Construct the activity diagram. Conduct Monte-Carlo simulation analysis (1000 or more runs) for the network, with MS Excel.

Activity Name 1. Identify client's needs 2. Selection of architect/design teams 3. Preparation of architectural designs 4. Preparation of structural designs 5. Electro/mechanical designs 6. Site preparation and mobilization 7. Excavation 8. Foundations & footings Duration (Days) Low 16 12 10 15 17 3 5 16 High 22 15 19 26 24 8 8 22 Likely 20 14 16 20 21 5 7 18 Predecessor 1 2 2 2 3 4, 5 and 6 7 Low 16 3.5 12 8 7 43 115 127 Estimated cost ($ '000) High 22 8 18 14 12 55 127 140 Likely 20 5 15 10 10 50 120 135