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This is an iconic structure on the Durban skyline and I hope something iconic emerges for its replacement...

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Port mulls over Durban harbour tower replacement
7 JUNE 2018, 3:00PM
ZAINUL DAWOOD


The rotating steel cowl that surrounds the Millennium Tower was removed. It was badly damaged in a storm that struck Durban South in October 10, 2017. Transnet is considering redesigning the tower. Picture by Terry Hutson

Durban- The Transnet National Ports Authority (TNPA) is evaluating the best concepts for the replacement of the cowl that surrounded the Millennium Tower on the Bluff at the entrance to the Durban Harbour.

The cowl is a rotating, steel structure that encircled the tower and gave it its architectural shape.

The cowl was extensively damaged during the massive storm in Durban on October 10, 2017.

Port Engineer Malefetsane Setaka said the cowl was designed to rotate with the direction of the wind but it had not been operational for some time. The storm, he said, had only exacerbated existing structural challenges. The tower also experienced other major structural damage, including damage to its wind vane and major leaks.

“A decision was taken to remove the cowl. Transnet National Ports Authority is evaluating the best concepts for its replacement because the previous structure, while aesthetically attractive, posed numerous maintenance challenges,” Setaka said.

Captain Justin Adams, the deputy harbour master of vessel traffic services at the Port of Durban, said Port Control employees were moved to temporary premises elsewhere because the building was deemed unsafe.

“A standby port control room was set up at the Durmarine building, using all the same technology including radars and vessel traffic services log. Initial repairs have been completed and employees moved back into their offices in the tower in April,” Adams said.

Don Albert of Sound Space Design told the Daily News that he had presented the Port Authority with a number of new structural options in May.

“They are deliberating on the options and will be making a decision soon,” Albert said.

According to the Sound Space Design website, the tower acts as a wind vane, and the cowl revolved in response to wind direction.

A yellow collar on the central spire moves up and down as an indication of the changing tide. A series of pulsating strobes indicates whether the tide is incoming or outgoing. At night, colours within the cowl change according to an algorithm driven by the tide, wind-direction and humidity.

This luminosity, combined with the red and green signal lights on the tower, provided Durban with an ever-changing spectacle.

Daily News

Source: https://www.iol.co.za/dailynews/news/port-mulls-over-durban-harbour-tower-replacement-15360397
 

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It doesn't seem like it is being fully replaced. The metal cone is gone, but it will be replaced with something. I don't think the concrete base structure is to go
 
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