3. Curtain Walling System Cladding System Insulation Panels

4. Triple Glazing Low E Coating Argon Fill Insulated Frame U-Value = 0.57w/m2k Solar Transmittance = 0.57

5. Area of Glazing = 660m 2 Transmittance = 0.57 South facing vertical Total Solar Heat Gain = 216110kWh January February March AprilMayJune July August September October November December

6. Green Building Store http://www.greenbuildingstore.co.uk/page--ecoplus- energy-efficient-glazing.html External shading overhangs/louvres Light shelf

8. 21 st March 9.00AM 70% of lighting required at 67% intensity

9. 50% of lighting required at 50% intensity 21 st March 12.00PM

10. 100% of lighting required at 83% intensity 21 st March 6.00PM

11. Open Plan office space average % lighting required = 50% 36 fittings per floor operational 13 hours a day Cellular offices with occupancy sensors 12 fittings per floor operational 8 hours a day Toilets with occupancy sensors 4 fittings per floor operational 3 hours a day 43W fittings throughout Energy consumption for March (average for the year) = 1502.6kWh Heat gain from lighting 100% = 1502.6

12. Ground Floor Construction  GGBS Insitu Concrete Slab  Kingspan® Therma floor™ TF70 Insulation  Damp Proof Membrane/Waterproofing U-Value Achieved = 0.14 W/m 2 K

13. Roof Construction  GGBS Insitu Concrete Slab  Kingspan® Therma roof™ TR26 LPC/FM Insulation  Damp Proof Membrane/Waterproofing  Gypsum Plaster U-Value Achieved = 0.112 W/m 2 K Atrium Glazing (Full System – Frame + Glass)  A98 Atrium Glazing Units U-Value Achieved = 0.79 W/m 2 K

14. Grey Water Harvesting Permeable Paving

15. Water Reduction Appliances TapsToiletsUrinalsShower Appliance TM-95065 Monoblock Tap Ifö Sign Universal WC AIRFLUSH® urinal system Aerated Ecosmart shower head Typical Flowrate of non-water saving 20L/Minute (Cold) 12L/Minute (Hot) 11L/Flush10L/Hour/Urinal20L/Minute Water-Saving Appliance Flow Rate 1.7L/Minute4L/Flush-6L/Minute Percentage of water saving 91.5% (Cold) 85.83% (Hot) 63.64%100%*70%

17. Q= U*A*ΔT

18. Pv = (Cv*N*V*ΔT)/3600

21. Energy Balance : Fabric Heat Losses + Ventilation Heat Losses = Solar Heat Gains + Casual Heat Gains + Energy for Heating or Cooling

23. With shading overhang: % of solar transmited = 0,84 in winter % of solar transmited = 0,55 in summer

24. Underfloor heating and cooling system

25.  Underfloor cooling system is not good enough › Increase airflow through ventilation › Install air conditioning system

26. Air Supplied Air extracted Ground Heat Exchanger