The RFI Answer Did Not Match the Drawing
Audit of RFI 42 closure failure where the updated architectural plan designated Wall Type C despite the signed RFI response binding the design to Wall Type D.
See RFI 42 for wall type change.
Wall type needs to match RFI exactly.
Updated per RFI 42.
Wall type changed to Type C, but RFI 42 said Type D.
RFI Consistency Audit & Downstream Impact
Audit Ref: RF-238Provided Proof of Resolution
Drawing explicitly shows Type C.
Lead Reviewer Final Decision
Downstream Engineering Consequence
Drawing reissued.
Resolution Protocol Analysis
In construction coordination, a formal Request for Information response becomes an authoritative contractual document once approved by the project architect and engineer of record. When drafting teams execute the subsequent sheet modifications, verbatim consistency between the written directive and the CAD or BIM model is essential.
A comment marked closed without an accompanying revision cloud, updated coordinate schedule, or verifiable sheet cross-reference constitutes an open quality risk.
In this incident, internal drafting miscommunication substituted Partition Type C (a standard one-hour drywall assembly) for the intended Type D (a double-stud acoustic acoustic rated enclosure). The prompt quality control audit caught the discrepancy prior to drywall framing procurement, avoiding tens of thousands of dollars in acoustic remediation teardown.
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