Table 1 Variable description.
Variable | Description | Unit | |
|---|---|---|---|
Financial information | Loss rate | The loss rate is the amount of loss incurred in the construction project divided by the total construction cost of the construction project | Real number |
Natural hazard-related information | Elevation | Elevation of the loss-occurring construction site (m) | Real number |
Tropical cyclone | The tropical cyclone risk class of the construction site is classified into Zone 0–5 (based on the maximum wind speed of the 100-year return period) | Nominal (0–5) | |
Flash flood | The flash flood risk class of the construction site is categorized into Zone 1–6 | Nominal (1–6) | |
Season | Seasonal classification at the time of loss | Nominal 0: fall 1: Spring 2: Summer 3: Winter | |
Construction site and apartment information | Location | Classification according to the location of the construction site where the loss occurred | Nominal 1: Suburban 2: Urban 3: Metropolitan |
Loss classification | Classification according to the occurrence of loss | Nominal 0: Object 1: Third-party | |
ENR rank | The rank of Engineering News-Record (ENR) | Numeral | |
Floor | Number of floors | Natural number | |
Basement | Number of basement floors | Natural number | |
Construction type | Classification by type of construction work | Nominal 1: reinforced concrete work 2: steel framework 3: other work | |
Elevation of the loss-occurring construction site (m) | Real number | ||
Construction size | Classification according to the total construction cost | Nominal 1: Small-scale sites with less than 2 billion KRW 2: Medium-sized sites with 2–12 billion KRW 3: Large-scale sites with more than 12 billion KRW | |
Progress rate | Process rate at the time of loss (%) | Real number | |
Total construction period | The total period of construction work (month) | Real number |