Specifications include, but are not limited to: Providing all labor and material for installation and connection of an upgraded M-Line Tunnel Lighting System. The M-Line Tunnel extends from the San Francisco Transition Structure, passing through Embarcadero, Montgomery St., Powell St., Civic Center, 16th St. Mission, 24th St. Mission, Glen Park, and Balboa Park, for a total of eight passenger stations and corresponding interlinking tunnels as indicated in the Contract Drawings and Documents. The Work includes demolition of existing fluorescent fixtures, replacement and addition of new LED fixtures for tunnel walkway lights, cross passage yellow lights, emergency trip station blue lights, crossover area lights and fire hose valve white lights. Provide replacement of lighting circuit wiring with new wiring to be run in existing conduits and new electrical panels. Provide replacement of damaged conduit sections and/or supports where required. Removing all unused and/or abandoned lighting system, including but not limited to, conduit and conduit support system, wiring system, and old fixtures in M-Line Tunnel. Provide testing and commissioning of the M-Line Tunnel Lighting Upgrade.