GEI prodives the following serivces to explore the subsurface conditions:
● Test borings
● Probe and auger borings
● Test pit
● Core drilling for concrete and rock
● PID Screening tests
● Groundwater level tests as per CB-94-2004 (Prince George’s County, MD)
● Soil typing tests for Montgomery County
● Infiltration tests (Falling/Constant Head)
● Cone Penetration Test (CPT)
● Dialotometer Test (DMT)
GEI performs materials testing services during construction to ensure the materials being used meeting the specification and county building codes as well as industrial standards. The quality of construction materials used today is an essential part of the overall performance and longevity of the project, no matter what its type or size is. Our experienced professional staffs are readily available for providing such services. Our ability to provide a quick response with accurate testing demonstrates our commitment to customer services in a time of demanding schedules and budgets.
During construction, the following services will be provided by us as a part of quality control:
● Approved DOB Special Inspector for Residential & Commercial
● Special Inspection Service (Montgomery Co., MD; Fairfax, Prince William and Loudon Counties, VA)
● Approved residential inspectors for DC, Montgomery, Fairfax, Gaithersburg, Calvert, Prince William, Fauquier Counties.
● TPIP inspection (Prince George’s Co., MD)
● Concrete tests for strength, slump, temperature, air content and unit weight.
● Footing & Underpinning Inspection
● Floor Flatness & Levelness Testing (FF/FL)
● Field Density Testing
● Masonry Inspection & Grout Strength Test
● Modular Block Wall & Retaining Wall Inspection
● Structural Steel and Welding Inspection
● Reinforcing Steel Inspection
● Caisson & Pile Inspection, Load Test
● Structural Steel & Welding Inspection
● Light Gauge Framing Inspection (CFMF)
● Lime & Cement Stabilization
● EIFS Inspection
● Waterproofing Inspection
● Sparyed & Thin Film Fireproofing Inspection
● Roofing Inspection
● Calicum Chloride Testing
● Air Barrier Inspection
Our laboratory has been accredited by AASHTO. GEI provides the following services to measure a wide variety of soil properties:
Soil and Aggregate
● Atterberg Limits Test
● Grain size analysis
● Hydrometer test
● Proctor
● California Bearing Ratio (CBR)
● Consolidation
● Permeability
● Unconfined compression
● Topsoil analysis
● Soil Typing Tests
Concrete and Masonry
● Concrete cylinder break
● Concrete beam break
● Grout prism tests
● Cube tests
● Core tests
Chemical
● Chlorine contents
● pH tests
GEI provides the following geotechnical engineering serivces:
● Shallow and deep foundations
● Tower foundation
● Earthwork requirements
● Subdrainage analysis
● Seepage analysis for dam
● Pavement design
● Damage study for building, roadway, pavement and slope
● Excavation sheeting, underpinning and tieback analysis
● Compaction grouting
● Infiltration study
● Groundwater study
● Slope stability analysis
● Pile dynamic analysis
● Special foundations
● Value engineering
● constructability study
● Retaining wall design
● Helical pier design
● Geopier system
● Piles including Steel H piles, auger cast-in-place piles, concrete piles, timber piles, steel tube piles,
micro piles, ect.
● Sink hole study
● Cracked wall
● Basement water seepage
● Sink holes
● Settlement issues
● Pavement damage
● Concrete damage
● Surface drainage problem
● Erosion problem
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