|
(c)
<br />guide curb guide curb detail
<br />guide curb detail
<br />(b)
<br />handrail guide rail
<br />HANDRAIL
<br />FIGURE 11A-5A
<br />RAMPS AND SIDEWALKS
<br />(a)
<br />sidewalk obstructions
<br />FACE OF CURB
<br />STREET
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />MIN.
<br />12".MIN.
<br />12".
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br /><
<br />4
<br />"
<br />HI
<br />G
<br />H
<br />4"
<br />
<br />M
<br />I
<br />N
<br />.
<br />DESIGN
<br />TO SUIT
<br />POLE
<br />STREET
<br />CLEAR
<br />36" MIN.
<br />SIDEWALK
<br />48" MIN.
<br />CLEAR
<br />36" MIN.
<br />SIDEWALK
<br />48" MIN.
<br />FIGURE 11A-6A
<br />WARNING STRIPING AND
<br />HANDRAIL EXTENSIONS
<br />CLARIFICATION
<br />DIMENSION LINE
<br />LOCATION
<br />(SHOWN DASHED)
<br />* NOTE: AT EXTERIOR STAIR ALL
<br />TREADS ARE TO HAVE WARNING
<br />STRIPES PER SECTION 1115A.5
<br />STAIRS
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />WIDTH
<br />TREAD
<br />WIDTH MIN.
<br />12" PLUS TREAD
<br />34
<br />"
<br />
<br />T
<br />O
<br />
<br />3
<br />8
<br />"
<br />TREAD WIDTH
<br />1 1/4" MAX.
<br />12" MIN.
<br />TREAD WIDTH
<br />1 1/4" MAX.
<br />30° MAX.
<br />1" MAX.2" MIN. - 4" MAX. *
<br />MA
<br />X
<br />.
<br />1
<br />1
<br />/
<br />2
<br />.
<br />MI
<br />N
<br />.
<br />1
<br />1
<br />/
<br />2
<br />"
<br />.
<br />DE
<br />S
<br />I
<br />G
<br />N
<br />TO
<br />
<br />S
<br />U
<br />I
<br />T
<br />MIN.
<br />1 1/4".
<br />MIN.
<br />1 1/2".
<br />1/8" MIN.
<br />RADIUS (TYP.)
<br />(a)
<br />HANDRAILS WITH CIRCULAR
<br />CROSS SECTION
<br />NOMINAL
<br />DIAMETER
<br />(c)(d)
<br />FIGURE 11A-6B
<br />HANDRAILS
<br />2" MAX.
<br />1 1/4" MIN.1 1/2" MIN.
<br />3" MAX.
<br />1
<br />1
<br />/
<br />2
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />1 1/2" MIN.
<br />18
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />2" MAX.
<br />1 1/4" MIN.
<br />MIN.
<br />1 1/2".
<br />2 1/4" M
<br />AX.2 1/4" MAX.
<br />(B)
<br />HANDRAILS WITH NON-CIRCULAR
<br />CROSS SECTIONS
<br />4" - 6 1/4"
<br />PERIMETER
<br />1 1/4" - 2"
<br />1
<br />1
<br />/
<br />2
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />GUARDRAIL
<br />REQUIRED
<br />INTERMEDIATE
<br />LANDING
<br />INTERMEDIATE
<br />LANDING
<br />INNER
<br />HANDRAIL AND
<br />GUARDRAIL
<br />GUARDRAIL
<br />REQUIRED
<br />FIGURE 11A-6E
<br />STAIR HANDRAILS
<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 />do
<br />w
<br />n
<br />GUARDRAIL MAY
<br />BE REQUIRED
<br />INTERMEDIATE
<br />LANDING
<br />INNER HANDRAIL
<br />AND GUARDRAIL
<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 />floor landing floor landing
<br />NOTE: INNER HANDRAIL AT LANDINGS OF
<br />STAIRS THAT DOUBLE BACK OR IMMEDIATELY
<br />TURN SHALL BE CONTINUOUS AND SHALL NOT
<br />EXTEND INTO THE LANDING OR PATH OF
<br />TRAVEL
<br />X: EXTENSION OF HANDRAIL SHALL
<br />BE EQUAL TO THE TREAD WIDTH
<br />PLUS 12"
<br />1'
<br />-
<br />0
<br />"
<br />.
<br />1 1/2".
<br />X
<br />12
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />X
<br />1 1/2".
<br />12
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />X
<br />1'
<br />-
<br />0
<br />"
<br />.
<br />12
<br />"
<br />.
<br />X
<br />12" MIN.
<br />1 1/2".
<br />X
<br />12
<br />"
<br />.
<br />X
<br />1 1/2".
<br />12
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />X
<br />EGRESS HEADROOM CLEARANCE
<br />GUARD OR
<br />BARRIER RAIL
<br />FIGURE 11A-1B
<br />HEADROOM CLEARANCE AND
<br />OVERHANGING PROJECTION
<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 />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 />7'
<br />-
<br />0
<br />"
<br />
<br />M
<br />I
<br />N
<br />.
