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heatexguy, It is a violation against Client Procedures and Client rejected a waiver request to apply heat by flame/torch.

ramy123, On a butt welded joint, the capping (called the weld reinforcement). This procedure I've described, might be on a weld neck flange or other butt welded joint in order to align the piping flange properly to the equipment flange for stress free and parallel bolt-up purposes

thread292-158295 During Construction Phase and Installation of Process Piping, especially where piping flanges join up to rotating equipment, are very sensitive for alignment purposes. Some pipe spools are received from different parties (fully welded) and the pipe flange does not align properly...