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No. | Feature attribute | Value assignment |
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C1 | Contract period | ≤ 20 months = 1; > 20 months = 2 |
C2 | Contract amount | ≤ 1 billion = 1; > 1 billion = 2 |
C3 | Process technology | Same = 1, almost the same = 2, and similar = 3 |
C4 | Changes to contract scope | No change = 1; change = 2 |
C5 | Changes to major design scheme | No change = 1; change = 2 |
C6 | Delay of key equipment | ≤ 1 month = 1; > 1 month = 2 |
C7 | Change in construction scheme | No change = 1, minor change = 2, large change = 3, and significant change = 4 |
C8 | Allocation of direct construction labor | ≤ 1000 people = 1; > 1000 people = 2 |
C9 | Schedule impact of safety accidents | No safety accident = 1, minor safety accident = 2, major safety accident = 3, serious safety accident = 4, and severe safety accident = 5 |
C10 | Schedule impact of quality accidents | No quality accident = 1, minor quality accident = 2, major quality accident = 3, serious quality accident = 4, and severe quality accident = 5 |
C11 | Scope of total time deviation | ≤ 1 month = 1; > 1 month = 2 |
C12 | Node type affected by schedule node deviation | Project-level node = 1, department-level node = 2, and company-level node = 3 |
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