Architect and Builder Dec 2017 / Jan 2018 | Page 89
where possible within the site. The adopted
building massing is designed to sustain the natural
light reaching all streets. This approach supports
the trees surrounding the site, sustaining the
greenery and ecology in the city and providing
natural shading in the summer.
Projecting canopies at street level ensure all
year weather protection for pedestrians and
create solar shading to the extensively glazed
Tsogo Sun
shop fronts at street level. Sustainably protecting
these areas from excess solar gain reduces the
demands on artificial cooling.
In contrast to the fully glazed façade approach,
windows in the hotel are located within a generally
solid façade to focus views while maintaining a
passively sustainable building envelope. These
windows are double-glazed with SolarVue solar
control glazing. This limits heat loads on the
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