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Soil Drilling Services

The Truck Mounted Mobile Drill and Portable Minute Man Drill come standard on our rigs so we can provide both services in the same visit.

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Truck Mounted Mobile Drill Machine - Self-Contained


Mounted on a Heavy Duty 4WD truck that can fit in tighter spaces and more rugged terrain than standard 2WD larger drill platforms while still providing plenty of power and depth.


Applications include:

·  Test drilling for structural foundations, roads, runways.

·  Pre-bid drilling for general construction, earth or rock moving.

·  Drilling in concrete and soils for installation of piers, drainage and signage.

·  Installation of piezometers and water wells.

·  Concrete/asphalt core drilling.


Hydraulic Soil Sampling, Coring and Drilling Machine:


This model is self powered including:

  • Heavy Duty Rotary Head
  • 8' Heavy Duty Kelly Bar
  • Swinging Mast Rotary Cathead
  • 66” stroke master cylinder
  • Drop Hammer 140 lb. (63.5 kg) (Meets ASTM Specification)
  • Soil testing with standard penetration split barrel samplers (2” X 1 3/8” & 3” X 2 1/2” California Modified)
  • Continuous and Hollow stem augers
  • Anchoring System (for rugged terrain)

Equipment Specifications:


Rotary Head

0 - 190 RPM (Adjustable)

1,075 ft.-lbs. torque (12,900 in.-lbs.)


Master Cylinder

11,050 lbs. Down Force @ .88 ft. per second

7,100 lbs. Pull Force @ 1.38 ft. per second


Min. Capabilities (under extreme conditions)

4" Dia. to 70 ft. / 6" Dia. to 60 ft. / 8" Dia. to 50 ft. / 10" Dia. to 40 ft.


Portable Minuteman


This model includes:

  • Soil testing with standard penetration split barrel samplers (2” X 1 3/8” & 3” X 2 1/2” California Modified)
  • Portable rotary cathead
  • 140 lb. SPT  Drop Hammer
  • Equipment height at 7’-6”
  • 7’ – 15’ A-Frame

Drilling Capacities:

Auger Drilling (low-speed shaft)

Diameters:

  • 50' with 3" augers (9.1 m with 76.2 mm)
  • 10' with 12" augers (.91 m with 305 mm)

Core Drilling (high-speed shaft)

  • Concrete/asphalt core drilling: 1" to 8"

8 Horsepower Engine

Maximum spindle torque 350 ft.-lbs. (48 kg-m)

Maximum spindle R.P.M. 1,100


Rates are dependant on project. 

To set-up an estimate or inspection,
call: 650-637-8027

© 2009 EDC, Inc. All rights reserved.
Please contact us anytime with questions.

You can e-mail us at:

Peninsula - P.O. Box 620306, Woodside, CA 94070
Ph: 650-637-8027, Fax: 650-637-8075
East Bay - P.O. Box 20236, Castro Valley, Ca 94546
Ph: 510-397-2212, Fax: 510-397-2212
Licensed Civil Engineers #C54636, #C72374
Licensed Engineering & C57 Contractor #853369