13-Drawings.pdf
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- Attached to
- ITB - Channel Erosion Repairs for Rolling Fork for the Harris County Flood Control District
- Solicitation number
- 26/0054
- Issued by
- Harris County, Texas
About this file
This is a set of construction drawings for the Harris County Flood Control District (HCFCD) Channel Erosion Repairs project for Rolling Fork, located in Harris County, Texas (Project ID E125-00-00-X011). The project encompasses channel erosion repairs along Rolling Fork, spanning approximately 6 stations from STA 18+35 to STA 46+00, with work areas concentrated along Bobby Jack Lane, Mauna Loa Lane, and Rodney Ray Boulevard. The scope of work includes removal and disposal of existing corrugated metal pipes (CMP) ranging from 18 inches to 42 inches in diameter, installation of new CMP and reinforced concrete pipe (RCP) outfalls, construction of interceptor structures with backslope swales, riprap placement for erosion control, tree clearing and protection, and implementation of storm water pollution prevention practices. The drawings comprise 33 sheets containing location maps, plan and profile views, cross-sections, details for interceptor structures, storm sewer outfalls, manhole installations, and traffic control plans. Construction details address site-specific conditions including existing utilities, easements, trees requiring protection, and residential encroachments requiring removal.
The project involves comprehensive erosion control and channel stabilization work with multiple construction details and specifications for pipe installation, concrete structures, and riprap applications. Drawings indicate the presence of existing utility infrastructure including natural gas lines, water mains, sanitary and storm sewers, electrical lines, and telecommunications cables that must be coordinated during construction. Site preparation requires clearing and grubbing of vegetation along the channel reach, with specific tree protection measures detailed for trees to be preserved. Contractor responsibilities include maintaining unobstructed drainage in existing ditches and culverts, implementing inlet protection barriers and sediment control measures per TPDES Construction General Permit requirements, and coordinating with utility providers including CenterPoint Energy for gas line work at least 48 hours prior to construction commencement. Traffic control plans indicate work on a 30 mph posted speed roadway with required lane closures and traffic management devices. The drawings reflect design standards consistent with HCFCD specifications and include provisions for low water crossings and construction access points along the project corridor.
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TOM S. RAMSEY, P.E.
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CHRISTINA (TINA) PETERSEN, PHD, P.E.EXECUTIVE DIRECTOR
LESLEY BRIONES
RODNEY ELLIS
ROLLING FORK CHANNEL EROSION REPAIRS
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O S
E H
E A
D
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R W
E N
T
CREEK
VISTA
Greens
R O
C K
L A
N D
.5
BRI
TTANYG
REENV
ALE
SUTTER
C O
L O
N
IA
L
T R
L B
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T
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IS
T O
L
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O NBayou
G R E E N
SC
U T
T E
N
P
IN
O L E
C L
O V
E R
C O
N E S
T O
G A
SEEG
ERS
B L
U
R U
C E
D O
U G
L
IR
B O
X E
L D
E
RC
O R
O L
A
WOODLAND
C
ASTLE
W
IL
K E
N B
U R
G
C O
U R
T C
L
IF
F
V
IL
T S
GROVEG
LADE
OAK FALLS
GREEN PINES
M E
A D
O W
W
IL
L G
U S
G A L
B R
E A T
H
B O
U R
G E
O
IS
P L
A Z
A
F
IR
S T
White Oak
1 1
L O
C A
T
P
C H
A N
N
O S I O
P
A I R
S R
O L L
R K
N.T.S.
TATE
Y
BELT
WAY
S
TA
TE
Y
PROJECT REACH
E125-00-00-X011
3 33
4 33
5 33
6 33
7 33
H C
F C
D
D G
N
P P
E
X
E
X
S h e t y o u t .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
EROSION AREA
10+00
11+
12+00 13+00
14+00 15+00 16+00
17+00 18+00
19+00 20+00
21+00 22+00 23+00
24+00 25+00
26+
27+00 28+00 29+00 30+00 31+00 32+00 33+00 34+00
R O
D N
V D
R .O .W
P
IP
E
H E
D G
E
H E
D
34+00 35+00
36+00 37+00 38+00
39+0
40+00 41+0
+0
+0
+0
45+00 46+00
SHEET 9 SHEET 10 SHEET 11
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
0 400
SCALE
1"=200' (H)
SHEET 12 SHEET 13
S H
E
Y O
E12 5-00-
M A
T
A
M A
T
A
E125-00-00
1 1
M A
U
N E
B O
B B
Y
J
A
N E
R O
D N
V D
8 33
.1
.6
.5
.2
.0
.7
.7
.2
.5
.6
.0
.8
.0
.8
.3
.5
.1
.3
.4
.0
.6
.3
.6
.5
.6
.8
.4
.9
.3
.3
.9
.5
.5
.2
.4
.9
.0
.5
1 1 .5
.0
.0
.6
.3
.3
.4
.4
.5
.2
.9
.8
.9
.8
.5
.8
.7
.7
.4
.2
.4
.7
.2
.4
.4
.7
.9
.9
.9
.4
.6
.9
.4
.7
.4
.9
.9
.2
.7
.3
.1
.9
.0
.2
.3
.3
.0
.2
.7
.0
.6
7 9 .9
.4
.0
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.4
.5
.0
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.4
.0
.8
.5
.2
.4
.0
.7
.5
.9
.7
.1
.2
.0
.9
.7
.9
.6
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.7
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.3
.0
.1
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.6
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.9
.3
.2
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.5
.6
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.0
.4
.3
.3
.8
.3
.4
.9
.5
.3
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.8
.0
.6
.0
.8
.7
.6
.3
.4
.4
.1
.8
.8
.7
.3
.8
.5
.1
.7
.4
.8
.8
.9
.3
.5
.3
.8
.5
.9
.6
.5
.3
.1
.4
.5
.7
.1
.4
.1
.3
.7
.3
.2
.4
.5
.2
.5
.1
.0
.9
.0
.8
.7
.7
.5
.4
.6
.8
.1
.1
.8
.7
.1
.0
.7
.9
.4
.4
.3
.8
.6
.7
.3
.9
.9
.8
.1
.2
.5
.1
.2
.1
.2
.4
.9
.3
.7
.4
.9
.8
.0
.9
.6
.6
.9
.8
.3
.7
.0
.4
.6
.0
.0
TOE OF SLOPE
TOP OF BANK
TOP OF BANK
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
EROSIO
N
AREA
B O
B B
Y
J
A
N E
P
H C
F C
D
D G
N
P P
E
X
E
X
P P .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=50' (H)
1"=10' (V)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
20+0017+00 18+00 19+00 21+00 22+0020+0017+00 18+00 19+00 21+00 22+00
16+00 17+00 18+00 19+00 20+00 21+00 22+00
P L
O F
IL
E
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
FL=91.94 (24" W)
FL=94.59 (24" E)
FL=95.74 (24" N)
TR=100.34
STM. M.H.
FL=95.85 (24" S)
FL=95.95 (18" N)
TC=100.35
BB INLET
FL=96.59 (18" S)
TC=100.29
BB INLET
M
K
K
E
M
E
E
E E
M
M
K
E
M
E
K
K
K
C K
B E
R R
Y
E
C A
N
E
K
C A
N
E
E
C A
N
K
C K
B E
R R
Y
C K
B E
R R
Y
K
E
C K
B E
R R
Y
L M
K
K
K
E
E
K
K
E
K
C A
N
K
K
K
C A
N
C A
N
P O
W
L E
M
LIFT STATION
K
VOL. 185, PG. 76, H.C.M.R.
SEC. 2
ROLLING FORK
UNRESTRICTED
RESERVE "A"
F N
D
IR
C K
B E
R R
Y
P O
W
L E
E
R T
L E
E
R T
L E
M
P O
W
L E
D O
Y
E
R T
L E
K
E
R T
L E
P R
E S
S
E
R T
L E
E
R T
L E
C K
B E
R R
Y
L L
O W
E
R T
L E
L L
O W
C K
B E
R R
Y
E
E
R T
L E
B O
R E
H O
L E
P O
W
L E
A
D E
S T
A L
T E
L E
P H
O
D E
S T
A L
C A
N
E
C K
B E
R R
Y
K
C K
B E
R R
Y E
L E
C
B O
X
P O
W
L E
S T
M
M .H
B B
IN
L E
T
S T
S T
B B
IN
L E
T
W A
T
L V
E
C A
N
E L E
C
B O
X
A
D E
S T
A L
P O
W
L E
U S
T R
U M
C A
D E
S T
A L
K
C K
B E
R R
Y
P O
W
L E
L L
O W
L L
O W
LOT 26
VOL. 251, PG. 98, H.C.M.R.
SECTION 4
ROLLING FORK
C A
N
P O
W
L E
C E
N T
E R
P O
IP
E L
R K
E R
C K
B E
R R
Y
L L
O W
L L
O W
L L
O W
L L
O W
E
C K
B E
R R
Y
A R
E
E
E
WOOD F
ENCE
WOOD FENCE
LOT 27
LOT 28LOT 29
WOOD FENCE WOOD FENCE
CL D
ITCH
CL DITCH
CHAINLINK FENCE
WOOD FENCE
WROUGHT IRON FENCE
P
P
T
EROSIO
AREA
P
P
E N
E R
G
S
N T E
R P
O
S
A N
S W
R
S
A N
S W
R
TR=102.72
STM. M.H.
B E
A
E N
E R
G
S
N T E
R P
O
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
FENCE
TREE PROTECTION
BACKSLOPE SWALE
GRANULAR FILL
PROP. 3"x5"
M A
T
A . 2
LINE ESMT.
10' WATER
E125-00-00
16' UTILITY ESMT.
ESM
T.
16' UTILITY
E S
M T
' U
T
IL
IT
Y
ESM
T.
20' UTILITY
E S
M T
' U
T
IL
IT
Y
ESMT.
16' UTILITY
LINE ESMT.
10' WATER
E S
M T
U T
IL
IT
Y
ESM
T.
30' PIPELINE
SURFACE
EXIST. WATER
L
T.O.B. WEST
T.O.B. EAST
HCFCD ESMT.
HCFCD E
SMT.
HCFCD E
SMT.
HCFCD ESMT.
