What are factors taken into account while entering enclosed space or confined space ?

TESTING
  1. Are the instruments used in atmospheric testing properly calibrated?
  2. Was the person performing the tests a certified Marine Chemist, Competent Analyst, or equal, or a (competent) person designated by the facility or vessel management to so?
  3. Was the atmosphere in the confined space tested?
  4. Was Oxygen at least 19.5% – not more than 21%?
  5. Were toxic, flammable, or oxygen-displacing gases/vaporspresent?
    • – Hydrogen sulfide
    • – Carbon monoxide
    • – Methane
    • -Carbon dioxide
Points to pounder are :

Checklist for enclosed space entry :

Section 1 – PRE-ENTRY PREPARATIONS Yes No
1* Has  a formal  risk assessment been prepared and  discussed by the personnel entering the space ?
2* Pre-entry atmosphere test readings ( using portable monitors )                             Tested  By :-

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