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// CODE SNIPPET

Section 1114A Exterior Ramps and Landings on Accessible Routes

Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes
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1114A.1 Width

The clear width of ramps shall be consistent with the requirements in Chapter 10 of this code, but in no case shall be less than 48 inches (1219 mm)

Handrails may project into the required clear width of the ramp at each side 31/2 inches (89 mm) maximum at the handrail height. Curbs, wheel guides and/or appurtenances shall not project into the required clear width of ramps.

Exception: The clear width of ramps serving accessible entrances to covered multifamily dwellings with an occupant load of 10 or less may be 36 inches (914 mm) minimum between handrails.

Note: See Section 1114A.6.2.4 for handrail projections.

1114A.2 Slope

The maximum slope of ramps on an accessible route shall be no greater than 1 unit vertical in 12 units horizontal (8.33-percent slope). Transitions from ramps to walks, gutters or streets shall be flush and free of abrupt changes.

Exception: Ramps serving decks, patios or balconies as specified in Section 1132A.4.

1114A.2.1 Cross Slope

The cross slope of ramp surfaces shall be no greater than 1 unit vertical in 48 units horizontal (2.083-percent slope).

1114A.3 Outdoor Ramps

Outdoor ramps, ramp landings and their approaches shall be designed so that water will not accumulate on the walking surface.

1114A.4 Landings

Ramp landings shall be level and comply with this section.

1114A.4.1 Location of Landings

Landings shall be provided at the top and bottom of each ramp. Intermediate landings shall be provided at intervals not exceeding 30 inches (762 mm) of vertical rise and at each change of direction. Landings are not considered in determining the maximum horizontal distance of each ramp.

Note: Examples of ramp dimensions are:

SLOPE (Grading %)MAXIMUM RISE (Inches)MAXIMUM HORIZONTAL PROJECTION (Feet)
(× 25.4 for mm)(× 304.8) for mm)
1:12 (8.33%)3030
1:15 (6.67%)3037.5
1:16 (6.25%)3040
1:20 (5.00%)3050

1114A.4.2 Size of Top Landings

Top landings shall not be less than 60 inches (1524 mm) wide. Top landings shall have a minimum length of not less than 60 inches (1524 mm) in the direction of the ramp run. See Section 1126A.3 for maneuvering clearances at doors.

1114A.4.3 Size of Bottom and Intermediate Landings

The minimum width of bottom and intermediate landings shall not be less than the width of the ramp.

Intermediate landings shall have a length in the direction of ramp run of not less than 60 inches (1524 mm). Bottom landings shall have a length in the direction of ramp run of not less than 72 inches (1829 mm).

1114A.4.4 Encroachment of Doors

Doors in any position shall not reduce the minimum dimension of the landing to less than 42 inches (1067 mm) and shall not reduce the required width by more than 3 inches (76.2 mm) when fully open. (See Figure 11A-6D).

1114A.4.5 Strike Edge Extension

The width of the landing shall comply with Section 1126A.3 for strike edge extension and maneuvering clearance at doors.

Where doorways are located adjacent to a ramp landing, maneuvering clearance required by Section 1126A.3 shall be permitted to overlap the required landing area.

1114A.4.6 Change of Direction

Intermediate landings at a change of direction shall be sized to provide 60 inches turning space complying with Section 1138A.1.3. Intermediate landings at a change of direction in excess of 30 degrees shall have a length in the direction of ramp run of not less than 72 inches (1829 mm). (See Figures 11A-6C and 11A-6D.)

1114A.5 Ramp Height

Ramps more than 30 inches (762 mm) above the adjacent floor or ground and open on one or both sides shall be provided with guardrails as required by Section 1013. Guardrails shall be continuous from the top of the ramp to the bottom of the ramp.

1114A.6 Ramp Handrails

1114A.6.1 Where Required

Handrails shall be provided at each side of ramps when the slope exceeds 1 unit vertical in 20 units horizontal (5-percent slope).

Exceptions:

  1. Curb ramps.
  2. Ramps that serve an individual dwelling unit may have one handrail, except that ramps open on one or both sides shall have handrails provided on the open side or sides.
  3. Ramps at exterior door landings with less than 6 inches (152 mm) rise or less than 72 inches (1829 mm) in length.

