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This document specifies requirements for qualification of welding operators and weld setters.
This document does not apply to personnel:
— who do not control or adjust welding parameters, or
— who do not set up welding equipment.
Annex A gives requirements for the functional knowledge of the welding unit. Annex B gives guidance on necessary knowledge of welding technology. knowledge, a third annex outlines the qualification test certificate.

This document gives requirements for defining format and content for library objects to support project inception, brief, design, tendering, construction, operations, use and demolition, supporting the development of information throughout the process, in connection with building information modelling
(BIM) and their organization into libraries.
This document:
— establishes requirements for defining template objects, generic objects and product objects in datadriven library and design processes;
— establishes requirements for graphical symbols and other graphic conventions for use on drawings for the built environment, giving principles and definitions for the symbolic and simplified visual presentation of objects. It also describes a rationale of symbolism which establishes rules for the
design of graphical symbols and other graphic conventions, and gives recommendations for the application of those rules and the ways in which symbolism should be used;
— covers purposes for characterizing the shape and measurement of library objects;
— covers purposes for specifying and assessing properties for library objects. It defines the information appropriate for specific uses including specification of the desired outcome (typically by designers and engineers) and the selection of identified products (typically by contractors and
subcontractors). It also gives recommendations for the application of assemblies in integrated BIM working.
This document is intended for all professionals and service providers who produce and use library objects with generic and product-specific data. This group includes, but is not limited to, product manufacturers and suppliers, library authors, designers and engineers, contractors, owners, maintainers and commissioners.