Building Codes and Regulations Flashcards

What flame spread index (FSI) rating is required for interior finish materials in egress corridors under IBC?

Answer: Class A (FSI 0–25)

IBC requires Class A (FSI 0–25) interior finish in exit enclosures and corridors serving high-hazard occupancies to limit flame spread.

Under NFPA 101, what is the maximum dead-end corridor length permitted in a sprinklered healthcare occupancy?

Answer: 30 feet

NFPA 101 limits dead-end corridors in healthcare occupancies to 30 feet even when sprinklered, due to non-ambulatory patient evacuation needs.

Which accessibility standard specifies the 1:12 maximum slope for accessible ramps?

Answer: 2010 ADA Standards for Accessible Design

The 2010 ADA Standards for Accessible Design require ramp running slopes no steeper than 1:12 (one inch rise per 12 inches of run).

What is the minimum required headroom clearance in a means of egress under IBC?

Answer: 7 feet 6 inches

IBC Section 1003.2 requires a minimum ceiling height of 7 feet 6 inches throughout the means of egress.

Which code section governs the number of plumbing fixtures required for a commercial tenant buildout?

Answer: International Plumbing Code (IPC) Table 403.1

IPC Table 403.1 provides minimum fixture count requirements based on occupancy type and occupant load, directly applied during tenant buildouts.

What does 'means of egress' legally consist of under the IBC?

Answer: Exit access, exit, and exit discharge

The IBC defines means of egress as a continuous path comprising three parts: exit access, the exit itself, and exit discharge to a public way.