1114A.6.2 Handrail Configuration

1114A.6.2.1 Handrail Heights

The top of handrails shall be 34 to 38 inches (864 to 965 mm) above the ramp surface.

1114A.6.2.2 Handrail Continuity

Handrails on all ramps shall be continuous within the full length of each ramp run. Inside handrails on switchback or dogleg ramps shall be continuous between ramp runs.

1114A.6.2.3 Handrail Extensions

Handrails shall extend a minimum of 12 inches (305 mm) horizontally above landings, beyond the top and bottom of the ramp runs. Extensions shall return to a wall, guard, or the walking surface, or shall be continuous to the handrail of an adjacent ramp run. Handrail extensions shall be in the same direction as the ramp runs. (See Figure 11A-5A.)

1114A.6.2.4 Handrail Projections

Handrails projecting from a wall shall have a space of 11/2 inches (38.1 mm) minimum between the wall and the handrail.

Handrails may be located in a recess if the recess is a maximum of 3 inches (76.2 mm) deep and extends at least 18 inches (457 mm) above the top of the rail. Any wall or other surface adjacent to the handrail shall be free of sharp or abrasive elements. (See Figure 11A-6B.)

1114A.6.2.5 Handrail Gripping Surfaces

Handrail gripping surfaces shall be continuous along their length, and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. When provided, horizontal projections shall occur 11/2 inches (38 mm) minimum below the bottom of the handrail gripping surface. The distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by 1/8 inch (3.2 mm) for each 1/2 inch (12.7 mm) of additional handrail perimeter dimension that exceeds 4 inches (102 mm).

Handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or abrasive elements, and shall have rounded edges.

Exception: Where handrails are provided along walking surfaces with slopes not steeper than 1 unit vertical in 20 units horizontal, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.

1114A.6.2.6 Cross Section

Handrail gripping surfaces shall comply with this section, or the shape shall provide equivalent gripping surface.

  1. Circular cross section. The handrail gripping surfaces with a circular cross section shall not be less than 11/4 inches (31.75 mm) nor more than 2 inches (50.8 mm) in cross-sectional dimension.
  2. Noncircular cross section. Handrail gripping surfaces with a noncircular cross section shall have a perimeter dimension of 4 inches (102 mm) minimum and 61/4 inches (159 mm) maximum, and a cross-section dimension of 21/4 inches (57 mm) maximum.

1114A.6.2.7 Fittings

Handrails shall not rotate within their fittings.

1114A.7 Edge Protection

Ramps and ramp landings shall be provided with a continuous and uninterrupted barrier on each side along the entire length in compliance with Sections 1010.10 and 1010.10.1. (See Figure 11A-5A.)

Note: Extended floors or ground surfaces, as permitted in Section 1010.10.2, are not allowed for ramps and ramp landings part of an accessible route.

Related Code Sections


Section 1114A Housing Accessibility, Exterior Ramps and Landings on Accessible Routes
or ground surfaces, as permitted in Section 1010.10.2, are not allowed for ramps and ramp landings part of an accessible route ...
Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes
1114A.2 Housing Accessibility, Slope
The maximum slope of ramps on an accessible route shall be no greater than 1 unit vertical in 12 units horizontal (8.33-percent slope). Transitions ...
Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes > 1114A.2 Slope
1114A.1 Housing Accessibility, Width
guides and/or appurtenances shall not project into the required clear width of ramps. Exception: The clear width of ramps serving accessible entrances ...
Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes > 1114A.1 Width
1114A.4.1 Housing Accessibility, Location of Landings
Landings shall be provided at the top and bottom of each ramp. Intermediate landings shall be provided at intervals not exceeding 30 inches (762 mm ...
Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes > 1114A.4 Landings > 1114A.4.1 Location of Landings
1114A.4.3 Housing Accessibility, Size of Bottom and Intermediate Landings
The minimum width of bottom and intermediate landings shall not be less than the width of the ramp. Intermediate landings shall have a length ...
Los Angeles Building Code > 11A Housing Accessibility > 1114A Exterior Ramps and Landings on Accessible Routes > 1114A.4 Landings > 1114A.4.3 Size of Bottom and Intermediate Landings
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