The stormwater inspector walks the site and notes this item: a cheaper product differs from the specified basis and has not been approved. What should happen before purchase?
Correct Answer
C) Submit it through the substitution procedure and wait for approval
Submit it through the substitution procedure and wait for approval is the contract-appropriate response: the distractors either bypass required review, conceal a defect, or create a payment or quality dispute in scenario item 356.
Why This Is the Correct Answer
Submit it through the substitution procedure and wait for approval is the contract-appropriate response
Why the Other Options Are Wrong
Option A: The contractor should install first
Choice A gives Install first. Its specific error: it leaves out the controlling Substitution result.
Option B: Base the substitution response on mark it as an RFI
Choice B (Mark it as an RFI only) is rejected because it leaves the work at an informal or incomplete stage, while Substitution requires.
Option D: The contractor should delete the product
The trap in D is Delete the product. That selection is wrong because the option tries to substitute, waive, or delete the Substitution control; the item instead requires.
Memory Technique
Remember substitution by its jobsite consequence: the correct move points to Submit it through the substitution procedure and wait for approval.
Reference Hint
Open NASCLA Contractors Guide to Business, Law and Project Management, 14th Ed.; use the index entry or section for "Substitution procedure" to confirm that Submit it through the substitution procedure and wait for approval is the contract-appropriate response
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