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IF THESE SHEETS ARE NOT 24"X 36"THEN DRAWING IS NOT TO SCALE.
<br /> 2 X 12 LEDGER STRINGER
<br /> 2 X P.T. BLOCKING \ SUPPORT f_
<br /> GYPSUM TOPPING AT STRUCTURAL c'.
<br /> STAIR NOTES FLOOR - SEE FLOOR 5 1/2" CONNECTOR ;- ��
<br /> ASSEMBLIES - f
<br /> HEADROOM (IBC 1009.2): STAIRWAYS SHALL HAVE A MINIMUM HEADROOM CLEARANCE OF 80" MEASURED VERTICALLY FROM A LINE CONNECTING v,, ,,_
<br /> THE EDGE OF THE NOSINGS. SUCH HEADROOM SHALL BE CONTINUOUS ABOVE THE STAIRWAY TO THE POINT WHERE THE LINE INTERSECTS THE CARPET FINISH
<br /> LANDING BELOW, ONE TREAD DEPTH BEYOND THE BOTTOM RISER. THE MINIMUM CLEARANCE SHALL BE MAINTAINED THE FULL WIDTH OF THE -SEE IFI \
<br /> STAIRWAY AND LANDING. HEADROOM: 2.03 M (6-8) MINIMUM atgieMOITI/1014,70 „ilrelaT :elf, ,
<br /> RISE AND RUN (IBC 1009,7.2!ICC A117.1 504.2):
<br /> � •, :•, � • , 2" CONTRASTING
<br /> 1. STAIR RISER HEIGHTS SHALL BE 7-INCHES MAXIMUM AND 4 INCHES MINIMUM. STAIR TREAD DEPTHS SHALL BE 11-INCHES MINIMUM. THE RISER V VINYL STAIR
<br /> HEIGHT SHALL BE MEASURED VERTICALLY BETWEEN THE LEADING EDGES OF ADJACENT TREADS. THE TREAD DEPTH SHALL BE MEASURED 1" 11" NOSING
<br /> HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST PROJECTION OF ADJACENT TREADS AND AT A RIGHT ANGLE TO THE REF SPEC & IFI
<br /> TREAD'S LEADING EDGE. (SECTION 1009.7.2) FOR TYPE
<br /> 2. STAIR TREADS AND RISERS SHALL BE OF UNIFORM SIZE AND SHAPE. THE TOLERANCE BETWEEN THE LARGEST AND SMALLEST RISER -- RISER WITH
<br /> OD
<br /> HEIGHT OR BETWEEN THE LARGEST AND SMALLEST TREAD DEPTH SHALL NOT EXCEED 3/8- INCH IN ANY FLIGHT OF STAIRS. (SECTION CARPET FINISH
<br /> 1009.7.2) TIE .10)
<br /> 3. OPEN RISERS ARE NOT ALLOWED. WE ARE ASSUMING CLOSED RISERS, A117.1-2009 SECTION 504,3 MA& * 4 i----
<br /> HANDRAILS (IBC 1009.12 & 1012/ICC A117.1 505): FLOOR - 5/4"TREAD PLANK
<br /> 1. HANDRAIL HEIGHT, MEASURED ABOVE STAIR TREAD NOSINGS SHALL BE UNIFORM, NOT LESS THAN 34 INCHES AND NOT MORE THAN FRAMINGOO SEE OR 1" PLYWOOD
<br /> 38 INCHES. •_
<br /> \ � \ STRUC, 00 STAIR TREAD
<br /> 2. HANDRAILS SHALL RETURN TO A WALL, GUARD OR THE WALKING SURFACE OR SHALL BE CONTINUOUS TO THE HANDRAIL OF AN -f Y / �� Y �'
<br /> ADJACENT STAIR FLIGHT. AT STAIRWAYS WHERE HANDRAILS ARE NOT CONTINUOUS BETWEEN FLIGHTS, THE HANDRAILS SHALL
<br /> EXTEND HORIZONTALLY AT LEAST 12 INCHES BEYOND THE TOP RISER AND CONTINUE TO SLOPE FOR THE DEPTH OF ONE TREAD APPLY FIRE RESISTIVE JOINT
<br /> BEYOND THE BOTTOM RISER. SYSTEM CONFORMING TO IBC SEE FLOOR PLAN SISTERED WHERE
<br /> 707.5, ASTM E119 OR UL 293 AT FOR WALL TYPES SHOWN ON STRUCTURAL
