Converting Waste To Resource
  • South African

    Industry Leader

  • Global Certificate

    ISO 9001:2015

  • Eco-Innovative

    Hybrid Cement

  • South African

    Industry Leader

  • Global Certificate

    ISO 9001:2015

  • Eco-Innovative

    Hybrid Cement

Case Studies

Arc Technology Used at the Khobab Wind Farm

A four-star Eco-Product Label has been awarded for the low cement concrete used by infrastructure contractor Concor to build wind turbine bases at Khobab Wind Farm in the Northern Cape. The certificate was awarded by Eco Standard South Africa to the project manager Mainstream Renewable Power, the wind farm Khobab Wind (RF) and Concor, commending […]

Lekela Sustainability Report

Delivering clean, reliable energy across Africa In recognition of our impact across society and the environment, we have published our annual sustainability report which documents our activities in 2017. The report demonstrates our long-term commitment to the communities we operate in and how environmental, social and governance (ESG) performance is integrated into the heart of […]

Hybrid Concrete: Advances in Concrete Activation

Addendum A features a study conducted by Cyril N. Atwell that explores the distinct advantages of hybrid concrete based on results gathered from practical application of the products in three separate construction sites in Southern Africa since 2010. These advantages include: Lower costs environmentally. Lower costs economically. Better abrasion resistance. Lower heat of hydration. Crystalline […]

Case Study 2: Loeriesfontein Wind Farm

With using ARC technology, Murray & Roberts were able to use a water with high sulphates and nitrates as mixing water for the concrete. This water would have been considered inadequate as it is not potable and the water would have to have been transported from approximately 100km away from site, Loeriesfontein is in the […]

Case Study 1: Transnet City Deep Container Terminal 2014

On September 13, 2013, the first commercial and industrial 0% Portland cement concrete was cast in South Africa at the Transnet City Deep Container Terminal. Three large test sections were cast to review the longer-term durability, compressive strengths and abrasion resistance. The 0% Portland cement exceeded all specifications and out-performed the Portland cement concrete. The […]

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