: Firestopping requirements for penetrations and smoke ratings for building materials. Book 2: Fire Detection and Alarm System (FDAS)

The code is based on the National Electrical Code (NEC) of the United States (NFPA 70) but is heavily customized to Philippine conditions: tropical climate, specific voltage levels (230V/400V, 60Hz), local construction practices, and disaster resilience (typhoons, earthquakes).