12-Drawings.pdf
PDF 28 MB Posted
- Attached to
- ITB - Rehabilitation of Channels within Barker Reservoir for Harris County Flood Control District
- Solicitation number
- 25/0342
- Issued by
- Harris County, Texas
About this file
This document is a technical drawing and bid set for the Rehabilitation of Channels within Barker Reservoir, a project by the Harris County Flood Control District (HCFCD) located in Harris County, Texas. The project involves channel rehabilitation across multiple project segments (T204-00-00, T101-00-00, T103-03-00, T103-00-00) with a specific project ID of T100-00-00-X002. The bid was issued on 10/03/2025, with initial quantities including 1,800 linear feet of construction fence, 25 cubic yards of debris and trash removal, 1,315 linear feet of pipe removal, and miscellaneous traffic control and site preparation activities. The project drawings span 73 sheets and include detailed plan and profile maps, cross-sections, utility notes, and environmental considerations such as storm water pollution prevention and potential wildlife habitat protection.
The bid documents indicate this is a comprehensive channel rehabilitation project with multiple technical and environmental specifications. Key elements include utility coordination with entities like CenterPoint Energy, AT&T, and various underground utility providers, with specific protocols for excavation near existing infrastructure. The project emphasizes environmental preservation, including requirements for migratory bird nest surveys, tree protection zones, and careful handling of wetland areas. While specific budget details are not fully disclosed in this drawing set, the project appears to be a publicly funded infrastructure improvement initiative focused on restoring drainage capabilities and slope stability within the Barker Reservoir channel system.
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KEY MAP PG. 486M, 486P, 486Q, 486R, 486T, 486U, 486V, 487E
VICINITY MAP
PCT. 4
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10 10
610 610
99 99
HCFCD PROJECT ID# T100-00-00-X002
REHABILITATION OF CHANNELS WITHIN
BARKER RESERVOIR
LESLEY BRIONES
TOM S. RAMSEY, P.E.
ADRIAN GARCIA
RODNEY ELLIS
COUNTY JUDGE LINA HIDALGO
PCT. 2 PCT. 4
PCT. 3PCT. 1
CHRISTINA (TINA) PETERSEN, PHD, P.E.EXECUTIVE DIRECTOR
PRECINCT 4
PRECINCT 3
PRECINCT 2
PRECINCT 1
PRECINCT 2
PROJECT
LOCATION
T204-00-00, T101-00-00, T103-03-00, T103-00-00
ISSUED FOR BID
10/03/2025
4424 W Sam Houston Parkway N, Suite 600 Houston, Texas 77040
713.462.3242 | fax 713.462.3262 www.cobbfendley.com
TBPELS Engineering Firm No. 274 Land Surveying Firm No. 10046700
10/31/2025
JOB NO. 25/0342
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Houston, Texas 77092 9900 Northwest Freeway
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DRAWING INDEX
SHEET
NUMBER SHEET TITLE
1 COVER SHEET
3-4 GENERAL NOTES
7 PROJECT OVERALL MAP
12-13
PROJECT ACCESS MAP
17-20 PLAN AND PROFILE T204-00-00
PROJECT LAYOUT MAP
8-11
5 PROJECT LEGEND
13-15 SURVEY CONTROL
QUANTITY ESTIMATE6
25-27 PLAN AND PROFILE T101-00-00
62 INTERCEPTOR STRUCTURE TABLE
30-34 PLAN AND PROFILE T103-03-00
40-50 PLAN AND PROFILE T103-00-00
65 ROCK WEDGE DETAILS
51-61 CROSS SECTIONS T103-00-00
63 STANDARD HCFCD DETAILS
66-70 STORM WATER POLLUTION PREVENTION PLAN
STORM WATER POLLUTION PREVENTION DETAILS71
21-24 CROSS SECTIONS T204-00-00
28-29 CROSS SECTIONS T101-00-00
35-39 CROSS SECTIONS T103-03-00
2 SHEET INDEX
ALLIGATOR SNAPPING TURTLE TYPICAL FENCING DETAIL72-73
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
TBPELS Engineering Firm No. 274 Land Surveying Firm No. 10046700
HCFCD GENERAL NOTES:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
FENCES AND/OR OTHER ENCROACHMENTS IN THE HCFCD RIGHT-OF-WAY ARE NOT TO BE REMOVED UNLESS OTHERWISE STATED ON THE PLANS. IN CASES WHERE FENCE REMOVAL IS INDICATED ON THE PLANS, THE FENCE SHALL BE REMOVED AND PLACED NEATLY ON THE ADJACENT PROPERTY AT THE START OF CONSTRUCTION. WHERE THERE IS NOT A SEPARATE ITEM LISTED ON THE UNIT PRICE SCHEDULE, THE ENCROACHMENT REMOVAL IS INCIDENTAL TO SITE
PREPARATION AND RESTORATION.
DO NOT ENTER PRIVATE PROPERTY WITHOUT PROPER WRITTEN AUTHORIZATION FROM THE OWNER. PROVIDE COPY OF
WRITTEN PERMISSION TO HCFCD.
STRIP VEGETATION AND TOPSOIL AND STOCKPILE FOR REUSE ONSITE. MATERIAL FOUND UNACCEPTABLE BY THE ENGINEER WILL BE REMOVED AND PAID AS EXCAVATION AND OFFSITE DISPOSAL. NO SEPARATE MEASUREMENT AND PAYMENT WILL BE MADE FOR STRIPPING, STOCKPILING AND PLACING ON-SITE TOPSOIL. THE COST FOR THIS WORK WILL BE INCIDENTAL TO RELATED PAY ITEMS UNDER SPECIFICATION SECTION NUMBER 02315 LISTED ON THE UNIT PRICE
SCHEDULE.
RIPRAP AND GRANULAR FILL MATERIAL REMOVED DURING EXCAVATION, MEETING SPECIFICATION SECTION NUMBER 02378, SHALL BE REUSED AS DIRECTED BY THE ENGINEER. REUSED MATERIAL WILL BE MEASURED AND PAID FOR AS EXCAVATION AND ON-SITE FILL UNDER SPECIFICATION NUMBER 02315. NO SEPARATE MEASUREMENT OR PAYMENT WILL BE MADE FOR PROCESSING, HANDLING, STOCKPILING, AND PLACING MATERIAL FOUND TO BE ACCEPTABLE FOR REUSE.
UPON APPROVAL OF THE ENGINEER, DISPOSAL OF NONCONFORMING RIPRAP AND GRANULAR FILL MATERIAL WILL BE MEASURED AND PAID FOR AS REMOVE AND DISPOSE OF CONCRETE RUBBLE UNDER SPECIFICATION SECTION NUMBER
02120, MATERIAL DISPOSAL.
THE LOCATION AND GRADE OF THE BACKSLOPE INTERCEPTOR STRUCTURES AND SWALES MAY BE ADJUSTED IN THE FIELD BY THE ENGINEER AT THE TIME OF CONSTRUCTION. UNLESS OTHERWISE INSTRUCTED BY THE ENGINEER, THE BACKSLOPE INTERCEPTOR STRUCTURE SHALL BE SET AT A MAXIMUM DEPTH OF 2.5 FEET AND THE MINIMUM GRADE FOR
BACKSLOPE SWALES SHALL BE 0.2%.
COMPLETED SECTIONS OF THE CHANNEL SHALL HAVE VEGETATION ESTABLISHMENT COMPLETED IN MAXIMUM 1500 LINEAR FOOT SEGMENTS. CONTRACTOR MAY NOT DISTURB GREATER THAN 1500 LF OF CHANNEL AT A TIME.
CLEAR AND REMOVE ALL SILT FROM CULVERTS, PIPES AND UNDER BRIDGES TO THE PROPOSED DESIGN GRADES TO
PROVIDE POSITIVE FLOW.
LENGTHS AND DIAMETERS REPRESENTED ON PLANS ARE APPROXIMATE. CONTRACTOR WILL BE RESPONSIBLE FOR FIELD
VERIFICATION PRIOR TO ORDERING MATERIALS.
