Progressive Collapse Analysis of Moment Resisting Steel Frame Is Presented. Structural Model and Its Analysis Executed Using Staad Pro V8 For Three Different Threat-Independent Column Removal Conditions By Following the Alternative Load Path Method. Column Removal Is Permitting to the General Service Administration (Gsa-2003) Guidelines For Estimating Progressive Collapse Potential. Results Are Shown For Recreation In Which a Critical Structural Member Is Removed.