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Below is a listing of the Revisions and Changes made to UFGS Sections for each quarterly release.

To view a list for a specific UFGS Release, select the UFGS release date from the 'Release' drop-down and click 'Apply'.

To view a list of all the revisions and changes made to a specific UFGS Section, select 'Any' from the "Release' drop down, type the Section number into the Search bar and select the Section to view, then click 'Apply'.

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To view the complete detailed history of all the revisions and changes made to a UFGS Section, click on the Section title.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA UFGS Section Actionsort descending Change # Nature of Change or Revision
Jun-2006 S UFGS 23 00 00.00 40 Heating, Ventilating, and Air Conditioning R Title changed from GENERAL MECHANICAL PROVISIONS
Jun-2006 S UFGS 23 05 00.00 40 Common Work Results for HVAC R Title changed from BASIC MECHANICAL MATERIALS AND METHODS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 05 48.00 40 Vibration and Seismic Controls for HVAC Piping and Equipment R Title changed from VIBRATION ISOLATION FOR AIR CONDITIONING EQUIPMENT; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 05 93.00 40 Testing, Adjusting, and Balancing for HVAC Systems R Title changed from TESTING, ADJUSTING AND BALANCING; Section References (SRF) updated
Jul-2006 A UFGS 23 07 00 Thermal Insulation for Mechanical Systems R Various minor revisions
Jun-2006 S UFGS 23 07 13.00 40 Duct Insulation R Revised Banner; Section References (SRF) updated
Jun-2006 S UFGS 23 09 13.33 40 Control Valves R Title changed from VALVES; Section References (SRF) updated
Jun-2006 S UFGS 23 09 13.34 40 Control Valves, Self-Contained R Title changed from SELF-CONTAINED CONTROL AND RELIEF VALVES; Section References (SRF) updated
Jun-2006 S UFGS 23 09 33.00 40 Electric and Electronic Control System for HVAC R Title changed from CONTROL SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 09 33.13 40 Electric Control System for HVAC R Title changed from ELECTRIC CONTROL SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 11 23.00 40 Facility Natural-Gas Piping R Title changed from NATURAL GAS SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 20 00.00 40 HVAC Piping and Pumps R Title changed from CHILLED, CHILLED-HOT, AND CONDENSER WATER PIPING SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 22 00.00 40 Steam and Condensate Piping and Pumps R Title changed from CONDENSATE PUMPS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 22 13.13 40 Steam and Condensate Heating Piping R Title changed from FERROUS PIPE AND FITTINGS; Section References (SRF) updated
Jun-2006 S UFGS 23 22 13.35 40 Steam Traps R Section revised.
Jun-2006 S UFGS 23 23 16.00 40 Refrigerant Piping Specialties R Title changed from REFRIGERATION PIPING AND SPECIALTIES; Section References (SRF) updated
Jul-2006 N UFGS 23 30 13.00 20 Ductwork and Ductwork Accessories R Added sustainable design requirements
Jun-2006 S UFGS 23 31 11.11 40 Ducts, Low Pressure R Title changed from LOW PRESSURE DUCTWORK; Section References (SRF) updated
Jun-2006 S UFGS 23 31 11.12 40 Ducts, Medium/High Pressure R Title changed from MEDIUM/HIGH PRESSURE DUCTWORK; Section References (SRF) updated
Jun-2006 S UFGS 23 31 13.20 40 Welding Metal Ductwork R Title changed from WELDING MECHANICAL
Jul-2006 N UFGS 23 34 16.00 20 Air Handling Units R Added sustainable design requirements
Jun-2006 S UFGS 23 34 23.00 40 HVAC Power Ventilators R Title changed from POWER VENTILATORS; Reference and Section References (SRF) updated
Jul-2006 N UFGS 23 35 19.00 20 Industrial Ventilation and Exhaust R Added sustainable design requirements
Jun-2006 S UFGS 23 37 13.00 40 Diffusers, Registers, and Grills R Title changed from DIFFUSERS; Section References (SRF) updated
Jun-2006 S UFGS 23 37 23.00 40 HVAC Gravity Ventilators R Title changed from GRAVITY VENTILATORS; Section References (SRF) updated
Jun-2006 S UFGS 23 41 13.00 40 Panel Filters R Title changed from FILTERS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 52 00.00 40 Heating Boilers R Title changed from BOILERS; Section References (SRF) updated
Jul-2006 N UFGS 23 52 33.03 20 Water-Tube Boilers, Oil/Gas or Oil R Section revised.
