|
32
<br />2
<br />
<br />N
<br />.
<br />
<br />H
<br />A
<br />R
<br />B
<br />O
<br />R
<br />
<br />
<br />B
<br />L
<br />V
<br />D
<br />.
<br />SA
<br />N
<br />T
<br />A
<br />
<br />A
<br />N
<br />A
<br />,
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />3
<br />SHEET NUMBER
<br />2 0 2 4 0 1 0
<br />SHEET TITLE
<br />PROJECT NUMBER
<br />REVISIONS
<br />NO.DATE NO.DATE
<br />HANNOUCHE ARCHITECTS
<br />EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHT
<br />AND OTHER PROPERTY RIGHTS INHERENT IN
<br />THESE PLANS. ALL DRAWINGS, ELECTRONIC FILES,
<br />FIELD NOTES AND ASSOCIATED DOCUMENTS
<br />ARE INSTRUMENTS OF SERVICE AND ARE THE
<br />PROPERTY OF HANNOUCHE ARCHITECTS.
<br />ALL INFORMATION CONTAINED IN THESE DRAWINGS,
<br />ELECTRONIC FILES, FIELD NOTES AND ASSOCIATED
<br />DOCUMENTS IS PROJECT SPECIFIC AND SHALL NOT
<br />BE REPRODUCED, DISCLOSED, CHANGED, COPIED,
<br />OR USED OTHERWISE IN ANY FORM OR MANNER
<br />WHATSOEVER, WITHOUT FIRST OBTAINING THE
<br />EXPRESSED WRITTEN PERMISSION AND CONSENT
<br />OF HANNOUCHE ARCHITECTS.
<br />HANNOUCHE ARCHITECT c 2021
<br />HANNOUCHE
<br />ARCHITECTS
<br />949.261.2070
<br />SAMIR HANNOUCHE, ARCHITECT
<br />20250 SW ACACIA ST. #145 NEWPORT BEACH, CA 92660
<br />May 9, 2025
<br />1 CORR
<br />12/10/24
<br />BLDG
<br />A CORR
<br />3/18/25
<br />OCFA
<br />2 CORR
<br />4/09/25
<br />BLDG
<br />DATE SIGNED2
<br />3 CORR
<br />5/09/25
<br />BLDG
<br />A0.18
<br />DWELLING ADA
<br />NOTES DETAILS
<br />SCALE: N/A
<br />SECTION 1119A INTERIOR ROUTES OF TRAVEL
<br />1119A.1 GENERAL. WHEN A BUILDING OR PORTION OF A BUILDING IS REQUIRED TO BE ACCESSIBLE OR
<br />ADAPTABLE, AN ACCESSIBLE ROUTE SHALL BE PROVIDED TO ALL PORTIONS OF THE BUILDING,
<br />ACCESSIBLE BUILDING ENTRANCES AND TO COVERED MULTIFAMILY DWELLING UNITS. THE ACCESSIBLE
<br />ROUTE SHALL, TO THE MAXIMUM EXTENT FEASIBLE, COINCIDE WITH THE ROUTE FOR THE GENERAL
<br />PUBLIC AND OTHER BUILDING RESIDENTS. ACCESSIBLE ROUTES SHALL NOT PASS THROUGH KITCHENS,
<br />STORAGE ROOMS, RESTROOMS, CLOSETS OR OTHER SPACES USED FOR SIMILAR PURPOSES EXCEPT
<br />WITHIN AN INDIVIDUAL DWELLING UNIT. ACCESSIBLE ROUTES SHALL BE PROVIDED AS FOLLOWS:
<br />1. WHERE MORE THAN ONE ROUTE OF TRAVEL IS PROVIDED, ALL ROUTES SHALL BE ACCESSIBLE.
<br />2. AT LEAST ONE ACCESSIBLE ROUTE SHALL CONNECT ACCESSIBLE BUILDING OR FACILITY ENTRANCES
<br />WITH ALL ACCESSIBLE SPACES, ELEMENTS AND COVERED MULTIFAMILY DWELLING UNITS.
<br />3. AN ACCESSIBLE ROUTE SHALL CONNECT AT LEAST ONE ACCESSIBLE PRIMARY ENTRANCE OF EACH
<br />COVERED MULTIFAMILY DWELLING UNIT WITH INTERIOR AND EXTERIOR SPACES AND FACILITIES THAT
<br />SERVE THE UNIT.
