BUILDING: Rubble Too Has Its Uses
Recent Western Cape Business News
BLACK empowered construction materials supplier, Afrimat Limited, is actively involved in the promotion and manufacturing of crushed rubble. Through its subsidiaries, Malans Quarries and Melani Materials, Afrimat has been involved in marketing crushed rubble since the early nineties.
On one of the company’s initial projects - the demolition of the Paarden Island Power Station - material was crushed and sold commercially instead of being carted and dumped at the municipal landfill sites which would have wasted vital air space.
It has not always been plain sailing for the material due to the reluctance from some quarters to use crushed rubble because of concerns about durability and its lacking track record. Divisional manager for Afrimat Cape Town Hylton Hale emphasises that this is definitely not the case as in the nearly 20 years that Afrimat has supplied crushed rubble there have been only two recorded minor failures, which were easily resolved using replacement recycled material.
This prompted the company to approach the University of Cape Town’s Civil Engineering Department in 2002 to embark on a research programme on the use of recycled aggregates in concrete and road layer works. A detailed report was compiled, outlining the use and capabilities of crushed rubble. The report demonstrated that the material is a viable option provided certain criteria such as initial raw material sorting and the exclusion of organic, plastic and other waste, is met.
Since the company has entered the recycling world, Afrimat, through Malans Quarries, has sold over 2.5 million tonnes of recycled road building material.
The company has supplied this material to some prestigious projects including the parking areas and minor roads in the Victoria and Alfred Waterfront, Grand West Casino, Somerset Mall, Westlake Office Park, Noordhoek Shopping Mall, Cape Town Convention Centre, Century City, amongst others. Afrimat has also supplied recycled material to a number of urban minor roads in townships throughout the Cape Metropolis.
Notably, the City of Cape Town has now recognised the use of recycled material in construction as evidenced in their recent tender for contractors to crush waste rubble at their landfill sites.
Afrimat Cape Town was awarded the contract and distributes and manufactures crushed concrete base and sub base from the Bellville South, Coastal Park and Gordons Bay sites.
“Crushed rubble is here to stay as it not only provides a more economical solution to road building but also plays a vital role in combating minimisation of the ever-expanding and valuable air space at our municipal landfill sites,” says Hale.
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