Enclosed space entry

The entry operation

When working in an enclosed space, it’s essential that a robust procedure is followed at all times to guarantee everyone’s safety. The importance of following procedures cannot be overstated, as they have been developed and verified by knowledgeable people.

  • Film: #2509.02
  • Revision: 4.00
  • Published: 3/15/2017 12:00:00 AM


Legislation & references

  • STCW A-VI/1-4 + relevant parts of A-II/5, A-III/5 and A-III/7 + A-II/1, A-II/2, A-II/3, A-III/1, A-III/2, A-III/4 and A-III/6
  • COSWP Ch15
  • ILO Code of Practice on “Accident Prevention on Board Ship at Sea and in Port” ch10.
  • IMO Resolution A.1050(27).
  • ISGOTT CH10 + refs in chs 2, 7 and 14

Learning Objectives

  • Describe the procedures to be followed while personnel are working in an enclosed space
  • Describe the monitoring equipment used whilst in an enclosed space
  • Identify the role of personnel at the entrance to an enclosed space
  • Describe typical communication arrangements while personnel are working in an  enclosed space
  • Identify other possible problems when working in an enclosed space and the procedures necessary to manage them
  • Identify the limitations of an Enclosed Space Entry permit


English, Chinese, Spanish, French, Korean


15 minutes


  • Exmar Ship Management
  • Maersk Tankers

Related Information

Operation and Safety

- Generic

Target groups

  • Deck - Management
  • Deck - Operational
  • Deck - Support
  • Electric - Operational
  • Electric - Support
  • Engine - Management
  • Engine - Operational
  • Engine - Support
  • Support Galley