Inactive
Notice ID:W912BV24S0002
The work includes Replace the three existing 15kV switchgear lineups for the generator breakers and station service transformer feeder breakers. • Removal of existing 500 kVA, 13.8 kV/480V station ser...
The work includes Replace the three existing 15kV switchgear lineups for the generator breakers and station service transformer feeder breakers. • Removal of existing 500 kVA, 13.8 kV/480V station service transformer • Removal of existing 15 kV switchgear and breakers located beneath control room • Removal of 480V station service switchgear in control room • Removal of the existing 15kV cables to the switchyard • Removal of existing potheads for the 15kV cable transition to switchyard bus • Removal of the existing asbestos cable trays containing 15kV cables in cable tunnel • Installation of new 15kV cables to the switchyard • Installation of new potheads for the 15kV cable transition to switchyard bus • Installation of new cable trays containing the new 15kV cables in cable tunnel • Installation of front accessible double-ended 480V switchgear beneath control room with feeder circuit breakers • Installation of 15kV switchgear with new vacuum circuit breakers and redundant 500 kVA 13.8kV/480V, high-resistance grounded wye station service transformers • Reconfiguration of project diesel generator to wye-grounded with high-resistance grounding resistor. • New control and annunciation wiring for new 480V and 15kV switchgear where existing cables are not reused. • Modifications to protective relay settings and new protection relays for the new station service feeders. • Automatic transfer functionality for the 480V switchgear main & tie breakers, along with local arc flash mitigation switches. • Replacement and relocation of existing Lighting Transformer