(Chief Officer/Chief Engineer/Master)
Time:
- Gas samples should be taken using portable gas instruments, from several depths and through as many openings as possible in order to get a good cross section representation of the compartment’s atmosphere. Ventilation should be stopped for about 10 minutes before pre entry atmosphere tests are taken.
- Only those entries marked * need to be completed for pump room entry.
- Chief Officer is authorised to sign/close the permit, ONLY for routine pump room entry/inspection.
- Copy of the permit is to be displayed on site.
- TLV-TWA for various gases – CO – 25 PPM, H2S- 5 PPM, BENZENE – 1 PPM