PPD Practice Exam Fire Separation References

Regarding a question on the second practice exam: What is the minimum required fire-rated separation between the private garages?

I used the IBC reference chapters from the case studies to determine the answer. I found the occupancy type U and cross referenced with other type U occupancies to determine that the separation required would be 0 hours. The answer says the reference is 406.3, which is true and indicates 1-hr, but that section isn’t provided on the practice exam. Should we be memorizing some of these fire separations? Is there a trick to how we should associate specific types of separations? Or would the IBC chapter 4 typically be provided as a resource in this case?

Thanks!

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@coachlizschneider do you mind helping @mkmcna ?

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