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20 21 22 <br />1T-0' <br />'Mill ...:::::::::::..:���•I <br />- <br />® <br />�I;�II��II <br />oilll��ll <br />III <br />III ���'IIII'MOri/. <br />- 1` <br />5T4-2518 TH RUN T-o SIB' <br />LANDING (5)11"T LANDING <br />1r-o- <br />I STAIR PLAN LEVEL 4 1 SCALE:1/4•=1'-0'1 4 1 STAIR PLAN LEVEL 21 SCAE:,I4'=,•a"I 2 1 <br />20 21 22 <br />Ira• <br />11'-11"1B• 41 W1 <br />�4'-2 3'A'RUN Y-834' S'a1/4' <br />G— <br />I <br />---- - <br />B.1 <br />- <br />it <br />I■, <br />® <br />,I,®®II <br />STAIR KEYNOTES <br />51 STEELCHPNNELETRINGER <br />1 PIECE SLIP RESISTPNTPRE-CAST CONCTREADAND RISER <br />STAIRI-ANDING', —CONSTRUCTION <br />2X WOW STRINGER -REFER TOSTRI—RAL FLANS <br />55 PLYWOODTREADANDRISER <br />WOOD FRAMED LANDING- REFER TO STRUCTURAL PLANS <br />SLIP -RESISTANT WARNING STRIPE AT TOP APPROACH AND BOTTOM TREAD <br />HANDRAIL-34'MINT030'MAJ(A1 ETREADNEINGPERCBC1012.2.MAX.- <br />PROJECTION INTO REQUIRED WIDTH PER CBC1012.6. <br />GUI D-4T MIN HIGH RAILING wI OPENINGS SPACED SO A4' SPHERE CANNOT PASS <br />THROUGH <br />S10 STAIRWAY FLOOR NUMBER SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />511 TACTILE FLOOR DESIGNATION SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />512 TACTILE EXIT SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />S13 STANDPIPE-CLASSI <br />S1d ALTERNATING TREAD STAIR: PREFABRICATED STEEL <br />815 METALGATESARRIER PERCBC10238 <br />S16 GUARDWPLL-42'MINHIGH <br />S11 SEWRITYSCREENSYSTEM 1'SEELBARTOPANDBOMMRAILSWITH114'PICKETSAT4' <br />O.C: MWNTTO FLOOR SLAB OR STAIR STRINGERS PROVIUE1AVIIQ_9GAUGEWIREMESHAS <br />NOTED M R- <br />818 BARRIER GUARDRAIL -2TH <br />S19 CAST -IN PLACE CONCRETE STAIR <br />SID DASHED ARE INDICATING d4' CLEAR PATH ABOUT STAIR I HANDRAIL, PER CBC 10112 <br />DASHED ARC INDICATING 48• CLEAR PATH ABOUT STAIR I HANDRAIL, PER CBC 1D112 <br />S21 KNOXBOX-SEEBUILOINGPIANS <br />SII NYSTROM ROOF HATCH WITH INTEGRAL OSHA COMPLIANT ALUMINUM SAFETY RAM(PDWDERCOAT <br />SAFETY YELLOW) -SEE STAIR ROOF LEVEL FOR OPENING SIZE <br />S23 PER CBC SEC. 10110 THE DOOR AT MY POSITION SHALL NOT REDUCE THE REQUIRED STAIR <br />LANDING DIMENSION TO LESS THAN ON—F ITS REWIRED WIDTH, CLEAREPACEISSHOWNON <br />PLAN WITH DASHED ARC. <br />STAIR NOTES I <br />1. FOIRTVPICALSTAIRDETAILS,REFERTO AA]I <br />2. TRRAC.SALLTREADSURFACE5 SHALL BE SLIP RESISTANT, TREADS SHALL HAVE EMW <br />ROUNDED OR CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOSING, <br />3. TREAD AND RISER DIMENSIONAL UNIFORMITY'. STAIRTREADSANDRISERSSHALLBEOF <br />UNIFORM SIZE AND SHAPE. THE TOLERANCE BETWEEN THE LARGEST AND SMALLEST RISER <br />HEIGHT OR BETWEEN THE LARGEST AND SMALEST TREAD DEPTH SHALL NOT EXCEED <br />0.375INCH IN MY 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 D51NCH, RISERS SHALL <br />BE SOLI DANDVERTCALORSLOPED FROM