Geotill’s geotechnical services include projects range from basic footing inspections to complex geotechnical evaluations. shallow (spread footings and mat foundations) and deep (auger-cast, drilled pier, driven piles, aggregate columns, stone columns) foundation systems, and earth retention systems including drilled pier, sheetpile walls, slurry walls, braced excavations, segmental, soldier pile, soil nail, MSE and modular block walls, large block walls and stone gravity retaining walls. Our geotechnical personnel are also experienced with site development including site grading, construction of engineered fills and retention systems, and infrastructure improvements, including water and sewer lines.Our instrumentation geotechnical services include instrumentation for tieback installation, settlement monitoring, deep foundation load testing, slope inclinometer monitoring, vibrating wire piezometers, settlement cells and earth pressure cells.