Loading...
HomeMy WebLinkAboutSTAIR PLANSI 24" max. HANDRAIL GRIP SIZE 14" • Zu, E; i f tit _ Perimeter: 4"- 6+ Perimeter: b,6;" *HANDRAIL HEIGHT, MEASURED VERTICALLY FROM THE SLOPED PLANE: ADJOINING 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 TREAD S OF FLIGHT. WH IT. FOUR OR MORE RISERS. o. *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. *HANDRAILS FOR STAIRWAYS. SHALL BE CONTINUOUS FOR THE FULL LENGTH OF THE FLIGHT, - FROM- A POINT DIRECTLY ABOVE THE TOP RISER OF THE FLIGHT TO. A -POINT DIRECTLY ABOVE :THE LOWEST RISER OF THE FLIGHT. HANDRAIL :ENDS SHALL BE RETURNED OR SHALL TERMINATE IN NEWEL POSTS OR SAFETY TERMINALS. HANDRAILS- ADJACENT TO A WALL SHALL. HAVE A SPACE OF NOT LESS THAN 1-1/2 INCHES.BETWEEN THE WALL AND THE HANDRAILS. 2X28ALUS MIN. (3) SIMPSON'S SDS 1 /4 X::4-1 /2" — WOOD SCREWS FOR RIM JOIST TO POST CONNECTION, (5) 16d. NAILS OR EQUIVALENT P.T. STEP LANDING FLOOR FASTENED TO HOST FLOOR MEMBERS USING SIMPON'S 1 /4" X 3-1/2'. SD,S WOOD SCREWS .OR . EQUIV. AT 12" O.C. STAGGERED SCREW PATTERN 2X6 P.T. LANDING CONSTRUCTION 16:" O.C. FLOOR JOISTS :USING (5) 16d NAILS ;OR EQUIVALENT. AT EACH JOIST TO RIM.:JOIST CONNECTION. 4'-0 ./ . o .T.• 2X6 I. STAIR TREAD AND RISERS THE MAXIMUM RISER HEIGHT SHALL BE 7-3/4 INCHES. THE RISER m eb m SHALL BE MEASURED VERTICALLY BETWEEN LEADING EDGES OF THE E M a WACENT -TREADS—THE-GREA-TEST- RISER-HEIGHT-1MTHIN-ANY-f[JG 0— d 9 OF STAIRS SHALL NOT EXCEED THE SMALLEST BY MORE THAN 3/8 INCH. d OPEN RISERS ARE PERMITTED PROVIDED THAT THE OPENINGS LOCATED MORE 2o T 1 THAN 30 INCHES, AS MEASURED VERTICALLY, TO THE FLOOR OR GRADE DO NOT o V. ° - W -9 PERMIT THE PASSAGE OF A 4-INCH DIAMETER SPHERE. . N a THE MINIMUM TREAD DEPTH SHALL. •BE 10 INCHES. THE TREAD. DEPTH SHALL BE `O MEASURED HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST PROJECTION a g 9 $ IAO OF 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 THE e $ C SMALLEST BY MORE THAN 3/8 INCH. ., m a m a�ad � d8$ - - - E DIUS OF-CURVATURE-7IT-TFIE�ADIIgG-EDGE-OF-THE-itEAD-SHAL�BE-NO-GREATER-Q— THAN 9/16 INCH. A NOSING NOT.LESS THAN 3/4 INCH BUT.NOT.MORE THAN 1-1/4 INCHES = e SHALL BE PROVIDED ON STAIRWAYS WITH SOLID RISERS. A NOSING IS NOT REQUIRED WHERE a E a THE TREAD DEPTH IS A -MINIMUM OF 11 INCHES. d FFd9d y" THE GUARDS MAYBE WOOD, ALUMINUM, VINYL, OR EQUIVALENT. ;;•' ,--P.T. 5/4" X.6 BOARD RAIL CAP OPENINGS SHALL NOT .ALLOW THE PASSAGE OF A 4" DIAMETER SPHERE q3:=0" LANDING HEIGHT = 5 STEPS (MIN.) 2 X 4 TOP &,BOTTOM ATTACHED TO 14' 0" LANDING HEIGHT = 7 STEPS (MIN.) 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".30.-PASS THROUGH. STAIR AND LANDING ILLUMINATION REQUIRED ATTACH BALUSTERS TO TOP & BOTTOM W/ MIN. (1)#8: WOOD SCREW OR.EQUIV. A V 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) (1) 2 X 6 P.T. ATTACHED TO POSTS USING (5) 16d NAILS OR EQUIVALENT AT EACH- 2X6 TO POST CONNECTION. 1. co �•� ='. LID'LU O ..p� —�;o .> p; 0 �7 11111111�� ^ONCRETE OPTION: F STEPS ARE INSTALLED ON EXISTING CONCRETE, THE GROUND NNCHORS AND TIEDOWN STRAP CAN BE OMITTED. NE.P.T. 4 X 4 POSTS SHALL BE ANCHORED TO THE EXISTING 'ONCRETE SLAB USING SIMPSON'S L—BRACKET OR EQUIVALENT. (3).2 X 12 P:T. STAIR STRINGERS ATTACHED TO P.T. LANDING USING SIMPSON'S LSC ADJUSTABLE STAIR STRINGER OR EQUIV. N OTE: CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING pla I -C ALL DIMENSIONS AND CONDITIONS PRIOR TO CONSTRUCTION. F1 L �719 ALL STAIR COMPONENTS TO BE PRESSURE TREATED LUMBERI- ALL FASTENERS IN CONTACT WITH P.T. LUMBER TO BE HOT DIP GALVANIZED OR STAINLESS STEEL 2017 FBC-Residential (6th Edition) V ULT =ULTIMATE DESIGN WIND SPEED =160 MPH. VASD =NOMINAL DESIGN WIND SPEED = 124 MPH (TABLE 1609.3.1) (3 second gusts) 318 S. Scenic Hwy, Ste. 100 Lake Wales, FL 33853 Office: 863-589-5980 Fax: 1-866-865-2044 Drawing Number. S1 Senyb Engineering Services 318 S. Scenic Hwy, Ste 100 Lake Wales, FL 33853 © COPYRIGHT 2017 L J