2 CONTENTS News Features Technical 7 News 26COVER FEATURE Aiming to land a NOx-out punch UK urged to eliminate building emissions; DfE to aid school offsite construction 12 CIBSE news CIBSE UAE regional awards; officers and board members sought; #IamCIBSE campaign Voices 16 Feedback Residential heating and potential solution to skills gap 17 Back to the future Hywel Davies asks how climate change-ready are our homes 18Whole-carbon approach Julie Godefroy reports on Futurebuild sessions 20Method acting Simon Wyatt considers the new London Plan methodology 23History lessons Bill Bordass warns of the forgetting curve 69Q&A BRE s Gilli Hobbs on waste 45In hot water How new air pollution policies will affect the future of heat in the capital Elementa Consulting s David Glossop says oversizing hotwater systems is resulting in much lower carbon savings in new services designs 30Futurebuild Alex Smith and Andy Pearson report from the annual event 32On the right track How a services retrofit saved more than 400,000 at Transport for Londons Palestra building 38Hot and spicy A project to replace coal with turmeric and mixed biomass at two Indian refineries 42To close the performance gap, choose option D Nazli Dabidian explains how to validate a design energy performance rating during operation SPECIAL FEATURES Data centres/ water heaters Read our Education Special 49Stemming the flow 69 53Data centre commissioning success with this issue or online at www.cibsejournal.com How the Luna project aims to prevent overestimating the design flow for hot-and-cold water systems ISGs Paul Pompili identifies the key processes to ensure successful commissioning at data centres 54Artifical intelligence in data centres Dan Cash and Richard Clifford consider the potential of artificial intelligence 56Mist opportunity Internal environment regulation is essential to run reliable data centres 4 April 2019 www.cibsejournal.com CIBSE Apr19 pp04-05 Contents.indd 4 22/03/2019 16:43