ACTIVITIES THAT DISTURB BIRD HABITAT, INCLUDING BUT NOT LIMITED TO CLEARING, GRUBBING, AND IMPACTS TO STRUCTURES WHERE MIGRATORY BIRDS AND BALD EAGLES MIGHT NEST, REQUIRE A NEST HABITAT SURVEY. DO NOT PROCEED UNTIL HARRIS COUNTY FLOOD CONTROL DISTRICT HAS CONDUCTED A NEST HABITAT SURVEY TO VERIFY ACTIVE MIGRATORY BIRD NESTS AND BALD EAGLE NESTS ARE NOT PRESENT. THE HARRIS COUNTY FLOOD CONTROL
DISTRICT MUST PROVIDE WRITTEN AUTHORIZATION TO PROCEED.
WHEN BANK EROSION REPAIRS CALL FOR THE PLACEMENT OF 3"x5" GRANULAR FILL IN THE CHANNEL BOTTOM TO ESTABLISH A BASE FOR REBUILDING THE SLOPE. THE 3"x5" GRANULAR FILL SHALL BE LIMITED TO AN ELEVATION 6-INCHES
ABOVE THE NORMAL WATER SURFACE ELEVATION LEVEL.
THE CONTRACT CONTAINS UNIT ITEMS FOR THE ESTABLISHMENT OF BEST MANAGEMENT PRACTICES FOR STORM WATER QUALITY PURPOSES. WHEN NOT CALLED FOR IN THE PROJECT PLANS, COORDINATE THE NEED AND LOCATION OF THESE UNIT ITEMS WITH THE DISTRICT REPRESENTATIVE ON SITE PRIOR TO PLACEMENT. THESE UNIT ITEMS INCLUDE, BUT ARE NOT LIMITED TO, REINFORCED SILT FENCE FOR MATERIAL STOCKPILES, ANCHORED SODDING FOR DISTURBED EARTHEN AREAS OR AROUND CONCRETE AND CONCRETE INTERCEPTOR, AND STABILIZED CONSTRUCTION ACCESS FOR PROJECT
SITE INGRESS/EGRESS.
WHEN INCLUDED IN THE SCOPE OF WORK, THE PURPOSE OF DEEP PLOWING THE SLOPE OR BERM OF A CHANNEL IS TO BREAK UP THE DESICCATED SOILS AND TO ELIMINATE ANY VOIDS, OR RILLING CLOSE TO THE SURFACE OF THE SLOPE OR BERM. THE CONTRACTOR WILL DEEP PLOW THE SLOPE OR BERM TO A MINIMUM DEPTH OF 2 FEET IN AREAS CONTAINING VOIDS AND/OR RILLING. IN AREAS OF VOIDS ONLY, THE SURFACE FROM WHICH THE 2 FEET DEPTH IS MEASURED WILL BE THE LEVEL OF THE SURROUNDING UNDISTURBED SOIL. IN AREAS OF RILLING, THE RILLS WILL FIRST BE KNOCKED DOWN AND LEVELED OFF. THE 2 FEET DEPTH WILL THEN BE MEASURED FROM THIS NEW SURFACE. THE CONTRACTOR WILL
DETERMINE THE MEANS AND METHODS FOR DEEP PLOWING.)
TREES AND PLANTS LOCATED WITHIN A DESIGNATED TREE PROTECTION ZONE (TPZ) SHALL BE PRESERVED. REFER TO SPECIFICATION SECTION 01566 - TREE AND PLANT PROTECTION, FOR DETAILED INFORMATION ON TREE AND PLANT PRESERVATION PRACTICES AND PROCEDURES INCLUDING, BUT NOT LIMITED TO, ROOT PRUNING, VEGETATION TRIMMING, FENCING AND OTHER PRESERVATION OPERATIONS.
IF APPLICABLE, CONTRACTOR SHALL AVOID ANY WETLAND AREAS BEYOND THE LIMITS OF EXCAVATION AND CLEARING.
AS THE FIRST WORK ITEM CONTRACTOR WILL BE RESPONSIBLE FOR INSTALLING FENCING OR OTHER MATERIAL TO IDENTIFY AND PROTECT THE IDENTIFIED WETLAND AREAS, UNLESS WETLANDS HAVE BEEN IDENTIFIED AND FENCED BY
HCFCD PRIOR TO CONSTRUCTION AND CONTRACTOR HAS WRITTEN EVIDENCE OF SUCH.
11.
CENTERPOINT ENERGY RESOURCES CORP. (GAS)
CAUTION: UNDERGROUND GAS FACILITIES
CENTERPOINT ENERGY HOUSTON ELECTRIC LLC
WARNING: OVERHEAD ELECTRICAL FACILITIES
ACTIVITIES ON/OR ACROSS CENTERPOINT ENERGY FEE OR EASEMENT PROPERTY
NO APPROVAL TO USE, CROSS OR OCCUPY CENTERPOINT FEE OR EASEMENT PROPERTY IS GIVEN. IF YOU NEED TO USE CENTERPOINT PROPERTY, PLEASE CONTACT OUR SURVEYING & RIGHT OF WAY DIVISION AT (713) 207-6348 OR (713) 207-5769.
AT&T TEXAS/SWBT FACILITIES
DIRECT BURIED CABLE PROCEDURE
1. THE LOCATIONS OF AT&T TEXAS/SWBT FACILITIES ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION BEFORE COMMENCING WORK. HE AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THIS FAILURE TO EXACTLY LOCATE AND PRESERVE THESE
UNDERGROUND UTILITIES.
2. THE CONTRACTOR SHALL CALL 1-800-344-8377 (TEXAS 811) A MINIMUM OF 48 HOURS PRIOR TO CONSTRUCTION TO
HAVE UNDERGROUND LINES FIELD LOCATED.
3. WHEN EXCAVATING WITHIN EIGHTEEN INCHES (18”) OF THE INDICATED LOCATION OF AT&T TEXAS/SWBT FACILITIES, ALL EXCAVATIONS MUST BE ACCOMPLISHED USING NON-MECHANIZED EXCAVATION PROCEDURES. WHEN BORING, THE CONTRACTOR SHALL EXPOSE THE AT&T TEXAS/SWBT FACILITIES.
4. WHEN AT&T TEXAS/SWBT FACILITIES ARE EXPOSED, THE CONTRACTOR WILL PROVIDE SUPPORT TO PREVENT DAMAGE TO THE CONDUIT DUCTS OR CABLES. WHEN EXCAVATING NEAR TELEPHONE POLES THE CONTRACTOR
SHALL BRACE THE POLE FOR SUPPORT.
5. THE PRESENCE OR ABSENCE OF AT&T TEXAS/SWBT UNDERGROUND CONDUIT FACILITIES OR BURIED CABLE FACILITIES SHOWN ON THESE PLANS DOES NOT MEAN THAT THERE ARE NO DIRECT BURIED CABLES OR OTHER
CABLES IN CONDUIT IN THE AREA.
6. PLEASE CONTACT THE AT&T TEXAS DAMAGE PREVENTION MANAGER ROOSEVELT LEE JR. AT (713)567-4552 OR E-MAIL HIM AT RL7259@ATT.COM, IF CABLE LOCATE REQUEST(S) ARE NOT COMPLETED FOR OUR AT&T TEXAS/SWBT
FACILITIES.
DIRECT BURIED CABLE RECORDS ARE NOT AVAILABLE. TO DETERMINE THE LOCATION OF DIRECT BURIED CABLE PLANT
DURING THE DESIGN PHASE OF YOUR PROJECT, FOLLOW THE PROCEDURE OUTLINED BELOW:
• CALL 1-800-344-8377 (TEXAS 811) AND ADVISE YOU NEED THE EXISTING AT&T TEXAS/SWBT FACILITIES LOCATED FOR THE DESIGN PHASE OF YOUR PROJECT PLEASE ALLOW AT LEAST 72 HOURS FOR THE CABLES TO GET MARKED BEFORE SENDING YOUR FIELD CREW FOR BASE LINE SURVEY FOR LOCATES OF. BE SPECIFIC ON THE PROJECT LOCATION.
• THE LOCATOR WILL FIELD LOCATE THE EXISTING AT&T TEXAS/SWBT FACILITIES WITH ORANGE PAINT AND/OR FLAGS.
THE CONTRACTOR SHALL CONTACT THE UTILITY COORDINATING COMMITTEE AT 1-800-545-6005 OR 811 A MINIMUM OF 48
HOURS PRIOR TO CONSTRUCTION TO HAVE MAIN AND SERVICE LINES FIELD LOCATED.
