Pre-Engineered Buildings (PEB) – Oriental PEB Steel structure buildings design includes the construction of foundations, beams and floor systems. These buildings' design begins with the construction of its foundation. In short, the structural design includes the investigation of stability, strength, and rigidity of structures. The primary and main purpose of a structure is to transmit or support loads. Steel structural building design project is divided into three phases of planning, design, and construction. Structural design first involves establishing loading and other design conditions, that are supported by the structure and must be considered in its design.