B
O B
B Y
J A
C K
L
A N
E
OH ELECTRIC
CAUTION!!
1 5
24" CMP
24" CMP
42" CMP
PROP. GRADE #1 RIPRAP
PROP. EXCAVATION
#1 RIPRAP
PROP. GRADE
PROP. 24" CMP
18" SAN. SWR
PROPOSED FLOWLINE @ 0.50%
PROP. 42" CMP
ELEV. 88.80
CABLE
AT&T BURIED
ELECTRIC
BURIED
ENERGY
CENTERPOINT
ELECTRIC
BURIED
ENERGY
CENTERPOINT
ENERGY IP GAS
12" CENTERPOINT
ELECTRIC
BURIED
ENERGY
CENTERPOINT
2" IP GAS
CENTERPOINT ENERGY
2" IP GAS
CENTERPOINT ENERGY
INTERCEPTOR STRUCTURE.
TYPICAL BACKSLOPE
CMP. INSTALL 24" CMP WITH
REMOVE AND DISPOSE OF 24"
INSTALL 42" CMP AND TYPE C MANHOLE.
REMOVE AND DISPOSE OF 42" CMP TO ROW.
STA. 21+44
STA. 21+15 TO
ENCROACHMENT
REMOVE FENCE
STA. 21+73
STA. 21+44 TO
ENCROACHMENT
REMOVE FENCE
INSTALL 24" CMP.
OF 24" CMP TO MANHOLE.
REMOVE AND DISPOSE
EXIST. GRADE AT PROPOSED C
PROP. TOP OF BANK
PROP. TOE OF SLOPE
PROP. TOE OF SLOPE
PROP. TOP OF BANK
E S
M T
' H
C F
C D
BEGIN STA. 18+35
24" CMP
PROP.
LBEGIN EXIST. GRADE AT PROPOSED C
2" IP PLA GAS
ENERGY
CENTERPOINT
EXIST. FL
ELEV. 86.98
STA. 18+35
MATCH EXISTING
EQUIPMENT IS ALLOWED IN THIS AREA.
AND GRADE NO. 1 RIPRAP BY HAND. NO MECHANIZED
CONTRACTOR SHALL PLACE ALL 3"X5" GRANULAR FILL
AND 5 FEET ON EITHER SIDE (30 FEET TOTAL),
AT CENTERPOINT ENERGY GAS LINE, SANITARY SEWER
GAS LINE
UNDERGROUND
CAUTION!!
2.
1.
OUTFALL.
THE REPLACEMENT OF THE LIFT STATION'S
AT LEAST 48 HOURS PRIOR TO
IVY & ASSOC., INC. AT (281) 651-1618
ROLLING FORK PUD OPERATOR M. MARLON
CONTRACTOR SHALL CONTACT
COMMENCEMENT OF WORK.
ENERGY AT LEAST 48 HOURS PRIOR TO
CONTRACTOR SHALL CONTACT CENTERPOINT
ARE CALLED OUT ON THE PLANS.
REQUIRED FOR CLEARING AND GRUBBING
TREES AND VEGETATION THAT ARE
SITE PREPARATION AND RESTORATION.
GRUBBING IS INCIDENTAL TO 02200
PROTECTION FENCING. CLEARING AND
SHOWN AS PROTECTED WITH TREE
TO COMPLETE PROPOSED WORK UNLESS
ALL TREES AND VEGETATION REQUIRED
CONTRACTOR SHALL CLEAR & GRUB
3.
CONSTRUCTION NOTES:
9 33
.1
.7
.8
.5
.5
.4
.1
.7
.3
.5
.4
.4
.6
.6
.7
.5
.0
.5
.2
.6
.7
.6
.5
.3
.4
.7
.8
.6
.8
.9
.6
.3
.2
.8
.5
.4
.54
.7
.5
.5
.7
.4
.5
.2
4 9 .2
.5
1.
.7
.6
.3
.4
.2
.5
.2
.0
.0
.9
.9
.7
.2
.1
.7
.5
.0
.4
.9
.2
.0
.3
1.
1.
1.
1.
.9
.8
.2
.8
.4
.3
.3
.5
.4
.4
1.
1.
1.
.7
.6
1.
.0
.6
.5
1.
.1
.3
.8
.8
.4
.3
.2
.7
.0
.3
.8
.2
.4
1.
1.
1.
.9
.0
.6
.5
.6
.8
.0
.0
.8
.5
.6
.1
.9
.8
.7
.2
.2
.5
.3
.3
.0
.5
.3
.6
.7
.7
.9
.6
.7
.6
1.
.2
.2
.8
.6
.6
.4
.6
.8
.5
.1
1.
.7
1.
1.
.6
.6
1.
1.
.8
1.
1.
.3
.3
1.
.0
1.
.3
.2
1.
.0
1.
1.
1.
1.
.0
1.
.9
.9
.0 1.
1.
1.
1.
1.
.7
1.
1.
1.
.5
.9
1.
.5
.4
1.
.7
1.
.7
.8
1 9 1.
.8
1.
1.
.9
.6
.0
.9
1.
1.
.0
.6
.7
1.
.3
.7
.6
1.
.5
.7
.8
1.
.0
1.
.0
.2
1.
.6
.7
1.
.4
1.
.1
1.
.5
1.
.9
.8
1.
1.
.3
1.
1.
.3
1.
1.
1.
.5
.0
.3
.9
1.
.1
1.
.2
.3
.2
.2
.2
.1
.1
.2
.4
.6
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
P
H C
F C
D
D G
N
P P
E
X
E
X
P P .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=50' (H)
1"=10' (V)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
FENCE
TREE PROTECTION
BACKSLOPE SWALE
GRANULAR FILL
PROP. 3"x5"
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
25+00
22+00
23+00 24+00 26+00 27+00
28+00
25+00
22+00
23+00 24+00 26+00 27+00
28+00
22+00 23+00 24+00 25+00 26+00 27+00 28+00
P L
O F
IL
E
S T
A
A
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
C K
B E
R R
Y
P O
W E
R
P
O L E
LOT 30
K
K
G N
O L
IA
E
E
E
E
E
C K
B E
R R
Y
B B
IN
L E
T F
N D
IR
P O
W
L E
T .B .M
D O
Y
K
F N
D
IR
K
P L
O U
N D
FL=94.89 (24" E)
TC=99.19
BB INLET
LOT 29
E
E
E
E
R T
L E
F N
D
IR
P O
W
L E
C H
A N
N
D E
S T
A L
A
D E
S T
A L
W
C O
N C
P A
D
P O
W
L E
E
R T
L E
E
R T
L E
E
R T
L E
E
R T
L E
E
R T
L E
A
D E
S T
A L
C A
D E
S T
A L
F N
D
IR
E L E
C
B O
X
K
C K
B E
R R
Y
P O
W
L E
K
C K
B E
R R
Y
LOT 15
LOT 16LOT 17
E
R T
L E
LOT 18
A R
E
R T
L E
E
R T
L E
A R
A R
A R
E
R T
L E
LOT 19
C K
B E
R R
Y
C K
B E
R R
Y
C K
B E
R R
Y
A R
LOT 20
C K
B E
R R
Y
C K
B E
R R
Y
K
E
R T L E
K
LOT 21
C K
B E
R R
Y
CL DITCH
CL DITCH
E L E
C
B O
X
CL DITCH
P
P
U M
P
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
C A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
A
D E
S T
A L
M A
T
E
S
T A
M A
T
A
E125-00-00
AT&T BURIED CABLE
AT&T BURIED CABLE
SURFACE
EXIST. WATERL
T.O.B. WEST
T.O.B. EAST
E S
M T
U T
IL
IT
Y
HCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
H C
F
M T
OH ELECTRIC
CAUTION!!
KNAB FO POT .P
ORP
2 5
KNAB FO POT .PORP
KNAB FO POT .P
ORP
24" CMP 24" CMP
18" CMP
#1 RIPRAP
PROP. GRADE
PROP. EXCAVATION
PROP. GRADE #1 RIPRAP
ELEV. 89.09
STA. 22+58
MATCH EXISTING
PROP. 24" CMP
PROP. 24" CMP
PROP. 24" CMP
END STA. 22+58
PROPOSED FLOWLINE = 0.50%
2" IP GAS
CENTERPOINT ENERGY
2" IP GAS
ENERGY
CENTERPOINT
CAUTION!!
OF SLOPE
PROP. TOE
OF SLOPE
PROP. TOE
BACKSLOPE INTERCEPTOR STRUCTURE.
INSTALL 24" CMP WITH TYPICAL
REMOVE AND DISPOSE OF 24" CMP.
ELECTRIC
BURIED
ENERGY
CENTERPOINT
2" IP GAS
CENTERPOINT ENERGY
ELECTRIC
BURIED
ENERGY
CENTERPOINT
BACKSLOPE INTERCEPTOR STRUCTURE
INSTALL 24" CMP AND TYPICAL
AND CONCRETE STRUCTURE.
REMOVE AND DISPOSE OF 18" CMP
STA. 22+62 TO STA. 23+06
REMOVE FENCE ENCROACHMENT
STA. 26+53 TO STA. 26+72
REMOVE FENCE ENCROACHMENT
STA. 23+64
STA. 22+91 TO
ENCROACHMENT
REMOVE FENCE
E S
M T
U T
IL
IT
Y
STA. 26+73
ENCROACHMENT
REMOVE FENCE
CONSTRUCTION NOTES:
1.
VEGETATION
TREES AND
CLEAR & GRUB
ROOT PRUNING
VEGETATION
TREES AND
CLEAR & GRUB
EXIST. GRADE AT PROPOSED C
LEND EXIST. GRADE AT PROPOSED C
LEXIST. F
ELEV. 88.80
SEWER ESMT.
20' STORM
SWALE HIGH POINT
COMMENCEMENT OF WORK.
ENERGY AT LEAST 48 HOURS PRIOR TO
CONTRACTOR SHALL CONTACT CENTERPOINT
ARE CALLED OUT ON THE PLANS.
REQUIRED FOR CLEARING AND GRUBBING
TREES AND VEGETATION THAT ARE
SITE PREPARATION AND RESTORATION.
