Revisions

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Added      Deleted      Revised
Number & TitleRevision Explanation(s)
Added icon00 54 27 Escrow AgreementsNew Listing
Added icon00 62 46 Governmental FormsNew Listing
Added icon01 56 21 Temporary Lightning ProtectionNew Listing
Added icon01 79 13 Demonstration TestingNew Listing
Added icon01 79 23 Instruction of Operation and Maintenance PersonnelNew Listing
Added icon02 21 19 Utilities SurveysNew Listing
Added icon04 73 23 Lightweight Synthetic StoneNew Listing
Added icon06 17 21 Dowel-Laminated TimberNew Listing
Added icon08 18 00 Glass DoorsNew Listing
Added icon08 18 13 Swinging Glass DoorsNew Listing
Added icon08 18 16 Sliding Glass DoorsNew Listing
Added icon08 18 19 Bifolding Glass DoorsNew Listing
Added icon08 31 23 Floor DoorsNew Listing
Revised icon08 32 00 Sliding Glass Doors
    Transition to:
08 18 16 Sliding Glass Doors
Revised Listing
Revised icon08 32 13 Sliding Aluminum-Framed Glass Doors
    Transition to:
08 18 16 Sliding Glass Doors
Revised Listing
Revised icon08 32 16 Sliding Plastic-Framed Glass Doors
    Transition to:
08 18 16 Sliding Glass Doors
Revised Listing
Revised icon08 32 19 Sliding Wood-Framed Glass Doors
    Transition to:
08 18 16 Sliding Glass Doors
Revised Listing
Added icon08 39 23 Tornado Resistant Door AssembliesNew Listing
Added icon11 52 33 Interactive DisplaysNew Listing
Added icon11 82 16 Facility Waste ConveyorsNew Listing
Added icon13 01 46 Maintenance of Lightning Protection SystemsNew Listing
Added icon13 46 00 Lightning Protection SystemsNew Listing
Added icon13 46 13 Lightning Protection for StructuresNew Listing
Added icon13 46 16 Lightning Prevention and DissipationNew Listing
Added icon13 46 19 Early Streamer Emission Lightning ProtectionNew Listing
Added icon13 46 23 Lightning Monitoring EquipmentNew Listing
Revised icon21 16 00 Fire-Suppression Pressure Maintenance Pumps
    Transition to:
21 34 13 Pressure Maintenance Pumps
Content addressed by 21 34 13 Fire Suppression Pressure Maintenance Pumps, duplicate locations for same content.
Added icon21 21 23 Nitrogen-Water Fire-Extinguishing SystemsNew Listing
Added icon25 05 12 Cyber Security Requirements for Integrated AutomationNew Listing
Revised icon26 01 40.13 Operation and Maintenance of Lightning Protection Systems
    Transition to:
13 01 46 Maintenance of Lightning Protection Systems
Revised Listing
Revised icon26 41 00 Facility Lightning Protection
    Transition to:
13 46 13 Lightning Protection for Structures
Revised Listing
Revised icon26 41 13 Lightning Protection for Structures
    Transition to:
13 46 13 Lightning Protection for Structures
Revised Listing
Revised icon26 41 13.13 Lightning Protection for Buildings
    Transition to:
13 46 13 Lightning Protection for Structures
Revised Listing
Revised icon26 41 16 Lightning Prevention and Dissipation
    Transition to:
13 46 16 Lightning Prevention and Dissipation
Revised Listing
Revised icon26 41 19 Early Streamer Emission Lightning Protection
    Transition to:
13 46 19 Early Streamer Emission Lightning Protection
Revised Listing
Revised icon26 41 23 Lightning Protection Surge Arresters and Suppressors
    Transition to:
26 43 23 Surge Protective Devices for Lightning Protection
All lightning protection system (LPS) and related sections in MasterFormat have been changed in response to code requirements and to clarify difference between electrical power and lightning protection systems.
