storm drainage - allen, texas
TRANSCRIPT
DETAILS
CONSTRUCTION
STANDARD
STORM DRAINAGE
REVISED - MAY 2017
DEPARTMENT OF ENGINEERING
SD-D31STORM RELATED FLUMES
SD-D29
SD-D28
SD-D30
TYPE "A" HEADWALL
TYPE "B" HEADWALL
TYPE "C" HEADWALL
SD-D27
WYE INLET DETAIL
GENERAL NOTESSD-D01
SD-D02
SD-D03
SD-D04
SD-D05
SD-D06
SD-D07
SD-D08
SD-D09
SD-D10
SD-D11
SD-D12
SD-D13
SD-D14
SD-D15
SD-D16
SD-D17
SD-D18
SD-D19
SD-D20
SD-D21
SD-D22
SD-D23
SD-D24
SD-D25
SD-D26
TYPE III NORMAL CHANNEL SECTION
TYPE I & II CHANNEL SECTION
GRATE DETAILS, STANDARD DROP INLET
SIX GRATE INLET
FOUR GRATE INLET
THREE GRATE INLET
TWO GRATE INLET
COMBINATION INLET, FOUR GRATE INLET
COMBINATION INLET, THREE GRATE INLET
COMBINATION INLET, TWO GRATE INLET
COMBINATION INLETS,GRATE DETAILS,BAR DIAGRAMS
PRECAST CURB INLET
BAR DIAGRAMS, INLET FRAME & COVER
REINFORCING STEEL SCHEDULE 12,14,16,& 20 FOOT INLETS
TYP. SECTION "B" STANDARD RECESSED & CURB 12,14,16,& 20 FOOT INLETS
12,14,16, & 20 FOOT INLETS
REINFORCING STEEL SCHEDULE,4,6,8,10 FOOT INLETS
STANDARD CURB INLET,4,6,8,10 FOOT INLETS
RECESSED CURB INLET,4,6,8,10 FOOT INLETS
TYPE "B" STORM SEWER MANHOLE
TYPE "A" STORM SEWER MANHOLE
UTILITY SUPPORT,WATER MAIN LOWERING,CONCRETE COLLAR
CONCRETE,ASPHALT STREET REPAIR,PIPE BEDDING
TYP. SECTION "B" STANDARD RECESSED & CURB INLETS (4',6',8',10' INLETS)
TYP. SECTION "C" STANDARD RECESSED & CURB INLETS (4',6',8',10' INLETS)
GENERAL NOTES
1. ALL CONCRETE DRAINAGE STRUCTURES SHALL HAVE A MINIMUM COMPRESSED
STRENGTH OF 3600 P.S.I.
2. ALL CRUSHED STONE SHALL BE 3/4", PASSING #4 SIEVE.
3. ALL FIELD JOINTS WILL BE APPROVED BY THE CITY ENGINEER IF NECESSARY.
FIELD JOINTS SHALL BE WIPED ON THE INSIDE AND OUTSIDE TO PROVIDE FOR
SMOOTH FLOW OF WATER.
4. RAMNECK COMPOUND OR APPROVED EQUAL SHALL BE USED FOR JOINT SEALS.
5. ALL STORM SEWER PIPE SHALL BE CAMERA INSPECTED AFTER THE INSTALLATION
OF ALL UTILITIES AND PRIOR TO FINAL ACCEPTANCE OF THE PROJECT.
6. ALL INLETS AND JUNCTION BOXES WITHIN THE CITY R.O.W. WILL BE
CAST-IN-PLACE, UNLESS APPROVED BY CITY ENGINEER.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
MAY 1991
REV DATE:
MAY 2017
SHEET :
SD-D01
GENERAL NOTES
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
MAY 1991
REV DATE:
MAY 2017
SHEET :
SD-D02
CONCRETE STREET REPAIR
ASPHALT STREET REPAIR
PIPE BEDDING
DEPARTMENT OF ENGINEERING
DETAIL OF
UTILITY SUPPORT
DETAIL FOR
WATER MAIN LOWERING
DETAIL OF CONCRETE COLLAR
FOR PIPE CONNECTIONS
PROPOSED
TRENCH WIDTH
FOR STORM
SEWER
1'1'
1' MIN.
6" M
IN
.
VA
RIE
S
6"
MIN
12"
MIN
12"
MIN
12"
MIN
12"
MIN
# 4 WIRE MESH TO
BE WRAPPED AROUND JOINT
VA
RIE
S
6"
MIN
1
1
2
MIN
.
6"
MIN
.
TRENCH WIDTH
4" M
IN
. T
HIC
KN
ES
S O
F
2000 p.s.i. C
ON
CR
ET
E
AR
OU
ND
P
IP
E
AN
D B
ELLS
PROPOSED
STORM SEWER
FLOWABLE FILL
EMBEDMENT
M.J.-D.I.
45° BENDS
PROPOSED
STORM SEWER
EXISTING WATER MAIN
NIPPLE
THRUST BLOCK
EXISTING WATER LINE
ALL STORM SEWER
PIPE PLUGS SHALL
BE CONCRETE
UTILITY SUPPORT
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
SD-D03AUG. 2006
REV DATE: SHEET:DATE:
JULY 1991
WATER MAIN LOWERING
CONCRETE COLLAR
SECTION A
P L A N
SECTION B
TYPE A
STORM SEWER MANHOLE
B
A
R
E
W
E
S
M
R
O
T
S
NOTE : 24" Ø MAXIMUM PIPE SIZE.
MH IS NOT TRAFFIC RATED
NOTE :
FRAME AND COVER SHALL BE BASS & HAYES
PATTERN No. 380-24 OR EQUAL AND SHALL BE
GRAY CAST IRON CONFORMING TO ASTM SPEC.
A-48 FOR CLASS 30 CAST IRON.
