Locate Underground Utilities in Portland, Vibrations Portland, Geophysics Portland, Sinkholes in Portland

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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