What information is provided by a hydraulic placard in a sprinkler system?

A hydraulic placard in a sprinkler system serves a crucial role by displaying important operational parameters necessary for effective functionality. This includes the required pressure and the gallons per minute (GPM) needed for the system to operate correctly. This information is essential for firefighters and maintenance personnel to understand how the system has been designed to perform under maximum demand and to ensure that adequate water supply and pressure are available when needed.

When responding to a fire, knowing the specific pressure and flow rate allows for appropriate evaluation of the sprinkler system's capabilities, ensuring effective fire suppression measures can be implemented. The hydraulic placard reflects the hydraulics calculations that determine the sizing of pipes, the selection of the pump, and the overall efficiency of the sprinkler system. This foundational knowledge is critical for maintaining compliance with safety standards and ensuring the system operates effectively in emergency situations.