The Uplands Retaining Walls, Prince George’s County, MD

  • Subsurface exploration, laboratory testing, geotechnical analysis, retaining wall design, and construction observation and testing services for the Uplands’ site at National Harbor.
  • Designed a two-tier and a three-tier gravity retaining wall. The lowest tier’s maximum height is 16 feet high. The middle tier has a maximum height of 10 feet. The upper tier has a maximum height of 6 feet high.

Yard 56, Baltimore City, MD

  • Geotechnical engineering, environmental consulting, and construction observation and testing services for the 20-acre, award-winning mixed-use redevelopment of the former PEMCO Industrial manufacturing plant to include retail, office, and residential facilities.
  • GTA worked to develop foundation and earthwork recommendations for structures supported in the native clayey soils, and an up to 40-foot-deep industrial landfill along the western portion of the property.
  • Named “Best in Real Estate” by Baltimore Business Journal.

Avalon 555 President, Baltimore City, MD

  • 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.

Ronald McDonald House, Baltimore City, MD

  • 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

Ripken Center, Stadium, and Courtyard & Residence Inn by Marriott, Aberdeen, MD

  • Geotechnical engineering and COT services for the 155,000-SF, seven-story hotel, founded on 394 vibro-piers. Building design imitates the “Warehouse” building at Oriole Park at Camden Yards in Baltimore.
  • Geotechnical engineering for the 44-acre summer camp including recommendations for foundations, slabs, retaining walls, pavements, and a stormwater management facility.
  • Geotechnical engineering and COT services for the 6,300-seat Ripken Stadium, including the use of lime-stabilization of parking and drive areas for pavement support.

Bel Air Auto Auction Stream Restoration Project, Harford County, MD

  • Stream restoration design, construction observation and project management for a 75-foot section of severely degraded and eroded channel that flows into the preserved wetland area.
  • State and federal wetland permits for permanent impacts to intermittent streams from development of the 175-acre Riverside East Business Park property.
  • Grading and the installation of imbricated rip-rap toe rock around two eroded stream bends to minimize further scouring and erosion during storm events.

The Residences at Bulle Rock, Harford County, MD

  • Geotechnical engineering, environmental consulting, and COT services for the 977-acre residential development.
  • Services include testing for mass grading, SWM facilities, subsurface utilities, and monitoring lot fill treated with soil cement.
  • Inspections of cast-in place concrete, foundations, reinforcing steel as well as structural steel inspections for clubhouse building & water tower.
  • Observations for construction of a bottomless arch bridge, and construction of a reinforced soil slope and modular block retaining wall.
  • Named HBA of MD, LDC, Project of the Year.

Medical Office at East Run, St. Mary’s County, MD

  • Subsurface exploration, laboratory testing, geotechnical engineering, wetland delineation, and COT services.
  • Three-story, 44,500-SF, fast-tracked medical office building, pharmacy and associated infrastructure improvements.
  • Anticipated LEED Silver certification.

Village South at Waugh Chapel, Anne Arundel County, MD

  • Drilling, lab testing, geotechnical engineering, environmental consulting, & COT services for the 100-acre, 1.2 million-SF residential, retail, & commercial development, located at the site of a former sand & gravel mine reclaimed with fly ash.
  • Site issues encountered included: fly ash fill, loose fly ash, uncontrolled fill, a stump dump, a deep mined hole, a tall retaining wall on uncontrolled fill, an existing deep sewer with poor backfill, and a proposed deep sewer close to a building.

Principio Business Park & Warehouses, Cecil County, MD

  • GTA provided geotechnical engineering and natural resource planning services in conjunction with the comprehensive master land use plan for large warehouse/distribution (up to 1,500,000 SF in size) and office uses at the 1,000-acre property with rail access and close proximity to I-95.
  • Also provided geotechnical explorations and recommendations, natural resources planning, environmental consulting, & COT services for several parcels at the business park.