NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes

NFPA^® 13D Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2022 Edition

Chapter 1 Administration

1.1 Scope.
1.2 Purpose.
1.3 Retroactivity.
1.4 Equivalency.
1.5 Units.
1.6 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 Sprinkler Temperature Ratings.
4.2 Tube.
4.3 Listed or Labeled.
4.4 Documentation.
4.5 Qualifications.

Chapter 5 System Components

5.1 General.
5.2 Aboveground Pipe and Equipment.
5.3 Water Supply Pipe and Fittings.
5.4 Pre-Engineered Systems.

Chapter 6 Water Supply

6.1 General Provisions.
6.2 Water Supply Sources.
6.3 Multipurpose Piping System.
6.4 Manufactured Home Water Supply.
6.5 Common Supply Pipes.

Chapter 7 Installation

7.1 Valves.
7.2 Drains and Test Connections.
7.3 Pressure Gauges.
7.4 Piping Support.
7.5 Sprinklers.
7.6 Alarms.
7.7 Attics.
7.8 Multipurpose and Passive Purge Systems.

Chapter 8 Sprinkler Position and Location

8.1 Design Criteria.
8.2 Position of Sprinklers.
8.3 Location of Sprinklers.

Chapter 9 Protection from Freezing

9.1 System Types.
9.2 Antifreeze Systems.
9.3 Dry Pipe and Preaction Systems.

Chapter 10 Discharge and Hydraulic Calculations

10.1 Design Discharge.
10.2 Number of Design Sprinklers.
10.3 Piping Configurations.
10.4 Pipe Sizing.

Chapter 11 System Acceptance

11.1 General.
11.2 Acceptance Tests.

Chapter 12 Inspection, Testing, and Maintenance

12.1 General.
12.2 Inspections and Tests.
12.3 Maintenance.

Annex A Explanatory Material
Annex B Incentives for Residential Fire Sprinkler Use — Advantages for Builders, Developers, and Communities
Annex C Informational References

THE NFPA HANDBOOKS DIFFER FROM CODES AND STANDARDS

Ever wonder what the difference is between an NFPA^® handbook and a code or standard? We’re glad you asked.

NFPA codes and standards both provide requirements for achieving outcomes. Handbooks take a deeper dive, providing the full text of a code or standard as well as expert commentary and features such as graphics, decision trees, testing procedures, case studies, sample forms and checklists, and other helpful aids to give a better understanding of the reasoning behind the requirements and how to apply them.

JUST REMEMBER:

• A code or standard is a framework—a set of rules to follow with a goal to achieve a certain result
• A handbook is a connector—linking requirements to application by helping you understand the reasoning behind a code or standard

The simplest way to think about it is that codes and standards list the technical requirements while handbooks explain those requirements to clarify how to apply them.

2019 Edition

Install home sprinklers correctly -- and save lives -- with the updated edition of NFPA 13D.

Automatic sprinklers help reduce the risk of dying in a home fire by about 80% while significantly protecting against property loss. The 2019 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, features up-to-date criteria addressing every aspect of sprinkler design, water supplies, equipment, and placement.

Revisions in NFPA 13D address gaps in coverage and clarify requirements, so you can make homes safer from fire and related hazards.

Installers and contractors need the revised 2019 edition NFPA 13D to address different types of construction, work with the latest technologies, and help reduce risks while maximizing efficiency. Changes in this edition include:

• Added beam requirements and new figures for sprinklers installed under and adjacent to beams
• New requirements for closets where ventless clothes dryers are installed
• Added requirements where pressure-reducing and pressure-regulating valves are installed
• A new section in Chapter 12 addressing inactive systems in structures left vacant for a period of time
• Clarified requirements for the use of well pumps as a water supply
• Added images that clarify sprinkler location and clearances needed around fireplaces

Most fire deaths in the U.S. occur in homes, which is why safety experts, firefighters, and community leaders strongly advocate installing sprinklers in dwellings, and sprinkler systems are a requirement in all U.S. model building codes. Install home fire sprinkler systems with the latest edition of NFPA 13D and help protect lives. (Print, 68 pp., 2019)

2016 Edition

Use NFPA 13D to design and install reliable and economical sprinkler systems that keep people and property safer from fires in the home.

Research shows that residential fire sprinklers could take monumental strides in saving lives and reducing property loss in homes, where most fire deaths in the U.S. occur. NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes is the solution to correct residential system design and installation. Coverage includes water supplies, equipment requirements, as well as sprinkler location, spacing and position. Safety experts, fire fighters, and community leaders strongly advocate installing sprinklers in dwellings, and sprinkler systems are a requirement in all U.S. model building codes. Each edition of NFPA 13D incorporates new information about saving lives, protecting property, and watching your bottom line.

• The 2016 NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes adds clarification on the re-use of sprinklers; a new figure addressing the positioning of sprinklers to avoid obstruction where there are sloped ceilings; as well as a new sketch showing an insulation practice using tenting in an attic or concealed space. The 2016 NFPA 13D also includes the latest information about antifreeze use.
• The 2013 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes helps improve cost-effectiveness in residential sprinkler design. A major change allows a four-head calc that can eliminate conflicts in determining sprinkler coverage for sloped and beam ceilings. New provisions allow the use of backflow preventer for shutoff, and new information on "shadow area" helps you avoid ceiling fan blockage. This edition also includes an update on antifreeze use.
• The 2010 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes features an expanded scope covering system inspection, testing, and maintenance. It also introduces an 8-step prescriptive pipe sizing method as an alternative to the hydraulic calculation method, to improve flexibility in design. This edition clarifies that "townhouses" can be protected by an NFPA 13D. A new annex provides key maintenance and testing information for homeowners.
• The 2007 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes adds spacing and obstruction rules addressing sloped ceilings, ceiling pockets, ceiling fans, and kitchen cabinets. New installation, design, and acceptance requirements for pumps help you ensure adequate water supplies when needed. Other new requirements address listed dry pipe residential sprinkler systems. This edition also clarifies the acceptability of insulation as a method of freeze protection.
• The 2002 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes introduces an improved format and a revised list of locations in dwellings where sprinklers can be omitted. Other major changes include new discharge requirements and updated network and mutipurpose system rules.
• The 1999 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes presents revised coverage on residential sprinkler system design considerations, water supplies, equipment requirements, and sprinkler location, spacing and position.

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