ONE 22 ONE Office Tower, Davidson County, TN

24-story, 365,000-SF office building with Class AA office space, dining, retail, fitness center, conference center, 3 levels of below grade parking, and 10 levels above grade parking.
GTA provided the geotechnical study, including recommendations pertaining to design of spread foundations on the bedrock surface, and construction observation and special inspections.

Avocet Tower, Montgomery County, MD

GTA provided geotechnical and environmental consulting services.
22-story, 520,000-GSF mixed-use building with 220-key AC Hotel by Marriott, 370,000-SF office tower, and 2-story underground parking garage.

Geotechnical engineering, environmental consulting, and construction observation and testing services during construction of the foundation of the 23-story, 550,000-SF, 380-unit apartment building with ground level retail space, and seven-story parking garage.
Geotechnical services included design of the drilled pier deep foundation system for the structure. GTA oversaw the installation and performance of over 100 drilled piers ranging from 2.5 to 5-foot diameter, and 50 to 120 feet.

Environmental services, subsurface exploration, and installation of borehole inclinometers for the new six-story, 60,000-SF Ronald McDonald House structure in Historic Jonestown
Provided recommendations for construction of the two-story, below-grade garage which would be in close proximity to historic buildings, originally constructed in the 18th and 19th centuries
Construction observation and testing services
Named Best in Real Estate by Baltimore Business Journal. Received Award of Excellence by MBIA, LDC and NAIOP, MD Best Community Impact

Part of the West Rosslyn Area Plan Study (WRAPS), a County-driven and community-involved redevelopment opportunity.
Geotechnical engineering, environmental consulting, and COT services for the 1,200,000-SF above grade complex with three high-rise towers containing upscale condominium and luxury apartment communities, and ground floor retail. The complex also includes four levels of below grade parking for approximately 1,050 cars.

Environmental & geotechnical consulting during design, and environmental services during site excavation & construction.
$170 million, 308,000-SF office building with a 4-story underground parking garage, 1st floor retail, 14-stories of office space, Town Square, and transit connection.
USGBC LEED Platinum certified.
A geothermal heating/cooling system was installed beneath the parking garage; this is one of the first such applications in MD.

Geotechnical engineering, retaining wall design, environmental consulting, & COT services for 2 stories of below-grade parking, & 5 stories above-grade w/ apartments, retail, & townhouses.
Obstacles included adjacent parking garage w/ uncertain foundation conditions, adjacent below grade parking garage which could not receive additional lateral loading, existing fill and loose, wet soil conditions.
COT for this project fell under the stringent guidelines of Fairfax County’s Special Inspection Program.

Geotechnical engineering, environmental consulting, and COT services for the 270,000-SF, 17-story apartment building with a one-level, 40,000-SF below grade parking garage, and 18,000 SF of retail space on the first floor.
The foundations for the project include over 300 driven, environmental concentric closed-end steel pipe piles filled with concrete.