ALL CAST IRON FITTINGS SHALL BE DOMESTIC.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
APRIL 2015
SHEET :
SD-D04
TYPE "A" STORM SEWER MANHOLE
DEPARTMENT OF ENGINEERING
R
E
W
E
S
M
R
O
T
S
P L A N
B
A
SECTION A SECTION B
SECTION C
C
A
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D05
TYPE "B" STORM SEWER MANHOLE
DEPARTMENT OF ENGINEERING
4'
1'
INLET SIZE
2' SQUARE
4' SQUARE
5' SQUARE
6' SQUARE
T
7"
7"
8"
9"
W
2'-0"
4'-0"
5'-0"
6'-0"
A
4'
1'
PLAN OF TOP SLAB
SECTION A
TW
=
O
PE
NIN
GT
W +
2T
T W = OPENING T
W + 2T
#4 BARS AT 6"
C-C EACH WAY
#5 BENT BARS
(TYP. ALL CORNERS)
#5 BENT BARS
(TYP. ALL CORNERS)
4' W + 2T 4'
6"
6"
4"
T W = OPENING T
W + 2T
CONSTRUCTION
JOINTS @ CORNERS
3' #4 BARS
18" C-C
TROWEL FINISH
#4 BARS @ 18" C-C
BOTH WAYS
TOOLED EDGES
3" FILLET IN
OPENING
TOOLED EDGES
POST @ 4 CORNERS
POST @
4 CORNERS
R
E
W
E
S
M
R
O
T
S
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D06
WYE INLET DETAIL
DEPARTMENT OF ENGINEERING
A
6"
9"
L +
1
'1
0'
10
'
LIM
IT
S O
F B
LO
CK
OU
T
6"
30"
6"
42"
42" 24" 18"
R
=
1
3
'
R
=
1
3
'
L +
1
'1
0'
10
'
LIM
IT
S O
F B
LO
CK
OU
T
L
6"
4" 6"
10" VARIES
6"6"
P L
A
N
SE
CT
IO
N A
6"
FA
CE
O
F C
UR
B
EX
PA
NS
IO
N JO
IN
T
WA
RP
P
AV
EM
EN
T S
UR
FA
CE
TO
T
HR
OA
T O
F IN
LE
T
IN
LE
T F
RA
ME
(L
OC
AT
IO
N O
N
EN
D O
F P
IP
E)
B
WA
RP
T
O S
UIT
C
ON
DIT
IO
NS
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
LL
ED
TO
S
MO
OT
H H
AR
D S
UR
FA
CE
.
USUAL 4'-6"
5' MAX.
VA
RIA
BL
E H
EIG
HT
C
UR
BV
AR
IA
BL
E H
EIG
HT
C
UR
B
EX
PA
NS
IO
N JO
IN
T
R
E
W
E
S
M
R
O
T
S
C
NO
TE
:
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
AL
L,
BU
T S
HA
LL
N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
RE
IN
FO
RC
EM
EN
T D
ET
ER
MIN
ED
B
Y
PA
VIN
G S
TA
ND
AR
DS
B
AS
ED
U
PO
N
RO
AD
WA
Y C
LA
SS
IF
IC
AT
IO
N.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
MAY 2017
SHEET :
SD-D07
RECESSED CURB INLET
4,6,8 AND 10 FEET INLETS
DEPARTMENT OF ENGINEERING
A
6"
9"
L +
1
'1
0'
10
'
LIM
IT
S O
F B
LO
CK
OU
T
6"
30"
6"
36"
42"
L +
1
'1
0'
10
'
LIM
IT
S O
F B
LO
CK
OU
T
L
6"
4" 6"
10" VARIES
6"6"
PL
AN
-S
TA
ND
AR
D IN
LE
T
SE
CT
IO
N A
6"
FA
CE
O
F C
UR
B
EX
PA
NS
IO
N JO
IN
T
IN
LE
T F
RA
ME
(L
OC
AT
IO
N O
N
EN
D O
F P
IP
E)
B
WA
RP
T
O S
UIT
C
ON
DIT
IO
NS
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
LL
ED
TO
S
MO
OT
H H
AR
D S
UR
FA
CE
.
USUAL 4'-6"
5' MAX.
VA
RIA
BL
E H
EIG
HT
C
UR
BV
AR
IA
BL
E H
EIG
HT
C
UR
B
EX
PA
NS
IO
N JO
IN
T
R
E
W
E
S
M
R
O
T
S
C
NO
TE
:
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
AL
L,
BU
T S
HA
LL
N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
RE
IN
FO
RC
EM
EN
T D
ET
ER
MIN
ED
B
Y
PA
VIN
G S
TA
ND
AR
DS
B
AS
ED
U
PO
N
RO
AD
WA
Y C
LA
SS
IF
IC
AT
IO
N.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
MAY 2017
SHEET :
SD-D08
STANDARD CURB INLET
4,6,8 AND 10 FEET INLETS
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
MARCH 2015
SHEET :
SD-D09
TYPICAL SECTION B
STANDARD RECESSED
& CURB INLET
(4,6,8 AND 10 FEET INLETS)
DEPARTMENT OF ENGINEERING
TYPICAL SECTION B
SLOPE TOP INLET
1/4" PER FEET
BAR "H" AT 8" O.C.
12-BAR "E"
BAR "C"
AT 8" O.C.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
MARCH 2015
REV DATE: SHEET :
SD-D10
DEPARTMENT OF ENGINEERING
TYPICAL SECTION C
STANDARD & RECESSED
CURB INLET
(4,6,8 AND 10 FEET INLETS)
TY
PIC
AL
S
EC
TIO
N C
NO
TE
:
RE
IN
FO
RC
EM
EN
T S
HO
WN
IS
AD
DIT
IO
NA
L F
OR
S
PE
CIA
L
CO
ND
IT
IO
N, F
OR
R
EM
AIN
DE
R O
F
RE
IN
FO
RC
EM
EN
T S
EE
S
EC
TIO
NS
.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
MARCH 2015
SHEET :
SD-D11
REINFORCING STEEL SCHEDULE
4,6,8 AND 10 FEET INLETS
DEPARTMENT OF ENGINEERING
IN
LE
T
LE
NG
TH
BA
R
TY
PE
BA
R
DIA
.
(#/8")
NO
.
RE
Q'D
.
