Table 1: Task information for an engineering design of a chemical processing system.

NumberDescription of tasksResource Duration (day) Predecessor

1Operating structure design3000613, 15
2Vessel design5332127, 9
3Plant layout/general arrangement42425
4Shipping design422281, 15
5Structure lifting design500041, 7, 9, 12
6Pressure drop analysis422248, 15, 17
7Process engineering43323
8Structural documentation042033, 4, 5
9Size valves215343, 12
10Wind load design400051, 2, 8
11Seismic design500093, 5, 7, 12
12Piping design30014
13Process and instrumentation diagram320122, 7, 12
14Equipment support303221, 2, 6, 7, 15
15Pipe flexibility analysis422222, 3, 12
16Design documentation522041, 2, 3, 5, 10, 18
17Foundation load design524254, 9, 13
18Insulation structural design223351, 2, 7, 8, 11
19Structural bill of material (BOM)323465, 10, 18
20Assembly design400074, 9, 12, 14