HomeMy WebLinkAboutProduct Reviews; StepsHANDRAIL GRIP SIZE
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NORCIR[eLAR CIRCULAR RECESSED
44311b.63TYPeG L11311.5.6.2Typea).
'HANDRAIL HEIGHT, MEASURED VERTICALLY FROM THE SLOPED PLANE
ADJORLDIG THE TREAD NOSING. OR FINISH SURFACE OF RAMP SLOPE.
41 ALL BE NOT LESS THAN 34 INCHES AND NOT MORE THAN 38 INCHES.
•HANDRAIL SHALL BE PROVIDED ON AT LEAST ONE SIDE OF EACH
CON NUOUS RUN OF TREADS OF FLIGHT WITH FOUR OR MORE RISERS.
•HANDRWL ASSEMBLIES AND GUARDS SHALL BE DESIGNED TO RESIST A
LOAD OF 50 PLF APPLIED IN ANY DIREC71ON AT THE TOP AND TO
TRANSFER TNIS LOAD THROUGH THE SUPPORTS TO THE STRUCTURE.
9HANDRAO.S FOR STAIRWAYS SHALL BE CONTINUOUS FOR THE FULL LENGTH
OF THE FLIGHT. FROM A POINT DIRECTLY ABOVE THE TOP RISER OF THE
FLIGHT TU A FONT DRECTLY ABOVE THE LOWEST RISER OF THE FLIGHT.
HANDRAIL ENDS SHALL BE RETURNED OR SHALL TERMINATE IN NEWEL
POSTS OR SAFETY TEP.MNALS. HANDRAILS ADJACENT TO A WALL SHALL
HAVE A SPACE OF HOT LESS THAN 1-1/2 INCHES BETWEEN THE WALL
AND THE HANORAILS
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l Date:2011.6a.051235:li4d' 0'
2 X 2 BALUS
MIN. (3) SIMPSON'S SDS 1/4" X 4-1/2" —
WOOD SCREWS FOR Rod 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
EOUIV. AT 12" O.C. STAGGERED SCREW PATTERN
;:U ED DETAIL 2X6 P.T. LANDING CONSTRUCTION
16" O.C. FLOOR JOISTS USING (5) 16d NAILS OR
EQUIVALENT AT EACH JOIST TO RIM JOIST
CONNECTION.
OPENINGS SHALL NOT ALLOW 30" GROUND ANCHOR
L
s THE PASSAGE A 4' DIAMETER SPHERE W/ TIE DOWN STRAP
r3 STRAP TO WRAP AROUND P.T. 2 X 6 TIGHTLY
(DO NOT OVER TENSION STRAPS)
OPENINGS SHALL AO4ALLOW ER SPHERE (EACH SIDES OF LANDING)
N
1.) HANDRAIL ASSEMBUES 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
AO P F 'EC"..
4 1 F A 7
RECEIVEp
STAIR TREAD AND RISERS
1X M7RI:�'UIfIT SHALL BE 7-3/4 INCHES. THE RISER
BE MEASURED VERTICALLY BETWEEN LEADING EDGES OF THE
*'_.GREATEST RISER HEIGHT WITHIN ANY FLIGHT%CEDTHESMALLEST BY MORE THAN 3/8 INCH.
TPROVIDED THAT THE OPENINGS LOCATED MORE
ASURED VERTICALLY, TO THE FLOOR OR GRADE DO NOT
THE PASSAGE OF A 4-INCH DIAMETER SPHERE.
MINIMUM TREAD DEPTH SHALL BE 10 INCHES. THE TREAD DEPTH SHALL BE
SURED HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST PROJECTION
ADJACENT TREADS AND AT A RIGHT ANGLE TO THE TREAD'S LEADING EDGE.
GREATEST TREAD DEPTH WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED THE
ILLEST BY MORE THAN 3/8 INCH.
RADIUS OF CURVATURE AT THE LEADING EDGE OF THE TREAD SHALL BE NO GREATER
.N 9/16 INCH. A NOSING NOT LESS THAN 3/4 INCH BUT NOT MORE THAN 1-1/4 INCHE
ALL BE PROVIDED ON STAIRWAYS WITH SOLID RISERS. A NOSING IS NOT REQUIRED WHERE
TREAD DEPTH IS A MINIMUM OF 11 INCHES.
THE GUARDS MAYBE WOOD. ALUMINUM, VINYL, OR EQUIVALENT.
T. 5/4" X 6 BOARD RAIL CAP
OPENINGS SHALL NOT ALLOW
THE PASSAGE OF A 4" DIAMETER SPHERE
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.
3'-O" LANDING HEIGHT = 5 STEPS (MIN.)
4'-O" LANDING HEIGHT = 7 STEPS (MIN.)
5'-0" LANDING HEIGHT = 8 STEPS (MIN.)
STAIR AND LANDING ILLUMINATION REQUIRED
I, ATTACH BALUSTERS TO TOP & BOTTOM
W/ MIN. (1)#8 WOOD SCREW OR EQUIV.
CONCRETE OPTION:
T. 2X6 IF STEPS ARE INSTALLED ON EXISTING CONCRETE, THE GROUND
PATIO PAVERS (2" THICKNESS ANCHORS AND TIEDOWN STRAP CAN BE OMITTED.
OR EQUAL
THE P.T. 4 X 4 POSTS SHALL BE ANCHORED TO THE EXISTING
CONCRETE SLAB USING SIMPSON'S L-BRACKET OR EQUIVALENT.
MIN. UNIFORMLY DISTRIBUTED LIVE LOAD - STAIRS = 40 PSF
(1) 2 X 6 P.T. ATTACHED TO POSTS
USING (5) 16d NAILS OR EQUIVALENT AT EACH
2X6 TO POST CONNECTION.
(3) 2 X 12 P.T. STAIR STRINGERS ATTACHED TO F.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.
#56196 ON THE DATE AND/OR TIME
USING A DIGITAL SIGNATURE.
PRINTED COPIES OF THIS DOCUMENT
ARE NOT CONSIDERED SIGNED AND
SEALED AND THE SIGNATURE MUST
BE VERIFIED BY THIRD PARTY
CERTIFICATE AUTHORITY ON ANY
ELECTRONIC COPY.
(FAC 61G15-21004)
04-02-2021
SENYB ENGINEERING, LLC
--CA UC. NO: 30244
V ULT -ULTIMATE DESIGN WIND SPEED-160 MPH
VASD -NOMINAL DESIGN WIND SPEED. 124 MPH
(TABLE 16093.1)
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