DCS Solutions: Don Jackson Chen Kiat Yong Sarah Doyle

1
DCS SolutionsDon JacksonChen Kiat Yong Sarah
Doyle

• Constructed Wetland Design at Sipaulovi Village

2
DCS SolutionsWho are we?

• Don Jackson Team Leader
• Main client contact
• Design research
• Chen Kiat Yong
• Main design research
• Permitting regulations
• Sarah Doyle
• Main drafter
• Design research
• Deliverable editing

3
Objective

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

4
External Consultants

• George Mase
• Main Tribal Contact
• Community Services Administrator
• John Mead
• Wastewater Technical Specialist
• Institute for Tribal Environmental Professionals
• Suzanne Jamison
• Liaison for DCS and Hopi Tribe
• Paul Gremillion, P.E.
• N.A.U Professor, Civil Environmental Department
• Christine Laguna, P.E.
• Grading Drainage Specialist
• CAD advisor
• Jason Nieto
• Certified Plant Operator
• Sipaulovi Lagoons
• Erika Schoen, E.I.T.
• Environmental Engineer
• Indian Health Service

5
Introduction

• Problems with current system
• Future growth population may double
• Projected calculations in Microsoft Excel
• Odors from existing facility
• No central sewer system

6
Sipaulovi Village
Proposed site
7
(No Transcript)
8
Aerial photo
9
(No Transcript)
10
(No Transcript)
11
What does the client want?

• Centralized WWTS for current and future users
• Prefers Constructed Wetland Design
• Wants to reuse effluent for non-edible crops
  (gourds, livestock fodder, etc)
• Trees
• Would like to attract birds and other wildlife

12
Design phases

• 30 design proposal (completed)
• Includes research of design alternatives
• 60 design proposal (pending)
• Will be completed by April 6
• After 60 design proposal is completed, client
  representative (George Mase) will be consulted to
  select final design
• 90 design proposal (to be completed)
• Includes engineers construction cost estimates
• 100 design proposal
• To be completed by April 20th
• Capstone presentation April 27th

13
Design Elements

• Transport (not in scope of project)
• Flow equalization/settling tank
• Bar screen
• Flow meter (requires electricity)
• Pump (requires electricity)
• Pressure sewer Gravity sewer
• Primary Treatment System
• Oswald system OR lagoon
• Lined or unlined
• Secondary Treatment System
• Constructed wetland (Oswald only)
• Non-discharging OR effluent reuse

14
Questions?Comments?Suggestions?