THE UNDERSIDE OFTHE LEADING EDGE OFTHE <br />TREADABOVE ATAN MGM NOT MORE THAN 30 DEGREES FROM THEVERTICAL THE <br />LEADINGEGGE(NOSING)OFTREADS aPRO.IECTNOTMORETHAN1251NCHE5 <br />BEYONDTHE TREAD BELOW AND ALL PROJECTIONS OF THE LEADING EDGES SHALL BE OF <br />UNIFORM SIZE, INCLUDINGTHE LEADING EDGE OFTHE ROORATTHE TOP OFA FLIGHT. <br />5. HANDRAIL CONTINUITY: HANDRAIL -GRIPPING SURFACES SHALL BE CONTINUOUS,WITHOUT <br />STAIRWAYS WHERE HANDRAILS ARE NOT CONTINUOUS BETWEEN FLIGHTS, THE HANDRAILS <br />SHALL E%TEND 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, SPRINKLER PIPING, <br />STANDPIPES. ELECTRICAL RACEWAYS) FOR FIRE DEPARTMENT COMMUNICATION SYSTEMS <br />AND ELECTRICAL RACEWAY(S)SERNNG THE EXIT ENCLOSURE. THERE SHALL E NO <br />PENETPATIONE 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 />ERIOR . <br />EXTEXHAVE IT STAIRWAYS SHALL STRIPES ON THE UPPER APPROACH AN D ON ALL <br />TIREAPS, THE STRIPE SHALL BE A MINIMUM OF 21NCHES 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 FULLWTDTH OF THE STEP OR <br />UPPERAPPROACHANDSHALLBEOFMAERIPLT ISATLEASTASSLIP-RESISTANTAS <br />THE OTHER TREADS OF THE STAIR. A PAINTED STRIPE SHALL BE ACCEPTABLE. <br />9. ALL DIMENSIONS ARE TO THE FACE E STUD, CM OR CONCRETE AS OCCURS, UN.O. <br />LEGEND <br />K" Q STANDPIPE <br />O 2XA WOOD STUD FRAMING <br />® ZXB WOOD STUD FRAMING <br />® EMU WALL -SEE STRUCTURAL <br />0 CONCRETEWALL-SEESTRUCTUR4L <br />EXTENT OF EXTERIOR CEMENT PIASTER FINISH <br />DAGOAL H—H INDICATES EXTENT OF <br />QR P TER SOFFIT OR <br />HEIGffN INDCATEDIINPGLAN.EBELOW,MEROROMROPICE EROVEREXTRU ED <br />METPL LATH OCCURS AT LOBBIES WITH EXTERIOR WALL OPENINGS, SEE <br />- ENLARGED PLANS FOR EXTENT. <br />SO'v- CLEAR FLOOR AREA <br />5'a• DNMETER TURNAROUND SPACE <br />ENLARGED PLAN REFERENCES <br />I. FOR WALL FIRELRATINGS AND DETAIL REFERENCES ,FIRE -INGUISHER <br />LOCATIONS AND FIRE ACCESS ANALYSIS, SEE SHEETS_I THRU A52,. <br />2. FOREXITING ANALYSIS INCLUDING OCCUPAM LOADS, EXIT SIGNS AND DOOR PANIC <br />HAROWARELOCATONS,SEESHEETSAD-31 THRUAD,15. <br />Architecture + Planning <br />17911 Von Karman 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 />F.F] C7AK <br />4199 CAMPUS DRIVE <br />IRVINE, CA 92612 <br />PHONE NO. (714) 342-2502 <br />01. <br />CLLI <br />G <br />'F--- <br />li <br />50 <br />L <br />Z <br />2 <br />17 <br />U <br />Q <br />Z <br />a <br />a <br />F <br />Z <br />Q <br />F- <br />w <br />w <br />h <br />uni <br />19 <br />Lf) <br />Go <br />Ln <br />I —J <br />No. Date Description CH <br />G <br />m <br />t// <br />Y <br />U <br />w <br />w::"�ce�aSEDARLL <br />�,%T LL <br />L eGR WpcF� N <br />v� N <br />* .IIa- DATE * O <br />s am n. <br />9Tf GF CAl1F��?P <br />License Stamp o <br />STAIR B2 ENLARGED <br />PLANS <br />STAIR PLAN LEVEL 3 I SCALE: <br />STAIR PLAN LEVEL 1 1 SCALEII4•=1- <br />� � 1 <br />