
The Telstraclear Pacific
Events Centre is a very unique design with a very complex roof
structure. To build a project of this nature requires considerable
planning and a high degree of skills in detailing, fabrication and
erection to achieve the accuracy that is required to make it work.
When Mainzeal Construction chose us for the project, we were very
pleased to take up this challenge. It was important for us to
fabricate as much steel as possible off-site in a controlled
workshop environment to maintain the high degree of accuracy
required. As our workshop is relatively close to the site, we chose
to fabricate assemblies within the limits of what we could
transport, which meant we transported loads at night up to 13
metres wide and 12 metres high. In conjunction with Mainzeal, it
was agreed that we would complete the Main Spine to the roof in a
temporary position off to one side, to help speed up the programme
and to avoid erecting at height over other construction activities.
This therefore created another challenge in lifting and shifting a
structure that is 140 metres long weighing approximately 150 tonnes
into a final position. This will be done utilising large cranes and
trucks with special fabricated support structures, and has been
co-ordinated to happen on a specific day in July.
This lift is being touted as possibly the largest single lifted span in NZ history, something which Grayson Engineering Ltd is particularly proud to be associated with.