<br />4. WHERE ELEVATORS ARE PROVIDED FOR VERTICAL ACCESS, ALL ELEVATORS SHALL BE ACCESSIBLE.
<br />1119A.2 FLOORING. FLOOR AND GROUND SURFACES SHALL BE STABLE, FIRM, AND SLIP RESISTANT. IF CARPET OR
<br />CARPET TILE IS USED IN A COMMON USE AREA OR PUBLIC USE AREA ON A GROUND OR FLOOR SURFACE,
<br />IT SHALL HAVE FIRM BACKING OR NO BACKING. CARPET OR CARPET TILE SHALL HAVE A LEVEL LOOP,
<br />TEXTURED LOOP, LEVEL CUT PILE, OR LEVEL CUT/UNCUT PILE TEXTURE. THE MAXIMUM PILE HEIGHT
<br />SHALL BE 1/2 INCH (12.7 MM). EXPOSED EDGES OF CARPET SHALL BE FASTENED TO FLOOR SURFACES
<br />AND HAVE TRIM ALONG THE ENTIRE LENGTH OF THE EXPOSED EDGE. CARPET EDGE TRIM SHALL COMPLY
<br />WITH SECTION 1121A (see detail XX this sheet) REQUIREMENTS FOR CHANGES IN LEVEL.
<br />1119A.2.1 RECESSED DOORMATS. RECESSED DOORMATS SHALL BE ADEQUATELY ANCHORED TO PREVENT
<br />INTERFERENCE WITH WHEELCHAIR TRAFFIC.
<br />SEC. 1119A INTERIOR ROUTES OF TRAVEL -SEC. 1120A INTERIOR ACCESSIBLE ROUTES -
<br />SECTION 1120A INTERIOR ACCESSIBLE ROUTES
<br />NOTE:FOR THE PURPOSE OF THIS SECTION, INTERIOR ACCESSIBLE ROUTES SHALL INCLUDE BUT NOT BE LIMITED
<br />TO CORRIDORS, HALLWAYS, EXIT BALCONIES AND COVERED OR ENCLOSED WALKWAYS.
<br />1120A.1 WIDTHS. INTERIOR ACCESSIBLE ROUTES SERVING AN OCCUPANT LOAD OF 10 OR MORE SHALL NOT BE LESS
<br />THAN 44 INCHES (1118 MM) IN WIDTH. INTERIOR ACCESSIBLE ROUTES SERVING AN OCCUPANT LOAD OF LESS
<br />THAN 10 SHALL NOT BE LESS THAN 36 INCHES (914 MM) IN WIDTH. IF A PERSON IN A WHEELCHAIR MUST
<br />MAKE A TURN AROUND A CORNER OR AN OBSTRUCTION, THE MINIMUM CLEAR WIDTH OF THE ACCESSIBLE
<br />ROUTE SHALL BE AS SPECIFIED IN SECTION 1138A.1.5 (see detail XX / XXX).
<br />1120A.2 INTERIOR ACCESSIBLE ROUTES OVER 200 FEET. INTERIOR ACCESSIBLE ROUTES THAT EXCEED 200 FEET (60
<br />960 MM) IN LENGTH SHALL COMPLY WITH SECTION 1138A.1.2. SEE FIGURE 11A-1L.
<br />1120A.3 CHANGES IN ELEVATION. INTERIOR ACCESSIBLE ROUTES WHICH HAVE CHANGES IN ELEVATION SHALL BE
<br />TRANSITIONED AND COMPLY WITH SECTION 1121A OR 1122A. EXCEPTION: DOORS AND THRESHOLDS AS
<br />PROVIDED IN SECTION 1126A (see detail XX / XXX).