· WHEN CENTERPOINT ENERGY PIPE LINE MARKINGS ARE NOT VISIBLE, CALL (713) 207-5463 OR (713- 945-8037 (7:00
A.M. TO 4:30 P.M.) FOR STATUS OF LINE LOCATION REQUEST BEFORE EXCAVATION BEGINS.
· WHEN EXCAVATING WITHIN EIGHTEEN INCHES (18”) OF THE INDICATED LOCATION OF CENTERPOINT ENERGY FACILITIES, ALL EXCAVATION MUST BE ACCOMPLISHED USING NON-MECHANIZED EXCAVATION PROCEDURES.
· WHEN CENTERPOINT ENERGY FACILITIES ARE EXPOSED, SUFFICIENT SUPPORT MUST BE PROVIDED TO THE
FACILITIES TO PREVENT EXCESSIVE STRESS ON THE PIPING.
· FOR EMERGENCIES REGARDING GAS LINES CALL (713) 659-2111 OR (713) 207-4200.
THE CONTRACTOR IS FULLY RESPONSIBLE FOR ANY DAMAGES CAUSED BY HIS FAILURE TO EXACTLY LOCATE AND
PRESERVE THESE UNDERGROUND FACILITIES.
OVERHEAD LINES MAY EXIST ON THE PROPERTY. THE LOCATION OF OVERHEAD LINES HAS NOT BEEN SHOWN ON THESE DRAWINGS AS THE LINES ARE CLEARLY VISIBLE, BUT YOU SHOULD LOCATE THEM PRIOR TO BEGINNING ANY CONSTRUCTION. TEXAS LAW, SECTION 752, HEALTH & SAFETY CODE FORBIDS ACTIVITIES THAT OCCUR IN CLOSE PROXIMITY
TO HIGH VOLTAGE LINES, SPECIFICALLY:
· ANY ACTIVITY WHERE PERSON OR THINGS MAY COME WITHIN SIX(6) FEET OF LIVE OVERHEAD HIGH VOLTAGE LINES; AND
· OPERATING A CRANE, DERRICK, POWER SHOVEL, DRILLING RIG, PILE DRIVER, HOISTING EQUIPMENT, OR SIMILAR
APPARATUS WITHIN 10 FEET OF LIVE OVERHEAD HIGH VOLTAGE LINES.
PARTIES RESPONSIBLE FOR THE WORK, INCLUDING CONTRACTORS ARE LEGALLY RESPONSIBLE FOR THE SAFETY OF CONSTRUCTION WORKERS UNDER THIS LAW. THIS LAW CARRIES BOTH CRIMINAL AND CIVIL LIABILITY. TO ARRANGE FOR
LINES TO BE TURNED OFF OR REMOVED CALL CENTERPOINT ENERGY AT (713) 207-2222.
UTILITY NOTES
12.
13.
14.
Houston, Texas 77092 9900 Northwest Freeway
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AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
THE PROJECT PLANS ARE INTENDED AS A GUIDE. THE REPAIR AREA LIMITS WILL BE DETERMINED IN THE FIELD BY THE HCFCD REPRESENTATIVE. DUE TO THE DYNAMIC CONDITIONS IN THE FIELD, PROJECT SCOPE AND QUANTITIES MAY VARY FROM THE PLANS AND/OR CROSS SECTIONS. HCFCD RESERVES THE RIGHT TO ADJUST PLANS AND QUANTITIES AS NECESSARY. PROJECT SCOPE MAY BE ADJUSTED
AS PRIORITIES CHANGE.
THE PURPOSE OF THE CHANNEL DESILT IS TO RESTORE POSITIVE DRAINAGE DURING LOW FLOW CONDITIONS. UNLESS SPECIFICALLY STATED OTHERWISE, IT IS NOT THE INTENT OF THE PROJECT TO DEEPEN THE CHANNEL BEYOND ITS ORIGINAL DESIGN CONFIGURATION.
EXCAVATION OF SILT SHOULD NOT UNDERMINE THE TOE OF THE SLOPE.
ALL RIPRAP CALLED FOR ON THE PROJECT PLANS SHALL BE PAID FOR UNDER THE APPROPRIATE CORRESPONDING UNIT ITEM BASED ON THE SPECIFIED GRADATION AND SHALL BE PAID FOR BY THE UNITS SPECIFIED. WHERE THE PROJECT PLANS CALL FOR THE USE OF A WELL GRADED MIXTURE OF GRANULAR FILL, PAYMENT WILL BE MADE UNDER UNIT ITEM 2378-05, GRANULAR FILL, GRAVEL TO RIPRAP GRADATION NO. 2, AS DIRECTED BY THE ENGINEER.
THE TERM "LANDFILL" AS INCLUDED IN THE CONTRACT DOCUMENTS REFERS TO A DISPOSAL FACILITY THAT IS LICENSED/PERMITTED
BY THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY (TCEQ).
MAINTENANCE ENGINEERING CONSTRUCTION NOTES
1.
2.
3.
4.
Houston, Texas 77092 9900 Northwest Freeway
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TO ARRANGE FOR LINES TO BE TURNED OFF OR MOVED, CALL
CENTERPOINT ENERGY AT 713-207-2222.
VERIFICATION OF PRIVATE
UTILITY LINES
DATE:
CENTERPOINT ENERGY/NATURAL GAS FACILITIES
VERIFICATION ONLY.
(THIS SIGNATURE VERIFIES THAT YOU HAVE SHOWN CNP
NATURAL GAS LINES CORRECTLY
-NOT TO BE USED FOR CONFLICT VERIFICATION.) (GAS SERVICE LINES ARE
NOT SHOWN.) SIGNATURE VALID FOR SIX MONTHS.
NOTICE:
FOR YOUR SAFETY, YOU ARE REQUIRED BY TEXAS LAW TO
CALL 811 AT LEAST 48 HOURS BEFORE YOU DIG SO THAT
UNDERGROUND LINES CAN BE MARKED. THIS VERIFICATION
DOES NOT FULFILL YOUR OBLIGATION TO CALL 811.
DATE:
CENTERPOINT ENERGY/UNDERGROUND ELECTRICAL
FACILITIES VERIFICATION ONLY.
(THIS SIGNATURE VERIFIES EXISTING UNDERGROUND FACILITIES - NOT TO BE
USED FOR CONFLICT VERIFICATION.)
SIGNATURE VALID FOR SIX MONTHS.
AT&T TEXAS/SWBT UTILITY LINES SHOWN
APPROVED FOR AT&T TEXAS/SWBT UNDERGROUND CONDUIT FACILITIES ONLY.
SIGNATURE VALID FOR ONE YEAR.
DATE:
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
GAS LINE
ELECTRIC UNDERGROUND LINE
MISC UNDERGROUND LINES
SBC CONDUIT & BURIED CABLE
TOP OF BANK
FENCE (CHAIN LINK)
BUILDING
BUILDING OVERHANG
TREE LINE/BRUSH LINE
CURB LINE
GUARD RAIL/HAND RAIL
EDGE OF ASPHALT
UTILITY MARKER
CITY OF HOUSTON MONU.
DESCRIPTIONSYMBOL
GRATE INLET
C-INLET
STREET LIGHT, GAS LIGHT
MAIL BOX
SPRINKLER
SPRINKLER VALVE
BRICK COLUMN
SIGN
TREE
SIGNAL POLE
ELECTRIC BOX
METER POLE
GUY WIRE
POWER POLE
MH-ELECTRIC
CLEANOUT
GRATE INLET
E-INLET
B-INLET/BB-INLET
STM./SAN./WTR./ MANHOLE
PEDESTAL BOX
SBC MANHOLE
GAS VALVE
GAS METER
WATER METER
FIRE HYDRANT
WATER VALVE
TOE OF SLOPE
CHANNEL BASELINE
TOE OF SLOPE
TOP OF BANK
HCFCD ROW
EXISTING SYMBOLS
DESCRIPTIONSYMBOL
EXISTING PLAN
PROPOSED PLAN
DESCRIPTIONSYMBOL
PROP SHELF
DETAIL NUMBER
DRAWING NUMBER
NOTE: DRAWING NUMBER INCLUDED IN TITLE OF TITLE BLOCK.
