DGUV Information 213-013e - SF6-Switchgear and Equipment

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Abschnitt 3.4 - 3.4 Equipment room work (fault-free operation)

For all activities in equipment rooms, the possible dangers, in particular in the event of faults, must be pointed out as part of instruction. No special protective measures with regard to SF6 or decomposition products are required in fault-free operation.

Work activities performed in equipment rooms include the operation of SF6switchgear, the maintenance of lights, cleaning work, painting work, etc. There are no activities with SF6.

Where necessary, warning must be given of the possible risk of suffocation at all access points to hazardous rooms in the form of the W001 warning sign "general warning sign" and an additional sign with a written warning.

Refer to Annex 1 of German workplace regulation A1.3 "Safety and health protection signage" ("Sicherheits und Gesundheitsschutzkennzeichnung")) (ASR A1.3).

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Warning signage may be necessary in equipment rooms in which the largest volume of SF6able to escape constitutes more than 10 % of the room volume, or in rooms beneath equipment rooms.