Estate Living November 2016 Digital Issue | Page 56
LIGHTING
that some luxury design items may have to
There is a maximum energy consumption
be sacrificed in order to comply. It is all about
allowance for lighting in buildings. In a typical
changing the mindset of the public in general
house the allowance is an energy demand of 5
and the client in particular, and embracing the
watts/m2 (basically if all the lights are switched
new legislation as a valuable resource. And
on at the same time) and an annual energy
although there may be additional costs upfront
consumption of 5 kWh/m2 (the annual energy
in the building process, energy efficiencies will
usage based on the average hours per day the
recover those costs over time.
lights would be switched on if they were all on
at the same time).
The new regulations have also slightly increased
production
time
and
the
workload,
architectural
In simple terms, the old incandescent and
professional’s
as
detailed
halogen bulbs that we are used to are no longer
calculations have to be made of hot-water
viable due to their high energy consumption.
consumption, building orientation, window
LED and CFL bulbs are the only types that
efficiency and lighting energy consumption.
comply with the requirements.
This requires more detailed drawings at the
council submission stage of the project.
CHALLENGES TO ARCHITECTS
Many contractors and subcontractors are not
Implementing the new regulations was a
as familiar with the building regulations as they
steep learning curve for most architectural
should be. It can be challenging to tell them
professionals. The mindset had to move very
that the way they have been building is wrong,
rapidly from decades-old accepted inefficient
and to persuade them to follow the drawings
building practices to a new awareness of
and specifications explicitly. For example,
the minimum standards required by the
very few plumbers know how to install a hot-
amended legislation. Although challenging
water system with a ring main system. Even
at the time, this has also proved beneficial,
though these regulations have been around
because it has forced many professionals to
for decades, they have never been properly
be more conscious of what they are designing.
enforced by the local authorities, so many
So, rather than designing something just to
installations have been done incorrectly and
look “nice”, one is now forced to implement
inefficiently. This means that while many are
functional design principles that have been
willing to try to comply, the new regulations do
around since the dawn of architecture, when
increase the possibility of errors. I was recently
buildings were designed to be functional
in a house where the water from the hot tap
elements in harmony with their environment,
would run hot for about five seconds and then
rather than just objects of beauty or status
go col d – because the hot-water system was
symbols.
not going through the geyser and was feeding
direct from the cold water supply, syphoning
Architects often have to educate their clients,
off a little hot water along the way.
most of whom are not familiar with the
regulations. It can be difficult to explain to a
Ultimately, the responsibility of enforcing
client that the regulations require certain non-
the regulations lies with the architectural
aesthetic but costly building solutions, and
professional.