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Q <br />L0 <br />Lp <br />0 <br />77 <br />N <br />O <br />N <br />N <br />L: <br />^X, <br />W <br />co <br />I <br />Z <br />I <br />0 <br />UI <br />L <br />0 <br />L <br />0 <br />U <br />0 <br />LL <br />ti <br />N <br />00 <br />0 <br />U <br />0 <br />0 <br />X <br />0 <br />g <br />U <br />L <br />0 <br />U <br />U <br />w <br />Q <br />z <br />w <br />J <br />U- <br />FOS FOC <br />29'-11" <br />GIRDER TRUSS 1 <br />FULL DEPTH BLOCKING <br />2 HR STAIR ENCLOSURE <br />FRAMING CONTINUOUS TO <br />UNDERSIDE OF ROOF <br />SHEATHING TYPICAL <br />TRUSSES ARE NOT ALLOWED <br />TO PENETRATE MEMBRANE <br />OF 2 HR ASSEMBLY <br />12 9A <br />Q 4.1 <br />z ATTIC <br />NO STORAGE <br />u- 7J <br />I - <br />I 1 <br />12 FULL DEPTH BLOCKING \ <br />A490 \ <br />CORRIDOR 8 \ <br />\ <br />7J A490 \ \ <br />\ <br />5 <br />0 3 \� <br />Q o <br />8D 8D Z) I <br />11' - 8 1/2" (5 M = 7' - 5" <br />I <br />1 <br />A490 \ <br />CORRIDOR <> 2 6 \ <br />7J Ua A490 \ \ <br />J � <br />5 <br />8D 8D 1 0 <br />T.O. PLATE <br />8D <br />00 <br />MECHANICAL CLOSET FOR <br />STAIRWAY PRESSURIZATION o <br />EQUIPMENT - DEFERRED bo <br />SUBMITTAL <br />5'- 2 1/2" LEVEL 6 -TYPE V-A <br />T.O. GYPCRETE <br />5 <br />8 D U-5A �t <br />M Q q <br />00=- co <br />T T <br />- - - - - - - <br />co JL <br />4 <br />LO <br />co <br />1 5 <br />0011- \ \ 8 D 7A <br />CORRIDOR > 2 \ <br />7J Ua \ <br />\ <br />Of \ 2 <br />co II \ I A490 <br />5 J <br />8D 8D <br />A <br />4 <br />I <br />1 5 <br />I CORRIDOR c i \ \ 7A <br />2 <br />7J @ 00 <br />� II <br />I \ <br />5 3 <br />8D 8D A490 4 <br />I � A490 A <br />00 <br />LO- - - - - - <br />-' 4 <br />I <br />M <br />LEVEL 5 - TYPE V-A <br />T.O. GYPCRETE <br />M <br />LEVEL 4 - TYPE V-A <br />T.O. GYPCRETE <br />M <br />LEVEL 3 - TYPE V-A <br />T.O. GYPCRETE <br />15 <br />\ <br />1 <br />5 <br />A490 <br />N <br />8D <br />CORRIDOR <br />N <br />\ <br />\ <br />7A <br />� <br />00 <br />7J <br />\ <br />M <br />2 <br />00 <br />I <br />5 <br />� II <br />6 \ <br />9A <br />2B <br />I <br />2B <br />\ <br />A490 \ <br />\ <br />LEVEL 2 - TYPE V-A <br />\ <br />\ <br />T.O. PT DECK <br />- <br />3 <br />\ <br />R-15 <br />\ <br />CONTINUOUS <br /><\ <br />4 <br />\ <br />INSULATION <br />_ <br />1 B <br />R <br />(0`0 <br />2 <br />00 <br />/ <br />d <br />0 (0 <br />o <br />U:3CD <br />11" <br />11 <br />0o <br />Q <br />00 0 <br />4F <br />II <br />-j o <br />a <br />U — <br />Q <br />GARAGE <br />< <br />UNUSABLE SPACE <br />z <br />NO STORAGE <br />li <br />2A <br />2A <br />5 <br />LEVEL 1 -TYPE I -A <br />T.O. SLAB <br />- <br />A <br />U <br />AF <br />I <br />- - <br />I=III=III=III <br />d <br />III=III=III=III=III <br />' <br />w <br />_ <br />III=III=III=III=III=III=III=1 <br />°` <br />1=III=III=III=III=III=III=III=III=1 <br />II <br />I_I ;III II, —III=III=III=III <br />_ _ = <br />III=1 1=III=1=I <br />= <br />ill =ill <br />ill <br />l II II <br />_ _ � <br />a' n <br />III—III-1=1 1=III=III=1 <br />1=III—I I —III —III II <br />—I —I <br />III —I <br />I II II 1=_I 1=1 <br />-I=1=1=1 <br />a <br />; .=1=1 <br />d <br />_ �_° <br />III —III <br />-III <br />i <br />—III III-1 I— <br />_III <br />14 =III I I -I - '" <br />a ". .' <br />:, <br />_ <br />`.:I <br />I, <br />a <br />= <br />_- <br />—1 —1111 III— — 1—III1I- <br />III III III III III IIIFi I��- A490 <br />NOTE: THIS LEVEL 1 CONDITION IS FOR TYPICAL 19 RISER FIRST FLOOR RUN. SEE <br />INDIVIDUAL BUILDING LEVEL 1 PLANS FOR SPECIFIC LEVEL 1 STAIR CONFIGURATIONS. <br />LEVEL 2 AND ABOVE CONDITIONS WILL ALL FOLLOW WHAT IS SHOWN HERE. <br />STAIR TYPE A - TYPICAL SECTION <br />1/4" = 1'-0" <br />5 <br />7C A480 C? 7C <br />7D iv 7D <br />10'-$ <br />CORRIDOR 7J <br />HVAC SHAFT <br />181 <br />AREA FOR 2' - 4" N <br />STANDPIPE _ LO <br />7J 7J <br />HATCHING <br />INDICATES 2-HOUR L _ _ _ J� z <br />CONSTRUCTION, <br />I I <br />NO PLUMBING C?- <br />PENETRATIONS `� M <br />CONTINUE GUARD iv <br />WALL ALONG EDGE I� - 5 — - 9 <br />OF LANDING A490 A490 <br />RETURN HANDRAIL <br />TO FLOOR AT TOP / z <br />LEVEL <br />LL <br />N D N M <br />w CO <br />J N <br />CENTER WALL 11 1/4" 11 1/4"_ U <br />TERMINATES AT `? - <br />8' - 9 1 /2" I �t <br />+42" ABOVE c <br />WALKING II N <br />SURFACE, IN. <br />7 IqNR <br />44' - 1 1 /8"A490 FIN. CLR 7 iv A4902X4 UNIT WALL -CONSTRUCTED AS 1/2 zOF ASSEMBLY / LL <br />c, / --0 �13 <br />crr <br />18" X 18" AREA FOR A490 <br />STAIR PRESSURIZATION - I - - 7A LO <br />CONDUIT I LO <br />10'-0" ~ <br />A <br />4 STAIR TYPE A - LEVEL 6 PLAN <br />1/4" = 1'-0" <br />5 <br />7C A480 7C <br />7D 7D <br />10'-8" <br />CORRIDOR 7J <br />HVAC SHAFT <br />181 <br />AREA FOR N <br />STANDPIPE - LO <br />7J 7J <br />HATCHING <br />INDICATES 2-HOUR L <br />CONSTRUCTION, - LL <br />I `? <br />__/ <br />NO PLUMBING � <br />PENETRATIONS <br />I <br />N 9 <br />/ \ z <br />N DN UP N cl) <br />W