<br />FIGURE 11A - 1L
<br />INTERIOR ACCESSIBLE ROUTE (CORRIDOR) OVER 200 FEET; OCCUPANT LOAD 10 OR MORE
<br />3'
<br />-
<br />8
<br />"
<br />
<br />M
<br />I
<br />N
<br />5'-0" MIN
<br />1'
<br />-
<br />4
<br />"
<br />MI
<br />N
<br />(b)
<br />minimum width for corridors over 200 feet
<br />(a)
<br />minimum width for corridors
<br />(c)
<br />Passing methods for corridors with length over 200' and width less than 5'-0"
<br />3'
<br />-
<br />8
<br />"
<br />
<br />M
<br />I
<br />N
<br />3'-8" MIN
<br />5'
<br />-
<br />0
<br />"
<br />
<br />M
<br />I
<br />N
<br />5'
<br />-
<br />0
<br />"
<br />
<br />M
<br />I
<br />N
<br />3'
<br />-
<br />8
<br />"
<br />
<br />M
<br />I
<br />N
<br />SEC. 1123A INTERIOR STAIRWAYS -
<br />1123A.6.2.4 HANDRAIL PROJECTIONS. HANDRAILS PROJECTING FROM A WALL SHALL HAVE A SPACE OF 1-1/2 INCHES
<br />(38.1 MM) BETWEEN THE WALL AND THE HANDRAIL. HANDRAILS MAY BE LOCATED IN A RECESS IF THE
<br />RECESS IS A MAXIMUM OF 3 INCHES (76.2 MM) DEEP AND EXTENDS AT LEAST 18 INCHES ( 457 MM) ABOVE
<br />THE TOP OF THE RAIL. ANY WALL OR OTHER SURFACE ADJACENT TO THE HANDRAIL SHALL BE FREE OF
<br />SHARP OR ABRASIVE ELEMENTS. (SEE FIGURE 11A6B).
<br />1123A.6.2.5 HANDRAIL GRIPS. THE HANDGRIP PORTION OF HANDRAILS SHALL NOT BE LESS THAN 1 1/4 INCHES (31.75
<br />MM) NOR MORE THAN 2 INCHES (50.8 MM) IN CROSS-SECTIONAL DIMENSION OR THE SHAPE SHALL PROVIDE
<br />AN EQUIVALENT GRIPPING SURFACE. THE HANDGRIP PORTION OF HANDRAILS SHALL HAVE A SMOOTH
<br />SURFACE WITH NO SHARP CORNERS. EDGES SHALL HAVE A MINIMUM RADIUS OF 1/8 INCH (3.17 MM).
<br />HANDRAILS SHALL NOT ROTATE WITHIN THEIR FITTINGS. (SEE FIGURE 11A-6B). NOTE: FOR PUBLIC USE
<br />AREAS, PUBLIC ACCOMMODATIONS, AND PUBLIC HOUSING, SEE CHAPTER 11B FOR PROVISIONS OF THE
<br />DIVISION OF THE STATE ARCHITECT-ACCESS COMPLIANCE (DSA-AC).
<br />FIGURE 11A-6B
<br />HANDRAILS
<br />(c)(d)
<br />(a)(b)
<br />1 1/4" MIN
<br />2" MAX
<br />1 1/2"
<br />1 1/4"
<br />MIN
<br />1 1/2"
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MA
<br />X
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MI
<br />N
<br />to
<br />
<br />s
<br />u
<br />i
<br />t
<br />de
<br />s
<br />i
<br />g
<br />n
<br />1 1/2"
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MI
<br />N
<br />18
<br />"
<br />
<br />M
<br />I
<br />N
<br />3" MAX
<br />1 1/4" MIN
<br />2" MAX
<br />1 1/2"
<br />nominal diameter1/8" min radius
<br />(typ)
<br />FIGURE 11A-6E
<br />STAIR HANDRAILS
<br />NOTE: inner handrail at landings of stairs that double back or
<br />immediately turn shall be continuous and shall not extend into
<br />the landing or path of travel
<br />X : extension of handrail shall be equal to the
<br />tread width plus 12"
<br />intermediate
<br />landing
<br />X X
<br />1'-0"
<br />1'
<br />-
<br />0
<br />"
<br />X1'
<br />-
<br />0
<br />"
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />floor landing
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />down
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />inner handrail
<br />and guardrail1 1/2"
<br />inner handrail
<br />and guardrail
<br />guardrail required
<br />guardrail may
<br />be required
<br />intermediate
<br />landing
<br />guardrail
<br />required
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />1'
<br />-
<br />0
<br />"
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />1'
<br />-
<br />0
<br />"
<br />Xintermediate
<br />landing
<br />1 1/2"
<br />1 1/2"1 1/2"
<br />floor landing
<br />floor landing
<br />SECTION 1123A INTERIOR STAIRWAYS
<br />1123A.1 GENERAL. INTERIOR STAIRWAYS SERVING BUILDINGS CONTAINING COVERED MULTIFAMILY DWELLING
<br />UNITS SHALL COMPLY WITH THIS SECTION.
