Documentation
Traceability and documentation is required
Documentation
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What is traceability ?
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The formal definition: Traceability is the ability to
chronologically interrelate uniquely identifiable
entities in a way that is verifiable.
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Traceability is the ability to verify the history,
location, or application of an item by means of
documented recorded identification.
Traceability
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What does this mean ??
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The practical implementation of traceability will
often vary according the product/application
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For off-shore fabricators the implementation will
be more comprehensive than for ex shipbuilding
Traceability
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From NORSOK M-601:::
The WPQR/PQR documentation shall include the
material certificates for the base and filler materials
applied in the weld qualification test.
All welding and related activities shall comply with
the requirements of ISO 3834-2 and the additional
requirements of this NORSOK standard.
Traceability
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All welds should be identified by unique numbers.
The shop drawings shall contain enough information
to enable correct selection of WPS. Minimum
information needed is
• material type/grade and grouping number (ISO/TR
15608),
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• dimension (outside diameter and wall thickness),
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• PWHT requirement.
Traceability
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All welds should be identified by unique numbers.
All pipes, fittings and welding consumables should be
colour coded according to Annex D.
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All welding consumables shall have individual
marking.
Traceability
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From NORSOK M-101::
The fabricator shall apply a weld numbering system
for identification on all shop drawings and as
reference in all documentation.
Welding shall be carried out in accordance with the
WPS and applicable drawings.
Traceability
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The inspection category shall be decided by the
designer in accordance with NORSOK N-004, and
shall be specified on the design drawings.
Traceability
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Requires that a system for identification has been
implemented
BUT--- that means that the identification must be
maintained through the production process
Traceability
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Ex. PLATE
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Plate is documented through a Material Certificate
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However that plate comes from a Batch no
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Produced at one Furnace at a given factory
When the plate is cut-- the all parts has to be traced
back to the plate
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And the remaining plate to be identified
Traceability
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Then we need to know where the parts have been
used in the construction
We have to know which weld numbers are joining
the parts
And we need to know which WPS has been used for
each of the welds
Traceability
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We need to know which welder(s) was welding that
weld
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We need to know when it was welded
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We need to know the result of the inspection beiing
carrried out
Documentation
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In order to fullfill the traceability we have to create a
proper documentation that we can use as a proof of
our work.
We can create the documentation in two different
ways
Documentation
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A. Positive documentation--- that means we create
documents for everything we are doing in form of
reports
That means if the inspection is OK we make a report
saying that the results is OK
Documentation
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B. Negative documentation-- that means we create
reports in form of documents only when the findings
are NOT OK.
For findings that are positive, or OK, we sign off
that the finding was ok and that it has been carried
out according a standard procedure specified in
detail by the company
Documentation
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Documentation is vital for establishing a good
relationship with the customer
Documentation should be followed up so that the
required documentation can be delivered together
with the product delivery