Document 2799154

315^
45^
Left Front Wing
=
l
90^
Valid Angle
GENERAL NOTES
0^
STATIONING
DIRECTION OF
0^
45^
315^
DESIGN SPECIFICATIONS:
A.A.S.H.T.O. 1996.
Right Front Wing
LOADING:
=
l
HS20-44, Modified for Military Loading as Required or HS25, see Structures Design
NOTE:
Guidelines.
Designs for box culverts under this Index are to be produced
Valid Angle
=
l=
l
only by computer analysis, utilizing the program named PSTDN55.
==
ll
SURFACE FINISH: The Class Surface finish for all concrete surfaces shall be a general
surface finish.
Designs under this Index are to be limited to the live loads and
dimensional restraints shown in the General Notes of this Index
and to the fill on the barrel(s) as shown in the roadway plans.
SKEWED CONSTRUCTION JOINTS:
225^
reinforcing steel, and the slabs may be cut provided that the
supporting construction loads that exceed the above loadings.
=
l Within these limits the top surface of the
135^
50^
cut reinforcing steel extends beyond the construction joint
enough for splices to be made in accordance with the table
wingwalls shall be level.
50^
Construction joints in barrels of culverts with skewed
wingwalls may be placed parallel to the headwalls and the
It is the construction Contractors responsibility to provide for
(lower right) this sheet.
==
ll
The cost of construction joints
shall be at the expense of the contractor.
Within these limits the top surface of the
wingwalls shall be sloped.
CULVERT EXTENTIONS:
| Culvert
For cut backs and ties into existing concrete box culverts see
Index No. 280.
Headwall Valid Angles
Headwall Valid Angles
(See Notation Right)
NOTE: Headwalls with skew angles between 51^ and 129^ require special
design authorization. Other design options should be considered.
* REINFORCING BAR SCHEDULE:
Contact the District Drainage Engineer to obtain authorization.
315^
A.
130^
130^
When the depth is less than or equal to 2’, Bars C2 are utilized in the bottom
of the top slab.
In all other cases, Bars C2 are replaced with Bars C1 spaced
at 18" on centers.
45^
B. When the skew angle for a headwall equals 0 degrees plus or minus 11
degrees the respective S Bars (S2 or S3) will not be utilized.
Valid Angle
l=
=
l
l
=
l=
Valid Angle
90^
NOTE: All headwall and wingwall skew angles are
C. When the barrel height is less than 6’, Bars B2 will be eliminated as shown
in Detail J.
90^
clockwise from the direction of stationing,
measured in degrees from a line perpendicular
=
l
Left Back Wing
Right Back Wing
D. If the span is less than 5’, Bars A1 and A2 will be Type ~~ Bars.
=
l
to the centerline of the culvert.
225^
135^
E. The portions of Bars "N" that extend through construction joints into wingwalls
135^
above footings shall be given one coat of approved zinc rich paint and
225^
180^
shall be encased in approved capped plastic (PVC) pipes filled with
180^
approved durable lubricant or cut back asphalt.
PLAN
The length and inside
diameter of the plastic pipe shall be approximately 1/4 " larger than those
HEADWALL AND WINGWALL ALIGNMENT
of the bar.
F
O
A1
N
IO
N
E
(Skew Left Shown)
IO
IR
90^
F. For culvert extensions Bar C1 is redesignated Bar C3 in the bottom slab.
G
IN
T
C
Culvert Skew
T
D
A
T
S
For Headwall Skew And
Height less than 6 feet.
Wingwall Skews See
Detail Upper Left
For Headwall Skew And
| Culvert
Wingwall Skews See
Detail Upper Left
SKETCH "A"
B
A2
DETAIL "H"
CULVERT ALIGNMENT
DETAIL "J"
TYPE 1 BAR
| Exterior Barrel wall
See Detail "H"
Front Tip Height
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Limits of sloped top surface
Construction Joint in
Footing permitted.
Front Tip
B
B
TYPE 10 BAR
TYPE 11 BAR
TABLE OF MINIMUM BAR SPLICE LENGTHS
Construction Joint
BAR SIZE
SPLICE
BAR SIZE
#4
1’-10"
#8
SPLICE
4’-8"
#5
2’-4"
#9
5’-3"
Front Tip Height
#6
2’-9"
#10
5’-10"
1’-6" Min.
