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INTD 244 EXAM 2 2025 QUESTIONS AND ANSWERS What three requirements should the foundation depth meet? ....ANSWER ...-Extend below the frost line Extend down to a solid bearing layer Accommodate a full basement or crawl space, if present Why is the foundation required to extend below the frost line? ....ANSWER ...-To ensure that the foundation will not freeze What foundation requirements does the IRC (International Residential Code) require? - ....ANSWER ...-That all footings be at least 12" below the undisturbed ground surface and have adequate frost protection, which usually entails extending the footing to a depth below the frost line of the locality. Who determines the exact frost line depth? - ....ANSWER ...-The National Building Code (NBC) requires foundations to extend below the frost line, it leaves determining the exact depth of the frost line up to "local experience" ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1