<br />FIGURE 11A-6D
<br />RAMP LANDING AT DOORWAY
<br />(b)
<br />ramp landing at doorway
<br />(A)
<br />RAMP WITH INTERMEDIATE
<br />SWITCH BACK LANDING
<br />24" MIN. EXTERIOR AND 18"
<br />INTERIOR BEYOND THE STRIKE
<br />EDGE OF A GATE OR DOOR ON
<br />THE SIDE TOWARD WHICH THE
<br />DOOR SWINGS
<br />NOTE 1: WHEN DOOR SWINGS ONTO
<br />LANDING 42" MIN PLUS DOOR WIDTH
<br />NOTE 2: MAXIMUM HORIZONTAL
<br />DISTANCE OF EACH RAMP AND RUN
<br />VARY
<br />WHEN A DOOR DOES
<br />NOT SWING ONTO
<br />THE LANDING
<br />SEE NOTE 2
<br />6'-0" MIN.
<br />5'-0" MIN.
<br />SEE
<br />NOTE 1
<br />5'-0" MIN.
<br />6'-0" MIN.
<br />width as required width as required
<br />do
<br />o
<br />r
<br />
<br />w
<br />i
<br />d
<br />t
<br />h
<br />
<br />p
<br />l
<br />u
<br />s
<br />
<br />4
<br />2
<br />"
<br />width as required
<br />5'-0" MIN.
<br />.
<br />NOTE 1: WHEN DOOR
<br />SWINGS ONTO LANDING 42"
<br />MIN PLUS DOOR WIDTH
<br />NOTE 2: MAXIMUM
<br />HORIZONTAL DISTANCE OF
<br />EACH RAMP AND RUN VARY
<br />WHEN A DOOR
<br />DOES NOT
<br />SWING ONTO
<br />THE LANDING
<br />see note 2
<br />see note 2
<br />intermediate
<br />level
<br />landing
<br />bottom
<br />level
<br />landing
<br />see note
<br />1 top
<br />landing
<br />(a)
<br />straight run ramp
<br />(B)
<br />RAMP WITH TURNING
<br />LANDING
<br />see note 2
<br />see note 2
<br />WHEN A DOOR
<br />DOES NOT SWING
<br />ONTO THE LANDING
<br />intermediate
<br />level
<br />landing
<br />see note 1
<br />top
<br />landing
<br />intermediate
<br />turning
<br />landing
<br />bottomlevel landing
<br />FIGURE 11A-6C
<br />RAMP DIMENSIONS
<br />6'-0"
<br />MIN.
<br />5'-0"
<br />MIN.
<br />5'-0" MIN.5'-0" MIN.
<br />6'-0" MIN.
<br />width as required
<br />width as
<br />required
<br />72" MIN.
<br />width as required
<br />5'-0" MIN.60" MIN.
<br />5'-0" MIN.
<br />al
<br />l
<br />
<br />i
<br />d
<br />e
<br />a
<br />s
<br />,
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<br />d
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<br />s
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<br />g
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<br />d
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<br />.
<br />JOB NO.
<br />SUBMITTAL
<br />DATE
<br />SHEET TITLE
<br />SHEET NO.
<br />CLIENT:
<br />Plot Date:File:
<br />REVISION
<br />DATE
<br />21
<br />3
<br />0
<br />
<br />E
<br />
<br />4
<br />T
<br />H
<br />
<br />S
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<br />,
<br />
<br />C
<br />A
<br />
<br />9
<br />2
<br />7
<br />0
<br />5
<br />1ST PLAN CHECK SUBMITTAL 08/20/2024
<br />970 W. 190TH ST., STE 250, TORRANCE CA 90502
<br />O: 310.217.8885
<br />BSBDESIGN.COM
<br />D E S I G N
<br />BSB
<br />4TH P.C. SUBMITTAL
<br />07/08/2025
<br />2ND PLAN CHECK SUBMITTAL 01/29/2025
<br />3RD PLAN CHECK SUBMITTAL 04/17/2025
<br />4TH PLAN CHECK SUBMITTAL 07/08/2025
<br />11/4/2025 8:52:28 PM
<br />MR230056
<br />A082
<br />CBC 11A DIV I & DIV II SITE
<br />ACCESSIBILITY NOTES - Cont
<br />OL
<br />I
<br />V
<br />E
<br />
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<br />N
<br />T
<br />A
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<br />A
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<br />A
<br />
<br />9
<br />2
<br />7
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<br />OL
<br />I
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<br />S
<br />T
<br />1112A.6 LEVEL LANDING. A LEVEL LANDING 48 INCHES DEEP SHALL BE PROVIDED AT THE UPPER
<br />END OF EACH CURB RAMP OVER ITS FULL WIDTH TO PERMIT SAFE EGRESS FROM THE RAMP
<br />SURFACE, OR THE SLOPE OF THE FANNED OR FLARED SIDES OF THE CURB RAMP, SHALL NOT
<br />EXCEED 1 UNIT VERTICAL TO 12 UNITS HORIZONTAL (8.33-PERCENT SLOPE).
<br />1112A.7 FINISH.THE SURFACE OF EACH CURB RAMP AND ITS FLARED SIDES SHALL BE STABLE,
<br />FIRM AND SLIP-RESISTANT AND SHALL BE OF CONTRASTING FINISH FROM THAT OF THE ADJACENT
<br />SIDEWALK.
