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The Structural Engineer

The new Glyndebourne Opera House is a building in which the structure is the architecture. The materials used include in situ and Precast concrete, steelwork, timber and a PVC-coated polyester membrane, but most significant is the use of solid loadbearing masonry with lime putty mortal. This, in conjunction with high quality precast concrete, is what defines the character of the building. J.A. Thornton and J.G. Turzynski

The Structural Engineer

The British Standards for grading and using structural timber have recently been changed in a significant move towards European harmonisation. They now incorporate European strength classes, and the terminology has also been changed. What was previously known as ‘stress grading’ is now termed ‘strength grading’ This affects the standards for grading (BS 4978: 1996 Visual stress-grading oflscftwoocl and BS EN 519: 1996 Structural timber grading by machine) and BS 5268: 1996, the UK Code of Practice covering the major structural uses of timber. A. Abbot

The Structural Engineer

Obiter scripta A happy new year to all readers - 1997 should have its share of controversial topics! The Engineering Council is sorting out its role (see The Structural Engineer, 10 December 1996) and members will watch public reaction to the Year of Engineering Success (YES) with interest. With the media apparently convinced that bridges are nowadays designed by architects, some serious redress to our image is clearly necessary. Verulam