Date View CCR
UFGS 22 66 53.00 40 Laboratory Chemical-Waste and Vent Piping  ZIP,  ZIP
UFGS 22 66 83.00 40 Chemical-Waste Tanks
UFGS 23 00 00 Air Supply, Distribution, Ventilation, and Exhaust Systems
UFGS 23 00 00.00 40 Heating, Ventilating, and Air Conditioning
UFGS 23 01 30.41 HVAC System Cleaning  ZIP,  ZIP CCR  
UFGS 23 03 00.00 20 Basic Mechanical Materials and Methods  ZIP,  ZIP CCR  
UFGS 23 05 00.00 40 Common Work Results for HVAC
UFGS 23 05 15 Common Piping for HVAC  ZIP,  ZIP CCR  
UFGS 23 05 48 Vibration and Seismic Controls for HVAC Piping and Equipment
UFGS 23 05 48.00 40 Vibration and Seismic Controls for HVAC Piping and Equipment  ZIP,  ZIP
UFGS 23 05 48.19 Seismic Bracing for HVAC  ZIP,  ZIP CCR  
UFGS 23 05 93 Testing, Adjusting, and Balancing for HVAC  ZIP,  ZIP CCR  
UFGS 23 05 93.00 10 Testing, Adjusting, and Balancing of HVAC Systems
UFGS 23 05 93.00 40 Testing, Adjusting, and Balancing for HVAC Systems
UFGS 23 07 00 Thermal Insulation for Mechanical Systems  ZIP,  ZIP CCR  
UFGS 23 07 13.00 40 Duct Insulation
UFGS 23 08 00 Commissioning of Mechanical[ and Plumbing] Systems  ZIP,  ZIP CCR  
UFGS 23 08 00.00 10 Commissioning of HVAC Systems
UFGS 23 08 00.00 20 Commissioning of Mechanical[ and Plumbing] Systems
UFGS 23 08 01.00 20 Testing Industrial Ventilation Systems  ZIP,  ZIP CCR  
UFGS 23 09 00 Instrumentation and Control for HVAC  ZIP,  ZIP CCR  
UFGS 23 09 13 Instrumentation and Control Devices for HVAC  ZIP,  ZIP CCR  
UFGS 23 09 13.33 40 Control Valves
UFGS 23 09 13.34 40 Control Valves, Self-Contained  ZIP,  ZIP
UFGS 23 09 13.34 Control Valves, Self-Contained
UFGS 23 09 23 LonWorks Direct Digital Control for HVAC and Other Building Control Systems
UFGS 23 09 23.01 Lonworks Direct Digital Control for HVAC and Other Building Control Systems  ZIP,  ZIP CCR  
UFGS 23 09 23.02 BACnet Direct Digital Control for HVAC and Other Building Control Systems  ZIP,  ZIP CCR  
UFGS 23 09 23.13 20 BACnet Direct Digital Control Systems for HVAC
UFGS 23 09 33.00 40 Electric and Electronic Control System for HVAC  ZIP,  ZIP
UFGS 23 09 33.13 40 Electric Control System for HVAC
UFGS 23 09 53.00 20 Space Temperature Control Systems  ZIP,  ZIP CCR  
UFGS 23 09 54.00 20 Direct Digital Control Systems
UFGS 23 09 93 Sequences of Operation for HVAC Control  ZIP,  ZIP CCR  
UFGS 23 10 00 Fuel Storage Systems
UFGS 23 11 13.00 20 Fuel Oil Piping
UFGS 23 11 16.00 20 Fiberglass Reinforced Plastic (FRP) Piping (for Petroleum)
UFGS 23 11 20 Facility Gas Piping  ZIP,  ZIP CCR  
UFGS 23 11 23.00 10 Gas Piping System
UFGS 23 11 23.00 40 Facility Natural-Gas Piping
UFGS 23 11 25 Facility Gas Piping
UFGS 23 12 16.00 20 Gasoline / Diesel Dispensing Systems
UFGS 23 14 00 Commissioning of Fuel Facility Systems
UFGS 23 20 00.00 40 HVAC Piping and Pumps
UFGS 23 21 13.00 20 Low Temperature Water (LTW) Heating System  ZIP,  ZIP CCR  
UFGS 23 21 13.23 20 [High] [Medium] Temperature Water System Within Buildings  ZIP,  ZIP CCR  
UFGS 23 21 23 Hydronic Pumps  ZIP,  ZIP CCR  
UFGS 23 22 00.00 40 Steam and Condensate Piping and Pumps
UFGS 23 22 13.13 40 Steam and Condensate Heating Piping
UFGS 23 22 13.35 40 Steam Traps  ZIP,  ZIP