<br />1123A.2 OPEN RISERS. OPEN RISERS SHALL NOT BE PERMITTED ON INTERIOR STAIRWAYS. EXCEPTION: STAIRWAYS
<br />WITHIN AN INDIVIDUAL DWELLING UNIT.
<br />1123A.3 TREADS. ALL TREAD SURFACES SHALL BE SLIP RESISTANT. TREADS SHALL HAVE SMOOTH, ROUNDED OR
<br />CHAMFERED EXPOSED EDGES AND NO ABRUPT EDGES AT THE NOSING (LOWER FRONT EDGE).
<br />1123A.4 NOSING. NOSING SHALL NOT PROJECT MORE THAN 1 1/4 INCHES (31.8 MM) PAST THE FACE OF THE RISER
<br />BELOW. RISERS SHALL BE SLOPED OR THE UNDERSIDE OF THE NOSING SHALL HAVE AN ANGLE NOT MORE
<br />THAN 30 DEGREES (0.52 RAD) FROM THE VERTICAL. (SEE FIGURE 11A-6A)
<br />1123A.5 STRIPING FOR THE VISUALLY IMPAIRED. INTERIOR STAIRS SHALL HAVE THE UPPER APPROACH AND LOWER
<br />TREAD MARKED BY A STRIPE PROVIDING CLEAR VISUAL CONTRAST.
<br />EXCEPTION:STAIRWAYS WITHIN AN INDIVIDUAL DWELLING UNIT.
<br />THE STRIPE SHALL BE A MINIMUM OF 2 INCHES (50.8 MM) WIDE TO A MAXIMUM OF 4 INCHES (101.6 MM) WIDE
<br />PLACED PARALLEL TO, AND NOT MORE THAN 1 INCH (25.4 MM) FROM, THE NOSE OF THE STEP OR UPPER
<br />APPROACH. THE STRIPE SHALL EXTEND THE FULL WIDTH OF THE STEP OR UPPER APPROACH AND SHALL
<br />BE OF MATERIAL THAT IS AT LEAST AS SLIP RESISTANT AS THE OTHER TREADS OF THE STAIR. A PAINTED
<br />STRIPE SHALL BE ACCEPTABLE.
<br />1123A.6 INTERIOR STAIRWAY HANDRAILS.
<br />1123A.6.1 WHERE REQUIRED. STAIRWAYS SHALL HAVE HANDRAILS ON EACH SIDE. INTERMEDIATE HANDRAILS SHALL
<br />BE LOCATED EQUIDISTANT FROM THE SIDES OF THE STAIRWAY AND COMPLY WITH CBC SECTION 1012.9.
<br />EXCEPTION:STAIRWAYS SERVING AN INDIVIDUAL DWELLING UNIT MAY HAVE ONE HANDRAIL, EXCEPT THAT STAIRWAYS
<br />OPEN ON ONE OR BOTH SIDES SHALL HAVE HANDRAILS ON THE OPEN SIDE OR SIDES.
<br />1123A.6.2 HANDRAIL CONFIGURATION.
<br />1123A.6.2.1 HANDRAIL HEIGHTS. THE TOP OF HANDRAILS SHALL BE 34 TO 38 INCHES (864 TO 965 MM) ABOVE THE
<br />NOSING OF THE TREADS.
<br />1123A.6.2.2 HANDRAIL ENDS. ENDS SHALL BE RETURNED OR SHALL TERMINATE IN NEWEL POSTS OR SAFETY
<br />TERMINALS.
