Our Services
 

GeoStructures offers a wide range of professional services in the geotechnical engineering and construction monitoring fields. All of our work is backed by an unwavering commitment to excellence, innovation, and practicality.

 
Concrete Laboratory Testing
Construction Monitoring
Dams Analysis & Rehabilitation
Environmental Assessments
Foundation Investigation & Design
Geotechnical Laboratory Testing
Highway and Bridge Geotechniques
Lime and Cement Stabilization
Mine Subsidence Analysis & Remediation
Pavement Design & Rehabilitation
Percolation/Permeability In-Situ Testing
Pond and Lagoon Liners Design
Research and Special Studies
Sinkhole Evaluation & Remediation
Slope/Retaining Wall Evaluation & Design
Soil Improvement Technologies
Soil-Structure Interaction
Subsurface Investigations

Environmental Services to include:

  •  Phase I and Phase II Environmental Site Assessment
  • Clean & regulated fill: sampling and analytical testing, characterization, management/handling of fill materials following agencies regulation
  • Characterization and delineation of contaminant plumes
  • Aquifer hydrogeologic characterization (pumping test etc)
  •  Landfill/lagoon design, inspection & monitoring
  •  Contaminant fate and transport modeling and analysis
  •  UST/AST investigation, impact assessment and regulatory handling
  •  Air, mold, asbestos, lead, and PCB surveys
  •  Asbestos and lead-based paint abatement plan, oversight and monitoring
  • Spill response, plan, oversight, and regulatory compliance
  • Construction and demolition oversight
  • Environmental soil, groundwater, and surface water sampling and remediation (excavation/removal, bioremediation, in-situ chemical injection, chemical oxidation etc)
  • Remedial Action Completion Report
  • Environmental drilling (SPT, geoprobe, Shelby, CPT etc)
  • Geophysical environmental investigations (surface or borehole geophysical methods)
  • LEED certification documentations
  •  Marcellus shale (well pad site, pipelines & accessory equipment stations, etc) related services such as environmental drilling, baseline sampling, & waste characterizations, foundation designs, and BMPs
  •  One-stop shop for our clients to both geotechnical and environmental issues

Environmental Site Assessments and Impact Statements

Federal environmental laws hold a current property owner responsible for above-ground pollution or contamination of the soil or groundwater on their land even if it was caused by a previous owner. The objective of a Phase I environmental site assessment (ESA) is to assemble an initial overview of a property by identifying recognized environmental conditions (RECs) that may need further investigation. Use of ASTM E-1527 guidelines meets the “due diligence” standard, allows property buyers and developers to comply with legal requirements of the Innocent Landowner Defense, and minimizes the risks of environmental liability associated with property transactions. Major components of Phase I ESA reports are: historic records; aerial photos; government pollution reports; tank registries, and site reconnaissance of environmental conditions and potential hazards.

Recognized environmental conditions (RECs) uncovered during the Phase I study are further explored by conducting a Phase II environmental site assessment (ESA). This work tends to be site-specific to the concerns identified and may involve sampling and testing of soils, groundwater, and building materials. The objectives are to document the presence of contamination, compare the levels to state and federal standards for various property uses, and determine whether further environmental action such as additional sampling, chemical testing, monitoring or remediation (cleanup) is warranted.

 

The National Environmental Policy Act (NEPA) requires an environmental impact statement (EIS) when a project is federally controlled by licensing or funding and is potentially environmentally significant. According to the Council on Environmental Quality guidelines, an EIS should consider: direct and indirect effects of the project; interference with other facilities; energy and resources conservation; and preservation of urban, historic and cultural quality. Examples of impact categories are wetlands, wildlife, historical and socioeconomic landmarks, noise and vibration levels, air and water quality, and hazardous waste.

 

 
 
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