Implementation of sustainable construction
| Indicators | Mean | Standard deviation | Mean rank |
|---|---|---|---|
| (1) Implement environmental management system in construction work | 3.75 | 1.23 | 12 |
| (2) Implement occupational health and safety management system in construction work | 3.96 | 1.28 | 8 |
| (3) Develop the concept of minimal construction waste produced during construction work | 3.54 | 1.28 | 14 |
| (4) Involve sub-contractors and suppliers who support sustainable principles | 3.93 | 1.16 | 9 |
| (5) The construction work target is set under the capacity of the contractor | 4.44 | 0.99 | 1 |
| (6) The construction work progress is in accordance with what is stated in the contract document | 3.99 | 1.31 | 5 |
| (7) Check and test the required material and temporary work results to see if they comply with the specified technical specifications | 3.97 | 1.30 | 7 |
| (8) Track project progress and always update it through a weekly checklist | 3.84 | 1.34 | 11 |
| (9) Review each construction work target to see if it meets the design document | 4.03 | 1.23 | 3 |
| (10) Test all of the project results to see if they comply with the requirements contained in the contract document | 3.86 | 1.31 | 10 |
| (11) Testing of all project results is carried out by competent third parties together with the owners and users | 4.44 | 0.96 | 1 |
| (12) Project owners and users maintain the construction work from the beginning | 3.86 | 1.25 | 10 |
| (13) Project owners and users acquire adequate training to utilize sustainable infrastructure before handover | 3.66 | 1.07 | 13 |
| (14) The contractor documents all the project processes that occur during the construction phase | 4.24 | 1.26 | 2 |
| (15) The contractor prepares a final report on construction execution, including a manual for sustainable infrastructure utilization and maintenance | 4.02 | 1.35 | 4 |
| (16) The contractor controls the construction execution through a checklist of integrated results between activities | 3.98 | 1.23 | 6 |
| Indicators | Mean | Standard deviation | Mean rank |
|---|---|---|---|
| (1) Implement environmental management system in construction work | 3.75 | 1.23 | 12 |
| (2) Implement occupational health and safety management system in construction work | 3.96 | 1.28 | 8 |
| (3) Develop the concept of minimal construction waste produced during construction work | 3.54 | 1.28 | 14 |
| (4) Involve sub-contractors and suppliers who support sustainable principles | 3.93 | 1.16 | 9 |
| (5) The construction work target is set under the capacity of the contractor | 4.44 | 0.99 | 1 |
| (6) The construction work progress is in accordance with what is stated in the contract document | 3.99 | 1.31 | 5 |
| (7) Check and test the required material and temporary work results to see if they comply with the specified technical specifications | 3.97 | 1.30 | 7 |
| (8) Track project progress and always update it through a weekly checklist | 3.84 | 1.34 | 11 |
| (9) Review each construction work target to see if it meets the design document | 4.03 | 1.23 | 3 |
| (10) Test all of the project results to see if they comply with the requirements contained in the contract document | 3.86 | 1.31 | 10 |
| (11) Testing of all project results is carried out by competent third parties together with the owners and users | 4.44 | 0.96 | 1 |
| (12) Project owners and users maintain the construction work from the beginning | 3.86 | 1.25 | 10 |
| (13) Project owners and users acquire adequate training to utilize sustainable infrastructure before handover | 3.66 | 1.07 | 13 |
| (14) The contractor documents all the project processes that occur during the construction phase | 4.24 | 1.26 | 2 |
| (15) The contractor prepares a final report on construction execution, including a manual for sustainable infrastructure utilization and maintenance | 4.02 | 1.35 | 4 |
| (16) The contractor controls the construction execution through a checklist of integrated results between activities | 3.98 | 1.23 | 6 |
Note(s): Level of implementation 5 = often (mean = 4.51–5.00), 4 = sometimes (mean = 3.51–4.50), 3 = rarely (mean = 2.51–3.50), 2 = very rarely (mean = 1.51–2.50), 1 = never (mean = < 1.50)