GRUBBING IS INCIDENTAL TO 02200
PROTECTION FENCING. CLEARING AND
SHOWN AS PROTECTED WITH TREE
TO COMPLETE PROPOSED WORK UNLESS
ALL TREES AND VEGETATION REQUIRED
CONTRACTOR SHALL CLEAR & GRUB
2.
STONE PLANTER ENCROACHMENT
REMOVE PLAYGROUND AND
POINT
SWALE HIGH
POINT
SWALE HIGH
RIPRAP.
TYPE C MANHOLE ANDGRADE #1
TO HCFCD ESMT. INSTALL 24" CMP,
REMOVE AND DISPOSE OF 24" CMP
10 33
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.0
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7 9 .7
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.0
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.2
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.2
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.8
.9
.3
.2
.2
.2
.0
.0
.0
.0
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.1
.6
.4
.3
.6
.9
.2
.2
.5
.6
.5
.9
.4
.7
.3
.2
.2
.2
.9
.7
.5
.5
.9
.7
.2
.0
.7
.1
.1
.2
.2
.8
.3
.2
.1
.2
.5
.6
.5
.8
.6
.3
.0
.5
.7
.5
.0
.1
.6
.9
.2
.3
.4
.7
.0
.9
.5
.2
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.1
.3
.1 .4
.7
.6
.7
.4
.5
.6
.2
.6
TOP OF BANK
TOE OF SLOPE
TOP OF BANK
TOE OF SLOPE
TOP O
F B
ANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE
P
H C
F C
D
D G
N
P P
E
X
E
X
P P .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=50' (H)
1"=10' (V)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
FENCE
TREE PROTECTION
BACKSLOPE SWALE
GRANULAR FILL
PROP. 3"x5"
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
30+0028+00 29+00 31+00 32+00 33+00 34+0030+0028+00 29+00 31+00 32+00 33+00 34+00
28+00 29+00 30+00 31+00 32+00 33+00 34+00
P L
O F
IL
E
S T
A
A
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
FL=96.78 (24" NE)
TC=101.28
BB INLET
FL=96.53 (24" NW)
FL=92.53 (60" W)
FL=96.73 (24" SW)
FL=92.58 (60" E)
TR=101.23
STM. M.H.
FL=90.10 (10" W)
FL=90.20 (10" E)
TR=102.30
SAN. M.H.
FL=93.89 (24" NW)
FL=93.84 (24" S)
TC=99.59
BB INLET
FL=94.15 (24" N)
TC=99.65
BB INLET
FL=93.71 (30" W)
FL=93.81 (24" SE)
FL=93.51 (24" E)
TR=99.61
STM. M.H.
FL=89.24 (10" W)
FL=89.34 (10" E)
TR=100.54
SAN. M.H.
FL=97.49 (24" SE)
TC=101.34
BB INLET
F N
D
IR
B B
IN
L E
T
S
IG
N
O D
P
O S
T
O D
P
O S
T
B B
IN
L E
T
M A
N H
O L E
M A
N H
O L E
K
K
VOL. 185, PG. 76, H.C.M.R.
SEC. 2
ROLLING FORK
LOT 23
P O
W
L E
C A
N
K A
D E
S T
A L
B
T L E
T E
L E
C
B O
X
LOT 22
T E
L E
P H
O
D E
S T
A L
F N
D
IR
S A
N
M .H
T E
L E
P H
O
D E
S T
A L
P O
W
L E
E L E
C
B O
X
C K
B E
R R
Y
LOT 20
P O
W
L E
E L E
C
B O
X
C K
B E
R R
Y
D E
S T
A L
W O
O D
F
E N
C E
D O
Y
C A
N
C O
M C
A
D E
S T
A L
C K
B E
R R
Y
D O
Y P
O W
L E
S A
N
M .H
C K
B E
R R
Y
T E
L E
P H
O
D E
S T
A L
U M
P D
O
Y
C K
B E
R R
Y
P O
W
L E
C K
B E
R R
Y
E
LOT 28
WOOD FENCE
C H
CL DITCHCL DITCH
WOOD FENCE
WOOD FENCE
CL DITCH
CL DITCH
CL DITCH
WOOD FENCE WOOD FENCE
WOOD FENCE
K
LOT 6
C K
B E
R R
Y
E
R T
L E
E
R T
L E
E
R T
L E
E
R T
L E
T
L E
LOT 9
L L
O W
L L
O W
L L
O W
L L
O W
LOT 10LOT 11LOT 12C
O
M C
A
U L T
P
A L
M
S H
S H
L M
L M
C K
B E
R R
Y
LOT 13
VOL. 251, PG. 98, H.C.M.R.
SECTION 4
ROLLING FORK
P
A L
M
B B
IN
L E
T
S
IG
N
O D
P
O S
T
M A
N H
O L E
O D
P
O S
T
M A
N H
O L E
B B
IN
L E
T
P
A L
M
K
LOT 21
P
P
P
18" CMP
24" CMP
24" CMP
N C
W A
L K
W O
L K
W A
Y
P
M E
T
T
T E
R
R
8" SAN SWR
S
A N
S
W R
T E
R
LOT 7LOT 8
H.C.M.R.
VOL. 185, PG. 76,
SEC. 2
ROLLING FORK
M A
T
A
M A
T
A
0E125-00-00
AT&T BURIED CABLE
AT&T BURIED CABLE
SURFACE
EXIST. WATER
L
T.O.B. WEST
T.O.B. EAST
E S
M T
U T
IL
IT
Y
E S
M T
ESMT.
10' UTILITY
ESMT.
30' DRAINAGE
E S
M T
' U
T
IL
IT
Y
HCFCD ESMT.
HCFCD E
SMT.
HCFCD ESMT.
HCFCD ESMT.
R .O .W
R .O .W
R .O .W
R .O .W
H C
F
M T
60' R.O.W.
M A
U N
A
L
O A
L
A N
E
3 5
KNAB FO POT .PORP
KNAB FO POT .PORP
24" CMP
24" CMP
54" CMP
60" CMP
AND WINGWALLS (4:1 SLOPE)
PROP. CONCRETE HEADWALL
#2 RIPRAP
PROP. GRADE
ELECTRIC
BURIED
ENERGY
CENTERPOINT
ELECTRIC
BURIED
ENERGY
CENTERPOINT
2" IP GAS LINE
CENTERPOINT ENERGY
EXIST. F
PROP. 60" RCP
PROP. 24" CMP
10" SAN SWR
RECORD DRAWINGS)
ROLLING FORK PUD
(APPROX. DEPTH PER
8" WATER
2" IP GAS LINE (DEPTH UNKNOWN)
CENTERPOINT ENERGY
CABLE
AT&T BURIED
WOOD FENCE
(ROLLING FORK PUD)
PEDESTRIAN BRIDGE
CAUTION!!
HEADWALL (2:1 SLOPE)
PROP. CONCRETE
1.25" IP GAS
CENTERPOINT ENERGY
2" IP GAS
CENTERPOINT ENERGY
INTERCEPTOR STRUCTURE.
TYPICAL BACKSLOPE
INSTALL 24" CMP WITH
STA. 31+44, 134' LT.
PROP. 24" CMP
STA. 28+86 TO STA. 33+50
REMOVE FENCE ENCROACHMENT
ENCROACHMENT
BIRD HOUSE
REMOVE
STA. 32+41
STA. 31+12 TO
ENCROACHMENT
REMOVE FENCE
CONSTRUCTION NOTES:
1.
VEGETATION
TREES AND
CLEAR & GRUB
U T
IL
IT
Y
INTERCEPTOR STRUCTURE.
24" CMP WITH TYPICAL BACKSLOPE
CMP AND INTERCEPTOR. INSTALL
REMOVE AND DISPOSE OF 24"
STA. 33+17, 27' RT.
COMMENCEMENT OF WORK.
ENERGY AT LEAST 48 HOURS PRIOR TO
CONTRACTOR SHALL CONTACT CENTERPOINT
ARE CALLED OUT ON THE PLANS.
REQUIRED FOR CLEARING AND GRUBBING
TREES AND VEGETATION THAT ARE
SITE PREPARATION AND RESTORATION.
GRUBBING IS INCIDENTAL TO 02200
PROTECTION FENCING. CLEARING AND
SHOWN AS PROTECTED WITH TREE
TO COMPLETE PROPOSED WORK UNLESS
ALL TREES AND VEGETATION REQUIRED
CONTRACTOR SHALL CLEAR & GRUB
2.
OF 18" CMP TO ESMT.
