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Manufacturing Record Book

A Manufacturing Record Book (MRB) is the complete manufacturing documentation for a delivery: certificates, welding and NDT records, test and dimensional reports that show the equipment was made to requirements.

Also known as: MRB, MDR, Manufacturing Data Record, documentation package, final documentation

MRB stands for Manufacturing Record Book, also called MDR (Manufacturing Data Record), documentation package or final documentation. The supplier compiles it and hands it over to the customer with the equipment, often as an indexed PDF with a table of contents. Typical contents are material certificates, welding procedures and welder qualifications, NDT reports, dimensional reports, pressure test reports, coating reports, the FAT protocol, non-conformance reports and declarations of conformity. Which documents to include, and in what form, is set out in the customer's SDRL. The point of an MRB is traceability: for every component it should be possible to trace back to the material, to who welded it and to which procedure, and to which inspections were carried out. If a document is missing, the handover waits until it is in place.

Example

A supplier of a pressurised module collects the 3.1 certificates for pipes and flanges, a weld log with the welder ID for each weld, NDT reports, the pressure test report and the FAT protocol in one MRB, ordered by the customer's SDRL and marked with tag and serial numbers.

In Norwegian context

In Norwegian oil and gas, documentation requirements often follow NORSOK Z-018, which describes supplier documentation for equipment. Operators and main contractors pass the requirements down the supply chain, so smaller subcontractors are asked for an MRB too.

Read more in the in-depth article on this topic.

Related terms

  • Supplier Document Requirements List — A Supplier Document Requirements List (SDRL) is the customer's list of which documents a supplier must deliver, in what format and by when, as part of the contract or purchase order.
  • Material certificate 3.1 — A 3.1 material certificate is an inspection certificate under EN 10204 in which the manufacturer confirms that the material meets the requirements of the order, with results from specific inspection, validated by an inspection representative independent of manufacturing.
  • FAT/SAT — A FAT (Factory Acceptance Test) is the test in which the customer accepts the equipment at the supplier's premises before shipping. A SAT (Site Acceptance Test) is the test after installation, where the equipment is tried in its real environment.
  • As-built documentation — As-built documentation shows the equipment or installation as it was actually built and installed, with every change from the original drawings included.
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