Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected...

16
1/12/2015 1 Bajo Gavilan Aqueduct Design 2014 iDesign Team Members: Megan Farrish Claira Hart Kevin Madson Erika Poli William Tillmans Outline Project Overview Community Background Field Assessment Proposed Design Summary

Transcript of Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected...

Page 1: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

1

Bajo GavilanAqueduct Design

2014 iDesign

Team Members:Megan FarrishClaira Hart

Kevin MadsonErika Poli

William Tillmans

Outline• Project Overview• Community Background• Field Assessment• Proposed Design• Summary 

Page 2: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

2

Project Overview

• International Senior Design Project• Gravity‐fed water distribution system

• Traveled to Panama from 8/10‐8/24 • Field Assessment in Bajo Gavilan

• Determine community needs• Survey proposed aqueduct route• Worked with local PCV

• Fall 2014: Provide final designrecommendations

Bajo Gavilan, Bocas del Toro, Panama

Page 3: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

3

Bajo Gavilan

• Ngäbe community• Indigenous to Panama• Subsistence farmers

• Population• 124 people, 16 households• 59% Female, 41% Male• 67% of population under the 

age of 20

• Hot and humid

Bajo Gavilan1

2

3

Section 1, 50, 41%

Section 2, 26, 21%

Section 3, 47, 38%

Population by Section

[1]

Page 4: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

4

Bajo Gavilan: Current Situation1

2

3

Photos from [1]

Objectives

To survey, model, and design a sustainable aqueduct system that will provide fresh water for section 1 of the Bajo Gavilan community 

Page 5: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

5

Field Assessment

1. Determine flow rate of new mountain spring source

2. Survey a proposed aqueduct route that will supply water to section 1

3. Test the water quality of the source

Methods: Survey

Page 6: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

6

Methods: Water Flow Rate

Methods: Water Quality

Page 7: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

7

Survey Results: Proposed Route

Survey Results: Elevation Profile

0

100

200

300

400

500

600

700

800

900

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8

Elevation AMSL (ft)

Horizontal Distance from Source (miles)

Page 8: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

8

Other ResultsFlow Rates

• Spring = 6.9 GPM• Demand = 2.0 GPM

Water Quality 

System Modeling and Analysis

• EPANET• Pipe diameter• Location of storage tank• Quantity and location of break pressure tanks

• Neatwork• Downstream of storage tank only• Pipe diameter optimization

• Air block analysis• Location of air release valves

Page 9: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

9

Proposed Design

Page 10: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

10

Spring Box

[2]

Aqueduct Line

• Different pipe diameters• Buried 1.5’ underground• Components

• Air release valve• Stream crossings• Break pressure tanks

Page 11: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

11

Aqueduct Line: Air Release Valves

• Prevents air blocks in system• Used in subsurface irrigation• Floating ball mechanism

[3]

Aqueduct Line: Stream Crossings

• Galvanized iron pipe• Buried 2’ below 

deepest portion of stream bed

• Anchored at both sides

Page 12: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

12

Aqueduct Line: Break Pressure Tanks

• Prevents pipe failure from water pressure 

• Inlet, outlet, overflow, clean‐out pipes

Waypoint 80

• Three components:• In‐line chlorinator• Storage tank• Break pressure tank

• Placed on top of a concrete pad

Page 13: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

13

Household Access

• Branching lines from main line to tapstands at homes

• 0.5” SDR 13.5 PVC• Tapstands

• Tees• Shut‐off valve• Faucet

Photos from [1]

Construction

Date Phase

February 2015 • Material purchase• Site planning• Preliminary construction

March 2015 • Construction of components

April 2015 • Pipeline construction and burial

Page 14: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

14

Projected Cost Item(s) Cost

Main Aqueduct Line $3,300

Air Release Valves $70

Low Profile Spring Box $150

Break Pressure Tanks $1,800

Waypoint 80 Concrete Pad $1,200

In‐Line Chlorinator $100

Stream Crossings $550

Tapstands $200

Material Transportation $600

Overall Cost  $7,800

• Waterlines Grant • Labor

• Community contribution• 5,200 man‐hours• Approximately $2,000

• Contingencies• Additional $1,500

Summary

• Traveled to Bajo Gavilan, Panama in August 2014• Determined community needs:

• Clean water for section 1 of the community

• Surveyed proposed aqueduct route

• Evaluated the feasibility of the system in Fall 2014• Modeled and designed a sustainable system • Provided general recommendations for construction and maintenance• Provided a cost estimate and construction schedule

• Next steps: Submit data and documents to Christina

Page 15: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

15

Acknowledgements

• Community of Bajo Gavilan• Christina Duell

• Peace Corps Volunteer

• Dr. David Watkins• iDesign advisor and group mentor

• Mr. Michael Drewyor• iDesign advisor 

• Thank you!

Page 16: Outline - Michigan Technological Universitydwatkins/idesign09/2014/RE... · 1/12/2015 14 Projected Cost Item(s) Cost Main Aqueduct Line $3,300 Air Release Valves $70 LowProfile Spring

1/12/2015

16

References[1] Duell, C. 2014. “Community Analysis and Development Plan.” Received via Email communication. [2] Jones, E.K. 2014. Improvements in Sustainability of Gravity‐Fed Water Systems in the Comarca Ngäbe‐Buglé, Panama: Spring Captures and Circuit Rider Model, a thesis report. Michigan Technological University, Houghton, MI. [3] Xtremehorticulture of the Desert. 2014. Air Vent Valves. Link: http://xtremehorticulture.blogspot.com/2014/09/fertilizer‐injectors‐are‐timesavers‐but.html. Accessed on 12/10/2014.