Attachment_3_Drawings_and_Document_FCWDBKR802S1_5.pdf

The document is a detailed electrical wiring diagram for a 138 kV breaker replacement project for Gainesville Regional Utilities (GRU) in Florida. The multi-page technical drawing set provides comprehensive schematic details for electrical switchgear, including wiring configurations, control panel layouts, terminal connections, and equipment interconnections. The diagrams cover multiple panels including switch panels, auxiliary panels, and control panels, with intricate circuit routing and connection specifications.

The wiring diagram supports GRU's broader initiative to replace existing 138 kV oil circuit breakers (OCBs) with new 138 kV SF6 breakers, with plans to replace 4-6 breakers annually. The project scope encompasses engineering design, procurement of materials (with GRU providing the Siemens SF6 breakers), foundation modifications, conduit adjustments, control cable replacement, removal of existing oil circuit breakers, and installation of new SF6 breakers. The technical drawings provide precise technical specifications for the electrical infrastructure modifications, including detailed views of terminal connections, cabinet layouts, and wiring configurations to ensure precise implementation of the breaker replacement project.