According to NC building codes, what is the minimum inspection requirement for residential foundation work?
Correct Answer
D) Both footing and foundation inspections
NC building codes require both footing inspection (before concrete pour) and foundation inspection for residential construction.
Why This Is the Correct Answer
NC building codes require two separate inspections for residential foundation work: (1) a footing inspection before concrete is poured, to verify depth, dimensions, and reinforcement, and (2) a foundation inspection after the foundation walls are built, before backfilling. Both must occur to ensure structural integrity and code compliance.
Why the Other Options Are Wrong
Option A: Foundation inspection only
A foundation inspection alone is insufficient. Without a footing inspection before the concrete pour, inspectors cannot verify footing dimensions or reinforcement — defects would be permanently hidden once concrete is placed.
Option B: Footing inspection only
A footing inspection alone is insufficient. The foundation walls built on top of the footings also require inspection before backfilling to confirm they meet code requirements for height, thickness, and anchorage.
Option C: Pre-pour and post-pour inspections
Pre-pour and post-pour inspections describe phases of the footing inspection only. This answer conflates two phases of a single step with the requirement for two distinct inspections at different stages of construction.
Memory Technique
Use the acronym 'FF' — Footing First, Foundation Follows. Two inspections, two F's.
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