REMOVE AND DISPOSE
OF 24" CMPS
REMOVE AND DISPOSE
11 33
.3
.3
.4
.5
.5
.4
.3
.4
.3
.4
.7
.5
.5
.9
.7
.4
.3
.0
.3
.5
.8
.0
.3
.8
.0
.4
.6
.7
.6
.7
.5
.4
.7
.2
.6
.7
.7
.3
.2
.7
.1
.5
.4
.1
.8
.1
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.4
.8
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.4
.3
.0
.9
.3
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.6
.4
.7
.3
.2
.1
.2
.0
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.2
.9
.6
.3
.2
.2
.4
.9
.0
.1
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.2
.3
.4
.6
.6
.9
.6
.1
.0
.3
.4
.2
.3
.7
.5
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.2
.6
.7
.9
.9
.0
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.2
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.3
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.7
.8
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.8
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.8
.8
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.9
.2
.8
.2
.3
.4
.1
.8
.0
93.98
.6
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.1
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.1
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.2
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.9
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.3
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.1
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.8
.8
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.1
.0
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.3
.3
.2
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.0
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.3
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.0
.8
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.0
.8
.0
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.4
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.8
.1
P
H C
F C
D
D G
N
P P
E
X
E
X
P P .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=50' (H)
1"=10' (V)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
FENCE
TREE PROTECTION
BACKSLOPE SWALE
GRANULAR FILL
PROP. 3"x5"
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
35+00 40+00
34+00
36+00
37+00 38+00
39+0
35+00 40+00
34+00
36+00
37+00 38+00
39+0
34+00 35+00 36+00 37+00 38+00 39+00 40+00
P L
O F
IL
E
S T
A
A
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
C K
B E
R R
Y
P
IN
E
C K
B E
R R
Y
C K
B E
R R
Y
C K
B E
R R
Y
G U
S T
R U
M
S
P
IG
O T
C K
B E
R R
Y
G U
S T
R U
M
LOT 12
LOT 11
K
K
P O
W E
R
P
O L E
T E
L E P
H O
N E
P
E D
E S
T A
L
A T
T
P
E D
E S
T A
L
P
E C
A N
P
IN
E
D O
Y
K
P O
W E
R
P
O L E
P
IN
E
A T
T
P
E D
E S
T A
L
P
IN
E
E L E
C
B O
X
C K
B E
R R
Y
LOT 9
C K
B E
R R
Y
T E
L E P
H O
N E
P
E D
E S
T A
L
C O
M C
A
X
C K
B E
R R
Y
F N
D
IR
P O
W E
R
P
O L E
K
E
R T
L E
K
WOOD FE
NCE
WOOD
FE
NCE
WOOD FENCE
WOOD FENCE
WOOD F
ENCE
CL DITCH
CL DITCH
WOOD FENCE
CL DITCH
CL
DIT
CH
R R
IE
R
W O
O D
P
IC
IC
B L E
W O
O D
P
IC
IC
B L E
P
E C
A N
C K
B E
R R
Y
S
IG
N
P
IN
E
P
IN
E
K
T E
L E P
H O
N E
P
E D
E S
T A
L
P O
W E
R
P
O L E
T E
L E P
H O
N E
P
E D
E S
T A
L
C O
M C
A S
T
P
E D
E S
T A
L
L L
O W
P
E C
A N
K
K
T E
L E P
H O
N E
P
E D
E S
T A
L
C K
B E
R R
Y
L L
O W
LOT 2
L L
O W
T A
L
P
O L E
LOT 3
O D
P
O S
T E
L E
C
B O
X W
C O
N C
P A
D A
T T
P
E D
E S
T A
L
K
KLOT 4
WOOD FENCE
LOT 5
A T
T
P
E D
E S
T A
L
A T
T
P
E D
E S
T A
L
P L
A Y
G R
O U
N
LOT 10
C
M P
P
4" WATER
X
P
VOL. 251, PG. 98, H.C.M.R.
SECTION 4
ROLLING FORK
UNRESTRIC
TED
RESERVE "
F"
M A
T
A
M A
T
A . 4
ESMT.
10' UTILITY
20' UTILITY ESMT.
E12 5-
-0
AT&T BURIED CABLE
SURFACE
EXIST. WATER
L
T.O.B. WEST
T.O.B. EAST
ESMT.
10' UTILITY ESMT.
20' UTILITY
E S
M T
U T
IL
IT
Y
E S
M T
' U
T
IL
IT
Y
ESMT.
20' DRAINAGE
HCFCD ESMT.
HCFCD
ESMT.
HCFCD ESMT.
HCFCD
ESMT.
' H
C F
M T
OH ELECTRIC
CAUTION!!
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE O
F S
LOPE
TOP OF BANK
TOP O
F B
ANK
TOE O
F S
LOPE
TOE
OF
SLOPE
4 5
KNAB
FO
POT
PORP
18" CMP
24" CMP
GRADE #1 RIPRAP.
INSTALL 24" CMP AND
24" CMP TO MANHOLE.
REMOVE AND DISPOSE OF
ELECTRIC
BURIED
ENERGY
CENTERPOINT
EXIST. F
PROP. 24" CMP PROP. 24" CMP
PROP. 60" CMP
PROP. 24" CMP
48"X76" ELLIPTICAL CMP
TIMBER BENT AND GRADE #2 RIPRAP.
INSTALL 60" CMP, TYPE C MANHOLE,
48"X76" ELLIPTICAL CMP AND MANHOLE.
REMOVE AND DISPOSE OF
CABLE
BURIED
AT&T
GRADE #1 RIPRAP.
INSTALL 24" CMP AND
18" CMP TO MANHOLE.
REMOVE AND DISPOSE OF
INTERCEPTOR STRUCTURE.
AND OFFSITE DITCH
WTH COMBINATION BACKSLOPE
24" CMP. INSTALL 24" CMP,
REMOVE AND DISPOSE OF
1.25" IP GAS
CENTERPOINT ENERGY
INTERCEPTOR STRUCTURE.
TYPICAL BACKSLOPE
INSTALL 24" CMP WITH
STA. 35+10, 153' LT.
PROP. 24" CMP
STA. 34+73 TO STA. 35+57
REMOVE FENCE ENCROACHMENT
STA. 37+12 TO STA. 37+68
REMOVE FENCE ENCROACHMENT
ENCROACHMENTS
AND PICNIC TABLE
REMOVE PLAYGROUND
STA. 34+80 TO STA. 35+93
REMOVE FENCE ENCROACHMENT
STA. 39+55
STA. 38+60 TO
ENCROACHMENT
REMOVE FENCE
CONSTRUCTION NOTES:
1.
STA. 39+30 TO STA. 40+00
CONSTRUCTION ACCESS
MAINTENANCE BERM FOR
PRUNE TREE LIMBS ALONG
VEGETATION
TREES AND
CLEAR & GRUB
VEGETATION
TREES AND
CLEAR & GRUB
VEGETATION
TREES AND
CLEAR & GRUB
2.
COMMENCEMENT OF WORK.
ENERGY AT LEAST 48 HOURS PRIOR TO
CONTRACTOR SHALL CONTACT CENTERPOINT
ARE CALLED OUT ON THE PLANS.
REQUIRED FOR CLEARING AND GRUBBING
TREES AND VEGETATION THAT ARE
SITE PREPARATION AND RESTORATION.
GRUBBING IS INCIDENTAL TO 02200
PROTECTION FENCING. CLEARING AND
SHOWN AS PROTECTED WITH TREE
TO COMPLETE PROPOSED WORK UNLESS
ALL TREES AND VEGETATION REQUIRED
CONTRACTOR SHALL CLEAR & GRUB
12 33
.4
.3
.1
.8
.7
1.
.4
.6
.1
.0
.2
.4
.5
.6
.9
.1
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0 9 .6
.0
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.1
.1
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.7
.8
.2
.9
.3
.2
.2
.8
.7
.5
.2
.6
.1
.8
.8
.1
.9
.8
.7
.4
.9
.7
.1
.0
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.1
.5
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.6
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.4
.2
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.6
.1
.9
.4
.2
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.8
.8
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.4
.3
.8
.7
.6
.3
1.
.4
.2
.4
.3
.6
.9
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.7
.2
.2
.8
.2
.4
.5
.1
.8
.3
.4
.9
.5
.8
.1
.0
.9
.1
.9
.4
.7
.0
.1
.4
.3
.4
.0
.6
.7
.3
.3
.6
.4
.9
.6
.4
.0
.5
.0
.0
.9
.6
.4
.1
.3
.0
.9
.4
.8
.0
.0
.7
.9
.9
.5
.0
.7
.9
.2
.4
.9
.0
.8
.1
.7
.7
.6
1.
.4
.3
1.
.7
.1
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.0
.1
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.6
.5
.1
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.8
.3
.2
.3
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.5
.3
.8
.1
.3
.4
.8
.4
.5
.5
.6
.1
.9
.8
.7
.2
.0
.5
.6
.2
.0
.0
.0
.4
.8
.3
.3
.8
.9
.7
.3
.6
.5
.1
.0
.0
.7
.7
.6
.1
.6
.409
.1
.0 .0
.2
.1
.4
.7
93.4
.4
.2
.5
.0
.6
.6
.7
.0
.6
.6
.1
.5
.1
.5
6 9 .5
.2
.4
.3
.2
.9
.1
.2
.0
1.
.5
.8
.2
.3
.7
.4
.0
.9
.6
.3
.2
.6
.5
.2
.7
.8
.5
.3
.1
.7
.7
.0
.9
.0
.9
.3
.8
.3
1.
.9
.7
.1
.7
.2
.1
.3
.7
.5
.4
.2
.1
.1
.2
.4
.6
.1
.5
TOE OF SLOPE
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOP OF BANK
TOP OF BANK
TOE OF SLOPE
TOE OF SLOPE3
P
IP
E
H E
D G E
H E
D
H C
F C
D
D G
N
P P
E
X
E
X
P P .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=50' (H)
1"=10' (V)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
FENCE
TREE PROTECTION
BACKSLOPE SWALE
GRANULAR FILL
PROP. 3"x5"
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
40+00
45+00
41+00
42+00
43+00
44+00
46+00
40+00
45+00
41+00
42+00
43+00
44+00
46+00
40+00 41+00 42+00 43+00 44+00 45+00 46+00
P L
O F
IL
E
S T
A
D
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
(LID SEALED)
TR=105.07
STM. M.H.
FL=97.90 (30" W)
FL=96.10 (30" E)
TR=104.95
STM. M.H.
K
C O
N C
B A
S
IN
K
K
K
F N
D
IR
K
K
C A
N
K
S
IG
N
K
L
IG
A N
D A
R D
W
S
IG
N
P O
W
L E
W
N D
U
IT
W
C O
N C
P A
D
D O
Y
S T
M
M .H
E L E
C
B O
X
S
IG
N
W A
T
T E
R
B A
E V
E N
T O
R
W
M E
T
G E
IR
R
IG
A T
N T
R
L V
E
S T
M
M .H
T .B .M
A
U L T
C A
N
P O
W
L E
P O
W
L E
.5
N D
U
IT
D O
Y
P O
W
L E
E
R T
L E
C A
N
S
IG
N
CL DIT
CH
S
IG
N
D O
Y
K S
T M
M .H
F N
D
IR
K P
O W
L E
A
D E
S T
A L
S
IG
N
F N
D
IR
S
IG
N
E
R T
L E
W
M E
T
G E
IR
R
IG
A T
N T
R
L V
E S
W A
T
T E
R
B A
E V
E N
T O
R
R R
IE
R
CL DITCH
H A
N D
R A
IL
H A
N D
R A
IL
H A
N D
R A
IL
H A
N D
R
P
CMP
C
M P
C
M P
FL=97.59 (24" W)
FL=94.99 (24" SE)
TR=104.79
STM. M.H.
