The main change in water consumption is due to increased use of water from our well in Erding to provide cooling power. The increase in well water is in direct correlation to the introduction of our energy annex, which houses another two cooling machines of 3000 kW capacity in total. The increased water consumption is partly compensated by the energy efficiency gains. The additional cooling system is in operation as expected and energy efficiency results are very promising, although a full year is not yet available for comparison. The current performance figure, i.e. comparison of power energy provided to cooling energy gained, is 6.09 compared to 5.52 in 2009.
Despite the overall increase explained above, some offices have seen significant improvements, like our new building in Miami, where the total consumption decreased by more than 50%, thanks to new technologies in the new building, like sensor faucets and minimal irrigation. Our office in Sydney has also seen significant improvement due to the new environmentally friendly measures implemented during the year, like water saving shower heads in the shower blocks.
In our efforts to improve resource consumption reporting, we have now included waste, since we consider important to monitor and improve performance. Even though data provided from some sites, like London or Bangkok, are based on estimations, we still consider it valuable information to establish benchmarks and objectives.
Our main sites have recycling containers in place for plastic, paper, organic material and glass. In addition all floors in our premises in Madrid have battery containers so employees can dispose hazardous waste safely without the burden of looking for specific containers outside the office. Our North American branch has joined the new programme created by the city of Miami called "Single stream Waste Management". This programme allows occupants to discard all items into their traditional waste basket. The basket is then retrieved by the cleaning crew and placed in a container provided by the city. The city collects the container and takes it to a new state-of-the-art separation process where a combination of manual and automated process classifies waste for recycling.