What is the maximum rise allowed for a single run of stairs?

Prepare for the ICC Certified Fire Inspector One Test with expert-level questions, detailed explanations, and essential study tips. Get ready to excel!

The maximum rise allowed for a single run of stairs, according to the International Building Code (IBC), is typically 7 inches for residential buildings and 7 inches for commercial buildings. However, there are allowances where the maximum rise can be increased in specific situations, such as in certain types of buildings or when there are specific conditions met.

In this case, the option that states a maximum rise of 10 inches aligns with some exceptions found in the codes, which may permit a rise of up to 10 inches under specific circumstances, particularly in non-residential scenarios or older buildings where accessibility might not be as rigidly enforced.

It’s crucial for building and fire inspectors to be familiar with these codes to ensure that stairways are constructed safely, minimizing the risk of trips and falls. This dimension serves both safety and accessibility requirements.

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