Contents
NEWS 7 News
Engineers tackle overheating; Barker sets domestic RHI tariff; CIBSE Journal readership survey now online; industry gets to grips with resource effi ciency; DECs need fi xing not replacing
12 CIBSE News
Institution launches Building Performance Awards 2014; visit to historic Paternoster lift; fi nd out how the benevolent fund is helping members
OPINION 16 Letters
BIM and the building services engineer; zero carbon logic behind the code; the risks of nuclear delay
17 Feedback
Industry responds to CIBSE president George Adams’ fi rst blog
18 Don’t blame heat pumps The real problem is the way buildings are designed and procured in the UK
20 Regulations
What the Energy Savings Opportunity Scheme is really all about
Features
22 Are you sitting comfortably? A clear and comprehensive defi nition of overheating is fi nally here, explained in full by CIBSE’s TM52 guidance
26 Beyond the fridge
Supermarket giant Sainsbury’s has set itself the challenging target of slashing its carbon emissions by 30% in seven years. But can it cut the mustard?
32 Foiling the great escape
It’s vital that clients’essential focus moves from cost cutting to long-term performance when installing district heating systems
36 All hands to the pump
When an innovative ground-source energy system failed to live up to expectations, the original project team stepped up to the plate
‘Because district heating systems are so large, the effects of failing to design an effi cient system are magnifi ed’ Page 32
www.cibsejournal.com
42 Making hospitals feel better ASHRAE’s HVAC Design Manual for Hospitals and clinics gives new advice on heating and ventilating clinical spaces
58 Waste under the knife Barts Health NHS Trust reveals how it has slashed its energy bill by £105,000 in two hospitals by persuading workers to close doors and turn off lights and equipment
August 2013 CIBSE Journal 3 22
LEARNING 45 CPD
Biomass for commercial building heating systems
CLASSIFIED 50 Products
A round-up of gadgets and services for the industry
55 Directory A guide to suppliers JOBS
56 Appointments Jobs at
jobs.cibsejournal.com
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