prof. awad hanna precedence diagram advantages of using precedence diagram: 1. no dummy activity are...
Post on 22-Dec-2015
217 Views
Preview:
TRANSCRIPT
Prof. Awad Hanna
Advantages of using Precedence Diagram:1. No dummy activity are required.2. A single number can be
assigned to identify each activity.3. Analytical solution is simpler.
Prof. Awad Hanna
20A
30B
30C
20A
30B
40C
(a) Incorrect Representation
(b) Correct Representation
Prof. Awad Hanna
A D
C E
B
(a) Incorrect Representation
A D
C E
(b) Correct Representation
Starting Dummy Finish DummyB
Prof. Awad Hanna
Wall 1
Wall 2
Footing 1
Footing 2
10Footing 1
40Wall 2
20Footing 2
30Wall 1
Prof. Awad Hanna
10A
25E
20C
30F
2
5Start
35Finish
15D
31 4
Prof. Awad Hanna
1. Create Activity list and eliminate redundancies.
2. Construct precedence diagramActivities with no dependency
arranged at the leftCreate dummy start if you have more
than one start “Contract Award”
3. Arrange activities in a sequential order
top related