Data for T3, T4, T5 and T6
| Design teams | Design phase | Number of weeks | Average CRI (%) | Average PPC (%) | Causes for the non-completion of work packages | Categories of causes |
|---|---|---|---|---|---|---|
| T3 | Conceptual design | 5 | 36 | 64 | Changes in priorities (19%) Lack of design definitions by clients (19%) Underestimated duration (16%) | EDD processes: 37% Other company’s departments: 16% External to the company: 47% |
| T4 | Conceptual design | 5 | 59 | 61 | Underestimated duration (19%) Client request for design change (14%) Software related problems (9%) | EDD processes: 40% Other company’s departments: 33% External to the company: 27% |
| T5 | Detail design | 5 | 33 | 68 | Underestimated duration (24%) Client request for design change (18%) Lack of design definitions by clients (18%) | EDD processes: 37% Other company’s departments: 63% External to the company: 0% |
| T6 | Detail design | 4 | 75 | 78 | Software related problems (30%) Delays in conceptual design (15%) Changes in priorities (15%) | EDD processes: 35% Other company’s departments: 15% External to the company: 50% |
| Design teams | Design phase | Number of weeks | Average CRI (%) | Average PPC (%) | Causes for the non-completion of work packages | Categories of causes |
|---|---|---|---|---|---|---|
| T3 | Conceptual design | 5 | 36 | 64 | Changes in priorities (19%) | EDD processes: 37% |
| T4 | Conceptual design | 5 | 59 | 61 | Underestimated duration (19%) | EDD processes: 40% |
| T5 | Detail design | 5 | 33 | 68 | Underestimated duration (24%) | EDD processes: 37% |
| T6 | Detail design | 4 | 75 | 78 | Software related problems (30%) | EDD processes: 35% |