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

The 2022 edition of NFPA 13D, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, provides updated guidelines for every aspect of sprinkler system design, installation, water supply, and equipment placement. It is essential for installers and contractors to use this latest edition to accommodate different construction types, integrate new technologies, and enhance safety while maintaining efficiency. Key updates in the 2022 edition include:

• Expansion of the scope to include townhouses.
• Simplification of obstruction tables for easier application.
• New requirements in Chapter 5 for protecting pipes and tubes from mechanical damage.
• Inclusion of provisions for multipurpose and passive purge systems in Chapter 7.
• Clarifications in Chapter 8 regarding fuel-fired equipment and sprinkler protection.
• A new section in Chapter 8 addressing sprinkler installation in tiny homes.
• Revised criteria for sprinklers installed under or near beams, now including concealed sprinklers.
• An updated method for determining when system components are at risk of freezing, using current temperature data.
• Addition of a new annex on residential fire sprinkler incentives and the benefits for builders, developers, and communities.

This edition reflects the latest practices to ensure sprinkler systems meet modern safety and efficiency standards.