Scope of Work
Cianbro constructed a 345 kV transmission line for the Southern Loop project including installation of a new 345 kV transmission line and relocation of existing 345 kV and 115 kV interconnection lines.  The project totaled 53 miles and included direct imbedded wood H-frame structures, steel mono-pole structures on anchor bolt foundations, twin bundled 954 ACSR conductor and two OPGW static lines.


Project Details
Cianbro performed the following construction services:

Vernon – Coolidge Line 360:

• Constructed a new 50.9 mile 345 kV wood H-frame transmission line paralleling the existing 345 kV transmission line

Newfane Loop:

• Constructed a new 2 mile 345 kV wood H-frame transmission line “loop”

Vernon – Coolidge Line 340:

• Modified the existing 345 kV interconnect line 

Vermont Yankee Nuclear Facility:

• Constructed new 345 kV and 115 kV structures within the Vermont Yankee Nuclear Facility providing interconnections between the Vernon Substation and the existing Vermont Yankee substation 
• Removed the existing lattice tower structures within the Vermont Yankee Nuclear Facility

Vernon Substation:

• Tied the existing interconnect lines into the Vernon Substation