Unsupported browser

For a better experience please update your browser to its latest version.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

STRUCTURE

  • Comment

The existing building consists of traditional filler joints, floor slabs supported on steel beams with cast-iron columns internally and loadbearing masonry walls externally. Floors generally span 4.0m with columns at 4.0m or 8.0m centres. A survey of the building and load testing of the floors established the extent of remedial/strengthening works required. Proposed alterations included the replacement of the main spine wall by rigid steel frames which incorporate circular hollow section columns to mimic the existing iron columns. The complexity of the connections, and the need to infill the hollow sections with reinforced concrete to provide the required fire resistance, dictated the extensive use of site welding in the fabrication process. Three floors were removed from the main tower to allow for a helical stair leading to the new viewing platform. Floor slabs ...

  • Comment

Have your say

You must sign in to make a comment

Please remember that the submission of any material is governed by our Terms and Conditions and by submitting material you confirm your agreement to these Terms and Conditions.

Links may be included in your comments but HTML is not permitted.