i0, <br />J N <br />11 1 /4" 11 1 /4"_ U <br />8' - 9 1 /2" �' 4 <br />II N <br />7 I I I � <br />- — 4'- 1 1 /8' 4' - 1 1 /8" <br />A490 FIN. LR FIN. CLR _ - 7 <br />4 3/4" iv A490 <br />7F 2X4 UNIT WALL - <br />CONSTRUCTED AS 1/2 / z_ <br />OF ASSEMBLY / LL <br />o / _ - 0 13 <br />18" X 18" AREA FOR CO r� - A490 <br />STAIR PRESSURIZATION I\ - - ' 7A LO <br />CONDUIT I `r' <br />10'- <br />0" <br />A <br />' 3 STAIR TYPE A - TYPICAL FLOOR PLAN <br />1/4" = 1'-0" <br />5 STAIR GENERAL NOTES <br />7C A480 7C <br />1. � SEE SHEET A040 & A041 FOR <br />- - I - - - - - FIRE -RESISTIVE ASSEMBLIES OHNSON BRAUNC <br />7D I 7D 2. IS SEE <br />TYPE 15200 52nd Ave. South <br />SEE SCHEDULE SHEETS Al 00 Suite 300 <br />10' - 8" & A101 Seattle, WA 98188 <br />CORRIDOR 7J J. Phone 206.766.8300 <br />HVAC SHAFT O WINDOW TYPE www.johnsonbraund.cor <br />SEE SCHEDULE SHEETS Al 00 ARCH I T E C T U RE <br />18l & A101 <br />INTERIOR DESIGN <br />N 3. ALL DIMENSIONS ARE FACE OF STUD Greg L. Allwine, <br />AREA FOR U.N.O. <br />STANDPIPE Jeffrey A. Williams, <br />l <br />- i 4. A FLIGHT OF STAIRS SHALL NOT HAVE <br />7J / 7J VERTICAL RISE GREATER THAN 12 FEET <br />HATCHING / I I\ BETWEEN FLOOR LEVELS OR LANDINGS. (IBC <br />SECTION 1011.8) <br />INDICATES 2-HOUR L_ _ J i LL <br />CONSTRUCTION, iv c., I - 5. STAIRWAYS SHALL HAVE HANDRAILS <br />NO PLUMBING DN l M ON EACH SIDE AND SHALL COMPLY WITH <br />PENETRATIONS '!' SECTION 1014 (IBC SECTION 1011.11) <br />I ' <br />9 6. SEE MECHANICAL SHEETS FOR <br />A490 LOCATION OF FIRE DAMPERS AND <br />COMBINATION FIRE/SMOKE DAMPERS. <br />z <br />z MECHANICAL PERMIT TO BE A DEFERRED <br />SUBMITTAL. 8556 <br />LL REGISTERED <br />UP lr_ M 7. INTERIOR FINISHES TO BE AS ARCHITECT <br />I w SELECTED BY OWNER AND TO COMPLY WITH <br />11 1/4" 11 1/4" U N IBC TABLE 803.11 (SPRINKLERED) FJ FO . 9 1/2" `O - INTERIOR EXIT STAIRWAYS AND EXIT eFFREY TxuR wILL1AM <br />�PASSAGEWAYS - CLASS C WASH NGTON <br />N CORRIDORS AND ENCLOSURE FOR <br />= EXIT ACCESS STAIRWAYS - CLASS C <br />ROOMS AND ENCLOSED SPACES - S7 <br />7 I 9 CLASS C <br />- — 4'- 1 1 /8" 4' - 1 1 /8" <br />A490 FIN. LR FIN. CLR ~ 7 8. WALL AND CEILING MATERAILS SHALL <br />A490 MEET THE FLAME SPREAD CLASSIFICATION IN <br />7F 2X4 UNIT WALL - N �'4 3/4" iv IBC SECTION 803.1.1 <br />CONSTRUCTED AS 1/2 1 / z 9. ALL AUDIBLE AND VISUAL ALARMS <br />OF ASSEMBLY 7D . / LL SHALL COMPLY WITH THE PROVISIONS OF <br />o / 0 13 NFPA 72 <br />I <br />18" X 18" AREA