After conducting a search, I found that "Norsok L-002" refers to a standard document published by the Norwegian petroleum industry, specifically by the Norsk Sokkel (NORSOK) organization.

Piping stress engineers must model and simulate multiple loading scenarios using specialized software like Caesar II: NORSOK L-002 Piping Design Guide | PDF - Scribd

For a piping engineer, understanding NORSOK L-002 is more than just knowing its technical requirements; it's about understanding a philosophy of design that prioritizes operability and long-term integrity in one of the world's harshest industrial environments. To use it effectively, always obtain the official version from a certified reseller and confirm the current active edition before beginning any new project.

The purpose of NORSOK L-002 is to ensure that lifting operations are carried out safely and efficiently, minimizing the risk of accidents and injuries to personnel, as well as damage to equipment and the environment.