Construction Project Management
Planning & Scheduling
Bar Charts
Building a CPM Schedule
Networks & Logic
CPM Scheduling
Logic Relationships & Precedence Networks
Progress Updating

Drawing Logic Networks

[Whiteboard Session] Watch and learn as Saleh does a complete walkthrough on how to draw a logic network, a vital skill for any project controller.

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So we covered networks and we talked about logic networks and now we're going to do some examples. First of all, we're going to show how to draw a proper network and then the next step is how to do the calculations. We're going to start here with a very, very simple example and we list the activities and the IPA and that's an acronym of Immediately Preceding Activity or Activities. Activity A is the first one in the network so it has no predecessors, Activity B has A as a predecessor, so does Activity C, Activity C starts after A, not B, after A. D has B its predecessor, or in this case D is the successor of B. E is the last one and it requires the country portion of both C and D.

So I'm going to draw the network now. Here's activity A and then following A I have Activity B and Activity C. All right, and then D follows B, so here's D. Here's D and finally, we have E as the last one. So here's E and we can do this as an inclined line or as a broken line like this. All right. So that's the network of example one, very simple one made of four or five activities.

Now we're going to do the second example. It's a little bit more complicated than example one but it's nowhere near as complicated as the real projects in life, this one has maybe about 10 activities and real projects in the construction industry have from a few hundreds to over 10,000 activities. In ...

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