FOR A490 10. REFER TO STRUCTURAL DRAWINGS <br />STAIR PRESSURIZATION - I - -' CO <br />CONDUIT 7P`f 13 FOR FRAMING SIZES AND SPACING. <br />LO <br />11. SEE SHEET A490 FOR STAIR <br />IDENTIFICATION SIGNAGE. <br />10'-0" <br />12. ALL INTERIOR FLOOR FINISHES AND <br />P` COVERINGS SHALL COMPLY WITH DOC FF-1 <br />"PILL TEST" OR ASTM D2859 PER IBC SECTION <br />INSTALL (2) LAYERS OF TYPE-X DENS -GLASS 804.4.2 EXCEPTION. <br />SHEATHING ON OUTSIDE FACE OF WOOD - <br />FRAMED STAIRWELL ENCLOSURE WALLS <br />DURING FRAMING. SEE ASSEMBLY STAIR FLAG NOTES <br />DESCRIPTION ON SHEET A040 AND STAIR <br />DETAIL SHEET A489 FOR ADDITIONAL <br />INFORMATION. <br />HEADROOM (IBC SECTION 1009.5): <br />STAIRWAYS SHALL HAVE A MINIMUM <br />HEADROOM CLEARANCE OF 80" MEASURED <br />%� STAIR TYPE A -LEVEL 2 PLAN VERTICALLY FROM A LINE CONNECTING THE <br />1/4" = 1'-0" EDGE OF THE NOSINGS. SUCH HEADROOM <br />SHALL BE CONTINUOUS ABOVE THE <br />STAIRWAY TO THE POINT WHERE THE LINE <br />INTERSECTS THE LANDING BELOW, ONE <br />TREAD DEPTH BEYOND THE BOTTOM RISER. <br />THE MINIMUM CLEARANCE SHALL BE <br />Q <br />0 <br />U)11� <br />ww <br />o <br />a <br />Uj <br />O <br />N <br />O <br />N <br />wQo <br />CO <br />c <br />0 <br />.Q- <br />N <br />d <br />0 <br />d <br />a <br />0 <br />d <br />5 MAINTAINED THE FULL WIDTH OF THE <br />A480 STAIRWAY AND LANDING. <br />2 <br />RISER HEIGHT & TREAD DEPTH (IBC <br />SECTION 1009.7.4 / ICC A117.1-2009 SECTION <br />504.2): RISERS SHALL BE 4" MINIMUM AND 7" <br />MAXIMUM IN HEIGHT. TREADS SHALL BE 11" <br />HORIZONTAL SHIFT IN I MIN. IN DEPTH. STAIR TREADS AND RISERS <br />STANDPIPE BELOW P.T. DECK TO I SHALL BE OF UNIFORM SIZE AND SHAPE. <br />OCCUR ABOVE INSULATION AS <br />ALLOWED BY 2018 IFC SECTION <br />905.4.1 EXCEPTION. I 3 HANDRAILS (IBC SECTION 1009.15, <br />1012.2, 1012.6, 1012.7, & 1012.3.1 / ICC <br />FURRING WALL A117.1-2009 505): STAIRWAYS SHALL HAVE <br />1 <br />10' - 9 1/4" WITH INSULATION HANDRAILS ON EACH SIDE. HANDRAIL <br />4F i HEIGHT, WHERE MEASURED ABOVE STAIR <br />AREA FOR TREAD NOSINGS SHALL BE UNIFORM, NOT <br />1 g I STANDPIPE LESS THAN 34" AND NOT MORE THAN 38". <br />HANDRAILS SHALL RETURN TO A WALL, <br />OGUARD OR WALKING SURFACE OR BE <br />CONTINUOUS TO THE HANDRAIL OF AN <br />----�---- l ADJACENT STAIR FLIGHT. WHERE HANDRAILS <br />----�--- a,, N ARE NOT CONTINUOUS BETWEEN FLIGHTS, <br />- _ _ THE HANDRAILS SHALL EXTEND <br />- - - - o °' HORIZONTALLY AT LEAST 12" BEYOND