Please note that rehabilitation and alteration standards for the preservation of designated city landmark properties including contributing buildings in historic or conser vation districts are contained in articles 10 and 11 of the planning code.
San francisco law on wire glass doors.
Glass sloped 15 degrees 0 26 rad or less from vertical in windows curtain and window walls doors and other exterior applications shall be designed to resist the wind loads due to ultimate design wind speed v ult in section 1609 for components and cladding.
Glass in glazed curtain walls glazed storefronts and glazed partitions shall meet the seismic requirements of asce 7 section 13 5 9.
The california building code requires the use of safety glazing or safety plate glass in areas subject to human impact.
Or replacement of windows in san francisco.
For example windows placed within 2 feet of doors and where the bottom edge.
That exemption no longer applies.
The embedded wires in the glass act as a break plane making the glass just half as strong as annealed glass.
Under the 2012 ibc unsafe wired glass is not allowed in any hazardous location.
Every required exit doorway shall be of a size that permits the installation of a door not less than 3 feet in width and not less than 6 feet 8 inches high.
Safety wired glass products are tested to and meet the highest safety requirements mandated by both the code and the federal government s consumer products safety commission cpsc and have attained a fire rating after stringent fire testing.
Since 2003 the use of traditional wired glass in doors sidelites or locations where impact is a concern has been narrowed.
New generation safety wired glass products such as safti first s filmed superlite i w can be used in these hazardous locations.
The codes exempted traditional wired glass where fire rated glazing was needed.