Project Detail

Tunk Lake 115 kV Substation

Sullivan, ME

Scope of Work

Cianbro performed the above-grade construction of the 115 kV Substation.

Project Details

  • Installed above-grade grounding and conduit
  • Installed, adjusted, and ductored 4 (ea) air-break switches
  • Installed, adjusted, and ductored 6 (ea) breaker disconnect switches
  • Installed 3 (ea) 115 kV Circuit Breakers
  • Installed 18 (ea) 115/34.5 kV LA’s and 7 (ea) CCVT’s
  • Erected and installed a complete 34.5 kV yard
  • Fabricated 1,760 linear feet of 115 kV rigid aluminum compression bus
  • Pulled and terminated yard control cable (3,084 terminations)
  • Fabricated and installed 16 (ea) control panels
  • Fitted-out the control house

Lean, Innovative, and Unique Project Solutions

The project schedule was a key focus for Cianbro, as we worked alongside two other companies who performed the below-grade construction and control house erection. Additionally, a portion of this project was constructed primarily during the harsh winter months.