NETWORK (OR ARROW DIAGRAM)
A network is a graphical representation of inter-relationship of the various activities of a project. While drawing network, the following rules must be kept in mind.
- An activity cannot occur untill all activities leading to it are complete.
- No activity can start untill its tail event is reached.
|Activity||Head Event||Tail Event|
|1 - 2||2 (Burst Event)||1 (Burst Event)|
|1 - 3||3 (Merge Event)||1 (Burst Event)|
|2 - 3||3 (Merge Event)||2 (Burst Event)|
|2 - 4||4 (Merge Event)||2 (Burst Event)|
|3 - 4||4 (Merge Event)||3|
|4 - 5||5||4|
The aforesaid graphical representation showing the inter-relationships ...