Added icon27 05 12 Cyber Security Requirements for CommunicationsNew Listing
Added icon27 51 29.17 Two-way Radio Communication Enhancement SystemsNew Listing
Added icon27 51 33 Occupancy IndicatorNew Listing
Added icon28 21 23 Video Encoders and DecodersNew Listing
Revised icon28 46 10 Detection and Initiation
    Transition to:
28 46 31 Fire-Alarm Initiating Devices
Revised Listing
Revised icon28 46 11 Fire Sensors and Detectors
    Transition to:
28 46 31 Fire-Alarm Initiating Devices
Revised Listing
Revised icon28 46 11.11 Linear Heat Detection Sensors
    Transition to:
28 46 31.11 Heat-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.13 Spot-type Heat Detection Sensors
    Transition to:
28 46 31.15 Radiant Energy-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.15 Duct Smoke Detection Sensors
    Transition to:
28 46 31.13 Smoke-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.17 Beam Smoke Detection Sensors
    Transition to:
28 46 31.13 Smoke-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.19 Video Smoke Detection Sensors
    Transition to:
28 46 31.13 Smoke-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.21 Carbon-monoxide Detection Sensors
    Transition to:
28 46 31.17 Gas-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.23 Combination Sensors
    Transition to:
28 46 31.25 Combination Fire Detectors
Revised Listing
Revised icon28 46 11.25 Air Sampling Systems
    Transition to:
28 46 31.13 Smoke-Sensing Fire Detectors
Revised Listing
Revised icon28 46 11.27 Other Sensors
    Transition to:
28 46 31 Fire-Alarm Initiating Devices
Revised Listing
Revised icon28 46 12 Other Initiating Devices
    Transition to:
28 46 31 Fire-Alarm Initiating Devices
Revised Listing
Revised icon28 46 12.11 Fire Alarm Pull Stations
    Transition to:
28 46 31.31 Fire-Alarm Manual Initiating Devices
Revised Listing
Revised icon28 46 12.13 Fire Alarm Level Detector Switches
    Transition to:
21 10 00 Water-Based Fire-Suppression Systems
28 46 00 Fire Detection and Alarm et seq were revised to follow NFPA 72 more closely, resulting in many changes to sections and explanatory text.
Revised icon28 46 12.15 Fire Alarm Flow Switches
    Transition to:
21 10 00 Water-Based Fire-Suppression Systems
28 46 00 Fire Detection and Alarm et seq were revised to follow NFPA 72 more closely, resulting in many changes to sections and explanatory text.
Revised icon28 46 12.17 Fire Alarm Pressure Sensors
    Transition to:
21 10 00 Water-Based Fire-Suppression Systems
28 46 00 Fire Detection and Alarm et seq were revised to follow NFPA 72 more closely, resulting in many changes to sections and explanatory text.
Revised icon28 46 12.19 Sprinkler Supervisory Devices
    Transition to:
28 46 31.41 Fire-Alarm Supervisory Signal Initiating Devices
Revised Listing
Added icon28 46 13 Fire-Alarm SystemsNew Listing
Added icon28 46 13.11 Protected Premises Fire-Alarm SystemsNew Listing
Added icon28 46 13.21 Central-Station Service Fire-Alarm SystemsNew Listing
Added icon28 46 13.31 Proprietary Supervising-Station Fire-Alarm SystemsNew Listing
Added icon28 46 13.41 Remote Supervising-Station Fire-Alarm SystemsNew Listing
Added icon28 46 13.51 Household Fire-Alarm SystemsNew Listing
Added icon28 46 14 Single and Multiple Station AlarmsNew Listing
Revised icon28 46 20 Fire Alarm
    Transition to:
28 46 13 Fire-Alarm Systems
Revised Listing
Added icon28 46 21 Fire-Alarm Control Units and Related EquipmentNew Listing
Revised icon28 46 21.11 Addressable Fire-alarm Systems
    Transition to:
28 46 13 Fire-Alarm Systems
Revised Listing
Added icon28 46 21.12 Fire-Alarm Control UnitsNew Listing
Revised icon28 46 21.13 Conventional Fire-alarm Systems
    Transition to:
28 46 13 Fire-Alarm Systems
Revised Listing
Revised icon28 46 21.15 Protected Premise Systems
    Transition to:
28 46 13.11 Protected Premises Fire-Alarm Systems
Revised Listing
Revised icon28 46 21.17 Proprietary Systems
    Transition to:
28 46 13.31 Proprietary Supervising-Station Fire-Alarm Systems
Revised Listing
Revised icon28 46 21.19 Central Station Systems
    Transition to:
28 46 13.21 Central-Station Service Fire-Alarm Systems
Revised Listing
Revised icon28 46 21.21 Remote Station Systems
    Transition to:
28 46 13.41 Remote Supervising-Station Fire-Alarm Systems
Revised Listing
Added icon28 46 21.22 Fire-Alarm Remote AnnunciatorsNew Listing
Revised icon28 46 21.23 Public Emergency Alarm Reporting Systems
    Transition to:
