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Wide range of products for major Eastern Cape hospital project

by Darren
Wide range of products

Chryso SA and its sister company, a.b.e. Construction Chemicals, are providing a wide range of essential products from its Port Elizabeth and East London operations for the upgrading of the Cecilia Makiwane Hospital in the Eastern Cape.

 

Chryso SA and its sister company, a.b.e. Construction Chemicals, are providing essential products from its Port Elizabeth and East London operations for the upgrading of the Cecilia Makiwane Hospital in the Eastern Cape.

The seven-phase Cecilia Makiwane construction project at Mdantsane, East London, includes the provision of a new 46 500m² double-storey main hospital building, a nursing college, a new 150-bed step-down facility, a 100-bed psychiatric unit and the upgrading of the current hospital into a 350-bed facility.

The main contractor for the multi-million rand project – at present about half completed – is the Stefanutti Stocks/CMH Joint Venture. It is one of the largest construction projects currently in progress in the Eastern Cape. Gareth Catherine, technical sales consultant for a.b.e. Construction Chemicals in the Eastern Cape, says the project is so big and intensive that a.b.e. has to be on site almost weekly.

“The a.b.e. products primarily being supplied to Stefanutti Stocks so far cover a wide range, including brixeal, plastergrip, duralatex and durarep, to name just a few. The contractors have placed a bulk order with a.b.e. and we constantly ‘top up’ the supplies as required,” Catherine explained.

a.b.e.’s brixeal is a multi-purpose bitumen emulsion which can, for example, be used as a waterproofing barrier or as a concrete-curing agent. Plastergrip is a blend of synthetic polymers and additives designed to enhance the bond of cement screeds or renderings to concrete surfaces. The company’s duralatex is a synthetic resin polymer which improves the quality of site-batched cementitious mortars and slurries, while durarep is a rapid-setting cement-based powder that curtails water seepages.

“The contractor seems exceptionally pleased with the performance of the a.b.e. products, our delivery schedules and the relationship we have established with Stefanutti Stocks,” Catherine added.

For the Cecilia Makiwane Hospital project, an extensively wide range of Chryso SA admixtures is being used by the concrete supplier, Concrete 4U, to enhance the performance of the concrete it provides to Stefanutti Stocks.

Patrick Flannigan, commercial sales manager for Chryso SA in the Eastern Cape, says ChrysoPlast Omega 135, ChrysoAir 7, ChrysoStab 2 and ChrysoTard CE are amongst the admixtures being supplied.

“ChrysoPlast Omega 135 is one of Chryso’s acclaimed ‘new generation’ plasticisers, and for this project it is an important component of the concrete mixture to compensate for the indifferent quality of aggregates available in the area. The admixture also helps to maintain workability while placing the concrete, and to reduce the water content of the mix, minimising shrinkage, and improving the rheology of the concrete,” Flannigan states.

ChrysoAir 7 is an air-entraining admixture for mortar which improves workability and also minimises segregation in pre-mixed mortars. Two Chryso SA retarders are being used by Concrete 4U: ChrysoStab 2 for mortar applications and ChrysoTard CE to delay the setting time of concrete.

“Chryso SA is also supplying the environmentally-friendly concrete stripper, Barracuda, that we distribute in South Africa to Stefanutti Stocks/CMH as an eco-friendly alternative to hydrochloric acid for cleaning concrete moulds and shutters. Barracuda – part of the Syntech range of ‘green’ acids – is a non-corrosive stripper with the capacity to dissolve almost 15% more concrete than hydrochloric acid. It can also be used to clean stains and efflorescence on bricks and is totally safe for humans, animals and plant life,” Flannigan explains.

Stefanutti Stocks/CMH is also using the Chryso curing agent, ChrysoCure Acrylic, to expedite the concrete curing process at the Cecilia Makiwane Hospital.

The architects for the project are The Hospital Design Group and Raleigh Keating Architects, and the consulting engineers are UWP.

Chryso SA
Tel: (011) 395 9700
Website: www.chryso.com

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