Fire extinguishing installations and equipment on premises. Foam systems - Specification for medium and high expansion foam systemsBS 5306 6. 2: 1989 specifies requirements and gives recommendations for the design, installation and maintenance of fixed and semi fixed systems; ancillary portable or transportable equipment provided as part of a pre planned scheme for applying medium and high expansion foam to fires in buildings, industrial plant and storage facilities. Application rates are specified for medium expansion foam to flammable liquid fires, and for high expansion foam

In BS 5131-1

specifies requirements

BS EN ISO 12100-1 defines basic terminology and methodology used in achieving safety of machinery

then the principle is given in this document

square and hexagonal bar

it specifies the chemical composition and the mechanical properties

PD 5500 does not exclude vessels subject to electrical heating or heated process streams

BS EN 10277-4 is complemented by BS EN 10277-1

and maintenance of software products

When documents are developed containing additional guidelines or controls

Dimensional requirements

and requirements