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ALASKA WATER + SEWER CHALLENGESummit Consulting ServicesPrototype UpdateApril 20, 2016
Phase II Outreach & User Input
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Phase III Outreach & User InputOur Website:http://summitwsc.com/FB @ Alaska Water and Sewer Challenge::Summit Team
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Phase II - System Configuration
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Phase III – Potable Treatment
Reliable rejection of microorganisms and virusesMaterial: (PES)
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Ultrafiltration MembraneMembrane area = 27 ft2
Flux Rate = ~53 GFDTreatment Rate = ~1 gpm
Membrane Test Results
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Graywater Treatment Options
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Graywater/Hygiene Specification
(Delete after review)
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Measure
Single Sample
Maximum Test Average
NSF-350 Single
Sample MaxNSF-350 Test
AverageBOD5 (mg/L) 25 10 25 10
Total Suspended Solids (mg/L)
30 10 30 10
Turbidity 10 5 10 5
Total Coliform Non-detectable
Non-detectable N/A N/A
E. coli (MPN/100 N/A N/A 240 14
pH N/A 6.0 – 9.0 N/A 6.0 – 9.0
Color N/A Measured and reported N/A Measured and
reported
Odor N/A Non-offensive N/A Non-offensive
Oily film and foam
Non-detectable
Non-detectable
Non-detectable
Non-detectable
Graywater Treatment Systems
Prefiltration
Aeration
Fixed Media for biological filtration
or
Membranes
Disinfection with UV light
Common Features
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Aqua2use – GWTS500
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Aqualoop
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UVOX 20
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Tank Freeze TestProtocol:• Fill the tank to 7/8 full.• Freeze to 0° F.• Duration of 48 hours or until frozen solid.• Thaw completely.• Observe for cracking and tank stress• Repeat freezing for 48 hours• Thaw again
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Tank Pressure Test
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Parke [email protected]: (907) 291-2339
Tok OfficeHC 72 Box 850Tok, AK 99780
Anchorage Office4500 Business Park Blvd, Ste. C-10Anchorage, AK 99503
Fairbanks Office3745 Geist Road, Suite BFairbanks, AK 99709
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