IMO resolution MSC. 380(94) - Requirement for atmosphere testing instrument for enclosed spaces

Technical: At MSC 94, an amendment to SOLAS XI-1 was made, introducing a new chapter 7. This chapter requires an atmosphere testing instrument for enclosed spaces.

The amendment enters into force on 2016-07-01, and requires the following:

  • Every ship to which chapter I applies shall carry an appropriate portable atmosphere testing instrument or instruments
  • As a minimum, these shall be capable of measuring concentrations of oxygen, flammable gases or vapors, hydrogen sulphide and carbon monoxide prior to entry into enclosed spaces
  • Suitable means shall be provided for the calibration of all such instruments. This implies that calibration shall be done in accordance with maker’s instructions and recorded.
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