GTA provided environmental consulting, underslab drainage system design, and construction observation and testing (COT) services.
15-story, 154-unit luxury apartment tower with two levels of underground parking, located on 1.65 acres and within walking distance to the Bethesda Metro station.
Development included a 4-story 104-unit condominium building and a 5-story, 62,000-sf retail and office building situated above a 1-story parking structure.
GTA Associates, Inc.’s services included construction observation and testing of structural fills, concrete foundation and slabs, structural steel, masonry, asphalt, and a 6,500-sf soil nail wall.
Geotechnical and environmental consulting for the 23-story, 750,000-SF, mixed-use building with apartments, condominiums, retail, and parking.
COT services and environmental consulting during construction of building’s foundation.
Instrumentation and monitoring plan to monitor settlement of a century old brick-lined stormwater tunnel supported on timber piles, located less than 10 feet from the proposed 3- to 6-foot diameter caissons.
GTA Associates, Inc. provided construction observation and testing services for this two-story medical office building with a below grade parking garage.
Inspection of spread footings, rock quantifications, structural concrete testing, masonry inspection, and asphalt testing.
Subsurface explorations including SPT borings, seismic Cone Penetration Test soundings, and test pits.
12-story mixed-use facility including 208 luxury apartments, 95,000 SF of retail, and 1,000-car parking structure.
The seismic CPT soundings allowed GTA to improve the seismic site class for the site resulting in a cost-effective structural design.
Construction phase observation and testing services.
22-Story luxury hotel and condominium tower and a 26-story office tower at Baltimore’s waterfront with 5-story below grade parking.
Construction observation and testing included a slurry wall, mat foundation, post-tensioned concrete, micro-piles, caissons, and tie-back anchors.
Geotechnical, environmental, and hydrogeological services including borings, monitoring wells, seismic analysis, and in-situ permeability testing.
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