THE <br />---- o <br />' N <br />_ TOP RISER AND CONTINUE TO SLOPE FOR A N rn <br />56x60 48x48 DEPTH OF ONE TREAD BEYOND THE BOTTOM �,Q <br />RISER- SEE PLANS FOR LOCATIONS & o <br />_ <br />I 15 DIMENSIONS. HANDRAILS WITH A CIRCULAR w> N ---- ---- <br />SECTION SHALL HAVE AN OUTSIDE = N <br />DIMENSION OF AT LEAST 1-1/4" AND NOT L cow z <br />GREATER THAN 2". THE HAND GRIP PORTION Q Q U CO o <br />----�---- - - SHALL HAVE A SMOOTH SURFACE WITH NO ♦ ♦ � J rn <br />1'- 0 1/2" g-------- N SHARP CORNERS. HANDRAILS PROJECTING V w a L Q <br />- - 1'- 0 1/2" FROM A WALL SHALL HAVE A SPACE NOT L 0 Q c °O <br />cod C)LU <br />LESS THAN 1-1/2" BETWEEN THE WALL AND Q w U z <br />THE HANDRAIL. 0 w z o a) <br />1 ) 0 U <br />- O0 NOSINGS & RISER PROFILE (IBC <br />00 1> SECTION 1009.7.5 / ICC A117.1-2009 504.5.1): <br />THE RADIUS OF CURVATURE AT THE LEADING <br />EDGE OF THE TREAD SHALL NOT BE <br />cM�l GREATER THAN 1/2 INCH. BEVELINGS OF <br />7B NOSINGS SHALL NOT EXCEED 1/2 INCH. <br />RISERS SHALL BE SOLID AND VERTICAL OR <br />4F 4F SLOPED UNDER THE TREAD ABOVE FROM <br />4' - 1 1/8" 4' - 1 1/8" THE UNDERSIDE OF THE NOSING ABOVE AN <br />FIN. CLR FIN. CLR ANGLE NOT MORE THAN 30 DEGREES FROM <br />Av <br />I 1 B ti - THE VERTICAL. THE LEADING EDGE <br />4 3/4" 6' (NOSINGS) OF TREADS SHALL PROJECT NOT <br />:-, INJ MORE THAN 1-1/4" BEYOND THE TREAD <br />UP - I BELOW. THE LEADING 2" OF THE TREAD <br />— 48x48 5460 SHALL HAVE A VISUAL CONTRAST OF DARK- <br />\ I `b _ / _ ON -LIGHT OR LIGHT -ON -DARK FROM THE <br />00 }>, ��• 00 11 0 REMAINDER OF THE TREAD. <br />co coco <br />co LO�LO PROJECT #: 1 <br />J_ ` `O 1> STAIRWAY LANDINGS (IBC SECTION DRAWN BY: <br />4A L 4A 1009.8): THERE SHALL BE A FLOOR OR <br />LANDING AT THE TOP AND BOTTOM OF EACH CHECKED BY: <br />STAIRWAY. THE WIDTH OF LANDINGS SHALL <br />9 8 1/2" 4A NOT BE LESS THAN THE WIDTH OF <br />STAIRWAYS THEY SERVE. EVERY LANDING STAIR TYPE A - PLAN <br />10' - 0" SHALL HAVE A MINIMUM WIDTH MEASURED AND SECTION <br />PERPENDICULAR TO THE DIRECTION OF <br />GARAGE LEVEL - POP OUT TRAVEL EQUAL TO THE WIDTH OF THE <br />STAIRWAY. WHERE THE STAIRWAY HAS A <br />STRAIGHT RUN THE DEPTH NEED NOT <br />EXCEED 48". DOORS OPENING ONTO A <br />STAIR TYPE A - LEVEL 1 PLAN LANDING SHALL NOT REDUCE THE LANDING <br />1/4" = 1'-0" TO LESS THAN ONE-HALF THE REQUIRED A480 <br />WIDTH. WHEN FULLY OPEN, THE DOOR SHALL PERMIT SET 10/09/20,' <br />NOT PROJECT MORE THAN 7" INTO A <br />LANDING. <br />