After eight long years, the iconic Christchurch Town Hall is back.
After eight long years, the Christchurch Town Hall is back - opening to the public on February 23rd. A live performance from Shapeshifter together with the Christchurch Symphony Orchestra followed on March 1st, signifying yet another milestone in Christchurch’s spirited resurgence.
But how did we get here? Tonkin + Taylor undertook some shape-shifting of our own with our geotechnical team seizing the chance to showcase their talent. Over 25 staff have worked on the restoration since March 2011 - a technically challenging problem, as the foundations beneath the building had settled and stretched, but the majority of the building remained intact.
Using ground-breaking techniques (literally), our innovative foundation design used 1100 underground cement-mix columns to help stabilise the soil, and protect the building from future earthquakes. The work required a delicate touch, as the concrete was jetted seven metres into the ground from inside the auditorium - an architectural and acoustic masterpiece.
Watch our senior geotechnical engineers, Kirsti Murahidy and Mike Jacka explain more in this video.