Research Article
Identification and Assessment of Subway Construction Risk: An Integration of AHP and Experts Grading Method
Table 7
Schedule delay grade standard.
| Level | A | B | C | D | E |
| Long-term project | The delay is greater than 9 months | Delays range from 6 to 9 months | Delays range from 3 to 6 months | Delays range from 1 to 3 months | Delay of less than one month | Short-term project | The delay is greater than 90 d | The delay is greater than 60∼90 d | The delay is greater than 30∼60 d | The delay is greater than 10∼30 d | The delay is less than 10 d |
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