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3 3.2 <br />_Mwdow11 <br />1�milli <br />IIfAll�lll� <br />u�l�lll® <br />I�I�fl�i <br />' <br />lip" <br />I <br />f <br />C.2 <br />3.2 3.4 4 4.3 T <br />3 <br />3'S 13132" 13'J 19I32' <br />a'D <br />LANDIN 11'RUN 4' <br />G— <br />... .. .. .... .... . <br />7 . .. .... .. ... . .. .... .. .. ......... .. <br />. .. . .. .. . ... <br />Will 111 <br />.............. <br />—M <br />e <br />LLL <br />i <br />I�/I1�11 <br />Ili <br />�Ilha�. <br />STAIR WIDTH <br />T-0 &S" 4'-T' RUN 4' -2 5/8' <br />LANDING (5)11"T LANDING <br />17'1 <br />I STAIR PLAN LEVEL 4 1 BCALE:1/^ --D'I 4 1 STAIR PLAN LEVEL 21 BCALE:,/4"=,•-0"I 2 1 <br />C.2 <br />T3.2 3.4 <br />3'4113132' <br />— � LANDING — <br />__ <br />. ........... . <br />;;;­.i.E.655.fid <br />. .................... ......... ..... ..... . . ... ... . .......... <br />A '�W <br />I��lAllll■1 <br />II��II <br />II��III11� <br />............... <br />................ <br />iN <br />Rl <br />r�• <br />YIp■IN <br />I l.■ <br />3.�• <br />STAIR WIDTH o <br />]'-03/8" 4',. RUN 4'-2 GUY' <br />LANDING 0,11"T LANDING <br />17•-0" <br />�I <br />C.2 <br />3 3.2 3.4 4 4.3 <br />n' D^ <br />1'-10" II 5'-2" 1'-10"RU 1 3'0" <br />2)11' STAIR MDTH <br />I59 SB <br />[�3'S�I�■®IIII■� <br />III I'�I�L�; <br />IfF. <br />............ . <br />■ ���IJ� <br />I�fa141I <br />■1 <br />I TO <br />�0 <br />E <br />I!II�I�!■i� <br />� <br />EMI <br />R3SI1 <br />■ipf�l��l�mii� <br />® <br />a <br />i 11 <br />IIIIIII�Bill <br />II����IIIe� <br />55{{ <br />I <br />UNN <br />€1�. <br />11 :1��1 <br />�■I��i��iiiiiA <br />I� <br />71 <br />`o <br />n <br />•• <br />• <br />oQ o <br />---------- <br />39 SD o 0 0 <br />LANDING <br />1 —1 R <br />2111' <br />1T 8" <br />STAIR KEYNOTES <br />81 STEELCHPNNELSTRINGER <br />1 PIECE SLIP RE818TANTPRE-CAST CONCTREADAND RISER <br />S3 STAIRIANDING', BTAIRCONSTRUCTION <br />2XWCODSTRINGER-REFERTOSTRUCTURALFLANS <br />85 PLYWOODTREADANDRISER <br />WOOD FRAMED LANDING -REFER TO STRUCTURAL PLANS <br />SLIP -RESISTANT WARNING STRIPE AT TOP APPROACH AND BOTTOM TREAD <br />HANDRAIL -DC MIN TO 38' MAXABOVE TREAD NOSING PER CDC 1012.2. MAX.4.5" <br />PROJECTIONINTO REWREDWIDTHPERCB 1012.8. <br />W GUARD-42' MIN HIGH RAJLIN OPENINGS BRACED SOA4' SPHERE CANNOT PASS <br />THROUGH <br />S10 STAIRNAY FLOOR NUMBER SIGN (SEE SIGNAGE UWGS FOR MORE INFO) <br />311 TACTILE FLOOR DESIGNATION SIGN (SEE SIGNAGE DWOE FOR MORE INFO) <br />512 TACTILE EXIT SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />S13 STANDPIPE-CLASSI <br />Std ALTERNATINGTREADETAIR: FREFABRICATEDSTEEL <br />315 METALGATEBAARIER PERCBC1D238 <br />518 GUARDWALL 42-MINHIGH <br />SEC <br />RITYSCEENSYSTEM <br />O.C.