BA
R D
IM
EN
SIO
NS
AB
C
4'
A3
53'-2"
0'-3"
_
B
C D
L
H N
6'
3 4 33 44
2
12
3'-8"
10
87
*
73'-2"
__
__
**
3'-2"
3'-2"
3'-2"
3'-2"
**
__
__
3'-2"
10
*
10
3'-8"
13
5'-8"
4'-6"
2
4 4343
NHDC
B
_
0'-3"
3'-2"
83
AE5
12
3'-8"
__ _
_
5'-8"
12
5E
2'-6"
3'-8"
G3
72'-0"
1'-3"
_
3'-3"
I4
3'-8"
3'-2"
_
10
3G
L3
83'-3"
I4
5'-8"
3'-2"
3 3
0'-3"
0'-3"
12
0'-3"
0'-3"
0'-3"
0'-3"
0'-3"
0'-3"
2'-0"
1'-3"
F
J
K
M
P
O
F
J
K
M
P
O
42
VA
RIE
S
42
VA
RIE
S
34
__
34
__
2'-1"
44
__
2'-1"
44
___
_
41
1'-6"
__
_
__
__
_
__
__
_
__
__
_
__
__
VA
RIE
S
VA
RIE
S
0'-10"
1'-6"
41
1'-6"
0'-10"
1'-6"
A3
11
3'-2"
0'-3"
_
B
C D G H
I
3 4 3 34
26'-6"
7'-8"
16
3'-8"
13
13
*
__
__ _
**
8'
10'
**
___
__
*
16
16
3'-8"
19
9'-8"
8'-6"
2
4 3343
HGDC
B
_
0'-3"
3'-2"
14
3A
* S
EE
D
IA
GR
AM
F
OR
D
IM
EN
SIO
NS
E5
12
7'-8"
__
N4
16
3'-2"
3'-2"
3'-2"
N4
13
3'-2"
3'-2"
I
3'-2"
L3
83'-3"
__
9'-8"
12
5E
L3
83'-3"
47'-8"
3'-2"
3
49'-8"
3'-2"
3
12
0'-3"
0'-3"
12
0'-3"
0'-3"
0'-3"
0'-3"
0'-3"
0'-3"
2'-0"
1'-3"
2'-0"
1'-3"
F
J
K
M
P
O
F
J
K
M
P
O
42
VA
RIE
S
42
VA
RIE
S
34
__
34
__
2'-1"
44
__
2'-1"
44
___
__
__
__
__
_
__
__
_
__
__
_
__
__
VA
RIE
S
VA
RIE
S
41
1'-6"
0'-10"
1'-6"
41
1'-6"
0'-10"
1'-6"
RE
IN
FO
RC
IN
G S
TE
EL S
CH
ED
ULE
DIM
EN
SIO
NS
S
HO
WN
A
RE
F
OR
M
AX
IM
UM
S
IZ
E IN
LE
T
IN
LE
T
LE
NG
TH
BA
R
TY
PE
BA
R
DIA
.
(#/8")
NO
.
RE
Q'D
.
BA
R D
IM
EN
SIO
NS
AB
C
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
APRIL 2015
SHEET :
SD-D12
12,14,16 AND 20 FEET INLETS
DEPARTMENT OF ENGINEERING
B
A
A
MA
NH
OL
E F
RA
ME
&
C
OV
ER
R
E
W
E
S
M
R
O
T
S
S
EC
TIO
N A
P L A
N
R
E
W
E
S
M
R
O
T
S
NO
TE
:
RE
IN
FO
RC
EM
EN
T S
HO
WN
IS
AD
DIT
IO
NA
L F
OR
S
PE
CIA
L
CO
ND
IT
IO
N, F
OR
R
EM
AIN
DE
R O
F
RE
IN
FO
RC
EM
EN
T S
EE
S
EC
TIO
NS
.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
APRIL 2015
SHEET :
SD-D13DEPARTMENT OF ENGINEERING
TYPICAL SECTION B
STANDARD RECESSED
& CURB INLET
(12,14,16 AND 20 FEET INLETS)
SLOPE TOP INLET
1/4" PER FEET
TYPICAL SECTION B
IN
LE
T
LE
NG
TH
BA
R
TY
PE
BA
R
DIA
.
(#/8")
NO
.
RE
Q'D
.
BA
R D
IM
EN
SIO
NS
AB
C
12
'A
31
43
'-2
"0
'-3
"
_
B
C D
L
H N
14
'
3 4 33 44
2
12
13
'-4
"
23
8
20
*
20
3'-2
"
__
__
**
3'-2
"3
'-2
"
3'-2
"3
'-2
"
**
__
__
3'-2
"2
4
*
24
3'-8
"2
7
2
4 4343
NHDC
B
_
0'-3
"3
'-2
"1
83
AE5
12
13
'-4
"
__ _
_
12
5E
9'-4
"
3'-8
"
G3
20
2'-0
"1
'-3
"
_
3'-3
"
I4
3'-2
"
_
24
3G
L3
83
'-3
"
I4
3'-2
"
3 3
0'-3
"0
'-3
"
12
0'-3
"0
'-3
"
0'-3
"0
'-3
"
0'-3
"0
'-3
"
2'-0
"1
'-3
"
F
J
K
M
P
O
F
J
K
M
P
O
42
VA
RIE
S
42
VA
RIE
S
34
__
34
__
2'-1
"6
4
__
2'-1
"6
4
___
_
41
1'-6
"
__
_
__
__
_
__
__
_
__
__
_
__
__
VA
RIE
S
VA
RIE
S
0'-1
0"
1'-6
"
41
1'-6
"0
'-1
0"
1'-6
"
A3
20
3'-2
"0
'-3
"
_
B C D G H
I
3 4 3 34
2
29
3'-8
"
26
26
*
__
__ _
**
16
'
20
'
**
___
__
*
32
32
3'-8
"3
5
2
4 3343
HGDCB
_
0'-3
"3
'-2
"2
63
A
* S
EE
D
IA
GR
AM
F
OR
D
IM
EN
SIO
NS
E5
12
__
N4
32
3'-2
"3
'-2
"3
'-2
"
N4
26
3'-2
"3
'-2
"
I
3'-2
"
L3
83
'-3
"
__
21
'-4
"1
25
E
L3
83
'-3
"
43
'-2
"3
43
'-2
"3
12
0'-3
"0
'-3
"
12
0'-3
"0
'-3
"
0'-3
"0
'-3
"
0'-3
"0
'-3
"
2'-0
"1
'-3
"
2'-0
"1
'-3
"
F
J
K
M
P
O
F
J
K
M
P
O
42
VA
RIE
S
42
VA
RIE
S
34
__
34
__
2'-1
"6
4
__
2'-1
"6
4
___
__
__
__
__
_
__
__
_
__
__
_
__
__
VA
RIE
S
VA
RIE
S
41
1'-6
"0
'-1
0"
1'-6
"
41
1'-6
"0
'-1
0"
1'-6
"
RE
IN
FO
RC
IN
G S
TE
EL S
CH
ED
ULE
DIM
EN
SIO
NS
S
HO
WN
A
RE
F
OR
M
AX
IM
UM
S
IZ
E IN
LE
T
IN
LE
T
LE
NG
TH
BA
R
TY
PE
BA
R
DIA
.