<br /> 3. HANDRAILS SHALL RETURN TO A WALL, GUARD OR THE WALKING SURFACE OR SHALL BE CONTINUOUS TO THE HANDRAIL OF AN '-'\ \" ALL GAPS AND PENETRATIONS z
<br /> ADJACENT STAIR FLIGHT. , �� : -WALL ASSEMBLY PER FLOOR S T A I R T O P AT RATED SUPPORT WALL
<br /> ;�� PLANS a
<br /> NOSINGS (IBC 1009.4.5/ICC A117.1 504.5): THE RADIUS OF CURVATURE AT THE LEADING EDGE OF THE TREAD SHALL BE 1/2 INCH MAXIMUM. NOSINGS 4
<br /> THAT PROJECT BEYOND RISERS SHALL HAVE THE UNDERSIDE OF THE LEADING EDGE CURVED OR BEVELED. RISERS SHALL BE PERMITTED TO FIN. FLOOR ON GYPSUM TOPPING 1 1 / 2 " = 1 '-O" w
<br /> SLOPE UNDER THE TREAD AT AN ANGLE OF 30 DEGREES MAXIMUM FROM VERTICAL. THE PERMITTED PROJECTION OF THE NOSING SHALL BE 1-1/2"
<br /> MAXIMUM OVER THE TREAD OR FLOOR BELOW. THE LEADING 2" OF THE TREAD SHALL HAVE A VISUAL CONTRAST OF DARK-ON-LIGHT OR LIGHT-ON-
<br /> DARK FROM THE REMAINDER OF THE TREAD. NOSINGS: IDENTIFY TREAD EDGE FOR FULL WIDTH OF STAIR TREAD. CONTRAST: CHANGE FLOOR I 3/8" PLYWOOD RISER (SLANTED)
<br /> COLOR OR MATERIALS TO IDENTIFY STAIR LOCATION. PLYWD SUBFLOOR 11"TYP. 1" PLYWOOD TREAD LI
<br /> ENCLOSURES UNDER STAIRWAYS (IBC 1009.6.3): THE WALLS AND SOFFITS WITHIN ENCLOSED USABLE SPACES UNDER ENCLOSED AND71' 2" CONTRASTING o
<br /> UNENCLOSED STAIRWAYS SHALL BE PROTECTED BY 1-HOUR FIRE RESISTANCE CONSTRUCTION, OR FIRE RESISTANCE RATING OF STAIRWAY I JOIST HANGER-SEE STRUCTURAL VINYL STAIR NOSING-
<br /> ENCLOSURE, WHICHEVER IS GREATER.ACCESS TO THE ENTRANCE USABLE SPACE SHALL NOT BE DIRECTLY FROM WITHIN THE STAIR ENCLOSURE. RIM JOIST-SEE STRUC. r SEE IFI
<br /> LANDINGS (IBC 1009.5): THERE SHALL BE A LANDING AT THE TOP AND BOTTOM OF EACH STAIRWAY, THE WIDTH OF LANDINGS SHALL NOT BE LESS +
<br /> 1"NOSING TYP. BLOCKING/NAILER
<br /> THEN THE WIDTH OF STAIRWAYS THEY SERVE. EVERY LANDING SHALL HAVE A MINIMUM DIMENSION MEASURED IN THE DIRECTION OF TRAVEL 1'
<br /> IIIltftlifl' STRUCTURAL
<br /> EQUAL TO THE WIDTH OF THE STAIRWAY. SUCH DIMENSION NEED NOT EXCEED 48 INCHES WHERE THE STAIRWAY HAS A STRAIGHT RUN. DOORS ( CONNECTION
<br /> OPENING ON TO THE LANDING SHALL NOT REDUCE THE LANDING TO LESS THAN ONE-HALF REQUIRED WIDTH. WHEN FULLY OPEN, DOORS SHALL BEAM -SEE STRUCTURAL
<br /> NOT PROJECT MORE THAN 7" INTO LANDING. SIDES OF STAIRS. DESIGN AND FASTEN TO RESIST A MINIMUM FORCE OF 0.73 KN/Mt ,
<br /> \ DRAWN BY: KL
<br /> (50 LBS./LF )AND A SINGLE CONCENTRATED FORCE OF 0.89 KN (200 LBS.)APPLIED
<br /> IN ANY DIRECTION. :( GYPCRETE AT FLR LEVEL
<br /> „�, :,, .,,, LANDING ONLY-SEE CHECK: LJ
<br /> ROOF ACCESS (IBC 1009.13): IN BUILDINGS FOUR OR MORE STORIES ABOVE GRADE PLANE, ONE STAIRWAY SHALL EXTEND TO THE ROOF, UNLESS = I . ° - . _- FLOOR ASSEMBLIES
<br /> THE ROOF HAS A SLOPE STEEPER THAN 4:12.
