High Voltage Substation Construction - Design, Project Management
The Construction Division is staffed with seasoned field service engineers, technicians, and electricians with Utility, Industrial, and Large Commercial experience. The company is fully outfitted with production and test equipment to meet the varied needs of heavy construction requirements. These divisions play a key role in enhancing Obelisk's Total Systems Responsibility.
Industrial and Utility Applications
Industrial construction services include lump sum and time & material contracts, as well as turnarounds, maintenance and startups. Projects range in size depending on client requirements.
Expertise includes:
  • Complete substation design and installation - 415V to 33 kV
  • Foundation and footing design and installation
  • Steel design and installation
  • LV line - overhead and underground - design and Installation
  • Low and medium voltage controls and distribution
  • Medium and high voltage cable terminations, pulls, and repairs
  • Control rooms and switchgear
  • High-voltage cable installation
Engineering Capabilities

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  • High Voltage Substations - New
  • Substation Expansions
  • Transmission Lines & Upgrades
  • OCB Change out to SF6 / VCB
  • Conventional and GIS
  • Static Var Systems
  • Transformer Upgrades


  • Windmill and Alternative Energy
  • NFPA-70E Arc Flash Studies
  • Transient Stability Studies
  • Power Factor Correction
  • Domestic & International
  • Complete substation design
Substation Construction 33kV - 400kV
  • Addition or full Turn-Key Design, Build,Operate, Maintain
  • Coordination with Local Utility and all Regulatory Agencies
  • Distribution and Transmission Construction - Steel,Wood, Concrete
  • Industrial, Utility, or Commercial Markets
  • Engineering, Procurement, Project Management
  • Civil Work, Concrete, Steel Erection
  • SF6 - GIS, ISO-Phase Bus, Gas Breakers
  • Bus Work - Additions, Repairs, Switch Additions
Complete Capabilities - Your One Stop Shop
  • Simple Breaker Upgrade to a Complete Turn-Key HV Substation
  • We work on all Equipment from the Switchyard thru Transmission, the Substation, and to your Power Distribution Equipment
  • Pole Line Construction, Repair & Maintenance
  • Cable Pulling, Terminations, and Fault Location
Commercial Applications
Commercial Construction services include new facilities and retrofit projects of various size and scope. 
  • Warehousing and distribution
  • Manufacturing
  • Colleges and universities
  • Office and high rise
  • Medical and hospital facilities
  • Medium to large size commercial businesses
Our teams provide the customers with repair, replacement, and installation:
  • Electric Power Systems
  • High Voltage Power Systems
  • Cathodic Protection
  • Lightning Protection Systems
  • Ground Fault and Ground detection
  • Grounding Systems
  • Relay Systems
  • Transformers and Electric Substations
Personal Qualifications
Our Team is composed of seasoned Engineers, Technicians, and Electricians, with hundreds of years of direct combined experience in high voltage electrical construction.