Ships operation- enclosed space procedure
What is enclosed space?
An Enclosed Space is defined as a space that has the following characteristics, where is an unsafe oxygen level and/or toxic gas or other vapor
Limited openings for entry and exit
Unfavorable natural ventilation
Not designated for continuous worker occupancy
It would include Oil and water tanks, Closed cargo holds, Cofferdams, Duct keels, Void spaces, Pump rooms in Oil tankers and the like.
Permit To Enter
Entry is only permitted when the atmosphere has been proved to contain
Oxygen content 21% by volume
Hydrocarbon vapor concentration less than 1% LEL
No toxic or other contaminants
Masters permission
The Master shall ensure the Chief Engineer or Chief Officer shall complete the checklist of Enclosed Space Entry Permit ....
EEBD shall not be used in place of the SCBA, in an emergency condition.
Closing Procedure: After confirming all is secured and all persons who had been entered the enclosed space are evacuated, the master shall enter the time of closure of permit and retain onboard for onboard filing purpose.
Permits duration of the validity :
The Entry permit should be issued immediately before the work is to be performed. The duration of their validity shall not exceed 24 hrs.
Related Topics
Risk assessment prior entering in an enclosed space
What is enclosed space and what is risk assessment prior entering such space? ....
How to rescue a person from enclosed spaces ? ....
What are the emergency procedures for stowaways? ....
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