Jul-2006 N UFGS 23 52 43.00 20 Low Pressure Water Heating Boilers (Under 800,000 BTU/HR Output) R Added sustainable design requirements
Jun-2006 S UFGS 23 55 13.00 40 Fuel-Fired Duct Heaters R Title changed from DUCT HEATERS; Section References (SRF) updated
Jun-2006 S UFGS 23 61 00.00 40 Refrigerant Compressors R Title changed from REFRIGERATION COMPRESSORS; Reference and Section References (SRF) updated
Jul-2006 N UFGS 23 64 26 Chilled, Chilled-Hot, and Condenser Water Piping Systems R Added NASA requirements
Jul-2006 N UFGS 23 66 00.00 20 Central Refrigeration Equipment for Air Conditioning R Added sustainable design requirements
Jul-2006 N UFGS 23 69 00.00 20 Refrigeration Equipment for Cold Storage R Added sustainable design requirements
Jun-2006 S UFGS 23 73 00.00 40 Indoor Central-Station Air-Handling Units R Title changed from AIR HANDLING; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 73 33.00 40 Indoor Indirect Fuel-Fired Heating and Ventilating Units R Title changed from HEATING/VENTILATION/AIR CONDITIONING SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 74 33.00 40 Small HVAC Units, Cooling-Only, Recirculating, Split and Unitary for Window and Floor Mounting R Title changed from PACKAGED AIR-CONDITIONING UNITS; Reference and Section References (SRF) updated
Jul-2006 N UFGS 23 76 00.00 20 Evaporative Cooling System R Added sustainable design requirements
Jul-2006 N UFGS 23 81 00.00 20 Unitary Air Conditioning Equipment R Added sustainable design requirements
Jul-2006 N UFGS 23 81 23.00 20 Computer Room Air Conditioning Units R Section revised.
Jun-2006 S UFGS 23 81 23.00 40 Computer-Room Air-Conditioners R Title changed from COMPUTER ROOM AIR CONDITIONING UNITS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 81 43.00 40 Air-Source Unitary Heat Pumps R Title changed from HEAT PUMPS; Section References (SRF) updated
Jul-2006 N UFGS 23 81 46.00 20 Water Source Heat Pump Systems R Added sustainable design requirements
Jun-2006 S UFGS 23 82 16.00 40 Air Coils R Section References (SRF) updated
Jun-2006 S UFGS 23 82 19.00 40 Fan Coil Units R Title changed from FAN-COIL UNITS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 23 82 23.00 40 Unit Ventilators R Title changed from UNIT HEATERS AND VENTILATORS; Reference and Section References (SRF) updated
Jul-2006 N UFGS 26 00 00.00 20 Basic Electrical Materials and Methods R Section revised.
Jun-2006 S UFGS 26 00 00.00 40 Electrical R Title changed from GENERAL ELECTRICAL PROVISIONS; Reference and Section References (SRF) updated; Added Subpart 2.6 ARCH FLASH LABEL
Jun-2006 S UFGS 26 05 00.00 40 Common Work Results for Electrical R Title changed from BASIC ELECTRICAL MATERIALS AND METHODS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 05 13.00 10 Medium-Voltage Cables R Title changed from MEDIUM VOLTAGE CABLE; Section References (SRF) updated
Jun-2006 S UFGS 26 05 73.00 40 Overcurrent Protective Devices R Title changed from OVERCURRENT PROTECTIVE DEVICES; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 09 23.00 40 Lighting Control Devices R Title changed from PHOTO CONTROL DEVICES; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 11 13.00 40 Primary Unit Substations R Title changed from PRIMARY UNIT SUBSTATION; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 11 16.00 40 Secondary Unit Substations R Title changed from SECONDARY UNIT SUBSTATION; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 12 00.00 40 Medium-Voltage Transformers R Title changed from DISTRIBUTION TRANSFORMERS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 18 23.00 40 Medium-Voltage Surge Arresters R Title changed from SURGE ARRESTERS; Section References (SRF) updated
Jun-2006 S UFGS 26 18 39.00 40 Medium-Voltage Controllers R Title changed from MOTORS; Reference and Section References (SRF) updated
Jul-2006 N UFGS 26 23 00 Low Voltage Switchgear R Reference Update
Jun-2006 S UFGS 26 24 16.00 40 Panelboards R Section References (SRF) updated
Jun-2006 S UFGS 26 24 19.00 40 Motor-Control Centers R Title changed from MOTOR CONTROL; Section References (SRF) updated
Jun-2006 S UFGS 26 26 00.00 40 Power Distribution Units R Title changed from MEDIUM VOLTAGE OVERHEAD POWER DISTRIBUTION; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 27 26.00 40 Wiring Devices R Title changed from STANDARD WIRING SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 28 16.00 40 Enclosed Switches and Circuit Breakers R Title changed from SWITCHES; Section References (SRF) updated
Jun-2006 S UFGS 26 35 33.00 40 Power Factor Correction Equipment R Title changed from MEDIUM VOLTAGE POWER FACTOR CORRECTION; Section References (SRF) updated
