Tenders for Testing And Painting Of 14.2 Kg Cylinder:Scope Of Job: Job To Be Carried Out At Desired Location Of Plant Premises As Per Instructions Of Eic And As Per Attached Specification. Scope Includes Supplying Of Paint, Thinner, Primer And Other Consumables Like Teflon Tape, Screens Brush, Etc And Neccessory Tools And Tackles And Manpower Etc., Equipment To Be Used For Hydro Testing, Spray Painting Of Cylinder, Pneumatic Testing Are Provided In The Plant By The Hpcl.Surface Preparation: The Existing Painting To Be Removed By Means Of Mechanical Cleaning. This May Be Done By Scraping, Chipping, Wire Rubbing With Abrasive Paper Or Steel Wool. However The Following Sequence Of Operations To Be Carried Out Under Mechanical Cleaning:A Scraping Of Existing Paint With Hand Scraper B Wire Brushing, First With Coarse And Then With Fine Wire C Sand Papering With Coarse Sand Paper - No.3 Or Steel Wool - No.2 Or Emery Paper- No.3 Or Emery Cloth.The Above Procedure Gives A Reasonable Assurance That No Loose Mill Scale Or Heavy Rust Is Left On The Surfaceall The Cylinders Shall Be Visually Examined For Dents, Cuts, Gouges, Bulges, Cracks, Laminations, Corrosion At External And Internal Surfaces Of Cylinder As Per Is:13258. Cylinders Beyond The Acceptable Limits As Specified In Is:13258 Shall Be Branded And Declared Unserviceable. Cylinders Having Wall Thickness Less Than 2.43 Mm For 14.2 Kg Cylinders Shall Be Rejected. For Checking The Internal Surface Of Cylinders
