Substations and Transmission Lines

EA’s design experience includes the design of foundations and support structures for new substations and the expansion and modification of existing substations.  Clients have included municipalities, community-owned power authorities, and Rural Electric Associations.  EA’s responsibilities have included geotechnical site investigations; geotechnical and structural design of the foundations and support steel; site grading design; construction drawings and specifications; Stormwater Management Plans for construction; and resident inspection and quality assurance testing during construction.

  • Geotechnical site investigations
  • Geotechnical and structural design of the equipment stand foundations
  • Structural design of steel equipment stands
  • Geotechnical and structural design of transmission line foundations
  • Structural design of transmission line dead end structures
  • Design of oil retention basins/berms for transformers
  • Site grading and drainage plans
  • Storm Water Management Plans (SWMP) for construction
  • Drawings and project specifications for construction
  • Resident inspection and quality assurance testing during construction

Substation & Transmission Line Services:

Engineering & Design

  • Site civil design
  • Structural design
  • Geotechnical design
  • Geologic analyses, geologic hazards
  • Forensic studies, litigation support
  • Feasibility analyses, costing
  • Construction management

Process, Instrumentation, Controls

  • Water Treatment design
  • Instrumentation, controls, and PLC
  • Electrical design, arc flash
  • Mechanical design

Environmental Monitoring & Compliance

  • SPCC and SWPPP plans
  • Stormwater management
  • Health & safety

Construction Material Testing

  • Field engineering
  • Soil, concrete, asphalt testing
  • Quality assurance/quality control
  • Geotechnical laboratory testing

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