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NOT USED I SCALE:1/4'=1'C'I 6 I STAIR PLAN LEVEL 3, 4, 5, 6 1 SCALE:,/ ,'J 3 1 <br />STAIR PLAN ROOF LEVEL 6CALE:1/4'=1'-0' <br />I I I I <br />b <br />- - - - -1- - - - - - - ----i------------- <br />_-� <br />I I I I <br />513 S1A <br />11.2 1991r 11.5 11.7 �13 <br />I <br />IIllI�llI■;llla <br />__ <br />R <br />_llll�iw�m-r�I <br />Ll <br />11.2 11.5 11.7 <br />STAIR PLAN LEVEL 21 SCALE:11--' <br />STAIR KEYNOTES <br />51 STEELCHANNELSTRINGER <br />1-PIECE SLIP RESISTANT PRECAST CONC TREAD AND RISER <br />STAIR IANDING: STAIR CONSTRUCTION <br />2K WOOD STRINGER- REFER TO STRUCTURAL PLANS <br />PLYWOODTREADANDRISER <br />WOOD FRAMED LAHOING- REFER TO STRUCTURAL PLAINS <br />FR] SLIPREBISTANT WARNING STRIPE AT TOP APPROACH AND BOTTOM TREAD <br />HANDRAIL 34' MIN TO M-MAXABOVETREAD NO ING PERCBC 1012.2. MAX.4.5' <br />PROJECTONINTOREGUREDWIOTHPERCSC1D120. <br />N GUM -4T MIN HIGH RAILING w/ 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 OWES FOR MORE INFO) <br />512 TACTILE EXIT SIGN (SEE SIGNAGE DWGS FOR MORE INFO) <br />S13 STANDPIPE - DLASSI <br />S14 ALTERNATINGTREADSTAIR: PREFABRICATEDSTEEL <br />515 METAL GATE BARRIER -PER CEO 1023.8 <br />51fi GUAROWALL-42'MIN HIGH <br />EdSECURINSCREENSYS l'STEELBARTOPANDBOTTOMPPILBWIIH114'PICKETSAT <br />O.C. MOUNT TO FLOOR SLAB OR STAIR STRINGERS PROVIDE 114' W., BGAUGE WIRE MESH AS <br />NOTED ON PUN <br />s10 SARRIERGUARDRAL 27'H <br />FSSS19 CAR 4N­PLACE CONCRETE STAIR <br />SA OASHEDARC INDICATIN— CLEAR PATHABOUT STAIRI HANDRAIL, PER CSC 10112 <br />SM OASHEDARC INDICATING40' CLEAR PATH ABOUT STAIRIHANOBAIL, PER CEO 10112 <br />$21 KNOX BOX -SEE BUILDING PUNS <br />NYSTROM ROOF HATCH WITH INTEGBALOSHA COMPLNNTALUMINUM SAFETY F,NLS )POWDERCDAT <br />SAFETY-1-CAM) SEESTAIRRCOFLEVELFOROPCNINGSDE <br />521 PERCBC SEC. 10116 THE DOOR AT ANY POSITION SHALL NOT REDUCE THE REQUIRED STAIR <br />LANDING DIMENSION TO LESS THAN ONE HALF ITS REQUIRED WIDTH, -CLEAR SPACE ISSHOWN ON <br />PUN WITH DASHED ARC. <br />STAIR NOTES <br />1 FOR TYPICAL STAIR OETMLS, REFER TO <br />Afl.Ii P811.1 <br />2, TREADS: ALL TREAD SURFACES SHALL BE SLIP RESISTANT TREADS SHALL HAVE SM00 <br />ROUN DED OR CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOSI NO <br />3, TREADANORISEROIMENSIONALUNIFORMIN:S IIRTREADSANDRISERSSHALLBEOF <br />UNIFORMSREANDSHAPE, THE TOLERANCE BETWEEN THE IARGEST AND SMALLEST RISER <br />HEIGHT OR BETWEEN THE LARGEST AND SMALLEST TREAD DEPTH SHALL NOT EXCEED <br />0.375INCH IN ANY FLIGHT OF STAIRB. <br />4. TREAD PROFILE: THE RADIUS OF THE LEADING EDGE OF THE TREAD SHALL BE NOT <br />GREATER THAN 0.51NCH. BEVELING OF NOSING SHALL NOT EXCEED Q5 INCH. RISERS SHALL <br />BE SOLID AND VERTIGLL OR SLOPED FROM THE UNDERSIDE OF THE LEADING EDGE OF THE <br />TREAD ABOVE ATM ANGLE NOT MORE THAN 30 DEGREES FROM TH E VERTICAL. THE <br />LEADING EDGE (NOSING) OF TREADS SHALL PROJECT NOT MORE THAN 1.25INCHES <br />BEYONOTHE TREAD BELOW AND ALL PROJECTIONS OFTHE LEADING EDGES SHALLBE OF <br />UNIFORM SIZE, INCLUDING THE LEADING EDGE OF THE FLOOR AT THE TOP OF FLIGHT. <br />5, HAND —CONTINUITY HAND-4IRIPPING