CURB INLET TOP TYPE 9 1 214

#5 Bars Top #6 Bars
Di
r
ec
t
i
on
Pr
Of
ed
om
i
n
an
tF
l
ow
#4 Bars Continuous
Bottom 12" Returns,
#4 Bar
Or 12" Returns
Each (Min.)
#4 Bars, 6" cc, Top & Bottom
(Same Below)
#4 Bar
4x4-W4.0xW4.0
Opening
Predominant Flow
Centered
A
36"
Direction Of
#5 Bars, With Hooks.
Reinforcement,
6" cc, Bottom
Bottom
A
B
B
#4 Bars, 12" cc
Center Of Opening
Center of Opening
Location Reference
Welded Wire
36"
Face Of Curb
24"
Or 4x4-W4.0 x W4.0
Location Reference
Welded Wire Reinforcement
6"
24"
40" x 20"
TOP VIEW
3
8"
Top & Bottom
6"
(Three Sides)
1
2"
(Frame)
2 #4 Bars
Closed Stirrups 8" cc
6"
18
(Curb Box)
7
17 8"
6
Bottom, L=18"
Adjustable Curb Box
3
3
2"
TOP VIEW
TOP VIEW
(6" to 9" Curb Height)
1
734"
3
3
2"
#5 Bars
4"
6"
2"
#4 Bar (12" Legs)
#5 Bar Top &
1
7151 "
(Grate)
#5 Bar
#4 Bars (Or Welded
#6 Bar
24" (–
1
16")
1
2"
3
31"
37"
Welded Wire
Wire Reinforcement)
8"
36"
3
8"
1
2"
5
8"
33"
Reinforcement
#4 Bar
43"
TRANSVERSE SECTION
Optional Key
Optional Key
6" Concrete
(In Lieu Of Dowels)
LONGITUDINAL SECTION
3’-6" Or 4’-0"
(In Lieu Of Dowels)
3’-6"
8" Brick
6"
FRAME AND GRATE
(Bottom Or Riser)
11
16"
Bottom Lug (2 Corners)
SECTION AA
SECTION BB
(SEE NOTE 6 BELOW)
(SEE NOTE 6 BELOW)
TOP SLABS
Approximate Debris Free Capacity
134"
(
CFS)
2"
(0.02 Pavement Cross Slope)
GENERAL NOTES
d
ra
G
2"
of throated Curb Inlets Types 1 through 6. The typical application is on curb returns to city streets. The inlet grate
e
er
ad
t
t
Gr
Gu
r
e
%
t
0
t
4.
Gu
5%
0.
2.0
1.0
5
8"
1. This inlet is primarily intended for locations with light to moderate flows where right of way does not permit the use
e
3.0
Q
2"
Total
2"
5
8"
is suitable for pedestrian and bicycle traffic.
2. This inlet to be located outside of curb ramp area in vertical faced curbs such as Curb and Gutter Type F. Grate
shall be oriented with vanes directed toward Predominant flow.
0
100 90
80
Q
Intake
15
16"
70
50
60
/Q
Total
3. For structure bottoms see Index No. 200. For supplemental details see Index No. 201.
(%)
2
5
16"
EFFICIENCY CURVE
TOP VIEW
1
4"
4. All steel in slab tops shall have 1
minimum cover unless otherwise shown. Tops shall be either cast-in-place or
precast concrete.
1
C:
\d\projects\standards\roadway\00200-s\00214-01.
dgn
1
1
4"
1
118"
5
16"
(Bottom Or Riser)
5. For Alternate B applications, top slab openings shall be placed such that 2 edges of inlet frame will be located
directly above bottom wall or riser wall.
12 Equal Spaces 2
1
4"
3
R
R
5
16"
See Detail B
5
8"
4"
R
6/24/2013
SECTION
DETAIL A
6. When used on a structure with dimensions larger than those detailed above and risers are not applied, the top slab
shall be constructed using Index No. 200 with the slab opening adjusted to 24"x36". The "Special Top Slab" on Index
No. 200 is not permitted.
7. Frame may be adjusted with one to six courses of brick.
1
2"
See Detail A
31
178"
5
8"
13
16"
118"
178"
1
8"
1"
3512"
178"
4:
38:
17 PM
sm 970re
5
8"
8. Vaned grates with approximately equal openings will be permitted that satisfy AASHTO HL-93 loading. Grates shall be
reversible, right or left.
DETAIL B
LAST
REVISION
07/01/13
REVISIO N
GRATE DETAIL
DESCRIPTION:
INDEX
FDOT 2014
DESIGN STANDARDS
CURB INLET TOP TYPE 9
NO.
214
SHEET
NO.
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