6 CONTENTS News Features 7 News 26 Bright ideas Future Homes Standard, Part L and Part F proposals; circular economy crucial to tackling carbon emissions; Stirling Prizewinning Goldsmith Street 16 CIBSE news President s Awards winners; Employer of the Year winners; patrons discuss mental health Voices 20 Feedback The alternatives to natural gas, and the case for direct gas-fired water heaters 22 Rewriting the rules Hywel Davies says the Queens Speech hints at future legislation supporting Dame Judith Hackitts recommendations 24 One step closer? Julie Godefroy summarises the package of proposals for the Future Homes Standard, Part L and Part F 97 Q&A Ryan Johnson discusses heat network training CIBSE JOURNAL CPD SPECIAL CPD DIRECTORY Company listings from the CIBSE CPD Directory 2019 SPECIAL FEATURES Industrial and commercial heating and cooling Liza Young reports on the winning Graduate of the Year 2019 presentations 49 Heating news 31 How do we deliver net zero by 2050? Build2Perform speakers explain what should be done to achieve the governments net-zero energy target 34 Tap inns and touchdowns Andy Pearson looks at the engineering behind the 3,000-tonne retractable grass pitch at Tottenham Hotspurs new stadium 40 Reality check Arups Derek Lawrence explains the benefits of a BIM digital twin 44 Level best Nick Mellor reports from the 10th Symposium on Lift and Escalator Technologies 46 Exploitation exposed Improving the industrys understanding of modern slavery Technical A round-up of heating project and product news November 2019 | www.cibsejournal.com Read our CPD directory on pages 73-85 97 51 COVER FEATURE Growing interest Using heat from waste treatment facilities at two East Anglia greenhouses 56 Autonomous state Stand-alone autonomous heat recovery systems offer lower costs than district heating technology, says Chris Twinn 63 A condensing guide to CHP efficiency How to integrate CHP in applications with high, constant heat demand to get savings 67 Don t sacrifice performance Why anode rods aren t always the most suitable solution 68 Cost model Aecom explores the options for cooling large data centres 4 November 2019 www.cibsejournal.com CIBSE Nov19 pp04-05 Contents.indd 4 25/10/2019 18:00