Steel Has High Strength Per Unit Mass; Hence It’s Utilized In The Development Of Structures With Large Column-Free Space. The Designing Of Commercial PEB Shed Warehouse Includes Designing Of The Structural Elements Which Contains The Principal Rater Or Roof Truss, Column And Column Base, Sag Rods, Tie Rods, Gantry Girder, Bracings, Etc. A Combination Of Ordinary Hot-Rolled Sections, Cold-Formed Sections, Profiled Sheets, Steel Rods, Etc. Are Used For The Development Of Commercial Pre-Engineered Buildings. The Concept Of Pre-Engineered Building Involves The Steel Building Systems Which Are Predesigned And Prefabricated. The Idea Of The PEB Concept Lies In Providing The Section Consistent With The Need At That Spot.