The Nigerian Institute of Structural Engineers has stated that the lack of quality control, quality assurance, and structural inadequacy may have led to the recent collapse of the 21-storey building in Ikoyi.
The institute added that there was a surge in the request for structural integrity appraisal by property owners and occupiers following the collapse.
The President, Dr. Kehinde Osifala, stated the summary of the findings of the preliminary investigation during a press briefing on Monday, 15 November, Punch reports.
Osifala said: “There are clear indications of several design brief changes on the project and the engineering and management of these changes appear to have been seriously inadequate.
“The building that collapsed was initially designed for six floors, later twelve floors and further 15 floors. It could not yet be established the adequacy of any properly designed and documented further revision to the eventual 21 floors that was implemented and which collapsed.
“There are also indications that more than two structural engineering design firms worked on the project at different times.
“The preliminary investigation also revealed some evidence of structural inadequacy in the construction and that signs of some structural distress had already started to show within certain elements of the building.”
“Insurance companies are expected to insist that professionals are on the job. The government would not accept you to have a building without insurance.
“We need to educate government agencies, approving authorities and engineers and those in the built industry about the need for professionals so that you can identify what is wrong with your site.
“It is when the workers are knowledgeable enough to see the signs we are talking about, that they can alert us to what is wrong.”
Osifala added that the findings were not to jeopardize the outcomes of the more detailed investigations being organized by various professional and regulatory bodies.
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