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Elverson, PA

Houston, TX

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Indian Brook Reservoir

January 5, 2017

Melcar has successfully completed the installation of two 60in (1,524mm) tunnels through glacial till. The Melcar team faced many complications with this project including: 


~ Geotechnical conditions - sluffying clay, cemented granite (glacial till), boulders larger than OD of the product pipe.

~ No pit - thrust blocks had to be fabricated and made in the field. This required extensive concrete and piling works to without the axial forces of thrusting the 60in steel tunnel forward. 

~Weather conditions - during the course of this project, the North East experienced lower than normal temperatures, exaggerated by splitting winds and excessive freezes. 


Because Melcar had to bore from the outside into a pre-cast vault, line and grade requirements had no margin of error.