What We Do

DiGioia, Gray & Associates, LLC provides consulting service in the following engineering disciplines, offering innovative solutions to our client’s project needs.

Geotechnical Engineering

DiGioia Gray provides services in the areas of engineering geology and geotechnical engineering for large industrial, electric utility, commercial, and transportation facilities.  Our field of expertise includes geotechnical engineering research and providing sound geotechnical explorations and geotechnical designs for earthwork, foundations, retaining walls, and dam construction.  DiGioia Gray has specialized expertise in constructing facilities where difficult ground conditions exist, such as undermined sites, areas composed of expansive materials or “soft ground”, or have sinkhole-prone karst, seismic areas, and unstable slopes.

Structural Engineering

DiGioia Gray provides structural mechanics and design services for large industrial, electric utility, commercial, and transportation facilities.  Our field of expertise includes design and/or analysis of various types of structures and foundations, determining structure load criteria, stress analyses, seismic analyses, structural reliability and failure investigations, and the ability to provide structural specifications, instrumentation, on-site inspections and testing to meet our client’s needs.

Environmental Engineering

DiGioia Gray works closely with its clients to provide practical, cost-effective solutions to environmental challenges.  Our diverse team has the experience, training and expertise to meet all of our clients’ environmental needs.

DiGioia Gray combines the above engineering disciplines to perform the following types of projects:

ELECTRIC TRANSMISSION LINES AND SUBSTATIONS

  • Siting Studies
  • Reliability-Based Design of New Lines and Permitting
  • Structural Loading Criteria Studies
  • Upgrading of Existing Lines
  • Geologic Studies, Subsurface Investigations and Assignment of Geotechnical Design Parameters
  • Hazard Mitigation Studies
  • Training Programs
  • Foundation and Structure Design
  • Failure Studies
  • Foundation Design Research
  • Licensing of EPRI’s FAD 4.0 Program

POWER GENERATION FACILITIES

  • Geologic Studies and Subsurface Investigations
  • Subsidence Studies and Remediation
  • Permitting
  • Foundation Design
  • Contract Drawings and Specifications

PROGRAMS FOR THE MANAGEMENT OF COAL COMBUSTION PRODUCTS (CCP’s)

  • Siting, Design and Permitting of Landfills
  • Beneficial Use Projects
  • Contract Drawings and Specifications

COMMERCIAL, INSTITUTIONAL AND INDUSTRIAL FACILITIES

  • Siting Studies
  • Geologic Studies and Subsurface Investigations
  • Subsidence Studies and Remediation
  • Foundation Designs
  • Contract Drawings and Specifications

TRANSPORTATION FACILITIES

  • Geologic Studies and Subsurface Investigations
  • Slope Stabilization, Analysis and Design
  • Foundation Designs
  • Utility Coordination and Relocations
  • Traffic impact Studies
  • Highway Occupancy Permit (HOP)
  • Construction inspection

DAMS

  • Siting Studies and Design
  • Geologic Studies and Subsurface Investigations
  • Contract Drawings and Specifications
  • Rehabilitation Studies
  • Instrumentation Design; Installation and Monitoring
  • Construction Inspection
  • Permitting
  • Decommissioning Services