<br />1112A.8 BORDER.ALL CURB RAMPS SHALL HAVE A GROOVED BORDER 12 INCHES WIDE AT THE
<br />LEVEL SURFACE OF THE SIDEWALK ALONG THE TOP AND EACH SIDE APPROXIMATELY 3/4 INCH ON
<br />CENTER. ALL CURB RAMPS CONSTRUCTED BETWEEN THE FACE OF THE CURB AND THE STREET
<br />SHALL HAVE A GROOVED BORDER AT THE LEVEL SURFACE OF THE SIDEWALK. SEE FIGURES
<br />11A-3A THROUGH 11A-3K.
<br />1112A.9 DETECTABLE WARNINGS. SEE CHAPTER 11B
<br />SECTION 1113A WALKS AND SIDEWALKS ON AN ACCESSIBLE ROUTE
<br />1113A.1 WIDTH AND CONTINUOUS SURFACE. WALKS AND SIDEWALKS SUBJECT TO THIS CHAPTER
<br />SHALL HAVE A CONTINUOUS COMMON SURFACE, NOT INTERRUPTED BY STEPS OR BY ABRUPT
<br />CHANGES IN LEVEL EXCEEDING 1/2 INCH. (SEE SECTION 1111A).
<br />1113A.1.1 WIDTH. WALKS AND SIDEWALKS SHALL BE A MINIMUM OF 48 INCHES IN WIDTH,
<br />EXCEPT THAT WALKS SERVING AN INDIVIDUAL DWELLING UNIT IN COVERED MULTIFAMILY
<br />BUILDINGS MAY BE REDUCED TO 36 INCHES IN CLEAR WIDTH EXCEPT AT DOORS.
<br />1113A.1.2 SURFACE CROSS SLOPES.SURFACE CROSS SLOPES SHALL NOT EXCEED 1 UNIT
<br />VERTICAL IN 48 UNITS HORIZONTAL (2.083-PERCENT SLOPE).
<br />1113A.2 WALKS WITH CONTINUOUS GRADIENTS.ALL WALKS ON AN ACCESSIBLE ROUTE WITH
<br />CONTINUOUS GRADIENTS SHALL HAVE LEVEL AREAS AT LEAST 60 INCHES IN LENGTH AT
<br />INTERVALS OF AT LEAST EVERY 400 FEET.
<br />1113A.3 FIVE PERCENT GRADIENT.WHEN THE SLOPE IN THE DIRECTION OF TRAVEL OF ANY WALK
<br />ON AN ACCESSIBLE ROUTE EXCEEDS 1 UNIT VERTICAL IN 20 UNITS HORIZONTAL ( 5-PERCENT
<br />SLOPE), IT SHALL COMPLY WITH THE RAMP PROVISIONS OF SECTION 1114A.
<br />1113A.4 LEVEL AREAS.WALKS ON AN ACCESSIBLE ROUTE SHALL BE PROVIDED WITH A LEVEL AREA
<br />NOT LESS THAN 60 INCHES BY 60 INCHES (1524 MM BY 1524 MM) AT A DOOR OR GATE THAT SWINGS
<br />TOWARD THE WALK, AND NOT LESS THAN 48 INCHES WIDE BY 44 INCHES (1219 MM BY 1118 MM)
<br />DEEP AT A DOOR OR GATE THAT SWINGS AWAY FROM THE WALK. SEE SECTION 1126A.3 FOR
<br />STRIKE EDGE MANEUVERING SPACE AT DOORS OR GATES.
<br />1113A.5 GRATINGS.WALKS, SIDEWALKS AND PEDESTRIAN WAYS ON AN ACCESSIBLE ROUTE SHALL
<br />BE FREE OF GRATINGS WHENEVER POSSIBLE. GRATINGS LOCATED IN THE SURFACE OF ANY OF
<br />THESE AREAS, GRID OPENINGS IN GRATINGS SHALL BE LIMITED TO 1/2 INCH (12. 7 MM) IN THE
<br />DIRECTION OF TRAFFIC FLOW. ELONGATED OPENINGS IN GRATINGS SHALL BE PLACED SO THAT
<br />THE LONG DIMENSION IS PERPENDICULAR TO THE DOMINANT DIRECTION OF TRAFFIC.
<br />EXCEPTIONS:
<br />1. WHERE THE ENFORCEMENT AGENCY DETERMINES THAT COMPLIANCE WITH THIS
<br />SECTION WOULD CREATE AN UNREASONABLE HARDSHIP, AN EXCEPTION MAY BE
<br />GRANTED WHEN EQUIVALENT FACILITATION IS PROVIDED.
<br />2. THIS SECTION SHALL NOT APPLY IN THOSE CONDITIONS WHERE, DUE TO LEGAL OR
<br />PHYSICAL CONSTRAINTS, ALL OR PORTIONS OF THE SITE OF THE PROJECT WILL NOT
<br />ALLOW COMPLIANCE WITH THESE BUILDING STANDARDS OR EQUIVALENT FACILITATION
<br />ON ALL OR PORTIONS OF ONE SITE WITHOUT CREATING AN UNREASONABLE HARDSHIP.
<br />1113A.6 HANDRAILS.HANDRAILS PROVIDED ALONG WALKING SURFACES WITH RUNNING SLOPES
<br />NOT STEEPER THAN ONE UNIT VERTICAL IN 20 UNITS HORIZONTAL (5-PERCENT SLOPE) SHALL
<br />COMPLY WITH SECTION 1114A.6.
