Perencanaan Pipe Rack Struktur Baja dengan Metode LRFD (Load Resistance and Factor Design) ANSI/AISC 360-10 pada Sistem Perpipaan Air Separation Plant

Abstract

The piping system designed to convey Cooling Water Return, Cooling Water Supply, and Nitrogen
Gas in a specific area considers pipe design in the constraints of limited space. Thus, the pipes are designed
with BOP (Bottom of Pipe) elevations of +2600 mm and +4800 mm. To accommodate these heights, a steel
structure pipe rack is required. Pipe rack steel structure design are conducted according to ANSI/AISC
360-10:2010 standards using STAADPro Edition 22 software for steel structure analysis employing the LRFD
(Load Resistance and Factor Design) method. For that pipe rack design requires analysis and determination
of the W-shape steel structure profile that can be used in order to get optimal result in terms of technical
strength, stable, serviceable, and durable. This final project aims to obtain an optimal W-shape steel structure
profile from a technical perspective and in compliance with applicable standards. From the analysis results
obtained the optimal pipe rack design is W-shape 6X15, with filler metal E7015 for welding joints using the
SMAW process, and a base plate measuring 25.5 cm x 25.5 cm with a thickness of 1 cm, featuring 4 anchor
bolts with a diameter of M18 and a minimum length of 30.6 cm.