The Agnes Irwin School Dining and Athletic Facility,
Bryn Mawr, Pennsylvania

Overview: The Agnes Irwin School is a prestigious all-girls private school located off the Main Line in Bryn Mawr, Pennsylvania. Over the last decade, GeoStructures has provided numerous services to the school, including inspection and materials testing for the construction of a new dining and athletic facility.

GeoStructures first began work with Agnes Irwin in 2010 by performing a geotechnical investigation for proposed school buildings. In 2011, as a part of the LEED certification process, we completed an environmental assessment (Phase I ESA) in connection with proposed facility improvements. In 2012, GeoStructures tailored an asbestos abatement plan and conducted air monitoring as part of the asbestos abatement/demolition program. In 2013, we performed a spill-response and provided a non-destructive remedial solution using a desorption/leaching process for the fuel oil-impacted soil at the site.

More recently, from March 2013 to August 2014, GeoStructures performed inspection and materials testing for the construction of a new athletic facility including foundation subgrade proof-rolling, rock anchors drilling and testing, lime modification of subgrade soils, cast-in-place concrete and masonry testing, and structural steel inspection.

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Providing state-of-the-art geotechnical engineering services with an unwavering commitment to excellence and innovation.

Percolation and Permeability In-Situ Testing 

Drilling Services and Subsurface Investigations

Foundation Investigation and Design

Highway and Bridge Geotechniques

Support of Excavation and Underpinning

Soil-Structure Interaction Analysis and Modeling

Soil Dynamics & Site-Specific Response Spectra

Vibration Monitoring and Analyses

Forensic Evaluations

Slope and Retaining Wall Evaluation and Design

Lime and Cement Stabilization

Mine Subsidence Analysis and Remediation

Sinkhole Evaluation and Remediation

Soil Improvement Techniques

Dam Analysis and Rehabilitation

Environmental Services

Landfills, Ponds, and Lagoons

Pavement Design and Rehabilitation

Construction Inspection and Materials Testing

Geotechnical Laboratory Testing

Concrete and Cement Testing

Petrographic Analysis

Instrumentation and Special Testing

Asphalt Testing

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3-D Dynamic Finite Element Analysis



Institutional & Educational


Industrial, Pharmaceutical, & Gene Therapy

Landfill Expansion Design


Research & Forensics


Water & Wastewater

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