#7
4’-0"
#11
6’-6"
(See Detail B)
Front Tip
Wall Height
Bars K
Bars F or J
See Detail "G"
in
NOTE: Cut the vertical bars F as required for the longest bar and use the
remainder for the shortest bar in the wingwall. The vertical bars J
and the horizontal bars K shall be constructed likewise. The lengths
NOTE: Construction joints in wingwalls and footings are located as
L
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W
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C
C
DETAIL "G"
D
NOTE: For Culvert Skew See Roadway Plans.
follows; Non-skewed wingwalls are located adjacent to the
shown in the reinforcing steel bar schedule for bars F, J and K
require cutting for sloped top wingwalls only.
exterior face of the exterior wall, when the | of wingwall
and | of the exterior barrel wall results in an acute angle
see Left Front Wingwall above and when the angle is obtuse
END ELEVATION OF CULVERT
see Left Back Wingwall above.
PART PLAN SHOWING WINGWALLS AND
THE LOCATION OF CONSTRUCTION JOINTS
2006 FDOT Design Standards
CONCRETE BOX CULVERT
CULVERT DETAILS
Last
Revision
Sheet No.
00
1 of 5
Index No.
290
Length at | of Culvert
F
A100(Bottom of Top Slab)
O
Normal Space
N
G
Normal Space
IO IN
N
IO
T
T
See Detail "F"
C
E
IR
D
A1(Top Corner of Barrel)
A
T
S
B2 Exterior Face &B1 Interior Face
A2 (Bottom corner of Barrel)
Footing Width
L(Top of Footing)
FK
FK
S2 at 5" ctrs.(Bottom of
Top Slab)
(See Barrel Cross Section)
Top of Wingwall
*
A101 etc.(Bottom of Top Slab)
A100
A101
G1(Top of
Toe
M
R(Top of Footing)
F(Interior Face)
Headwall)
A201 etc.(Top of Bottom Slab)
A100
A151 etc. (Bott. of Top Slab)
A151
| Culvert
A251 etc. (Top of Bottom Slab)
A200
A251
A1(Top corner of Barrel)
See Detail "E"
J(Exterior Face)
* S3
B2 Exterior Face
A200
A201
at 5"
ctrs
(Top of Bottom Slab)
B1 Interior Face
PART PLAN AT END OF CULVERT
Slab Reinforcing Steel
within these limits
apply for the skewed
portion of culvert slabs
when the left Headwall
Total Wingwall Length
Wingwall Footing
Width
2’-0" Wall Height
2’-0" (Typ.)
Bars N (Typ.)
Normal Space
Normal Space
A200(Top of Bottom Slab)
Slab Reinforcing Steel within these limits
apply for nonskewed culverts.
is skewed.
See Detail "B"
Also the nonskewed portion of culverts
Also the skewed portion of slabs at both ends of
culverts when the left and right Headwalls are skewed
the same.
1.5
1.0
A2(Bottom Corner of Barrel)
Also the skewed portion of slabs at
the right end of culverts when the left
and right Headwalls are both skewed but
with one or two skewed Headwalls.
PART PLAN BOTTOM SLAB
not the same.
PART PLAN TOP SLAB
Slope of Backfill
Slab Reinforcing Steel within these
limits apply for the skewed portion
of culvert slab when the right Headwall
only is skewed.
A
A
Center of Traffic Lanes
X
1’-0" (Typ.)
1
Side Slope X:1
See Detail "D"
A
G2
C
A
1’-3"
1’-0"
Wingwall only.
G1 Or G2
"
(Typ.)
Vertical face of
A
B1~Interior Face
Construction Joint
(See Art. 400-7.16)
(Exterior Wall)
A
6
"
1
/
2
6
C1~Interior Face
B2~Exterior Face
P
Bar Space
(9" Max.)
(Exterior Wall)
A
C
6"
A
50 Min.
Construction Joint
*S2
A
P
45^
*S3
A
V-Groove at |
Construction Joint in
6"
A
2
A
1
A
*S3
150 Max.
A
A
*S2
Side Bevel
6"
Or S3
SECTION NORMAL TO CULVERT
SECTION C-C
DETAIL "B"
DETAIL "D"
DETAIL "F"
DETAIL "E"
Wingwall Thickness
A
A100
3" Cover
*
See Culvert Details and Reinforcing
A
A
Bar Schedule, Sheet 1 of 5
A
A1
2"
9" Max(Typ.)