<br />SECTION 1114A EXTERIOR RAMPS AND LANDINGS ON ACCESSIBLE ROUTES
<br />1114A.1 WIDTH. THE WIDTH OF RAMPS SHALL BE CONSISTENT WITH THE REQUIREMENTS FOR
<br />EXITS IN CHAPTER 10 OF THIS CODE, BUT IN NO CASE SHALL THE RAMP WIDTH BE LESS THAN 48
<br />INCHES.
<br />HANDRAILS MAY PROJECT INTO THE REQUIRED CLEAR WIDTH OF THE RAMP AT EACH SIDE 3
<br />1/2 INCHES MAXIMUM AT THE HANDRAIL HEIGHT. CURBS, WHEEL GUIDES AND/OR
<br />APPURTENANCES SHALL NOT PROJECT INTO THE REQUIRED CLEAR WIDTH OF RAMPS.
<br />EXCEPTION: THE CLEAR WIDTH OF RAMPS SERVING ACCESSIBLE ENTRANCES TO COVERED
<br />MULTIFAMILY DWELLINGS WITH AN OCCUPANT LOAD OF 10 OR LESS MAY BE 36 INCHES
<br />MINIMUM BETWEEN HANDRAILS.
<br />NOTE: SEE SECTION 1114A.6.2.4 FOR HANDRAIL PROJECTIONS.
<br />1114A.2 SLOPE. THE MAXIMUM SLOPE OF RAMPS ON AN ACCESSIBLE ROUTE SHALL BE NO
<br />GREATER THAN 1 UNIT VERTICAL IN 12 UNITS HORIZONTAL (8.33-PERCENT SLOPE). TRANSITIONS
<br />FROM RAMPS TO WALKS, GUTTERS OR STREETS SHALL BE FLUSH AND FREE OF ABRUPT
<br />CHANGES.
<br />EXCEPTION: RAMPS SERVING DECKS, PATIOS OR BALCONIES AS SPECIFIED IN SECTION
<br />1132A.4.
<br />1114A.2.1 CROSS SLOPE.THE CROSS SLOPE OF RAMP SURFACES SHALL BE NO GREATER
<br />THAN 1/4 INCH PER FOOT (2.0% MAX-PERCENT SLOPE).
<br />1114A.3 OUTDOOR RAMPS.OUTDOOR RAMPS, RAMP LANDINGS AND THEIR APPROACHES SHALL BE
<br />DESIGNED SO THAT WATER WILL NOT ACCUMULATE ON THE WALKING SURFACE.
<br />1114A.4 LANDINGS. RAMP LANDINGS SHALL BE LEVEL AND COMPLY WITH THIS SECTION.
<br />1114A.4.1 LOCATION OF LANDINGS.LANDINGS SHALL BE PROVIDED AT THE TOP AND BOTTOM
<br />OF EACH RAMP. INTERMEDIATE LANDINGS SHALL BE PROVIDED AT INTERVALS NOT
<br />EXCEEDING 30 INCHES (762 MM) OF VERTICAL RISE AND AT EACH CHANGE OF DIRECTION.
<br />LANDINGS ARE NOT CONSIDERED IN DETERMINING THE MAXIMUM HORIZONTAL DISTANCE OF
<br />EACH RAMP.
<br />NOTE:EXAMPLES OF RAMP DIMENSIONS ARE:
<br />1114A.4.2 SIZE OF TOP LANDINGS.TOP LANDINGS SHALL NOT BE LESS THAN 60 INCHES ( 1524
<br />MM) WIDE. TOP LANDINGS SHALL HAVE A MINIMUM LENGTH OF NOT LESS THAN 60 INCHES
<br />(1524 MM) IN THE DIRECTION OF THE RAMP RUN. SEE SECTION 1126A.3 FOR MANEUVERING
<br />CLEARANCES AT DOORS.
<br />1114A.4.3 SIZE OF BOTTOM AND INTERMEDIATE LANDINGS. THE MINIMUM WIDTH OF BOTTOM
<br />AND INTERMEDIATE LANDINGS SHALL NOT BE LESS THAN THE WIDTH OF THE RAMP.
<br />INTERMEDIATE LANDINGS SHALL HAVE A LENGTH IN THE DIRECTION OF RAMP RUN OF NOT
<br />LESS THAN 60 INCHES. BOTTOM LANDINGS SHALL HAVE A LENGTH IN THE DIRECTION OF
<br />RAMP RUN OF NOT LESS THAN 72 INCHES.
<br />1114A.4.4 ENCROACHMENT OF DOORS.DOORS IN ANY POSITION SHALL NOT REDUCE THE
<br />MINIMUM DIMENSION OF THE LANDING TO LESS THAN 42 INCHES (1067 MM) AND SHALL NOT
<br />REDUCE THE REQUIRED WIDTH BY MORE THAN 3 INCHES (76.2 MM) WHEN FULLY OPEN. (SEE
<br />FIGURE 11A-6D).
<br />1114A.4.5 STRIKE EDGE EXTENSION. THE WIDTH OF THE LANDING SHALL COMPLY WITH
<br />SECTION 1126A.3 FOR STRIKE EDGE EXTENSION AND MANEUVERING CLEARANCE AT DOORS.
