| |
| | The Freedom Tower: Information Modelling In Action - CBRonline.com |
 | | The observation deck, at 1,362 feet, is the same height as one of the former twin towers, while the parapet wall, at 1,368 feet, is the same height as the other former twin tower. |
 | | The first design for the Freedom Tower was revised after the New York Police Department issued new guidance insisting that the building be an average of 95 feet from West Street in order to minimise the possible risk of a car or van bomb being driven close to the building. |
 | | Though only a part of the overall tower, the subgrade is still incredibly complex in a project of this scale, not least because it includes three or four subway lines, water mains, electrical supplies, and far more. |
| www.cbronline.com /article_cbr.asp?guid=BC27A5F1-6888-4971-9ECE-86B5EE34B62E (1733 words) |
|