(#/8")
NO
.
RE
Q'D
.
BA
R D
IM
EN
SIO
NS
AB
C
RQ
__
32
1'-8
"
__
34
1'-3
"RQ
__
__
RQ
__
__
RQ
__
__
32
1'-8
"
34
1'-3
"
32
1'-8
"
34
1'-3
"
32
1'-8
"
34
1'-3
"
13
'-4
"
11
'-4
"
13
'-4
"
15
'-4
"
17
'-4
"
21
'-4
"
15
'-4
"
15
'-4
"
17
'-4
"
17
'-4
"
17
'-4
"
21
'-4
"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D14
REINFORCING STEEL SCHEDULE
12,14,16 AND 20 FEET INLETS
DEPARTMENT OF ENGINEERING
BAR "A"
BAR "E" & "T"
BAR "B" , "Q" & "U"
BAR "C & L"
BAR "D" , "F" & "R"
BAR "J"
BAR "G"
BAR "H"
BAR "K"
BAR "M"
BAR "I "
BAR "N"
A
B
A
A
A
A
A
10"
1'-6"1'-6"
BC
B
1'-3 1/4"
6 1/2"
5 1/2"
4"
3"
A
A
B
B
B
A
AC
R
E
W
E
S
M
R
O
T
S
ALL CAST IRON FITTINGS SHALL BE DOMESTIC.
FRAME SECTION
NOTE :
BEND TO ALLOW A
MINIMUM 1-1/2" CLEAR
OF DRAIN PIPE
1" LETTERS
RAISED 1/16"
1" 1"
13
16
"
3
16
"
7-3/4"
3
8
" RIB
19-7/16"
17-7/8"
7
16
"
7
16
"
1
4
"
1
16
"
1
2
"
4"
1
4
"
9
16
"
1
2
"
22-1/8"
13
16
"
9
1
6
"
P L A N
COVER SECTION
BAR DIAGRAMS
1
16
"
3
4
"
1
2
"
1-5
/1
6"
7-3/4"
KEY HOLE
BAR "O" & "P"
A
A
B
C
BAR "S"
A
B
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
MARCH 2015
SHEET :
SD-D15
BAR DIAGRAMS AND
INLET FRAME & COVER DETAIL
DEPARTMENT OF ENGINEERING
PRECAST INLETS MUST BE
APPROVED BY CITY ENGINEER.
NOTE:
PIPES SHALL CONNECT TO THE
SIDES OF INLETS. CONNECTION
NOT TO BE MADE AT CORNERS
OR BOTTOM.
INSTALLATION DRAWING FOR PRECAST
5' AND 10' CURB INLETS
1. THE FLOOR OF THE EXCAVATION MUST PROVIDE A FIRM, LEVEL BED FOR THE BASE SECTION TO
REST UPON.
2. A MINIMUM OF 6" OF 1"DIAMETER (MAX.) ROCK OR GRAVEL SHALL BE USED TO PREPARE THE
BEDDING TO FINAL GRADE OR IN LIEU OF THIS, THAT AT LEAST 6" OF 2 SACK CEMENT STABILIZED
SAND BE USED TO PREPARE THE BEDDING TO GRADE. CEMENT STABILIZED SAND TO BE ALLOWED
TO SET BY KEEPING HOLE PUMPED DRY.
3. AFTER CASTING HAS BEEN INSTALLED ON THE PROPER BEDDING, THE BACKFILL MATERIAL, WHICH
IS FREE FLOWING AND CLEAR OF ROCKS IN EXCESS OF 4" DIAMETER AND OTHER LUMPS WHICH
WOULD PROHIBIT PROPER COMPACTION, SHALL BE COMMENCED IN LIFTS OF NO MORE THAN 18".
THE MATERIAL USED FOR BACKFILL SHOULD BE OF A TYPE SUITABLE TO OBTAIN THE DENSITY
REQUIREMENTS FOR THE SPECIFIC JOB.
NOTES FOR PRECAST INLET
GROUT AROUND
PIPE AFTER INSTALLING
BOTTOM OF THROAT AND
GUTTER TO BE POURED BY
INLET CONTRACTOR AFTER
STREET PAVING.
1/2" DOWEL 12" LONG TO BE
INSERTED IN HOLES PROVIDED
POUR INVERT IN BOTTOM OF INLET
AFTER INSTALLING PIPE.
6"
6"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D16
PRECAST CURB INLET
DEPARTMENT OF ENGINEERING
BARS "A" 5/8"Ø
TWO GRATE INLET , L=5'-10 1/4"
THREE GRATE INLET , L=8'-6 1/2"
FOUR GRATE INLET , L=11'-2 3/4"
BARS "B" 5/8"Ø
BARS "C" 3/8"Ø
BARS "H" 5/8"Ø
BARS "I" 4/8"Ø
BARS "J" 4/8"Ø
BARS "K" 4/8"Ø
NOTES :
P L A N
2-7/8"
1-1/8"
2'-6"
1-1/8"
2'-6"
1-1/8"
1-1/8"
2'-8
1
4
"2'-7
1
8
"
L
15"
18"
VARIES
24"
30"
18"
36"
7"
VA
RIE
S 28" M
IN
.
1. ALL LAPS AND EXTENSION OF REINFORCING
BARS SHALL BE 36 BAR IN DIAMETERS UNLESS
NOTED OTHERWISE.
2. TACK WELD GRATES IN PLACE.
3. PIPE MAYBE PLACED IN ANY WALL, BUT
4. SHALL NOT ENTER ANY CORNER OR BOTTOM.
5. GRATE AND FRAME SHALL BE PATTERN No. 814AS
MANUFACTURED BY BASS & HAYES FOUNDRY, INC.
OR APPROVED EQUAL.
