Only approved material by COMPANY will be used for sand blasting. Particle size and abrasive type shall be as per paint manufacture’s recommendations and specifications.
The abrasive shall be dry and free from oil, grease, dust and other impurities. Re-usable abrasive shall be clean and capable of removing rust.
Sand blasting shall not be permitted where adjacent equipments are not properly protected from contamination by abrasive dust or debris.
Sand blasting shall not be permitted in areas close to painting operation to prevent contamination of painting by dust and grit.
All organic substance such as oil, grease and other contaminants on the surface of materials/equipment to be painted shall be removed in accordance with specification prior to sand blasting operations.