Facility “tunnels/corridors” are NOT for HAZMAT movement

Recently, a facility experienced firsthand why the IFC and its state fire code PROHIBIT the movement of hazardous materials via the facility’s “tunnel system.” The code does not prohibit the use of the tunnel system or even in enclosed corridors. Still, the design requirements for these tunnel systems or enclosed corridors to move HAZMATs are usually not cost-effective. Yet, many facilities do not post signs or include in their HAZMAT/HAZCOM training that these specific areas are “off limits” for transporting HAZMATs.

Here is what the IFC and State Fire Code require:

(emphasis by me and the revised structure is by me)

5005.4.4 Dispensing, use, and handling

Where hazardous materials having a hazard ranking of 3 or 4 in accordance with NFPA 704 are transported through

corridors,
interior exit stairways or ramps or
exit passageways,

there shall be an

emergency telephone system,

and

a local manual alarm station or an approved alarm-initiating device

at not more than

150-foot (45 720 mm) intervals

and

at each exit and exit access doorway throughout the transport route

The signal shall be relayed to

an approved central, proprietary, or remote station service

constantly attended on-site location

and

shall initiate a local audible alarm.

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