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STAIR KEYNOTES <br />ESTEELCHANNELSTRINGER <br />1 PIECE SLIP RESISTANTPRE-CAST CONCTREADAND RISER <br />STNRI-ANGING', —CONSTRUCTION <br />2X WOW STRINGER -REFER TOSTRUCTURAL BANS <br />PLYWOOD TREAD AND RISER <br />WOOD FRAMED LANDING- REFER TO STRUCTURAL PLANS <br />ESLIP <br />-RESISTANT WARNING STRIPE AT TOP APPROACH AND 807DM TREAD <br />HANDRAIL-34' MIN TO 38• MAX— TREAD NOSING PER CBC 10122. MAX.4.5' <br />PROJECTION INTO REOUNED WIDTH PER CBC 1012.8. <br />GUARD-62" MIN HIGH RQUN—OPENINGS SPACED EOA4• SPHERE CANNOT PASS <br />THROUGH <br />S10 <br />STAIRWAY FLOOR NUMBER SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />511 <br />TACTLE FLOOR DESIGNATION SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />513 <br />TACTLE EXIT SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />S13 <br />STANDPIPE- CLASS I <br />5�14 <br />ALTERNATING TREAD STAIR: PREFABRICATEDSTEEL <br />515 <br />METALGATESAARIER PERCEE-8 <br />P.4 <br />® <br />8 <br />GUARDWALL IGH <br />S17 <br />E N EYS <br />SECURITYTTOFLORSLASTEM ORSAIR$TROPANO BOTTOM R/,V$Q_H1AUGEKETSAT4' <br />SLAB OR STAIR STRINGERS PROVIDE I/4' SQ., 9 GAUGE WIRE MESH AS <br />' <br />NOT D M PLAN <br />NOTED ON PLAN <br />1 <br />` <br />p <br />s1e <br />S19 <br />BARRIERGUARDRAIL-2rH <br />CAST -IN PLACE CONCRETE STAIR <br />P.6 <br />c � <br />ZEN <br />DPSHEDARC INDICATNG44'CLEAR PATH ABOUT STAIRIHANDMIL, PERCBC 10112 <br />DASHED ARC INDICATING 4B' CLEAR PATH ABOUT STAIR I HANDRAIL, PER CBC 1D112 <br />L - _ <br />- — __ <br />I I <br />-ram -rT�_T _ — - _ - - __ <br />— <br />i ___ — F—_— <br />- <br />_ _— _ _— _ _ — -1J� <br />I I I <br />- _ - - __ _ — - __ - — - _— <br />__ <br />S21 <br />KNOX BOX -SEE BUILDING PLANS <br />SAFETY Y ROOF HATCH WITH INTEGRAL OSHA COMRIANTALUMINUM SPFETYRAILS (POWDERCOAT <br />YELLOW) -SEE STAIR ROOF LEVEL FOR OPENING SIZE <br />- <br />, T T,- <br />- <br />523 <br />PER CBC SEC, 1011.8 TO p5FITSSHALL NOT REDUCETHE <br />PERC R AT ANYTHAN <br />it <br />/ <br />/ <br />li li li <br />� <br />CLER—EDSTAIR <br />LANDING DIMENSIONTO LESSTHPN ONEdULF ITS REWIRED WIDTi.CLEARSPACE IS SHOWN ON <br />LESS SHO <br />PLAN WITH DASHED ARC. <br />,/� <br />Q <br />8,3 <br />87 8 B, B6 B9 <br />STAIR NOTES <br />1 <br />1.6 2 2.1 <br />5 <br />15'-T'RUN <br />(1])11"T <br />5.2 <br />1. FURTVPICALSTAIRDETAILS,REFERTO IA71 A0.i l <br />2. TREADS'. ALL TREAD SURFACES SHALL BE SUP RESISTANT. TREADS SHALL HAVE SMOG <br />ROUNDED OR CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOSING. <br />3. TREND AND RISER DIMENSIONAL UNIFORMItt'. STAIRTREADS AND RISERSSHALLBE OF <br />UNIFORM SIZE AND SHAPE. THE TOLERANCE BETWEEN THE LARGEST AND SMALLEST RISER <br />HEIGHT OR BETWEEN THE LARGEST AND SMALLEST TREAD DEPTH SHALL NET EXCEED <br />C3]S INCH IN ANY FLIGHT OF STAIRS. <br />TREADPROFILE:THERADIUSOFTHELEADINGEDGEOFTHETREADSHALLBE NOT <br />OREATERTHAN 05INCH. BEVELING OF NOSING SHALL NOTE%GEED D.5INCH, RISERS SHALL <br />BE SOLI DANOVERTCALORSLOPED FROM THE UNDERSIDE OFTHE LEADING EDGE OFTHE <br />TREADABOVE ATAN ANGLE NOT MORE THAN 30 DEGREES FROM THEVERTICAL THE <br />LEADINGEGGE(NOSING)OFTREADSSHALLPR ECTNOTMORETHAN1251NCHB <br />BEYOND THE TREAD BELOW AND ALL PROJECTIONS OF THE LEADING EDGES SHALL BE OF <br />UNIFORM SIZE, INCLUDINGTHE LEADING EDGE OFTHE ROORATTHE TOP