New build Post-occupancy study
Office
solution
Early post-occupancy evaluation of an
by August 2008. Since then, Steel has undergone
post-occupancy evaluation (but not Iron, which was
award-winning government building points finished later). Key elements of the business case for
to savings in energy and costs compared
the development included lower occupancy costs and
service efficiency. The project’s sustainability aim was
with the previous offices, as well as lessons to minimise ecological impact and measured carbon
for the future, write Paul Stansall and
dioxide emissions from construction, operation and its
eventual demolition.
Eddie Murphy
Sustainable design
On the face of it nothing immediately manifests Vulcan
V
ulcan House was created to consolidate five House’s sustainability credentials: no biomass boilers,
UK Border Agency sites into one 18,000 no solar panels and no ground source heat pumps
sq m facility. The BREEAM Excellent-rated delivering renewable sources of energy. The secret to
brownfield development in the centre of its BREEAM Excellent rating (Sheffield’s first BREEAM
Sheffield forms part of the Home Office’s plan to Excellent building, and the second highest BREEAM
become carbon neutral by 2012, and its carbon footprint scoring office building in the UK for 2006) lies under
is being used as a baseline for the performance of new the skin of its approach to design and construction.
development projects. A first step in the process to design a sustainable office
Sustainable features at Vulcan, conceived prior to building, involved putting the embryonic building form,
Part L 2006 regulations, include ammonia chillers, energy conservation and efficiency design parameters
insulated ceramic panels, rainwater harvesting, into a computerised model and allowing the designers to
argon-filled double glazing, solar protected glass and modify their ideas until an optimum solution for energy
floor sub-metering. Vulcan comprises two buildings, flows was found. This resulted, for example, in a simple
known as Iron and Steel, which were fully occupied cube-shaped building with open-plan workstations placed
32 CIBSE Journal January 2010
www.cibsejournal.com
CIBSEjan10 pp32-36_Vulcan.indd 32 17/12/09 16:03:52
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