Short-term design control data for T1 and T2
| Design teams | Design phase | Number of weeks | Average PPC (%) | Causes for the non-completion of work packages | Categories of causes |
|---|---|---|---|---|---|
| T1 | Detail design | 26 | 76 | Client delay in design decisions: 25% Client delay in design approval: 18% Underestimated time: 12% | EDD processes: 25% Other company’s departments: 26% External to the company: 49% |
| T2 | Detail design | 39 | 79 | Client request for design change: 23% Client delay in design approval: 15% Conceptual design delay: 15% | EDD processes: 19% Other company’s departments: 29% External to the company: 52% |
| Design teams | Design phase | Number of weeks | Average PPC (%) | Causes for the non-completion of work packages | Categories of causes |
|---|---|---|---|---|---|
| T1 | Detail design | 26 | 76 | Client delay in design decisions: 25% | EDD processes: 25% |
| T2 | Detail design | 39 | 79 | Client request for design change: 23% | EDD processes: 19% |