The husband of one of those killed in Christchurch's CTV building may take legal action against those thought to be primarily responsible for its collapse.
Final submissions wrapping up eight weeks of hearings, will continue today.
Counsel assisting the commission Stephen Mills pointed the finger yesterday at the lack of experience and incompetence of design firm Alan Reay Consultants and lead building designer David Harding - as the main cause of the collapse.
He said David Harding never should have been in the role of lead designer, and in fact the firm never should have accepted the job in the first place, because it had no-one with multi-storey building experience.
This morning Alan Reay's lawyer Hugh Rennie will present his final submission, and is expected to lay ultimate responsibility for the design failures on Mr Harding.
Maan Alkasai, whose wife was one of the 115 killed, says while the commission can't determine legal liability - he hasn't ruled out going down that path.
"My next task is to make sure that this will not happen again and that could be interpreted by different ways."
Mr Alkasai says there are many people who have a lot to answer for.
"How this building with so many deficiencies passed so many engineers without being noticed -it is either all those people are incompetent or there is a cover up."
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