C M P
M A
T
A
E125 -00
-00
E S
M T
U T
IL
IT
Y
E S
M T
' U
T
IL
IT
Y
E S
M T
U T
IL
IT
Y
SURFACE
EXIST. WATER
L
T.O.B. WEST
T.O.B. EAST
HCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
R .O .W
R .O .W
R .O .W
R .O .W
H C
F
M T
' R .O .W
R O
D N E Y
R
A Y
B L V
D
5 5
KNAB FO POT .PORP
24" CMP
24" CMP
24" CMP
24" CMP
24" CMP36" CMP
GRADE #1 RIPRAP.
INSTALL 24" CMP AND
24" CMP TO MANHOLE.
REMOVE AND DISPOSE OF
URBAN INTERCEPTOR STRUCTURE.
CMP. INSTALL 24" CMP WITH
REMOVE AND DISPOSE OF 24"
STA. 40+36, 150' LT.
2" IP PLA GAS LINE
CENTERPOINT ENERGY
PROP. 24" CMP
EXIST. F
PROP. 24" CMP PROP. 24" CMP
(ATTACHED TO BRIDGE)
4" IP GAS LINE
CENTERPOINT ENERGY
COLLAR, AND GRADE #1 RIPRAP.
INSTALL 24" CMP, CONCRETE
24" CMP TO TOP OF BANK.
REMOVE AND DISPOSE OF
AT&T BURIED CABLE
AT&T BURIED CABLE
AT&T BURIED CABLE
ELECTRIC
BURIED
ENERGY
CENTERPOINT
OH ELECTRIC
CAUTION!!
CONSTRUCTION NOTES:
1.
2" IP GAS
CENTERPOINT ENERGY
E S
M T
S E
W E R
' S
T O
R M
STA. 40+00 TO STA. 42+00
CONSTRUCTION ACCESS
MAINTENANCE BERM FOR
PRUNE TREE LIMBS ALONG
24" CMP
2.
COMMENCEMENT OF WORK.
ENERGY AT LEAST 48 HOURS PRIOR TO
CONTRACTOR SHALL CONTACT CENTERPOINT
ARE CALLED OUT ON THE PLANS.
REQUIRED FOR CLEARING AND GRUBBING
TREES AND VEGETATION THAT ARE
SITE PREPARATION AND RESTORATION.
GRUBBING IS INCIDENTAL TO 02200
PROTECTION FENCING. CLEARING AND
SHOWN AS PROTECTED WITH TREE
TO COMPLETE PROPOSED WORK UNLESS
ALL TREES AND VEGETATION REQUIRED
CONTRACTOR SHALL CLEAR & GRUB
13 33
H C
F C
D
D G
N
P P
E
X
E
X
X S .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=20' (H)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
19+00
19+89 0 10 40 50 601020304060708090100110120130140150160 3020
21+00
50 0 10 40 50 601020304060708090100110120130140150160 3020
50 0 10 40 50 601020304060708090100110120130140150160 3020
50 0 10 40 50 601020304060708090100110120130140150160 3020
BASELINE
E S
M T
H C
F C
D
186' HCFCD ESMT.
BASELINE
32'
E S
M T
H C
F
M T
H C
F C
D
183' HCFCD ESMT.
BASELINE
47'
E S
M T
H C
F C
D
183' HCFCD ESMT.
BASELINE
66'
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
EXISTING GROUND
EXISTING GROUND
C
C
C
C
8'
8'
PROP. GRADE #1 RIPRAP
PROP. GRADE #1 RIPRAP
PROP. GRADE #1 RIPRAP
PROP. FILL
PROP. FILL
PROP. 3"X5" GRANULAR FILL
GRANULAR FILL
PROP. 3"X5"
PROP. 3"X5" GRANULAR FILL
CUT AREA
CUT AREA
CUT AREA
EL= 100.64'
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
GRANULAR FILL
PROP. 3"x5"
18+00
51.50'
HCFCD ESMT. VARIES
2.5
EL= 87.81'
EL= 87.81'
PROP. FL. = 87.31
34'
53'
33'
PROP. FILL
EL= 99.78' EL= 101.99'H
C F
M T
EL= 88.25' EL= 88.25'
PROP. FL. = 87.75
33'
53'
34'
EL= 102.30'
2.5
EL= 100.90'
EL= 88.80'
8' EL= 88.80'
37' 33'
53'
3 2
EL= 102.43'
EXISTING GROUND
BOBBY JACK LANE
EXISTING GROUND
PROP. FL. = 88.31
S H
E E
C R
O
C T
IO
N S
L
L
L
L
1 4
14 33
H C
F C
D
D G
N
P P
E
X
E
X
X S .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=20' (H)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
23+00 0 10 40 50 601020304060708090100110120130140150160 3020
25+00 0 10 40 50 601020304060708090100110120130140150160 3020
27+00 0 10 40 50 601020304060708090100110120130140150160 3020
29+00 0 10 40 50 601020304060708090100110120130140150160 3020
E S
M T
H C
F C
D
E S
M T
H C
F
42'
BASELINE
181' HCFCD ESMT.
E S
M T
H C
F C
D
E S
M T
H C
F
39'
180' HCFCD ESMT.
E S
M T
H C
F C
D
E S
M T
H C
F
45'
180' HCFCD ESMT.
E S
M T
H C
F C
D
E S
M T
H C
F
42'
180' HCFCD ESMT.
PROP. FILL
PROP. FILL
EL = 93.20
C
C
C 64'
71'
67'
1 1
4.5
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
PROP. FILL
PROP. FILL
C 77'
SWALE
BACKSLOPE
PROP. AREA
CUT
3.5
3.5
SWALE
BACKSLOPE
PROP.
PROP. FILL
3.5
3.5
EXIST. FL. = 89.37
EXIST. FL. = 90.16
EXIST. FL. = 90.14
EXIST. FL. = 90.75
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EL = 95.06
EL = 96.64
EL = 94.72
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
GRANULAR FILL
PROP. 3"x5"
EL = 101.17
EL = 104.45
SWALE
BACKSLOPE
PROP.
PROP. FILL
EL = 101.12
EL = 100.27
EL = 94.16
EL = 100.93 EL = 103.14
S H
E E
C R
O
C T
IO
N S
L
L
L 40'
L
45'46.5'
42'
41' 47.5'
2 4
15 33
H C
F C
D
D G
N
P P
E
X
E
X
X S .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=20' (H)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
31+00 0 10 40 50 601020304060708090100110120130140150160 3020
32+55
34+60 0 10 40 50 601020304060708090100110120130140150160 3020
37+00
80 80
50 0 10 40 50 601020304060708090100110120130140150160 3020
50 0 10 40 50 601020304060708090100110120130140150160 3020
E S
M T
H C
F C
D
180' HCFCD ESMT.
BASELINE
40' E
S M
T H
C F
M T
H C
F C
D
182' HCFCD ESMT.
BASELINE
59'
E S
M T
H C
F C
D
185' HCFCD ESMT.
BASELINE
39' E
S M
T H
C F
M T
H C
F C
D
190' HCFCD ESMT.
BASELINE
60'
ESMT
HCFCD
PROP. FILL
C
C
C
C
70'
3.5
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
PROP FILLEL = 102.25
SWALE
BACKSLOPE
PROP.
SWALE
BACKSLOPE
PROP.
PROP. FILL
EL = 95.49
SWALE
BACKSLOPE
PROP.
3.5
EXIST. FL. = 90.43
EXIST. FL. = 91.16
EXIST. FL. = 91.44
EXIST. FL. = 92.04
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EL = 96.55
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
GRANULAR FILL
PROP. 3"x5"
EL = 102.34
EL = 94.97
EL = 101.48
SWALE
BACKSLOPE
PROP.
46'
80.5'
52.5'
S H
E E
C R
O
C T
IO
N S
SWALE
BACKSLOPE
PROP.
L
L
L
L 46'
46'
39.5'
3 4
16 33
H C
F C
D
D G
N
P P
E
X
E
X
X S .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE
1"=20' (H)
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
39+00 0 10 40 50 601020304060708090100110120130140150160 3020
41+00 0 10 40 50 601020304060708090100110120130140150160 3020
43+40 0 10 40 50 6010203040 3020
45+00
70 9080 100 110 120 130 140 150 160 170
50 0 10 40 50 6010203040 3020 70 9080 100 110 120 130 140 150 160 170
E S
M T
H C
F C
D
184' HCFCD ESMT.
BASELINE
39' E
S M
T H
C F
M T
H C
F C
D
187' HCFCD ESMT.
BASELINE
37' E
S M
T H
C F
M T
H C
F C
D
152' HCFCD ESMT.
BASELINE
10' E S
M T
H C
F
M T
H C
F C
D
180' HCFCD ESMT.
BASELINE
8'
C
C
C
C
30'
28'
67'
82'
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
EXIST. FL. = 92.45
EXIST. FL. = 93.48
EXIST. FL. = 93.44
EXIST. FL. = 94.00
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EXISTING GROUND
EXIST RIPRAP
EXIST CONCRETE
PROP. FILL
PROP. RIPRAP
LEGEND
PROP. EXCAVATION
GRANULAR FILL
PROP. 3"x5"
S H
E E
C R
O
C T
IO
N S
SWALE
BACKSLOPE
PROP.
EL = 104.47
PROP. FILL
EL = 96.76
L
L
L
L
4 4
27.5'
17 33
18 33
LEGEND
NOTE:
LOW WATER CROSSING
S W
P P
P
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
B E
A
CL DITCH
CL DITCH
CL DITCH
CL DITCH
CL D
ITCH
EROSION A
REA
H C
F C
D
D G
N
P P
E
X
E
X
S W
P P
P
.d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
K A
H
SCALE
200100
1"=100'
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
W O
L K
W A
Y
C O
N C
W A
L K
10+0
15+00
20+00
11+
12+0 0 13+00
14+00
16+00
17+00
18+00
19+00
21+00
22+00
10+0
15+00
20+00
11+
12+0 0 13+00
14+00
16+00
17+00
18+00
19+00
21+00
22+00
10+0
25+00 30+00
22+00
23+00
24+00
26+0
27+00 28+00
29+00
31+00 32+00
33+00 34+00
25+00 30+00
22+00
23+00
24+00
26+0
27+00 28+00
29+00
31+00 32+00
33+00 34+00
M A
T
A
M A
T
A
M A
T
A
ROCK FILTER DAM
FD-2
E125-00-00
E125-00-00
B O
B B
Y
J
A
N E
M A
U
N E
1 2
F D
SOD
SOD
SOD
SOD
SOD
(SEE NOTE THIS SHEET)
LOW WATER CROSSING
SOD
INLET PROTECTION BARRIER
INLET PROTECTION SOD PANELS
IPB
IPB
SOD
IPB
IPB
IPB
IPB IPB
HCFCD ESMT.
