constructing a tower of this magnitude wasn't easy engineers and Architects faced the daunting task of creating a structure that could withstand any Potential Threat the project was led by David Childs of Skidmore Owings and Merill one of the world's leading architectural firms with tishman construction as the contractor known for their work on some of the world's most significant structures the building's Structural Engineering was handled by wsp caner sin who ensured that every detail met the highest standards of safety and durability the core of the building is made of reinforced concrete designed to be blast prooof and capable of withstanding pressures up to 14,000 lb per square in this robust structure not only houses the building's elevators but also includes emergency staircases and essential Services making it one of the safest buildings in the world the design and safety measures far surpass those of the original Twin Towers setting a new standard in skyscraper engineering