UFGS 23 22 13.35 Steam Traps
UFGS 23 22 23 Steam Condensate Pumps
UFGS 23 22 23.00 40 Steam Condensate Pumps  ZIP,  ZIP
UFGS 23 22 25 Steam Valves
UFGS 23 22 25.00 40 Steam Valves  ZIP,  ZIP
UFGS 23 22 26.00 20 Steam System and Terminal Units  ZIP,  ZIP CCR  
UFGS 23 23 00 Refrigerant Piping  ZIP,  ZIP CCR  
UFGS 23 23 16.00 40 Refrigerant Piping Specialties
UFGS 23 25 00 Chemical Treatment of Water for Mechanical Systems  ZIP,  ZIP CCR  
UFGS 23 30 00 HVAC Air Distribution  ZIP,  ZIP CCR  
UFGS 23 30 13.00 20 Ductwork and Ductwork Accessories
UFGS 23 31 11.11 40 Ducts, Low Pressure
UFGS 23 31 11.12 40 Ducts, Medium/High Pressure
UFGS 23 31 13 Metal Ducts
UFGS 23 31 13.00 40 Metal Ducts  ZIP,  ZIP
UFGS 23 31 13.20 40 Welding Metal Ductwork
UFGS 23 33 56 Self-Acting Blast Valves
UFGS 23 34 16.00 20 Air Handling Units
UFGS 23 34 23 HVAC Power Ventilators
UFGS 23 34 23.00 40 HVAC Power Ventilators  ZIP,  ZIP
UFGS 23 35 00.00 10 Overhead Vehicle Tailpipe [and Welding Fume] Exhaust Removal System(s)
UFGS 23 35 16 Mechanical Engine[ and Welding Fume] Exhaust Systems  ZIP,  ZIP CCR  
UFGS 23 35 19.00 20 Industrial Ventilation and Exhaust  ZIP,  ZIP CCR  
UFGS 23 36 00 Air Terminal Units
UFGS 23 36 00.00 40 Air Terminal Units  ZIP,  ZIP
UFGS 23 37 13 Diffusers, Registers, and Grills
UFGS 23 37 13.00 40 Diffusers, Registers, and Grills  ZIP,  ZIP
UFGS 23 37 23.00 40 HVAC Gravity Ventilators
UFGS 23 40 00.00 10 Chemical, Biological, and Radiological (CBR) Air Filtration System
UFGS 23 41 13 Panel Filters
UFGS 23 41 13.00 40 Panel Filters  ZIP,  ZIP
UFGS 23 44 00.00 10 Chemical, Biological, and Radiological (CBR) Air Filtration System  ZIP,  ZIP CCR  
UFGS 23 50 52.00 10 Central High Temperature Water (HTW) Generating Plant and Auxiliaries  ZIP,  ZIP CCR  
UFGS 23 51 43.00 20 Dust and Gas Collector, Dry Scrubber and Fabric Filter Type  ZIP,  ZIP CCR  
UFGS 23 51 43.01 20 Mechanical Cyclone Dust Collector of Flue Gas Particulates  ZIP,  ZIP CCR  
UFGS 23 51 43.02 20 Electrostatic Dust Collector of Flue Gas Particulates  ZIP,  ZIP CCR  
UFGS 23 51 43.03 20 Fabric Filter Dust Collector of Fly Ash Particles in Flue Gas  ZIP,  ZIP CCR  
UFGS 23 52 00 Heating Boilers  ZIP,  ZIP CCR  
UFGS 23 52 00.00 10 Water and Steam Heating; Oil, Gas or Both; Up to 20 MBTUH
UFGS 23 52 00.00 40 Heating Boilers
UFGS 23 52 30.00 10 Heat Recovery Boilers  ZIP,  ZIP CCR  
UFGS 23 52 30.01 10 Central Coal-Fired Steam-Generating System  ZIP,  ZIP CCR  
UFGS 23 52 30.02 10 Central Steam Generating System - Combination Gas and Oil Fired  ZIP,  ZIP CCR  
UFGS 23 52 33.01 20 Steam Heating Plant Watertube (Shop Assembled) Coal/Oil or Coal  ZIP,  ZIP CCR  
UFGS 23 52 33.02 20 Steam Heating Plant Watertube (Field Erected) Coal/Oil or Coal  ZIP,  ZIP CCR  
UFGS 23 52 33.03 20 Water-Tube Boilers, Oil/Gas or Oil  ZIP,  ZIP CCR  
UFGS 23 52 43.00 10 Heat Recovery Boilers
UFGS 23 52 43.00 20 Low Pressure Water Heating Boilers (Under 800,000 BTU/HR Output)  ZIP,  ZIP CCR  
UFGS 23 52 46.00 20 Low Pressure Water Heating Boilers (Over 800,000 BTU/HR Output)  ZIP,  ZIP CCR  
UFGS 23 52 49.00 20 Steam Boilers and Equipment (500,000 - 18,000,000 BTU/HR)  ZIP,  ZIP CCR  
