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Minnesota Department of Transportation

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Open Standpipe Installation Photos
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For more information contact: Ruth Roberson or John Siekmeier

 
Open standpipe installed at top of subgrade

Open standpipe
installed at top of
subgrade

Standpipe extends 14 feet below top of subgrade

Standpipe extends
14 feet below top
of subgrade

PVC (90 degree angle) secures sensors

PVC (90 degree angle)
secures sensors
 

Coaxial cable and pressure transducer

Coaxial cable and
pressure transducer
 

Standpipe is sealed

Standpipe is sealed
 
 

Cables will be trenched

Cables will be trenched