scope:

This standard gives guidance on writing the technical specification of fired and non-fired shall boilers for services associated with the generation of electricity in the electrical power supply industry. This includes boilers: Using solid, liquid, gaseous or derived fuels. With pulverized fuel or stoker firing of solid fuels, gas or oil firing. Providing saturated steam, superheated steam or hot water. Some of the provisions may be applicable to steam generating plant and hot water plant for other applications. The equipment and systems covered by this document is related to function rather than design type. Therefore the shell boiler plant requirements are stated in performance terms rather than being specified by a detailed description of the equipment to be supplied.