R O
W
R O
W
HCFCD E
SMT.
HCFCD E
SMT.
HCFCD ESMT.
HCFCD ESMT.
R O
W
R O
W
R O
W
R O
WHCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
OF LOW WATER CROSSINGS.
SHALL DETERMINE FINAL LOCATIONS
SUGGESTED LOCATIONS. CONTRACTOR
LOW WATER CROSSINGS SHOWN ARE
19 33
NOTE:
LOW WATER CROSSING
S T
A
D
S W
P P
P
C H
A N
N
O S
P
A
IR
S
R O
L L
R K
LEGEND
P
IP
E
H E
D G
E
H E
D
H C
F C
D
D G
N
P P
E
X
E
X
S W
P P
P
.d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
K A
H
SCALE
200100
1"=100'
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
35+00 40+00
45+00
34+00
36+00
37+00 38+00
39+0
41+0
+0
+0
+0
46+00
35+00 40+00
45+00
34+00
36+00
37+00 38+00
39+0
41+0
+0
+0
+0
46+00
M A
T
A
E125-00-00
R O
D N
V D
2 2
SOD
SODSOD
(SEE NOTE THIS SHEET)
LOW WATER CROSSING
ROCK FILTER DAM
FD-2
INLET PROTECTION BARRIER
INLET PROTECTION SOD PANELS
SOD
IPB
R O
W
R O
W
R O
W
R O
W
HCFCD ESMT.
HCFCD ESMT.
HCFCD ESMT.
ESMT.
HCFCD
OF LOW WATER CROSSINGS.
SHALL DETERMINE FINAL LOCATIONS
SUGGESTED LOCATIONS. CONTRACTOR
LOW WATER CROSSINGS SHOWN ARE
20 33
H C
F C
D
D G
N
P P
E
X
E
X In t e r c e p t r t r u c t u r e
D e t a il s .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
DATE:
OF
DRAWING NUMBER
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
O
S E
F ICE
NOI
I G
SE
D
NE
E E
N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
D E
T A
IL
S
IN
T E
R C
E P
T O
R
S
T R
U C
T U
R E
1 1
SCALE: N.T.S.
CONSTRUCTION
R O
W
6 IN.
8 IN. CONCRETE BRICK
WALLS AND FLOOR SHALL BE
6 IN. REINFORCED STRUCTURAL
CONCRETE OR WALLS MAY BE
GROUT
2 FT.
5 IN.
F
T
3 FT.4 FT.
1 FT.
10 FT. TYP.
1 FT.
3 FT.
F
T
T Y
P
3 FT.4 FT.
1 FT.8 IN.
3 FT.
D 1 F
T T
Y P
D
(24 INCH ONLY)
INTERCEPTOR STRUCTURE
D
SECTION
PLAN
F
T T
Y P
C
I
N
V A
R
IE
S F
T I
N
M A
X
R O
W
F
T
T Y
P
6 IN.
F
T
VARIES
.5
VARIES
8 IN.
2:1
F
T T
Y P
1 FT.
B
I
N
1 FT.
PLAN
SLOPE
VARIES
12 FT. TYP.
5 FT.
5 FT. TYP.
SECTION
(42 INCH MAX.)
I
N
M A
X
8 IN.
F
T I
N
5 IN.
6 IN.
R O
W
B C
6 FT. TYP.
.5
8 IN.
5 FT.
B
V A
R
IE
S
I
N
8 IN.
A
PLAN
5 FT.
10 FT. TYP.
T Y
P
F
T
F
T
M A
X
F
T
4 FT.
I
N
FLOWLINE
A1 F
T T
Y P
R O
WSTRUCTURE
INTERCEPTOR
1 FT.
6 IN.
5 FT. 6 IN.
R O
W
INTERCEPTOR STRUCTURE
TYPICAL OFFSITE DITCH
(42 INCH MAX.)
SECTION
PLAN
#4 BARS
ON 8 IN.
.5 :1
CL
CHANNEL
BOTTOM
PLAN
FABRICATED
ELBOW
TYPICAL INTERCEPTOR OUTFALL
STRUCTURE LAYOUT
C BACKSLOPE SWALE
(24 INCH & 30 INCH ONLY)
INTERCEPTOR STRUCTURE
TYPICAL BACKSLOPE
SECTION
CENTERS
SEE NOTE 2.
CENTERS
ON 8 IN.
#4 BARS
CENTERS
ON 8 IN
#4 BARS
SLOPE 6 IN.
20 FT. (MIN.)
1 FT.
R O
W
6 IN.
8 IN.
2:1
VARIES
2:1
OFFSITE DITCH
3:1 3:1
1 FT.
1 FT. 8 IN.
1 FT.
8 IN.
8 IN.
8 IN.
F
T
T Y
P
8 IN.
COUPLER DETAILS.
SEE BAND
BAND COUPLER.
VARIES
SLOPE
T Y
P
F
T
L
OFFSITE SWALE
OR MATCH
SLOPE
OFFSITE SWALE
SLOPE
AS
SLOPE
12 FT. TYP.
SEE NOTE 2.
BACKSLOPE
SWALE
URBAN BACKSLOPE
C
8 IN.
F
T
1 FT.
8 IN.
8 IN.
I
N
.8 IN.
1 FT.
1 FT.
A
I
N
I
N
INTO SLOPE
5 FT. MIN.
BAND
COUPLER
COUPLER DETAIL
CMP BAND
SEE NOTE 2.
2 FT. MIN.
CEMENT STABILIZED
SECTION
SAND ALL AROUND
SEE NOTE 2.
6 IN. MIN.
T Y
P
F
T
I
N
F
T I
N
SEE NOTE 7.
CEMENT STABILIZED
SAND ALL AROUND PIPE.
SEE NOTE 2.
BEDDING HDPE
I
N
I
N
BEDDING
SEE NOTE 5. SEE NOTE 5.
COUPLER DETAIL
HDPE PIPE
LINED PIPE.
POLYETHYLENE (HDPE) SMOOTH
HIGH DENSITY CORRUGATED
SOIL AND WATER TIGHT
USE BELL & SPIGOT JOINT
SEE NOTE 5.
SEE NOTE 5.
NECESSARY
CMP OR HDPE PIPE
SEE NOTE 1.
SEE NOTE 1.
CMP OR HDPE PIPE
INTO SLOPE
5 FT. MIN.
1/2 IN.
ALL AROUND
MIN.
1'-3"NEW PIPE
MAX.
EXISTING PIPE
6 IN. MIN.
MIN.
(TYP.)
EXISTING PIPE
I
N
1'-3"
M
IN
I
N
I
N
SEE NOTE 8.
.5 :1
CMP DETAIL
SEE NOTE 10.
SEE NOTE 10.
SEE NOTE 10
SEE NOTE 10.
CEMENT STABILIZED
SAND (3 FT AROUND BOX)
M
IN
ENGINEER.
AS DIRECTED BY
STRUCTURE OR
DESIGNATED
PLANS FOR
SHOWN. SEE
INTERCEPTOR
BACKSLOPE
ASPHALT FELT.
30# X 12 IN.
WRAP JOINT WITH
NOTE 9.
SEE
OFFSITE DITCH INTERCEPTOR STRUCTURE
COMBINATION BACKSLOPE &
SEE NOTE 10SEE NOTE 10SEE NOTE 10SEE NOTE 10
SEE NOTE 9.
M
IN
SEE NOTE 2.
SEE NOTE 2.
SEE NOTE 2.
6 IN.
M A
X
NOTE:
ASPHALT FELT.
30# X 12 IN.
WRAP JOINT WITH
E
E
SECTION
G
E
SEE NOTE 2.
1.5 O.D. + 12 IN. MIN.
DETAIL
CONCRETE COLLAR
NOTES:
BY THE ENGINEER.
EPOXY "CLEAN WATER CLEAR CHOICE" LOGO BUTTON ON INTERCEPTORS. LOCATION TO BE DETERMINED
FOR COLLARS ONLY. WAIT A MINIMUM OF 24 HOURS AFTER PLACING CONCRETE TO BACKFILL.
STRUCTURAL CONCRETE WITH #4 BARS (GRADE 60) 12 INCH O.C. EACH WAY, 3 ROWS MIN. EACH WAY. -
PRIOR TO INSTALLATION.
ARE APPROXIMATE. FINAL ELEVATIONS AND LOCATIONS SHALL BE FIELD VERIFIED BY THE ENGINEER
BACKSLOPE SWALE AND INTERCEPTOR STRUCTURE ELEVATIONS AND LOCATIONS SHOWN ON THE PLANS
VULCAN FOUNDRY COMPANY, V-4880-1 OR APPROVED EQUAL, APPROX. 473 SQ.IN. OPENING. PAID 2632-05
STRUCTURE PER UNIT PRICE SCHEDULE. TYPE "A" INLET BOX, COH DWG. NO. 2084-08 WITH GRATE TOP, CONCRETE PAD AROUND URBAN BACKSLOPE INTERCEPTOR: PAID FOR AS CONCRETE INTERCEPTOR
MATCH TOP OF CONCRETE WITH BOTTOM OF DETENTION BASIN.
STEEL REINFORCING - #4 BARS (GRADE 60) AT 12 INCHES ON CENTER EACH WAY.
1.5 FEET DEEP X 8-INCH WIDE TOE ALL AROUND THE STRUCTURE.
CONCRETE PILOT CHANNEL
MATCH TOP OF CONCRETE WITH NATURAL GROUND.
INDICATED REQUIRES A SEPARATE DETAIL.
ANY INTERCEPTOR OUTFALL PIPE LARGER THAN MAXIMUM SIZE
EACH WAY.
STEEL REINFORCING-#4 BARS (GRADE 60) AT 12 INCHES ON CENTER
2-FEET DEEP X 8-INCH WIDE TOE ALL AROUND THE STRUCTURE.
