Nigerian engineers say design of collapsed Lagos highrise altered

The 21-storey constructing that collapsed earlier this month was solely designed for six flooring, engineers in Nigeria have mentioned.

Engineers have mentioned a 21-storey constructing that collapsed in Nigeria’s industrial capital of Lagos early this month was initially designed just for six flooring earlier than extra had been added to the construction.

The high-rise construction was nonetheless underneath building within the upscale Ikoyi district of the town when it crumbled on November 1, trapping dozens of website staff and others inside.

At least 45 individuals, together with the proprietor of the constructing, had been killed, whereas 15 others had been pulled out alive from the particles, in accordance with the newest tally by the state authorities.

Although the federal government has arrange a panel to find out the reason for the collapse inside one month, the Nigerian Institution of Structural Engineers (NIStructE) mentioned variations on the unique design had been in charge.

“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,” NIStructE President Kehinde Osifala mentioned in a press release late on Tuesday.

“The building that collapsed was initially designed for just six floors, and later to 12 floors, before this was further changed to 15 floors,” he mentioned.

“It could not yet be established the adequacy of any properly designed and documented further revision to the eventual (and tragically, final) 21 floors that was being implemented and which collapsed.”

Osifala mentioned there have been indications greater than two structural engineering design companies labored on the undertaking at completely different occasions.

“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,” he mentioned.

He mentioned though some measures had been already being taken to deal with the defects, “the method of implementation of this was not in accordance with sound structural engineering practices”.

Since 2005, no less than 152 buildings have collapsed in Lagos, a metropolis of some 20 million individuals, in accordance with knowledge collected by researcher Olasunkanmi Habeeb Okunola, from the University of Witwatersrand in South Africa.

One of these incidents that notably angered Nigerians was in 2014 when dozens of individuals died in a church collapse in Lagos.


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