Project Detail
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Larrabee Road 345/115/12.8 kV Site and Substation Construction

Location:
Lewiston, ME
Completed:
2012

Scope of Work

Cianbro performed all site development and substation construction, including managing all engineering, procurement and construction (civil, mechanical and electrical work) necessary for the EPC contract for a new 15 acre, 345/115/12.8 kV substation, as part of Central Maine Power’s Maine Power Reliability Program (MPRP).

Project Details

  • Stripped 6,719 cubic yards of topsoil
  • Cut 48,456 cubic yards of material
  • Imported 107,184 cubic yards of material
  • Installed 343 foundations
  • Installed conduit and grounding
  • Erected 245 steel structures
  • Constructed a 90 feet by 40 feet control house and installed / outfitted all AC/DC equipment, cable tray, lighting, control cabinets, wiring, and terminations
  • Installed 345 kV yard equipment, including 6 circuit breakers, 15 disconnect switches, CCVT’s, lightning arresters, insulators, reactors, capacitor banks, and other miscellaneous equipment
  • Installed 115 kV yard equipment, including 14 circuit breakers, 42 disconnect switches, CCVT’s, lightning arresters, insulators, and other miscellaneous equipment
  • Fabricated and installed 6,734 linear feet aluminum bus
  • Fabricated and installed 8,300 linear feet of flex taps
  • Pulled and terminated 180,000 linear feet of control and power cable
  • Installed all fiber optic cables

Lean, Innovative, and Unique Project Solutions

Cianbro coordinated all engineering activities and material/equipment procurement necessary to meet all construction milestone dates.