The requirements in this standard cover marine piping systems, machinery piping systems and marine machinery systems, which are defined as systems serving the marine systems on a offshore unit or installation and not primarily intended for operation in drilling or hydrocarbon production service or dedicated auxiliary systems. Interfaces between such systems and marine systems should be identified and a specification break defined.

Guidance note:

Piping and equipment for drilling and drilling related auxiliary systems are addressed in DNV-OS-E101.

Piping and equipment for hydrocarbon production and production related auxiliary systems are addressed in DNVOS- E201.