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Gil d TA 11ILYLID]071117-I'140111NIJ d.1114 d 117L nil 1.1�1 <br /> ■ <br /> 1gure 30. Stair Guard Requirements Figure 31. Stair Stringer Attachment Detail <br /> 6'-0"maximum I rim joist or--\ <br /> between I outside joist <br /> stair guard is required for <br /> stairs with a total rise of <br /> 30"or more;see GUARD <br /> REQUIREMENTS for <br /> more information sloped joist hanger, <br /> minimum download <br /> capacity of 625 lbs; <br /> see JOIST HANGERS <br /> for more requirements <br /> stair guard height— ATTACHMENT WITH HANGERS <br /> 34"min.measured <br /> from nosing of step <br /> Openings for required guards on the--i Triangular opening shall <br /> sides of stair treads shall not allow not permit the passage <br /> a sphere 4-3/8"to pass through. of a 6"diameter sphere. <br /> STAIR HAN-DR-AIL REQUIREMENTS than 6-!/4".Type Il rails with a perimeter greater than <br /> All stairs with 4 or more risers shall have a handrail on 6-1W' shall provide a graspable finger recess area on both <br /> at least one side(see Figure 32A) [R311.7.71. The sides of the profile[R311.7.7.3]. All shapes shall have a <br /> handrail height measured vertically from the sloped smooth surface with no sharp comers. Handrails shall <br /> plane adjoining the tread nosing shall be not less than 34 run continuously from a point directly over the lowest <br /> inches and not more than 38 inches(see Figure 330) riser to a point directly over the highest riser and shall <br /> [R311.7.7.I].Handrails shall be graspable and shall be return to the guard at each end(see Figure 33). Handrails <br /> composed of decay-resistant and/or corrosion resistant may be interrupted by guard posts at a tam in the stair <br /> material. Handrails shall be Type 1,Type 11, or provide [R311.7.7.2]. <br /> equivalent graspability(see Figure 32B).Type I shall <br /> have a perimeter dimension of at least 4" and not greater <br /> Figure 32B. Handrail Grip Size <br /> Figure 32A. Handrail Mounting Examples 14° 2R" <br /> Fasten handrails per manufacturer recommendations <br /> 11"-2" <br /> 4 �z214"MaX- <br /> E <br /> 4 16 E <br /> 12"min. r , <br /> !Ti- <br /> T min <br /> 2x blocking NONCIRCULAR CIRCULAR RECESSED <br /> 11, min.. in. �3 Type I I] <br /> [R311.7.7.3 Type 1] [R-31 1.7./ <br /> 34"-38"to nosing Perimeter.4"-6 Perimeter:>61" <br /> of stairs.typical <br /> Viall <br /> –=rosion-resistant <br /> guard handrail harch,�are <br /> Post <br /> MOUNTED TO GUARD MOUNTED TO VVALL <br /> American Wood Council <br />