What aspects are reviewed in the pipeline material table?

The main items to be reviewed are as follows: 1. Quality certificates for various types of pipes; if administrative permits are required, such permits must be provided, and if type test requirements apply, type test reports must be submitted. 2. Type test reports for various types of valves, fittings, and flanges; if permits are required, those permits must be provided. 3. Quality certificates for various welding materials; where permits are required, such permits must also be provided. For the materials listed above that fall under the scope of regulatory controls, the relevant regulations must be followed – for example, the stamping requirements specified on the quality certificates. In the case of pressure pipeline components, it is necessary to comply with the requirements set out in the regulations regarding the manufacturing of pressure pipeline components as well as the rules for type testing of such components