Verulam (readers' letters – November/December 2024)

How should climatic design action vary with duration of exposure? Alastair Hughes identifies two conflicting approaches, and questions whether EN 1991 has made the right choice.

Ron Watermeyer examines ways of demonstrating competence in the structural engineering profession and makes a case for the value of credentialing.

Ron has chosen a sketch by Tim Walkden as the winner of The Drawing Board. Tim's sketch depicts a proposed structural arrangement for retrofitting a new perimeter roof walkway.