This document specifies the set of core reference data items which can be used to record information about process plants, including oil and gas production facilities.

The following are within the scope of this document:

—     core classes for process plants, including oil and gas production facilities;

—     information about a reference data item.

NOTE            The total set of information about a reference data item can be found in Table B.1.

The following are outside the scope of this document:

—     data requirements for additional reference data items;

—     the procedures to be followed for registration and maintenance of additional reference data items.