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Building/ Dialog with the natural environmentWind and natural ventilationTheCommunication Well,a three-story space linkingoffice floors and stimulating communication.Taking in pleasant natural wind can create acomfortable environment to be in.Using natural ventilation methods cuts theenergy expended on air conditioning,gradually limiting the warming of the globalenvironment.The super highrise office space is naturally ventilatedKansai Electric Power Company BuildingThis building was planned around four design themes, all based on the conceptofa model building for coexistence with the environment.Facade composition in deep relief The exterior configuration, comprising beams and columns to form deep eaves overthe outer walls, is dubbed theEco Frame.It reduces the insolation load, and drawsin the breeze from the Nakanoshima river side through the ceiling under the eaves.Task/ ambient services We have developed variable floor vents and variable lighting patterns that can becontrolled by individual users, and employed occupant sensor systems to adjust airconditioning and lighting only in occupied and used areas.Universally extensible engineering Cool air supplied to occupied areas is raised naturally by hot air from kitchenequipment and expelled in a displacement-based kitchen ventilation system. Thebuilding as a whole is used as the heat reservoir for a heat storage system. Theseare examples of engineering for energy saving and electrical load leveling that canbe developed universally.Limiting impact on the surrounding environment The district heating and cooling system uses the character of the site, drawingwater from the rivers on both of its sides, and water is thoroughly recycled. Theseare examples of wide-ranging consideration for the surrounding environment.The office zone on the high-rise floors have an interaction space called the"Communication Well," which opens a vertical space through three floors to link themtogether, stimulating communication between offices on different floors.Susumu HorikawaandKenji Yawata4調   調/242006 FACTNIKKEN SEKKEI

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