Project Management: Cpm & Gantt
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1a) Network Diagram & Gantt Chart:
Critical Path
The critical path for the Nottingham Rugby Stadium project is:
Clear site – Drive support piles – Pour lower concrete base – Build roof supports – Construct roof – Install roof – Inspection
This means these activities have no slack and therefore any delay in them will lead to the whole project being delayed.
Project Duration
The project commences on the Monday June 2nd 2008, and finishes on Friday January 14th 2011, which means work covers 670 days.
Milestones
Milestones are shown on the Gantt chart with a pink star, and on the network diagram as a diamond shape. These are the key tasks at which the project team should assess its progress.
The first milestone is clearing the site. This is the first activity of the project and therefore it would be wise to check that the project is still on course after this and to make sure the site is completely cleared as the rest of the project depends on this.
The second one is pouring the lower concrete base. This would be a good milestone because a lot of activities depend on it e.g. the crucial roof, and also progress will not have been checked since clearing the site.
The next milestones are pouring the main concourse/constructing upper steel bowl as these both finish together and