Numbering becomes useful when a reference can be followed from the drawing to the element, its package and any specified record. The receiving team can then discuss an identified item rather than trying to recognise it from a photograph alone.
Agree the level of traceability needed for procurement and site acceptance. Depending on the order, this may involve material references, dimensional records, photographs or an independent inspection. Availability, method, timing, responsibility and cost belong in the agreed scope.
- What is checked?
- Name the element, material, dimension or quantity and its drawing revision.
- Against which requirement?
- State the acceptance criterion and how it will be assessed.
- Where is the result recorded?
- Connect the result and any follow-up decision to the same component or package reference.