Mosher Steel Company records on the World Trade Center, 1966-70
Collection context
- Creator:
- Mosher Steel Company, Mosher Steel Company, and Port of New York Authority
- Extent:
- 0.15 linear feet
- Language:
- English .
- Scope and content:
-
The collection documents Mosher Steel Company of Houston's participation in the construction of New York's Twin Towers. Including are 10 drawings of core columns, erector's derricks and box girders; over 40 letters and memos between Mosher and the New York Port Authority ; 2 photographs of completed steel columns ; maps and other ephemera.
- Biographical / historical:
-
The Port Authority announced the design of the World Trade Center in 1962, groundbreaking began in 1966, and tower construction started in 1968 with both of the Twin Towers completed by 1973. In 1967 the Mosher Steel Company of Houston was awarded a four million dollar contract to supply the core columns and box beams for 14 floors of each tower. Mosher shipped 13,000 tons of steel, with the largest piece weighing 55 tons. These core columns were part of the World Trade Center's innovative structural design that included a perimeter of multiple tube columns tied back to columns in the core.
Access and use
- Restrictions:
-
This collection is available for use by appointment in the Department of Drawings & Archives, Avery Architectural and Fine Arts Library, Columbia University. For further information, please email avery-drawings@library.columbia.edu.
- Location of this collection:
- Before you visit:
- Researchers are encouraged to request materials at least one month in advance. You will receive an email from the department within 2-3 business days confirming your request and currently available appointment times. Requests are limited to 8 boxes per day (or equivalent), with a maximum of 5 boxes for off-site materials, 5 folders of drawings, or 5 rolls or tube boxes.
- Contact:
- avery-drawings@columbia.edu