Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

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


Round the clock concreting for Portsmouth's £21M Spinnaker Tower has begun again, after a three day pause this weekend, taking the slim core on to its full 140m height. A halt in slipforming by specialist subcontractor Bierrum was needed to change the form profile into a single core shape after the first phase had completed two 75m high hexagonal 'legs' tapering together at 2.5infinity. The purposebuilt double deck form began work on 10 March using 6t jacks to climb on 28 steel ...

Subscribe for full online access and get...

  • Full, instant access to all stories
  • Customised email alerts straight to your inbox
  • Monthly print magazine

Register for guest access to keep reading and get...

  • A free taste of other selected news stories
  • Daily email newsletters

Already have a subscription or ICE membership? or