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Handrail Details <br /> All stairways with 4 or more risers shall have at least one handrail. Such handrails shall be placed not,less <br /> than 34" nor more than 38" above the nose of the treads and shall be continuous for the full length pf the <br /> flight. Handrail ends shall be returned or terminate in the newel post or safety terminals. Handrails adja- <br /> cent to the wall shall have a space not less than 1 '/z" between the wall and the handrail. Circular hand- <br /> rails shall have an outside diameter of at least 1 %4" and not more than 2." Handrails with a perimeter <br /> greater than 6 '/4" shall provide a graspable finger recess on both sides. Handrails shall not project more <br /> than 4 '/z" on either side of the stairway. IRC R311 <br /> I1/2 IN.MIN. 11/2 III.MEl. 11/2 IN.Mitt. <br /> I1/4 IN.TO 2 IN. . 11/4 IN.TO 2 IN. <br /> 11/2 IN.MIN. <br /> • <br /> 1 <br /> -I 11/2 IN.MIN. <br /> I I 1 <br /> /11/J III.TO 2 IN. 31/z IN.MAX <br /> I <br /> .11/,IN.TO 2111. <br /> II-I I iJ . <br /> NOT ACCEPTABLE <br /> NOTE: Other shapes may be acceptable If[hey provide an equivalent gripping surface. <br /> Sae Ihird paragraph of Secllan 1003.3.3.6. <br /> 254 lit -�7_ `'.Lf:.�*2s/ IPL�Lq►' <br /> .- ` S2/d IN w'�s t zia t rely <br /> ,..T r rc <br /> .ng 21/Z IN a:' kv <br /> 24,Irl. <br /> 10,t *f:jt� tx `5 (. 3 r.r <br /> rt <br /> FOUNDATION SUPPORT SYSTEMS <br /> • Decks 30"or less above grade: Minimum 12"x12" <br /> manufactured pier. <br /> • Deck 30" to 5'0"above grade: Minimum 14"x14" <br /> manufactured pier set 12"below grade. <br /> a Decks greater than 5'0" above grade: Minimum <br /> 18"x18"x18" poured in place footing set 12" below grade. <br /> All deck posts shall have a positive post to footing and <br /> positive post to beam connection. /? <br /> Deck height is measured at the lowest point within 5'0" <br /> beyond the walking surface of the deck. <br />