8 PRECAST VOLUME 5 • ISSUE 1 • MAY 2011
MoBicast Ð multi-tasking WitH Precast concrete CMA producer member, Mobicast, has once again demonstrated its versatility in the production of diverse precast concrete products. The southern Cape producer recently completed two very different fasttrack projects simultaneously. These involved the casting of the 300 concrete weight collars for Mossel Bay’s new desalination plant and supplying 7 000m² of concrete block paving (CBP) for the parking lot of the newly extended knysna Mall.
Precast concrete collars, manufactured by Mobicast and installed at the new desalination plant in Mossel Bay.
Mobicast’s new cobble stone pavers seen here at the new Knysna Mall parking lot.
stone paver with a very smooth “natural
Mobicast managing director, Chris
Van Zyl said steel reinforcing on the col-
van Zyl, says the projects represent two
lars was complex and the real challenge was
contrasting sides of the precast concrete
maintaining concrete cover during casting.
“The development work on the cobble
market, the artistic and architectural
“ T h e f inish e d p r o du c t r e quir e d a
stones took a considerable amount of
versus highly technical civil engineering.
tolerance of 0 – 3mm on the collars’ inner
lead time; for instance we had to make
“However, the common factor linking
radii. Mobicast used self-compacting
up special moulds and this placed our
the two projects were extremely tight
concrete which was poured very carefully
production facility under tremendous
pr o duc tion sche dules. B o th se ts o f
to achieve the desired quality. Despite this
pressure. To meet our deadlines, we placed
pr oducts wer e manuf actur ed at our
the project was completed well within the
our cobble stone production plant on a
modern production facility at great Brak
24-7 basis and used steam curing as well.
Approximately half the knysna Mall
This enabled the moulds to be stripped
parking area was paved with Smartstone’s
every six hours. needles to say, the
The concrete weight collars weighed be-
50mm Paduan paver (Mobicast is
project was completed on time at very
tween 1,3 and 2,7 tons each and were pro-
SmartStone’s franchisee in the Southern
high quality standards.”
duced to a strength rating of 40MPa, which
Cape); and the other half was covered with
is suitable for extreme marine conditions.
a new Mobicast 150 x 150 x 73mm cobble
River, situated between george and Mossel Bay,” said van Zyl.
for further enquiries call 044 874 2268 or see www.mobicast.co.za.
BosUn aDDs tWo neW toPPing coLoURs to Paving range
are carefully sourced and graded, and this
one of the most memorable South African
equipment allows us to not only produce
Blended colours, which vary from paver
advertising slogans of all time is: “it’s not
unique colours, but also facilitates some
to paver and create a uniquely random,
inside, it’s onnnnn top”.
of the smoothest dry-cast concrete pav-
organic effect, comprise:
Bosun CEo,David Wertheim Aymes, c oncur s, his c omp any ha v ing
ing finishes available,” explains Wertheim Aymes.
yields products that not only comply with, but in most instances exceed, current SABS specifications.” The Bosun CBP now boasts 10 colours.
• Autumn • Multi
released two new topping
“We consider our CBP
colour s to its ex tensi ve
topping to be a r eal market
r a ng e o f c o n c r e t e b l o c k
di f f er entiator. We have spent
many years testing and developing
Dubbed granite and Marble, the
our pr oducts in or der to f ind the
Solid colours comprise:
colours were launched after extensive
per f ect topping mi x tur es and will
testing. Considerably lighter
continue doing so. Apart from
than the other blended
the obvious aesthetic benefits,
colours in the Bosun r a n g e, t h e y a r e m a d e with imported cement in a state-of-the-art blending facility. “our german block manuf acturing
our toppings also offer superior abrasive resistance.
• Brown • Red or terracotta
“However, this does not mean our uncoloured, rough concrete finish pavers are neglected. our aggregates
Visit www.bosun.co.za for more details or phone 011 310 1176.
Quality Cast in Concrete The Official Magazine of the Concrete Manufacturers Association