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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 />2X WOOD STRINGER- REFER TO STRUCTURAL PLANS <br />PLYWOOD TREAD AND RISER <br />WOOD FRAMED LANDING- REFER TO STRUCTURAL PLAINS <br />SLIPRESISTANT WARNING STRIPE AT TOP APPROACH AND BOTTOM TREAD <br />G HANDRAIL-34'MINT030'MAJ(ABOVETREADN0INGPERCBC1012.2.MAX.- <br />PROJECTIONINTORDQUREGWIDTHPERCBC1012.6. <br />GUMO-4S MIN HIGH RAILING wI OPNINGS SPACED SO A-PHERE CANNOT PASS <br />THROUGH <br />S10 STAIRWAY FLCCR 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 - CLASSI <br />S1d ALTERNATING TREAD STAIR: PREFABRICATED STEEL <br />515 METAL GATE BARRIER -PR CSC 1023.8 <br />51fi GUMDWALL-Q'MIN HIGH <br />Sil SEE RITYSCMEN 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 SARRIRGUMDRAIL 27'H <br />S19 CAR 4NFPUE CONCRETE STAIR <br />DASHEDARC INDICATING44" CLEM PATHMOUT STAIRI HANDMIL, PER CK 10112 <br />520e DASHED ARC INDICATING 4' CLEAR PATH ABOUT STAIR I HANDRAIL, PERCBC10112 <br />521 KNOX BOX -SEE BUILDING PUNS <br />NYSTROM ROOF HATCH WITH INTEGRALOSHA COMPLNNTALUMINUM SAFETY RAILS (POWDERCOAT <br />SAFETY-1.01N) SEESTAIRROOFLEVELFOROPNINGSUE <br />52] PER CSC 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 CH —RN EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOS I NO <br />TRNG AND RISER CIMENSIONAL UNIFORMITY: STAIR TRENDS 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 NGES SHALL BE OF <br />UNIFORM SIZE, INCLUDING THE LEADING EDGE OF THE FLOOR AT THE MR EA FLIGHT. <br />HANDRAILCONTINUITY'. HANDRAILGRIPPING SURFACES SHALL BE CONTINUOUS, WITHOUT <br />INTERRUPTION BY NEWEL POSTS OR OTHER OBSTRUCTIONS. <br />fi. HAND MILEXTENSIONS'. HANDRAILS SHALL RETLRN TO THE WALL, GUAROORTHEWALKING <br />SURFACE OR SHALLBE CONTINUOUS TO THE HANDRAIL DEAN ADJACENT STAIR FLIGHT AT <br />STAIRWAYS WHERE HANDRAILS ME NOT CONTINUOUS BETWEEN FLIGHTS. THE HANDRAILS <br />SHALL EXTNDAT LEAST 12 INCHES BEYOND THETOP RISERAN012 INCHES, PLUSTHE <br />TREAD WIDTH, BEYOND THE BOTTOM RISER. WHERE THE STAIRS PRE CONTINUOUS FROM <br />LANCING TO LANDING, THE INNER RAIL SHALL BE CONTINUOUS AND NEED NOT EXTEND OUT <br />INTO THE LANDING. <br />7. EXR ENCLOSURE PNET-01,18: PENETRATIONSINTOANDOPNINGSTHROUGHANE%IT <br />ENCLOSURE ME PROHIBITED EXCEPT FOR REQUIRED EXIT DOORS, SPRINKLER PIPING, <br />STANDPIPES, ELECTRICAL —WAY(S) FOR FIRE OEPARTMENTCOMMUNICATION SYSTEMS <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 />APPROACH 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 21NCHES WIDETO AMAXIMUM OF4INCHES <br />WIDEPLAED PA UELTO,ANDNOTMOREMAN1INCHROM,THENOSEOFTHESTEP <br />UMERAPPROACH AND SHALLBE OF LMTERIALTHAT IS AT LNSTAS SLIPRESISTANTAS <br />THE OTHER TREAGE O THE STRIPE A ALLTED STRiESH LL WIDTH E TBLE. OR <br />THE OTHER TREADS OF THE BTAIR, A PAINTED STRIPE SHALL BE ACCEPTABLE. <br />9, ALL DIMENSIONS PRE TO THE FACE OF STUD, CMUORCONCRETEASOCCURS,U.N.O. <br />PARKING <br />_ _ <br />PARKING <br />LEGEND <br />GARAGE <br />ATH FL <br />® <br />GARAGE <br />,. .. .. .... .. .. <br />' � <br />T.O.LANDING <br />---- ---- <br />-- <br />-Z <br />M"` Q STANDPIPE <br />7'- <br />2X4 WOOD STUD FRAMING <br />® 2X0 WOOD STUD FRAMING <br />_ <br />O <br />CMUWALL SEE STRUCTURAL <br />m� <br />0 CONCRETEWALL SEESTRUCTURAL <br />PARKING............................ <br />by <br />GARAGE <br />...... ...... ....y...�...�.�... <br />S <br />PARKING <br />EXTENT OF EXTERIOR CEMENT PLASTER FINISH <br />SRO FL <br />T.O_LANDING <br />GARAGE <br />/ DIAGONAL HATCH INGICATES EXTENT OF EXTERIOR PLASTER SOFFIT OR <br />ROPPEO— BELOW RATED <br />HEGHT AS INDICATED INN PLAN EXTERIOR CEMENT PEIA3TER OVER BEXTRUDEID <br />METAL I-ATH OCCURS AT ENLMED PLANS FOR EXTENTEBWITX EXTERIOR WALL OPENINGS. SEE <br />Z- <br />30'AF CLEAR FLOOR AREA <br />5.0'DIAMETER NRN AROUND SPACE <br />PARKING <br />am <br />�� <br />PARKING <br />ENLARGED PLAN REFERENCES <br />GARAGE <br />2N0 FL <br />GARAGE <br />1, FOR WALL FIRERATINGS AND DETAIL REFERENCES, FIRE EXTINGUISHER <br />LOCATIONS— FIRE ACCESSANALYSIS, SEE SHEETSAU 11 THRU A625. <br />TR_LANDING <br />- _ <br />�-Z_Z <br />2, FOR EXTING ANALYSIS INCLUDING OCCUPANT LOADS. EXIT SIGNS AND DOOR PANIC <br />HARDWARE LOCATIONS, SE SHEETS A031 THRU A0d5. <br />SM w <br />A0.71 � <br />/ <br />SB <br />PARKING <br />— <br />GARAGE <br />59 <br />p <br />cwi <br />SB <br />SO <br />\ <br />C O <br />_ � <br />ms <br />PARKING <br />GARAGE <br />s19 <br />^ <br />� <br />52 <br />0 <br />'O <br />SIR <br />1ST — SLAB <br />w _—_— <br />Af171 <br />GRADGRAD ON E <br />,a ao <br />STAIR SECTION IBCALE:V4•= - 3 <br />STAIR SECTION BDALE:11^•=1•-D' 2 <br />STAIR SECTION BGAE:II< 1-P• <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 />1� <br />00 <br />L <br />Z <br />a <br />F— <br />It <br />I _J <br />No. Date Description H <br />m <br />U) <br />U <br />W <br />U <br />Z <br />11 <br />_ I— <br />wcww.menl _ i. owmwlm nw ..e �SEOnIARC,, UL <br />8pR wo�Fs N <br />v3 N <br />RMEwA9DAiE * O <br />f WSi JI, 202J <br />9Tf OF CAl\EOP? O <br />License Stamp o <br />STAIR Al SECTION <br />A5-71 <br />Too,1-T@ <br />