PROP RIPRAP
FLOW
BASELINE
CENTER LINE
CONC CONCRETE
DESC DESCRIPTION
DIA DIAMETER
D/S DOWNSTREAM
E EAST
EOP EDGE OF PAVEMENT
EL ELEVATION
FLOW LINE
FH FIRE HYDRANT
FM FORCE MAIN OR FLOW METER
GALV GALVANIZED
HOUSTON LIGHTING & POWERHL&P
HOT MIX ASPHALTIC CONCRETEHMAC
HIGH POINTHP
INVERT ELEVATIONINV EL
INFLECTION POINTIP
LINEAR FEETLF
LEFTLT
MAXIMUMMAX
MANHOLEMH
MINIMUMMIN
NATURAL GROUNDNG
NORTHN
POINT OF CURVATUREPC
POINT ON CURVEPOC
POINT OF REVERSE CURVEPRC
PROPOSEDPROP
POINT OF TANGENCYPT
RADIUSR
REINFORCED CONCRETE PIPERCP
RIGHT OF WAYROW
RADIUS POINTRP
RAILROADRR
SANITARY SEWERSAN
SOIL BORING / BORE HOLESB/BH
SAFETY END TREATMENTSET
SANITARY SEWER EASEMENTSSE
STATIONSTA
STORM SEWERSTM
SOUTHWESTERN BELL
TELEPHONE
SWBT
AT@
SCHEDULESCH
REQUIREDREQ
POINT OF COMPOUND CURVATUREPCC
D DELTA
POINT OF INTERSECTIONPI
LENGTHL
COL COLUMN
HORIZONTALHORT
HCFCD HARRIS COUNTY FLOOD
CONTROL DISTRICT
C-C CENTER TO CENTER
DIP DUCTILE IRON PIPE
IRON RODIR
BOTTOMBOT
BEGINBEG
CLR CLEAR DISTANCE
CJ CONSTRUCTION JOINT
NOT TO SCALENTS
ON CENTER EACH WAYOCEW
PREPARATIONPREP
BL
CL
FL
PROP SLOPE PAVING
DT1
D1
DRAWING NUMBER*
ABBREVIATIONS
SET/FOUND IRON ROD
OR P.K. NAIL
TOP OF CURBTC
WITHW/
WESTW
WATERLINEWL
WATERLINE EASEMENTWLE
UTILITY EASEMENTUE
TYPICALTYP
UPSTREAMU/S
TANGENTT
VERTICALVERT
TYPETY
ABBREVIATIONS
X 5.9
VL
HL (MIN)
HL(MIN):VL
SIDE SLOPE LABELING
SIDE SLOPE LABELING
PROP BACKSLOPE SWALE
EXIST CONTOURS
EXIST ELEVATION
RIGHTRT
HIGH DENSITY POLYETHYLENE PIPEHDPE
RETAININGRET
STEELSTL
POINT OF VERTICAL INTERSECTIONPVI
BEGINNING VERTICAL CURVE STATIONBVCS
EVCS END VERTICAL CURVE STATION
BEGINNING VERTICAL CURVE ELEVATIONBVCE
EVCE END VERTICAL CURVE ELEVATION
PP1
CMP CORRUGATED METAL PIPE
EW EACH WAY
EXIST EXISTING
EXP EXPANSION
FG FINISH GRADE
FL,
POWER POLEPP
REINFORCED CONCRETE BOXRCB
SOUTHS
VERTICAL CURBVC
DESCRIPTIONSYMBOL
EXISTING UTILITIES
(SHOWN ON CHANNEL PLAN SHEETS)
T1 - ATT UNDERGROUND TELECOM
T2 - LEVEL 3 UNDERGROUND TELECOM
T3 - CONSOLIDATED UNDERGROUND TELECOM
T4 - FIBERLIGHT UNDERGROUND TELECOM
T5 - VERIZON UNDERGROUND TELECOM
T6 - WINDSTERAM UNDERGROUND TELECOM
T7 - ZAYO UNDERGROUND TELECOM
T9 - CROWN CASTLE UNDERGROUND TELECOM
C1 - COMCAST UNDERGROUND TELECOM
G1 - CNP UNDERGROUND GAS
E1 - CNP UNDERGROUND ELECTRIC
OHE1 - CNP OH ELECTRIC
WW1 - MUD 23 UNDERGROUND WASTE WATER
W1 - MUD 23 UNDERGROUND WATER
WW2 - MUD 170 UNDERGROUND WASTE WATER
W2 - MUD 170 UNDERGROUND WATER
SD2 - MUD 170 UNDERGROUND STORM DRAIN
SD3 - MUD 168 UNDERGROUND STORM DRAIN
WW3 - MUD 10 UNDERGROUND WASTE WATER
W3 - MUD 10 UNDERGROUND WATER
WW4 - MUD 09 UNDERGROUND WASTE WATER
W4 - MUD 09 UNDERGROUND WATER
WW5 - MUD 01 UNDERGROUND WASTE WATER
FM1 - UNKNOWN UNDERGROUND FORCE MAIN
OHT - UNKNOWN OH TELEPHONE
PL1 - KINDER MORGAN UNDERGROUND FORCE MAIN
PL2 - ENERGY TRANSFER UNDERGROUND FORCE MAIN
PL3 - WILLIAMS UNDERGROUND FORCE MAIN
PL4 - EXXON MOBIL UNDERGROUND FORCE MAIN
PL5 - MAGELLAN UNDERGROUND FORCE MAIN
PL6 - BP UNDERGROUND FORCE MAIN
PL7 - ENTERPRISE UNDERGROUND FORCE MAIN
- COH UNDERGROUND WATER
W6 - COH UNDERGROUND WATER
WW6
OHC1 - COMCAST OH TELECOM
OHT8 - PHONOSCOPE UG TELEPHONE
Houston, Texas 77092 9900 Northwest Freeway
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AutoCAD SHX Text
LINE
AutoCAD SHX Text S
AutoCAD SHX Text 5+00
AutoCAD SHX Text
AutoCAD SHX Text
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
Houston, Texas 77092 9900 Northwest Freeway
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PAY ITEM # SHORT DESCRIPTION QUANTITY UNIT
1555-01 TRAFFIC CONTROL 1 LS
1562-01 CONSTRUCTION FENCE 1,800 LF
2120-02 DEBRIS AND TRASH REMOVAL AND DISPOSAL IN LANDFILL 25 CY
2120-04 REMOVE AND DISPOSE OF ALL PIPE 1,315 LF
2120-09 REMOVE AND DISPOSE OF TIRES <= 16" 45 EA
2120-10 REMOVE AND DISPOSE OF TIRES > 16" 25 EA
2120-03 REMOVE AND DISPOSE OF CONCRETE RUBBLE AND CONCRETE STRUCTURES 174 CY
2120-33 DISMOUNT RIM (IF ATTACHED TO TIRE), ALL DIAMETERS 25 EA
2200-22 SITE PREPARATION AND RESTORATION, INCLUDING CLEARING AND GRUBBING , TREE
AND PLANT PROTECTION, AND FACILITY FOR ENGINEER 1 LS
2241-02 CARE AND CONTROL OF WATER 1 LS
2269-01 TRENCH SHORING SYSTEM, 5 TO 20 FEET 1,249 LF
2315-02 EXCAVATION AND OFF-SITE DISPOSAL 46,395 CY
2315-03 EXCAVATION AND FILL (ON-SITE MATERIAL) 9,513 CY
2315-04 IMPORTED FILL 9,513 CY
2315-06 BACKSLOPE DRAINAGE SYSTEM SWALE 2,200 LF
2361-02 REINFORCED SILT FENCE 27,060 LF
2365-01 STABILIZED CONSTRUCTION ACCESS 560 SY
2376-06 CONCRETE INTERCEPTOR STRUCTURE 288 SY
2378-01 RIPRAP, GRADATION NO. 1 7,310 SY
2378-22 RIPRAP, GRADATION NO. 1 14,531 TON
2378-03 RIPRAP, GRADATION NO. 2 609 SY
2378-06 GRANULAR FILL, 3"X5" INCHES 16,209 TON
2642-02 24-INCH CORRUGATED METAL PIPE 1,136 LF
2642-03 30-INCH CORRUGATED METAL PIPE 214 LF
2642-14 18-INCH TO 36-INCH CONCRETE COLLAR 2 EA
2751-01 5-INCH CONCRETE PAVEMENT 529 SY
2773-03 6-INCH CONCRETE CURB 400 LF
2840-06 REMOVE AND RE-INSTALL METAL BEAM GUARD FENCE 190 LF
2921-16 ANCHORED SODDING 49,424 SY
2928-02 HYDROMULCH TURFGRASS SEEDING 70,325 SY
1575-01 ALLIGATOR SNAPPING TURTLE EXCLUSION FENCE 4,200 LF
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
T204-00-00
T101-00-00
T103-03-00
T103-00-00
MASON CREEK
SOUTH
F
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T1
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BARKER
RESERVOIR
BUFF
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KINGSLAND BLVD
WESTHEIMER PKWY
WESTGREEN BLVD
HIGHLAND KNOLLS DR
0 1500'
GRAPHIC SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
T204-00-00
PROJECT
LOCATION
KINGSLAND BLVD
KINGSLAND BLVD
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ACCESS ROUTE
BARKER RESERVOIR
X
PROP CONSTRUCTION
FENCE
GRAPHIC SCALE IN FEET
400'
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LEGEND
STABILIZED CONSTRUCTION ACCESSSCA
NOTES
1. REFER TO SHEET 66 FOR STORMWATER
POLLUTION PREVENTION PLAN NOTES AND
PROJECT REQUIREMENTS
SCA
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
T101-00-00
LOCATION
MASON CREEK
T1
-0 1-
ACCESS ROUTE
20' W TREE CLEARING ADJACENT
TO CHANNEL FROM BAKER RD
TO T101-00-00
BAKER RD
BAKER RD
BA
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R R
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BA
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R
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GREENWIND CHASE DR
GREENWIND CHASE DR
BARKER RESERVOIR
SC
A
BARKER RESERVOIR
X
X
PROP CONSTRUCTION
FENCE
PROP CONSTRUCTION FENCE
(AT EXISTING PEDESTRIAN
BRIDGE)
ALTERNATE
ACCESS ROUTE
CONTRACTOR TO CONSTRUCT
LOW WATER CROSSING AS
REQUIRED. CROSSING
INCIDENTAL TO SPEC 02200
SITE PREPARATION.
