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Folder label / City-provided: SK'S FOR PENETRATION AT BEAMS ON 7TH. FLOOR AS PER YOUR REQUEST.
1 documents · 1 pages
Engineering sketches for beam penetrations, 7 WTC, Dec 1998 ↗
1 pagesNYC-WTC_000171807
Fax transmission of structural sketches supporting change order number 23 for beam penetrations on the seventh floor.