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CCI Quality Control & Assurance Flashcards

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

Read the first 6 CCI Quality Control & Assurance flashcards as text

  1. What is the correct curing temperature range for standard Portland cement concrete to achieve optimal strength gain?

    Answer: 50°F to 95°F (10°C to 35°C)

    ACI 308 specifies that concrete should be maintained between 50°F and 95°F during curing to allow proper hydration and strength development.

  2. What is the purpose of pre-installation conferences in a quality control program?

    Answer: To ensure all parties understand requirements, materials, and procedures before critical work begins

    Pre-installation conferences align the contractor, subcontractor, inspector, and design team on specifications, sequencing, and quality requirements before work starts.

  3. During quality control inspection of structural steel bolt installation, what torque verification method uses a calibrated wrench to check installed bolts?

    Answer: Turn-of-nut verification or torque-wrench verification per AISC and RCSC specifications

    AISC and RCSC require pretensioned bolts to be verified by approved methods including calibrated torque wrench testing or turn-of-nut verification with inspection.

  4. What is the key difference between quality control (QC) and quality assurance (QA) in construction?

    Answer: QC is performed by the contractor to meet specifications; QA is performed by an independent party to verify compliance

    QC is the contractor's internal self-checking process, while QA is the independent verification by the owner, inspector, or third-party to confirm QC is working.

  5. When inspecting fireproofing (spray-applied fire-resistive material) on structural steel, what is the primary measurement the inspector records?

    Answer: Dry film thickness using a calibrated depth gauge at required test intervals

    The thickness of applied fireproofing is the critical performance characteristic, measured with a calibrated depth gauge to verify the required hourly fire rating will be achieved.

  6. What does ICC/IBC require regarding the qualifications of a Special Inspector for structural welding?

    Answer: The inspector must be a Certified Welding Inspector (CWI) per AWS D1.1 or approved equivalent

    IBC requires structural weld inspectors to be qualified as a CWI under AWS D1.1 or meet equivalent credentials accepted by the authority having jurisdiction.