| Respondents information | Groups | Categories | Response (%) |
| Organization belong to | Consultant | 13% (35) | |
| SMSCEs | 64% (173) | ||
| L/A Engineers | 33% (61) | ||
| Years of experience | Consultant | Less than 5 years | 0 |
| 5 - 10 years | 0 | ||
| More than 10 years | 100% | ||
| SMSCEs | Less than 5 years | 18% | |
| 5 - 10 years | 60% | ||
| More than 10 years | 22% | ||
| L/A Engineers | Less than 5 years | 32% | |
| 5 - 10 years | 44% | ||
| More than 10 years | 24% | ||
| Educational qualification | Consultant | JHS/Middle school | 0 |
| SHS/Technical school | 15% | ||
| Graduate | 85% | ||
| SMSCEs | JHS/Middle school | 14% | |
| SHS/Technical school | 58% | ||
| Graduate | 28% | ||
| L/A Engineers | JHS/Middle school | 0 | |
| SHS/Technical school | 19% | ||
| Graduate | 81% | ||