2010 FIFA World Cup
TM
FACILITY FOCUS
The façade is supported by inclined con- crete columns around the stadium
levels. The ramps follow the shape of the façade bowl – changing position from one level to the next. In addition to the sloped façade columns, the other col- umns supporting the ramps are inclined and required intricate design analysis and construction techniques.
Water and drainage systems
The domestic water supply to the stadi- um consists of a potable water system to supply to basins, sinks and showers and a separate water supply system that serves flush valves on toilets. Water is stored in two separate stor-
age tanks, located at basement level, and each with a usable capacity of ap- proximately 600 cubic meters. One tank is filled from the municipal water supply, (potable supply) and the other is filled with rainwater run-off from the interior of the stadium, which is harvested and stored in the moat which surrounded the original playing field. This moat, which was constructed to
prevent spectators from reaching the field, was covered with a concrete slab resulting in a water storage facility of approximately 3,000 cubic metres. In times of plentiful rainfall, water is pumped from the moat to the base- ment storage tank to serve the toilets, maintaining a minimum supply of rain- water in the moat for irrigation of the playing field. The pumps used for this also double as playing field irrigation water supply pumps. In times of limited rainfall, municipal
water is used to irrigate the playing field and fill the water tank feeding the toilets. Control of the system is automatic, based on water levels sensed at various locations. Domestic hot water is generated
through nine separate systems: eight of which are in plant rooms located in four quadrants of the stadium at hos- pitality suite level and one at basement
The Soccercity project team embarked on an extensive training initiative to provide the necessary skills required
level. Water is heated by low power in line electrical heaters and stored in tanks with large hot water storage capacity. In view of the large number of toi-
lets on the site, (approximately 1,100) with peak use over short periods during breaks in events, pipe sizes had to be carefully designed. In order to reduce demand on the
system during peak periods and also to conserve water, flushing of urinals is car- ried out on a programmed basis. Urinals are flushed in groups of up to seven units by means of solenoid valves in their wa- ter supply, which are activated through the building management system. The flushing takes place in sequence, with only one bank flushing at a time, thus re- ducing peaks in the water flow rate. The drainage from the stadium con-
sists of two separate systems operating in parallel. One system serves general sanitary fittings such as toilets, basins, hospitality suite sinks and urinals. The other serves all the food kiosks and kitchens, where the risk of grease and oil exists. This system takes the discharge through three grease traps, which are situated at the main outflows from the stadium, after which it joins the main sewer outflows to the external sewers.
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Transportation systems
A total of 12 elevators have been pro- vided, six being dedicated passenger elevators and six dedicated goods eleva- tors. A passenger elevator and a goods elevator are located at each quadrant of the stadium and two passenger elevators serve the VIP and admin areas on the western side of the stadium. The kitchen goods elevators were de-
signed to allow one elevator to move prepared foods from the main kitchen at basement level to supply a number of reheat kitchens at hospitality suite levels, where, on event days, the food is stored at low temperature, reheated and trans- ported to the suites. To prevent cross contamination be-
tween prepared foods and waste, a separate refuse elevator transports waste and dirty containers to the kitch- en wash-up area and waste handling section of the stadium. All passenger elevators are capable of
transporting stretcher-bound occupants to the concourse level for evacuation. Where required, hoists for disabled
spectators have also been provided to ensure that everybody, whatever their needs, will have full access to all parts of the stadium. ●
Issue 2 2010 © cybertrek 2010
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