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Activity on the node (AON) : Now-a-days , CPM users employ activity on node format and many of the softwares also use this diagramming format . This format is also referred to as “Precedence Diagramming” . In this format , logic in the network is represented by node and precedence arrow . The precedence arrows show the order sequence and relationship between activities . The logic behind the network diagram is that an activity cannot start until all preceding activities are complete .
The logic network simply represents the relationship between the activities , provides project understanding and improves communications . The network is constructed without considering the activity duration or the resource requirement of the activity .
With the advent of computers , this stage has lost its earlier significance . Now there are many softwares available , which provide the network if succeeding activity/preceding activity lists are fed .
- Calculation on Network : In this stage , the earliest start , the earliest finish time , latest start time , latest finish time , critical activity ,optimization for time-cost , resource planning through the network , etc , are carried out . We shall illustrate these calculations through examples .
Examples to be given |
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