Level 1 factor | Construction engineer | Construction manager | Safety engineer | Tower crane operator | Total | |||||
Wt | Rank | Wt | Rank | Wt | Rank | Wt | Rank | Wt | Rank | |
Dismantling work | 0.391 | 1 | 0.090 | 5 | 0.100 | 5 | 0.099 | 5 | 0.170 | 5 |
Lifting work | 0.294 | 2 | 0.293 | 1 | 0.121 | 4 | 0.146 | 4 | 0.214 | 3 |
Erection work | 0.156 | 3 | 0.205 | 3 | 0.219 | 3 | 0.322 | 1 | 0.226 | 1 |
Prime contractor’s management | 0.087 | 4 | 0.164 | 4 | 0.254 | 2 | 0.194 | 3 | 0.175 | 4 |
T/C machine | 0.072 | 5 | 0.248 | 2 | 0.305 | 1 | 0.239 | 2 | 0.216 | 2 |