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

ObjectiveObjective

To design a wastewater collection and To design a wastewater collection and treatment facility for the village of treatment facility for the village of Sipaulovi, which meets the regulations Sipaulovi, which meets the regulations provided by Indian Health Service. This provided by Indian Health Service. This system must be able to incorporate the system must be able to incorporate the existing sewers, and create a central existing sewers, and create a central sewer system for the village, which will sewer system for the village, which will be easily incorporated into any new be easily incorporated into any new development within the village.development within the village.

DCS Solutions:DCS Solutions:Who Are We?Who Are We?

Don Jackson – Team LeaderDon Jackson – Team Leader– Main client contactMain client contact– Survey team leaderSurvey team leader– Grading experienceGrading experience

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

Sarah DoyleSarah Doyle– Main drafterMain drafter– Deliverable editingDeliverable editing

*All team members will be involved in the development of *All team members will be involved in the development of the final design and supporting calculationsthe final design and supporting calculations

ExperienceExperience

External ConsultantsExternal Consultants

John MeadJohn Mead– Main technical advisorMain technical advisor– Wastewater Technical SpecialistWastewater Technical Specialist– Institute for Tribal Environmental ProfessionalsInstitute for Tribal Environmental Professionals

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

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

Jason NietoJason Nieto– Certified Plant OperatorCertified Plant Operator– Sipaulovi lagoonsSipaulovi lagoons– Main consultant for existing procedures, and feasibilityMain consultant for existing procedures, and feasibility

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

Carl SeweyestewaCarl Seweyestewa– Land Information Systems SurveyorLand Information Systems Surveyor

IntroductionIntroduction

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

The Ideal Design:The Ideal Design:

Cost effectiveCost effective– Low maintenanceLow maintenance

TreatmentTreatment– Bar screenBar screen– Flow meter Flow meter – Flow equalization/settling tankFlow equalization/settling tank– AIWPSAIWPS

Effluent disposalEffluent disposal– Constructed wetland Constructed wetland – No dischargeNo discharge

Engineering Cost Engineering Cost Estimate Estimate

Plans for the Future:Plans for the Future:

Site surveySite survey Research – permits & effluent re-Research – permits & effluent re-

useuse Alternative designsAlternative designs

– Is a CW feasible?Is a CW feasible? I.H.S. approvalI.H.S. approval Estimate cost of constructionEstimate cost of construction

QUESTIONS???QUESTIONS???