CHRYSO Southern Africa
CHRYSO CWA 10 was
used at the Temba
Waterworks Project.
CHRYSO supplied admixture to Temba Waterworks Project
Construction chemicals specialist CHRYSO Southern Africa
supplied its CHRYSO CWA 10 integral waterproofing admixture
at the Temba Waterworks Project, which is undertaken by
Group Five Civil Engineering.
Deon Klopper, technical sales consultant CHRYSO
Southern Africa, says that the contract award vindicated
a lengthy testing process that ultimately resulted in “a few
mixes and products” being approved. The most important in
this regard was CHRYSO CWA 10, an admixture formulated
specifically for water retaining structures. The total concrete
work on the project was 17 000m3, of which 14 000m3 contained
CHRYSO CWA 10 in the mix. Klopper explains that when
CHRYSO CWA 10 is added to concrete, a chemical reaction
with water results in the formation of long, narrow crystals
that fill in the pores, capillaries, and hairline cracks of a
concrete mass.
“The crystals effectively block the pores rendering the
concrete dense and waterproof, as well as maintenance free
and durable,” Klopper says. CHRYSO CWA 10 is used mainly in
concrete subjected to hydrostatic conditions.
AVK Valves opens Gauteng manufacturing facility
Danish valves producer AVK Valves, which acquired
local valves company Premier Valves in 2014, has
opened a new valve manufacturing facility located in
Alrode, in Gauteng.
The R170-million investment includes a 1 200m2
training facility, 4 500m2 office area, and 2 000m2
logistics and warehouse space.
AVK Holdings Southern Africa chairman Paul
Hubbard notes that the company has based the local
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Water Sewage & Effluent November/December 2016
expansion on global AVK factories located in America,
China, Poland and Australia. The investment by the
Danish firm has been made on the basis that the local
content designation policy of the Department of Trade
and Industry will be enforced in due course.
With funding for new manufacturing capacity facing
significant challenges, AVK Valves believes that the
opening of this plant represents the kind of investment
that remains possible despite the obstacles.