Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS VIBRATORY STONE COLUMNS MICROPILES GROUTING PROJECT CASE STUDY Sector: City Sanitation Line Description The city of Valparaiso was installing a new 12” sanitary line. An 800’ section was to run between a housing edition and a protected wetland. This section had organic soils that were approximately 25’ deep and would not support the weight of the pipe. Due to the vicinity of the new line to the housing edition and the wetlands, excavation of the organic soils was not and option. Solution A helical pulldown micropile was chosen to support the 12” line. The grout was to serve as added corrosion protection in the upper 25’ due to the high moisture cont

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