OUR COMPANY
GFA maintains a broad spectrum of state-of-the-art equipment and vehicles for every need.
Environmental Equipment List
Groundwater Sampling Equipment
- Peristaltic Pumps
- Geopump
- Bernant Co. Portable Sampler
- Marine Deep-Cycle 12-volt Battery
- Water Level Indicators
- KEK Instruments KIR-89 Interface Probe
- Heron Instruments U-10 GW Monitoring Little Dipper
- Tubing
- ECT Silicone Tubing - 1/4" x 7/16" 50' soft coil
- ECT Polyethylene tubing - 1/4" x 3/8" 500' spool
- Turbidity Meters
- MicroTPW Turbidimeter
- 2020 Turbidimeter La Motte
- Cole Parmer Turbidimeter
- OakTon 300 DO series Dissolved Oxygen/°C/°F Meter
- OakTon PC 300 Series pH/Conductivity/°C/°F Meter
- HORIBA U-10 Water Quality Checker (w/flow-thru cell)
- YSI Environmental pH 100
- Hermit Data Logger w/Pressure Transducers
Soil Sampling Equipment
- HeathTech Port-a-FID III OVA/FID (w/case and 4 fuel canisters)
- Stainless Steel Hand Auger w/ handle and extensions
- Hand Augers with 2" buckets
- Telescoping Hand Augers with 1" buckets
- Stainless Steel Mixing Bowl
- Round Tip Shovel
- Flat-tip Shovel
- Demolition Bar
- Spud Bar
- Lufkin Measuring Wheel
Surveying Equipment
- Top Con AT-G4 Auto Level
- Forestry Supplier Tripod
- 13' Leveling Rod
Personal Protective Equipment
- Hardhats
- Diamond Grip Latex Gloves
- MSA Advantage 200LS Half-Mask Respirator
- Tyvek® Disposable Particulate Overalls
Miscellaneous Field Equipment
- Garmin GPS 12-Channel Navigator
- Cameras
- Sony Digital Mavica
- Nikon Coolpix 7900 Digital Camera
- Tool Buckets
- De-con Kits
- Liqui-nox
- FID Calibration Gas
- Calibration Fluid for La Motte 2020
- Calibration Kit for MicroTPW Turbidimeterx
- Calibration Fluid for HORIBA
- Grey Plastic Wheeled Cart
- 12' Pole Sampler
- Compressed Hydrogen Cylinder
- HeathTech Detecto-Pak II Flame Ionization Hydrocarbon Detector
- Stainless Steel Hand Augers
- Samplers and Mixing Bowls
- Geopump Peristaltic Pump
- MircoTPW Turbidmeter
- Horiba U-10 Water Quality Checker
- KIR-89 Oil/Water Interface Probe and Garmin GPS 12
- Speed Water Pump
- Interface Probes
- Dissolved Oxygen and Temperature Meters
- pH Conductivity Temperature Meters
- Water Quality Checker>
- Data Logger w/Pressure Transducer
Geotechnical Equipment
| Size/Model | Description | Length |
|---|---|---|
| 3 1/4" diameter | Hollow Stem Auger | 250' |
| 3 1/4" diameter | Drive Caps | |
| 3 1/4" diameter | Cutter Heads | |
| 2" diameter | Solid Stem Auger | 230' |
| 10 1/4" | Hollow Stem Auger | 140' |
| 10 1/4" | Cutter Heads | |
| 10 1/4" | Drive Caps | |
| 6 5/8" | Hollow Stem Auger | 120' |
| 6 5/8" | Cutter Head | |
| 6 5/8" | Drive Caps | |
| 4 1/4" | Hollow Stem Auger | 160' |
| 4 1/4" | Cutter Head | |
| 4 1/4" | Drivecap | |
| 6 1/4" SW | Casing | 230' |
| 3 1/4" NK | Casing | 210' |
| NWJ | Drill Rod | 200' |
| AWJ | Drill Rod | 250' |
| Lenx | Split Sppon Samplers | 250' |
| 100 Gallon | Mud Pan | |
| 150 Gallon | Mud Pan | |
| 250 Gallon | Mud Pan | |
| 300 Gallon | Mud Pan | |
| 12" | Roller Cone Bits | |
| 10" | Roller Cone Bits | |
| 10" | Drag Bits |
Additional Geotechnical Equipment
| DDC-7001 | Cut Saws |
| Electric Jack Hammer | |
| Tri-Pod (2) | Portable Drill Rig |
| 6000 Watt | Generators |
| 385 BD | Steam Cleaners |
| 5-HP (3) | Centrifugal Pumps |
| Nx | Core-Barrels |
| 2", 4", 6" & 10" diameter | Core-Barrels |
| G75P | Concrete Vibrator |
| 12' | Aluminum Boat |
| Lincoln | Arc Welder |
| Hand Auger Assemblies | |
| Mala Geosciences | Ground Penetrating Radar |
Geotechnical Vehicles
- Flat Trailer
- GMC C25 Support Truck
- 50 GMC Sonoma/Tacoma Pickup trucks
- 8100 International Tractor
- GMC Sierra
- GMC F450 w/ Simco 2400 Drill Rig
- International 7300 w/ Diedrich D-50 Drill Rig
- Freightliner M2 w/CME 75 Drill Rig
Specialized Geotechnical Vehicles
- Ardco Buggy w/ Mobil B-50 Drills
- Swamp/Track Rig w/ CME 45 Drill
- Barge Platform w/ CME 45 Drill
- Tripod Rigs (2)
Marine Vessels
- "Thunderforce" 85' Research/Utility Vessel
- 38' Research Vessel
- 24' Shallow Draft Vessel
- Rib Inflatable
Specialized Marine Equipment
- 8' Pneumatic Vibracore - capable of cores up to 40' length
- 8' Pneumatic Vibracore - capable of cores up to 20' length
- AVS 6000 Electric Vibracore
- AVS 6000 Portable Electric Vibracore
- AVS Penetrometer
- Trimble Geo XT Submeter dgps
- 10k Generator
- Cathead Winch
- 6,000 lb Winch
- 18,000 lb Winch
- Capstan
- Portable Lab Module
Miscellaneous Specialized Equipment
- Pile Driving Analyzers (PDA)
- Ground Penetrating Radar
- Handheld Groundwater Multi-meter
- Sampling Pump Peristaltic Groundwater
- Portable Drill Rig Tri-pod
- Generators (2,500 – 35,000 kw)
- Centrifugal Pumps
- Seismographs
Construction Materials Testing Equipment
- Organic Impurities Kit
- Concrete Compression Machines (250,000 - 400,000 capacity)
- Air Entrainment Meters
- Windsor Probe
- Asphalt Centrifuge
- Muffle Furnace
- Soils & Gravity Convention Ovens
- Atterburg Limits Equipment
- LBR Press & Triaxial Load Press
- Liquid Limits Machine
- LA Abrasion Meter
- Jaw Crusher
- Soil Pulverizer
- Floor Flatness Meter
Web-Based Project Management System
- In-house Project Database
- In-house Cost & Scheduling Control
