27
CONSTRUCTION WORLD
OCTOBER
2014
PROJECTS AND CONTRACTS
Liviero CEO Neil Cloete reveals that the
five-storey office block’s striking new
look includes a gleaming glass façade
that was one of the challenges of this project.
“The unitised glass façade was fixed from
the inside of the building, off the existing slabs,
without the need to erect access scaffold
around the façade. This meant that basement
work could continue below during the façade
installation, saving the client time and money,”
he explains.
Outlining the complexity of the glass façade,
Liviero Building MD, Brad Boertje states that
it comprises 792 panels that each consist of
an aluminium frame with toughened glass
attached to it with structural silicone. “On the
ground floor, the glass façade was clad with
three panes of glass per panel, utilising Eclipse
Advantage grey toughened glass. The other
floors had two panes of glass per panel, and
these floors were clad with Cool-lite ST120
sterling silver toughened glass. There are a total
of 1 848 panes of glass,” he adds. “The viewing
panes were treated with a low-e coating
to enhance the glass’s thermal properties.
The other panes were backed with a lambda
insulation panel closed off with an aluminium
backing pan.”
To install the panels –whichmake up a total
3 000m
2
of glass – they were lifted on racks into
the building utilising Liviero’s loading platforms.
They were then individually placed on trestles
into a horizontal position and prepared. Each
panel was then hoisted out of the building and
into place. Specialist subcontractor Centurion
Glass & Aluminium Fenestrations had designed
and built a purpose made winch for this exer-
cise, Boertje explains. The glass panels are all
1 200 mmwide but vary in length. The longest
panel is 4 837 mm long and weighed 320 kg.
RISING TO FA
Ç
ADE CHALLENGE
Liviero has completed its contract to
extend and upgrade a Sandown Valley
Crescent office block for client Zenprop
and new tenant Sun International.
A R97-million contract to extend and upgrade an office block in
sought after Sandown Valley Crescent has been completed by
multidisciplinary construction group Liviero. It was undertaken for
client Zenprop, and the building’s new tenant is Sun International.
The Liviero teamworked seven days a week for
seven months on this high profile project, and
the end result is a shimmering new Sandton
landmark, Cloete concludes.
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The surge chamber.
their historic nesting ledges, causing Eskom
to construct a massive artificial nesting site
to compensate for the loss of their originals,”
he explains.
The dam is expected to fill to capacity
during 2015 for the first time and the hope
is that before then the birds will discover
the new nesting site themselves. Several
dummies were placed in the new site to
entice them to relocate. The change in
habitat due to the construction of the dams
is being monitored by conservation staff and
already new species are moving into the
area such as spoonbill and flamingo.
The tailrace tunnel lining.
The intake tower – July 2014.
Anticipated completion and operation of the
first of the four pump/ urbines is expected by
May 2015 with the remaining units coming
on stream over the following 12 months.
