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28 Electronic Safety and Security
28.01.00 Operation and Maintenance of Electronic Safety and Security 28.05.00 Common Work Results for Electronic Safety and Security 28.06.00 Schedules for Electronic Safety and Security 28.08.00 Commissioning of Electronic Safety and Security 28.10.00 Access Control 28.20.00 Video Surveillance 28.30.00 Security Detection, Alarm, and Monitoring 28.40.00 Life Safety 28.50.00 Specialized Systems
