New River completes complex Bath County GIS Project
06/29/2007
This project was one of the most complex and challenging to be undertaken by New River Electrical Corporation’s Substation Division. The location was an existing 500kV GIS substation located on the tenth story roof of a pump storage hydro station. The compact site was only 40ft wide by 125ft long. The assignment was to completely replace five 500kV GIS breakers and all their associated GIS ring bus, PT’s, CT’s, GOAB switches, ground switches, control wiring, control cabinets, and support steel. All of this was to be accomplished during sequential bus section outages with no generation outage.
The schedule mandated working two shifts with many complex crane lifts and rigging maneuvers in order to place the new equipment within the close confines of the work site, all the while maintaining the required close 4mm alignment tolerances necessitated by the GIS equipment specifications. The project was successfully completed on time and under budget through the fall of 2005 and spring of 2006.