28 46 33 Public Emergency Alarm Reporting Equipment
Revised Listing
Added icon28 46 21.24 Supervising Station Alarm Systems Communications EquipmentNew Listing
Added icon28 46 21.26 Fire-Alarm System PrintersNew Listing
Added icon28 46 21.31 Fire-Alarm Terminal CabinetsNew Listing
Added icon28 46 21.33 Low-Power Radio (Wireless) EquipmentNew Listing
Added icon28 46 21.41 In-Building Fire Emergency Voice/Alarm Communications System (EVACS) EquipmentNew Listing
Revised icon28 46 22 Network Command Centers, Printers and Peripherals for Fire Systems
    Transition to:
28 46 21 Fire-Alarm Control Units and Related Equipment
Revised Listing
Revised icon28 46 23 Fire Alarm Notification Appliances
    Transition to:
28 46 41 Fire-Alarm Notification Appliances
Revised Listing
Revised icon28 46 23.11 Fire Alarm Horns and Strobes
    Transition to:
28 46 41.31 Combination Fire-Alarm Notification Appliances
Revised Listing
Revised icon28 46 23.13 Fire Alarm Speakers
    Transition to:
28 46 41.11 Audible Fire-Alarm Notification Appliances
Revised Listing
Revised icon28 46 23.15 Fire Alarm Low Frequency Sounders
    Transition to:
28 46 41.11 Audible Fire-Alarm Notification Appliances
Revised Listing
Revised icon28 46 23.17 Wide Band Sounders
    Transition to:
28 46 41.11 Audible Fire-Alarm Notification Appliances
Revised Listing
Revised icon28 46 24 Fire Detection and Alarm Emergency Control Function Interfaces
    Transition to:
28 46 51 Fire-Alarm Supervised Interface Hardware
Revised Listing
Revised icon28 46 24.11 Fire Detection and Alarm Interfaces to Remote Monitoring
    Transition to:
28 46 51 Fire-Alarm Supervised Interface Hardware
Revised Listing
Revised icon28 46 24.13 Fire Detection and Alarm Interfaces to Access Control Hardware
    Transition to:
28 46 51.08 Fire-Alarm Supervised Interface Hardware for Openings
Revised Listing
Revised icon28 46 24.15 Fire Detection and Alarm Interfaces to Access Control System
    Transition to:
28 46 51.08 Fire-Alarm Supervised Interface Hardware for Openings
Revised Listing
Revised icon28 46 24.17 Fire Detection and Alarm Interfaces to Intrusion Detection
    Transition to:
28 46 51.08 Fire-Alarm Supervised Interface Hardware for Openings
Revised Listing
Revised icon28 46 24.19 Fire Detection and Alarm Interfaces to Video Surveillance
    Transition to:
28 46 51 Fire-Alarm Supervised Interface Hardware
Revised Listing
Revised icon28 46 24.21 Fire Detection and Alarm Interfaces to Elevator Control
    Transition to:
28 46 51.14 Fire-Alarm Supervised Interface Hardware for Elevators
Revised Listing
Revised icon28 46 24.23 Other Fire Detection and Alarm Interfaces
    Transition to:
28 46 51 Fire-Alarm Supervised Interface Hardware
Revised Listing
Added icon28 46 25 Fire-Alarm System AccessoriesNew Listing
Added icon28 46 31 Fire-Alarm Initiating DevicesNew Listing
Added icon28 46 31.11 Heat-Sensing Fire DetectorsNew Listing
Added icon28 46 31.13 Smoke-Sensing Fire DetectorsNew Listing
Added icon28 46 31.15 Radiant Energy-Sensing Fire DetectorsNew Listing
Added icon28 46 31.17 Gas-Sensing Fire DetectorsNew Listing
Added icon28 46 31.21 Multi-Criteria Fire DetectorsNew Listing
Added icon28 46 31.23 Multi-Sensor Fire DetectorsNew Listing
Added icon28 46 31.25 Combination Fire DetectorsNew Listing
Added icon28 46 31.31 Fire-Alarm Manual Initiating DevicesNew Listing
Added icon28 46 31.41 Fire-Alarm Supervisory Signal Initiating DevicesNew Listing
Added icon28 46 33 Public Emergency Alarm Reporting EquipmentNew Listing
Added icon28 46 41 Fire-Alarm Notification AppliancesNew Listing
Added icon28 46 41.11 Audible Fire-Alarm Notification AppliancesNew Listing
Added icon28 46 41.21 Visible Fire Alarm Notification AppliancesNew Listing
Added icon28 46 41.31 Combination Fire-Alarm Notification AppliancesNew Listing
Added icon28 46 41.41 Tactile Fire Alarm Notification AppliancesNew Listing
Added icon28 46 51 Fire-Alarm Supervised Interface HardwareNew Listing
Added icon28 46 51.08 Fire-Alarm Supervised Interface Hardware for OpeningsNew Listing
Added icon28 46 51.14 Fire-Alarm Supervised Interface Hardware for ElevatorsNew Listing
Added icon28 46 51.23 Fire-Alarm Supervised Interface Hardware for HVAC SystemsNew Listing
Added icon28 46 51.25 Fire-Alarm Supervised Interface Hardware for Integrated AutomationNew Listing
Added icon32 01 90.91 Perennials and Grasses RestorationNew Listing
Added icon33 05 31.43 Polypropylene Corrugated-Wall, Smooth Interior Utility PipeNew Listing