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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 Rueschparke.ruesch@aol.comph: (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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