Welding Fabrication Standards - EWF

Welding Fabrication Standards Page 14
h) quality control arrangements including any involvement of an independent inspection body;
i) inspection and testing;
j) subcontracting; post weld heat treatment;
k) other welding requirements, e.g. batch testing of consumables, ferrite content of weld metal,
ageing, hydrogen content, permanent backing, use of peening, surface finish, weld profile;
l) use of special methods (e.g. to achieve full penetration without backing when welded from one
side only);
m) dimensions and details of joint preparation and completed weld;
n) welds which are to be made in the workshop, or elsewhere;
o) environmental conditions relevant to the process (e.g. very low temperature ambient
conditions or any necessity to provide protection against adverse weather conditions);
p) handling of non-conformance.
Figure 2 – Drawing of a pressure vessel
2 or the design and/or other internal departments when the construction is designed by the Manufacturer.
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