SCE group PC013SCE group title

Appendix 3 - Guidance on SCE groups and minimum performance assurance levels
EP 2009-9009
Restricted
41
SCE group listing (continued)
SCE goal
Typical equipment types
Description
Minimum level
SCE group IC001
SCE group title Hazardous Area Ventilation
Hazardous Area Ventilation systems including all equipment to prevent accumulations of flammable or harmful gas.
To prevent the formation of potentially hazardous concentrations of flammable and/or toxic gaseous mixtures in hazardous areas by providing adequate ventilation to dilute,
disperse and remove such mixtures to a suitable location Fans Dampers Ducting Associated instrumentation and alarms Natural ventilation openings
At system level
SCE group IC002
SCE group title Non-hazardous Area Ventilation
Non-hazardous area ventilation systems, including all equipment to prevent the ingress of flammable or harmful gas.
To prevent the ingress, or buildup, of flammable gas-air mixtures or life threatening atmosphere into nonhazardous areas Fans Dampers Ducting Associated instrumentation and alarms Emergency cooling systems
At system level
SCE group IC003
SCE group title Certified Electrical Equipment
Certified Electrical Equipment in hazardous areas.
To minimise the likelihood of ignition from electrical equipment in hazardous areas Electrical motor including protection circuits installed to prevent overload of electrical equipment Lighting Instrumentation All other certified electrical equipment
Motors: at item level
Other: at system/area level

Download 494.83 Kb.

Share with your friends: