Contact Information
2284 NW Thurman St.
Portland, Oregon, 97223
Voice: (503) 227-7659
Fax: (503) 227-1074

Geophysics - Vibration & Noise - Rock Mechanics

Providing Quality Consulting Services since 1984

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Services include (but not limited to):

·         Locating voids and caverns

·         Locating underground utilities and pipes

·         Examining condition of brick, masonry and concrete structures

·         Examining condition of sub-grades beneath roads, railroad tracks, and runways

·         Locating rebar and cables in concrete

·         Mapping Bedrock topography

·         Locating seepage through dams

·         Determining stratigraphy

·         Groundwater exploration

·         Mineral resource exploration

·         Sand, gravel, and hard rock resource exploration

·         Locating buried magnetic objects

·         Determining compressional and shear wave velocity versus depth for seismic response analysis

·         Detecting shallow faults and fracture zones

·         Detecting large boulders

·         Estimating rippability

·         Monitoring time-varying changes in elastic properties

·         Determining liquefaction potential

·         Determining soil compaction

·         Determining subsurface geology

·         Planning grounding grids

·         Determining basin geometry

·         Evaluation of drilled shafts

·         Mapping contaminant plumes

·         Locating archaeological sites

·         Determining depth to the water table

·         Locating leakage from landfills

·         Delineating perched water tables

·         Unexploded Ordinance (UXO) detection

·         Underground Storage Tank (UST) detection

·         Locating buried landfills and trenches

·         Determining extent of leachate plumes

·         Locating underground streams

·         Forensic investigations

·         Vibration and Noise Monitoring:

·         Environmental Impact Studies

·         Vibration Monitoring and analysis

·         Acoustic Monitoring and analysis

·         Mechanical Equipment Evaluation

·         Preventative Maintenance Programs

·         Vibration and Acoustic Isolation Design

·         Blast Design

·         Pre-Construction and Pre-Blast Surveys

·         Damage Probability Analysis

·         Uniaxial Compressive Strength

·         Direct and Triaxial Shear Strength

·         Direct and Indirect Tensile Strength

·         Dynamic & Static Elastic Moduli

·         Thermal Expansion, Conductivity and Diffusivity

·         Bulk and Grain Density

·         Moisture Content

·         Porosity