X
PROP CONSTRUCTION FENCE
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
X
PROP CONSTRUCTION FENCE
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
X
PROP CONSTRUCTION FENCE
(AT EXISTING PEDESTRIAN
BRIDGE)
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
REMOVE, STOCKPILE, AND
REINSTALL WROUGHT IRON
FENCE AND GATE.X
PROP CONSTRUCTION FENCE
(AT EXISTING PEDESTRIAN
BRIDGE RAMP)
X
PROP CONSTRUCTION
FENCE
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
X
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
FR
Y
RD
STILLHOLLOW
LN
PROP CONSTRUCTION FENCE
(STILLHOLLOW LN
PEDESTRIAN RAMP)
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
X
PROP CONSTRUCTION FENCE
(AT HAZEL S PATTISON
ELEMENTARY SCHOOL TRAIL)
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
X
X
X
PROP CONSTRUCTION
FENCE
PROP CONSTRUCTION
FENCE
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
TRAIL CLOSED SIGN (R9-9)
SIDEWALK
CLOSED
TRAIL CLOSED
SIGN (R9-9)
SIDEWALK
CLOSED
PROP CONSTRUCTION FENCE
0 500'
GRAPHIC SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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STABILIZED CONSTRUCTION ACCESSSCA
NOTES
1. REFER TO SHEET 67 FOR STORMWATER
POLLUTION PREVENTION PLAN NOTES AND
PROJECT REQUIREMENTS
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
SOUTH
F
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T103-00-00
PROJECT
LOCATION
ACCESS ROUTE
BARKER RESERVOIR
BARKER RESERVOIR
X
X
X
PROP CONSTRUCTION
FENCE
PROP CONSTRUCTION
FENCE
PROP CONSTRUCTION
FENCE
SIDEWALK
CLOSED
SIDEWALK
CLOSED
CONTRACTOR TO CONSTRUCT
LOW WATER CROSSING AS
REQUIRED. CROSSING
INCIDENTAL TO SPEC 02200
SITE PREPARATION.
TRAIL CLOSED
SIGN (R9-9)
TRAIL CLOSED
SIGN (R9-9)
TRAIL CLOSED
SIGN (R9-9)
SIDEWALK
CLOSED
0 750'
GRAPHIC SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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STABILIZED CONSTRUCTION ACCESSSCA
NOTES
1. REFER TO SHEET 69-70 FOR STORMWATER
POLLUTION PREVENTION PLAN NOTES AND
PROJECT REQUIREMENTS
SC
A
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
T103-03-00
LOCATION
SOUTH
F
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WESTHEIMER PKWY
WESTGREEN BLVD
ACCESS ROUTE
BARKER RESERVOIR
BARKER RESERVOIR
X
X
PROP CONSTRUCTION
FENCE
PROP CONSTRUCTION
FENCE
TRAIL CLOSED
SIGN (R9-9)
TRAIL CLOSED
SIGN (R9-9)
SIDEWALK
CLOSED
SIDEWALK
CLOSED
0 500'
GRAPHIC SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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STABILIZED CONSTRUCTION ACCESSSCA
NOTES
1. REFER TO SHEET 68 FOR STORMWATER
POLLUTION PREVENTION PLAN NOTES AND
PROJECT REQUIREMENTS
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
SHEET 20 SHEET 19 SHEET 18
SHEET 17
1+00
5+00
10+00 15+0020+0025+00
W
SHEET 27
SHEET 26
SHEET 25
1+00
5+0010+00
15+00
Houston, Texas 77092 9900 Northwest Freeway
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H.C.F.C.D. UNIT NO. T204-00-00
H.C.F.C.D. UNIT NO. T101-00-00
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GRAPHIC SCALE IN FEET
200'
GRAPHIC SCALE IN FEET
200'
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
BUFF
ALO
B
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SHT 30 &50
SHT 49 SHT 48 SHT 47 SHT 46 SHT 45 SHT 44 SHT 43
SHT 42 SHT 41
SHT 40
SH
T
SH
T
SHT 33
SHT 34
1+
5+
+0
+0
20+00 25+00
30+00
0+00
5+00
10+00
15+00
20+00
25+00
30+00
35+00
40+00
45+00
50+00
55+00
60+00
65+00 68+00
Houston, Texas 77092 9900 Northwest Freeway
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GRAPHIC SCALE IN FEET
500'
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
GRAPHIC SCALE IN FEET
200'
GRAPHIC SCALE IN FEET
150'
OF 7114 7273
300'
0 300'
OF 7115 7273
40'
OF 7116 7273
XXXXXXXXXXXX
BACKSLOPE SWALE
EXIST TOP
OF BANK
EXIST TOP
OF BANK
WOODED AREA
BACKSLOPE SWALE
BOREHOLE #3
ELEV=95.66'
EXIST 36" CMP
FL=91.76'
FL=93.66'
C O
N C
EXIST 24" CMP FL=94.55'
FL=91.60'
FL=89.82'
EXIST 24" CMP
(TO REMAIN)
CONTROL POINT #13 CONC
CHAIN LINK FENCE/
WOOD FENCE PI
WOODED
AREA
PROP
CLEARING
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 30" CMP.
STA 4+57.12
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 24" CMP.
STA:3+79.87
PROP TOE
PROP TOEPROP TOE
STA 3+66.46
11.36 RT
PROP TOE
STA 3+67.23
7.76 LT
COMMERCIAL PROPERTYEXIST CONC SLOPE
PAVING TO REMAIN
CONC
BARKER RESERVOIR
CALLED 27.5900 ACRES
H.C.D.R. VOL 2248, PAGE 463
8.779 ACRE EASEMENT
HARRIS COUNTY FLOOD CONTROL
H.C.C.F. NO. N951295
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
HCFCD ROW
20'
BOTTOM WIDTH
0'
A
PP
R O
X H
C
FC
D E
SM
T2+00 3+00 4+00 5+00 6+00 7+00 8+00
START FILL &
SEDIMENT REMOVAL
STA 3+66.84
PROP TOP OF BANK
PROP TOP
OF BANK
PROP TOB
STA 3+69.71
28.17 RT
PROP TOB
STA 5+51.64
24.88 LT
PROP TOB
STA 6+31.17
25.24 LT
PROP TOB
STA 7+42.96
25.43 LT
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
HCFCD ROW
2+00 3+00 4+00 5+00 6+00 7+00 8+00
EXIST GRADE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
PROP GRADE
@ FLOW LINE
EXIST 24" CMP
PROP 24" CMP
EXIST 24" CMP
EXIST 36" CMP
PROP 30" CMP
PROP FLOWLINE
STA:3+66.84
ELEV:89.92'
FL @ 0.12%
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
SWALE LP
STA:3+79.86
ELEV:92.81'
SWALE LP
STA:4+57.06
ELEV:93.66'
SWALE END
STA:5+07.05
ELEV:95.50'
SWALE END
STA:5+08.39
ELEV:95.83'
SWALE BEGIN
STA:2+51.87
ELEV:95.33'
SWALE BEGIN
STA:4+07.06
ELEV:95.27'
Houston, Texas 77092 9900 Northwest Freeway
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PL
A
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P R
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HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
M
AT
C H
L
IN
E
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A.