ADJUST LENGTH AND WIDTH IN FIELD AS NECESSARY.
INTERCEPTOR STRUCTURES:
CONCRETE.
CONCRETE SHALL BE STRUCTURAL CONCRETE IN ACCORDANCE WITH SPECIFICATION SECTION 03310-
SPECIFICATION SECTION 02316-STRUCTURAL EXCAVATING AND BACKFILLING.
EXCAVATION, FILL AND BACKFILL FOR INTERCEPTOR OUTFALLS SHALL BE IN ACCORDANCE WITH
CEMENT STABILIZED SAND AND SECTION 02316 - STRUCTURAL EXCAVATING.
PROVIDE AND PLACE CEMENT STABILIZED SAND IN ACCORDANCE WITH SPECIFICATION SECTION 02321-
CORRUGATED GALVANIZED STEEL PIPE THICKNESS.
POLYETHYLENE, OR APPROVED EQUAL. USE TABLE ON STORM SEWER AND RIPRAP DETAILS SHEET FOR
POLYETHYLENE (HDPE) PIPE IN ACCORDANCE WITH SPECIFICATION SECTION 2505-HIGH DENSITY
ACCORDANCE WITH SPECIFICATION SECTION 02642- CORRUGATED METAL PIPE, HIGH DENSITY
INTERCEPTOR OUTFALL PIPES WITHIN THE HCFCD RIGHT-OF-WAY SHALL BE CMP OR HDPE PIPE IN 1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
a.
b.
c.
d.
e.
5 IN.
3 FT.4 FT.
1 FT.
10 FT. TYP.
1 FT.
3 FT.
.5 F
T
T Y
P
3 FT.4 FT.
10 FT. TYP.
1 FT.8 IN.
3 FT.
D D
DETENTION BASIN
D
SECTION
PLAN
2:1 2:1
1 FT. 8 IN.
8 IN.
8 IN.
F
T
CONCRETE PILOT CHANNEL -
I
N
I
N
SEE NOTE 6.
PIPE DETAIL
5 F T.
M
IN
BAND C
OUPLE
R
2 F T.
MI
N.
DETENTION BASIN
TO CHANNEL
WITH RULE 137.33 (b) AND (c) OF THE TEXAS BOARD OF PROFESSIONAL ENGINEERS.
DETAILS ON THIS SHEET BECOMES RESPONSIBLE FOR ITS USE IN THE END PRODUCT IN ACCORDANCE
MAINTAINED BY THE HCFCD WHEN COMPLETED BY OTHERS. AN ENGINEER WHO INCORPORATES THE
THIS DETAIL SHEET HAS BEEN PREPARED FOR USE ON HCFCD PROJECTS OR PROJECTS TO BE
G
G
2 F T.
MI
N.
2 F T.
MI
N.
BAND C
OUPLE
R
5 F T.
M
IN
AT TOE OF SLOPE *
AT TOE OF SLOPE *
1 FOOT ABOVE FLOWLINE *
5 F T.
M
IN
BAND C
OUPLE
R
6 FEET ≤ BW ≤ 20 FT
5 F T.
M
IN
5 F T.
M
IN
. 1
I
N
BOTTOM WIDTH
BW > 60 FT
PIPE OUTLET INVERT
PIPE OUTFALL IN CHANNELS
20 FEET < BW ≤ 60 FT
HIGHER
WATER LEVEL, WHICHEVER IS
* OR 1 FOOT ABOVE NORMAL
I
N
(CMP, RCP, OR
HDPE)
12 IN.
FELT
BELOW
SEE TABLE
a.
b.
c.
PIPE OUTFALL IN
AT TOE OF SLOPE
DETENTION BASINS
12 FT. TYP. 10 FT. TYP.
12 FT. TYP. OR MATCH
10 FT. TYP.
C H
A N
N E
L
E
R O
S
IO
N
R
E P
A
IR
S
R O
L L
IN
G
F
O R
21 33
R A P
D
E T
A
IL
S
S T
O R
M
S
E W
E R
A
N D
1 1
EXPOSED ABOVE SLOPE
TOP OF TIMBER BENT
3/4" DIA. GALVANIZED
MAX.
6 FT.
REMOVE EXISTING PIPE
10 FT. MIN. INTO SLOPE
ELBOW
COLLAR DETAIL.
A
A
REMOVE EXISTING PIPE
A
A
10 FT. MIN. INTO SLOPE
SEE NOTE 7.
24-INCH TO 42-INCH DIAMETER
FABRICATED
48-INCH AND LARGER DIAMETER
FABRICATED
PIPE ADJUSTMENT DETAIL
PIPE ADJUSTMENT DETAIL
FABRICATED ELBOW
VARIES
PIPE DIA.
F
T
4 IN. X 8 IN.
SEE NOTE 4.
SEE NOTE 7.
8 IN. DIA. PILE
EXISTING
SEE NOTE 2.
D/2 (TYP.)
D
R O
W
EXISTING PIPE
3 FT. MIN.
R O
W
A
CMP OR HDPE. SEE NOTE 2.
D
A
SLOPE 6 IN.
20 FT. (MIN.)
EXISTING
D /2
D
D
D 2
D
PLAN
CL
CHANNEL
BOTTOM
1 FT.
MAINTENANCE BERM
SEE NOTE 7.
6D OR TOP OF
PIPE ELEVATION ON
OPPOSITE BANK,
WHICHEVER IS SMALLER.
SEE NOTE 9.
TIMBER BENT FOR OUTFALLS
48 IN. DIA. AND LARGER. SEE
TIMBER BENT DETAIL. SEE NOTE 4.
SEE NOTES
1 & 6.
TYPICAL STORM SEWER OUTFALL
TIMBER BENT FOR OUTFALLS 48 IN. DIA.
AND LARGER. SEE NOTE 4 AND
TIMBER BENT DETAIL.
STRUCTURE LAYOUT
SECTION
MANHOLE
SEE NOTE 6.
36-INCH HDPE AND LARGER OUTFALLS
MIN. INTO SLOPE
5 FT.
CMP BAND
TYPICAL SECTION ELEVATION
BOLTS WITH OVERSIZE
GALVANIZED
BOLT
SLOPE 6 IN.
20 FT. (MIN.)
SLOPE 6 IN.
MANHOLE
EXISTING PIPE
EXISTING PIPE
SEE TYPICAL CONCRETE
CONCRETE
COLLAR DETAIL
SEE TYPICAL
8 IN. DIA. PILE
ABOVE PIPE
CMP SEE NOTE 2.
SEE NOTE 3.
TYPICAL RIPRAP LINING DETAIL-SIDE SLOPE ONLY
TYPICAL RIPRAP AT CONCRETE CHANNEL LINING
C
SECTION
PLAN
CC
FT.
SECTION
SECTION
SEE NOTE 8.
SECTION
6 IN.
I
N
A
SEE NOTE 3.
AGAINST CONCRETE.
SLOPE. DO NOT PLACE TOE
BOTTOM & UP
ACROSS CHANNEL
TOE-IN RIPRAP
NOTE:
PIPE
BENT DETAIL.
DIA. AND LARGER. SEE TIMBER
TIMBER BENT FOR OUTFALLS 48 IN.
IN.
CMP OR HDPE
TIMBER
4 IN. X 12 IN.
TIMBER
SEE NOTE 6.
C CHANNEL
L
ALL AROUND PIPE SEE NOTE 3.
PIPE DETAIL
BEDDING HDPE
ELBOW
CEMENT STABILIZED SAND
SEE NOTE 2.
CMP OR HDPE
I
N
1.5 O.D + 12 IN. MIN.
20 FT. (MIN.)
SEE NOTE 6.
T (MAT THICKNESS)
NOTE:
& CMP DETAIL
RCP BEDDING
(TYP.)
6 IN. MIN. ALL AROUND
M
IN
1/2 IN.
1'-3"
NEW PIPE
EXISTING PIPE
I
N
SEE NOTE 8.
I
N
ASPHALT FELT.
30# X 12 IN.
WRAP JOINT WITH
B
SECTION
SEE NOTE 7.
SEE NOTE 3.
SEE NOTE 3.
SEE NOTE 3.
SEE NOTE 6.
SEE NOTE 6.
TOPSOIL OVER RIPRAP
TOPSOIL OVER RIPRAP
CONCRETE
COUPLER DETAIL
HDPE PIPE
MIN.
1'-3"
MIN.
M
IN
PIPE
(CMP, RCP, OR
MIN.
MAX.
BAND
COUPLER
2 FT. MIN.
SEE NOTE 3.
C CHANNEL
L
COUPLER DETAIL
DETAIL
CONCRETE COLLAR
2-2/3" X 1/2" CORRUGATION 3" X 1" & 5" X 1" CORRUGATION
PIPE
(in.)
MIN. SHEET THICKNESS
(in.) (in.)gage (mm)
24 12 16 .064 1.63
MAXIMUM DEPTH OF COVER ABOVE TOP OF PIPE IS 20 FEET.
MINIMUM DEPTH OF COVER ABOVE TOP OF PIPE,
1.63
1.63
1.63
1.63
2.01
2.77
2.77
3.51
4.27
4.27
.064
.064
.064
.064
.079
.109
.109
.138
.168
.168
.064
.064
.064
.064
.064
.064
.064
.079
.079
.079
1.63
1.63
1.63
1.63
1.63
1.63
1.63
2.01
2.01
2.01
*MIN. SHEET THICKNESS
(in.) (in.)gage (mm)
*DIA. FILL FILL
CORRUGATED GALVANIZED STEEL PIPE (TYPE I)
NOTES:
AND DETENTION BASINS , SEE HCFCD CONCRETE CHANNEL LINING DETAILS.
WINGWALL/APRON DETAIL ON SHEET . FOR RCP OUTFALL IN CONCRETE LINED CHANNEL
FOR RCP OUTFALL IN GRASS LINED CHANNELS AND DETENTION BASINS, USE HEADWALL/
MINIMUM OF 24 HOURS AFTER PLACING CONCRETE TO BACKFILL.
STRUCTURAL CONCRETE #4 BARS (GRADE 40) 12 INCH O.C. EACH WAY - FOR COLLARS ONLY. WAIT A
CHANNEL. IN CHANNEL, USE ELEVATION INDICATED IN THE PIPE OUTFALL IN CHANNELS TABLE.
