Use of prevention through design practices
| Consulting | Contracting | Government | Overall | K-W | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Prevention through design | M | R | M | R | M | R | M | R | Chi-sq. | p-value |
| Design considers safety of the general public | 3.31 | 1 | 3.56 | 2 | 3.14 | 8.00 | 3.34 | 1 | 0.915 | 0.633 |
| Design eliminates working in confined space | 3.29 | 2 | 3.33 | 7 | 3.21 | 6.00 | 3.28 | 2 | 0.077 | 0.962 |
| Design safety risk assessment is undertaken | 3.23 | 3 | 3.56 | 2 | 3.00 | 9.00 | 3.27 | 3 | 2.155 | 0.340 |
| Designing to avoid risk from overhead cables | 2.97 | 10 | 3.72 | 1 | 3.36 | 4.00 | 3.25 | 4 | 5.626 | 0.060 |
| Design specifies less maintenance materials | 3.11 | 5 | 3.17 | 9 | 3.57 | 1.00 | 3.22 | 5 | 1.657 | 0.437 |
| Design eliminates working at heights | 3.09 | 6 | 3.50 | 4 | 3.00 | 9.00 | 3.18 | 6 | 2.034 | 0.362 |
| Design considers safe movement of workers on site | 3.03 | 8 | 3.06 | 11 | 3.50 | 3.00 | 3.13 | 7 | 1.716 | 0.424 |
| Design to avoid hazards during construction | 3.23 | 3 | 3.33 | 7 | 2.57 | 14.00 | 3.12 | 8 | 3.790 | 0.150 |
| Design specifies easy to handle materials | 2.97 | 10 | 3.00 | 14 | 3.57 | 1.00 | 3.10 | 9 | 2.628 | 0.269 |
| Design considers ease of construction | 2.74 | 13 | 3.50 | 4 | 3.29 | 5.00 | 3.06 | 10 | 1.148 | 0.317 |
| Designing of structure to avoid risk from buried services | 3.03 | 8 | 3.06 | 11 | 3.07 | 7.00 | 3.04 | 11 | 0.006 | 0.997 |
| Design specifies non-hazardous materials | 3.09 | 6 | 3.06 | 11 | 2.79 | 12.00 | 3.01 | 12 | 0.839 | 0.657 |
| Design includes clear safety notes | 2.94 | 12 | 3.39 | 6 | 2.64 | 13.00 | 3.00 | 13 | 3.107 | 0.212 |
| Design considers offsite prefabrication of elements | 2.74 | 13 | 3.17 | 9 | 2.86 | 11.00 | 2.88 | 14 | 1.340 | 0.512 |
| Group M | 3.06 | 3.31 | 3.11 | 3.14 | ||||||
| Consulting | Contracting | Government | Overall | K-W | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Prevention through design | M | R | M | R | M | R | M | R | Chi-sq. | |
| Design considers safety of the general public | 3.31 | 1 | 3.56 | 2 | 3.14 | 8.00 | 3.34 | 1 | 0.915 | 0.633 |
| Design eliminates working in confined space | 3.29 | 2 | 3.33 | 7 | 3.21 | 6.00 | 3.28 | 2 | 0.077 | 0.962 |
| Design safety risk assessment is undertaken | 3.23 | 3 | 3.56 | 2 | 3.00 | 9.00 | 3.27 | 3 | 2.155 | 0.340 |
| Designing to avoid risk from overhead cables | 2.97 | 10 | 3.72 | 1 | 3.36 | 4.00 | 3.25 | 4 | 5.626 | 0.060 |
| Design specifies less maintenance materials | 3.11 | 5 | 3.17 | 9 | 3.57 | 1.00 | 3.22 | 5 | 1.657 | 0.437 |
| Design eliminates working at heights | 3.09 | 6 | 3.50 | 4 | 3.00 | 9.00 | 3.18 | 6 | 2.034 | 0.362 |
| Design considers safe movement of workers on site | 3.03 | 8 | 3.06 | 11 | 3.50 | 3.00 | 3.13 | 7 | 1.716 | 0.424 |
| Design to avoid hazards during construction | 3.23 | 3 | 3.33 | 7 | 2.57 | 14.00 | 3.12 | 8 | 3.790 | 0.150 |
| Design specifies easy to handle materials | 2.97 | 10 | 3.00 | 14 | 3.57 | 1.00 | 3.10 | 9 | 2.628 | 0.269 |
| Design considers ease of construction | 2.74 | 13 | 3.50 | 4 | 3.29 | 5.00 | 3.06 | 10 | 1.148 | 0.317 |
| Designing of structure to avoid risk from buried services | 3.03 | 8 | 3.06 | 11 | 3.07 | 7.00 | 3.04 | 11 | 0.006 | 0.997 |
| Design specifies non-hazardous materials | 3.09 | 6 | 3.06 | 11 | 2.79 | 12.00 | 3.01 | 12 | 0.839 | 0.657 |
| Design includes clear safety notes | 2.94 | 12 | 3.39 | 6 | 2.64 | 13.00 | 3.00 | 13 | 3.107 | 0.212 |
| Design considers offsite prefabrication of elements | 2.74 | 13 | 3.17 | 9 | 2.86 | 11.00 | 2.88 | 14 | 1.340 | 0.512 |
| Group M | 3.06 | 3.31 | 3.11 | 3.14 | ||||||
Note(s): R = Rank, M = Mean score, SD = Standard deviation
Source(s): Author’s compilation (2024)