NFPA 13 : 2022

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Symbols. 1.7 New Technology. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions. Chapter 4 General Requirements 4.1 Level of Protection. 4.2 Owner’s Certificate. 4.3 Classification of Hazard. 4.4 System Protection Area Limitations. 4.5 Water Supply Information. 4.6 Additives. 4.7 Air, Nitrogen, or Other Approved Gas. 4.8 Support of Nonsprinkler System Components. 4.9 Noncombustible Materials and Limited-Combustible Materials. Chapter 5 Water Supplies 5.1 General.Chapter 6 System Components and Hardware 6.1 General 6.2 Sprinklers 6.3 Aboveground Pipe and Tube 6.4 Fittings 6.5 Joining of Pipe and Fittings 6.6 Valves 6.7 Fire Department Connections 6.8 Waterflow Alarm Devices 6.9 Signs Chapter 7 System Requirements 7.1 Wet Pipe Systems 7.2 Dry Pipe Systems 7.3 Preaction Systems and Deluge Systems 7.4 Combined Dry Pipe and Preaction Systems for Piers, Terminals, and Wharves 7.5 Multi-Cycle Systems 7.6 Antifreeze Systems 7.7 Outside Sprinklers for Protection Against Exposure Fires (Exposure Protection Sprinkler Systems) 7.8 Refrigerated Spaces 7.9 Commercial-Type Cooking Equipment and Ventilation 7.10 Additives and Coatings Chapter 8 Installation Requirements 8.1 Basic Requirements 8.2 System Protection Area Limitations 8.3 Use of Sprinklers 8.4 Application of Sprinkler Types 8.5 Position, Location, Spacing, and Use of Sprinklers 8.6 Standard Pendent and Upright Spray Sprinklers 8.7 Sidewall Standard Spray Sprinklers 8.8 Extended Coverage Upright and Pendent Spray Sprinklers 8.9 Extended Coverage Sidewall Spray Sprinklers 8.10 Residential Sprinklers 8.11 CMSA Sprinklers 8.12 Early Suppression Fast-Response Sprinklers 8.13 In-Rack Sprinklers 8.14 Pilot Line Detectors 8.15 Special Situations 8.16 Piping Installation 8.17 System Attachments 8.18 Electrical Bonding and Grounding Chapter 9 Hanging, Bracing, and Restraint of System Piping 9.1 Hangers 9.2 Installation of Pipe Hangers 9.3 Protection of Piping Against Damage Where Subject to Earthquakes Chapter 10 Underground Requirements 10.1 Piping 10.2 Fittings 10.3 Connection of Pipe Fittings and Appurtenances 10.4 Protection of Private Fire Service Mains. [24:10.4] 10.5 Grounding and Bonding 10.6 Restraint 10.7 Steep Grades 10.8 Installation Requirements 10.9 Backfilling 10.10 Testing and Acceptance Chapter 11 Design Approaches 11.1 General 11.2 Occupancy Hazard Fire Control Approach for Spray Sprinklers 11.3 Special Design Approaches Chapter 12 General Requirements for Storage 12.1 General 12.2 Hose Connections 12.3 Adjacent Hazards or Design Methods 12.4 Wet Pipe Systems 12.5 Dry Pipe and Preaction Systems 12.6 Storage Applications 12.7 Discharge Considerations 12.8 Hose Stream Allowance and Water Supply Duration 12.9 Unsprinklered Combustible Concealed Spaces 12.10 Room Design Method 12.11 High-Expansion Foam Systems 12.12 Protection of Idle Pallets Chapter 13 Protection of Miscellaneous and Low-Piled Storage 13.1 General 13.2 Design Basis 13.3 In-Rack Sprinklers Chapter 14 Protection for Palletized, Solid-Piled, Bin Box, Shelf, or Back-to-Back Shelf Storage of Class I through Class IV Commodities 14.1 General 14.2 Control Mode Density/Area Sprinkler Protection Criteria for Palletized, Solid-Piled, Bin Box, Shelf, or Back-to-Back Shelf Storage of Class I Through Class IV Commodities 14.3 CMSA Sprinklers for Palletized or Solid-Piled Storage of Class I Through Class IV Commodities 14.4 Early Suppression Fast-Response (ESFR) Sprinklers for Palletized or Solid-Piled Storage of Class I Through Class IV Commodities 14.5 Special Design for Palletized, Solid-Piled, Bin Box, or Shelf Storage of Class I Through Class IV Commodities 14.6 High-Expansion Foam - Reduction to Ceiling Density Chapter 15 Protection for Palletized, Solid-Piled, Bin Box, Shelf, or Back-to-Back Shelf Storage of Plastic and Rubber Commodities 15.1 General 15.2 Control Mode Density/Area Sprinkler Protection Criteria for Palletized, Solid-Piled, Bin Box, Shelf, or Back-to-Back Shelf Storage of Plastic and Rubber Commodities 15.3 CMSA Sprinklers for Palletized or Solid-Piled Storage of Group A Plastic Commodities 15.4 Early Suppression Fast-Response (ESFR) Sprinklers for Palletized or Solid-Piled Storage of Group A Plastic Commodities 15.5 High-Expansion Foam - Reduction in Ceiling Density Chapter 16 Protection of Rack Storage of Class I