Selection of Sustainable Building Material Using Multicriteria Decision-Making Model: A Case of Masonry Work in Lideta Subcity, Addis Ababa

Table 5

Summary of main criteria along with their subcriteria (local and global priority).

No.	Main criteria	Weight of main criteria (%)	Subcriteria		Local priority (%)	Global priority (%)	Rank based on GP
1	Life cycle cost	7.49	1	Initial cost	62.89	4.71	8
			2	Maintenance cost	23.09	1.73	20
			3	Disposal cost	14.02	1.05	21
2	Waste minimization	15.06	4	Environmental sound disposal option	32.42	4.88	7
			5	Recycling and reuse	67.58	10.18	2
3	Performance capability	20.47	6	Fire resistance	28.62	5.86	4
			7	Resistance to decay	19.28	3.95	15
			8	Energy saving and thermal insulation	21.93	4.49	10
			9	Life expectancy (durability)	17.71	3.62	16
			10	Maintainability	12.47	2.55	18
4	Resource efficiency	13.71	11	Method of raw material extraction	25.45	3.49	17
			12	Amount of wastage in use	15.25	2.09	19
			13	Embodied energies	30.18	4.14	13
			14	Environmental impact during harvest	29.12	3.99	14
5	Environmental impact	19.11	15	Low toxicity	26.79	5.12	5
			16	Ozone depletion	26.56	5.08	6
			17	Minimize pollution	24.18	4.62	9
			18	Impact on air quality	22.46	4.29	12
6	Social benefit	24.16	19	Use of local material	27.61	6.67	3
			20	Aesthetics	18.12	4.38	11
			21	Health and safety	54.27	13.11	1
Total		100.00				100.00