<br /> � / --�,. /
<br /> DISCHARGE IDENTIFICATION (IBC 1022.7): A STAIRWAY IN AN EXIT ENCLOSURE SHALL NOT CONTINUE BELOW THE LEVEL OF EXIT DISCHARGE - NOTES:
<br /> UNLESS AN APPROVED BARRIER IS PROVIDED AT THE LEVEL OF EXIT DISCHARGE TO PREVENT PERSONS FROM UNINTENTIONALLY CONTINUING - IINTO LEVELS BELOW. DIRECTIONAL EXIT SIGNS SHALL BE PROVIDED AS SPECIFIED IN SECTION 1011. FLOOR FRQAMING AT G STOR I ENCLOSURE41110i/a2X6
<br /> I PLOT DATE: 7r20/20171:15:31 PM
<br /> TACTILE EXIT SIGNS (IBC 1011.3/ICC A117.1 504.9): THE EXIT DOOR DISCHARGING TO THE OUTSIDE OR TO THE LEVEL OF EXIT DISCHARGE SHALL 7 %Mr
<br /> JOB NO:HAVE A TACTILE SIGN STATING"EXIT."
<br /> 1 1 / 2 = 1 0 �. 5/8"TYPE X' B 5215
<br /> FLOOR IDENTIFICATION SIGNS (IBC 1022.8): A SIGN SHALL BE PROVIDED AT EACH FLOOR LANDING IN EXIT ENCLOSURES CONNECTING MORE THAN .- �� ��/-
<br /> THREE STORIES DESIGNATING THE FLOOR LEVEL, THE TERMINUS OF THE TOP AND BOTTOM OF THE EXIT ENCLOSURE AND THE IDENTIFICATION OF
<br /> THE STAIR. THE SIGNAGE SHALL ALSO STATE THE STORY OF AND THE DIRECTION TO, THE EXIT DISCHARGE WHETHER THERE IS ROOF ACCESS
<br /> FROM THE ENCLOSURE FOR THE FIRE DEPARTMENT AND WHETHER THE ROOF ACCESS IS ACCESSED BY ROOF HATCH,THE SIGN SHALL BE
<br /> ..•
<br /> LOCATED 5 FEET ABOVE THE FLOOR LANDING IN A POSITION THAT IS READILY VISIBLE WHEN DOORS ARE IN OPEN AND CLOSED POSITION. FLOOR y \ *I": `
<br /> LEVEL IDENTIFICATION SIGNS IN TACTILE CHARACTERS COMPLYING WITH ICC A117.1 SHALL BE LOCATED AT EACH FLOOR LEVEL LANDING ADJACENT WALL ASSEMBLY PER FLOOR PLANS �;
<br /> TO THE DOOR LEADING FROM THE ENCLOSURE INTO THE CORRIDOR TO IDENTIFY THE FLOOR LEVEL. SEE DETAIL 4 THIS SHEET FOR SIGNAGE �= STAIR BOTTOM AT LANDING
<br /> REQUIREMENTS PER IBC 1022.8.1. 1x12 KICKBOARD (OR 3/4"MDF) 0 s
<br /> GUARD &RAIL ASSEMBLY: } a
<br /> 1% GYPSUM TOPPING AT 4; ,h •, :.
<br /> FINISH FLOORING ON •-•- .., i ,P.,,>;,,,..
<br /> PROVIDE GUARD AND RAIL ASSEMBLY PROTECTION AT THE ` r FLOOR LEVEL LANDING "- '-''k'in ••�'�- " '"" ^'�'
<br /> FOLLOWING AREAS: ,>� !f WOOD TREAD.77,,z_sz9-1,)7.1E ,S SEE FIN. ONLY-SEE FLOOR Jensen/Fey 1
<br /> . .
