Loading...
HomeMy WebLinkAboutEngineered Stairs - Maxwell 478 Sneed RoadHANDRAIL GRIP SIZE 1' 24 t; 2' 0 � A. L- NONCIRCULAR e 0 Ao CIRCULAR RECESSED Perimeter 4'- 6.'' Pohmeter: >6.1' *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 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. *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. GUARD DETAIL F z0 f Q 2 X 2 BALUS 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" SDS 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. it aichten E N G IN E E R I N G. I N C. 4'-0" TYP. 5-0" MAX ZZ OPENINGS SHALL NOT ALLOW 30" GROUND ANCHOR THE PASSAGE OF A 4" DIAMETER SPHERE W/ TIE DOWN STRAP STRAP TO WRAP AROUND P.T. 2 X 6 TIGHTLY (DO NOT OVER TENSION STRAPS) OPENINGS SHALL NOT ALLOW (EACH SIDES OF LANDING) THE PASSAGE OF A 4" DIAMETER SPHERE NOTES: 1.) HANDRAIL ASSEMBLIES AND GUARDS SHALL BE DESIGNED TO RESIST A CONCENTRATED LOAD OF 200 POUNDS IN ACCORDANCE WITH SECTION 4.5.1 OF ASCE 7. 2) IMMEDIATE RAILS, BALUSTERS, AND PANEL FILLERS SHALL BE DESIGNED TO RESIST A CONCENTRATED LOAD OF 50 POUNDS IN I ACCORDANCE H SECTION 4 1 OF ASCE 7 .T. 2X6 Digitally signed by Mark V Richter Date: 2020.06.02 18:41:18-04'00' .T. 5/4" X 6 BOARD RAIL CAP STAIR TREAD AND RISERS THE MAXIMUM RISER HEIGHT SHALL BE 7-3/4 INCHES. THE RISER SHALL BE MEASURED VERTICALLY BETWEEN LEADING EDGES OF THE ADJACENT TREADS. THE GREATEST RISER HEIGHT WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED THE SMALLEST BY MORE THAN 3/8 INCH. OPEN RISERS ARE PERMITTED PROVIDED THAT THE OPENINGS LOCATED MORE THAN 30 INCHES, AS MEASURED VERTICALLY, TO THE FLOOR OR GRADE DO NOT PERMIT THE PASSAGE OF A 4—INCH DIAMETER SPHERE. THE MINIMUM TREAD DEPTH SHALL BE 10 INCHES. THE TREAD DEPTH SHALL BE MEASURED HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST PROJECTION OF ADJACENT TREADS AND AT A RIGHT ANGLE TO THE TREADS LEADING EDGE. THE GREATEST TREAD DEPTH WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED THE SMALLEST BY MORE THAN 3/8 INCH. THE RADIUS OF CURVATURE AT THE LEADING EDGE OF THE TREAD SHALL BE NO GREATER THAN 9/16 INCH. A NOSING NOT LESS THAN 3/4 INCH BUT NOT MORE THAN 1-1/4 INCHES SHALL BE PROVIDED ON STAIRWAYS WITH SOLID RISERS. A NOSING IS NOT REQUIRED WHERE THE TREAD DEPTH IS A MINIMUM OF 11 INCHES. OPENINGS SHALL NOT ALLOW THE PASSAGE OF A 4" DIAMETER SPHERE (1) 2 X 6 P.T. ATTACHED TO POSTS USING (5) 16d NAILS OR EQUIVALENT AT EACH 2X6 TO POST CONNECTION. THE GUARDS MAYBE WOOD, ALUMINUM, VINYL, OR EQUIVALENT. 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)#8 WOOD SCREW OR EQUIV. 3'-0" LANDING HEIGHT = 5 STEPS (MIN.) 4'-0" LANDING HEIGHT = 7 STEPS (MIN.) 5'-0" LANDING HEIGHT = 8 STEPS (MIN.) 11 STAIR AND LANDING ILLUMINATION REQUIRED CONCRETE OPTION: IF STEPS ARE INSTALLED ON EXISTING CONCRETE, THE GROUND ANCHORS AND TIEDOWN STRAP 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. 11 MIN. UNIFORMLY DISTRIBUTED LIVE LOAD — STAIRS = 40 PSF 11 (3) 2 X 12 P.T. STAIR STRINGERS ATTACHED TO P.T. LANDING USING SIMPSON'S LSC ADJUSTABLE STAIR STRINGER OR EQUIV. 1/8" GALVANIZED CABLE COIL (7 X 7 OR 7 X 19 CONSTRUCTION) MAYBE USED INSTEAD OF THE 1-1/4" WIDTH TIE —DOWN STRAP NOTE: CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING ALL DIMENSIONS AND CONDITIONS PRIOR TO CONSTRUCTION. ALL STAIR COMPONENTS TO BE PRESSURE TREATED LUMBER ALL FASTENERS IN CONTACT WITH P.T. LUMBER TO BE HOT DIP GALVANIZED OR STAINLESS STEEL THIS ITEM HAS BEEN ELECTRONICALLY SIGNED AND SEALED BY MARK V. RICHTER, P.E. USING A DIGITAL SIGNATURE. PRINTED COPIES OF THIS DOCUMENT ARE NOT CONSIDERED SIGNED AND SEALED AND THE SIGNATURE MUST BE VERIFIED ON ANY ELECTRONIC COPIES. 05-29-2020 SENYB ENGINEERING, LLC CA LIC. NO: 30244 comply wren becuon su t.z. l or me 2017 BC -Residential (6th Edition) V ULT =ULTIMATE DESIGN WIND SPEED = 170 MPH VASD =NOMINAL DESIGN WIND SPEED = 132 MPH (TABLE 1609.3.1) (3 second gusts) 50 W. Central Ave., Ste. B Lake Wales, FL 33853 Office: 863-589-5980 Fax:1-866-865-2044 a 0 NO E U E c = N rn warn c �w - d a N� m 5 W w i aw?W C N O N W O 0 O. N m n o N r a y 9 r 0 o� F o U m /n Eat V U m a� ac n`m � d � J w J N O Q �R m -oEm� a L L 42 L E rTIo llrr II��� 1,1 :. VJ� - c 0 2 N '0 c 0 U C-i a a U; 0 Y E o z CM s U U m U F m a W 3� N c 3 o > m m 00 af0a o Drawing Number: S2 STAIR CONSTRUCTION Senyb Engineering Services 50 W. Central Ave. Lake Wales, FL 33853 © COPYRIGHT 2017 At