Criterion | Importance | Priority | CR | Alternative | Importance | Priority | CR |
Process | 0.123 | 3 | 0.072 | Interruption of sub-operation due to curing water for concrete | 0.207 | 2 | 0.115 |
Delay in the process due to a failure of a tower crane | 0.074 | 5 | |||||
Delay in the process due to delay in payment for purchased materials | 0.042 | 7 | |||||
Rush work performance for process retrieving | 0.103 | 3 | |||||
Delay in the duration due to the design change | 0.069 | 6 | |||||
Acceleration claim by a owner | 0.095 | 4 | |||||
Deterioration in constructability with the increase of the lateral pressure when concrete is placed | 0.409 | 1 | |||||
Cost | 0.488 | 1 | Additional work due to lack of clarity in drawings | 0.054 | 5 | 0.010 | |
Error in the material amount calculated | 0.106 | 4 | |||||
Lack of temporary electricity and water supply | 0.153 | 3 | |||||
Delay in a progress payment by a owner | 0.234 | 2 | |||||
Technologies cannot meet required performance | 0.452 | 1 | |||||
Safety | 0.340 | 2 | Damage to the sling belt and wire due to the salvage of excessive weight | 0.079 | 4 | 0.079 | |
Drop of salvaged object due to faulty shackle fastening | 0.048 | 5 | |||||
Falling accident related to work in high places with form or rebar | 0.048 | 5 | |||||
Accident due to insufficient preparation in advance | 0.143 | 3 | |||||
Occurrence of thermal stress in the work inside of the reactor containment building | 0.312 | 2 | |||||
Lack of safety of the piping within the reactor containment building for the earthquake load | 0.370 | 1 | |||||
Quality | 0.049 | 4 | Coating of inappropriate coating curing compound due to the coarse surface of concrete | 0.185 | 4 | 0.083 | |
Breakage of the piping when concrete was placed on a high step | 0.111 | 5 | |||||
Defect of containment liner plate | 0.052 | 6 | |||||
Inappropriate quality assurance procedure | 0.217 | 2 | |||||
Inappropriate curing of a part requiring curing | 0.224 | 1 | |||||
Placement height limit of the form | 0.211 | 3 |