DIVISION 23 – HEATING, VENTILATING, AND AIR CONDITIONING
DIVISION 23 – HEATING, VENTILATING, AND AIR CONDITIONING
23 00 00 08/10 AIR SUPPLY, DISTRIBUTION, 통풍, AND EXHAUST SYSTEMS
23 01 30.41 08/10 HVAC SYSTEM CLEANING
23 03 00.00 20 08/10 BASIC MECHANICAL MATERIALS AND METHODS
23 05 15 02/14 COMMON PIPING FOR HVAC
23 05 48.00 40 02/11 VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT
23 05 93 08/09 TESTING, ADJUSTING, AND BALANCING FOR HVAC
23 07 00 02/13 THERMAL INSULATION FOR MECHANICAL SYSTEMS
23 08 00.00 10 01/08 COMMISSIONING OF HVAC SYSTEMS
23 08 01.00 20 04/06 TESTING INDUSTRIAL VENTILATION SYSTEMS
23 09 13.34 40 02/11 CONTROL VALVES, SELF-CONTAINED
23 09 23.13 20 08/09 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC
23 09 23 05/11 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS
23 09 33.00 40 08/10 ELECTRIC AND ELECTRONIC CONTROL SYSTEM FOR HVAC
23 09 53.00 20 02/10 SPACE TEMPERATURE CONTROL SYSTEMS
23 11 25 11/08 FACILITY GAS PIPING
23 21 13.00 20 04/06 LOW TEMPERATURE WATER (LTW) HEATING SYSTEM
23 21 13.23 20 07/07 [HIGH][MEDIUM] TEMPERATURE WATER SYSTEM WITHIN BUILDINGS
23 22 13.35 40 02/14 STEAM TRAPS
23 22 23.00 40 02/11 STEAM CONDENSATE PUMPS
23 22 25.00 40 02/11 STEAM VALVES
23 22 26.00 20 02/10 STEAM SYSTEM AND TERMINAL UNITS
23 23 00 10/07 REFRIGERANT PIPING
23 25 00 11/08 CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS
23 31 13.00 40 11/12 METAL DUCTS
23 33 56 02/09 SELF-ACTING BLAST VALVES
23 34 23.00 40 05/14 HVAC POWER VENTILATORS
23 35 00.00 10 02/09 OVERHEAD VEHICLE TAILPIPE[ AND WELDING FUME]EXHAUST REMOVAL SYSTEMS
23 35 19.00 20 02/10 INDUSTRIAL VENTILATION AND EXHAUST
23 36 00.00 40 02/11 AIR TERMINAL UNITS
23 37 13.00 40 05/10 DIFFUSERS, REGISTER, AND GRILLS
23 40 00.00 10 10/06 CHEMICAL, BIOLOGICAL, AND RADIOLOGICAL (CBR)AIR FILTRATION SYSTEM
23 41 13.00 40 05/10 PANEL FILTERS
23 51 43.00 20 02/10 DUST AND GAS COLLECTOR, DRY SCRUBBER AND FABRIC FILTER TYPE
23 51 43.01 20 04/06 MECHANICAL CYCLONE DUST COLLECTOR OF FLUE GAS PARTICULATES
23 51 43.02 20 04/06 ELECTROSTATIC DUST COLLECTOR OF FLUE GAS PARTICULATES
23 51 43.03 20 02/10 FABRIC FILTER DUST COLLECTOR OF FLY ASH PARTICLES IN FLUE GAS
23 52 00 04/08 HEATING BOILERS
23 52 33.01 20 11/08 STEAM HEATING PLANT WATERTUBE (SHOP ASSEMBLED)COAL/OIL OR COAL
23 52 33.02 20 11/08 STEAM HEATING PLANT WATERTUBE (FIELD ERECTED)COAL/OIL OR COAL
23 52 33.03 20 11/08 WATER-TUBE BOILERS, OIL/GAS OR OIL
23 52 43.00 10 04/08 HEAT RECOVERY BOILERS
23 52 43.00 20 07/06 LOW PRESSURE WATER HEATING BOILERS (UNDER800,000 BTU/HR OUTPUT)
23 52 46.00 20 04/06 LOW PRESSURE WATER HEATING BOILERS (OVER 800,000 BTU/HR OUTPUT)
23 52 49.00 20 11/08 STEAM BOILERS AND EQUIPMENT (500,000 -18,000,000 BTU/HR)
23 52 53.00 20 04/06 STEAM BOILERS AND EQUIPMENT (18,000,000 -60,000,000 BTU/HR)
23 54 16.00 10 04/08 HEATING SYSTEM; GAS-FIRED HEATERS
23 54 19 11/08 BUILDING HEATING SYSTEMS, WARM AIR
23 57 10.00 10 01/08 FORCED HOT WATER HEATING SYSTEMS USING WATER AND STEAM HEAT EXCHANGERS
23 63 00.00 10 10/07 COLD STORAGE REFRIGERATION SYSTEMS
23 64 00 08/09 PACKAGED WATER CHILLERS, ABSORPTION TYPE
23 64 10 08/08 WATER CHILLERS, VAPOR COMPRESSION TYPE
23 64 26 08/09 CHILLED, CHILLED-HOT, AND CONDENSER WATER PIPING SYSTEMS
23 65 00 08/08 COOLING TOWERS
23 69 00.00 20 07/06 REFRIGERATION EQUIPMENT FOR COLD STORAGE
23 70 01.00 10 01/08 CENTRAL STEAM-GENERATING SYSTEM, COAL-FIRED
23 70 02.00 10 01/08 CENTRAL STEAM GENERATING SYSTEM – COMBINATION GAS AND OIL FIRED
23 70 03.00 10 01/08 HEATING AND UTILITIES SYSTEMS, CENTRAL STEAM
23 71 19 01/08 THERMAL ENERGY STORAGE SYSTEM: ICE-ON-COIL
23 72 00.00 10 01/08 ENERGY RECOVERY SYSTEMS
23 72 26.00 10 04/08 DESICCANT COOLING SYSTEMS
23 73 13.00 40 05/14 MODULAR INDOOR CENTRAL-STATION AIR-HANDLING UNITS
23 74 33.00 40 02/11 PACKAGED, OUTDOOR, HEATING AND COOLING MAKEUP AIR-CONDITIONERS
23 76 00.00 10 04/08 EVAPORATIVE COOLING SYSTEMS
23 76 00.00 20 07/06 EVAPORATIVE COOLING SYSTEM
23 81 00.00 20 11/09 UNITARY AIR CONDITIONING EQUIPMENT
23 81 23.00 20 02/10 COMPUTER ROOM AIR CONDITIONING UNITS
23 81 47 08/08 WATER-LOOP AND GROUND-LOOP HEAT PUMP SYSTEMS
23 82 00.00 20 11/08 TERMINAL HEATING AND COOLING UNITS
23 82 01.00 10 04/08 WARM AIR HEATING SYSTEMS
23 82 02.00 10 04/08 UNITARY HEATING AND COOLING EQUIPMENT
23 82 16.00 40 05/13 AIR COILS
23 82 19.00 40 05/14 FAN COIL UNITS
23 82 23.00 40 05/14 UNIT VENTILATORS
23 82 43.00 40 08/11 ELECTRIC DUCT HEATERS
23 82 46.00 40 08/11 ELECTRIC UNIT HEATERS
23 83 00.00 20 04/06 ELECTRIC SPACE HEATING EQUIPMENT
23 84 16.00 20 11/08 DESICCANT DEHUMIDIFICATION EQUIPMENT