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SIDEWALK ::.:::: _J <(
DETECTABLE WARNING SURFACE-SEE DETAILS ON SHEET 6, TYPICAL FOR ALL CASES
PL
GROOVED BORDERS. TYPICAL FOR ALL CASES
(SEE NOTE 3)
LANDING AREA 2% MAX SLOPE
EACH WAY
~ 0 en w en o oil:: > (.) ~ 0 a.. w LL. ::.:::: -a:: <( ~
0 MARKED CROSS:ALK IF PROVIDED
CLEAR SPACE OUTSIDE ACTIVE VEHICLE TRAVEL LANES (SEE SHEET 3)
CASE A TYPICAL TWO-RAMP CORNER INSTALLATION
(SEE NOTE 1) USE DETAIL 1, DETAIL 2, DETAIL 3 OR DETAIL 4 ON SHEET 4 AS APPROPRIATE
48" MIN WITH PROFILE PER 2% MAX SLOPE SECTION D-D
':£.
w en _J w (.) z m~ > _J
ww >> t- ~ (.) t<(
EACH WAY ON SHEET 5
I 48" I I
I
-------,
y
RETAINING CURB
CASEC UNIDIRECTIONAL RAMP
0 N
I
':£. ::.:::: 0 _J
l.O <(
~ 0 w 0 en
PL
LANDING AREA 2% MAX SLOPE
EACH WAY
RETAINING CURB AS REQUIRED AT EDGE OF SIDEWALK
O" CH O"CH --~
48" MIN 4' MIN
r - - - - - - - - - - -·rnnt-----~-----~----~- - - - - - - - - - --, I
: LANDI~ AREA2%
MAX SLOPE (HWAY .......
H CH
1.5% -2%
00000000000000 00000000000000
y 00000000000000 y i-----io oo o o o oo o oo o o o i----~
0 0 0000000 0 0000 000000 0 00 0 0000
CASEE FOR USE AT MID-BLOCKS
(SEE NOTE 12)
~DING AREA2%
MAX SLOPE
EACH/
FRONT EDGE OF SW
::.:::: _J <(
~ w 0 Ci5
BUREAU OF ENGINEERING DEPARTMENT OF PUBLIC WORKS
PREPARED
HAMID MADANI. P.E. BUREAU OF ENGINEERING
CHECKED
RAFFI MASIABKI. P .E.
CURB RAMPS SUBMITTED
'!<. ~ R 11.J.J 12./1~/1' KENNETH R. REDD, P.E. DATE DEPUTY CITY ENGINEER
APPROVED
DATE
PL
PL
LANDING AREA 2% MAX SLOPE
EACH WAY
ECR
MARKED CROSSWALK .1 IF PROVIDED
CASE B
CLEAR SPACE OUTSIDE ACTIVE VEHICLE TRAVEL LANES (SEE SHEET 3)
(SEE NOTE 1) USE DETAIL 1 ON SHEET 4
r--1
I
PL
---- - ----~ LANDINGAREA
':£. 0 :o s ~ 2% MAX SLOPE
~ EACH WAY N
x
>-0 00 0 000000 0 000 00 0 0 0 00 0 00 00 0 0 0 0 00 0 000 0 00000 000000 0 0000000 000000 0 0000000 00 0 0000000 0 000 000000000000 00
w
CASED
x
FRONT EDGE OF SW
FOR USE AT MID-BLOCKS USE DETAIL 1, DETAIL 3, OR DETAIL 4 ON SHEET 4 AS APPROPRIATE
1 REQUIRED RETAINING CURB AS REQUIRED AT
5'MIN EDGE OF SIDEWALK J- -1
5%MAX ':£. 5%MAX 0
':£. N ':£. 0 0.5%-2% I N 0
*- N I I
~ l.O ~ 0 0 l.O 0 l.O 0 0
DODO >-DODO C!)
