Construction Planning Part 2

By zafir.ilias96 | Updated: May 23, 2018, 8:03 p.m.

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CONSTRUCTION PLANNING (Part 2)

Network Analysis
MUHAMAD ZAFIR BIN ILIAS (2017488692)

NAJAT FAIZON AHMAD FAIZON
(20177488778)

WAN NADIAH BINTI WAN MOHD ZAHID (2017609256)

AP2244F
Let us see about Critical Path
What is critical path?
It's the longest path in a project network
This is to determine the duration of the project
How to find critical path
?
1st Step
List all sequence from start to bottom
2nd Step
Determine the total time required
4
4
7
1
6
3rd Step
Identify the longest path
How about float?
Float?
yes. Float.
The amount of time by which an event can be delayed without affecting the time schedule of the network. 
Total Float (TF)/ Total Slack (TS)
This type of float is known as  the differences between Late start and Early start ‘or’ Late finish and Early finish
For example:

TF( CA) = LS (CA) - ES (CA) TF( CA) = LF (CA) - EF (CA) C

CA is Critical Activity

What is Free Float?
Float
Free
The amount of time a job can be delayed without affecting the Early start time of any other job.
Here is the  formula:

FF(CA) = ES(SA) – EF (CA)

CA = Current Activity
SA = Succeeding Activity

How about independent float?
It is the amount of time that can be delayed without affecting either predecessor or successor activities.
Here is the formula:

IF = ES(SA) – LF(PA) - Duration of CA

ES = Early Start 
LF = Late Finish 
SA = Succeeding Activity 
PA = Preceding Activity 
CA = Current Activity

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Construction Planning Part 2

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