|
Filter Type
|
Estimated Cost
|
Maintenance
|
Implement ability
|
Filtration Effectiveness
|
Purification Effectiveness
|
Pre Reqs.
|
Total
|
||
|
% Weight
|
0.1734
|
0.1634
|
0.12
|
0.232
|
0.2312
|
0.08
|
|
||
|
Slow Sand Filter
|
3
|
1
|
2
|
5
|
5
|
5
|
None
|
3.6396
|
|
|
Ultraviolet Purification
|
1
|
1
|
5
|
1
|
3
|
3
|
Turbidity Filter
|
2.1024
|
|
|
Activated Carbon Filter
|
5
|
3
|
1
|
5
|
5
|
5
|
None
|
4.1932
|
|
|
Chlorine Powder Tap Box
|
4
|
3
|
1
|
1
|
4
|
3
|
Turbidity Filter
|
2.7006
|
|
|
Foam Filter
|
2
|
3
|
5
|
4
|
1
|
5
|
None
|
2.9962
|
|
|
1- least applicable; 5- most applicable
|
|||||||||
Wednesday, May 2, 2012
Decision Matrix
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