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STAIR KEYNOTES <br />51 STEELCHANNELSTRINGER <br />1-PIECE SLIP RESISTANT PRECAST CCNC TREAD AND RISER <br />STAIR INDING: STAIR CONSTRUCTION <br />2K WOOD STRINGER- REFER TO STRUCTURAL PLANS <br />PLYWOOD TREAD AND RISER <br />WOOD FRAMED LANDING- REFER TO STRUCTURAL PLANS <br />SLIPRESISTANT WARNING STRIPE AT TOP APPROACH AND BOTTOM TREAD <br />M HANDRAIL-34'MINTOM-MAJ(ABOVETREADN0INGPERCBC1012.2.MAX.- <br />PROJECTIONINTOREQUREGWIDTHPERCBC1012.6. <br />N GUMO-4S MIN HIGH WILING wI OPENINGS SPACED SO A-PHERE CANNOT PASS <br />THROUGH <br />S10 STAIRWAY FLCCR NUMBER SIGN (SEE SIGNAGE DWGS FDR 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 - CLASSI <br />S1d ALTERNATING TREAD STAIR: PREFABRICATED STEEL <br />515 METAL GATE BARRIER -PER CSC 1023.8 <br />51fi GUMDWALL-Q'MIN HIGH <br />Sil SECURITYSOMEN SYSTEM I- STEEL BARTOPAND BOTTOM RAILS WITH IN' PICKETSAT d' <br />O.C: MOUNT TO FLOOR SLAB OR STAIR STRINGERS PROVIDE 114- W., 9 GAUGE WIRE MESH AS <br />NOTED ON PUN <br />S10 SARRIERGUMDRAIL 27'H <br />S19 CAR 4— CONCRETE STAIR <br />DMHEDARC INDICATING44" CLEAR PATHMOUT STAIRI HMDMIL, PER CK 10112 <br />52Ce DASHED ARC INDICATING 4' CLEAR PATH ABOUT STAIR I HANDRAIL, PERCBC10111 <br />521 KNOX BOX -SEE BUILDING PUNS <br />NYSTROM ROOF HATCH WITH INTEGRALOSHA COMPLNNTALUMINUM SAFETY RAILS (POWDERCOAT <br />SAFETY-1.01N) SEESTAIRROOFLEVELFOROPENINGSUE <br />52] PER CBC SEC. 1011 STHE DOORAT ANY POSITION SHALL NOTREDUCETHE REQUIRED STAIR <br />LANDING DIMENSION TO LESS THAN ONE HALF ITS REQUIRED WIDTH. -CLEAR SPACE ISSHOWN ON <br />PUN WITH DASHED ARE. <br />STAIR NOTES <br />1 FOR TYPICAL STAIR DETAILS, REFER TO <br />A0.I1 ADM <br />2, TREADS: ALL TREAD SURFACES SHALL BE SLIP RESISTANT. TREAGS SHALL HAVE SM00 <br />ROUN DED OR CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOS I NO <br />TREAG AND RISER GIMENSIONAL UNIFORMITY: STAIR TREADS AND RISERS SHALL BE 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 NOT EXCEED <br />0.375 INCH IN ANY FLIGHT OF STAIRS. <br />4. TREAD PROFILE: THE RADIUS OF THE LEADING EDGE OF THE TREAD SHALL BE NOT <br />GREATER THAN 0.51NC11. BEVELING OF NOSING SHALL NOT EXCEED Q5 INCH. RISERS SHALL <br />BE SOLID AND VERTICAL OR SLOPED FROM THE UNDERSIDE OF THE LEADING EDGE OF THE <br />TREAD ABOVE AT AN ANGLE NOT MORE THAN 39 DEGREES FROM TH E VERTICAL. THE <br />LEADING EDGE (NOSING) OF TREADS SHALL PROJECT NOT MORE THAN 1.25INCHES <br />BEYONGTHE TREAD BELOW AND ALL PROJECTIONS OFTHE LEADING EDGES SHALL BE OF <br />UNIFORM SIZE, INCLUDING THE LEADING EDGE OF THE FLOOR AT THE MR OF FLIGHT. <br />HANDRAILCONTINUITY'. HANDRAILGRIPPING SURFACES SHALL BE CONTINUOUS, WITHOUT <br />INTERRUPTION BY NEWEL POSTS OR OTHER OMTRUCDONS. <br />fi. HANOMILEXTENSIONS'. HANDRAILS SHALL RETURN TO THE WALL, GUARDORTHEWALKING <br />SURFACE OR SHALLBE CONTINUOUS TO THE HANDRAIL OF AN ADJACENT STAIR FLIGHT AT <br />STAIRWAYS WHERE HANDRAILS ME NOT CONTINUOUS BETWEEN RIGHTS. THE HANDRAILS <br />SHALL EXTENDAT LEAST 12 INCHES BEYOND THETOP RISERAND 12 INCHES, PLUSTHE <br />TREAD WIDTH, BEYOND THE BOTTOM RISER. WHERE THE STAIRS PRE CONTINUOUS FROM <br />LMUING TO LANDING, THE INNER RAIL