For a 13 R system with more than 20 sprinklers, how will the hydrostatic pressure test on above ground piping be performed?

The hydrostatic pressure test for a 13 R system, particularly one with more than 20 sprinklers, must be conducted as specified in the NFPA 13 standard. This standard outlines specific requirements for the testing process, ensuring that the integrity and performance of the sprinkler system are validated.

Conducting the hydrostatic test in accordance with NFPA 13 ensures that the system is capable of withstanding pressure without leaks or failure. It also aligns with established safety protocols in the industry, providing assurance to those who rely on the sprinkler system for fire protection. Compliance with NFPA standards also facilitates uniformity across installations, aiding in the overall maintenance and safety of fire protection systems.

While local authorities and manufacturers may have their guidelines, the NFPA standard provides a comprehensive framework recognized widely in the industry for such testing. This adherence to NFPA guidelines ensures that all installations meet the minimum safety and operational standards required for effective fire suppression.