Gard gives more advice on enclosed space entry

Paul Gunton

Paul Gunton · 16 August 2019

ShipInsight


Norwegian P&I club Gard has issued further advice on enclosed space entry warning on the properties of different gases that might be present.

In its Dangerous gases – silent and invisible killer alert, Gard says, “When measuring dangerous gases prior to enclosed space entry, we need to take into account the relative weight of the gas when compared to air. For example, we need to be aware that methane is lighter than air, carbon monoxide is the same weight and hydrogen sulphide is heavier than air. This difference in molecular weight requires gas measurements to be taken at different heights of the enclosed space to ensure thorough gas measurement prior to man entry into enclosed space.

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