NOTE:For Bars F,J,K,L and or FK
B1
3~Right Front
A
4~Right Back
K
Wall Cover
Span
C1
Construction Joint
A
*B2
A200
A
1’-6" (Max. spc.)
M
A
*C1
A
2’-0" A
A
L
(Typ)
Construction Joint
A2
A
FK
9" Max.
2" Min.
Toe Dimension
Heel Dimension
A
Footing Thickness
2~Left Back
3" Cover
A
Height
J
F
* C2 Top Slab only
in the Wingwalls, the subscripts
1 thru 4 apply as follows:
1~Left Front
6" Max.
Top Bevel
END ELEVATION
9"
A
A
Footing Width
A
6"
Depth Of Fill (Do Not use Upper
or Lower points in Normal or Superelevated
Roadway Sections unless so directed by
the Bureau Of Structures.)
See Detail "D"
A
NOTE: The location of the first bar from
SECTION THRU BARREL
the ends of the culvert shall not
be less than 3", but not greater
SECTION THRU WINGWALL
than one half the bar spacing.
2006 FDOT Design Standards
CONCRETE BOX CULVERT
SINGLE BARREL
Last
Revision
Sheet No.
00
2 of 5
Index No.
290
Length at | of Culvert
F
A300 & B300 Alternating (Top of Top Slab)
O
N
A100 (Bottom of Top Slab)
Normal Space
E
IR
D
* S2
C1(See Barrel Cross Section)
A301
A301 etc.(Top of Top Slab)
A300
A101 etc.(Bottom of Top Slab)
B300
Toe
F (Interior Face)
A201 etc.(Top of Bottom Slab)
R (Top of Footing)
A401 etc.(Bottom of Bottom Slab)
J (Exterior Face)
A201
A1 (Top Corner of Barrel)
See Detail "E"
PART PLAN AT END OF CULVERT
Bars N (Typ.)
A200
A351 etc.(Top of Top Slab)
A351
A151 etc. (Bott. of Top Slab)
B3 Each Face Staggered (Typ)
A451
B400
| Culvert
A400
A251
A251 etc. (Top of Bottom Slab)
A451 etc. (Bott. of Bott. Slab)
*S3
B2 Exterior Face
A100
at 5" ctrs
(Top of Bottom Slab)
B1 Interior Face
Normal Space
Total Wingwall Length
2.0(Typ.)
T
S
B2 Exterior Face &B1 Interior Face
G1 at 3" ctrs.(Top of Headwall)
M
A1(Top Corner of Barrel)
A
A2 (Bottom corner of Barrel)
Top of Wall
Footing Width
FK
Normal Space
at 5" ctrs (Bottom of Top Slab)
L (Top of Footing)
FK
G
IO IN
N
IO
T
T
C
See Detail "F"
Normal Space
See Detail "K"
See Detail "B"
A200(Top of Bottom Slab)
Wall Height
Wingwall
Footing Width
A400 & B400 Alternating(Bottom of Bottom Slab)
Slab Reinforcing Steel within these limits
apply for the skewed portion of culvert
slabs when the left Headwall is skewed,
1.5
1.0
Slab Reinforcing Steel
apply for nonskewed culverts,
Also the skewed portion of slabs at both
ends of culverts when the left and right
Headwalls are skewed the same.
Slab Reinforcing Steel within these
limits apply for the skewed portion
of culvert slabs when the right headwall
only is skewed,
Also the skewed portion of slabs at
Also the nonskewed portions of culverts
NOTE: Bars B3 & B400 shall be
with one or two skewed wingwalls.
2.0
Slope of Backfill
A2(Bottom Corner of Barrel)
within these lim ts
located at the | of the
interior walls.
the right end of culverts when the left
and right Headwalls are both skewed but
not the same.
PART PLAN BOTTOM SLAB
PART PLAN TOP SLAB
END ELEVATION
1’-0"(Typ.)
Top Bevel
Center of Traffic Lanes
C
X
1’-3"
1
2
6"
V-Groove at |
Construction Joint in
Wingwall only.
6"
G1 Or G2
1
Side Slope X:1
See Detail "D"
or Lower points in Normal or Superelevated
"
(Typ.)
