NFPA 72 Visible Notification Requirements in Special Applications

NFPA 72 Visible Notification Requirements in Special Applications

NFPA 72 specifies visible notification requirements in Chapter 18, which determine strobe intensity based on the room size and the location of the strobe(s). The Code provides separate tables for wall-mount and ceiling-mount strobes. However, the tables are all based...
Smoke Alarms and Smoke Detectors in Sleeping Areas

Smoke Alarms and Smoke Detectors in Sleeping Areas

The IBC (International Building Code) and NFPA 101 (Life Safety Code) require smoke alarms in sleeping areas for specific occupancy classifications. Smoke alarms receive primary power from the building’s electrical wiring, typically at 120 VAC. Since most states...
What is the NTC Orange Book?

What is the NTC Orange Book?

The NTC Orange Book, Fire Alarm Code Handbook, is a quick reference guide to codes concerned with fire alarm requirements. The Orange Book, originally called “Chuck Notes” after the original author, Charles Aulner, has evolved over the years. The Orange...
Visible Notification Spacing

Visible Notification Spacing

Visible notification design uses prescriptive design. The location and placement of visible notification appliances are entirely dictated by NFPA 72, Chapter 18. While the code permits performance-based design options to be used with visible notification, most...
What Happens in Vegas…

What Happens in Vegas…

The annual NTC Conference wrapped up in Las Vegas. After all the excitement, the clamoring of attendees, vendors and staff, there was a moment, just one moment of quiet in the lobby of the South Point Hotel and Casino. Sure there was the clacking of the slot machines,...
Ceiling Mount Audible Spacing

Ceiling Mount Audible Spacing

Ceiling Mount Audible Notification Appliance Spacing Ceiling-mount audible notification appliances are generally spaced using the 2X Ceiling Height rule of thumb. This rule spaces ceiling-mount audible notification appliances twice the height of the ceiling surface. ...