01
Define the scope
Identify which stages require review: material receipt, PMI, machining, dimensions, testing, marking, packing, or documents.
RTI procurement resource
Third-Party Inspection Guide for Alloy Procurement
Third-party inspection works best when the buyer's inspection scope, witness points, document expectations, notice period, acceptance standard, and release authority are agreed before production and testing. This guide sets out the procurement information needed to plan TPI for alloy flanges and fittings while leaving the inspection agency, ITP, and final acceptance criteria to the applicable purchase order and project documentation.
Working method
Use the checklist to create a technical record before issuing the RFQ.
Working method
Four controls before technical quotation.
Technical checklist
What to make explicit in the order.
Inspector authority
Name the TPI organization and any client, EPC, or owner release authority.
Timing
Specify notice periods and inspection points before production scheduling.
Acceptance
Reference the product standard, drawing, project ITP, and test requirements.
Document dossier
List every document required for review and final release.
Document controls
Release evidence should match the order.
ITP
The ITP should name stage, activity, acceptance standard, record, and purchaser or inspector involvement.
NCR handling
Agree how deviations are recorded, dispositioned, and closed before release.
Release note
The release condition should be visible in the final dossier and aligned with shipping authorization.
Buyer questions
Frequently asked questions.
Ready to define an order?
Prepare a technical quotation request.
Use the advanced RFQ to capture the component, material, standards, dimensions, inspection, documents, packing, and destination requirements in one reviewable form.