1’-0"
Vertical face of
Depth Of Fill ( Do Not use Upper
See Detail "D"
"
6
Roadway Sections unless so directed by
6
the Bureau Of Structures. )
G2
B
C
P
6"
Side Bevel
6"
Or S3
B2~Exterior Face
S3
Construction Joint
(See Art. 400-7.16)
(Exterior Wall)
B1~Interior Face
*S2
*
B
45^
1/2 Bar Space
(9" Max.)
C1~Interior Face
(Exterior Wall)
(Exterior Wall)
P
C1~Each Face
(Interior Wall)
B3~Each Face Staggered
(Interior Wall)
SECTION C-C
DETAIL "D"
DETAIL "F"
DETAIL "E"
Construction Joint
*S2
B
DETAIL "B"
2" Min.
*S3
6" Max.
B
B
SECTION NORMAL TO CULVERT
Wingwall Thickness
Top Slab Cover
.25 Cover
A1
C1
A300
B300
NOTE: For Bars F,J,K,L and or FK
in the Wingwalls, the subscripts
1 thru 4 apply as follows:
1~Left Front
2~Left Back
See Culvert Details and Reinforcing
2"
L
L
B1
CULVERT NORMAL TO ROADWAY SHOWN
Toe Dimension
Heel Dimension
DETAIL K
B
B
B
* B2
M
B
B
2’-00"
B
L
B
A200
Span(Typ.)
*
CI
Interior Wall
Construction Joint
A2
B
FK
C1
* C1
T
B3
6" Max.
Construction Joint
K
Height(Typ.)
Footing Thickness
Cover
Wall Cover
1’-6" (Max. spc.)
Typical Interior
* C2 Top Slab only
9" Max.(Typ)
4~Right Back
3" Cover
* Bar Schedule, Sheet 1 of 5
9" Max(Typ.)
A100
3~Right Front
2" Min.
2"
9" Max(Typ.)
J
F
6"
9"B
1
B
3
Footing Width
B
B
SECTION THRU WINGWALL
T
1
3
T
SECTION LL
Bottom Slab Cover
B400
SECTION THRU BARREL
A400
NOTE: The location of the first bar from
the ends of the culvert shall not
be less than 3", but not greater
than one half the bar spacing.
2006 FDOT Design Standards
CONCRETE BOX CULVERT
DOUBLE BARREL
Last
Revision
Sheet No.
00
3 of 5
Index No.
290
Length at | of Culvert
B2 Exterior Face &B1 Interior Face
F
A300 & B300 Alternating (Top of Top Slab)
O
N G
IO IN
N
O
I
T
A100 (Bottom of Top Slab)
Normal Space
C
E
IR
D
FK
F(Interior Face)
R(Top of Footing)
of Barrel )
A
T
at 5" ctrs(Bottom of Top Slab)
A101
A301
A100
A301 etc.(Top of Top Slab)
A101 etc.(Bottom of Top Slab)
J(Exterior Face)
B300
G1 at 3" ctrs.(Top of Headwall)
PART PLAN AT END OF CULVERT
A201 etc.(Top of Bottom Slab)
A401 etc.(Bottom of Bottom Slab)
A1 (Top Corner of Barrel)
A401
See Detail E
B2 Exterior Face &
A200
A2 (Bottom corner of Barrel)
Toe
M
A1 ( Top Corner
S
B1 Interior Face
A351
C1(See Barrel Cross Section)
FK
Top of Wall
Footing Width
L(Top of Footing)
*S2
Normal Space
T
See Detail F
A351 etc.(Top of Top Slab)
A151 etc. (Bott. of Top Slab)
B3 Each Face Staggered (Typ)
A400
B400
A451
| Culvert
A251 etc. (Top of Bottom Slab)
A451 etc. (Bott. of Bott. Slab)
A251
B2 Exterior Face
A201
A300
* S3
at 5" ctrs
(Top of Bottom Slab)
B1 Interior Face
Normal Space
Normal Space
Total Wingwall Length
2’-0" Wall Height
2’-0" (Typ.)
Bars N (Typ.)
See Detail "K"
A200(Top of Bottom Slab)
See Detail "B"
Wingwall
Footing Width
A400 & B400 Alternating(Bottom of Bottom Slab)
Slab Reinforcing Steel within these limits
apply for the skewed portion of culvert
slabs when the left Headwall is skewed,
1.5
1.0
Also the skewed portion of slabs at both
ends of culverts when the left and right
Headwalls are skewed the same.
