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Buildings Performance
CIBSE Low Carbon
Performance Awards 2010
Now in their 3rd year,
the CIBSE Low Carbon
Performance Awards
recognise and reward proven
achievements in delivering
carbon savings in buildings.
These high-profile awards
showcase innovative and inspirational low-carbon
solutions and highlight carbon reduction in both
the design and management of buildings.
Entries are now invited for the 2010 awards. The
award categories are:
• New build of the year;
• Refurbishment of the year;
• Product innovation of the year;
• Low Carbon Consultant of the year (only open to
CIBSE LCCs);
• Low Carbon Energy Assessor of the year – EPC
(only open to CIBSE LCEAs);
• Low Carbon Energy Assessor of the year – DEC
(only open to CIBSE LCEAs);
• Client of the year – Energy performance;
• Client of the year – Low carbon operation; and
• Low Carbon Manager of the year.
Make sure your projects get the attention they
deserve! Previous winners have included Transport
for London, Faber Maunsell (now known as AECOM)
and i-prophets, to name just a few.
The deadline for entries is 30 October 2009, with
the awards presented in February at a high-profile
ceremony at London’s Grosvenor House Hotel. For
further information, criteria for entries and entry
forms visit: www.cibse.org/awards2010
gain, and to maximise heat retention in winter – The new Lion House’s south boiler coped with this low demand when it was brought
particularly as the building boasts insulation levels 25
side is orientated towards
online, as it was sized to meet base loads and backed up
per cent higher than those stipulated in the Building
the sun’s path for most of
by a gas boiler when required. During the changeover
the year
Regulations sheep’s wool as insulation material. The phase from the old to new office, when the biomass
windowless west elevation also has the added benefit boiler was not yet installed, the gas boiler broke down
of buffering occupants from noise created by the three for two days, but nobody noticed because the building’s
15kW wind turbines on the site. temperature never dipped below 19 deg C.
Conversely, during a hot spell last summer when
Orientation the outside temperature rose to 28 deg C, there were
The northern elevations of the 13.5m deep open plan no complaints from occupants about overheating.
office wings are designed to capture as much natural This is despite the fact that the building is passively
daylight as possible to reduce power consumption cooled. The displacement ventilation also contains a
from artificial lighting; while on the south side a This shows thermal wheel for heat recovery, which has performed
photovoltaic (PV) array is orientated towards the sun’s
how important
admirably to further reduce heat demand.
path for most of the year, with solar shading provided According to AECOM associate director Nigel Banks,
to reduce glare and heat gain in summer. Air tightness
it is to have
who headed up the design team, if the building was
is an impressive 3.84m3/hr/m2 at 50pa. building services rotated by 90 degrees the impact on energy use would
On analysing the first year’s results from May 2008
input from
be dramatic as heat demand would rise by 20 per cent
to May 2009, which included a relatively cold winter, and additional cooling would have been required. The
AECOM was initially amazed at the level of heat
day one of the
cooling requirement would have been 40 per cent
demand – because it was virtually nil. The biomass concept design. higher to maintain 24 deg C. >
www.cibsejournal.com July 2009 CIBSE Journal 33
CIBSEjul09 pp32-35 Buildings.indd 33 25/6/09 15:20:57
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