COSS Practice Questions - Controller Of Site Safety (COSS) - Sentinel Exam

What standard Network Rail form must all workgroup members sign after receiving the COSS safety briefing?

Form RT9909 (COSS Briefing Record) Form RT3181 (Line Blockage Certificate) Form C (Certificate of Isolation) Form TE1 (Train Entry Authorization)

Form RT9909 (COSS Briefing Record)

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