-MWNT TO FLOOR SLAB OR STAIR STWNGERE PROM E 1�/,V N_ 9 GAUGE WIRE MESH AS <br />NOTED ONPLW <br />S1S BARRIERGUARDRUL-2TH <br />S19 CAST -IN PLACE CONCRETE STAIR <br />320 DASHED ARC INDICATING d4' CLEAR PATH ABOUT STAIR/ HANDRAIL, PER CBC 10112 <br />DASHED ARC INDICATING 48' CLEAR PATH ABOUT STAIR/HANDRAIL PER CBC 1D112 <br />S21 KNOX BOX SEE BUILDNG PLANS <br />SII NYSTROM ROOF HATCH WITH INTEGRAL OSHA COMPLIANT ALUMINUM SAFETY RAILS(POWDERCOAT <br />SAFETY YELLOW) SEE STAIR ROOF LEVEL FOR OPENING SIZE <br />323 PER CEO SEC.1011.6 THE DOOR AT ANY POTION SHALL NOT REDUCE THE REQUIRED STAIR <br />LANDING DIMENSION TO LESS THAN ONE-HALF ITS REWIRED WIDTH, CLEAREPACEISBHCWNON <br />PI -AN WITH DASHED ARC. <br />STAIR NOTES I <br />1. FORTYPICALSTAIRDETAILS,REFERTO ADI1 <br />2. TREADS', ALL TREAD SURFACES SHALL BE SUP RESISTANT, TREADS SHALL HAVE SMOO <br />ROUNDED OR CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOSING, <br />3. TREAD AND RISER DIMENSIONAL UNIFORMITY'. STAIRTREADSANORISERSSHALLBEOF <br />UNIFORM SIZE AND SHAPE. THE TOLERANCE BETWEEN THE LARGEST AND SMALLEST RISER <br />HEIGHT OR BETWEEN THE LARGEST AND SMALLEST TREAD DEPTH SHALL NOT EXCEED <br />D.3]S INCH IN ANY FLIGHT OF STAIRS. <br />4. TREAD PROFILE: THE RADIUS OF THE LEADING EDGE OF THE TREAD SHALL BE NOT <br />OREATERTHAN 05INCH. BEVELING OF NOSING SHALL NOTEXCEED 0,5INCH. RIERS SHALL <br />BE SOLIDANDVERTCALOR SLOPED FROM THE UNDERSIDE OFTHE LEADING EDGE OFTHE <br />TREADABOVE ATAN ANGLE NOT MORE THAN 30 DEGREES FROM THEVERTICAL THE <br />LEADING ENE (NOGING) OF TREADS SHALL PROJECT NOT MORE THAN 125 INCHES <br />BEYONDTHE TREAD BELOW AND ALL PROJECTIONS OF THE LEADING EDGES SHALL BE OF <br />UNIFORM SIZE, INCWDINGTHE LEADING EDGE OFTHE ROORATTHE TOP OFARIGHT. <br />5. HANDRAIL CONIINUIIY:HANDRAIL-GRIPPING SURFACES SHALL BE CONTINUOUS, WITHOUT <br />STAIRWAYS WHERE HANDRAILS ARE NOT CONTINUOUS BETWEEN FLIGHTS, THE HANDRAILS <br />SHALL EXTEND AT LEAST 12INCHES BEYOND THE TOP RISER AND 12INCHES, PLUS THE <br />TREAD WIDTH, BEYOND THE BOTTOM RISER. WHERE THE STAIRS ARE CONTINUOUS FROM <br />LANDINGT0 LANDING, THE INNER RAIL SHALLBE CONTINUOUS AND NEED NOT EXTEND OUT <br />INTO THE LANDING, <br />]. EXIT ENCLOSURE PENETRATIONS'. PENETRATIONS INTO AND OPENINGS THROUGH AN EXIT <br />ENCLOSURE ARE PROHIBITED EXCEPT FOR REQUIRED EXIT DOORS, EFRINX 11 PIPING, <br />STANDPIPES. ELECTRICAL