Water Supply System in Ntisaw, Cameroon

By: Garrett Kehoe

November 21, 2013

Goals• Determine if water filter can be installed

– Map water distribution pipeline– Find elevation profile of pipelines– Determine if pipeline profiles are accurate– Determine headloss curve

• Organized gps coordinates for input into GIS

• Separate and label everything

• Connect all points with lines to form vectors for pipelines

0 500 1000 1500 2000 2500 3000 3500 4000 45001700

1720

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Elevation Profile

SRTM Elevations ASTER Elevation

Distance (m)

Elev

ation

(m)

Get SRTM & ASTER DEM from USGS at 3 arc second

Tool – Extract Multi Values to Point

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960

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ASTER Profile SRTM Profile 3D Interpolation Survey Profile

Distance (m)

USGS

Ele

vatio

n (m

)

Elev

ation

(m)

Use 3D Analyst Interpolate Line Tool

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0.5

1

1.5

2

2.5

3

Land Surface Profile to Sabo Tank

Survey Profile 3D Interpolation

Distance (m)

% C

hang

e Fr

om M

ax E

leva

tion

• Much better tool• Profiles beginning to look similar

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2

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12

Head Curve to Sabo Tank

Distance (m)

Avai

labl

e He

ad

(m)