Slope of Backfill
Slab Reinforcing Steel within these
limits apply for the skewed portion
of culvert slabs when the right headwall
only is skewed,
A2(Bottom Corner of Barrel)
Slab Reinforcing Steel within these limits
apply for nonskewed culverts,
Also the skewed portion of slabs at
Also the nonskewed portions of culverts
NOTE: Bars B3 & B400 shall be
with one or two skewed wingwalls.
the right end of culverts when the left
located at the | of the
interior walls.
and right Headwalls are both skewed but
not the same.
PART PLAN BOTTOM SLAB
PART PLAN TOP SLAB
1.0 (Typ.)
END ELEVATION
1’-3"
1
2
V-Groove at |
1
See Detail "D"
1’-0"
Vertical face of
Wingwall only.
6"
X
6"
Construction Joint in
G1 Or G2
"
Depth Of Fill ( Do Not use Upper
"
6
(Typ.)
Top Bevel
Center of Traffic Lanes
C
6
See Detail "D"
Side Slope X:1
or Lower points in Normal or Superelevated
Roadway Sections unless so directed by
the Bureau Of Structures. )
C
6"
G2
P
45^
6"
*S3
*S2
Side Bevel
B1~Interior Face
B2~Exterior Face
SECTION C-C
DETAIL "B"
Construction Joint
(See Art. 400-7.16)
(Exterior Wall)
Or S3
DETAIL "D"
(Exterior Wall)
C1~Interior Face
(Exterior Wall)
1/2 Bar Space
(9" Max.)
B3~Each Face Staggered
(Interior Wall)
DETAIL "F"
DETAIL "E"
P
C1~Each Face
(Interior Wall)
2" Min.
Construction Joint
*
6" Max.
S2
*S3
Wingwall Thickness
SECTION NORMAL TO CULVERT
3" Cover
Top Slab Cover
C1
A300
B300
NOTE: For Bars F,J,K,L and or FK
in the Wingwalls, the subscripts
A1
1 thru 4 apply as follows:
1~Left Front
2~Left Back
* See Culvert Details and Reinforcing
Bar Schedule, Sheet 1 of 5
A100
4~Right Back
Typical Interior
Cover
K
Construction Joint
Wall Cover
Toe Dimension
Heel Dimension
M
L
L
L
B1
9" Max(Typ.)
9" Max(Typ.)
B3
Span(Typ.)
C1
CULVERT NORMAL TO ROADWAY SHOWN
1’-6" (Max. spc.)
*B2
DETAIL K
* C2 Top Slab only
9" Max(Typ.)
3" Cover
2’-0"
Footing Thickness
3~Right Front
1/2 Bar Space
* C1
9" Max.(Typ)
* C1
A200
FK
T
Interior Wall
Height(Typ.)
2"
2"
2" Min.
6" Max.
J
F
Construction Joint
A2
9"
6"
Footing Width
1
3
SECTION THRU WINGWALL
T
Bottom Slab Cover
1
3
B400
A400
A400
T
SECTION LL
NOTE: The location of the first bar from
the ends of the culvert shall not
SECTION THRU BARREL
be less than 3", but not greater
than one half the bar spacing.
2006 FDOT Design Standards
CONCRETE BOX CULVERT
TRIPLE BARREL
Last
Revision
Sheet No.
00
4 of 5
Index No.
290
Length at | of Culvert
F
A300 & B300 Alternating (Top of Top Slab)
Normal Space
O
N
A100 (Bottom of Top Slab)
Normal Space
G
IO IN
N
C
E TIO
R
I
A
D ST
T
See Detail F
FK
R(Top of Footing)
F(Interior Face)
at 5" ctrs(Bottom of Top Slab)
A301
A301 etc.(Top of Top Slab)
A101 etc.(Bottom of Top Slab)
J(Exterior Face)
B300
G1 at 3" ctrs.(Top of Headwall)
PART PLAN AT END OF CULVERT
A201 etc.(Top of Bottom Slab)
A351 etc.(Top of Top Slab)
A351
A151 etc. (Bott. of Top Slab)
B3 Each Face Staggered (Typ)
A400
B400
| Culvert
A251
A251 etc. (Top of Bottom Slab)
A451 etc. (Bott. of Bott. Slab)
A401 etc.(Bottom of Bottom Slab)
A201
A100
A1 (Top Corner of Barrel)
See Detail E
B2 Exterior Face &B1 Interior Face
A200
A2 (Bottom corner of Barrel)
Toe
M
*S2
C1(See Barrel Cross Section)
FK
Top of Wall
Footing Width
L(Top of Footing)
A1(Top Corner of Barrel)
* S3
B2 Exterior Face
at 5" ctrs
(Top of Bottom Slab)
B1 Interior Face
Total Wingwall Length
2.0(Typ.)
