Letters
Between the lines of Part G it is important to recognise that the most keen to head off any viable way of reducing
So Part G of the Building Regulations has important environmental design decisions their profits. Feed-in tariffs are another way
been delayed because of various comments in schools are those that deal with the basics to squander scarce resources, ensuring
from the EU (News, September, page 11). – high levels of good quality daylight, efficient that the least effective way to reduce power
Amongst the comments is one that Part G and controllable ventilation at all times, consumption receives the greatest subsidy.
‘creates serious barriers to trade’. Reading good conditions all year round (with the To pundits and decision-makers with little
between the lines, I wonder if this refers to the environmental issues driving the architectural technical background micro-generation
regulations’ restriction of wholesome sounds attractive, but members of
water usage to 125 litres/person/day? The carbon footprint CIBSE are better placed than many
This limit impacts heavily on the use
of schools is mainly
to make an unbiased and accurate
of items such as drencher-head/multi-
down to electricity
assessment. I feel we should not be in
consumption
head showers and luxury baths. the business of perpetuating a folly in
– Mike Entwistle.
If the Code for Sustainable Homes the name of encouraging householders;
is also complied with, the allowable solid technical reasoning is our strength
figure per head comes down even and the way we should contribute to the
lower. This means that manufacturers’ debate.
recommended flow rates for many Peter Hill, MCIBSE
fittings are not acceptable as they will
be too high to achieve compliance with Population growth the key
Part G and the code. The October Journal, like all editions in
The only ‘legal’ ways round this, it the recent past, rightly contains much
seems to be are to: about the need to combat climate change.
a) Design out high flow rate showers/ But how much can we as engineers
large capacity baths (which actually do to influence events? The global
discriminates against certain population is predicted to grow from its
manufacturers and hence restricts current 6.5bn to around 9bn by 2050. The
trade); and world is on an unsustainable path, and in
b) Use harvested rainwater/recycled the context of climate change population
grey water for high flow rate showers/ growth is the main issue for world leaders
large capacity baths at a future date to tackle. Of course, let us continue with
by upgrading treatment standards the very worthwhile task of improving the
– although consumers, including performance of the built environment
myself, might resist this. here in the UK, but set against the factors
Bruce Latimer, CEng, CEnv, MCIBSE , affecting global warming in the years
MCIWEM ahead, it is peripheral.
John Menzies, FCIBSE
Recast the EPBD net wider design), and ensuring that unnecessary energy
Recasting the Energy Performance of usage is minimised through effective but Editor’s apology
Buildings Directive should mean looking to simple control. In modern schools, electricity On the October letters page we wrongly described
widen the types of building that need Display consumption normally constitutes by far the John Moss as being technical director of ICOM
Energy Certificates – not just public authority lion’s share of energy bills and CO2 emissions, Energy Association. That post is in fact held by
buildings, and not just those with public and reduction of this is where attention must David Hughes. We apologise to both Mr Moss
access, but all buildings over 1,000m sq (News, first be targeted. and Mr Hughes for this error, and for any
September, pages 7 and 14).This could be the Dr Mike Entwisle embarrassment caused to them.
step change we need to get emissions from MA (Schol) (Cantab), CEng, MEI, MCIBSE,
the existing stock under control. At the very MASHRAE CIBSE Journal welcomes article proposals from
least let’s drop the bit about public access that Associate director, Buro Happold
any reader, wherever you are – whether it be
letters, longer opinion pieces, news stories,
allows government back offices and Ministry
people or events listings, humorous items, or any
of Defence estates to go unmeasured. Challenge the micro-gen myths ideas for possible articles.
Phil Jones I would like to take issue with Keith Moss on
Please send all letters and any other items for
London South Bank University the vexed subject of domestic and other micro-
possible publication to: bcervi@cibsejournal.
generation proposals (Letters, October, page
com, or write to Bob Cervi, Editor, CIBSE Journal,
Back to basics in schools 22). Thermodynamically and economically
Cambridge Publishers Ltd, 275 Newmarket Road,
Cambridge, CB5 8JE, UK. We reserve the right to
While as engineers we get excited about heat they make so little sense that it comes as no
edit all letters. Please indicate how you wish your
and cooling and renewable energy systems surprise that they have been embraced by
letter to be attributed, and whether you wish to
(‘Learning curve’, September, page 26), politicians and the large power generators,
have your contact details included.
22 CIBSE Journal November 2009 www.cibsejournal.com
CIBSEnov09 pp22 letters.indd 22 22/10/09 15:13:58
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