MASTER`S GUIDE TO: ENCLOSED SPACE ENTRY
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<strong>MASTER`S</strong> <strong>GUIDE</strong> <strong>TO</strong>:<br />
<strong>ENCLOSED</strong> <strong>SPACE</strong> <strong>ENTRY</strong><br />
PAGE : 15 of 60<br />
DATE : 01.07.14<br />
PREPARED: MAR<br />
EDITION : 1.0<br />
Flammable atmosphere<br />
Two things make an atmosphere flammable:<br />
• the oxygen in the air; and<br />
• a flammable gas, vapour, chemical reaction, or dust in a particular mixture<br />
If a source of ignition, say a sparking or electrical tool, static electricity, or sand blasting, is introduced into a<br />
space containing a flammable atmosphere, an explosion will result. An oxygen-enriched atmosphere will<br />
cause flammable materials, such as clothing and hair, to burn violently when ignited. Some bulk cargos may<br />
produce toxic dust which also will represent an explosive hazard, especially during cargo handling and<br />
cleaning.<br />
Typical ignition sources:<br />
• sparking or electric tools<br />
• welding and cutting operations<br />
• smoking<br />
• electrical lighting<br />
• equipment in poor condition<br />
MARISCON GROUP 01.07.2014
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