S/N

Criteria

BCS

ECS

HCS

RCS

CCS

1

Cost

L

H

M

H

H*

2

Efficiency

L*

H

L

M

H*

3

Human Involvement

M

L

H

M

L*

4

Cleaning Time (Hour)

H

M

L*

H*

L

5

Water Usage (m³/s)

L

L

H

L

L*