<br />WHERE DOORWAYS ARE LOCATED ADJACENT TO A RAMP LANDING, MANEUVERING
<br />CLEARANCE REQUIRED BY SECTION 1126A.3 SHALL BE PERMITTED TO OVERLAP THE
<br />REQUIRED LANDING AREA.
<br />1114A.4.6 CHANGE OF DIRECTION. INTERMEDIATE LANDINGS AT A CHANGE OF DIRECTION
<br />SHALL BE SIZED TO PROVIDE 60 INCHES TURNING SPACE COMPLYING WITH SECTION
<br />1138A.1.3. INTERMEDIATE LANDINGS AT A CHANGE OF DIRECTION IN EXCESS OF 30 DEGRESS
<br />SHALL HAVE A LENGTH IN THE DIRECTION OF RAMP RUN OF NOT LESS THAN 72 INCHES. (SEE
<br />FIGURES 11A-6C AND 11A-6D.)
<br />1114A.5 RAMP HEIGHT.RAMPS MORE THAN 30 INCHES (762 MM) ABOVE THE ADJACENT FLOOR OR
<br />GROUND AND OPEN ON ONE OR BOTH SIDES SHALL BE PROVIDED WITH GUARDRAILS AS REQUIRED
<br />BY SECTION1013. GUARDRAILS SHALL BE CONTINUOUS FROM THE TOP OF THE RAMP TO THE
<br />BOTTOM OF THE RAMP.
<br />1114A.6 RAMP HANDRAILS.
<br />1114A.6.1 WHERE REQUIRED.HANDRAILS SHALL BE PROVIDED AT EACH SIDE OF RAMPS WHEN
<br />THE SLOPE EXCEEDS 1 UNIT VERTICAL IN 20 UNITS HORIZONTAL (5-PERCENT SLOPE).
<br />EXCEPTIONS:
<br />1. CURB RAMPS.
<br />2. RAMPS THAT SERVE AN INDIVIDUAL DWELLING UNIT MAY HAVE ONE HANDRAIL,
<br />EXCEPT THAT RAMPS OPEN ON ONE OR BOTH SIDES SHALL HAVE HANDRAILS
<br />PROVIDED ON THE OPEN SIDE OR SIDES.
<br />3. RAMPS AT EXTERIOR DOOR LANDINGS WITH LESS THAN 6 INCHES RISE OR LESS
<br />THAN 72 INCHES IN LENGTH.
<br />1114A. 6.2 HANDRAIL CONFIGURATION.
<br />1114A.6.2.1 HANDRAIL HEIGHTS. THE TOP OF HANDRAILS SHALL BE 34 TO 38 INCHES
<br />ABOVE THE RAMP SURFACE.
<br />1114A.6.2.2 HANDRAIL CONTINUITY. HANDRAILS ON ALL RAMPS SHALL BE CONTINUOUS WITHIN
<br />THE FULL LENGTH OF EACH RAMP RUN. INSIDE HANDRAILS ON SWITCHBACK OR DOGLEG
<br />RAMPS SHALL BE CONTINUOUS BETWEEN RAMP RUNS.
<br />1114A.6.2.3 HANDRAIL EXTENSION. HANDRAILS SHALL EXTEND A MINIMUM OF 12 INCHES
<br />HORIZONTALLY ABOVE LANDINGS, BEYOND THE TOP AND BOTTOM OF THE RAMP RUNS.
<br />EXTENSIONS SHALL RETURN TO A WALL, GUARD, OR THE WALKING SURFACE, OR SHALL BE
<br />CONTINUOUS TO THE HANDRAIL OF AN ADJACENT RAMP RUN. HANDRAIL EXTENSIONS SHALL
<br />BE IN THE SAME DIRECTION AS THE RAMP RUNS. (SEE FIGURE 11A-5A).
<br />1114A.6.2.4 HANDRAIL PROJECTIONS.HANDRAILS PROJECTING FROM A WALL SHALL HAVE A
<br />SPACE OF 1-1/2 INCHES MINIMUM BETWEEN THE WALL AND THE HANDRAIL.
<br />HANDRAILS MAY BE LOCATED IN A RECESS IF THE RECESS IS A MAXIMUM OF 3 INCHES DEEP
<br />AND EXTENDS AT LEAST 18 INCHES ABOVE THE TOP OF THE RAIL. ANY WALL OR OTHER
<br />SURFACE ADJACENT TO THE HANDRAIL SHALL BE FREE OF SHARP OR ABRASIVE ELEMENTS.
<br />(SEE FIGURE 11A-6B).
<br />1114A.6.2.5 HANDRAIL GRIPPING SURFACES. HANDRAIL GRIPPING SURFACES SHALL BE
<br />CONTINUOUS ALONG THEIR LENGTH, AND SHALL NOT BE OBSTRUCTED ALONG THEIR TOPS OR
<br />SIDES. THE BOTTOMS OF HANDRAIL GRIPPING SURFACES SHALL NOT BE OBSTRUCTED FOR
<br />MORE THAN 20 PERCENT OF THEIR LENGTH. WHEN PROVIDED, HORIZONTAL PROJECTIONS
<br />SHALL OCCUR 1 1/2 INCHES MINIMUM BELOW THE BOTTOM OF THE HANDRAIL GRIPPING
<br />SURFACE. THE DISTANCE BETWEEN HORIZONTAL PROJECTIONS AND THE BOTTOM OF THE
<br />GRIPPING SURFACE SHALL BE PERMITTED TO BE REDUCED BY 1/8 INCH FOR EACH 1/2 INCH OF
<br />ADDITIONAL HANDRAIL PERIMETER DIMENSION THAT EXCEEDS 4 INCHES.