See Detail "B"
See Detail "K"
Bars N (Typ.)
2’-0" Wall Height
Normal Space
Normal Space
1.5
1.0
A200(Top of Bottom Slab)
Wingwall
Footing Width
Slope of Backfill
A400 & B400 Alternating(Bottom of Bottom Slab)
Slab Reinforcing Steel within these limits
apply for the skewed portion of culvert
slabs when the left Headwall is skewed,
Slab Reinforcing Steel within these
limits apply for the skewed portion
of culvert slabs when the right headwall
only is skewed,
A2(Bottom Corner of Barrel)
Slab Reinforcing Steel within these lim ts
apply for nonskewed culverts,
Also the skewed portion of slabs at both
ends of culverts when the left and right
Headwalls are skewed the same.
Also the nonskewed portions of culverts
NOTE: Bars B300
with one or two skewed Headwalls.
& B400 shall be
Also the skewed portion of slabs at
the right end of culverts when the left
located at the | of the
interior walls.
1’-0" (Typ.)
and right Headwalls are both skewed but
not the same.
PART PLAN BOTTOM SLAB
PART PLAN TOP SLAB
END ELEVATION
C
1.250
1
2
X
.500
V-Groove at |
See Detail "D"
Construction Joint in
0
1.00
G1 Or G2
0
0
Side Slope X:1
See Detail "D"
or Lower points in Normal or Superelevated
0
.5
1
Depth Of Fill ( Do Not use Upper
.5
Roadway Sections unless so directed by
the Bureau Of Structures. )
C
G2
P
45^
.500
* S3
*S2
Side Bevel
6"
B1~Interior Face
Construction Joint
(See Art. 400-7.16)
(Exterior Wall)
Or S3
B2~Exterior Face
1/2 Bar Space
(9" Max.)
C1~Interior Face
(Exterior Wall)
(Exterior Wall)
P
C1~Each Face
(Interior Wall)
B3~Each Face Staggered
(Interior Wall)
SECTION C-C
DETAIL "B"
DETAIL "D"
DETAIL "F"
DETAIL "E"
Construction Joint
*S2
2" Min.
6" Max.
*S3
B
Wingwall Thickness
SECTION NORMAL TO CULVERT
3" Cover
Top Slab Cover
C1
A300
B300
A1
NOTE: For Bars F,J,K,L and or FK
in the Wingwalls, the subscripts
3" Cover
1 thru 4 apply as follows:
1~Left Front
2~Left Back
3~Right Front
2"
L
K
A100
Typical Interior
CULVERT NORMAL TO ROADWAY SHOWN
4~Right Back
2"
L
Cover
DETAIL K
Construction Joint
Wall Cover
Heel Dimension
B1
Toe Dimension
M
2’-0"
L
FK
T
Interior Wall
1’-6" (Max. spc.)
1/2 Bar Space
* C1
1
1
3
9" Max(Typ.)
C1
Span(Typ.)
*B2
*
See Culvert Details and Reinforcing
Bar Schedule, Sheet 1 of 5
B3
6"
3 T
*
*C2 Top Slab only
9" Max(Typ.)
C1
A200
9" Max.(Typ)
2" Min.
6" Max.
J
9" Max(Typ.)
F
Footing Thickness
6"
Wingwall only.
(Typ.)
Vertical face of
Height(Typ.)
Top Bevel
Center of Traffic Lanes
Construction Joint
T
A2
9"
SECTION LL
Footing Width
Bottom Slab Cover
B400
A400
NOTE: The location of the first bar from
SECTION THRU WINGWALL
SECTION THRU BARREL
the ends of the culvert shall not
be less than 3", but not greater
than one half the bar spacing.
2006 FDOT Design Standards
CONCRETE BOX CULVERT
QUADRUPLE BARREL
Last
Revision
Sheet No.
00
5 of 5
Index No.
290