8+
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
FLOW DIRECTION
GRADE 1 RIP RAP
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
X X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
G
ATE PO
ST
G
ATE PO
ST
BACKSLOPE SWALE
EXIST
36" CMP
EXIST TOP
OF BANK
WOODED AREA
WOODED AREA
BACKSLOPE SWALE
FL=93.91'
FL=91.88'
FL=91.78'
EXIST
24" CMP
C O
N C
C O
N C
FL=94.04'
EXIST TOP
OF BANK
BOREHOLE #2
ELEV=98.90'
CONCRETE APRON
FL=90.93'
EXIST 24"
CMP
C O
N C
W O
O D
ED
AR
EA
FL=94.04'
CONTROL
POINT #12
EXIST TOE/
EDGE OF WATER
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 30" CMP.
STA 10+11.71
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 24" CMP.
STA 10+13.71
PROP TOE
PROP TOE
20'
BOTTOM WIDTH
PROP TOE
STA 13+30.62
11.23 RT
PROP TOE
STA 13+30.07
7.88 LT
PROP TOE
STA 11+97.44
11.10 RT
PROP TOE
STA 11+97.45
8.90 LT
C O
M M
ER
C
IA
L
PR
O
PE
R
TY
EXIST CONC APRON
TO REMAINBARKER RESERVOIR
CALLED 27.5900 ACRES
H.C.D.R. VOL 2248, PAGE 463
EXIST BACKSLOPE INTERCEPTOR
STRUCTURE AND PIPE TO REMAIN
CALLED 1.6308 ACRES
H.C.C.F. NO. F688724
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
HCFCD ROW
0'
A
PP
R O
X H
C
FC
D E
SM
T8+00
9+00
10+00 11+00
12+00 13+00
14+00
PROP TOB
STA 13+30.82
24.93 LT
PROP TOB
STA 13+32.68
31.71 RT
8.779 ACRE EASEMENT
HARRIS COUNTY FLOOD CONTROL
H.C.C.F. NO. N951295
PROP TOP OF BANK
END FILL &
SEDIMENT REMOVAL
STA 11+97.44
START FILL &
SEDIMENT REMOVAL
STA 13+30.32
PROP TOP OF BANK
PROP TOP
OF BANK
PROP TOB
STA 11+96.89
24.92 LT
PROP TOB
STA 11+50.85
29.69 RT
8+00 9+00 10+00 11+00 12+00 13+00 14+00
EXIST GRADE
PROP GRADE
@ FLOW LINE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
EXIST 36" CMP
PROP 24" CMPEXIST 24" CMP
EXIST 24" CMP
PROP FLOWLINE
STA:11+97.44
ELEV:90.92'
PROP FLOWLINE
STA:13+30.32
ELEV:90.92'
FL @ 0.12% FL @ 0.01%
PROP SOUTH
TOP OF BANK
PROP NORTH
TOP OF BANK
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
PROP 30" CMP
SWALE LP
STA:10+13.72
ELEV:94.04'
SWALE LP
STA:10+11.64
ELEV:93.91'
SWALE END
STA:10+61.40
ELEV:94.54'
SWALE END
STA:10+63.65
ELEV:95.22'
SWALE BEGIN
STA:9+63.72
ELEV:95.07'
SWALE BEGIN
STA:9+61.65
ELEV:94.40'
Houston, Texas 77092 9900 Northwest Freeway
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H.C.F.C.D. UNIT NO. T204-00-00
PL
A
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A R
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VO
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T2
-0
0-
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
M
AT
C H
L
IN
E
ST
A.
+0
M
AT
C H
L
IN
E
ST
A.
8+
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
FLOW DIRECTION
GRADE 1 RIP RAP
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
XXX
XXXXXXXXXXXXX
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
PO
ST
BACKSLOPE SWALEWOODED AREA
BACKSLOPE SWALEWOODED AREA
EXIST 24" CMP
FL= 92.32
C O
N C
FL= 94.28
FL= 91.81
EXIST 36" CMP
C O
N C
FL= 94.01
EXIST TOE/
EDGE OF WATER
EXIST TOP
OF BANK
EXIST TOP OF BANK
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 24" CMP.
STA 15+29.68
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 30" CMP.
STA 15+28.12
PROP TOE
PROP TOE
BARKER RESERVOIR
CALLED 27.5900 ACRES
H.C.D.R. VOL 2248, PAGE 463
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
8.779 ACRE EASEMENT
HARRIS COUNTY FLOOD CONTROL
H.C.C.F. NO. N951295
HCFDC ROW
0'
A
PP
R O
X H
C
FC
D E
SM
T14+00 15+00 16+00 17+00 18+00 19+00 20+00
15'
BOTTOM WIDTH
18507 KINGSLAND BLVD
HOUSTON, TX 77094
18511 KINGSLAND BLVD
HOUSTON, TX 77094
18601 KINGSLAND BLVD
HOUSTON, TX 77094
START FILL
STA 18+60.36
SEE NOTE 3
PROP TOP
OF BANK
PROP TOP
OF BANK
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
14+00 15+00 16+00 17+00 18+00 19+00 20+00
EXIST GRADE
PROP GRADE
@ FLOW LINE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
EXIST 36" CMP
EXIST 24" CMP PROP 24" CMP
PROP 30" CMP
FL @ 0.01%
STA:18+68.25
ELEV:90.96'
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
SWALE LP
STA:15+28.12
ELEV:94.01'
SWALE LP
STA:15+29.68
ELEV:94.28'
SWALE END
STA:15+79.68
ELEV:94.51'
SWALE END
STA:15+78.11
ELEV:94.74'
SWALE BEGIN
STA:14+78.13
ELEV:95.08'
SWALE BEGIN
STA:14+80.34
ELEV:94.61'
Houston, Texas 77092 9900 Northwest Freeway
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SG
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FOR BID
JS
H.C.F.C.D. UNIT NO. T204-00-00
PL
A
N A
N D
P R
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T O
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VO
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0-
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
M
AT
C H
L
IN
E
ST
A.
+0
M
AT
C H
L
IN
E
ST
A.
+0
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
FLOW DIRECTION
GRADE 1 RIP RAP
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
XXXXX ////
XXXXXXXXXX
G
ATE PO
ST
G
ATE PO
ST
CONTROL POINT #11
WOODED AREA
BACKSLOPE SWALE
CONC
BORHOLE #1
ELEV=95.38
FL=94.13'
FL=92.34'
FL=92.38'
EXIST
36" CMP
EXIST
24" CMP
EXIST TOE/
EDGE OF WATER
EXIST TOP OF BANK
BACKSLOPE SWALE
FL=94.24'
CONC
EXIST TOP
OF BANK
PROP TOE
PROP TOE
BARKER RESERVOIR
CALLED 27.5900 ACRES
H.C.D.R. VOL 2248, PAGE 463
CONC RIPRAP
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
BEGIN BACKSLOPE
SWALE GRADING
SEE NOTE 1
8.779 ACRE EASEMENT
HARRIS COUNTY FLOOD CONTROL
H.C.C.F. NO. N951295 HCFCD ROW
0'
A
PP
R O
X H
C
FC
D E
SM
T20+00 21+00 22+00 23+00 24+00 25+00 26+00
15'
BOTTOM WIDTH
CONC RIPRAP
H
AR
BO
U
R S
AN
D
S D
R H
O U
ST
O
N , T
X
18703 KINGSLAND BLVD
HOUSTON, TX 77094
18611 KINGSLAND BLVD
HOUSTON, TX 77094
18601 KINGSLAND BLVD
HOUSTON, TX 77094
PROP TOE
STA 24+24.69
6.89 RT
PROP TOE
STA 24+24.69
4.60 LT
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 30" CMP.
