Switchgear at Jones Bluff Powerhouse

The scope of work consists of: a. Remove existing 15KV generator switchgear lineups for units 1-2 and station service breaker no. 1, and for units 3-4 and station service breaker no. 2. b. Install two government furnished new 15KV generator switchgear lineups. One containing generator breakers for units 1 and 2 (breakers 710 & 720) and station service breaker no. 1 (breaker 812), and the second containing generator breakers for units 3 and 4 (breakers 730 & 740) and station service no. 2 (breaker 822). c. Replace all the cables from removed equipment and install new conductors to new equipment. d. Replace, as necessary, the existing non-segregated bus from the generators and GSU in order to connect to the new 15KV switchgear, to include all connectors and fasteners. e. Coordinate with the switchgear manufacturer to Design and Fabricate,as necessary, and Install balance of the plenum system for each of the new switchgear to vent the exhaust to a safe area. f. Replace the existing surge arrestors and capacitors in the new government furnished equipment with new surge arrestors and capacitors. g. Perform necessary commissioning and testing. h. Remove a section of the synchronous condensing pipe and re-install the pipe with flanges. i. Remove the switchgear room door and associated hardware and frame to facilitate installation of the switchgear. Contractor shall retain doors for re-use for an in-kind restoration of the entryways to original condition. The contractor shall be responsible for field verifying existing drawings and creating as-built drawings.

Division 26 -

Electrical, Medium-Voltage Switchgear, Low-Voltage Switchgear.