Quality Control & Inspection Flashcards

Under AIA A201, how long is the standard correction period for work found not in accordance with the contract documents?

Answer: One year after substantial completion

A201 sets a one-year correction period starting at substantial completion, separate from statutory warranty limits.

A project team is investigating why recurring water intrusion occurs at window openings. Which tool best organizes potential causes by category?

Answer: Fishbone (Ishikawa) diagram

A cause-and-effect diagram groups possible root causes by categories like materials, methods, people, and environment.

Which specification governs the installation and inspection of high-strength bolts in structural steel joints, including the turn-of-nut method?

Answer: RCSC Specification for Structural Joints

The RCSC specification defines pretensioning methods such as turn-of-nut, calibrated wrench, and DTI washers.

What is the primary goal of building commissioning?

Answer: To verify that building systems are designed, installed, and perform according to the owner's project requirements

Commissioning is a quality process that verifies systems meet the OPR and are properly documented and operational.

For acceptance testing, concrete cylinders made per ASTM C31 should be cured how?

Answer: Standard-cured under controlled moisture and temperature after initial curing

Standard-cured cylinders are used for strength acceptance, while field-cured cylinders assess in-place curing or formwork removal timing.

Which test is commonly used to verify the watertightness of a newly installed horizontal waterproofing membrane before it is covered?

Answer: Flood test

A flood test ponds water on the membrane for a specified period, typically 24-48 hours, to reveal leaks.

Which international standard specifies requirements for a quality management system that construction firms may be certified to?

Answer: ISO 9001

ISO 9001 is the quality management system standard; 14001 is environmental and 45001 is safety.