<br />1123A.6.2.3 HANDRAIL EXTENSION. HANDRAILS SHALL EXTEND A MINIMUM OF 12 INCHES (305 MM) BEYOND THE TOP
<br />NOSING AND 12 INCHES (305 MM), PLUS THE TREAD WIDTH, BEYOND THE BOTTOM NOSING. WHERE THE
<br />EXTENSION CREATES A HAZARD, THE TERMINATION OF THE EXTENSION SHALL BE ROUNDED OR
<br />RETURNED SMOOTHLY TO FLOOR, WALL OR POST. WHERE THE STAIRS ARE CONTINUOUS FROM LANDING
<br />TO LANDING, THE INNER RAIL SHALL BE CONTINUOUS AND NEED NOT EXTEND OUT INTO THE LANDING. (SEE
<br />FIGURES 11A-6A AND 11A-6E).
<br />EXCEPTION:STAIRWAYS WITHIN AN INDIVIDUAL DWELLING UNIT.
<br />30° MAX
<br />1 1/4"
<br />MAX
<br />1 1/4"
<br />MAX
<br />FIGURE 11A-6A
<br />WARNING STRIPING AND HANDRAIL EXTENSIONS
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />1'-0" MIN
<br />12" plus tread width min
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />tread
<br />width
<br />2" min - 4" max *
<br />1" max
<br />*NOTE: at exterior stairs all treads are
<br />to have warning stripes per Section
<br />1115A.5
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />STAIRS
<br />clarification dimension
<br />line location
<br />(shown dashed)
<br />TREAD WIDTH TREAD WIDTH
<br />SECTION 1115A EXTERIOR STAIRWAYS
<br />1115A.1 GENERAL. EXTERIOR STAIRWAYS SERVING BUILDINGS ON A SITE CONTAINING COVERED MULTIFAMILY
<br />DWELLING UNITS SHALL COMPLY WITH THIS SECTION.
<br />1115A.2 OPEN RISERS. OPEN RISERS ARE NOT PERMITTED ON EXTERIOR STAIRWAYS.
<br />EXCEPTIONS:
<br />1. AN OPENING OF NOT MORE THAN INCH (12.7 MM) MAY BE PERMITTED BETWEEN THE BASE OF THE
<br />RISER AND THE TREAD.
<br />2. RISERS CONSTRUCTED OF GRATING CONTAINING OPENINGS OF NOT MORE THAN 1/2 INCH (12.7 MM)
<br />MAY BE PERMITTED.
<br />1115A.3 TREADS. ALL TREAD SURFACES SHALL BE SLIP RESISTANT. THREADS SHALL HAVE SMOOTH, ROUNDED OR
<br />CHAMFERED EXPOSED EDGES; AND NO ABRUPT EDGES AT THE NOSING (LOWER FRONT EDGE).
<br />1115A.4 NOSING. NOSING SHALL NOT PROJECT MORE THAN 1114 INCHES ( 31.8 MM) PAST THE FACE OF THE RISER
<br />BELOW. RISERS SHALL BE SLOPED OR THE UNDERSIDE OF THE NOSING SHALL HAVE AN ANGLE NOT MORE
<br />THAN 30 DEGREES (0.52 RAD) FROM THE VERTICAL. (SEE FIGURE 11A-6A).
<br />1115A.5 STRIPING FOR THE VISUALLY IMPAIRED. EXTERIOR STAIRS SERVING BUILDINGS ON A SITE CONTAINING
<br />MULTIFAMILY DWELLING UNITS SHALL HAVE THE UPPER APPROACH AND ALL TREADS MARKED BY A STRIPE
<br />PROVIDING CLEAR VISUAL CONTRAST. THE STRIPE SHALL BE A MINIMUM OF2 INCHES (50.8 TNM) WIDE TO A
<br />MAXIMUM OF4 INCHES (101.6 MM) WIDE PLACED PARALLEL TO, AND NOT MORE THAN 1 INCH (25.4 MM)FROM,
<br />THE NOSE OF THE STEP OR UPPER APPROACH. THE STRIPE SHALL EXTEND THE FULL WIDTH OF THE STEP OR
<br />UPPER APPROACH AND SHALL BE OF MATERIAL THAT IS AT LEAST AS SLIP RESISTANT AS THE OTHER TREADS
<br />OF THE STAIR. A PAINTED STRIPE SHALL BE ACCEPTABLE.
<br />1115A.6 EXTERIOR STAIRWAY HANDRAILS.
