![]() The lifeline shall successfully pass an approval test by statical load of 3.5 kN for 5 min without failure. All air cylinders for breathing apparatus shall be interchangeable.Ģ.1.2.2 Compressed air breathing apparatus shall be fitted with an audible alarm and a visual or other device which will alert the user before the volume of the air in the cylinder has been reduced to no less than 200 l.įor each breathing apparatus a fireproof lifeline of at least 30 m in length shall be provided.
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