High Quality painting of Structures, Equipment and Piping Systems to avoid corrosion is essential for long life of a constructed plant. Various types of markings are also required to be painted all over the part of the plant.
| Clause | Details |
| PNT-FAB-001 | Painting Specification is prepared by Material Engineer to assure high quality painting work on the project as per international standards. |
| PNT-FAB-002 | Painting includes surface preparation, selection of paints, application of paints on external surface of piping and equipments. |
| PNT-FAB-003 | Un-insulated carbon steel pipes, fittings, valves, special items etc. require painting. |
| PNT-FAB-004 | Carbon steel ducts, furnaces and stacks require painting. |
| PNT-FAB-005 | All un-insulated equipments like columns, vessels, drums, heat exchangers, pumps, compressors, electrical panels, motors etc. require painting. |
| PNT-FAB-006 | All structural componets like steel members, platforms, ladders,handrails etc. required painting. |
| PNT-FAB-007 | Identification marks, color bands are also required to be painted. |
| PNT-FAB-008 | Painting over insulation cladding is required. (Marking). |
| PNT-FAB-009 | In some cases, painting under insulation also required for carbon steel piping. |
| PNT-FAB-010 | Plastic or plastic coated components do not required to be painted. |
| PNT-FAB-011 | Non-ferrous materials like Aluminium are not required to be painted. |
| PNT-FAB-012 | Final painting shouldbe done only after all tests are performed on the piping system. |
| PNT-FAB-013 | Various international codes and standards should be followed for painting. |
| PNT-FAB-014 | Surface preparation is critical to ensure clean surface so that paint film adheres securely to the surface. |
| PNT-FAB-015 | Various methods of surface preparation are used like Hand Tool Cleaning, Power tool, Blast Cleaning etc. |
| PNT-FAB-016 | Environmental factors such as Rain, Wind, Temperature, Humidity must be considered while painting. |
| PNT-FAB-017 | Normally primare should be applied within 4 hours of surface preparation. |
| PNT-FAB-018 | Paint is applied using brush, air spray equipment etc. as per relevent standards. |
| PNT-FAB-019 | Proper documentation regarding painting process must be maintained by the contractor and submitted to the client. |
| PNT-FAB-020 | Field safety and hygiene must be maintained at all times during painting work. |
