Reinforcing steel for a footing will be cast directly against earth. What concrete-cover concept should the superintendent protect?
Correct Answer
C) Concrete cover must separate the steel from earth exposure.
Reinforcing steel needs the required concrete cover, especially where concrete is cast against and exposed to earth.
Why This Is the Correct Answer
Reinforcing steel needs the required concrete cover, especially where concrete is cast against and exposed to earth.
Why the Other Options Are Wrong
Option A: Bars may touch soil if the concrete is placed the same day.
Bars may touch soil if the concrete is placed the same day. addresses a neighboring field issue, but not the condition or method control required for concrete reinforcement cover.
Option B: Cover is needed only at formed faces above grade.
Cover is needed only at formed faces above grade. addresses a neighboring field issue, but not the condition or method control required for concrete reinforcement cover.
Option D: Cover can be replaced by wetting the soil before the pour.
Cover can be replaced by wetting the soil before the pour. addresses a neighboring field issue, but not the condition or method control required for concrete reinforcement cover.
Memory Technique
The field condition asks; concrete reinforcement answers in work boots for Inspecting Footing.
Reference Hint
Study anchor (closed-book): memorize Concrete reinforcement cover from 2025 California Building Code, California Code of Regulations Title 24 / Title 24 California Building Code structural concrete reinforcement cover; know the rule or calculation trigger without relying on exam-room lookup.
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