<br />HANDRAIL GRIPPING SURFACES AND ANY SURFACES ADJACENT TO THEM SHALL BE
<br />FREE OF SHARP OR ABRASIVE ELEMENTS, AND SHALL HAVE ROUNDED EDGES.
<br />EXCEPTION: WHERE HANDRAILS ARE PROVIDED ALONG WALKING SURFACES WITH
<br />SLOPES NOT STEEPER THAN 1 UNIT VERTICAL IN 20 UNITS HORIZONTAL, THE BOTTOMS
<br />OF HANDRAIL GRIPPING SURFACES SHALL BE PERMITTED TO BE OBSTRUCTED ALONG
<br />THEIR ENTIRE LENGTH WHERE THEY ARE INTEGRAL TO CRASH RAILS OR BUMPER
<br />GUARDS.
<br />1114A.6.2.6 CROSS SECTION. HANDRAIL GRIPPING SURFACES SHALL COMPLY WITH THIS
<br />SECTION, OR THE SHAPE SHALL PROVIDE EQUIVALENT GRIPPING SURFACE.
<br />1. CIRCULAR CROSS SECTION.THE HANDRAIL GRIPPING SURFACES WITH A CIRCULAR
<br />CROSS SECTION SHALL NOT BE LESS THAN 1 1/4 INCHES NOR MORE THAN 2
<br />INCHES IN CROSS-SECTIONAL DIMENSION.
<br />2. NON CIRCULAR CROSS SECTION.HANDRAIL GRIPPING SURFACES WITH A
<br />NONCIRCULAR CROSS SECTION SHALL HAVE A PERIMETER DIMENSION OF 4
<br />INCHES MINIMUM AND 6 1/4 INCHES MAXIMUM, AND A CROSS-SECTION DIMENSION
<br />OF 2 1/4 INCHES MAXIMUM.
<br />1114A.6.2.7 FITTINGS. HANDRAILS SHALL NOT ROTATE WITHIN THEIR FITTINGS.
<br />1114A.7 EDGE PROTECTION.RAMPS AND RAMP LANDINGS SHALL BE PROVIDED WITH A CONTINUOUS
<br />AND UNINTERRUPTED BARRIER ON EACH SIDE ALONG THE ENTIRE LENGTH IN COMPLIANCE WITH
<br />SECTIONS 1010.10 AND 1010.10.1. (SEE FIGURE 11A-5A.)
<br />NOTE:EXTENDED FLOORS OR GROUND SURFACES, AS PERMITTED IN SECTION 1010.10.2, ARE
<br />NOT ALLOWED FOR RAMPS AND RAMP LANDINGS PART OF AN ACCESSIBLE ROUTE.
<br />SECTION 1115A EXTERIOR STAIRWAYS
<br />1115A.1 GENERAL.EXTERIOR STAIRWAYS SERVING BUILDINGS ON A SITE CONTAINING COVERED
<br />MULTIFAMILY 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
<br />THE BASE OF THE RISER AND THE TREAD.
<br />2. RISERS CONSTRUCTED OF GRATING CONTAINING OPENINGS OF NOT MORE THAN
<br />1/2 INCH (12.7 MM) MAY BE PERMITTED.
<br />1115A.3 TREADS. ALL TREAD SURFACES SHALL BE STABLE, FIRM AND SLIP RESISTANT, AND SHALL
<br />COMPLY WITH SECTION 1110A.3. TREADS SHALL HAVE SMOOTH, ROUNDED OR CHAMFERED
<br />EXPOSED EDGES, AND NO ABRUPT EDGES AT THE NOSING (LOWER FRONT EDGE).
<br />1115A.4 NOSING.NOSING SHALL NOT PROJECT MORE THAN 1 1/4 INCHES ( 31.8 MM) PAST THE FACE
<br />OF THE RISER BELOW. RISERS SHALL BE SLOPED OR THE UNDERSIDE OF THE NOSING SHALL HAVE
<br />AN ANGLE NOT MORE 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
<br />CONTAINING MULTIFAMILY DWELLING UNITS SHALL HAVE THE UPPER APPROACH AND ALL TREADS
<br />MARKED BY A STRIPE PROVIDING CLEAR VISUAL CONTRAST.
<br />THE STRIPE SHALL BE A MINIMUM OF 2 INCHES WIDE TO A MAXIMUM OF 4 INCHES WIDE
<br />PLACED PARALLEL TO, AND NOT MORE THAN 1 INCH FROM, THE NOSE OF THE STEP OR UPPER
<br />APPROACH. THE STRIPE SHALL EXTEND THE FULL WIDTH OF THE STEP OR UPPER APPROACH
<br />AND SHALL BE OF MATERIAL THAT IS AT LEAST AS SLIP RESISTANT AS THE OTHER TREADS OF
<br />THE STAIR. A PAINTED STRIPE SHALL BE ACCEPTABLE. GROOVES SHALL NOT BE USED TO
<br />SATISFY THIS REQUIREMENT.
