DCS Solutions:DCS Solutions:Don JacksonDon Jackson

Chen Kiat YongChen Kiat Yong Sarah Doyle Sarah Doyle

Constructed Wetland Design at Constructed Wetland Design at Sipaulovi VillageSipaulovi Village

DCS SolutionsDCS SolutionsWho are we?Who are we? Don Jackson – Team LeaderDon Jackson – Team Leader

– Main client contactMain client contact– Design & researchDesign & research

Chen Kiat YongChen Kiat Yong– Main design research Main design research – Permitting & regulationsPermitting & regulations

Sarah DoyleSarah Doyle– Main drafterMain drafter– Design & researchDesign & research– Deliverable editingDeliverable editing

ObjectiveObjective

To design a centralized To design a centralized wastewater treatment system to wastewater treatment system to meet current and future demand meet current and future demand for the Village of Sipaulovi.for the Village of Sipaulovi.

External ConsultantsExternal Consultants George MaseGeorge Mase

– Main Tribal ContactMain Tribal Contact– Community Services AdministratorCommunity Services Administrator

John MeadJohn Mead– Wastewater Technical SpecialistWastewater Technical Specialist– Institute for Tribal Environmental ProfessionalsInstitute for Tribal Environmental Professionals

Suzanne JamisonSuzanne Jamison– Liaison for DCS and Hopi TribeLiaison for DCS and Hopi Tribe

Paul Gremillion, P.E.Paul Gremillion, P.E.– N.A.U Professor, Civil & Environmental DepartmentN.A.U Professor, Civil & Environmental Department

Christine Laguna, P.E.Christine Laguna, P.E.– Grading & Drainage SpecialistGrading & Drainage Specialist– CAD advisorCAD advisor

Jason NietoJason Nieto– Certified Plant OperatorCertified Plant Operator– Sipaulovi LagoonsSipaulovi Lagoons

Erika Schoen, E.I.T.Erika Schoen, E.I.T.– Environmental EngineerEnvironmental Engineer– Indian Health ServiceIndian Health Service

Carl SeweyestewaCarl Seweyestewa– Land Information Systems Surveyor, Hopi Tribal GovernmentLand Information Systems Surveyor, Hopi Tribal Government

Mike Stover, P.E.Mike Stover, P.E.– Technical AdvisorTechnical Advisor– I.H.S. Environmental Engineering ConsultantI.H.S. Environmental Engineering Consultant

IntroductionIntroduction

Problems with current systemProblems with current system– Future growth – population may double Future growth – population may double

Projected calculations in Microsoft ExcelProjected calculations in Microsoft Excel

– Odors from existing facilityOdors from existing facility– No central sewer systemNo central sewer system

Sipaulovi VillageSipaulovi VillageProposed site

Aerial photoAerial photo

What does the client What does the client want?want? Centralized WWTS for current and Centralized WWTS for current and

future usersfuture users Prefers Constructed Wetland DesignPrefers Constructed Wetland Design Wants to reuse effluent for non-edible Wants to reuse effluent for non-edible

crops (gourds, livestock fodder, etc…)crops (gourds, livestock fodder, etc…) TreesTrees Would like to attract birds and other Would like to attract birds and other

wildlifewildlife

Design phases:Design phases:

30% design proposal (completed)30% design proposal (completed)– Includes research of design alternativesIncludes research of design alternatives

60% design proposal (pending)60% design proposal (pending)– Will be completed by April 6Will be completed by April 6– After 60% design proposal is completed, client After 60% design proposal is completed, client

representative (George Mase) will be consulted to representative (George Mase) will be consulted to select final designselect final design

90% design proposal (to be completed)90% design proposal (to be completed)– Includes engineer’s construction cost estimatesIncludes engineer’s construction cost estimates

100% design proposal100% design proposal– To be completed by April 20To be completed by April 20thth

– Capstone presentation April 27Capstone presentation April 27thth

Design Elements:Design Elements:

Transport (not in scope of project)Transport (not in scope of project)– Flow equalization/settling tankFlow equalization/settling tank– Bar screenBar screen– Flow meter (requires electricity)Flow meter (requires electricity)– Pump (requires electricity)Pump (requires electricity)– Pressure sewer & Gravity sewerPressure sewer & Gravity sewer

Primary Treatment SystemPrimary Treatment System– Oswald system OR lagoonOswald system OR lagoon– Lined or unlinedLined or unlined

Secondary Treatment SystemSecondary Treatment System– Constructed wetland (Oswald only)Constructed wetland (Oswald only)– Non-discharging OR effluent reuseNon-discharging OR effluent reuse

Questions?Questions?Comments?Comments?

Suggestions?Suggestions?