P11412: Clean Water UV Treatment
/public/

Set Final Specifications

List of Metrics for Clean Water for the World
Metric No. Need Nos. Metric Importance Units Marginal value Ideal Value
1 26, 27 total cost of unit 9 USD <700 400
2 26 cost of enclosure 3 USD <50 <30
3 3 weight of enclosure 3 lbs 26 16
4 11 strength of enclosure: static weight applied to enclosure 1 lbs 200
5 5,6 clearance of protruding components into/out of enclosure 9 in2 0
6 12 volume of enclosure 3 ft3 1.88 1.88
15 flow rate through system 3 gpm 1 5
18 19,20,21 power of phone charger 1 W 10
19 19,20,21 Voltage of phone charger 1 V 2 2
24 16 UV lamp activated to allow water flow 9 binary yes yes
25 14 NSF standards met 9 binary yes yes
26 1,4 training period required for use 3 min <5
27 14,15 EPA standards for by-products met 9 binary yes yes
28 8 UV lamp status indicator 3 binary yes yes
List of Metrics for B-9 Plastics
Metric No. Need Nos. Metric Importance Units Marginal value Ideal Value
1 12 cost of unit per UV unit 9 USD 50 <50
4 13 power produced 9 W 17 17
5 14 effort required 9 calories/gal <150
6 1 time required for installation 9 min <30
7 14 Respiratory Exchange Ratio 9 # <1.00 <1.00
8 4 training needed to operate 9 min <5
11 2 flywheel is structurally sound at maximum operating speed 9 rpm 240 240



Home