<br />1115A.6 EXTERIOR STAIRWAY HANDRAILS.
<br />1115A.6.1 WHERE REQUIRED.STAIRWAYS SHALL HAVE HANDRAILS ON EACH SIDE.
<br />INTERMEDIATE HANDRAILS SHALL BE LOCATED EQUIDISTANT FROM THE SIDES OF THE
<br />STAIRWAY AND COMPLY WITH SECTION 1012.9.
<br />EXCEPTION: STAIRWAYS SERVING AN INDIVIDUAL DWELLING UNIT MAY HAVE ONE
<br />HANDRAIL, EXCEPT THAT STAIRWAYS OPEN ON ONE OR BOTH SIDES SHALL HAVE
<br />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
<br />ABOVE THE NOSING OF THE TREADS.
<br />1115A.6.2.2 HANDRAIL CONTINUITY.HANDRAILS ON ALL STAIRWAYS SHALL BE
<br />CONTINUOUS WITHIN THE FULL LENGTH OF EACH STAIR FLIGHT. INSIDE HANDRAILS ON
<br />SWITCHBACK OR DOGLEG STAIRS SHALL BE CONTINUOUS BETWEEN STAIR FLIGHTS.
<br />1115A.6.2.3 HANDRAIL EXTENSIONS.AT THE TOP OF STAIR FLIGHTS, HANDRAILS SHALL
<br />EXTEND A MINIMUM OF 12 INCHES HORIZONTALLY ABOVE LANDING, BEGINNING DIRECTLY
<br />ABOVE THE FIRST RISER NOSING. EXTENSIONS SHALL RETURN TO A WALL, GUARD, OR
<br />THE WALKING SURFACE, OR SHALL BE CONTINUOUS TO THE HANDRAIL OF AN ADJACENT
<br />STAIR FLIGHT. AT THE BOTTOM OF STAIR FLIGHTS, HANDRAILS SHALL EXTEND AT THE
<br />SLOPE OF THE STAIR FLIGHT FOR A DISTANCE EQUAL TO ONE TREAD DEPTH BEYOND
<br />THE LAST RISER NOSING. SUCH EXTENSION SHALL CONTINUE WITH 12 INCHES MINIMUM
<br />HORIZONTAL EXTENSION, SHALL BE CONTINUOUS TO THE HANDRAIL OF AN ADJACENT
<br />STAIR FLIGHT, OR SHALL RETURN TO A WALL, GUARD, OR THE WALKING SURFACE.
<br />HANDRAIL HORIZONTAL EXTENSIONS SHALL BE IN THE SAME DIRECTION AS THE STAIR
<br />FLIGHTS. (SEE FIGURES 11A-6A AND 11A-6E.)
<br />1115A.6.2.4 HANDRAIL PROJECTIONS.HANDRAILS PROJECTING FROM A WALL SHALL
<br />HAVE A SPACE OF 1-1/2 INCHES MINIMUM BETWEEN THE WALL AND THE HANDRAIL.
<br />HANDRAILS MAY BE LOCATED IN A RECESS IF THE RECESS IS A MAXIMUM OF 3 INCHES
<br />DEEP AND EXTENDS AT LEAST 18 INCHES ABOVE THE TOP OF THE RAIL. ANY WALL OR
<br />OTHER SURFACE ADJACENT TO THE HANDRAIL SHALL BE FREE OF SHARP OR ABRASIVE
<br />ELEMENTS. (SEE FIGURE 11A-6B).
<br />1115A.6.2.5 HANDRAIL GRIPPING SURFACES. HANDRAIL GRIPPING SURFACES SHALL BE
<br />CONTINUOUS ALONG THEIR LENGTH, AND SHALL NOT BE OBSTRUCTED ALONG THEIR
<br />TOPS OR SIDES. THE BOTTOMS OF HANDRAIL GRIPPING SURFACES SHALL BOT BE
<br />OBSTRUCTED FOR MORE THAN 20 PERCENT OF THEIR LENGTH. WHEN PROVIDED,
<br />HORIZONTAL PROJECTIONS SHALL OCCUR 1 1/2 INCHES MINIMUM BELOW THE BOTTOM
<br />OF THE HANDRAIL GRIPPING SURFACE. THE DISTANCE BETW EEN HORIZONTAL
<br />PROJECTIONS AND THE BOTTOM OF THE GRIPPING SURFACE SHALL BE PERMITTED TO
<br />BE REDUCED BY 1/8 INCH FOR EACH 1/2 INCH OF ADDITIONAL HANDRAIL PERIMETER
<br />DIMENSION THAT EXCEEDS 4 INCHES.
<br />HANDRAIL GRIPPING SURFACES AND ANY SURFACES ADJACENT TO THEM SHALL BE
<br />FREE OF SHARP OR ABRASIVE ELEMENTS, AND SHALL HAVE ROUNDED EDGES.
<br />1115A.6.2.6 CROSS SECTION. HANDRAIL GRIPPING SURFACES SHALL COMPLY WITH THIS
<br />SECTION, OR THE SHAPE SHALL PROVIDE EQUIVALENT GRIPPING SURFACE.
