Geotechnical Instrumentation

Site Characterization

Site characterization is a systematic study conducted to collect data regarding in-situ ground conditions. The main purpose of a site investigation is to derive the subsurface characteristics in order to predict soil and/or rock behavior at a minimal cost. While cost and value can be synonymous, true value is gained from tailoring site-specific data to …

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Drilled Shafts

Drilled Shaft Installation – Morgan State University

Drilled shaft installation is underway for Morgan State University’s new Thurgood Marshall Hall! FTG has teamed with Atlantic Caisson and HCEA to implement a drilled shaft program that satisfies the structural demands of the building foundations.  FTG technician, Kory Hart, leads the inspection of the Technique Shaft with downhole casing entry to confirm engineering design …

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Parkside Pedestrian Bridge – Washington, D.C.

Construction is underway on a pedestrian bridge that will provide access between multiple neighborhoods and a local Metro Station in Washington, D.C.. The Parkside Pedestrian Bridge will cross over DC-295, as well as the WMATA/CSX railroad tracks in the area, in order to provide safe foot traffic over its 400-foot span. Auger cast in place …

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foundation test group design investigation

Geotechnical Investigation – Temple Hills, MD

In Prince Georges County, Maryland, FTG routinely provides Special Inspection services as the Geotechnical Inspector of Record (GIR). One such project is a new self-storage project in Temple Hills, Maryland. In response to conditions encountered during construction, FTG teamed with the Geotechnical Engineer of Record ATC Group of Columbia, Maryland to assist in forging a …

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harry nice bridge

Harry Nice Bridge – Construction Phase in Newburg, MD

Geotechnical instrumentation monitoring has entered the Construction Phase at the Harry Nice Bridge project as pre-cast concrete pile driving is underway. A combination of 140+ instruments including seismographs, tilt sensors, strain gauges, and structural monitoring prisms with automated total stations are currently being utilized to monitor existing bridge performance. Geotechnical Instrumentation Services In Other FTG …

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anchor testing

Anchor Testing – Charles Center, Baltimore, Maryland

Jack Rogness, keeping on the right track! FTG was on site to perform pullout and torque testing for Railroad Construction Co. of South Jersey (railnj.com) at Baltimore’s Charles Center. A total of 26 anchor inserts were pullout tested, old inserts were removed using a core drill, anchor inserts were installed in core holes and were …

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MTA – SW204, Baltimore, Maryland

FTG installed two automated extensometers adjacent to Baltimore’s Light Rail tracks for monitoring during tunnel boring operations. Throughout the construction of the new stormwater culvert, extensometers will provide an early warning system for settlement of both the overburden soils and track foundation; thus allowing for real time adjustments to construction methodology toward less impact and …

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Drilled Shaft Inspections in Atlanta, Georgia

For the SD1975 Bridge Project over Lindbergh Drive in Atlanta, GA, Team FTG provided a range of specialty testing for Drilled Shaft inspection in construction of a new railroad bridge. For Deep Foundation Contractor Clearwater Construction of Mercer, Pennsylvania. From its deep foundation inspection arsenal, FTG utilized two downhole cameras to inspect and confirm the quality …

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