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Prescriptive Residential Wood Deck Construction Guide-Appendix Al Appendix A to Prescriptive Residential 1 Wood Deck Construction Guide Design DCA 6 - 2012 IRC Version code ec SAFETY GLAZING REQUIREMENTS surface.The bar shall be capable of withstanding a IRC R308.4 states that safety glazing in window glass is horizontal load of 50 plf without contacting the glass required when the existing house wall acts as a barrier to and be a minimum of 1.1/2" in height. adjacent stairs,landings,and areas at the top and bottom e The side of a stairway, landing,or ramp has a of stairs. If a window or portion thereof falls within the guardrail or handrail,including balusters or in-fill area shown in Figure Al, glass panes within that area panels,complying with the provisions of Sections should be safety glazed. Safety glazing should reduce 8311.7.6 and R312 and the plane of the glass is injury due to accidental impact when ascending or more than 18" from the railing. descending stairs. Application of safety glazing film to • When a solid wall or panel extends from the plane of glass that was not originally treated is acceptable to meet the adjacent walking surface to 34" - 36" above the this requirement. floor and the construction at the top of that wall or panel is capable of withstanding the same horizontal Exceptions to this requirement include: load as the protective bar. • When a protective bar is installed on the accessible side(s)of the glazing 36" ± 2" above the deck Figure Al. Safety Glazing Requirements. '01 36" " glass in windows within �`�•�❖�❖�•�'o�'®'� this area adjacent stairs . :i0i:i0iVA%.Oid` must be safety glazed 4.******* �•••i00® •p•®:.:4�®�;��t .;.;..;.;.;.p.;.rJ•ii'Or • •p•••4$114S•��:•;•••••••�4ii Sal i••• S::O•0•��.•••••'•O.4:i ::•®f®�•0•*lP�00'te t::• ii'••; 0 Ci�ii�iii0i•��®yi••• •• : 44*•••%•"4.4 • • ;•.°4%••••i•i.••• .••ii•t'••iO�iO i�0i±0��•ii•444•• #o 60" r 3'1)5Z) 1 f GI/4-1.4.- American Wood Council ''