<br />1115A.6.1 WHERE REQUIRED. STAIRWAYS SHALL HAVE HANDRAILS ON EACH SIDE. INTERMEDIATE HANDRAILS SHALL BE
<br />LOCATED EQUIDISTANT FROM THE SIDES OF THE STAIRWAY AND COMPLY WITH SECTION 1012.9. EXCEPTION:
<br />STAIRWAYS SERVING AN INDIVIDUAL DWELLING UNIT MAY HAVE ONE HANDRAIL, EXCEPT THAT STAIRWAYS
<br />OPEN ON ONE OR BOTH SIDES SHALL HAVE HANDRAILS ON THE OPEN SIDE OR SIDES.
<br />1115A.6.2 HANDRAIL CONFIGURATION.
<br />1115A.6.2.1 HANDRAIL HEIGHTS. THE TOP OF HANDRAILS SHALL BE 34 TO 38 INCHES (864 TO 965 MM) ABOVE THE NOSING
<br />OF THE TREADS.
<br />1115A.6.2.2 HANDRAIL ENDS. ENDS SHALL BE RETURNED OR SHALL TERMINATE IN NEWEL POSTS OR SAFETY TERMINALS.
<br />1115A.6.2.3 HANDRAIL EXTENSION. HANDRAILS SHALL EXTEND A MINIMUM OF 12 INCHES ( 305 MM) BEYOND THE TOP
<br />NOSING AND 12 INCHES (305 MM), PLUS THE TREAD WIDTH, BEYOND THE BOTTOM NOSING. WHERE THE
<br />EXTENSION CREATES A HAZARD, THE TERMINATION OF THE EXTENSION SHALL BE ROUNDED OR RETURNED
<br />SMOOTHLY TO FLOOR, WALL OR POST. WHERE THE STAIRS ARE CONTINUOUS FROM LANDING TO LANDING,
<br />THE INNER RAIL SHALL BE CONTINUOUS AND NEED NOT EXTEND OUT INTO THE LANDING. (SEE FIGURES
<br />/JA-6A AND 11A-6E).
<br />SEC. 1115A EXTERIOR STAIRWAYS -
<br />30° MAX
<br />1 1/4"
<br />MAX
<br />1 1/4"
<br />MAX
<br />FIGURE 11A-6A
<br />WARNING STRIPING AND HANDRAIL EXTENSIONS
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />1'-0" MIN
<br />12" plus tread width min
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />tread
<br />width
<br />2" min - 4" max *
<br />1" max
<br />*NOTE: at exterior stairs all treads are
<br />to have warning stripes per Section
<br />1115A.5
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />STAIRS
<br />clarification dimension
<br />line location
<br />(shown dashed)
<br />TREAD WIDTH TREAD WIDTH
<br />1115A.6.2.4 HANDRAIL PROJECTIONS. HANDRAILS PROJECTING FROM A WALL SHALL HAVE A SPACE OF 1-1/2 INCHES (38.1
<br />MM) BETWEEN THE WALL AND THE HANDRAIL. HANDRAILS MAY BE LOCATED IN A RECESS IF THE RECESS IS
<br />A MAXIMUM OF 3 INCHES (76.2 MM) DEEP AND EXTENDS AT LEAST 18 INCHES ( 457 MM) ABOVE THE TOP OF
<br />THE RAIL. ANY WALL OR OTHER SURFACE ADJACENT TO THE HANDRAIL SHALL BE FREE OF SHARP OR
<br />ABRASIVE ELEMENTS. (SEE FIGURE 11A6B).
<br />1115A.6.2.5 HANDRAIL GRIPS. THE HANDGRIP PORTION OF HANDRAILS SHALL NOT BE LESS THAN 1114 INCHES (31.75 MM)
<br />NOR MORE THAN 2 INCHES ( 50.8 MM) IN CROSS-SECTIONAL DIMENSION OR THE SHAPE SHALL PROVIDE AN
<br />EQUIVALENT GRIPPING SURFACE. THE HANDGRIP PORTION OF HANDRAILS SHALL HAVE A SMOOTH SURFACE
<br />WITH NO SHARP CORNERS. EDGES SHALL HAVE A MINIMUM RADIUS OF 118 INCH (3.17 MM). HANDRAILS
<br />SHALL NOT ROTATE WITHIN THEIR FITTINGS. (SEE FIGURE 11A-6B). NOTE: FOR PUBLIC USE AREAS, PUBLIC
<br />ACCOMMODATIONS, AND PUBLIC HOUSING, SEE CHAPTER 11 B, FOR PROVISIONS OF THE DIVISION OF THE
<br />STATE ARCHITECT-ACCESS COMPLIANCE(DSA-AC).