~ z 000 0000000000 t-DODD 000 en ::.:::: FRONT 000 x a::
DODD 000 <( EDGE OF 000 w a.. D D D 00 0 SW
000
SEE NOTE 15
CASEF FOR USE AT MID-BLOCKS USE DETAIL 2 AND DETAIL 5
ON SHEET 4 AS APPROPRIATE
NOT TO SCALE
CITY OF LOS ANGELES
STANDARD PLAN
S-442-4 SUPERSEDES REFERENCES
B-4571
VAULT INDEX NUMBER:
SHEET 1 OF 8 SHEETS
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
CASE G
5
%
5
%
5
C
5
C
PLAN
ISOMETRIC
TYPICAL JOINTS
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
L
EC
R
BCR
C
C
B
C
R
E
C
R
CLEAR SPACE AND BOTTOM COUNTER SLOPE
M
I
N
M
I
N
5
%
M
A
X
8
.3
3
%
M
A
X
2
%
M
A
X
PLAN
-
A
1
-
A
2
-
A1
WHEN DRAINAGE IS NOT A CONCERN
-
A2
SECTION A1
SECTION A2
A
3
A
3
-
A3
SECTION A3
PLAN
CASE B
CLEAR SPACE AND BOTTOM COUNTER SLOPE
CASES A, D, E, F AND G
-
-
AS DETERMINED BY THE ENGINEER
WHEN DRAINAGE IS A CONCERN
AS DETERMINED BY THE ENGINEER
RADIAL
RADIAL
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
FLOWLINE
CURB LINE
DETAIL 5
R
=
1
'
ELEVATION
8.3
3%
M
AX
DETAIL 1
DETAIL 2
DETAIL 3
0.5
%-2
%
DETAIL 4
PLAN
DETAIL 6
5
A
5
B
5
A
5
B
5
A
5
B
5
A
5
B
0.5
%-2
%
0.5
%-2
%
0.5
%-2
%
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
5%
MA
X
8.3
3%
MA
X
0.5%-2%
SECTION A
SECTION B
SECTION C
5%
MA
X
8.3
3%
MA
X
0.5%-2%
ROUNDED EDGE
TOP OF RAMP
ROUNDED EDGE
TOP OF RAMP
5%
MA
X
1.5%-2%
FULLY DEPRESSED
PARTIALLY DEPRESSED
PL
PL
PL
SECTION D
PROFILE
8.3
3%
MA
X
5%
MA
X
4
6
4
6
2% MAX
1-4
A
1-4
B
1-2
C
1
D
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
TYPICAL SECTION T-T
RAISED TRUNCATED DOME
PATTERN (IN-LINE)
DETECTABLE WARNING SURFACE
RAISED TRUNCATED DOME
T T
GROOVED BORDER DETAILDWS EDGE DISTANCE
(DWS)
C
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
NOTES CONT'
9. GUTTER SHALL HAVE A MAXIMUM OF 5% SLOPE FROM FLOWLINE WITHIN "W" AREA WITH "X" AREA (IF PROVIDED) TO BE USED FOR TRANSITION TO CITY STANDARD CURB AND GUTIER SLOPES.
10. THE RETAINING CURB FOR SECTIONS B AND C (SHEET 5) MAY BE OMITTED IF THE AREA IN BACK OF THE DEPRESSED SIDEWALK IS REGRADED (MAX 1 V:3H) TO JOIN THE SIDEWALK.
11. REQUIRED DESIGN INFORMATION FOR EACH CURB RAMP: CASE, DETAIL, SECTION, AND PROFILE (IF APPLICABLE), X DIMENSION (IF APPLICABLE), Y DIMENSION, Y SLOPE, DESIGN STREET CURB HEIGHT, AND DESIGN FLOW LINE ELEVATION AT CENTER OF RAMP. FOR CASE E, THE REQUIRED FLOWLINE ELEVATION IS AT CENTER OF CLEAR SPACE.
12. CASE E AND G MAY BE USED FOR NARROW SIDEWALK OF FIVE (5) TO EIGHT (8) FEET.
13. PULL BOXES, METER BOXES, MAINTENANCE HOLE COVERS, VAULT LIDS, POWER POLES, ETC. SHALL NOT BE CONSTRUCTED WITHIN ANY PART OF CURB RAMPS.
14. CURB RAMPS SHOULD NOT BE CONSTRUCTED IN PUBLIC RIGHT OF WAYS HAVING STREET BORDERS OF LESS THAN FIVE (5) FEET UNLESS AN UNREASONABLE HARDSHIP EXISTS AS VERIFIED AND APPROVED BY THE ENGINEER.
15 WHERE THERE ARE EXISTING CATCH BASINS, MAINTENANCE HOLES, OR ANY OTHER UTILITIES PREVENTING CONSTRUCTIONS OF A FLARE, A NON-WALKABLE SURFACE OR BARRIER SUCH AS LANDSCAPING, PREVENTING DIRECT PEDESTRIAN ACCESS TO THE SIDE OF THE RAMP SHALL BE CONSTRUCTED. ALL NON-WALKABLE SURFACES OR BARRIERS DESIGNED WILL REQUIRE ENGINEER'S APPROVAL.
16. FOR DISCRETIONARY PROJECTS REQUIRING PUBLIC WORKS IMPROVEMENTS FROM THE DEPARTMENT OF CITY PLANNING OR COUNCIL OFFICE, PERMITTEE SHALL PROVIDE ADEQUATE DEDICATION OR EASEMENT TO PROVIDE CURB RAMPS USING SECTION A (SHEET 5). SECTIONS B OR C (SHEET 5) OR USE OF EXCEPTIONS ALLOWED ON SPECIAL ORDERS ARE NOT PERMITIED.
FOR CAPITAL IMPROVEMENT PROJECTS; ADEQUATE RIGHT-OF-WAY SHALL BE ACQUIRED TO PROVIDE CURB RAMPS USING SECTION A ON SHEET 5 UNLESS ACQUISITION OF SUCH RIGHT OF WAY IS NOT POSSIBLE OR FINANCIALLY INFEASIBLE.
17. TEMPORARY CONSTRUCTION EASEMENT OR RIGHT OF ENTRY SHALL BE OBTAINED FROM AFFECTED PROPERTY OWNERS PRIOR TO PLACING BACK OF SIDEWALK OR RETAINING CURB/WALL ALONG PROPERTY LINES.
STANDARD PLAN NO. S-442-4 VAULT INDEX NUMBER SHEET 8 OF 8 SHEETS
BUREAU OF ENGINEERING
OFFICIAL RECORD
B-4752
