Building Information Modeling Assisted Carbon Emission Impact Assessment of Prefabricated Residential Buildings in the Design Phase: Case Study of a Chinese Building

Table 4

Prefabricated component carbon emissions of alternative solutions to optimize architectural design.

Coding	Size (mm)	Count (piece)	SRPCs (%)	STCEs (kg CO2e)	MCEs (kg CO2e)	Carbon emission (kg CO2e)
WWH-YTB		182	68.61	1166.04	65842.69	67008.73
		52		466.42	22574.64	23041.05
		52		143.42	1693.10	1836.52
		156		276.35	4891.17	5167.52
		208		629.66	30099.51	30729.18
		208		1329.29	70232.20	71561.48
WWH-HNTWG		208	60.67	1504.77	64456.16	65960.93
		52		1081.99	35512.17	36594.16
JG-HNTDJ-HNTJL		104	70.06	1698.53	121234.15	122932.68
		208		2394.75	224283.18	226677.94
		52		373.13	18185.12	18558.26
		156		1059.15	78802.20	79861.35
		182		1388.13	77334.67	78722.80
		156		1411.88	112141.59	113553.47
JG-HNTGJ-LTB		104	52.00	2915.13	50429.56	53344.69
JG-HNTGJ-DHB		416	74.88	2590.07	80014.54	82604.61
		416		2003.16	60617.08	62620.24
		632		2864.38	76084.88	78949.26
		208		1522.49	38008.98	39531.47
		208		1842.34	47543.56	49385.9
Total						1308642.25