scope:

OBJECT AND SCOPE

This Standard is intended to establish a common system to assist in identification of hazardous materials conveyed in piping systems and their hazards when released in the environment.

This scheme concerns identification of contents of piping systems in industrial and power plants. It is also recommended for the identification of piping systems used in commercial and institutional installations, and in buildings used for public assembly. It does not apply to pipes buried in the ground nor to electrical conduits.

Existing schemes for identification shall be considered acceptable if such schemes are described in writing and implemented so that the using-facility can demonstrate that the basic concerns outlined in this Standard are being met. For example, petroleum refineries and primary chemical manufacturing plants, in which hazardous work permit systems and emergency procedure manuals are utilized, wherein effective methods for the identification of pipe contents have been established, and wherein employees are trained as to the operation and hazards of the piping systems, shall be considered as meeting the requirements of this Standard.