STA:22+32.71
REMOVE AND DISPOSE OF EXIST BACKSLOPE
INTERCEPTOR STRUCTURE AND PIPE. INSTALL NEW
BACKSLOPE INTERCEPTOR STRUCTURE WITH 24" CMP.
STA:22+33.37
END FILL &
SEDIMENT REMOVAL
STA 24+24.69
END FILL
STA 22+18.44
START FILL
STA 22+35.71
PROP TOB
STA 23+77.55
24.04 LT
PROP TOB
STA 23+63.35
27.21 RT
PROP TOP
OF BANK
PROP TOP
OF BANK
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
END BACKSLOPE
SWALE GRADING
SEE NOTE 1
20+00 21+00 22+00 23+00 24+00 25+00 26+00
EXIST GRADE
PROP GRADE
@ FLOW LINE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
PROP 24" CMP
PROP 30" CMP
EXIST 36" CMP
EXIST 24" CMP
PROP FLOWLINE
STA:24+24.69
ELEV:90.99'
FL @ 0.01%
STA:22+08.51
ELEV:90.98'
STA:22+38.10
ELEV:90.98'
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK SWALE LP
STA:22+33.37
ELEV:94.13'
SWALE LP
STA:22+32.71
ELEV:94.24'
SWALE END
STA:22+82.71
ELEV:94.79'
SWALE END
STA:22+83.10
ELEV:94.55'
SWALE BEGIN
STA:21+83.15
ELEV:94.63'
SWALE BEGIN
STA:21+83.15
ELEV:94.86'
Houston, Texas 77092 9900 Northwest Freeway
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JS
H.C.F.C.D. UNIT NO. T204-00-00
PL
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VO
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T2
-0
0-
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
M
AT
C H
L
IN
E
ST
A.
+0
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
FLOW DIRECTION
GRADE 1 RIP RAP
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
STA 4+00
0 20 40 600204060
R O
W
STA 5+00
0 20 40 600204060
R O
W
STA 7+00
0 20 40 600204060
R O
W
19' BOTTOM
EXIST
CHANNEL CHANNEL
PROP FL=90.23
PROP FL=90.32
PROP FL=90.08
PROP SLOPE3
3.5
R O
W
100' HCFCD ESMT
WSE=90.50
WSE=90.78
20' BOTTOM
CHANNEL
1 PROP SLOPE
EXIST
CHANNEL
100' HCFCD ESMT
R O
W
20' BOTTOM
CHANNEL
1 PROP SLOPE
EXIST
CHANNEL
100' HCFCD ESMT
R O
W
WSE=90.85
2.0% 8'
2.0%
8'
0.9%
12'
Houston, Texas 77092 9900 Northwest Freeway
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10/03/25
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0 20'
JS
C R
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VO
IR
T2
-0
0-
NOTES
1. ALL CROSS SECTIONS ARE LOOKING
UPSTREAM
2. CUT AND FILL VOLUMES WERE
GENERATED USING AUTOCAD CIVIL 3D
COMPARING THE EXIST GROUND
SURFACE TO THE PROP GROUND
SURFACE
3. CONTRACTOR TO PLACE UP TO 1FT
DEPTH OF 3"X5" GRANULAR FILL AS
REQUIRED BELOW NORMAL WSE FOR
SUBGRADE STABILIZATION IN
SATURATED CONDITIONS. PROJECT
PERMITTING LIMITS 3"X5" GRANULAR
FILL TO AREAS SHOWN ON DRAWINGS.
NO ADDITIONAL QUANTITY PERMITTED
WITHIN THE RESERVOIR WITHOUT
PRIOR ENGINEERING APPROVAL.
4. CONTRACTOR TO MAINTAIN GROUND
AND SURFACE WATER CONDITIONS
WITHIN THE CHANNEL TO
ADEQUATELY CONTROL AND/OR
BYPASS NORMAL FLOW DURING
CONSTRUCTION. REFER TO
SPECIFICATION 02241 CARE AND
CONTROL OF WATER AND 02315
EXCAVATING AND BACKFILLING.
FILL AREA
CUT AREA
RIP RAP
3"X5"
GRANULAR FILL
T204-00-00
SURFACE AREA
(SF)
CUT
(CY)
FILL
(CY)
NET
(CY)
TOTAL 1,035 407 628<CUT> 142,721
STA 9+00
0 20 40 600204060 R
O W
R O
W
STA 11+00
0 20 40 600204060
R O
W
STA 13+00
0 20 40 600204060
R O
W
R O
W
EXIST CONCRETE
CHANNEL LINING
PROP FL=90.56
PROP FL=90.80
20' BOTTOM
CHANNEL
PROP SLOPE
100' HCFCD ESMT
R O
W
20' BOTTOM
CHANNEL
PROP SLOPE
100' HCFCD ESMT
R O
W
WSE=90.93
WSE=91.22
WSE=91.37
100' HCFCD ESMT
EXIST
CHANNEL
EXIST
CHANNEL
2.0%
14'
2.0%2.0%
15' 12'
Houston, Texas 77092 9900 Northwest Freeway
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SHEET NUMBER
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10/03/25
SG
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FOR BID
JS
C R
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S W
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H
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VO
IR
T2
-0
0-
0 20'
NOTES
1. ALL CROSS SECTIONS ARE LOOKING
UPSTREAM
2. CUT AND FILL VOLUMES WERE
GENERATED USING AUTOCAD CIVIL 3D
COMPARING THE EXIST GROUND
SURFACE TO THE PROP GROUND
SURFACE
3. CONTRACTOR TO PLACE UP TO 1FT
DEPTH OF 3"X5" GRANULAR FILL AS
REQUIRED BELOW NORMAL WSE FOR
SUBGRADE STABILIZATION IN
SATURATED CONDITIONS. PROJECT
PERMITTING LIMITS 3"X5" GRANULAR
FILL TO AREAS SHOWN ON DRAWINGS.
NO ADDITIONAL QUANTITY PERMITTED
WITHIN THE RESERVOIR WITHOUT
PRIOR ENGINEERING APPROVAL.
4. CONTRACTOR TO MAINTAIN GROUND
AND SURFACE WATER CONDITIONS
WITHIN THE CHANNEL TO
ADEQUATELY CONTROL AND/OR
BYPASS NORMAL FLOW DURING
CONSTRUCTION. REFER TO
SPECIFICATION 02241 CARE AND
CONTROL OF WATER AND 02315
EXCAVATING AND BACKFILLING.
FILL AREA
CUT AREA
RIP RAP
3"X5"
GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
STA 15+00
0 20 40 600204060
R O
W
STA 17+00
0 20 40 600204060
R O
W
STA 19+00
0 20 40 600204060
R O
W
R O
W
PROP FL=90.96
PROP FL=90.93
PROP FL=90.95
15' BOTTOM
CHANNEL
1 PROP SLOPE
100' HCFCD ESMT
R O
W
15' BOTTOM
CHANNEL
PROP SLOPE
100' HCFCD ESMT
R O
W
15' BOTTOM
CHANNEL
1 PROP
SLOPE
100' HCFCD ESMT
WSE=91.21
WSE=91.07
WSE=91.28
EXIST
CHANNEL
EXIST
CHANNEL
EXIST
CHANNEL
2.0% 2.0%
2.0%
2.0%2.0% 12' 13'
2.0%
13' 12'
13' 13'
Houston, Texas 77092 9900 Northwest Freeway
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DATE:
SHEET NUMBER
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10/03/25
SG
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FOR BID
D G
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9+
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H
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R
ES
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VO
IR
T2
-0
0-
0 20'
NOTES
1. ALL CROSS SECTIONS ARE LOOKING
UPSTREAM
2. CUT AND FILL VOLUMES WERE
GENERATED USING AUTOCAD CIVIL 3D
COMPARING THE EXIST GROUND
SURFACE TO THE PROP GROUND
SURFACE
3. CONTRACTOR TO PLACE UP TO 1FT
DEPTH OF 3"X5" GRANULAR FILL AS
REQUIRED BELOW NORMAL WSE FOR
SUBGRADE STABILIZATION IN
SATURATED CONDITIONS. PROJECT
PERMITTING LIMITS 3"X5" GRANULAR
FILL TO AREAS SHOWN ON DRAWINGS.
