NM CID GS-4 Practice Questions - New Mexico CID GS-4 Concrete, Cement, Walkways And Driveways Examination Exam

Reinforcing bars in a slab or footing are held at the specified cover by:

Throwing the steel on the subgrade and lifting it with a rake during the pour Bar supports such as chairs, bolsters, or concrete dobies spaced so the steel cannot sag or be stepped down Form oil sprayed on the bars Tying the bars only at midspan and leaving the ends free

Correct Answer:

Bar supports such as chairs, bolsters, or concrete dobies spaced so the steel cannot sag or be stepped down

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