Loading...
HomeMy WebLinkAboutSTEPS SPECIFICATIONSHANDRAIL GRIP SIZE 1,.-2. �- 2i' NONCIRCULAR CIRCULAR RECESSED (R311.5.63Type ll IR3115.6.3 Type lll, perBDete1:4" - 8•" PBnlDew. nll- (HANDRAIL HEIGHT, MEASURED VERTICALLY FROM THE SLOPED PLANE 4DJOINING THE TREAD NOSING, OR FINISH SURFACE OF RAMP SLOPE, SHALL BE NOT LESS THAN 34 INCHES AND NOT MORE THAN 38 INCHES. *HANDRAIL SHALL BE PROVIDED ON AT LEAST ONE SIDE OF EACH CONTINUOUS RUN OF TREADS OF FLIGHT WITH FOUR OR MORE RISERS. • HANDRAIL ASSEMBLIES AND GUARDS SHALL BE DESIGNED TO RESIST A LOAD OF 50 PLF APPLIED IN ANY DIRECTION AT THE TOP AND TO TRANSFER THIS LOAD THROUGH THE SUPPORTS TO THE STRUCTURE. 2 X 2 BALLS MIN. (3) SIMPSON'S SDS 1/4" X 4-1/2" — WOOD SCREWS FOR RIM JOIST TO POST CONNECTION, (5) I6d NAILS OR EQUIVALENT P.T. STEP LANDING FLOOR FASTENED TO HOST FLOOR MEMBERS USING SIMPON'S 1/4- X 3-1/2" SOS WOOD SCREWS OR EQUIV. AT 12' O.C. STAGGERED SCREW PATTERN WmNtu RECEI' fiv rAff 2X6P-T.LANDING CONSTRUCTION -- 16" O.C. FLOOR JOISTS USING (5) 16d NAILS OR EQUIVALENT AT EACH JOIST TO RIM JOIST CONNECTION. -'� 30' GROUND ANCHOR W/ TIE DOWN STRAP STRAP TO WRAP AROUND P.T. 2 X 6 TIGHTLY (DO NOT OVER TENSION STRAPS) (EACH SIDES OF LANDING) NOTE: CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING ALL DIMENSIONS AND CONDITIONS PRIOR TO CONSTRUCTION. T. 5/4' X 6 BOARD RAIL CAP OPENINGS SHALL NOT ALLOW THE PASSAGE OF A 4" DIAMETER SPHERE T. 2X6 (1) 2 X 6 P.T. ATTACHED TO POSTS USING (5) 16d NAILS OR EQUIVALENT AT EACH 2X6 TO POST CONNECTION. NOTES fHE MAXIMUM RISER HEIGHT SHALL BE 7-3/4 INCHES. THE RISER NALL BE MEASURED VERTICALLY BETWEEN LEADING EDGES OF THE 1JACENT TREADS THE GREATEST RISER HEIGHT WITHIN ANY FLIGHT )F STAIRS SHALL NOT EXCEED THE SMALLEST BY MORE THAN 3/8 INCH. `*? ME MINIMUM TREAD DEPTH SHALL BE 10 INCHES. THE TREAD DEPTH SHALL BE 1EASURFD HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST P{ )F ADJACENT TREADS AND AT A RIGHT ANGLE TO THE TREAD'S LEADING EDGE! THE GREATEST TREAD DEPTH WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED NALLEST BY MORE THAN 3/8 INCH. 2 X 4 TOP & BOTTOM ATTACHED TO TO POSTS WITH (2)#8 WOOD SCREWS ON INSIDE FACE. OPENINGS FOR REQUIRED GUARDS ON THE SIDE OF STAIR TREADS SHALL NOT ALLOW A SPHERE 4-3/8' TO PASS THROUGH. ATTACH BALUSTERS TO TOP & BOTTOM W/ MIN. (1)#9 WOOD SCREW OR EQUIV. CONCRETE OPTION: IF STEPS ARE INSTALLED ON EXISTING CONCRETE, THE GROUND ANCHORS, TIEDOWN STRAP AND ANGLE BRACKET CAN BE OMITTED. THE P.T. 4 X 4 POSTS SHALL BE ANCHORED TO THE EXISTING CONCRETE SLAB USING SIMPSON'S L—BRACKET OR EQUIVALENT. (3) 2 X 12 P.T. STAIR STRINGERS ALL STAIR COMPONENTS TO BE PRESSURE TREATED LUMBER ALL FASTENERS IN CONTACT WITH P.T. LUMBER TO BE HOT DIP GALVANIZED OR STAINLESS STEEL V ULT -ULTIMATE DESIGN WIND SPEED - 170 MPH (BUSK CATERGORY II BUILDING) VASD "NOMINAL DESIGN KIND SPEED" 132 MPH rGTEBGORY II BUILDING) ABLE 1809.3.1) (S •.. rd gust•) 318 S. Srl. H Bte.100 Lake Wales, FC'33853 Offlce: &SM89.5980 Fox 1-866-885-2044 Dmwkq Numbmr S1 Is. stunt Hxy. Sb 1 Lnwn wnt., cLSIw © cavmK+rt mu