Extent of agreement with challenges impeding the adoption of green retrofitting of existing buildings
| Challenge | Un-sure | Response (%) | Mean score | ||||
|---|---|---|---|---|---|---|---|
| Strongly disagree … …Strongly agree | |||||||
| 1 | 2 | 3 | 4 | 5 | |||
| Cultural resistance to change | |||||||
| Lack of awareness in terms of the benefits of green retrofit project implementation by client | 0.0 | 0.0 | 4.0 | 5.2 | 39.1 | 51.7 | 4.39 |
| Clients fear to implement green retrofit projects due to unproven operational benefits | 2.3 | 0.6 | 4.0 | 6.9 | 42.0 | 44.3 | 4.18 |
| Unpredictable performance of emerging technology | 1.1 | 1.7 | 4.6 | 6.3 | 44.8 | 41.4 | 4.16 |
| The South African construction industry is reluctant to transform to emerging technologies | 0.6 | 1.7 | 6.3 | 8.6 | 40.8 | 42.0 | 4.13 |
| Delays in decision-making to adopt green retrofitting in projects | 4.0 | 1.1 | 6.9 | 7.5 | 37.9 | 42.5 | 4.02 |
| Cost-related barrier | |||||||
| Lack of incentives to promote the adoption of green retrofitting of existing buildings | 1.7 | 1.1 | 4.6 | 6.3 | 51.7 | 34.5 | 4.09 |
| Clients are not willing to invest in green retrofit projects due to unproven savings on operational lifecycle | 2.3 | 1.1 | 8.6 | 2.9 | 44.3 | 40.8 | 4.08 |
| Green material is a bit expensive compared to traditional building material | 4.0 | 0.6 | 7.5 | 6.3 | 37.9 | 43.7 | 4.05 |
| Construction/development costs of incorporating green initiatives are very high compared to traditional building | 5.7 | 1.1 | 5.7 | 5.2 | 37.9 | 44.3 | 4.01 |
| Maintenance costs of green retrofitting are very high | 4.6 | 1.7 | 11.5 | 6.9 | 43.7 | 31.6 | 3.78 |
| Availability of green material or products | |||||||
| Extra costs for transportation of imported materials | 2.3 | 0.0 | 5.7 | 5.7 | 40.2 | 46.0 | 4.20 |
| Unavailability of certified green material from local markets negatively impact the transition to green retrofitting | 3.4 | 0.6 | 6.9 | 4.6 | 37.9 | 46.6 | 4.13 |
| Delivery lead time is a bit lengthy, which prolongs the actual project duration | 2.9 | 0.6 | 8.6 | 4.6 | 46.0 | 37.4 | 4.02 |
| Technical expertise and knowledge | |||||||
| Lack of training regarding green retrofitting initiatives among BEPs | 0.0 | 1.7 | 2.9 | 4.0 | 40.2 | 51.1 | 4.36 |
| Lack of experience and knowledge on green retrofit project implementation | 0.6 | 0.6 | 3.4 | 4.6 | 46.6 | 44.3 | 4.29 |
| Lack of local contractors with experience on green retrofit projects | 0.6 | 1.1 | 4.6 | 2.9 | 43.7 | 47.1 | 4.29 |
| Lack of skills regarding green retrofitting initiatives from BEPs | 1.1 | 1.7 | 3.4 | 4.0 | 46.0 | 43.7 | 4.23 |
| Challenge | Un-sure | Response (%) | Mean score | ||||
|---|---|---|---|---|---|---|---|
| Strongly disagree … …Strongly agree | |||||||
| 1 | 2 | 3 | 4 | 5 | |||
| Lack of awareness in terms of the benefits of green retrofit project implementation by client | 0.0 | 0.0 | 4.0 | 5.2 | 39.1 | 51.7 | 4.39 |
| Clients fear to implement green retrofit projects due to unproven operational benefits | 2.3 | 0.6 | 4.0 | 6.9 | 42.0 | 44.3 | 4.18 |
| Unpredictable performance of emerging technology | 1.1 | 1.7 | 4.6 | 6.3 | 44.8 | 41.4 | 4.16 |
| The South African construction industry is reluctant to transform to emerging technologies | 0.6 | 1.7 | 6.3 | 8.6 | 40.8 | 42.0 | 4.13 |
| Delays in decision-making to adopt green retrofitting in projects | 4.0 | 1.1 | 6.9 | 7.5 | 37.9 | 42.5 | 4.02 |
| Lack of incentives to promote the adoption of green retrofitting of existing buildings | 1.7 | 1.1 | 4.6 | 6.3 | 51.7 | 34.5 | 4.09 |
| Clients are not willing to invest in green retrofit projects due to unproven savings on operational lifecycle | 2.3 | 1.1 | 8.6 | 2.9 | 44.3 | 40.8 | 4.08 |
| Green material is a bit expensive compared to traditional building material | 4.0 | 0.6 | 7.5 | 6.3 | 37.9 | 43.7 | 4.05 |
| Construction/development costs of incorporating green initiatives are very high compared to traditional building | 5.7 | 1.1 | 5.7 | 5.2 | 37.9 | 44.3 | 4.01 |
| Maintenance costs of green retrofitting are very high | 4.6 | 1.7 | 11.5 | 6.9 | 43.7 | 31.6 | 3.78 |
| Extra costs for transportation of imported materials | 2.3 | 0.0 | 5.7 | 5.7 | 40.2 | 46.0 | 4.20 |
| Unavailability of certified green material from local markets negatively impact the transition to green retrofitting | 3.4 | 0.6 | 6.9 | 4.6 | 37.9 | 46.6 | 4.13 |
| Delivery lead time is a bit lengthy, which prolongs the actual project duration | 2.9 | 0.6 | 8.6 | 4.6 | 46.0 | 37.4 | 4.02 |
| Lack of training regarding green retrofitting initiatives among BEPs | 0.0 | 1.7 | 2.9 | 4.0 | 40.2 | 51.1 | 4.36 |
| Lack of experience and knowledge on green retrofit project implementation | 0.6 | 0.6 | 3.4 | 4.6 | 46.6 | 44.3 | 4.29 |
| Lack of local contractors with experience on green retrofit projects | 0.6 | 1.1 | 4.6 | 2.9 | 43.7 | 47.1 | 4.29 |
| Lack of skills regarding green retrofitting initiatives from BEPs | 1.1 | 1.7 | 3.4 | 4.0 | 46.0 | 43.7 | 4.23 |
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