Abstract: The present invention has the objective of providing a method and a system for carrying out the construction, fabrication and assembly of industrial pipe, at installations that have, as a characteristic, long straight pipe lengths, including the following activities, carried out at the factory: fabrication of tubes or pipe lengths with equal dimensions (standardized), assembly and welding of the pipe supports at their definitive positions, installation of steam tracer, heat insulation and fabrication of three-dimensional spools without clearances for adjustments.