6. ALL CAST IRON FITTINGS SHALL BE DOMESTIC.
1-1/8"
18" 4"
LUGS
20-1/4"
5"
SECTION A
SECTION B
B
A
LUGS
5'-7
3
4
" (2 GRATES)
5'-2
1
4
" (2 GRATES)
4"
GRATE FRAME
GRATE FRAME
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D17
COMBINATION INLETS
GRATE DETAILS
AND BAR DIAGRAMS
DEPARTMENT OF ENGINEERING
NOTES :
P L A N
2'-7
1
8
"
1. COMBINATION INLETS TO BE USE
IN ALL ALLEYS WHERE INLETS ARE
REQUIRED.
2. ALL LAPS AND EXTENSION OF
REINFORCING BARS SHALL BE
36 BAR DIAMETERS UNLESS
NOTED OTHERWISE.
3. TACK WELD GRATES IN PLACE.
4. PIPE MAY BE PLACED IN ANY WALL,
BUT SHALL NOT ENTER ANY
CORNER OR BOTTOM.
5. ALL CAST IRON FITTINGS SHALL BE DOMESTIC.
SECTION A
A
2'-7
1
8
"
PLAN
B
SECTION B
6"
VA
RIE
S (4'-6" U
SU
AL)
4"
6"
R
6
"
6" 6"
6" 24" 6"
36"
S4 X 7.7
1/4" / FT.
BARS "A"
BARS "J" 12" O.C
BARS "A"
BARS "I" 12" O.C.E.W
BARS "H" 12" O.C.
BARS "A"
BARS "K" 12" O.C.
BARS "C" 12" O.C.
BARS "B" 12" O.C.
5'- 2
1
4
"
6"6"
2"
BARS "G"
10'-6" CURB TYPICAL FOR ALL
COMBINATION INLETS
BARS "K" 12" O.C.
BARS "A"
BARS "I" 12" O.C.E.W.
1
2
" MORTAR FINISH, TROWEL TO A
SMOOTH HARD SURFACE.
BARS "A" 12" O.C.BARS "J" 12" O.C.
SEE NOTE 4
18"
6"
12"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D18
COMBINATION INLET
TWO GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L A
N
2'-7
1
8
"
1.
CO
MB
IN
AT
IO
N IN
LE
TS
T
O B
E U
SE
IN
A
LL
A
LL
EY
S W
HE
RE
IN
LE
TS
A
RE
RE
QU
IR
ED
.
2.
AL
L L
AP
S A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL
B
E
36
B
AR
D
IA
ME
TE
RS
U
NL
ES
S
NO
TE
D O
TH
ER
WIS
E.
3.
TA
CK
W
EL
D G
RA
TE
S IN
P
LA
CE
.
4.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
AL
L,
BU
T S
HA
LL
N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
5.
AL
L C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL
B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
2'-7
1
8
"
PL
AN
B
SE
CT
IO
N B
6"
VARIES (4'-6" USUAL)
4" 6"
R
6
"
6"
6"
6"
24
"6
"
36
"
S4 X
7.7
1/4
" / F
T.
BA
RS
"A
"
BA
RS
"J" 1
2" O
.C
BA
RS
"A
"
BA
RS
"I" 1
2" O
.C
.E
.W
BA
RS
"H
" 1
2" O
.C
.
BA
RS
"A
"
BA
RS
"K
" 1
2" O
.C
.
BA
RS
"C
" 1
2" O
.C
.
BA
RS
"B
" 1
2" O
.C
.
7'- 1
0
1
2
"
6"
6"
2"
BA
RS
"G
"
10
'-6
" C
UR
B T
YP
IC
AL
F
OR
A
LL
CO
MB
IN
AT
IO
N IN
LE
TS
BA
RS
"K
" 1
2" O
.C
.
BA
RS
"A
"
BA
RS
"I" 1
2" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
S
MO
OT
H H
AR
D S
UR
FA
CE
.
BA
RS
"A
" 1
2" O
.C
.B
AR
S "J" 1
2" O
.C
.
SE
E N
OT
E 4
18"
6"12"
2'-7
1
8
"
BA
RS
"I" 1
2" O
.C
.E
.W
.
S4
X
7
.7
2
3
4
" X
4
"
MC
H. B
OL
T W
/ N
UT
TO
P O
F C
UR
B
GU
TT
ER
F
LO
W L
IN
E
AT
C
UR
B F
AC
E
BA
RS
"A
"B
AR
S "B
" 8
R
EQ
UIR
ED
GU
TT
ER
GU
TT
ER
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D19
COMBINATION INLET
THREE GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L A
N
2'-7
1
8
"
1.
CO
MB
IN
AT
IO
N IN
LE
TS
T
O B
E U
SE
IN
A
LL
A
LL
EY
S W
HE
RE
IN
LE
TS
A
RE
RE
QU
IR
ED
.
2.
AL
L L
AP
S A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL
B
E
36
B
AR
D
IA
ME
TE
RS
U
NL
ES
S
NO
TE
D O
TH
ER
WIS
E.
3.
TA
CK
W
EL
D G
RA
TE
S IN
P
LA
CE
.
4.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
AL
L,
BU
T S
HA
LL
N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
5.
AL
L C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL
B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
2'-7
1
8
"
PL
AN
B
SE
CT
IO
N B
6"
VARIES (4'-6" USUAL)
4" 6"
R
6
"
6"
6"
6"
24
"6
"
36
"
S4 X
7.7
1/4
" / F
T.
BA
RS
"A
"
BA
RS
"J" 1
2" O
.C
BA
RS
"A
"
BA
RS
"I" 1
2" O
.C
.E
.W
BA
RS
"H
" 1
2" O
.C
.
BA
RS
"A
"
BA
RS
"K
" 1
2" O
.C
.
BA
RS
"C
" 1
2" O
.C
.
BA
RS
"B
" 1
2" O
.C
.
10'- 6
3
4
"
6"
6"
2"
BA
RS
"G
"
10
'-6
" C
UR
B T
YP
IC
AL
F
OR
A
LL
CO
MB
IN
AT
IO
N IN
LE
TS
BA
RS
"K
" 1
2" O
.C
.
BA
RS
"A
"
BA
RS
"I" 1
2" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
S
MO
OT
H H
AR
D S
UR
FA
CE
.
BA
RS
"A
" 12
" O
.C
.B
AR
S "J" 12
" O
.C
.
