Rating of the significance attributed to PtD practices
| Consulting | Contracting | Government | Overall | K-W | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Prevention through design | M | R | M | R | M | R | M | R | Chi-sq. | p-value |
| Design considers safe movement of workers on site | 4.54 | 1 | 4.33 | 2 | 4.50 | 8 | 4.48 | 1 | 1.632 | 0.442 |
| Design eliminates working in confined space | 4.40 | 5 | 4.33 | 2 | 4.79 | 1 | 4.46 | 2 | 4.563 | 0.102 |
| Design considers offsite prefabrication of elements | 4.43 | 4 | 4.22 | 8 | 4.79 | 1 | 4.45 | 3 | 7.027 | 0.030** |
| Design safety risk assessment is undertaken | 4.46 | 2 | 4.22 | 8 | 4.64 | 5 | 4.43 | 4 | 3.931 | 0.140 |
| Designing of structure to avoid risk from buried services | 4.37 | 7 | 4.39 | 1 | 4.50 | 8 | 4.40 | 5 | 0.616 | 0.735 |
| Design to avoid hazards during construction | 4.46 | 2 | 4.33 | 2 | 4.36 | 12 | 4.40 | 5 | 1.196 | 0.550 |
| Design includes clear safety notes | 4.37 | 7 | 4.11 | 12 | 4.79 | 1 | 4.39 | 7 | 7.329 | 0.026** |
| Design considers safety of the general public | 4.37 | 7 | 4.22 | 8 | 4.64 | 5 | 4.39 | 7 | 5.591 | 0.061 |
| Design considers ease of construction | 4.31 | 12 | 4.22 | 8 | 4.79 | 1 | 4.39 | 7 | 5.855 | 0.054 |
| Design eliminates working at heights | 4.40 | 5 | 4.11 | 12 | 4.64 | 5 | 4.37 | 10 | 2.849 | 0.241 |
| Design specifies less maintenance materials | 4.31 | 12 | 4.33 | 2 | 4.43 | 11 | 4.34 | 11 | 0.634 | 0.728 |
| Designing to avoid risk from overhead cables | 4.29 | 14 | 4.33 | 2 | 4.50 | 8 | 4.34 | 11 | 0.964 | 0.618 |
| Design specifies non-hazardous materials | 4.34 | 10 | 4.28 | 7 | 4.29 | 13 | 4.31 | 13 | 0.208 | 0.901 |
| Design specifies easy to handle materials | 4.34 | 10 | 4.00 | 14 | 4.29 | 13 | 4.24 | 14 | 1.874 | 0.392 |
| Consulting | Contracting | Government | Overall | K-W | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Prevention through design | M | R | M | R | M | R | M | R | Chi-sq. | |
| Design considers safe movement of workers on site | 4.54 | 1 | 4.33 | 2 | 4.50 | 8 | 4.48 | 1 | 1.632 | 0.442 |
| Design eliminates working in confined space | 4.40 | 5 | 4.33 | 2 | 4.79 | 1 | 4.46 | 2 | 4.563 | 0.102 |
| Design considers offsite prefabrication of elements | 4.43 | 4 | 4.22 | 8 | 4.79 | 1 | 4.45 | 3 | 7.027 | 0.030** |
| Design safety risk assessment is undertaken | 4.46 | 2 | 4.22 | 8 | 4.64 | 5 | 4.43 | 4 | 3.931 | 0.140 |
| Designing of structure to avoid risk from buried services | 4.37 | 7 | 4.39 | 1 | 4.50 | 8 | 4.40 | 5 | 0.616 | 0.735 |
| Design to avoid hazards during construction | 4.46 | 2 | 4.33 | 2 | 4.36 | 12 | 4.40 | 5 | 1.196 | 0.550 |
| Design includes clear safety notes | 4.37 | 7 | 4.11 | 12 | 4.79 | 1 | 4.39 | 7 | 7.329 | 0.026** |
| Design considers safety of the general public | 4.37 | 7 | 4.22 | 8 | 4.64 | 5 | 4.39 | 7 | 5.591 | 0.061 |
| Design considers ease of construction | 4.31 | 12 | 4.22 | 8 | 4.79 | 1 | 4.39 | 7 | 5.855 | 0.054 |
| Design eliminates working at heights | 4.40 | 5 | 4.11 | 12 | 4.64 | 5 | 4.37 | 10 | 2.849 | 0.241 |
| Design specifies less maintenance materials | 4.31 | 12 | 4.33 | 2 | 4.43 | 11 | 4.34 | 11 | 0.634 | 0.728 |
| Designing to avoid risk from overhead cables | 4.29 | 14 | 4.33 | 2 | 4.50 | 8 | 4.34 | 11 | 0.964 | 0.618 |
| Design specifies non-hazardous materials | 4.34 | 10 | 4.28 | 7 | 4.29 | 13 | 4.31 | 13 | 0.208 | 0.901 |
| Design specifies easy to handle materials | 4.34 | 10 | 4.00 | 14 | 4.29 | 13 | 4.24 | 14 | 1.874 | 0.392 |
Note(s): ** p-value sig. @95% confidence level, R = Rank, M = Mean score, SD = Standard deviation
Source(s): Author’s compilation (2024)