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DI <br />E <br />F <br />CONTINUOUS HANDRAIL <br />PER SECTION �3 I I .7.8. I <br />"min. CLEAR FROM WALL 2"max <br />dia. KETUKN ENDS TO WALL <br />UPPED LEVL FF <br />+ 211.72' <br />OPEN RAIL CONSTRUCTION <br />PICKETS SHALL BE PLACED <br />'SUCH THAT A <br />5PIjE E 4" DIA CANNOT PADS <br />THROUGH <br />LR.0 R3 k 2. 1.3 $ EX.#! TRIANGULAR <br />OPENINGS @OPEN SIDE Of <br />STAIR FORMED <br />BY RI5EK,TKEAD * BOTT.P <br />IL OF GUARD <br />SHALL NOT ALLOW PAS5AC <br />E OF A SPHERE <br />G"DIA. <br />OPEN RISER CONSTRUCTION <br />PERM'TTE� PROVIDED THA <br />A 5PH <br />4" DIA CANNOT PASS THR <br />UG <br />(.K.0 R3I 1 .7.5.1 <br />"ruin <br />MAIN LEVI E�F � — <br />+ 200 A7' -. <br />INTERIOR r GUARDRAIL STAIR NOTES: <br />STAIRWAY CONSTRUCTION: <br />PER 2015 I.K,C CHAPTER 3 <br />SECTION K3 1 1 .5 <br />WINDING STAIRS PEF SECTION <br />R3 1 1 .7.4 1 R3 1 1 .7.5.2. I <br />19 <br />M <br />f PLYWOOD <br />@ LANDING <br />" 2 min. GYPSUM 13C <br />(WHEKE ACCE551 <br />2X4 NAILER <br />wr <br />I <br />r�9 Lo <br />STRINGERS I G" o.c MAX <br />2X IKE5TOP @ TOP * BOTTOM OF RUN <br />(RE 'D ALONG DETWEEN EACH STRINGER) <br />MAXIMUM RISER CANNOT EXCEED 7 3/4" AND MIN, TREAD CANNOT BE LESS THAN 10°.IRC SECTION R311.7.5.1 AND R311.7.5.2. <br />- HANDRAIL MUST NOT PROJECT MORE THAN 4 1/2" INTO THE STAIRWAY AND DUST BE ABLE TO RESIST A 200 LBS LOAD FROM ANY <br />DIRECTION, IRC SECTION R311.5 & TABLE R301.5. <br />PER SEC R312.1,3 CONTRACTOR TO MAKE SURE REQUIRED GUARDS SHALL NOT HAVE OPENINGS FROM THE WALKING SURFACE TO <br />THE REQUIRED GUARD HEIGHT THAT ALLOW PASSAGE OF A SPHERE 4" (102rnm) IN A DIAMETER. <br />a LIGHTING IS REQUIRED AT THE TOP, BOTTOM AND ANY LANDINGS WITH CONTROLS AT THE TOP AND BOTTOM OF STAIRS WITH 6 <br />OR MORE RISERS. IRC SECTION R303.6 <br />THE SPACING BETWEEN INTERMEDIATE HANDRAIL MEMBERS MUST NOT ALLOW 4 SPHERE TO PASS THROUGH ANY OPENING. <br />IRC SECTION R312.1 <br />MINIMUM STAIRWAY WIDTH ABOVE HANDRAIL SHALL BE NO LESS THAN 36 IRC SECTION R311.7,1 <br />STAIR AND STAIR LANDING MINIMUM WIDTH SHALL BE NO LESS THAN 36" (31 1/2" CLEAR IF ONE HANDRAIL AND 27" CLEAR IF TWO <br />HANDRAILS), IRC SECTION R311.7.1 <br />THE TREADS LEADING EDGE CURVATURE CAN HAVE A MAX. RADIUS OF 9/16". THE MAX. BEVELLING OF NOSING SHALL BE NO MORE <br />THAN 112". IRC SECTION R311.7.5. <br />RISER OR TREAD MAXIMUM DIFFERENTIAL SHALL BE NO MORE THAN 3/8". IRC SECTION R311.7.5. 