SE
E N
OT
E 4
18"
6"12"
2'-7
1
8
"
BA
RS
"I" 1
2" O
.C
.E
.W
.
S4
X
7
.7
2
3
4
" X
4
"
MC
H. B
OLT
W
/ N
UT
TO
P O
F C
UR
B
GU
TT
ER
F
LO
E L
IN
E
AT
C
UR
B F
AC
E
BA
RS
"A
"B
AR
S "B
" 8
R
EQ
UIR
ED
2'-7
1
8
"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D20
COMBINATION INLET
FOUR GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L
A
N
1.
AL
L L
AP
S A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL
B
E
36
B
AR
D
IA
ME
TE
RS
U
NL
ES
S
NO
TE
D O
TH
ER
WIS
E.
2.
TA
CK
W
EL
D G
RA
TE
S IN
P
LA
CE
.
3.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
AL
L,
BU
T S
HA
LL
N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
4.
AL
L C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL
B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
B
SE
CT
IO
N B
#4 B
AR
S
12" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
SM
OO
TH
H
AR
D S
UR
FA
CE
.
SE
E N
OT
E 3
6"
6"
18
"6
"
18"6" 6"
6"
31
1
8
"
6"
5'-2
1
4
"
31
1
8
"
12"
6"
VARIES (3'-8" MIN.)
#4 B
AR
S
12" O
.C
.E
.W
.
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D21
TWO GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L
A
N
1.
ALL LA
PS
A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL B
E
36 B
AR
D
IA
ME
TE
RS
U
NLE
SS
NO
TE
D O
TH
ER
WIS
E.
2.
TA
CK
W
ELD
G
RA
TE
S IN
P
LA
CE
.
3.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
ALL,
BU
T S
HA
LL N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
4.
ALL C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
B
SE
CT
IO
N B
#4 B
AR
S
12" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
SM
OO
TH
H
AR
D S
UR
FA
CE
.
SE
E N
OT
E 3
6"
18"
6"
18"6" 6"
6"
31
1
8
"
6"
7'-10 1/2"
31
1
8
"
12"
6"
VARIES (3'-8" MIN.)
#4 B
AR
S
12" O
.C
.E
.W
.
ST
AN
DA
RD
G
RA
TE
F
RA
ME
31
1
8
"
6"
7'-10 1/2"
6"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D22
THREE GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L
A
N
1.
ALL LA
PS
A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL B
E
36 B
AR
D
IA
ME
TE
RS
U
NLE
SS
NO
TE
D O
TH
ER
WIS
E.
2.
TA
CK
W
ELD
G
RA
TE
S IN
P
LA
CE
.
3.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
ALL,
BU
T S
HA
LL N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
4.
ALL C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
B
SE
CT
IO
N B
#4 B
AR
S
12" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
SM
OO
TH
H
AR
D S
UR
FA
CE
.
SE
E N
OT
E 3
6"
38
1
4
"
6" 6"
6"
6"
5'-2 1/4"
31
1
8
"
12"
6"
VARIES (3'-8" MIN.)
#4 B
AR
S
12" O
.C
.E
.W
.
ST
AN
DA
RD
G
RA
TE
F
RA
ME
31
1
8
"
S4
X
7
.7
(5
'-8
1
/4
" L
ON
G)
19
1
8
"19
1
8
"
38
1
4
"
6"
6"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D23
FOUR GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L
A
N
1.
ALL LA
PS
A
ND
E
XT
EN
SIO
N O
F
RE
IN
FO
RC
IN
G B
AR
S S
HA
LL B
E
36 B
AR
D
IA
ME
TE
RS
U
NLE
SS
NO
TE
D O
TH
ER
WIS
E.
2.
TA
CK
W
ELD
G
RA
TE
S IN
P
LA
CE
.
3.
PIP
E M
AY
B
E P
LA
CE
D IN
A
NY
W
ALL,
BU
T S
HA
LL N
OT
E
NT
ER
A
NY
CO
RN
ER
O
R B
OT
TO
M.
4.
ALL C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
B
SE
CT
IO
N B
#4
B
AR
S
12
" O
.C
.E
.W
.
1
2
" M
OR
TA
R F
IN
IS
H, T
RO
WE
L T
O A
SM
OO
TH
H
AR
D S
UR
FA
CE
.
SE
E N
OT
E 3
6"
38
1
4
"
6" 6"
6"
31
1
8
"
6"
8'-10 1/2"
31
1
8
"
12"
6"
VARIES (3'-8" MIN.)
#4
B
AR
S
12
" O
.C
.E
.W
.
ST
AN
DA
RD
G
RA
TE
F
RA
ME
31
1
8
"
S4
X
7
.7
(9
'-4
1
/2
" L
ON
G)
19
1
8
"19
1
8
"
38
1
4
"
6"
6"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D24
SIX GRATE INLET
DEPARTMENT OF ENGINEERING
NO
TE
S :
P L A
N
1.
GR
AT
E A
ND
F
RA
ME
S
HA
LL
B
E
PA
TT
ER
N N
o. 8
14
A
S M
AN
UF
AC
TU
RE
D
BY
B
AS
S A
ND
H
AY
ES
F
OU
ND
RY
O
R
AP
PR
OV
ED
E
QU
AL
.
2.
AL
L C
AS
T IR
ON
F
IT
TIN
GS
S
HA
LL
B
E D
OM
ES
TIC
.
SE
CT
IO
N A
A
B
SE
CT
IO
N B
9"
0"
2'-6
"
ST
AN
DA
RD
G
RA
TE
F
RA
ME
ST
AN
DA
RD
D
RO
P IN
LE
T
4"
P L A
N
SE
CT
IO
N C
C
GR
AT
E D
ET
AIL
18"
1
2
"
#4
B
AR
S
12
" O
.C
.E
.W
CO
NS
TR
UC
TIO
N JO
IN
T
ST
AN
DA
RD
IN
LE
T
FR
AM
E &
C
OV
ER
#4
B
AR
S
12
" O
.C
.E
.W
6" 7" 31" 6"
9"
4'-2" USUAL
D
6"
1-6
" O
R 2
'6
"1
-6
" O
R 2
'
4' O
R 5
'
ST
RA
IG
HT
B
AR
S
BE
NT
B
AR
S
5"
5"
2
7
8
"
1
1
8
"
18
"
1
1
8
"
2'-7
1
/8
"
2'-6
"
1
1
8
"
2'-8
1
/4
"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D25
GRATE DETAIL
STANDARD DROP INLET
DEPARTMENT OF ENGINEERING
GENERAL NOTES FOR OPEN CHANNELS
1. CONSTRUCTION JOIONT SHOWN FOR CONVENIENCE ONLY.
MONOLITHIC CONSTRUCTION MAYBE USED.