RACEWAYS) FOR FIRE DEPARTMENT COMMUNICATION SYSTEMS <br />AND ELECTRICAL RACEWAY(UEB NG THE EXIT ENCLOSURE. THERE SHALL E NO <br />PENETRATIONS OR COMMUNICATION OPENINGS, WHETHER PROTECTED OR NOT, BETWEEN <br />ADJACENT EXIT ENCLOSURES. <br />8, STRIPING FOR THE VISUALLY IMPAIRED: INTERIOR EXITSTAIRWAYS SHALL HAVE THE UPPER <br />APPROACH AN D LOWER TREAD MARKED BY A STRIPE PRONDIN G CLEAR VISUAL CONTRAST. <br />EXTERIOR EXIT STAIRWAYS SHALL HAVE STRIPES ON THE UPPER APPROACH AN D ON ALL <br />TREADS, THE STRIPE SHALL BE A MINIMUM OF 21NCHES WIDE TO A MAXIMUM OF 41NCHES <br />WIDE PIACED PARALLELTO, AND NOT MORE THAN 1 INCH FROM, THE NOSE OF THE STEP <br />ORUPPERAPPROACH. THE STRIPE SHALL EXTEND THE FULL WIDTH OF THE STEP OR <br />UPPER APPROACH AN D SHALL BE OF MATERIAL THAT IS AT LEAST AS SLIP-NESISTANT AS <br />THE OTHERTREAE OF THE STAIR. APAINTED STRIPE SHALL BEACCEPTABLE. <br />9. ALL DIMENSIWSARE TOTHE FACE E STUD, CMU OR CONCRETE AS OCCURS, UN.O. <br />LEGEND <br />0" Q STANDPIPE <br />O 2XA WOOD STUD FRAMING <br />® 2XB WOOD STUD FRAMING <br />® CMU WALL-SEESTRUCTURAL <br />0 CONCRETEWALL-SEESTRUCTUR4L <br />EXTENT OF EXTERIOR CEMENT PIASTER FINISH <br />DANOAL .—H INDICATES EXTENT .1 <br />1.1 PLASTER SOFFIT .1 <br />HEIGffN INDCATEDIINPOLAN.ESELOW,MERORCEMRE PEL EROVER RUDEI <br />METALLATHOCCURSATLOBBIESIN EXTERIORWALLOPENINGS. SEE <br />ENLARGED PLANS FOR EXTENT. <br />S0'.' CLEAR FLOOR AREA <br />5'- DANETER TURN AROUND SPACE <br />ENLARGED PLAN REFERENCES <br />1 FOR WALL F RE4UTNGS AND DETAIL REFERENCES FIRE EXUNGUISHER <br />LOCATIONS AND FIRE ACCESS ANALYSIS SEE SHEETS ADII THRU A625. <br />2 FOREXITING ANALYSS INCLUDING OCCUPANTLOADS EXIT SIGNS AND DOOR PANIC <br />HARDWARE LOCATIONS, SEE SHEETS A631 THRU A045. <br />Architecture + Planning <br />17911 Von Kerman Ave. <br />Suite 200 <br />Irvine, CA 92614 <br />ktgy.com <br />949.851.2133 <br />KTGY Project No: 2017-0934 <br />Project Contact: Debbie Holland <br />Email: dholland@ktgy.com <br />Principal: Wit Wong <br />Project Designer: D. Schoolmeester <br />Project Director: Debbie Holland <br />Developer <br />EIr. OAK <br />4199 CAMPUS DRIVE <br />IRVINE, CA 92612 <br />PHONE NO. (714) 342-2502 <br />I _J <br />No. Date Description H <br />m <br />r) <br />Y <br />U <br />w <br />2 <br />U <br />O_ <br />��s hir <br />�G 0JR W"o CV <br />CV <br />* O <br />R%EXu DIE * <br />s m. J <br />9lf OF CA01G�?P C? <br />License Stamp o <br />STAIR Al ENLARGED <br />PLANS <br />STAIR PLAN LEVEL 3 I SCALE: <br />STAIR PLAN LEVEL 1 I SCALE: 1/4"=1'-0" <br />A5-70 <br />