Verulam (readers' letters – September 2016)

Colin Toms finds this to be a valuable guide to contract types, procurement methods and general quantity surveying matters, but less strong on the design process and how this interacts with contractual matters.

This book will prove useful to engineers and architects in the concept design stage of a transparent shell, concludes Ian Liddell, although it is not technical enough to be used for detail design and construction purposes.

This month we bring you another question from the Institution's Structural Behaviour Course. The topic is bending moment diagrams for portal frames.