SURFACES SHALL BE CONTINUWS,WITHOUT <br />INTERRUPTKON BY NEWEL POSTS OR OTHER OBSTRUCTIONS <br />fi. HANOFAILEXTENSIONS'. HANDR/•ILSSHALLRETURNTOTHEWALL, GUAROORTHEWALKING <br />SURFACE OR SHALLBE CONTINUOUS TO THE HANDRAIL OF AN ADJACENT STAIR FLIGHT AT <br />STAIRWAYSWHERE HANDRAILSARENOTCONTINUWSBETIYEENFLIGHTS.THEHMN LS <br />SHALL EXTENDAT LEAST 12 INCHES BEYOND THETOP RISERAN012 INCHES, PLUETHE <br />TREAD WIDTH, BEYOND THE BOTTOM RISER. WHERE THE STAIRS PRE CONTINUOUS FROM <br />LANDING TO LANDING, THE INNER RAIL SHALL BE CONTINUOUS AND NEED NOT EXTEND OUT <br />INTO THE IANDNG. <br />]. EXIT ENCLOSUREPENETRATIONS: PENETRATIONS INTO AND OPENINGS THROUGH AN EXIT <br />ENCLOSURE PRE PROHIBITED EXCEPT PM REQUIRED EXIT DOORS, SPRINKLER PIPING, <br />STANDPIPES, ELECTRICAL RACEWAY(S) FOR FIRE DEPARTMENTCOMMUNICATION SYSTEMS <br />AND ELECTRICAL RACEWAY(S) SERVING THE EXIT ENCLOSURE, THERE SHALL BE NO <br />PENETRATIONSORCOMMUNIC IIONOPENINGS,WHETHERPROTECTEDORNN,,BEIWEEN <br />ADJACENT EXIT ENCLOSURES. <br />0, STRIPINGFORTHEVISUALLY IMPAIRED: INTERIOR EXITSTAIRWAYS SHALL HAVE THE UPPER <br />APPROACH AND LCWERTREAD MARKED BYA STRIPE PROVIDING CLEAR VISUAL CONTRAST. <br />EXTERIOR EXIT STAIRWAYS SHALL HAVE STRIPES ON THE UPPER APPROACH AND ON ALL <br />TREADS. THE STRIPE SHALL BE A MINIMUM OF 21NCHES WIDETO AMAXIMUM OF4INCHES <br />WIDEPLACED PA UELTO,ANONOTMOREM NIINCHFROM,THENOSEOFTHESTEP <br />OR UPPER APPROACH. THE STRIPE SHALLEXTEND THE FULL WIDTH OF THE STEP OR <br />UPPER APPROACH AND SHALL BE OF MATERIAL THAT IS AT LEAST AS SLI PRESISTANT AS <br />THE OTHER TREADS OF THE STAIR. A PAINTED STRIPE SHALL BE ACCEPTABLE. <br />9. ALL DIMENSIONS PRE TO THE FACE OF STUD, CMUORCONCRETEAEOCCURS,U.N.O. <br />LEGEND <br />Q" ` Q STANDPIPE <br />O 2X4 WOOD STUD FRAMING <br />® 2XB WOOD —FRAMING <br />® CMU WALL. SEE STRUCTURAL <br />0 CCNCRETEWAUL SEESTRUCTUBAL <br />EXTENT OF EXTERIOR CEMENT PLASTER FINISH <br />D AGUNAL HATCH INDICATES EXTENT OF EXTERIOR <br />STER SOFFIT OR <br />�EDNG BELOW RTED NENEBLY SOFFIT <br />HEGHDROPiASNICATED INPUNEXTERIOR MENPTR OVER EXTRUDED <br />METAL LATH OCCURS AT LOBBIES WITH EXTERIOR WALL OPENINGS. SEE <br />ENLARGED PUNS FOR EXTENT. <br />CLEAR FLOOR AREA <br />51 DIAMETER TURN AROUND SPACE <br />ENLARGED PLAN REFERENCES <br />1. FOR WALL FIRE RATINGS AND DETAIL REFERENCES, FIRE EXTINGUISHER <br />LOCATIONS AND FIRE ACCESS ANALYSIS, SEE SHEETS AO-11 THRU A625. <br />2, FOREXRING ANALYSIS INCLUDING OCCUPANT LOADS, EXIT SIGNS AND DOOR PANIC <br />HARDWARE LOCATIONS. SEE SHEETS— THRU <br />1 <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 />ED OAx <br />4199 CAMPUS DRIVE <br />IRVINE, CA 92612 <br />PHONE NO. (714) 342-2502 <br />J <br />Q <br />I — <br />No. Date Description <br />CH <br />G <br />m <br />to <br />`1 <br />U <br />LU <br />U <br />Z <br />a <br />ARL`y�T <br />LL <br />��SED <br />eDR w°cF. <br />�c <br />N <br />* xacL * <br />O <br />L. 3 <br />s <br />9Tf NF CA�HF��? <br />O <br />License Stamp <br />o <br />STAIR A3 ENLARGED <br />PLANS <br />STAIR PLAN LEVEL 7 SOALE:1/4'=1'-0' <br />STAIR PLAN LEVEL 11 SCALE:,/4• ,•-0' <br />A5-74 <br />