<br />1. CIRCULAR CROSS SECTION. HANDRAIL GRIPPING SURFACES WITH A CIRCULAR
<br />CROSS SECTION SHALL NOT BE LESS THAN 1 1/4 INCHES NOR MORE THAN 2
<br />INCHES IN CROSS-SECTIONAL DIMENSION.
<br />2. NONCIRCULAR CROSS SECTION. HANDRAIL GRIPPING SURFACES WITH A
<br />NONCIRCULAR CROSS SECTION SHALL HAVE A PERIMETER DIMENSION OF 4
<br />INCHES MINIMUM AND 6 1/4 INCHES MAXIMUM, AND A CROSS-SECTION DIMENSION
<br />OF 2 1/4 INCHES MAXIMUM.
<br />1115A.6.2.7 FITTINGS. HANDRAILS SHALL NOT ROTATE WITHIN THEIR FITTINGS.
<br />SECTION 1116A HAZARDS ON ACCESSIBLE ROUTES
<br />1116A.1 WARNING CURBS.ABRUPT CHANGES IN LEVEL EXCEEDING 4 INCHES IN VERTICAL
<br />DIMENSION, SUCH AS CHANGES IN LEVEL AT PLANTERS OR FOUNTAINS LOCATED IN OR ADJACENT
<br />TO WALKS, SIDEWALKS OR OTHER PEDESTRIAN WAYS SHALL BE IDENTIFIED BY CURBS OR OTHER
<br />APPROVED BARRIERS PROJECTING AT LEAST 6 INCHES IN HEIGHT ABOVE THE WALK OR SIDEWALK
<br />SURFACE TO WARN 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
<br />ACCORDANCE WITH SECTION 1010.10.1.
<br />1116A.2 HEADROOM CLEARANCE. WALKS, PEDESTRIAN WAYS, AND OTHER CIRCULATION SPACES,
<br />WHICH ARE PART OF THE REQUIRED EGRESS SYSTEM, SHALL HAVE A MINIMUM CLEAR HEADROOM
<br />AS REQUIRED IN SECTION 1003.2. OTHER WALKS, PEDESTRIAN WAYS, AND CIRCULATION SPACES
<br />SHALL HAVE A MINIMUM CLEAR HEADROOM OF 80 INCHES. IF THE VERTICAL CLEARANCE OF AN
<br />AREA ADJOINING AN ACCESSIBLE ROUTE IS REDUCED TO LESS THAN 80 INCHES NOMINAL
<br />DIMENSION, A GUARDRAIL OR OTHER BARRIER HAVING ITS LEADING EDGE AT OR BELOW 27 INCHES
<br />ABOVE THE FINISHED FLOOR SHALL BE PROVIDED.
<br />EXCEPTION:DOORWAYS AND ARCHWAYS LESS THAN 24 INCHES IN DEPTH MAY HAVE A
<br />MINIMUM CLEAR HEADROOM OF 80 INCHES NOMINAL. (SEE SECTION 1126A.)
<br />1116A.3 OVERHANGING OBSTRUCTIONS.ANY OBSTRUCTION THAT OVERHANGS A PEDESTRIAN WAY
<br />SHALL BE A MINIMUM OF 80 INCHES ABOVE THE WALKING SURFACE AS MEASURED FROM THE
<br />BOTTOM OF THE OBSTRUCTION. (SEE FIGURE 11 A -1 B.) WHERE A GUY SUPPORT IS USED PARALLEL
<br />TO A PATH OF TRAVEL, INCLUDING, BUT NOT LIMITED TO, SIDEWALKS, A GUY BRACE, SIDEWALK GUY
<br />OR SIMILAR DEVICE SHALL BE USED TO PREVENT AN OVERHANGING OBSTRUCTION (SEE SECTION
<br />1116A.2 FOR REQUIRED HEADROOM CLEARANCE).
<br />EXCEPTION: DOOR CLOSERS AND DOOR STOPS SHALL BE PERMITTED TO BE 78 INCHES
<br />MINIMUM ABOVE THE FINISH FLOOR OR GROUND.
<br />1116A.4 FREE-STANDING SIGNS. WHEREVER SIGNS MOUNTED ON POSTS OR PYLONS PROTRUDE
<br />FROM THE POST OR PYLONS AND THE BOTTOM EDGE OF THE SIGN IS LESS THAN 80 INCHES ABOVE
<br />THE FINISHED FLOOR OR GROUND LEVEL, THE EDGES OF SUCH SIGNS SHALL BE ROUNDED OR
<br />EASED AND THE CORNERS SHALL HAVE A MINIMUM RADIUS OF 0.125 INCHES (SEE SECTION 1116A.2
<br />FOR REQUIRED HEADROOM CLEARANCE).
<br />1116A.5 DETECTABLE WARNINGS AT VEHICULAR AREAS. WHEN A WALK CROSSES OR ADJOINS A
<br />VEHICULAR WAY, THE WALKING SURFACE SHALL BE SEPARATED FROM THE VEHICULAR AREA BY
<br />CURBS, RAILINGS OR OTHER ELEMENTS, OR THE BOUNDARY BETWEEN THE PEDESTRIAN AREAS
<br />AND THE VEHICULAR AREAS SHALL BE DEFINED BY A CONTINUOUS DETECTABLE WARNING 36
<br />INCHES WIDE MINIMUM, COMPLYING WITH CHAPTER 11B, SECTION 11B-705.
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