2. ALL VISIBLE SURFACES SHALL BE TROWEL FINISH.
3. ALL REINFORCING STEEL SHALL BE 3/8" DIAMETER AND
SPACED 12" C TO C BOTH WAYS UNLESS OTHERWISE SPECIFIED.
4. TYPE I CHANNEL, A NATURAL CHANNEL, IS SHOWN FOR
LOCATION OF ADJUSCENT STREETS.
5. IF WOOD FORMS ARE USED WITH CONSTRUCTION JOINT, THEY SHALL BE
TWO, 2" X 4" AND SHALL NOT BE REMOVED UNTIL CONCRETE ON SLOPES
IS READY TO BE PLACED.
6. ALL CONCRETE IN LINED CHANNEL SHALL BE CLASS "A"
7. FLAT BOTTOM TO BE CONSTRUCTED WHEN CHANNEL WIDTH IS LESS THAN 12'.
8. 3/4" CHAMPER ON ALL CONCRETE CORNERS.
9. GRASS COVER REQUIRED FOR ALL SLOPES 3:1 OR FLATTER. CONCRETE
RIP-RAP REQUIRED ON SLOPES STEEPER THAN 3:1.
TYPE I - NATURAL
R O
W
R O
W
DESIGN W.S.
S
O
D
D
E
D
A
R
E
A
1
3
MAXIMUM
4
1
RECOMMENDED
1
:
1
S
L
O
P
E
30' MAX. 10' MIN.
SEE NOTE 7
10'
1' FREEBOARD
RECOMMENDED
MAX. d=12'
SEE PILOT CHANNEL DETAIL
NOTE:
A PARALLEL STREET IS RECOMMENDED
EACH SIDE OF TYPE I CAHNNEL. THE
AREA BETWEEN THE STREETS SHOULD
BE DEDICATED TO PUBLIC USE.
1' X 1' GRAVEL
CONTINUOUS
TYPE II - UNLINED WITH LINED PILOT CHANNEL
PILOT CHANNEL DETAIL
ALTERNATE EDGE
1' X 1' GRAVEL
CONTINUOUS
3
/4
"
/F
T
.
6"
10' MIN.
#3 BARS 12" O.C.
BOTH WAYS
3"
8"
1/2
"/F
T.
MIN
1'
STREET
9.5' MIN.
11.5 USUAL
15' MIN.STREET
9.5' MIN.
11.5 USUAL
15' MIN.
R O
W
R O
W
1' M
IN
.
8"
8
"
SEE ALTERNATE EDGE
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D026
TYPE I & TYPE II
CHANNEL SECTION
DEPARTMENT OF ENGINEERING
DETAIL A
DESIGN WATER SURFACE
C
L
GENERAL NOTES FOR OPEN CHANNELS
3
"
3
"
6
"
3"
3"
14
"
R
2
'
3'9"
3/4"
2'
12"
JOINT FILLER
1. CONSTRUCTION JOIONT SHOWN FOR CONVENIENCE ONLY. MONOLITHIC
CONSTRUCTION MAYBE USED.
2. ALL VISIBLE SURFACES SHALL BE TROWEL FINISH.
3. ALL REINFORCING STEEL SHALL BE 3/8" DIAMETER AND SPACED 12" C TO C
BOTH WAYS UNLESS OTHERWISE SPECIFIED.
4. IF WOOD FORMS ARE USED WITH CONSTRUCTION JOINT, THEY SHALL BE
TWO, 2" X 4" AND SHALL NOT BE REMOVED UNTIL CONCRETE ON SLOPES
IS READY TO BE PALCED.
5. ALL CONCRETE IN LINED CHANNEL SHALL BE CLASS "A"
6. FLAT BOTTOM TO BE CONSTRUCTED WHEN CHANNEL WIDTH IS LESS THAN 12'.
7.
8. 3/4" CHAMPER ON ALL CONCRETE CORNERS.
9. GRASS COVER REQUIRED FOR ALL SLOPES 3:1 OR FLATTER. CONCRETE RIP-RAP
REQUIRED ON SLOPES STEEPER THAN 3:1.
1-1
/2
"
1-1/2"
2"
CHANNEL SECTION
TRANSVERSE EXPANSION JOINT
CONSTRUCTION JOINT (OPTIONAL)
3' MINIMUM
4' RECOMMENDED
1'
1' M
IN
. NATURAL GROUND ELE.
MA
X. L
IN
ED
D
EP
TH
=1
0'
L
A
P
1
5
"
2
'
M
I
N
.
12"
BOTTOM WIDTH
2" WEEP HOLES AT 12" C-C
CORE DRILL OR FORM WEEP HOLES
EXTEND GRAVEL TO WEEP HOLES.
CRUSHED STONE OR GRAVEL
TRENCH ALONG EACH SIDE
OF CHANNEL.
3:1 MAX.
4:1 RECOMENDED
SEE DETAIL A
NO V-INVERT IF
BOTTOM WIDTH IS
12' OR LESS
1
.
5
:
1
S
L
O
P
E
M
A
X
.
SPACED 12" C-C.
SLEEVE FOR DOWEL SHALL
HAVE AN INSIDE DIAMETER
OF 7/8" AND SHALL BE 5" LONG.
3/4" DIAMETER BARS SPACED 21" C-C
SHALL SERVE AS DOWELS. DOWELS
SHALL BE ASPHALT COATED 12" ON
THE FREE END.
12
"
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DATE:
JULY 1991
REV DATE:
AUG. 2006
SHEET :
SD-D027
TYPE III NORMAL
CHANNEL SECTION
DEPARTMENT OF ENGINEERING
#3 BARS
#3 BARS
REINFORCING BARS
SHALL BE #3 BARS
18" C-C EACH WAY
FOR FURTHER INFORMATION,
SEE TxDOT DETAILS
OUTLET FROM PIPES HEADWALLS NEED TO HAVE ADEQUATE
EROSION PROTECTION
USE FORMULA L=0.37 VD
L=LENGTH OF APRON (FT), V=OUTLET VELOCITY FLOW (FPS),
D=DIAMETER OF PIPE (FT)
A) 2 - 5 FPS SOD PROTECTION AT THE OUTLET.
