The forensic analysis regarding the partial destruction of the Morris Heights tenement centers on a singular, catastrophic calculation error. Richard Koenigsberg, the professional engineer of record, committed a classification mistake that defied basic statics. His assessment labeled a primary weight carrying pier as a decorative element. This designation authorized the removal of the support without temporary shoring. The resulting failure sequence began immediately upon the deletion of this structural member. Gravity acted instantaneously. The northeast corner of the six story edifice descended in seconds. No redundancy existed to arrest the vertical shear. The data trail from June 2023 through the December 2023 incident demonstrates a complete breakdown in verification procedures. The Department of Buildings (DOB) investigation concluded that the misidentification of this column was the proximate cause of the event.

Engineering documents submitted to municipal authorities depict the flaw. The filings identified the relevant brickwork as non structural. This assertion contradicted the physical reality of the 1927 construction. The masonry in question supported steel beams carrying the floors above. Koenigsberg failed to perform invasive probing sufficient to confirm his hypothesis. Visual inspections proved insufficient for a determination of this magnitude. The reliance on surface appearance over calculated load paths represents a deviation from standard engineering care. The decision to permit demolition of the pier ignored the clear transfer of forces from the roof down to the foundation. This oversight triggered the chain reaction.