NFPA 22, Standard for Water Tanks for Private Fire Protection 2023

Help improve building safety and support reliable fire protection water supplies with NFPA 22, Standard for Water Tanks for Private Fire Protection.

NFPA 22 provides comprehensive requirements for the design, construction, installation, and maintenance of private fire protection water tanks and accessory equipment. The 2023 edition introduces extensive revisions intended to improve usability, modernize requirements, and align the standard with current engineering practices and referenced industry standards.

This essential standard helps ensure that water-based fire protection systems remain dependable and ready for operation during emergency situations. NFPA 22 is widely used by designers, engineers, contractors, installers, municipal leaders, insurance representatives, authorities having jurisdiction (AHJs), and professionals responsible for fire protection system planning and public fire safety.

Highlights

Key updates and notable changes in the 2023 edition of NFPA 22 include:

• Removal of redundant sections to improve clarity and usability
• Revised requirements addressing external loads such as wind, snow, and live load conditions, incorporating updated standards and replacing outdated design approaches
• Updated tank sizing requirements to ensure consideration of pump suction pressure during water tank design
• Amended water tank construction provisions aligned with newly referenced standards and recognized industry practices
• Additional valve requirements added to improve maintainability and system reliability
• New separation distance requirements for fill lines and suction pipes to help prevent fire pump cavitation
• Editorial corrections, including updated unit conversions where applicable
• References updated to the latest applicable codes and standards

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