1. This is a part of pre-commissioning activity, which ensures that there is no deformity in pipeline.
2. This is done prior to filling the line with product.
3. Magnetic PIG loaded with high capacity magnets spread uniformly with high density polythene four cup PIG is launched to remove ferrous debris, mill scale, electrode pieces etc.
4. The accumulated weight of this ferrous debris is checked after running the PIG through pipeline section.
5. When the collected weight of ferrous debris iswithin limit for specific length of pipeline section, the line is ready for launching EGP tool.