IN DETENTION BASINS, SET FLOWLINE OF OUTFALL AT TOE OF THE SLOPE OR FLOWLINE OF PILOT
SIDE SLOPE AS DIRECTED BY THE ENGINEER.
GRANULAR FILL. FILL RIPRAP VOIDS AND BURY RIPRAP A MINIMUM OF 6 INCHES WITH TOPSOIL ON
RIPRAP SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION SECTION 02378-RIPRAP AND
SPECIFICATION SECTION 02316- STRUCTURAL EXCAVATING AND BACKFILLING.
EXCAVATION, FILL, AND BACKFILL FOR STORM SEWER OUTFALLS SHALL BE IN ACCORDANCE WITH
02464-TIMBER BENTS.TIMBER BENTS SHALL BE IN ACCORDANCE WITH SPECIFICATION SECTION
02321-CEMENT STABILIZED SAND.
PROVIDE AND PLACE CEMENT STABILIZED SAND IN ACCORDANCE WITH SPECIFICATION SECTION NO.
STEEL PIPE.
POLYETHYLENE PIPE, OR APPROVED EQUAL. USE TABLE BELOW FOR CORRUGATED GALVANIZED
POLYETHYLENE PIPE (HDPE) IN ACCORDANCE WITH SPECIFICATION SECTION 02505-HIGH DENSITY
DENSITY ACCORDANCE WITH SPECIFICATION SECTION 02642-CORRUGATED METAL PIPE, HIGH
STORM SEWER OUTFALL PIPES WITHIN THE HCFCD RIGHT-OF-WAY SHALL BE CMP OR HDPE IN
"TYPICAL STORM SEWER OUTFALL STRUCTURE LAYOUT."
ANY SIZE STORM SEWER PIPE AND TREATMENT PLANT OUTFALL, DIMENSIONED AS SHOWN IN
INSTALL RIPRAP EROSION PROTECTION IN GRASS LINED CHANNELS AND DETENTION BASINS FOR 1.
2.
3.
4.
5.
6.
7.
8.
9.
C CHANNEL
L
BOTTOM WIDTH
BW > 60 FT AT TOE OF SLOPE *
AT TOE OF SLOPE *
1 FOOT ABOVE FLOWLINE *
PIPE OUTLET INVERT
PIPE OUTFALL IN CHANNELS
WASHERS, BOTH SIDES
TIMBER BENT DETAIL FOR 48-INCH CMP;
AROUND
CEMENT STABILIZED SAND ALL
~DETENTION BASIN
TO CHANNEL
GRADE 1
GRADE 2
T
FT.
6 FEET ≤ BW ≤ 20 FT
20 FEET < BW ≤ 60 FT
A
A
HIGHER
WATER LEVEL, WHICHEVER IS
* OR 1 FOOT ABOVE NORMAL
SMOOTH LINED PIPE.
POLYETHYLENE (HDPE)
HIGH DENSITY CORRUGATED
SEE NOTE 3.
2 FT.
MIN
TIGHT
JOINT SOIL AND WATER
USE BELL & SPIGOT
1 FT. MIN. OF RIPRAP
B
B
INTO SLOPE
5 FT. MIN.
BEND COUPLER
HDPE)
I
N
M
IN
12 IN.
FELT
18" MIN
24" MIN
S 168-171
PROFESSIONAL ENGINEERS.
END PRODUCT IN ACCORDANCE WITH RULE 137.33 (b) AND (c) OF THE TEXAS BOARD OF
INCORPORATES THE DETAILS ON THIS SHEET BECOMES RESPONSIBLE FOR ITS USE IN THE
BE MAINTAINED BY THE HCFCD WHEN COMPLETED BY OTHERS. AN ENGINEER WHO
THIS DETAIL SHEET HAS BEEN PREPARED FOR USE ON HCFCD PROJECTS OR PROJECTS TO
C H
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101079
KERI A. HOPPLE
1/23/2026
22 33
1 3
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SCALE: AS NOTED
DATE:
OF
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K A
H
E
X
H C
F
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C T
ID
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1/23/2026
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S A
101079
KERI A. HOPPLE
23 33
E C
A
X
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2 3
C H
A N
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P R
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P R
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R E
V A P
P R
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SCALE: AS NOTED
DATE:
OF
DRAWING NUMBER
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
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101079
KERI A. HOPPLE
24 33
N H
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P R
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SCALE: AS NOTED
DATE:
OF
DRAWING NUMBER
K A
H
E
X
H C
F
O J E
C T
ID
E
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1/23/2026
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101079
KERI A. HOPPLE
25 33
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101079
KERI A. HOPPLE
1/23/2026
C H
A N
N
O S
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A
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1 1
SWPPP NOTES
DRAINAGE AT ALL TIMES.
9. CONTRACTOR TO BE RESPONSIBLE TO MAINTAIN EXISTING DITCHES AND/OR CULVERTS FOR UNOBSTRUCTED
LOCATIONS WHERE VEHICLES ENTER OR EXIT THE SITE.
STRUCTURAL CONTROL MEASURES.
AREAS USED FOR STORAGE OF MATERIALS THAT ARE EXPOSED TO PRECIPITATION.
DISTURBED AREAS OF THE CONSTRUCTION SITE THAT HAVE NOT BEEN FINALLY STABILIZED.
CALENDER DAYS AND WITHIN 24 HOURS OF THE END OF A STORM EVENT OF 0.5 INCHES OR GREATER.
8. CONTRACTOR TO INSPECT AND MAINTAIN THE AREAS LISTED BELOW AT LEAST ONCE EVERY SEVEN (7)
ALWAYS CLEANING UP DIRT AND LOOSE MATERIAL AS CONSTRUCTION PROGRESSES.
7. CONTRACTOR SHALL FOLLOW GOOD HOUSEKEEPING PRACTICES DURING THE CONSTRUCTION OF THE PROJECT, POLLUTING THE RECEIVING STORM.
AND/OR EXCAVATED MATERIALS FROM ENTERING INTO THE STORM WATER INLETS AND DITCHES EVENTUALLY
LOCATIONS SHOWN ON THE TYPICAL STROM WATER POLLUTION PREVENTION (SWPP) PLANS TO KEEP SILT
6. CONTRACTOR SHALL IMPLEMENT INLET PROTECTION DEVICES AND REINFORCED FILTER FABRIC BARRIER AT
ENTERING THE DRAINAGE SYSTEM.
STORAGE OF MATERIALS THAT ARE EXPOSED TO PRECIPITATION AND HAVE THE POTENTIAL FOR POLLUTANTS
5. REINFORCED SILT FENCE SHALL BE USED AROUND ALL STOCKPILES, DISTURBED AREAS, AND AREAS USED FOR
DISPOSED OF BY CONTRACTOR AT HIS EXPENSE.
4. OFF-SITE TRACKING OF SEDIMENTS SHALL BE MINIMIZED. SEDIMENT TRACKED OFF-SITE SHALL BE REMOVED AND
SEDIMENT. COST OF SEDIMENT TRAPS IS INCIDENTAL TO STABILIZED CONSTRUCTION ACCESS.
IS DONE AT CONSTRUCTION ACCESS CONTRACTOR WILL INSTALL SEDIMENT TRAPS TO CONTROL WASH WATER
IS RESPONSIBLE FOR COMPLYING WITH ALL REQUIREMENTS OF TPDES CONSTRUCTION GENERAL PERMIT. IF WASHING
3. ONLY TYPICAL EROSION AND SEDIMENTATION CONTROL STRUCTURES AND LOCATIONS ARE SHOWN. CONTRACTOR
PERMANETLY STABILIZED WITH VEGETATION, CONCRETE PAVING, RIPRAP, OR ARTICULATED CONCRETE BLOCK.
CIRCUMSTANCES MAY REQUIRE POLLUTION PREVENTION STRUTURES TO REMAIN IN PLACE UNTIL SITE HAS BEEN
BLOCK OR STRIP SODDING AS DIRECTED BY THE PROJECT ENGINEER OR AS DEPICTED ON THE PLANS. CERTAIN
COMPLETION OF CONSTRUCTION, POLLUTION PREVENTION STRUCTURES WILL BE REMOVED AND REPLACED BY
2. POLLUTION PREVENTION STRUCTURES SHOWN WILL REMAIN IN PLACE UNTIL CONSTRUCTION IS COMPLETE. UPON
CONCURRENTLY WITH THE INSTALLATION OF TEMPORARY POLLUTION PREVENTION STRUCTURES).
ANY CONSTRUCTION OPERATIONS TAKE PLACE. (CLEARING AND GRUBBING OPERATIONS MAY TAKE PLACE
1. INSTALLATION OF ALL TEMPORARY POLLUTION PREVENTION STRUCTURES MUST BE COMPLETE BEFORE
26 33
H C
F C
D
D G
N
P P
E
X
E
X
S W
P P
P
D e t a il s .d g n
T B
P E N o F -8
(7 -8
H O
U S
T O
N T
X
K
A T
Y F
R E
E W
A Y S
T E
SHEET NUMBER
OF
C H
E C
K E
D
P R
E P
A R
E D
A P
P R
O V
E D
R E
V A P
P R
D E S
C R
IP
T
IO
N D
A T E
SCALE: AS NOTED
DATE:
OF
DRAWING NUMBER
K A
H
E
X
H C
F
O J E
C T
ID
E
C B
1/23/2026
R A
H
RR
N
LA
L
S
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S E
F ICE
NOI
I G
SE
D
NE
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N
F
P
T A
T S
O E
XET
S A
101079
KERI A. HOPPLE
1/23/2026
P R
E V
E N
T
IO
N
D
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A
IL
S
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R
P
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N
1 1
GRANULAR FILL
SEE SPECIFICATION SECTION NO. 02365-STABILIZED CONSTRUCTION ACCESS.
GEOTEXTILE FOR FULL
WIDTH AND LENGTH OF
STABILIZED CONSTRUCTION
CONSTRUCTION NOTES:
1.
STABILIZED CONSTRUCTION ACCESS
SYMBOL
GRADED TO PREVENT
SEDIMENT FROM
PROVIDE APPROPRIATE TRANSITION
BETWEEN STABILIZED…
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