Cost Estimation Model Using Modified Parameters for Construction Projects

Table 2

Influential factors of Korean residential buildings.

Influential factor	Contents
Basement	Matt (all same)
Gross area (m^2)	1508–10318
Building coverage (m^2)	243–914
Units/building	22–56
Units/standard floor	2–10
Floors of base	1-2
Roof type	Slop, flat
Floors	11–15
Cores	1–4
Pilots type	Partial, whole 1st floor
Pilotis	0–8
Building type	Flat, tower, flat + tower
Floor height (m)	2.8 m (all same)
Unit size (m^2)	49, 59, 84, 114
Combination of unit (m^2)	49, 59, 84, 114, 49 + 59, 49 + 84, 59 + 84, 84 + 114
Type of pubic area	Hall, corridor
Structure type	Wall type (all same)
Level of finish	All same