The Cacimbas-Catu Gas Pipeline (GASCAC), part of GASENE’s Project, which was designed to connect the gas systems of the southeast to the northeast of Brazil, is the largest one constructed in the last ten years. GASCAC has a diameter of 28 inches and a length of 958km, constructed by Petrobras, one of the largest energy companies in the world. This paper aims at presenting the Construction and Assembly process of GASCAC, an ambitious project that has imposed great challenges. It also describes the strategies adopted to assure the completion of the works with quality and within the required deadline, highlighting the use of new or rarely used technologies in Brazil, such as vacuum pipe lifting, bag weights and automatic welding.

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