Performance criteria

Valid percentage

Valid percentages of scores

Environmental criteria

1

2

3

4

5

RI^a

Ranking

Importance

E1: Potential for reuse

0.0

11.1

13.9

44.4

30.6

0.79

23

M-H^b

E2: Environmentally favorable disposal options

2.8

8.3

27.8

30.6

30.6

0.72

17

M-H

E3: Air quality impacts

2.8

8.3

33.3

33.3

22.2

0.69

18

M-H

E4: Ozone depletion potential

5.6

8.3

41.7

16.7

27.8

0.76

15

M-H

E5: Environmental impact during manufacturing

2.8

13.9

33.3

19.4

30.6

0.67

13

M-H

E6: Less toxicity

2.8

11.1

30.6

25

30.6

0.86

7

H^c

E7: Regulatory compliance

5.6

5.6

27.8

33.3

27.8

0.84

10

H

E8: Reduce pollution

0.0

5.6

19.4

50.0

25.0

0.85

5

H

E9: Wastage in production

4.4

15.4

31.9

37.4

11.0

0.79

20

M-H

E10: Raw materials extraction process

5.6

19.8

45.1

20.9

8.8

0.77

19

M-H

Socio-economic criteria

S1: Disposal cost

2.8

8.3

16.7

44.4

27.8

0.78

21

M-H

S2: Health and safety

0.0

8.3

27.8

33.3

30.6

0.80

9

H

S3: Maintenance cost

0.0

5.6

22.2

38.9

33.3

0.81

8

H

S4: Aesthetics

0.0

5.6

36.1

36.1

22.2

0.88

1

H

S5: Use of local materials

0.0

8.3

33.3

41.7

16.7

0.76

16

M-H

S6: Capital cost

2.8

27.8

36.1

36.1

33.3

0.81

14

H

S7: Skilled labor availability

5.5

16.5

39.6

29.7

8.8

0.64

22

M-H

Technical criteria

T1: Maintainability

0.0

5.6

27.8

44.4

22.2

0.86

2

H

T2: Buildability

0.0

0.0

9.9

53.8

36.3

0.85

6

H