Interior Design Quality Control & Assurance 2 — Questions and Answers
Question 1: During a site walkthrough, you notice installed custom millwork has gaps at the cabinet-to-ceiling joint. What is the FIRST corrective action?
- Document with photos and issue a formal punch list item to the contractor (Correct answer)
- Immediately reject the entire millwork installation
- Ask the client if the gap is acceptable before proceeding
- Apply caulk yourself to resolve the issue quickly
Correct answer: Document with photos and issue a formal punch list item to the contractor
Documenting deficiencies with photos and issuing a formal punch list protects all parties and establishes a record for resolution.
Question 2: Which ASTM standard governs the flammability requirements for upholstered furniture used in commercial interiors?
- ASTM E84
- ASTM E1537 (Correct answer)
- ASTM D3574
- ASTM F1980
Correct answer: ASTM E1537
ASTM E1537 is the standard test method for fire testing of upholstered furniture, widely referenced in commercial specifications.
Question 3: A designer specifies a stone countertop as 'Absolute Black granite, honed finish, 3 cm.' The fabricator delivers a polished finish. Under quality control principles, this is classified as:
- A minor variance requiring no action
- A submittal non-conformance (Correct answer)
- An acceptable substitution
- A code violation
Correct answer: A submittal non-conformance
Delivering a finish that differs from the approved specification constitutes a submittal non-conformance requiring rejection and resubmission.
Question 4: What does the term 'substantial completion' mean in the context of an interior design project?
- All punch list items have been resolved and the project is fully complete
- The project is sufficiently complete that the owner can use it for its intended purpose (Correct answer)
- 50% or more of the contracted work has been finished
- The designer has signed off on all contractor invoices
Correct answer: The project is sufficiently complete that the owner can use it for its intended purpose
Substantial completion means the work is complete enough for the owner to occupy and use the space for its intended purpose, even if minor items remain.
Question 5: When reviewing a shop drawing for a custom reception desk, the interior designer should:
- Approve it only if it matches the construction documents exactly, with no exceptions
- Review it for design intent conformance and note any deviations for contractor resolution (Correct answer)
- Defer review to the structural engineer since millwork is structural
- Approve it automatically if submitted within the project schedule
Correct answer: Review it for design intent conformance and note any deviations for contractor resolution
The designer reviews shop drawings to confirm conformance with design intent and flags deviations, not to verify all construction means and methods.
Question 6: Which of the following best describes a 'mock-up' in interior design quality assurance?
- A digital rendering used to present design concepts to clients
- A full- or partial-scale physical sample built to evaluate workmanship and material appearance before full installation (Correct answer)
- A preliminary cost estimate provided by the contractor
- A written description of material standards included in the specification
Correct answer: A full- or partial-scale physical sample built to evaluate workmanship and material appearance before full installation
A mock-up is a built physical sample used to evaluate and approve workmanship, finish, and appearance standards before the full scope is installed.
Question 7: Indoor air quality (IAQ) compliance for low-VOC materials is typically verified through:
- Visual inspection of product color and odor during installation
- Third-party certification such as GREENGUARD Gold or CDPH 01350 test results (Correct answer)
- Contractor verbal confirmation that products meet VOC limits
- A post-occupancy survey completed by building users
Correct answer: Third-party certification such as GREENGUARD Gold or CDPH 01350 test results
Third-party certifications like GREENGUARD Gold provide independent laboratory testing verification that products meet established VOC emission limits.
Interior Design Quality Control & Assurance 2
During a site walkthrough, you notice installed custom millwork has gaps at the cabinet-to-ceiling joint.
What is the FIRST corrective action?