OFARIGHT. <br />5, HANDRAILCONTNUITY:HANDRAIL-GRIPPINGSURFACESS LLBECONTIN000S.WITHOUT <br />INTERRUPTION BY NEWEL POSTS OR OTHER OBSTRUCTIONS. <br />6. HANDRAIL EXTENSIONS: HANDRAILS SHALL RETURN TO THE WALL, GUARD OR THE WALKING <br />SURFACE OR SHALL BE CONTINUOUS TO THE HANDRAIL OF AN ADJACENT STAIR FLIGHT. AT <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 />7. EXIT ENCLOSURE PENETRATIONS'. PENETRATIONS INTO AND OPENINGS THROUGH AN MT <br />ENCLOSURE ARE PROHIBITED EXCEPT FOR REQUIRED EXIT DOORS, SPRINKLER PIPING, <br />SCALE: II6"=1'-0" <br />STAIR PLAN LEVEL 2 2 <br />STANDPIPES ELECTRICALR(S)SE Y(NGFOR E FIRE DEPARTMENT COMMUNICALI NO STEMS <br />AND ELECTRICALRTRICAL IS) SERNNG TILE EXIT ENCLOSURE. COAMU ICATIO NO <br />PENETRATIONS OR COMMUNICATION OPENINGS, WHETHER PROTECTED OR NOT, BETWEEN <br />ADJACENT EXIT ENCLOSURES. <br />8. STRIPING FORTHEVISUALLYIMPAJRED: INTERICREXITSTAIRWAYS 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 SEA MINIMUM OF 21NCHE5 WIDE TO A MAXIMUM OF 41NCHES <br />WIDE PPACED PARALLELTO, AND NOT MORE THAN 1 INCH FROM, THE NOSE OF THE STEP <br />ORUPPERAPPROACH. THE STRIPE SHALL EXTEND THE NU - WIDTH OF THE STEP OR <br />UPPER APPROACH AN D SHALL BE OF MATERIAL THAT IS AT LEAST AS SLIP -RESISTANT AE <br />THE OTHER TREADS OF THE STAIR. A PLANTED STRIPE SHALL BE ACCEPTABLE, <br />9. ALL DIMENSIONS ARE TO THE FACE OF STUD, CM OR CONCRETE AS OCCURS, U.N.O. <br />LEGEND <br />Q" $ STANDPIPE <br />O ZX4 WOOD STUD FRAMING <br />® ZX6 WOOD STUD FRAMING <br />P AY <br />i`------------ <br />: „ <br />i� i li <br />® <br />F �vT <br />® CMU WALL -SEE STRUCTURAL <br />0 CONCRETEWALL-SEEETRUCTURAL <br />E N OFE%ERORCEMENTPASERFINISH <br />SOFFIT OR <br />DAGONAL HATCH INDICATES EXTENT OF EXTERIOR PLASTER RUPPEDG <br />CEILING <br />/ HEIGHTASPLAN LEXIERIORCEMENTPEVS ER OVEREXTROFFD <br />/ UD <br />____ifV <br />� <br />\', / <br />METALIATHOCCURSATLOBBIEEWITHEXTERIORWALLOPENINGS, SEE <br />ENLARGED PLANS FOR EXTENT. <br />-CIEARFLOORARE4 <br />3D• <br />DIAMETER TURN AROUND SPACE <br />I; <br />��I;� o <br />I <br />✓ II <br />I I I I I I <br />ENLARGED PLAN REFERENCES <br />\ w <br />FORWAULFRELGATINGSANDGENLREFERENCES TINGUISHER <br />Q <br />MIN <br />L1. <br />__z-fir <br />ETSAEII THRU A82,. <br />2. LORE%RNNGAID FINE ACCESS INAOCCUPANT HE AAU-1I <br />OE, EXIT SIGNS AND DOOR PANIC <br />57 52 Si 58 S9 <br />S13 <br />'i <br />HARDWARELOCATONS,SEESHEETSAR3ITHRUAP45. <br />1 <br />1.6 2 2.1 <br />18'-4' RUN <br />12a) n•T <br />5 <br />5.2 <br />STAIR PLAN LEVEL 1 SCALE II4"=1'-0 1 <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: Wil Wong <br />Project Designer: D. Schoolmeester <br />Project Director: Debbie Holland <br />Developer <br />t1'.1) 0'%k <br />4199 CAMPUS DRIVE <br />IRVINE, CA 92612 <br />PHONE NO. (714) 342-2502 <br />O <br />04 <br />0) <br />C) <br />U <br /><I <br />Z <br />Q <br />Q <br />H <br />Z <br />U) <br />W <br />W <br />w <br />F- <br />rn <br />ILl <br />In <br />l!7 <br />06 <br />Lo <br />I J <br />No. Date Description 1-- <br />m <br />U) <br />Y <br />U <br />L.I..I <br />U <br />z <br />J <br />tl <br />F— <br />.nn 7=1 in <br />\ aSED ARCH, LI_ <br />0�R w°c`rs N <br />y� N <br />* N. C-5 * O <br />RENEWAL DATE (V <br />r AU n J1. 2.1 <br />9lf DF CA��F�P?P I <br />License Stamp o <br />STAIR A4 ENLARGED <br />PLANS <br />A5-75 <br />---T <br />