Civil Engineering Reference
In-Depth Information
British Standard 5268: Part 3, pages 2325, gives details of openings for chimneys and
hatches. Section 7.6 of the standard sets out details for the maximum spacings between
trimming trussed rafters. Using the British Standard's lettering, the standard trussed spa-
cing equals
a
, the spacing between trimming trusses and the adjacent truss
