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causing blockages. We also prevent
silt runoff on the road surfaces, as this
can be hazardous to motorists. In some
instances, we place hay bales to ensure
there are no issues, as we are committed
to managing this growing city with the
utmost care. And because Waterfall
has numerous operational teams on
the ground, there is also very little litter
lying around that can cause blockages
in the stormwater pipes,” adds du Toit.

Over and above this, as part of the
development’s wider sustainability
efforts, many of the commercial
buildings in Waterfall have rainwater
harvesting systems in place. This
includes Deloitte, with 270 kilolitres-
worth of rainwater harvesting
to ensure longevity of the road surfaces where a stormwater pipe was found storage and the Mall of Africa, with
and drainage systems around the to be leaking below the surface. 2 200 kilolitres of stored water.
commercial areas of the city. The council Before extensive damage to the road
requires compliance with applicable and manifested, the developers stepped in “A development like Waterfall takes
relevant engineering standards. All our and fixed it on behalf of the council. careful planning and consistent
designs are therefore submitted to the management across a variety of key
council for approval, and we collaborate As Waterfall grows, pockets of land infrastructure-related areas. Our
with the council’s maintenance depots become active construction sites in stormwater and water management
to maintain and ensure an effective built-up urban areas. “There is a huge processes and systems are effective
stormwater system,” he explains. emphasis on stormwater management because they are planned well
during construction. For instance, we and maintained well – and this will
An example of such collaborative cover all kerb inlets with shade net cloth remain a key focus for our world-
action was seen at Waterfall Corner, to prevent silt entering the system and class city,” concludes Redelinghuys.

Waterfall Issue 5 2022 9
W a t er fall Issue 5 2022 9