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Developing and Evolving a Low Carbon Campus

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The Design and Management of Sustainable Learning Environments. 18th June 2008. CRed ... Divided into 'houses' of 10. units each with en-suite facilities ... – PowerPoint PPT presentation

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Title: Developing and Evolving a Low Carbon Campus


1
The Design and Management of Sustainable Learning
Environments 18th June 2008
Developing and Evolving a Low Carbon
Campus Experience of the University of East Anglia
Recipient of James Watt Medal 5th October 2007
CRed
1
2
Original buildings
2
3
Nelson Court
Constable Terrace
3
4
Constable Terrace - 1993
  • Four Storey Student Residence
  • Divided into houses of 10
  • units each with en-suite facilities
  • Heat Recovery of body and cooking
  • heat 50.
  • Insulation standards exceed 2006
  • standards
  • Small 250 W panel heaters in
  • individual rooms.

5
Low Energy Educational Buildings
6
The Elizabeth Fry Building 1994
Cost 6 more but has heating requirement 25 of
average building at time. Building Regulations
have been updated 1994, 2002, 2006, but
building outperforms all of these.
Runs on a single domestic sized central heating
boiler.
7
Conservation management improvements
User Satisfaction
thermal comfort 28
air quality 36
lighting 25
noise 26
Careful Monitoring and Analysis can reduce energy
consumption.
A Low Energy Building is also a better place to
work in
8
ZICER Building
Low Energy Building of the Year Award 2005
awarded by the Carbon Trust.
Heating Energy consumption as new in 2003
was reduced by further 50 by careful record
keeping, management techniques and an adaptive
approach to control. Incorporates 34 kW of Solar
Panels on top floor
9
The ZICER Building - Description
  • Four storeys high and a basement
  • Total floor area of 2860 sq.m
  • Two construction types
  • Main part of the building
  • High in thermal mass
  • Air tight
  • High insulation standards
  • Triple glazing with low emissivity

Structural Engineers Whitby Bird
10
(No Transcript)
11
Operation of Main Building
Mechanically ventilated using hollow core slabs
as air supply ducts.
Incoming air into the AHU
12
Operation of Main Building
Air enters the internal occupied space
13
Operation of Main Building
Recovers 87 of Ventilation Heat Requirement.
Out of the building
Return stale air is extracted
14
Fabric Cooling Importance of Hollow Core Ceiling
Slabs
Hollow core ceiling slabs store heat and cool at
different times of the year providing comfortable
and stable temperatures.
Air Temperature is same as building fabric
leading to a more pleasant working environment
Heat is transferred to the air before entering
the room Slabs store heat from appliances and
body heat
Winter Day
15
Fabric Cooling Importance of Hollow Core Ceiling
Slabs
Hollow core ceiling slabs store heat and cool at
different times of the year providing comfortable
and stable temperatures.
In late afternoon heating is turned off.
Heat is transferred to the air before entering
the room Slabs also radiate heat back into room
Winter Night
16
Fabric Cooling Importance of Hollow Core Ceiling
Slabs
Hollow core ceiling slabs store heat and cool at
different times of the year providing comfortable
and stable temperatures.
night ventilation/ free cooling
Draws out the heat accumulated during the
day Cools the slabs to act as a cool store the
following day
Summer night
17
Fabric Cooling Importance of Hollow Core Ceiling
Slabs
Hollow core ceiling slabs store heat and cool at
different times of the year providing comfortable
and stable temperatures.
Slabs pre-cool the air before entering the
occupied space concrete absorbs and stores heat
less/no need for air-conditioning
Summer day
18
Good Management has reduced Energy Requirements
Space Heating Consumption reduced by 57
19
Life Cycle Energy Requirements of ZICER as built
compared to other heating/cooling strategies
28
54
34
51
29
61
20
Comparison of Life Cycle Energy Requirements of
ZICER
Comparisons assume identical size, shape and
orientation
Compared to the Air-conditioned office, ZICER
recovers extra energy required in construction in
under 1 year.
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