B) 5 - 8 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)C) 8 - 11 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
D) 11 - 18 FPS GROUTED RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
E) >18 FPS ADEQUATE ENERGY DISSIPATERS
REINFORCING BARS SHALL BE #3 BARS ON 18" C-C EACH WAY
SLOPE 3:1
ROCK OR CONCRETE
RUBBLE (MIN. 3') AS
REQUIRED FOR EROSION
4" 8" 9"
1'-9"
12
"6
"D
IA
ME
TE
R
DIAMETER
4"
8"
9"
1'-9
"
SECTION A
A
P L A N
SD-D28AUG. 2006
REV DATE: SHEET:DATE:
JAN 1999
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
DEPARTMENT OF ENGINEERING
TYPE "A" HEADWALL
FOR FURTHER INFORMATION,
SEE TxDOT DETAILS
ROCK OR CONCRETE
RUBBLE (MIN. 3') AS
REQUIRED FOR EROSION
OUTLET FROM PIPES HEADWALLS NEED TO HAVE ADEQUATE EROSION
PROTECTION
USE FORMULA L=0.37 VD
L=LENGTH OF APRON (FT), V=OUTLET VELOCITY FLOW (FPS), D=DIAMETER OF
PIPE (FT)
A) 2 - 5 FPS SOD PROTECTION AT THE OUTLET.
B) 5 - 8 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
C) 8 - 11 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
D) 11 - 18 FPS GROUTED RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
E) >18 FPS ADEQUATE ENERGY DISSIPATERS
REINFORCING BARS SHALL BE #3 BARS ON 18" C-C EACH WAY
SLOPE 3:1
12"
6"
2:1 D
RO
P
3'
DIAMETER
18"
12"
2:1 D
RO
P
6"
6"
DIA
ME
TE
R
12" DIAMETER 12"
6
"
1
2
0
°
1
2
0
°
8"
6"
6"
6"
1" CHAMPER
6" 8"
6"
20"
P L A N
SIDE VIEW
FRONT VIEW
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
SD-D29AUG. 2006
REV DATE: SHEET:DATE:
JAN 1999
TYPE "B" HEADWALL
ALL CONCRETE SHALL BE CLASS "A"
R.C.P.
OUTLET FROM PIPES HEADWALLS NEED TO HAVE ADEQUATE
EROSION PROTECTION
USE FORMULA L=0.37 VD
L=LENGTH OF APRON (FT), V=OUTLET VELOCITY FLOW (FPS),
D=DIAMETER OF PIPE (FT)
A) 2 - 5 FPS SOD PROTECTION AT THE OUTLET.
B) 5 - 8 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
C) 8 - 11 FPS DRY RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
D) 11 - 18 FPS GROUTED RIP-RAP (TYPE B, ITEM # 803.3 NCTCOG)
E) >18 FPS ADEQUATE ENERGY DISSIPATERS
REINFORCING BARS SHALL BE #3 BARS ON 18" C-C EACH WAY
8" 6" 8"
TOE WALL
CHANNEL SLOPE 3:1 MAX.
PIP
E O
.D
. +
6'
3' M
IN
.
1'-6"
3
"
6
"
8"
6"
5' MIN.
1'-6"
2' MIN. BELOW
FL OF PIPE
REINFORCING SHALL BE #3 BARS
@ 18" C-C EACH WAY
TYPICAL CORNER BARS
1"
1"
TOE WALL
8"
1/2" CHAMPER
FL CREEK OR CHANNEL
2' MIN. BELOW FL PIPE
ROCK OR CONCRETE
RUBBLE(MIN.3') AS
REQUIRED FOR
EROSION CONTROL
8"
SECTION A
A
P L A N
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
SD-D30AUG. 2006
REV DATE: SHEET:DATE:
JAN 1999
TYPE "C" HEADWALL
DETENTION POND
CONC. FLUME IN THE BACK OF LOTS*
CONC. FLUME WITH GRATE COVER*
4
1
CONC. FLUME (CURBS REQUIRED AT CULVERT OUTFALL)*
TO COVER WIDTH OF PIPE AS SHOWN.
BOLT PLATE TO OUTSIDE WALL FACE
OF THE PROPOSED HEADWALL WITH
1/4"x3" LONG STAINLESS STEEL
BOLTS AT EACH CORNER OF PLATE
1/4" THICK GALVANIZED STEEL PLATE
RESTRICTOR PLATE DETAIL
4-¼"x3" STAINLESS STEEL BOLTS
BASE OF HEADWALL
WIDTH & HEIGHT TO COVER 30"
RCP PIPE AND FIT WITHIN
HEADWALL DIMENSIONS
*FOR ALL FLUMES THE MINIMUM SLOPE WILL BE 0.75%
4
1
6" 2'-0" 6"
6"
2.5
"
2.5
"
5"
6"
6"
6" 2'-0" 6"
3'-0" 3'-0" 3'-0" 3'-0"
6'-0"
4"
4"
INSTALL 1"-3" GRAVEL
WITH FILTER FABRIC
FILTER FABRIC
COMPACTED BACK FILL
#3 BARS @
24" O.C.E.W.
3'
4" 3000 PSI
CONCRETE
PAVEMENT
#3 BAR
(TYP)12"
O.C.
6" 3600 PSI
CONCRETE
6" CURB
EXPANSION
JOINT
PROPOSED
SIDEWALK
1
4
" X 2" ANCHOR
BOLT(4- REQD.)
2'-2" X 5'-0" X 3/8" STEEL
CHECKERED THREAD PALTE
GALVANIZED COATED
#3 BAR @ 12"
O.C.E.W.
1/4" GALVANIZED
STEEL PLATE
30
" R
PC
34"
20
"1
7.4
"
DEPARTMENT OF ENGINEERING
STANDARD CONSTRUCTION DETAILS
STORM DRAINAGE
SD-D31AUG. 2006
REV DATE: SHEET:DATE:
AUG. 2003
STORM RELATED FLUMES