Human error was to blame for the collapse of the Canterbury University Events Centre floor, an independent investigation has found.

The university commissioned the investigation after part of the floor in the $2.5 million centre collapsed during a Savage concert on Friday, July 13.

It found the structural engineering firm contracted to ''contribute'' to the design of the centre, which opened in April, did not calculate a dynamic load for the floor.

The floor was not able to support the estimated 900 concertgoers dancing on it.

So far, no firm has come forward to admit it designed the floor.

Image Construction director James Woods said his company was the head contractor and responsible for managing and co-ordinating the project, but it did not design or build the centre.

Timbercore director Kevin Barron said his company did not build the centre, but had some involvement with a subcontractor. He would not say what that involvement was.

Architecture firm Warren and Mahoney designed the centre, but executive director Peter Marshall said the firm was responsible only for the concept of the events centre and overseeing the project.

University vice-chancellor Rod Carr said: "We have appreciated the way in which our contractors have responded positively to this situation."

Work to repair the floor will being next week. The university believes it will be completed within a month.

Meanwhile, the investigation is being peer-reviewed.

No-one was injured in the collapse, but students at the concert reported people ''shoving and pushing'' for the exit.

- © Fairfax NZ News

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