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Ash in Other Infrastructure Projects

 

Major ash infrastructure involvement 

Eskom Rotek Industries, in partnership with leading ash contractor, Ash Resources, have worked together in supplying fly ash in key infrastructure developments and projects, not only locally, but internationally as well. Eskom Rotek Industries’ fly ash has been a key product in the development of the following projects, to name but a few:

 
 
   
 
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Coega

Transnet’s R10 billion Port of Ngqura at Coega near Port Elizabeth is a world class deep water harbour that has been created from scratch over the last 9 years. Ngqura is South Africa’s 8th commercial port and the 1st to be developed in the last 37 years. During the harbour construction, Ash Resources supplied 73 350 tons of classified fly ash from its Plant based at Matla Power Station to make the 1 million cubic meters of concrete. Coega is believed to be the first project in South Africa to have “consumed” this amount of concrete.

Burj Kalifa The Dubai Burj Kalifa building, which is an enormous 828 meter high tower, is the tallest man made structure ever build in the world. Eskom produced fly ash from Ash Resources was used in the pouring of the 45 000m3 foundation concrete including 192 piles.
Gautrain
One of the largest rail projects in the world to be constructed in recent years, Gautrain has changed the face of public transport in Gauteng. Main contractor, Bombela Civils Joint Venture (BCJV), used Ash Resources’ classified fly ash in virtually all of the projects concrete mix designs. The project required 800 000m3 of concrete and 116 000m3 of grouts. BCJV created the largest precast yard in the southern hemisphere at Allandale in Midrand to deliver the high volume of large concrete castings required predominantly for the above ground work.  Gautrain’s huge viaduct segments weighed between 45 and 65 tons each.
Medupi   

Eskom’s Medupi is the first coal-fired power station to be built in South Africa in the last 25 years. Near Lephalale in the Limpopo Province, Medupi is 6 x 800MW power station and will be the largest dry-cooled coal-fired unit in the world. The concrete was mainly pumped because of the congested nature of the site where bases were being poured for a huge number of structures. Classified fly ash from Ash Resources contributed to highly effective pumpable mix designs, featuring excellent workability and good flow through the congested reinforcing without segregation or settlement.