Pyramid Geophysical Services

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Underground Storage Tank (UST) Investigations Using Geophysics

EM61 contour map for UST

Pyramid Geophysical Services has performed a multitude of Underground Storage Tank (UST) investigations throughout North Carolina using geophysical methods. These metallic USTs are often left behind at old fuel service stations that have closed down. Old home heating oil tanks are also often left in the ground after … [Read more...]

Filed Under: Case Studies Tagged With: EM, geophysics for UST, GPR, north carolina geophysics, Underground Storage Tank, UST

Slope Stability Analysis Using Geophysics

void under road

Pyramid Geophysical Services was contracted to assist in a comprehensive evaluation of subsurface geologic and hydrogeologic conditions along a causeway in South Carolina. The causeway was experiencing slope failures and ground collapses. These failures were thought to be the result of both the presence of buried … [Read more...]

Filed Under: Case Studies Tagged With: electrical resistivity, electromagnetic, GPR, ground collapse, MASW, seismic, slope geophysics, slope stability analysis, voids

GPR Investigation of Sub-Slab Voids

GPR Void Map

Pyramid Geophysical Services conducted a geophysical investigation at a facility in Asheboro, NC where the client had indicated that a water line had leaked/ruptured beneath a concrete slab-on-grade structure. The rupture resulted in visible water penetrating upward through seams in the concrete slab. Exploratory cores … [Read more...]

Filed Under: Case Studies Tagged With: geophyics, GPR, ground penetrating radar, north carolina, radar, sub-slab voids, voids

Concrete Inspection Using High Frequency Ground Penetrating Radar

concrete inspection, GPR, rebar mapping, concrete reinforcement mapping

Pyramid Geophysical Services completed a ground penetrating radar (GPR) concrete inspection survey in a municipal parking garage in North Carolina.  The purpose of the survey was to locate rebar and post tension cables within the concrete floor slab of one of the parking decks.  Geotechnical engineers were planning to … [Read more...]

Filed Under: Case Studies Tagged With: concrete inspection, GPR, ground penetrating radar, rebar

Ground Penetrating Radar

GPR, ground penetrating radar, north carolina GPR

Pyramid has years of experience utilizing Ground Penetrating Radar (GPR) equipment and processing software to analyze geologic site conditions, evaluate the nature and integrity of subsurface strata, and locate buried objects such as UST's, drums, or waste/debris. We own both a GSSI UtilityScan DF multi-frequency radar … [Read more...]

Filed Under: Services Tagged With: GPR, ground penetrating radar, GSSI, north carolina GPR, Underground Storage Tank, UST, utility locating

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Certifications and Affiliations

GSA Contract

#gsa #contract

AFFILIATED COMPANIES

LPT Systems

Provider of lubrication, pump and tank systems and equipment, sales and service

Pyramid Environmental Services

Pyramid Environmental is our Parent Company

© Pyramid Geophysical Services Inc., a subsidiary of Pyramid Environmental & Engineering, P.C.
503 Industrial Avenue, Greensboro, NC 27406

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