SHALL BE CONTINUOUS AND NEED NOT EXTEND CUT <br />INTO THE LANDING. <br />7. EXIT ENCLOSURE PENETMTIONS: PENETRATIONSINTOANDOPENINGSTHROUGHANEXIT <br />ENCLOSURE ME PROHIBITED EXCEPT FOR REQUIRED EXIT DOORS, SPRINNLER PIPING, <br />STANDPIPES, ELECTRICAL —WAY(S) FOR FIRE DEPARTMENTCOMMUNICATION SYSTEMS <br />T.O. PL <br />AND ELECTRICAL RACEWAY(S) SERVING THE EXIT ENCLOSURE, THERE SHALL BE NO <br />PENETRATIONS ORCOMMUNICATION OPENINGS, WHETHER PROTECTED OR NOT, BETWEEN <br />ADJACENT EXIT ENCLOSURES. <br />0. STRIPING FOR THEVISUALLY IMPAIRED: INTERIOR EXITSMRWAYS SHALL HAVE THE UPPER <br />APMOACH AND LOWER TREAD MARKED BY A STRIPE PROVIDING CLEAR ABU& CONTRAST. <br />EXTERIOR EXIT STAIRWAYS SHALL HAVE STRIPES ON THE UPPER APPROACH AND ON ALL <br />TREADS. THE STRIPE SHALL BE A MINIMUM OF 21NC1ES WIDETO AMAXIMUM OF4INCHES <br />WIDEPUCED PA UELTO,MDNOTMORETTNNIINCHFROM,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 PREGI STANT AS <br />THE OTHER TREADS OF THE STAIR, A PAINTED STRIPE SHALL BE ACCEPTABLE. <br />PARKING <br />PARKING <br />(� <br />9. ALL DIMENSIONS PRE TO THE FACE OF STUD, CMUORCONCRETEASOCCURS,U.N.O. <br />GARAGE <br />GARAGE <br />LEGEND <br />°T"" <br />s <br />Yt�,� Q STANDPIPE <br />M" ` <br />2X4 WOOD STUD FRAMING <br />® 2xs wood sTDO FRAMING <br />PARKING <br />PARKING <br />CMUWALL. SEE STRUCTURAL <br />0 CONCRETEWAIL SEESTRUCTURAL <br />GARAGE <br />GARAGE <br />3RD FL <br />EXTENT OF EXTERIOR CEMENT PLASTER FINISH <br />-- <br />_S <br />O.LAN <br />T.DIN <br />HEIGHTEASNOICPTEDINNPLAN EXTEROR CEMENT PETER OVERREXTRUDEID <br />METAL LATH OCCURS AT LOBBIES WITH EN(TERIOR WALL OPENINGS. SEE <br />—_ <br />ENLARGED PUNS FOR EXTENT. <br />�' 30'x48'CLEAR FLOOR AREA <br />51DIAMETER TURN AROUND SPACE <br />PARKING <br />'�� <br />PARKING <br />GARAGE <br />��••• <br />GARAGE <br />_ _ _ _ <br />2111L <br />T.O.LANDING <br />ENLARGED PLAN REFERENCES <br />1, FOR <br />SDAENTAALIYL ANALYSIS, SEEREE SCHEEETSAU E11XTTIHNRGUUIMSH2E5R <br />LOCATIONS ANDFINE ACCESS . <br />S <br />S_ <br />S <br />S 1 <br />2, FOR EXTING MALYSIS INCLUDING OCCUPANT LOADS. EXIT SIGNS AND DOOR PANIC <br />HARDWARE LOCATIONS, SEE SHEETS A031 THRU WAS. <br />AD-71 — <br />� <br />53 <br />S <br />S <br />� y <br />PARKING <br />59 <br />se <br />GARAGE <br />«m <br />w <br />®® <br />: <br />GARAGE <br />nn <br />w w <br />rn <br />.. <br />i <br />I <br />U <br />g 52 <br />N <br />m <br />«d <br />S19 <br />�y <br />.. -71 <br />_ <br />—_ - <br />" ---� -- hm <br />_—_— <br />dN <br />_ <br />t' '� ' <br />iST FLUN GRACE <br />ON GRADE <br />Na <br />i <br />3 <br />M-71 <br />STAIR SECTION IBCALE:V4•= - 3 <br />STAIR SECTION BDALE:11^•=1•-D• 2 <br />STAIR SECTION <br />1 <br />Architecture + Planning <br />17911 Von Karmen 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 />w <br />5W <br />L <br />F— <br />w <br />00 <br />L <br />a <br />2 <br />It <br />v <br />I � <br />No. Date Description H <br />m <br />U) <br />U <br />LLI <br />U <br />FZ <br />_ I— <br />wn, in Li- <br />8pR H-o�F'� N <br />v3 CV <br />RMEwA9DAiE * O <br />f WSi JI, 202J <br />9Tf OF ckol e? O <br />License Stamp 00 <br />STAIR B2 SECTION <br />A5-81 <br />Too,T< T@ <br />