UFGS 23 52 53.00 20 Steam Boilers and Equipment (18,000,000 - 60,000,000 BTU/HR)  ZIP,  ZIP CCR  
UFGS 23 54 16.00 10 Heating System; Gas-Fired Heaters
UFGS 23 54 19 Building Heating Systems, Warm Air  ZIP,  ZIP CCR  
UFGS 23 55 13.00 40 Fuel-Fired Duct Heaters
UFGS 23 57 10.00 10 Forced Hot Water Heating Systems Using Water and Steam Heat Exchangers  ZIP,  ZIP CCR  
UFGS 23 58 00.00 10 Central Steam Heating and Utilities Systems  ZIP,  ZIP CCR  
UFGS 23 61 00.00 40 Refrigerant Compressors
UFGS 23 63 00.00 10 Cold Storage Refrigeration Systems
UFGS 23 63 00.00 Cold Storage Refrigeration Systems  ZIP,  ZIP CCR  
UFGS 23 64 00 Packaged Water Chillers, Absorption Type
UFGS 23 64 00.00 10 Liquid Chillers
UFGS 23 64 10 Water Chillers, Vapor Compression Type  ZIP,  ZIP CCR  
UFGS 23 64 26 Chilled, Chilled-Hot, and Condenser Water Piping Systems  ZIP,  ZIP CCR  
UFGS 23 65 00 Cooling Towers and Remote Evaporatively-Cooled Condensers  ZIP,  ZIP CCR  
UFGS 23 65 00.00 10 Cooling Tower
UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning
UFGS 23 69 00.00 20 Refrigeration Equipment for Cold Storage  ZIP,  ZIP CCR  
UFGS 23 70 01.00 10 Central Steam-Generating System, Coal-Fired
UFGS 23 70 02.00 10 Central Steam Generating System - Combination Gas and Oil Fired
UFGS 23 70 03.00 10 Heating and Utilities Systems, Central Steam
UFGS 23 71 19 Thermal Energy Storage System: Ice-On-Coil  ZIP,  ZIP CCR  
UFGS 23 72 00 Energy Recovery Systems  ZIP,  ZIP CCR  
UFGS 23 72 26.00 10 Desiccant Cooling Systems
UFGS 23 73 00.00 40 Indoor Central-Station Air-Handling Units
UFGS 23 73 00.13 40 Modular Indoor Central-Station Air-Handling Units
UFGS 23 73 13 Modular Indoor Central-Station Air-Handling Units
UFGS 23 73 13.00 40 Modular Indoor Central-Station Air-Handling Units  ZIP,  ZIP
UFGS 23 73 33.00 40 Indoor Indirect Fuel-Fired Heating and Ventilating Units
UFGS 23 74 33 Dedicated Outdoor Air Systems (DOAS)  ZIP,  ZIP CCR  
UFGS 23 74 33.00 40 Small HVAC Units, Cooling-Only, Recirculating, Split and Unitary for Window and Floor Mounting  ZIP,  ZIP
UFGS 23 75 15 Custom-Packaged, Aircraft Pre-Conditioned Air Units  ZIP,  ZIP CCR  
UFGS 23 76 00 Evaporative Cooling Systems  ZIP,  ZIP CCR  
UFGS 23 76 00.00 10 Evaporative Cooling Systems
UFGS 23 76 00.00 20 Evaporative Cooling System
UFGS 23 80 20.00 10 Gas-Fired Heating Equipment  ZIP,  ZIP CCR  
UFGS 23 81 00 Decentralized Unitary HVAC Equipment  ZIP,  ZIP CCR  
UFGS 23 81 00.00 20 Unitary Air Conditioning Equipment
UFGS 23 81 23 Computer Room Air Conditioning Units  ZIP,  ZIP CCR  
UFGS 23 81 23.00 20 Computer Room Air Conditioning Units
UFGS 23 81 23.00 40 Computer-Room Air-Conditioners
UFGS 23 81 29 Variable Refrigerant Flow HVAC Systems  ZIP,  ZIP CCR  
UFGS 23 81 43.00 40 Air-Source Unitary Heat Pumps
UFGS 23 81 46.00 20 Water Source Heat Pump Systems
UFGS 23 81 47 Water-Loop and Ground-Loop Heat Pump Systems  ZIP,  ZIP CCR  
UFGS 23 82 00.00 20 Terminal Heating Units  ZIP,  ZIP CCR  
UFGS 23 82 01.00 10 Warm Air Heating Systems
UFGS 23 82 02.00 10 Unitary Heating and Cooling Equipment
UFGS 23 82 16 Air Coils
UFGS 23 82 16.00 40 Air Coils  ZIP,  ZIP
UFGS 23 82 19 Fan Coil Units