Through Class IV Commodities 16.1 General 16.2 Protection Criteria for Rack Storage of Class I Through Class IV Commodities Stored Up to and Including 25 ft (7.6 m) in Height 16.3 Protection Criteria for Rack Storage of Class I Through Class IV Commodities Stored Over 25 ft (7.6 m) in Height Chapter 17 Protection of Rack Storage of Plastic and Rubber Commodities 17.1 General 17.2 Protection Criteria for Rack Storage of Group A Plastic Commodities Stored Up to and Including 25 ft (7.6 m) in Height 17.3 Protection Criteria for Rack Storage of Group A Plastic Commodities Stored Over 25 ft (7.6 m) in Height Chapter 18 Protection of Rubber Tire Storage 18.1 General 18.2 Columns Within Rubber Tire Storage 18.3 Water Supplies 18.4 Ceiling Systems 18.5 In-Rack Sprinkler System Requirements for Protection of Rubber Tires 18.6 Reduced-Discharge Density Chapter 19 Protection of Roll Paper 19.1 Protection of Roll Paper Storage Chapter 20 Special Designs of Storage Protection 20.1 General 20.2 Plastic Motor Vehicle Components 20.3 Sprinkler Design Criteria for Storage and Display of Class I Through Class IV Commodities, Cartoned Nonexpanded Group A Plastics and Nonexpanded Exposed Group A Plastics in Retail Stores 20.4 Protection of Baled Cotton Storage 20.5 Sprinkler Protection of Carton Records Storage with Catwalk Access 20.6 Compact Storage of Commodities Consisting of Paper Files, Magazines, Books, and Similar Documents in Folders and Miscellaneous Supplies with No More Than 5 Percent Plastics Up to 8 ft (2.44 m) High 20.7 Protection of High Bay Records Storage Chapter 21 Alternative Sprinkler System Designs for Chapters 12 Through 20 21.1 General 21.2 Sprinkler Design Criteria for Palletized and Solid-Piled, Storage of Class I Through Class IV and Plastic Commodities 21.3 Sprinkler Protection Criteria for Open-Frame Rack Storage of Class I Through Class IV and Plastic Commodities 21.4 Hose Stream Allowance and Water Supply Duration 21.5 Minimum Obstruction Criteria Chapter 22 Special Occupancy Requirements 22.1 General 22.2 Flammable and Combustible Liquids 22.3 Aerosol Products 22.4 Spray Application Using Flammable or Combustible Materials 22.5 Solvent Extraction Plants. [NFPA 36] 22.6 Installation and Use of Stationary Combustion Engines and Gas Turbines 22.7 Nitrate Film 22.8 Laboratories Using Chemicals 22.9 Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes 22.10 Acetylene Cylinder Charging Plants 22.11 Compressed Gases and Cryogenic Fluids Code 22.12 Utility LP-Gas Plants 22.13 Production, Storage, and Handling of Liquefied Natural Gas (LNG) 22.14 Protection of Information Technology Equipment 22.15 Standard on Incinerators, and Waste and Linen Handling Systems and Equipment 22.16 Standard for Ovens and Furnaces 22.17 Health Care Facilities Code, Class A Hyperbaric Chambers 22.18 Fixed Guideway Transit and Passenger Rail Systems 22.19 Motion Picture and Television Production Studio Soundstages, Approved Production Facilities, and Production Locations 22.20 Animal Housing Facilities 22.21 Water Cooling Towers 22.22 Standard for the Construction and Fire Protection of Marine Terminals, Piers, and Wharves 22.23 Semiconductor Fabrication Facilities Chapter 24 Water Supplies 24.1 General 24.2 Types Chapter 25 Systems Acceptance 25.1 Approval of Sprinkler Systems and Private Fire Service Mains 25.2 Acceptance Requirements 25.3 Circulating Closed Loop Systems 25.4 Instructions 25.5 Hydraulic Design Information Sign 25.6 General Information Sign Chapter 26 Marine Systems 26.1 General 26.2 System Components, Hardware, and Use 26.3 System Requirements 26.4 Installation Requirements 26.5 Design Approaches 26.6 Plans and Calculations 26.7 Water Supplies 26.8 System Acceptance 26.9 System Instructions and Maintenance Chapter 27 System Inspection, Testing, and Maintenance 27.1 General 27.2 Inactive Sprinkler Systems Abandoned in Place Annex A Explanatory Material Annex B Miscellaneous Topics Annex C Explanation of Test Data and Procedures for Rack Storage Annex D Sprinkler System Information from the 2012 Edition of the Life Safety Code Annex E Development of the Design Approach to Conform with SEI/ASCE 7 Annex F Informational References Index

This standard shall provide the minimum requirements for the design and installation of automatic fire sprinkler systems and exposure protection sprinkler systems covered within this standard.