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Our Equipment

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Holocene has state of the art drilling equipment.

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Our Equipment

Our drill rigs are Holocene’s workhorses. Each offers various drilling methods designed to meet geotechnical and environmental drilling objectives. Subsurface geology, site accessibility, sampling methodology, and project location all help us determine the ideal rig for a project.

Our fleet of track and truck mounted drills range from small footprint and low clearance rigs to difficult access and high torque rigs. All have the power to penetrate the most difficult Pacific Northwest formations. Our fleet is well-maintained and ready for service at all times. Our full-service maintenance facility is also equipped to provide in-house custom fabrication and modifications to our equipment. Prior to jobsite deployment, each drill undergoes a careful safety inspection.

The size and diversity of our drilling fleet gives our crews flexibility to select the right equipment for the project. From difficult site access to multiple rigs on-site, our crews arrive with the proper equipment, prepared to achieve your specific drilling objectives.

Equipment Specifications & Dimensions

Holocene's Drill Rig Fleet

HSA

MUD

ROCK

PRO

SPEC

SONIC

Geoprobe®  8140LC Sonic
Track Rig

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Diedrich D-50
Track Rig #1

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Diedrich D-50
Track Rig #2

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CME 850
Track Rig

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Diedrich D-90
Truck Rig

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Diedrich D-120
Truck Rig

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Mobile B-61
Truck Rig

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Mobile B-59
Truck Rig

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Brainard-Killman BK-81
Truck Rig

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GEFCO SS-15
Truck Rig

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Komatsu PC-60
Track Rig

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Pulstar PH 10,000
Pump Hoist/Well Perforator

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Vacmaster Safe-Dig
Truck Rig

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Geoprobe® Model 7822DT

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AMS Powerprobe PRO
PTO 9630 Truck Rig

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AMS Powerprobe 
9500-D Truck Rig

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AMS Powerprobe
9100-P Track Rig

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Legend:

HSA = Hollow Stem Auger Capabilities
MUD = Mud Rotary Capabilities
ROCK = Wireline Rock Coring Capabilities
PRO = Direct Push or Probe Capabilities
SPEC = Hydraulic or Vacuum Capabilities
SONIC = Sonic Drilling Capabilities
 
 
Note: Maximum boring diameter, depth, and   advancement rate is dependent on the drilling method and geologic stratigraphy.
 
Subsurface rock, soil or overburden formations can vary greatly and may impact the maximum achievable depth and diameter of the boring.  This is dependent on actual field drilling conditions.  Our goal is to match the right drilling equipment to actual site drilling conditions.
 

Auto-Hammer Sampling Accuracy

Additional Sampling Equipment

  • Split-spoon / SPT Sampler
  • Modified California Sampler or Dames & Moore Sampler
  • Shelby Tube Sampler
  • Piston Sampler
  • Pitcher Barrel Sampler
  • Hydropunch Sampler
  • Peristaltic Pump Sampler
  • Bailers
  • Soil Vapor Sampler
  • NQ Rock Coring (Triple Tube)
  • Direct Push Sampler
Each drill is equipped with a calibrated Automatic Standard Penetration (SPT) Hammer, with blow counts accurate to the ASTM procedure. 140 lb. or 300 lb. calibrated auto-hammers are available with hydraulic breakout wrenches and hydraulic rod clamps.
 
Up-to-date hammer calibration data is maintained and available for each auto-hammer system in the fleet.