scope:

This NORSOK standard covers the basis for fabrication, installation, flushing, pressure testing, chemical cleaning, hot oil flushing and system colour coding of process, drilling and utility piping for offshore oil and/or gas production facilities.

This NORSOK standard does not cover the following:

• all instrument control piping downstream of first piping block valve;

• subsea pipework and risers;

• flexible hoses;

• sanitary piping systems within living quarters and other domestic areas, see NORSOK H-003;

• GRP piping;

• marine systems in hulls of vessels and floating platforms and land based plants.