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34FACT NIKKEN SEKKEI     CO2 22 Harumi Island Triton Square: Achieving 22% CO2 reduction with skillful energy managementBEMSDHC3綿12 BEMS [2006]Harumi Island Triton Square BEMS Performance Report 2006DHCWith continuous efforts to manage energy using DHC and involving the wider community, Harumi Triton has made drastic improvements concerning energy, water, and waste since its completion. The highest reductions have been achieved for heat source energy, resulting from a highly efficient consumption rate of primary energy achieved with a large-scale high-capacity heat storage system. Primary energy consumption (average of office towers)2,500 2,000 20012002200320042005 Regularoffice22% reduction1,500 1,000 500 0 Elevators, etc. Outlets Cold/hot energy調 Air conditioning pump 調 Air conditioning/ventilation Lighting Majorreduction ofheat sourceGJ Year 45%recycling rate 使() Water consumption (average of office towers)20050 100,000 200,000 300,000 400,000 m3 Year Rainwater調 Air conditioning drainage water Cooling tower blow water Treated water使 Potable water consumption 57% recycling rate Waste discharge20050 500 1,500 1,000 2,000 kg Year Oil waste Dry batteries Plastic bottles Styrofoam Cans Cardboard Mixed paperOA Copier paper Magazines Newspapers Non-burnable waste Burnable waste Food scraps

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