The final word – modelling fluid flows

Past CIBSE president John Swaffield died before he was able to finish his second work on modelling fluid flows in building drainage systems. Michael Gormley, who helped complete the book, explains why the author’s final contribution to the industry is an essential text

No compromise – Passivhaus Enterprise Centre in Norwich

In aiming for Passivhaus the project team at the Enterprise Centre worked to the tightest of parameters leading to the use of 70% bio-based materials, a super-airtight envelope and minimal plug loads. Andy Pearson reports on the challenges involved