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Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
Best cases DGNB and LEED
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Best cases DGNB and LEED

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  1. Certified with DGNB GOLD label 01/09<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  2. ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  3. Econcern Headquarter<br /> Köln (2009)<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  4. Etrium =<br />Energy efficiency + atrium<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  5. Atrium for heating, ventilation and light<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  6. <ul><li>3 stories.
  7. Square shaped (38m x 38m). Excellent facade/volume ratio.
  8. High daylight coeff for natural light.</li></ul>N<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  9. <ul><li>6 areas can be closed off and rented separately.
  10. 3750m effective area.
  11. Room for 150 employees.</li></ul>ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  12. ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  13. photo voltaic system: <br />32,4 kW = 30.000 kWh/a<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  14. Solar thermal <br />water for domestic use<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  15. Rain water reservoir to flush toilets etc <br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  16. Cross ventilation <br />Heat exchanger to recycle heat energy of used air.<br />95% efficient heat recovery<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  17. Cross ventilation <br />Heat exchanger to recycle heat energy of used air.<br />95% efficient heat recovery<br />concretecool<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  18. 48kW groundwater heat pump<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  19. winter<br />summer<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  20. PHPP approved<br />Primary energy: 116 kWh/m2/a<br />70% &lt; than conventional office buildings<br />Heating: &lt; 10kWh/m2/a<br />1L oil/ m2/a (5 times less)<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  21. ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  22. BofA Tower, NYC <br />Cook Fox, 2009<br />LEED PLATINUM certified<br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  23. BofA Tower, NYC <br />Cook Fox, 2009<br />LEED PLATINUM certified<br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  24. If you don&apos;t build green, you&apos;re building obsolete,&quot; <br />Douglas Durst, Developer BofA Tower<br />Building Introduction video<br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  25. Faceted crystal exterior <br /><ul><li>deep double-walled insulated facade
  26. to optimize daylight transmission to street level.</li></ul>ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  27. natural elements <br />relate to human scale of the street. <br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  28. biophilia - everyone gets light.<br /><ul><li>floor-to-ceiling windows (285cm)
  29. glass inner walls, so that even people stationed near the core of the building will be able to look outside.</li></ul>ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  30. The mixture used in the tower concrete is 55% cement and 45% slag( a byproduct of blast furnaces). The use of slag cement reduces damage to the environment (One ton of cement produced emits about one ton of carbon dioxide into the atmosphere.)<br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  31. Rain water collection<br />combine roof-captured rainwater with the grey water from the building&apos;s washroom sinks, condensation from the tower&apos;s air conditioning and from the steam purchased from the utility company ConEdison used to flush the toilets and run evaporation panels that help cool the building.<br />Rain water collection<br />ENERGY | HCU REAP<br />DGNB | GOLD CERTIFIED OFFICE BUILDING<br />
  32. ventilation<br /><ul><li>Under Floor air ducts (17 C vs. 12 C ceiling ducts)
  33. Thermostat for each office (room) for individual regulation</li></ul>ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  34. air filter for NYC<br />&quot;We will take in four times as much air as New York codes require, and the air we expel will be much cleaner than what we take in.&quot;<br />The greater volumes of air make it possible to flush more VOCs (volatile organic compounds) out of the air, diminishing the likelihood of &quot;sick building syndrome&quot; sometimes blamed on imperfect air filtration systems.<br />He says that people working in the Bank of America Tower will breathe air cleaned of 95 percent of its particulate matter instead of the 35 percent typical in office buildings.<br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  35. “Cogeneration (also combined heat and power, CHP) is the use of a heat engine or a power station to simultaneously generate both electricity and useful heat(…). By-product heat at moderate temperatures (212-356°F/100-180°C) can also be used in absorption chillers for cooling”<br /> (source: wikipedia.org).<br />Cogeneration<br />A 4.6-megawatt fuel-cell cogeneration plant provides part of the base-load energy requirements. <br />ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />
  36. Sustainability<br />= economical efficiency<br />= occupant efficiency<br /><ul><li>$1.2 billion for the tower.
  37. 2 to 3% for environmental factors.
  38. Payback within four years through saved energy expenses.
  39. The building is built to environmental codes believed to be in place in future years, eliminating the need for costly modifications.</li></ul>ENERGY | HCU REAP<br />LEED | GOLD CERTIFIED OFFICE BUILDING<br />

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