Jun-2006 S UFGS 26 41 00.00 40 Lightning Protection System R Title changed from LIGHTNING PROTECTION SYSTEMS; Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 42 19.00 40 Cathodic Protection, Impressed Current R Title changed from CATHODIC PROTECTION SYSTEM (IMPRESSED CURRENT); Section References (SRF) updated
Jul-2006 N UFGS 26 51 00 Interior Lighting R Added sustainable design requirements
Jun-2006 S UFGS 26 51 13.08 40 Incandescent Lighting R Section References (SRF) updated
Jun-2006 S UFGS 26 51 13.09 40 Fluorescent Luminaries R Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 52 00.00 40 Emergency Lighting R Section References (SRF) updated
Jun-2006 S UFGS 26 53 00.00 40 Exit Signs R Title changed from EXIT LIGHTING; Section References (SRF) updated
Jun-2006 S UFGS 26 54 00.00 40 Classified, Special Purpose, Exterior Lighting R Title changed from HIGH INTENSITY DISCHARGE (HID) LUMINAIRES; Reference and Section References (SRF) updated
Jul-2006 N UFGS 26 56 00 Exterior Lighting R Added sustainable design requirements
Jun-2006 S UFGS 26 56 19.00 40 Roadway Lighting R Reference and Section References (SRF) updated
Jun-2006 S UFGS 26 56 36.00 40 Flood Lighting R Reference and Section References (SRF) updated
Jun-2006 S UFGS 27 05 28.36 40 Cable Trays for Communications Systems R Title changed from CABLE TRAYS; Section References (SRF) updated
Jun-2006 S UFGS 28 05 26.00 40 Grounding and Bonding for Electrical Systems R Title changed from SECONDARY GROUNDING; Section References (SRF) updated
Jun-2006 S UFGS 28 31 53.00 40 Fire Alarm Initiating Devices R Title changed from FIRE-ALARM SYSTEMS; Section References (SRF) updated
Jun-2006 S UFGS 28 33 00.00 40 Fuel-Gas Detection and Alarm R Title changed from GAS DETECTION SYSTEMS; Reference and Section References (SRF) updated
Jul-2006 A UFGS 31 00 00 Earthwork R Added NASA requirements
Jul-2006 A UFGS 31 32 11 Soil Surface Erosion Control R Added sustainable design requirements
Jun-2006 S UFGS 31 62 19.00 40 Timber Piles R Title changed from WOOD PILES; Section References (SRF) updated
Jul-2006 N UFGS 32 05 33 Landscape Establishment R Added sustainable design requirements
Jul-2006 N UFGS 32 10 00 [Pervious] Bituminous Concrete Pavement R Title changed from BITUMINOUS CONCRETE PAVEMENT; Added sustainable design requirements
Jul-2006 N UFGS 32 11 16.16 [Base Course for Rigid] [and Subbase Course for Flexible] [Subbase Course for Pervious] Paving R Title changed from [BASE COURSE FOR RIGID] [AND SUBBASE COURSE FOR FLEXIBLE] PAVING; Added sustainable design requirements
Jul-2006 N UFGS 32 11 24 Graded Crushed Aggregate Base Course for [Pervious] [Flexible] Pavement R Title changed from GRADED CRUSHED AGGREGATE BASE COURSE FOR FLEXIBLE PAVEMENT; Added sustainable design requirements
Jul-2006 A UFGS 32 12 10 Bituminous Tack and Prime Coats R Added sustainable design requirements
Jul-2006 A UFGS 32 12 15 Hot-Mix Asphalt (HMA) for Airfields R Various minor revisions
Jul-2006 A UFGS 32 13 11 Concrete Pavement for Airfields and Other Heavy-Duty Pavements R Various revisions
Jul-2006 N UFGS 32 13 13.06 Portland Cement Concrete Pavement for Roads and Site Facilities R Title changed from PORTLAND CEMENT CONCRETE PAVEMENT FOR ROADS AND SITE FACILITIES; Added sustainable design requirements
Jul-2006 N UFGS 32 31 13.00 20 Chain Link Fences and Gates R Removed Y2K warranty requirements.
Jul-2006 A UFGS 32 84 23 Underground Sprinklers R Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction
Jul-2006 N UFGS 32 84 24 Irrigation Sprinkler Systems R Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction
Jul-2006 N UFGS 32 93 00 Exterior Plants R Added sustainable design requirements
Jul-2006 N UFGS 32 96 00 Transplanting Exterior Plants R Added sustainable design requirements
Jul-2006 N UFGS 33 11 00 Water Utility Distribution Piping R Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction
Jun-2006 S UFGS 33 16 13.13 40 Steel Aboveground Water Utility Storage Tanks R Title changed from ELEVATED STEEL WATER TANK; Reference and Section References (SRF) updated
Jul-2006 A UFGS 33 30 00 Sanitary Sewerage R Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction
Jun-2006 S UFGS 33 32 13.13 40 Packaged Sewage Lift Stations, Wet Well Type R Title changed from PACKAGED LIFT STATIONS; Reference and Section References (SRF) updated
Jul-2006 A UFGS 33 34 00 Force Mains and Inverted Siphons; Sewer R Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction

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