Tutorial 8: NETWORK DIAGRAM & AON (ARROW ON NODE) Exercise: Using the information below (as an individual) demonstrate how you determined the critical path. Remember to layout the logic + create the network diagram + determine the float = CPM common rule is NOT to cross your arrow lines, however for this exercise, you may need to break the rule once. IMPORTANT: Early Start for Task 1 = 1 (not 0) TASK DETALS ACTIVIT NO ID Description Duration & Predecessor(s) 1 Site Survey and Material List 1 2 Materials and Equipment to Site 3 1 3 Fasten Wood Strips to Purlins 2 2 4 Fabricate Interior Wall Partitions 2 2 5 Fabricate Timer Trusses 4 2 6 Excavate 2 Construct Plywood Exterior Wall Panels 2 8 Fabricate Exterior Doors 2 9 Forms, Rebar, Bolts for Column Footings 1 6 10 Place Drain Pipes 11 Pour Footings 12 Strip and Cure Footings 13 Erect Steel Columns and Vertical Brace 1 12 14 Backfill, Compact, and Grade Slab 2 10.12 19 Erect Trusses 5.13 Forms, Rebar, and Drains Floor Slab 14 17 Fabricate and Erect Frames at Truss Pans 15 ACTIVIT NO. TASK DETAILS ID Description Duration & Predecessor(s) 18 Pour Slab 1 13, 16 19 Erect Steel Purlins 1 3, 17 20 Cure Slab 6 18 21 Place Rod Bridging and Weld 19 22 Erect Exterior Wall Panels 7, 20 N 23 Nail Planks to Purlins 21 24 Waterproof and Insulate Joints 22 Erect Doors 1 8, 22 25 Lay Tar Paper on Planks 1 23 27 Paint Exterior Walls 24. 25 28 Erect Corrugated Roofing 2 26 Erect Interior Wall Partitions 4, 20, 26 Cleanup 27, 28, 29