELLOW
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ORANGE
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WHITE
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BLACK
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YELLOW
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ORANGE
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BLUE
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RED
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WHITE
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BLACK
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YELLOW
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ORANGE
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Activity
Description Predecessors
Duration (days)
A Organize sales office - 6B Hire salesmen A 4C Train salesmen B 7D Select advertising agency A 2E Plan advertising campaign D 4F Conduct advertising
campaignE 10
G Design package - 2H Setup packaging facilities G 10I Package initial stocks J,H 6J Order stock from
manufacturer- 13
K Select distributors A 9L Sell to distributors C,K 3M Ship stocks to distributors I,L 5
Example
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1
4
3
2
7
8
10
5
6 9
A(6)
E(4)D(2)
F(10)
I(6)
M(5)
H(10)J(13)
G(2)
K(9)
B(4)
C(7)
L(3)
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4
3
2
7
8
10
5
6 9
A(6)
E(4)D(2)
F(10)
I(6)
M(5)
H(10)J(13)
G(2)
K(9)
B(4)
C(7)
L(3)
E4=13L4=14
E1=0L1=0
E9=20L9=20
E3=2L3=4
E2=6L2=6
E5=10L5=10
E6=17L6=17
E7=8L7=11
E8=12L8=15
E10=25L10=25
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1
4
3
2
7
8
10
5
6 9
A(6)
E(4)D(2)
F(10)
I(6)
M(5)
H(10)J(13)
G(2)
K(9)
B(4)
C(7)
L(3)
E4=13L4=14
E1=0L1=0
E9=20L9=20
E3=2L3=4
E2=6L2=6
E5=10L5=10
E6=17L6=17
E7=8L7=11
E8=12L8=15
E10=25L10=25
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Useful at many stages of project management
Mathematically simple
Give critical path and slack time
Provide project documentation
Useful in monitoring costs
Benefits of CPM
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Completion date?
On Schedule?
Within Budget?
Critical Activities?
How can the project be finished early at the least cost?
Questions Answered by CPM
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Thank You for attending short and sweet presentation……