<br /> OPEN FLOORS&WALKWAYS: AT OPEN AREA LEVEL CHANGES TO PREVENT A
<br /> 2x12 STAIR HEADER BEAM- I Architecture and Planning
<br /> PERSON FROM ACCIDENTALLY STEPPING OR WALKING OFF THE UPPER FLOOR. STRINGER SEE I 7730 LEARY WAY NE
<br /> -- §TfiUgTU A�
<br /> DESIGN CRITERIA: PROVIDE FOR THE FOLLOWING. REDMOND, WA 98052
<br /> �. FIRE RETARDANT N TOR TEL:425.216.0320 FAX:425.216.0329
<br /> • HEIGHT: 107 CM (42 INCH) FLOOR LEVEL
<br /> •OPENINGS: DESIGN TO RESTRICT THE PASSAGE OF A 10 CM (4 INCH) DIAMETER �- L. TREATED 2x6 LEDGER 2x6 REINF. �' '' °°°" ., -: -
<br /> BALL. �\ FOR KICKBOARD SEE STRUC. ,-, , ,/ ///,;i'j ' 2, ;r /1 -
<br /> • BOTTOM RAIL: 5 CM (2 INCH) MAXIMUM ABOVE FLOOR CARPET FINISH SEE IFI j
<br /> • DESIGN TO RESTRICT CLIMBING. \ - 2"CONTRASTING VINYL
<br /> • DESIGN AND FASTEN TO RESIST A MINIMUM FORCE OF 0.73 KN/M (50 LBS,/LF) /1101/2" SHIM AS REQ'D STAIR NOSING
<br /> AND A SINGLE CONCENTRATED FORCE OF 0.89 KN (200 LBS.)APPLIED IN ANY • „
<br /> DIRECTION. �� , ���-
<br /> • DESIGN INTERMEDIATE RAILS AND PANELS TO RESIST A HORIZONTAL LOAD OF 0.22 _ 5/8"TYPE'X'GWB _ -1/4" PLYWOOD RISER WITH
<br /> KN (50 LBS.) PER 0.093 M2(1 SQ. FT.) ` CARPET FINISH
<br /> ACCESSIBLE MEANS OF EGRESS (IBC 1007.3 LINE WITH SSTRINGERS ANDE �.1:' 2x6 FIREBLOCKING
<br /> LANDINGS STUDSN LONG AND IN VIP o /� \\ N- CO
<br /> 1, INTERIOR EXIT STAIRWAYS ARE ONE COMPONENT FOR THE ACCESSIBLE MEANS OF EGRESS FROM LEVELS ABOVE AND BELOW GRADE. , •- .
<br /> A. THE 48" CLEAR WIDTH BETWEEN HANDRAILS REQUIREMENT IS NOT REQUIRED IN SPRINKLERED BUILDINGS (SBC 1007.3, EXCEPTION 2). 4111‘10:
<br /> / / ' CV
<br /> B. THE AREA OF REFUGE REQUIREMENT IS NOT REQUIRED IN SPRINKLERED BUILDINGS. V -5/4"TREAD PLANK OR 1" CO
<br /> C. ACCESSIBLE STAIRS SHALL COMPLY W/ICC A117.1 SEC. 50. \ STAIR STRINGER A T RATED WALL LANDING FRAMING SEE STRUC. ... PLYWOOD STAIR TREAD W
<br /> 2. ENCLOSURES REQUIRED (IBC 1022): INTERIOR EXIT STAIRWAYS SHALL BE ENCLOSED WITH 2 HOUR FIRE BARRIERS. EXTERIOR WALLS SHALL 6 t
<br /> BE RATED AS REQUIRED FOR EXTERIOR WALLS. REFER TO SHEET A0.8A FOR FIRE RATED ASSEMBLIES. 1 1 / 2 " = 1 '-0 " 2X BLOCKING/NAILER
<br /> 3. PENETRATIONS (IBC 1022.4): REFER TO SHEET A0.6 FOR REQUIREMENTS. 5/8"GWB 1.1.-
<br /> 4. LIGHTING (ICC A117.1 -504.8): LIGHTING SHALL BE CAPABLE OF PROVIDING 10 FOOT-CANDLES (108 LUX)OF LUMINANCE MEASURED AT THE 2X6 SISTERED VVHERE O (-
<br /> CENTER OF THE TREAD SURFACE AND ON LANDING SURFACES WITHIN 24" OF NOSINGS. REFER TO ELECTRICAL PLANS. PROVIDE GENERAL SHOWN ON STRUCTURAL a III
