Life Comparative Analysis of Energy Consumption and CO₂ Emissions of Different Building Structural Frame Types

Table 3

Construction costs, including CO₂ emissions costs.

Construction costs			A	B	C	D
Existing	Subtotal (α)	(Million won)	4,138.36	4,576.31	10,037.09	11,074.34
	Per area	(Million won/m^2)	0.2194	0.2405	0.1970	0.2168
CO2 emissions	Subtotal (β)	(Million won)	168.05	227.01	429.47	591.81
	Per area	(Million won/m^2)	0.0089	0.0119	0.0084	0.0116
Modified	Total (α + β)	(Million won)	4,306.42	4,803.32	10,466.55	11,666.15
	Per area	(Million won/m^2)	0.2283	0.2524	0.2054	0.2284
Rate of increase (β/α)			4.06	4.96	4.28	5.34