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Quality Inspection Flashcards

7 cards from real CBI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Quality Inspection flashcards as text

  1. Under the IRC, what is the maximum riser height for stairways in a dwelling?

    Answer: 7-3/4 inches

    IRC R311.7.5.1 limits riser height to 7-3/4 inches.

  2. Within a single stair flight, the greatest riser height may not exceed the smallest by more than what amount?

    Answer: 3/8 inch

    The IRC limits variation between the largest and smallest riser or tread in a flight to 3/8 inch.

  3. Guards are required on open sides of walking surfaces located more than how far above the floor or grade below?

    Answer: 30 inches

    IRC R312.1.1 requires guards where the walking surface is more than 30 inches above grade within 36 inches horizontally.

  4. Required guard openings must not allow passage of a sphere of what diameter?

    Answer: 4 inches

    IRC R312.1.3 generally limits guard openings to less than a 4-inch-diameter sphere, to protect small children.

  5. An emergency escape and rescue opening (non-grade floor) must have a minimum net clear opening of what size?

    Answer: 5.7 square feet

    IRC R310.2.1 requires 5.7 square feet, reduced to 5.0 square feet for grade-floor or below-grade openings.

  6. What is the maximum sill height of an emergency escape opening measured from the finished floor?

    Answer: 44 inches

    IRC R310.2.2 limits sill height to 44 inches above the floor.

  7. At final inspection, glazing in a door lacks a safety glazing label. What should the inspector do?

    Answer: Require evidence of compliance or replacement with labeled safety glazing

    Glazing in hazardous locations such as doors must be identified as safety glazing per IRC R308.1.