TABLE OF CONTENTS - Khalid S. Al-Shahrani
TABLE OF CONTENTS - Khalid S. Al-Shahrani
TABLE OF CONTENTS - Khalid S. Al-Shahrani
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h) The working area shall be kept clean and safe. Used abrasive shall be<br />
removed without delay.<br />
i) Flammable casting materials shall be mixed under sufficient fresh air<br />
circulation only.<br />
j) Explosion proof agitators shall be used for mixing of flammable<br />
coating materials.<br />
k) Warning signs shall be provided for all areas where flammable coating<br />
materials will be stored mixed or applied. The sign shall define that<br />
area as hazardous zone and shall prohibit smoking open fire and<br />
welding.<br />
l) Explosion proof electrically powered equipment shall be used when<br />
using flammable casting materials (especially in confined areas)<br />
m) In closed areas ( eg inside of tanks. Etc) a sufficient ventilation shall be<br />
prohibited.<br />
n) The installation of the ventilation unit shall prevent unventilated<br />
corners. Special precautions shall be taken for all vapours heavier than<br />
air.<br />
0) The air circulation shall be so designed that the solvent vapour<br />
contents will be at least 20% below the explosion limit. The contents of<br />
solvent vapour shall not exceed 25% of the air volume.<br />
p) The ventilation unit shall be designed and installed in such a manner<br />
that condensation on the treated surfaces is prevented.<br />
8.19 SCOPE <strong>OF</strong> SERVICE<br />
Pre-Qualification Document <strong>Khalid</strong> S. <strong>Al</strong>-<strong>Shahrani</strong> Est. Page 69
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