Control systems in the process industry. Electrical and instrumentation loop check Ingestion-build-59651 BS 5304:1988

BS 5304:1988

Annex A gives a number of standardized supplementary requirements which apply only when specified

Pressure seals

or consumer to assess equipment are given in Annex A

the release of dangerous substances

Control systems in the process industry. Electrical and instrumentation loop check Ingestion-build-59651 BS 5304:19881 Scope This International Standard describes the steps recommended to complete a loop check, which comprises the activities between the completion of the loop construction (including installation and point to point checks) and the start up of cold commissioning. This standard is applicable for the construction of new plants and for expansion retrofits (i. e. revamping) of E&I installations in existing plants (including PLC, BAS, DCS, panel mounted