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Coronado Bldg. 378 & 460

This project involves converting the existing deluge fire sprinkler systems located above the high-bay
hangar areas of buildings 378, and 460 to wet-pipe systems in the Naval Air Station North Island Special
Area at Naval Base Coronado.
The project includes removing the Deluge system in its entirety, including but not limited to valves and
associated trim piping, and replaces with standard check valves and replacing/modifying existing branch
lines and installs new sprinkler heads; remove the existing overhead heat detector circuits and the manual
release stations.
The Project also includes for building 378, removing and replacing the existing Fire Alarm system with a
new addressable integrated fire alarm and mass notification system capable of notifying building
occupants. For Building 460 the project includes modifying the existing Fire Alarm system to provide
complete monitoring of the modified fire sprinkler systems.
Electrical utility work includes modification of existing interior electrical system to accommodate the Fire
Alarm system and associated Wet Pipe system that need electrical connections.