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John M. Nederfield

John joined SESI in 1998 and has over 20 years of experience performing and managing geotechnical engineering services. He has performed and managed geotechnical subsurface investigations and provided reports for retail buildings, commercial buildings, industrial buildings, transportation projects, stormwater utilities, office buildings, shopping centers, high-rise towers, warehouses, and residential buildings.

John manages construction observation services for retail, commercial, industrial, transportation, stormwater, dams, and residential projects. His project involvement includes retaining walls, shallow foundations, deep foundations (drilled and driven piles, helical piles, micro piles), and ground improvement projects—dynamic compaction, rigid inclusions, rammed aggregate piers, compaction grouting, soil cement, and lightweight fills.

John received his Bachelor’s Degree in Civil Engineering from Drexel University. He is a licensed Professional Engineer in Connecticut, New Jersey, New York, and Pennsylvania.

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