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)