<br />FIGURE 11A-6B
<br />HANDRAILS(c)(d)
<br />(a)(b)
<br />1 1/4" MIN
<br />2" MAX
<br />1 1/2"
<br />1 1/4"
<br />MIN
<br />1 1/2"
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MA
<br />X
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MI
<br />N
<br />to
<br />
<br />s
<br />u
<br />i
<br />t
<br />de
<br />s
<br />i
<br />g
<br />n
<br />1 1/2"
<br />1
<br />1
<br />/
<br />2
<br />"
<br />MI
<br />N
<br />18
<br />"
<br />
<br />M
<br />I
<br />N
<br />3" MAX
<br />1 1/4" MIN
<br />2" MAX
<br />1 1/2"
<br />nominal diameter
<br />1/8" min radius
<br />(typ)
<br />FIGURE 11A-6E
<br />STAIR HANDRAILS
<br />NOTE: inner handrail at landings of stairs that double back or
<br />immediately turn shall be continuous and shall not extend into
<br />the landing or path of travel
<br />X : extension of handrail shall be equal to the
<br />tread width plus 12"
<br />intermediate
<br />landingX X
<br />1'-0"
<br />1'
<br />-
<br />0
<br />"
<br />X1'
<br />-
<br />0
<br />"
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />floor landing
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />down
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />do
<br />w
<br />n
<br />inner handrail
<br />and guardrail1 1/2"
<br />inner handrail
<br />and guardrail
<br />guardrail required
<br />guardrail may
<br />be required
<br />intermediate
<br />landing
<br />guardrail
<br />required
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />1'
<br />-
<br />0
<br />"
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />1'
<br />-
<br />0
<br />"
<br />Xintermediate
<br />landing
<br />1 1/2"
<br />1 1/2"1 1/2"
<br />floor landing
<br />floor landing
<br />SECTION 1116A HAZARDS ON ACCESSIBLE ROUTES
<br />1116A.1 WARNING CURBS. ABRUPT CHANGES IN LEVEL EXCEEDING 4 INCHES (101.6 MM) IN VERTICAL DIMENSION,
<br />SUCH AS CHANGES IN LEVEL AT PLANTERS OR FOUNTAINS LOCATED IN OR ADJACENT TO WALKS,
<br />SIDEWALKS OR OTHER PEDESTRIAN WAYS SHALL BE IDENTIFIED BY CURBS OR OTHER APPROVED BARRIERS
<br />PROJECTING AT LEAST 6 INCHES ( 152.4 MM) IN HEIGHT ABOVE THE WALK OR SIDEWALK SURFACE TO WARN
<br />THE BLIND OF A POTENTIAL DROP-OFF.
<br />EXCEPTIONS:
<br />1. BETWEEN A WALK OR SIDEWALK AND AN ADJACENT STREET OR DRIVEWAY.
<br />2. WHEN A GUARDRAIL OR HANDRAIL IS PROVIDED WITH EDGE PROTECTION IN ACCORDANCE WITH
<br />SECTION 1010.10.1.
<br />1116A.2 HEADROOM CLEARANCE. WALKS, PEDESTRIAN WAYS, AND OTHER CIRCULATION SPACES, WHICH ARE PART
<br />OF THE REQUIRED EGRESS SYSTEM, SHALL HAVE A MINIMUM CLEAR HEADROOM AS REQUIRED IN SECTION
<br />1003.2. OTHER WALKS, PEDESTRIAN WAYS, AND CIRCULATION SPACES SHALL HAVE A MINIMUM CLEAR
<br />HEADROOM OF 80 INCHES (2032 MM). IF THE VERTICAL CLEARANCE OF AN AREA ADJOINING AN ACCESSIBLE
<br />ROUTE IS REDUCED TO LESS THAN 80 INCHES (2032 MM) NOMINAL DIMENSION, A GUARDRAIL OR OTHER
<br />BARRIER HAVING ITS LEADING EDGE AT OR BELOW 27 INCHES (686 MM) ABOVE THE FINISHED FLOOR SHALL
<br />BE PROVIDED.
