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Case Study – Plummerswood Wayne Butler Gaia Group.

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Presentation on theme: "Case Study – Plummerswood Wayne Butler Gaia Group."— Presentation transcript:

1 Case Study – Plummerswood Wayne Butler Gaia Group

2 Agenda Introduction to Project Thermal Imaging MVHR System Design Issues and Operation Monitoring Results – Energy Monitoring Results – Environment Other Lessons Learned Gaia Group

3

4 Location Gaia Group

5 Location Gaia Group

6 Ground FloorFirst Floor Gaia Group

7 Ground Floor - Hall Gaia Group

8 Ground Floor – Living Room Gaia Group

9 First Floor – Link Bridge Gaia Group

10 First Floor – Bedroom 2 Gaia Group

11 Building Envelope Gaia Group

12 Mass timber superstructure Air tightness membrane Thermal insulation Rain screen Air gap Building Envelope Performance Air permeability: 0.6m 3 /hr/m 2 @ 50Pa U-values: Wall: 0.14 Floor: 0.12 Roof: 0.12 Windows: 0.8 Gaia Group

13 Building Envelope: Thermal Imaging Gaia Group

14 Thermal Imaging Gaia Group

15 Heating & Ventilation Performance Objectives MVHR used to ventilate for: Heating building; Ventilation for moisture control; Ventilate to dilute pollutants e.g. off-gassing furniture Ventilate for CO 2 control Gaia Group

16 Heating & Ventilation Gaia Group

17 Heating & Ventilation Gaia Group

18 Heating & Ventilation Balance heat losses CO 2 control feedback Internal heat gains Moisture gains and migration Dining RmKitchen Living Rm StudyBathroomUtility Master BedEnsuite Main Hall Bedroom 2 Bathroom Bedroom 3 Gaia Group

19 Other Services Domestic Hot Water Gaia Group

20 Aims MVHR Solar thermal External blinds Hygroscopic materials Gaia Group

21 Monitoring Strategy Gaia Group

22 Monitoring Strategy Energy Total Electricity Sub Metering MVHR Electric Element MVHR Fan Solar Water Pump Domestic Hot Water Element Kitchen Hobs Kitchen Oven 1 Kitchen Oven 2 Utility Sockets Lighting 1 Lighting 2 Gaia Group

23 Total Energy Consumption Domestic Hot Water ElementMVHR HtgSmall Power Biodisc Gaia Group

24 Total Energy Consumption Gaia Group

25 Total Energy Consumption 2012 versus 2013 2012 2013 Gaia Group

26 Total Energy Consumption 2012 versus 2013 2012 2013 375dd386dd Gaia Group

27 Total Energy Consumption 2012 versus 2013 2012 2013 306dd365dd Gaia Group

28 Total Energy Consumption 2012 versus 2013 2012 2013 248dd429dd Gaia Group

29 Total Energy Consumption Domestic Hot Water ElementMVHR HtgSmall Power Biodisc Gaia Group

30 TM22 Gaia Group

31 Monitoring Strategy Environment Temperature & RHCO 2 Gaia Group

32 Monitoring Strategy CO 2 Control Gaia Group

33 Monitoring Strategy CO 2 Control – MVHR Off Gaia Group

34 Monitoring Strategy CO 2 Control – MVHR On Gaia Group

35 Monitoring Strategy CO 2 Control – MVHR Off & Trickle Ventilation Gaia Group

36 Monitoring Strategy CO 2 Control – Coincident Temperature 10 15 20 MVHR OFFMVHR ONMVHR OFF Trickle 21:00 10:00 21:00 10:00 21:00 10:00 Gaia Group

37 Environmental Monitoring - January Gaia Group

38 Environmental Monitoring - June Gaia Group

39 Environmental Monitoring – Annual Humidity JanFebMarApr MayJunJulAug SepOctNovDec Gaia Group

40 Environmental Monitoring – Annual Humidity Gaia Group

41 Other Findings MVHR Filters Replacement Interval: Every 3 months Cost: £200 per year Gaia Group

42 Other Findings Standby Power Essential MVHR Electric Element MVHR Fan Kitchen Sockets Borehole Water Pump Non Essential Biodisk Gaia Group

43

44 Thank you wayne.butler@arup.comsandy@gaiagroup.org Gaia Group


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