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Our Services

Geotechnical Engineering

P. Machibroda Engineering Ltd. provides all facets of geotechnical engineering services to make your project a success.  Whether your structure is an inland terminal, a mine, a tower, or a dam, you need a solid foundation.  From the preliminary design to final construction, we provide practical, cost effective solutions to help you complete your project.

Our geotechnical services include:

  • Site characterization
  • Subsurface exploration
  • Foundation analysis
  • Slope stability analysis
  • PDA Testing
  • Groundwater assessments
  • Earthwork structures
  • Pavement design
  • Pile load testing
  • Pile Inspection
  • Footing Inspections

State-of-the-art Geotechnical Testing Capabilities


Triaxial Test

• Unconsolidated Undrained (UU) Triaxial Compression [ASTM D2850]

• Consolidated Undrained (CU)Triaxial Compression [ASTM D4767]

• Consolidated Drained (CD) Triaxial Compression [ASTM D7181]

Hydraulic Conductivity Test

• Flexible Wall Permeability [ASTM D5084]

• Constant Head Permeability [ASTM D2434]


Compressive Strength of
Soil & Rock Test


• Unconfined Compressive Strength
(UCS) of Soil [ASTM D2166]

• Compressive Strength and Elastic Moduli of Rock [ASTM D7012]


Direct Shear Test

[ASTM D3080]


Consolidation, Swell & Collapse Test

• One-Dimensional Consolidation
[ASTM D2435]

• One-Dimensional Swell or Collapse
[ASTM D4546]

Pile Driving Analyzer (PDA)

[ASTM D4945]


Soil Index, Aggregate & Asphalt Test

• Moisture Content [ASTM D2216]
• Atterberg Limits [ASTM D4318]
• Grain Size Analysis (Hydrometer) [ASTM D422]
• Wash Sieve Analysis [ASTM C136]
• Material Finer Than 75 um [ASTM C117]
• Specific Gravity [ASTM D854]
• Standard Proctor [ASTM D698]
• Modified Proctor [ASTM D1557]
• California Bearing Ratio [ASTM D1883]
• Marshal Stability & Flow [ASTM D6927]
• Los Angeles Abrasion of Small-Size Aggregate [ASTM C131]
• Los Angeles Abrasion of Large-Size Aggregate [ASTM C535]


Geoenvironmental Engineering

We have extensive experience in geoenvironmental engineering with trained professionals having from 10 to 30 years of geoenvironmental engineering experience.  Our multidisciplinary staff of professionals is committed to providing our clients with cost effective, technically sound practical solutions.

Our full range of geoenvironmental services include:

  • Phase I ESA’s
  • Phase II ESA’s
  • Site decommissioning/remediation
  • Risk assessment
  • Intensive Livestock Operations (ILOs)
  • Landfill and sewage lagoon assessment
  • Evaluation of soil/geology
  • Groundwater monitoring/management
  • Aquifer characterization
  • Contaminant impact assessments
  • Potable water resource development
  • Aquifer and wellhead protection
  • Groundwater testing
  • Groundwater remediation
  • Groundwater modelling

Materials Testing

P. Machibroda Engineering Ltd. maintains multifaceted state-of-the-art materials testing laboratories.  We specialize in field and laboratory testing and analysis of properties of construction materials including soils, concrete and asphalt.  Analyses are conducted in conformance with applicable standards and specifications.  Our qualified lab technicians are fully trained and tested in standard test methods as well as health and safety.  All test results are reviewed and approved by our Laboratory Manager prior to acceptance.

Our material testing services include:

  • Field and laboratory soil testing
  • Concrete and asphalt testing
  • Construction materials QA/QC inspection
  • Concrete coring
  • Floor Flatness
 

Drilling

P. Machibroda Engineering Ltd. owns and operates a variety of drilling equipment.  Our fleet includes truck and track mounted drillrigs, continuous and hollow stem auger drill rigs, and diamond drill rigs.  Each of our rigs has CPTu capability.  For rugged sites, we use our tracked and portable drilling equipment.  For normally accessible locations, we have truck mounted drill rigs.  Our in-house mechanics maintain our equipment to ensure that downtime is limited.  Whether the project requires diamond coring through a dam, horizontal drilling through a bridge abutment, drilling in the middle of a river or anything in between, P. Machibroda Engineering Ltd. has the expertise and equipment to get the job done in a timely, efficient and cost effective manner.

Our drilling services include:

  • Continuous flight auger drilling
  • Hollow stem auger drilling
  • Piezometer/monitoring well installation
  • Soil sampling
  • Piezocone penetration (CPTu and SCPTu)
  • Barge drilling
  • Pump/yield testing
  • Packer testing
  • Borehole instrumentation
  • Grouting
  • Thermal Conductivity/Response