1&2. <br />NOSING IS NOT REQUIRED FOR STAIRS WITH TREADS GREATER THAN 11". IRC SECTION R311.7.5.3.. <br />-RAILING MUST BE ABLE TO WITHSTAND POINT LOAD 2001. BS IN ANY DIRECTION TYPICAI. <br />INTERIOR UNDER STAIR NOTES: <br />w INSTALL 5/8" TYPE'X.' GWB BELOW STAIRS @ CEILINGS AND WALLS. <br />FIRE BLOCKING @ MID SPAN AND IN STUD WALLS ALONG & IN -LINE WITH STRINGERS IS REQUIRED IF AREA UNDER STAIR IS <br />UNFINISHED. <br />LANDING NOTES: <br />LANDING WIDTH SHALL NOT BE LESS THAN THAT OF STAIR SERVED. IRC SECTION R311.7.6. <br />LANDING SHALL NOT BE LESS THAN 36" IN DIRECTION OF TRAVEL. IRC SECTION R311.7.6. <br />SPIRAL STAIRCASE: <br />- PER SEC IRC 2015 R311.7.10.1 SPIRAL STAIRWAYS ARE PERMITTED, PROVIDED THAT THE CLEAR WDTH AT AND A3 <br />BELOW THE HANDRAIL IS NOT LESS THAN 26" AND THE WALKLINE RADIUS IS NOT GREATER THAN 24", <br />EACH TREAD SHALL HAVE A DEPTH OF NOT LESS THAN 6 3/4" AT THE WALKLINE. <br />-ALL TREADS SHALL BE IDENTICAL AND THE RISE SHALL BE NOT MORE THAN 9 1/2". <br />-HEADROOM SHALL BE NOT LESS THAN 6'-6" <br />A 35 CLIP <br />I X 1lO" o«F� <br />OVER <br />TO RA <br />TYP . <br />2x THE <br />HDWD <br />5UBFL <br />SCAM l o V—Cr <br />SO MIN. STAIRWAY WIDTH <br />PER IRC R3 1 1.5 1 <br />4 <br />t L /l , v Y Ld <br />SINJIFSONI 51-CFED <br />IIUC28 OR EQUAL <br />BEAM PER PLAN <br />BELOW STAIR INSTALL 1/2" <br />G,W.B. CEILING WALLS <br />2X4 THRUST (3) 2X 1 2 STRINGERS <br />BLOCK <br />FIRE BLOCKING MID -SPAN <br />4' O.C. BELOW STAIR INSTALL I /2" <br />IVI <br />C d JOIST OR BLOCKING FLOOR BELOW <br />NOTE : GREATEST AND LATEST TREAD <br />RISER SHALL NOT VARY MORE THAN 318" <br />(PER IRCR3 1 1 ,5.3, I R3 1 1 5.3,2) <br />8 <br />I1 3 <br />b _. ' <br />�. <br />—ALIGN W1 NOSING OF <br />LANDING <br />MOUNTING BKACE5 <br />EVENLY SPACED 4'-0" <br />O.C. MAX, <br />12" <br />I i i4" O WOOD RAIL W/°. <br />1! /4" WOOD <br />RADIUSED TRAN51TIOPJS <br />- - - <br />HANDRAIL @UNITS, <br />RETURNS, <br />PAINTED METAL @ <br />I 112 <br />COMMON AREAS, TYP. <br />MIN. <br />ALL BRACKET <C <br />0 <br />ATTACHED �Ml 3/&1 <br />— LAG STUDS TO > <br />O <br />23" TYF <br />BLOCKING AS O G <br />— <br />SHOWN Q <br />N <br />2X� BLOCKING <br />�l 15 . 7� 1 <br />LANDING LEVEL <br />ML LANDING DETAIL <br />1 1 j2 I®- <br />DESIGNLYRIC <br />9824 223RD PL RIE <br />REDMOND WA 98053 <br />PH: 206-853-9874 <br />REVISIONS: <br />9/02/20 - COMMENTS FROM CITY <br />11/11/20 - COMMENTS FROM CITY <br />1/14/21 - COMMENTS FROM CITY <br />APPROVALS: <br />DES3GNED SS <br />II� <br />RS <br />DRAWN <br />SS <br />CHECKED <br />DATE 6-01-2020 <br />SCALE AS NOTED <br />a <br />PROJECT CLIENT' <br />SARANIP,fVJIT awAl IWAL <br />PROJECT: <br />DbAL11NAL RESIDENCE <br />SHEET TITLE, <br />STAIR DETAILS <br />CITY OF EVE ETT <br />RENEWED FOR PERMIT <br />PR #: 05092019 A6.02 <br />