MR IAN McCRACKEN OPERATIONS MANAGER LISBURN BUILDING CONTROL

1. MR IAN McCRACKEN OPERATIONS MANAGER LISBURN BUILDING CONTROL Design comparison between Building Regulations 2000 as amended and Building Regulations 2012

2. Two storey dwelling total floor area 220m2 submitted and approved in 2010 and in Nov 2012Design air permeability 2010 taken as 10m3(h.m2) at 50 PaDesign air permeability 2012 taken as 5m3(h.m2) at 50 Pa

3. 2010 House U value 0.28 W/m2.k (0.35) standard block construction 2 x 100mm, 100mm cavity with Springvale Platinum Eco Beads 2012 House U value 0.21 W/m2.k (0.30) standard block construction 2 x 100mm, 150mm cavity with Springvale Platinum Eco Beads Walls

4. 2010 House U value 0.14 W/m2.k (0.25) Solid floor construction 100mm Screed, 125mm Kingspan TF70 floor insulation, 150mm subfloor Concrete. 2012 House U value 0.14 W/m2.k (0.25) Solid floor construction 100mm Screed, 125mm Kingspan TF70 floor insulation, 150mm subfloor Concrete. Floors

5. 2010 House U value 0.14W/m2k (0.25) 2 x layers of 150mm Insulation quilt laid between and over ceiling joists total thickness 300mm. 2012 House U value 0.11W/m2k (0.20) 2 x layers of 150mm Insulation quilt laid between and over ceiling Joists plus 1 layer of 100mm quilt over total thickness 400mm. Roof

6. 2010 House U value 1.95 W/m2.k (2.20) PVC double, low E soft coat 2012 House U value 0.08 W/m2.k (2.00) PVC triple, low E soft coat Windows

7. 2010 House Grant Vortex oil boiler 97% seasonal efficiency Controls time, temperature and zoned Secondary heating dual fuel open fire in grate 37% efficiency 2012 House Grant Vortex oil boiler 93.3% seasonal efficiency Controls time, temperature and zoned Dual fuel anthracite wood stove 80% efficiency No secondary heating Heating

8. 2010 House TER 26.23 DER 26.01 SAP Rating 75 C Co2 emissions:5.76t/year 2012 House TER 21.05 DER 20.91 SAP Rating 83 B Co2 emissions:4.23t/year\ Design Rating

9. Floors within the dwelling Walls separating a bedroom Walls separating a room containing a WC Sound

10. 2010 House Mechanical Ventilation Kitchen 30l/s Utility 30l/s Bathrooms x 2 15l/s Background ventilation 68,000mm2 Rapid ventilation 1/20 floor area of rooms 2012 House Method 1 Mechanical Ventilation Kitchen 30l/s Utility 30l/s Bathrooms x 2 15l/s Sanitary accommodation 6l/s Background ventilation 108,196mm2 Rapid ventilation Equal to 4 air changes per hour per room or windows and doors in accordance with appendix B Ventilation

11. 2010 House Mechanical Ventilation Kitchen 30l/s Utility 30l/s Bathrooms x 2 15l/s Background ventilation 68,000mm2 Rapid ventilation 1/20 floor area of rooms 2012 Method 2 System 1 Mechanical Ventilation Kitchen 30l/s Utility 30l/s Bathrooms x 2 15l/s Background ventilation 115,000mm2 Rapid ventilation Appendix B habitable rooms 1/20 floor area, depending on sash opening Wet rooms window opening no minimum size required Ventilation

12. 2010 House Mechanical Ventilation Kitchen 30l/s Utility 30l/s Bathrooms x 2 15l/s Background ventilation 68,000mm2 Rapid ventilation 1/20 floor area of rooms 2012 Method 2 System 2 4 Passive stack ventilation units to the wet rooms with internal duct diameter of 125 mm Background ventilation 103,000mm2 Rapid ventilation Appendix B habitable rooms 1/20 floor area, depending on sash opening Wet rooms window opening no minimum size required Ventilation