DNV-ST-0378
Padeye Design: Complete DNV-ST-0378 Appendix E Guide
All five utilisation checks, DAF selection, pin hole tolerancing, and weld throat sizing — with worked examples.
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EN 10204
Material Certificates: 2.1, 2.2, 3.1, 3.2 — What Each Means Offshore
When DNV-ST-0378 and EN 13445 require 3.1 vs 3.2, what the certificate must contain, and how to call it out on drawings.
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ISO 2768
Which ISO 2768 Class Should Your Offshore Drawing Specify?
Practical decision guide: f vs m vs c vs v, and how ISO 2768-2 geometry classes (H/K/L) apply to offshore fabricated parts.
NORSOK
NORSOK N-004 vs DNV-OS-C101: When Each Applies
NCS fixed installations vs DNV-classed units — understanding the regulatory hierarchy and how to use both standards on the same project.
ISO 2553
Weld Symbols on Offshore Drawings: ISO 2553 vs AWS A2.4
The critical differences between ISO and AWS weld symbol conventions — and why mismatches between designer and fabricator cause expensive NCRs.
DNV-RP-C205
Wave Load Calculations: DNV-RP-C205 Practical Primer
Regular vs irregular wave kinematics, Morison's equation for slender structures, and how to get from significant wave height to design load.