<br /> 18" MIN. CLR FLR SPACE ILLUMINATION TO IDENTIFY STAIRS. I
<br /> CENTERED ON TACTILE 1' -0" I Q LU
<br /> CHARACTERS i SEE 18/A452 FOR >
<br /> 4" TRIM & CAP DETAIL -- STAIR TOP AT LANDING J W
<br /> 1-1/2"-2" DIAMETER WOOD OR METAL 2
<br /> 1/2" -' 3� _ 1/2" 1. STAIRWAY IDENTIFICATION -APPROVED y y - "
<br /> i �- HANDRAIL-SEE STAIR PLANS SHEETS e\/,,,,/./ 1 1 / 2 - 1 -0 I--- �J
<br /> NT t / " STAIRWAY IDENTIFICATION SIGNS SHALL BE I so FOR REQUIRED EXTENSIONS BEYOND �
<br /> FABRICATED AND LOCATED PER IBC 1022.9. r TOP AND BOTTOM RISERS, SEE ALSO W CO
<br /> THESE SIGNS SHALL BE MAINTAINED IN AN T _ _ GENERAL STAIR FLAG NOTE#3/A450 FOR (�
<br /> - - APPROVED MANNER. ADDITIONAL REQ'TS._ .,._ /1 1l2"r.' 2" CONTRASTING VINYL STAIR CARPET FINISH -SEE IFI Q > J
<br /> m . --co
<br /> )c 1 T 2. SIGN SIZE-MINIMUM 18"x 12" _,__
<br /> ROOF ACC 1 "CLEAR t� REF SPEC & IFI FOR TYPE 2X STRINGER
<br /> - 3. LETTER SIZES: Z
<br /> �� + .• . . 3/8" PLYWOOD RISER WITH J
<br /> • •• s STAIRWAY IDENTIFICATION 1 1/2" MIN „�;, „
<br /> ``' •� _ LETTERING w h= CARPET FINISH a- C) 0
<br /> FLOOR LEVEL DISIGNATION -5"MIN LETTERING C ':` , r
<br /> \ I ALL OTHER LETTERING 1" MIN LETTERING - �, r;
<br /> d N 5!4"TREAD PLANK OR 1" b ,- Z UJ
<br /> z PLYWOOD STAIR TREAD >
<br /> NOTES: ;' T F N
<br /> 1, 4"WIDE x 3' HIGH x 1/8"THICK SIGN MOUNTED _
<br /> AT STRIKE SIDE OF EXIT DOORS. 2 ''- w P.T. 2X4'THRUST BLOCK' CO `c� U)
<br /> �- -J �"i w/GALV . ANCHOR BOLTSV . NOTCH
<br /> 2. LETTER CHARACTERS TO BE RAISED 1/32"x Q _ d 11" MIN. < - ---
<br /> 7/8" HIGH UPPER CASE, SAN SERIF TYPE AND �, �, <t \I STRINGER AT
<br /> N „.
<br /> N BLOCK
<br /> ACCOMPANIED BY GRADE 2 ROUNDED OR I2x6 SOLID �t FINISH FLOOR GWB
<br /> DOMED SHAPED BRILLE. r - BLOCKING 9 F EET:
<br /> 3. BRAILLED CHARACTERS TO CONFORM WITH - �� � ° . -
<br /> EXIT LEVEL
<br /> "w, A A
<br /> STANDARD DIMENSIONS FOR LITERARY (9 = ° '
<br /> BRAILLE AND AS INDICATED IN ADA i TOP OF TREAD `- - •- ° A .CON'CRE°TE'SLAB; . , .
<br /> GUIDELINES A4.30,4. BRAILLE FLOOR NUMBER a OR LANDING tP " ` I) A 4
<br /> .•
<br /> ° • - : . , PAR FLOOR PLAN` .. ;
<br /> 4. LOCATE SIGN AT EACH REQUIRED EXTERIOR BRAILLE STAIR ACCESS LEVELS • • •' •• -.-
<br /> EXIT
<br /> DOOR, (EXTERIOR DOORS WITH ,� TYPICAL CONDITION SEE SECTIONS FOR CONDITION °
<br /> ILLUMINATED EXIT SIGN ABOVE.) BRAILLE STAIR EXIT LEVEL ' ' - •' ''; ' '• _
<br /> TACTILE EXIT SIGN STAIR SIGNAGE HANDRAIL DETAIL STAIR BOTTOM 1
<br /> r -9 \ c.,_3)
<br /> (5)
<br /> Q
<br />
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