What Is A Braced Wall Line. Again, there is an exception: The amount of bracing required is determined according to the seismic design category or wind speed, the number of stories above the braced wall line and the method of.
An imaginary straight line though the building which represents the centerline of lateral resistance provided by parallel bwps.
Under several building codes, all exterior wall lines in wood or steel frame construction must be braced. It's mandatory according to the international residential code it's one more line of defense to keep your walls intact. Braced wall line (bwl) • a line through the building plan used to determine amount of bracing required and locate braced wall panels (bwps). Depending on the size of the building some a retaining wall is built to retain an earthen embankment behind it.