126.96.36.199.11 Guard at Ceiling Intersection
(a) On high deck balustrades, a solid guard shall be provided in the intersection of the angle of the outside balustrade deck and the ceiling or soffit, under either of the following conditions:
(1) where the clearance between the outside edge of the deck and the ceiling or soffit is 300 mm (12 in.) or less
(2) where the projected intersection of the outside deck and the ceiling or soffit is 600 mm (24 in.) or less from the centerline of the handrail
(b) On low deck balustrades, a solid guard shall be provided to protect the intersection formed by the top of the handrail and the plain of the ceiling or soffit where the centerline of the handrail is 350 mm (14 in.) or less from the ceiling or soffit.
(c) The vertical edge of the guard shall be a minimum 350 mm (14 in.) in length.
(d) The escalator side of the vertical face of the guard shall be flush with the face of the wellway.
(e) The exposed edge of the guard shall present a minimum width of 25 mm (1 in.) and a minimum radius of 12 mm (0.5 in.).
(f) Guards are permitted to be glass or plastic, provided they meet the requirements of 188.8.131.52.3.
See also Nonmandatory Appendix I, Figure I-5.