Table 1 Variable description.

From: Predicting financial losses due to apartment construction accidents utilizing deep learning techniques

 

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