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The Manor House
(Bosjes Herehuis)
used to form the reinforcing for the shotcrete.
The smooth exterior finish was created with Sika
Monotop, which was painted.
Although it gives the appearance that the Chapel
roof lightly touches the ground at four points, the
complete roof is actually supported by four hidden
reinforced concrete buttresses and the vertical load
on each of these supports is close to 50 tonnes.
Challenges
The biggest challenge was the construction
methodology and detailing of the Chapel roof
and glass façades. Early research found that such
an intricate shape had never previously been
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constructed in South Africa. A viable construction
solution had to found that would be suitable for
the Worcester climate and TV3 had to be realistic
regarding skill and workmanship in the South
African building sector. They realised hat it would be
a challenge for the team to ensure that the design,
together with the pre-contract documentation
and detailing, were successfully transferred into
building form and within the budget.
Construction Challenges
Main Contractors, Longworth & Faul, experienced
some construction challenges unique to the design
of the chapel:
Bosjes Estate