DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC) 230523.12 BALL VALVES FOR HVAC PIPING 230523.13 BUTTERFLY VALVES FOR HVAC PIPING 230523.14 CHECK VALVES FOR HVAC PIPING 230529 HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT 230553 IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT 230593 TESTING, ADJUSTING, AND BALANCING FOR HVAC 230713 DUCT INSULATION 230719 HVAC PIPING INSULATION 230924 HVAC INSTRUMENTATION AND CONTROLS INSTALLATION 232113 HYDRONIC PIPING 232116 HYDRONIC PIPING SPECIALTIES 233113 METAL DUCTS 233346 FLEXIBLE DUCTS 233600 AIR TERMINAL UNITS DIVISION 26 - ELECTRICAL 260500 COMMON WORK RESULTS FOR ELECTRICAL 260510 ELECTRICAL DEMOLITION 260519 LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260526 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260529 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 260533 RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS 260553 IDENTIFICATION FOR ELECTRICAL SYSTEMS 260580 EQUIPMENT WIRING SYSTEMS DIVISION 27 - COMMUNICATIONS Division 27 COMMUNICATIONS – DESIGN GUIDELINES Division 27 COMMUNICATIONS SPECIFICATIONS