<br />EXCEPTION: DOORWAYS AND ARCHWAYS LESS THAN 24 INCHES (610 MM) IN DEPTH MAY HAVE A
<br />MINIMUM CLEAR HEADROOM OF 80 INCHES (2032 MM) NOMINAL. (SEE SECTION 1126A.)
<br />1116A.3 OVERHANGING OBSTRUCTIONS. ANY OBSTRUCTION THAT OVERHANGS A PEDESTRIAN WAY SHALL BE A
<br />MINIMUM OF 80 INCHES (2032 MM) ABOVE THE WALKING SURFACE AS MEASURED FROM THE BOTTOM OF THE
<br />OBSTRUCTION. (SEE FIGURE 11 A -1 B.) WHERE A GUY SUPPORT IS USED PARALLEL TO A PATH OF TRAVEL,
<br />INCLUDING, BUT NOT LIMITED TO, SIDEWALKS, A GUY BRACE, SIDEWALK GUY OR SIMILAR DEVICE SHALL BE
<br />USED TO PREVENT AN OVERHANGING OBSTRUCTION (SEE SECTION 1116A.2 FOR REQUIRED HEADROOM
<br />CLEARANCE).
<br />1116A.4 FREE-STANDING SIGNS. WHEREVER SIGNS MOUNTED ON POSTS OR PYLONS PROTRUDE FROM THE POST OR
<br />PYLONS AND THE BOTTOM EDGE OF THE SIGN IS LESS THAN 80 INCHES (2032 MM) ABOVE THE FINISHED
<br />FLOOR OR GROUND LEVEL, THE EDGES OF SUCH SIGNS SHALL BE ROUNDED OR EASED AND THE CORNERS
<br />SHALL HAVE A MINIMUM RADIUS OF 0.125 INCHES (SEE SECTION 1116A.2 FOR REQUIRED HEADROOM
<br />CLEARANCE).
<br />1116A.5 DETECTABLE WARNINGS AT VEHICULAR AREAS. WHEN A WALK CROSSES OR ADJOINS A VEHICULAR WAY,
<br />THE WALKING SURFACE SHALL BE SEPARATED FROM THE VEHICULAR AREA BY CURBS, RAILINGS OR OTHER
<br />ELEMENTS, OR THE BOUNDARY BETWEEN THE PEDESTRIAN AREAS AND THE VEHICULAR AREA SHALL BE
<br />DEFINED BY A CONTINUOUS DETECTABLE WARNING 36 INCHES (914 mm) WIDE MINIMUM, COMPLYING WITH
<br />CHAPTER 11B, SECTION 11B-705.
<br />SEC. 1116A HAZARDS ON ACCESSIBLE ROUTES -
<br />FIGURE 11A-1B
<br />HEADROOM CLEARANCE AND OVERHANGING
<br />PROJECTION
<br />EGRESS HEADROOM CLEARANCE
<br />2'
<br />-
<br />3
<br />"
<br />
<br />M
<br />A
<br />X
<br />6'
<br />-
<br />8
<br />"
<br />
<br />M
<br />I
<br />N
<br />ov
<br />e
<br />r
<br />h
<br />a
<br />n
<br />g
<br />i
<br />n
<br />g
<br />
<br />o
<br />b
<br />s
<br />t
<br />r
<br />u
<br />c
<br />t
<br />i
<br />o
<br />n
<br />6'
<br />-
<br />8
<br />"
<br />
<br />M
<br />I
<br />N
<br />
<br />C
<br />L
<br />E
<br />A
<br />R
<br />guard or barrier
<br />rail
<br />7'
<br />-
<br />0
<br />"
<br />
<br />M
<br />I
<br />N
<br />he
<br />a
<br />d
<br />r
<br />o
<br />o
<br />m
<br />
<br />c
<br />l
<br />e
<br />a
<br />r
<br />a
<br />n
<br />c
<br />e
<br />2
<br />1
<br />3
<br />45
<br />1
<br />A0.11
|