NO ADDITIONAL QUANTITY PERMITTED
WITHIN THE RESERVOIR WITHOUT
PRIOR ENGINEERING APPROVAL.
4. CONTRACTOR TO MAINTAIN GROUND
AND SURFACE WATER CONDITIONS
WITHIN THE CHANNEL TO
ADEQUATELY CONTROL AND/OR
BYPASS NORMAL FLOW DURING
CONSTRUCTION. REFER TO
SPECIFICATION 02241 CARE AND
CONTROL OF WATER AND 02315
EXCAVATING AND BACKFILLING.
FILL AREA
CUT AREA
RIP RAP
3"X5"
GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
STA 21+00
0 20 40 600204060
STA 23+00
0 20 40 600204060
PROP FL=90.97
PROP FL=90.98
15' BOTTOM
CHANNEL
1 PROP SLOPE
100' HCFCD ESMT
R O
W
R O
W
15' BOTTOM
CHANNEL
1 PROP SLOPE
100' HCFCD ESMT
R O
W R O
W
WSE=91.13
WSE=91.18
EXIST
CHANNEL
EXIST
CHANNEL
2.0% 2.0%
2.0%2.0%
13' 11'
13' 12'
Houston, Texas 77092 9900 Northwest Freeway
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DATE:
SHEET NUMBER
OF 73
10/03/25
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FOR BID
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NOTES
1. ALL CROSS SECTIONS ARE LOOKING
UPSTREAM
2. CUT AND FILL VOLUMES WERE
GENERATED USING AUTOCAD CIVIL 3D
COMPARING THE EXIST GROUND
SURFACE TO THE PROP GROUND
SURFACE
3. CONTRACTOR TO PLACE UP TO 1FT
DEPTH OF 3"X5" GRANULAR FILL AS
REQUIRED BELOW NORMAL WSE FOR
SUBGRADE STABILIZATION IN
SATURATED CONDITIONS. PROJECT
PERMITTING LIMITS 3"X5" GRANULAR
FILL TO AREAS SHOWN ON DRAWINGS.
NO ADDITIONAL QUANTITY PERMITTED
WITHIN THE RESERVOIR WITHOUT
PRIOR ENGINEERING APPROVAL.
4. CONTRACTOR TO MAINTAIN GROUND
AND SURFACE WATER CONDITIONS
WITHIN THE CHANNEL TO
ADEQUATELY CONTROL AND/OR
BYPASS NORMAL FLOW DURING
CONSTRUCTION. REFER TO
SPECIFICATION 02241 CARE AND
CONTROL OF WATER AND 02315
EXCAVATING AND BACKFILLING.
FILL AREA
CUT AREA
RIP RAP
3"X5"
GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
CONTROL POINT #10
WOODED AREA
WOODED AREA
WOODED AREA
1' DIRT PATH
1' DIRT PATH
BOREHOLE #7
ELEV=93.43'
EXIST TOE/
EDGE OF WATER
EXIST TOE/
EDGE OF WATER
EXIST TOP OF BANK
EXIST TOP OF BANK
EXIST TOP
OF BANK
EXIST TOE/
EDGE OF WATER
EXIST TOE/
EDGE OF WATER
PROP TOE
PROP TOP
OF BANK
PROP TOP
OF BANK
PROP TOE
BARKER RESERVOIR
PROP TOE
STA 1+12.12
64.34 RT
PROP TOE
STA 1+10.49
20.17 LT
PROP TOB
STA 1+10.00
43.70 LT
PROP TOB
STA 1+12.33
75.68 RT
HCFCD ROW
BO
TT
O M
W
ID
TH
VA
R
IE
S
0'
AP
PR
O X
H C
FC
D
R O
W
0'
1+00 2+00
3+00 4+00 5+00 6+00
7+00
PROP
TOB=92.82
PROP
TOB=91.27
PROP
TOB=92.23
PROP
TOB=93.12
PROP
TOB=93.05
PROP
TOB=93.71
PROP TOE
STA 5+21.69
53.23 LT
PROP TOE
STA 5+48.22
66.50 RT
HCFCD ROW
START SEDIMENT
REMOVAL
STA 1+10.00
START FILL
STA 1+10.46
SEE NOTE 3
END FILL
STA 3+16.33
START SEDIMENT
REMOVAL
STA 1+12.33
PROP CLEARING
MAINTAIN MIN 20' W
FROM TOP OF BANK
PROP CLEARING
MAINTAIN MIN 20' W
FROM TOP OF BANK
1+00 2+00 3+00 4+00 5+00 6+00 7+00
EXIST GRADE
EXIST NORTH
TOP OF BANKEXIST SOUTH
TOP OF BANKPROP SOUTH
TOP OF BANK
PROP NORTH
TOP OF BANK
PROP 3"X5" GRANULAR
FILL
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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DATE:
SHEET NUMBER
OF 73
10/03/25
SG
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SG
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ISSUED
FOR BID
D G
H.C.F.C.D. UNIT NO. T101-00-00
PL
A
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7+
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
GRADE 1 RIP RAP
FLOW DIRECTION
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
1' DIRT PATH
CONTROL POINT #9
FL=87.53'
EXIST 24" CMP
WOODED AREA
EXIST TOP OF BANK
PROP GRADE 1 RIPRAP
PROP TOP OF BANK
PROP TOE
BARKER RESERVOIR
PROP TOE
STA 10+90.43
54.63 RT
REMOVE AND DISPOSE
EXIST 24" CMP TO
LIMITS SHOWN
INSTALL AND CONNECT NEW
24" CMP TO EXIST 24" CMP
WITH A COLLAR
HCFCD ROW
0'
BO
TT
O M
W
ID
TH
0'
AP
PR
O X
H C
FC
D
R O
W7+00 8+00 9+00 10+00 11+00
EXIST TOE/
EDGE OF WATER
PROP
TOB=95.30
PROP
TOB=94.96
PROP
TOB=95.12
PROP
TOB=95.31
PROP TOB
STA 10+03.28
90.13 LT
PROP TOP OF BANK
HCFCD ROW
PROP CLEARING MAINTAIN
MIN 20' CLEARING FROM
TOP OF BANK
START
GRADE 1 RIPRAP
STA 8+39.70 PROP CLEARING MAINTAIN
MIN 20' CLEARING FROM
TOP OF BANK
7+00 8+00 9+00 10+00 11+00
EXIST GRADE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
PROP GRADE 1 RIP RAP
SEE NOTE 4
PROP 24" CMP
EXIST 24" CMP
1.5'
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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DATE:
SHEET NUMBER
OF 73
10/03/25
SG
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SG
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ISSUED
FOR BID
M
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IN
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7+
M
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H.C.F.C.D. UNIT NO. T101-00-00
D G
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H
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A R
K
ER
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ES
ER
VO
IR
T1
-0
0-
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO PLACE ONE
LAYER OF GRADE 1 RIP RAP FOR
SCOUR PREVENTION.
5. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
GRADE 1 RIP RAP
FLOW DIRECTION
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
W
G
ATE PO
ST
G
ATE PO
ST
D O
U
BLE
SU
PPO
R
T SIG
N
SIG
N
W
ELL
N
AIL
1' DIRT PATH
C O
N C
R
ET
E R
IP
-R
AP
SHEET PILE WEIR
WOODED AREA
WOODED AREA
WOODED AREA
BOREHOLE #6
ELEV=98.80'
1' DIRT PATH
1' DIRT
PATH
CONTROL
POINT #8
10' ASPHALT WALK
FL=89.94'
EXIST 24" CMP
FL=91.48'
EXIST 36" CMP
(10)BOLLARDS
EXIST TOP OF BANK
EXIST TOP OF BANK
EXIST TOE/
EDGE OF WATER
EXIST TOE/
EDGE OF WATER
REMOVE AND DISPOSE OF EXIST 24" CMP TO
NEAREST COMPETENT JOINT. CONNECT
PROP 24" CMP TO EXIST WITH COLLAR.
SEE NOTE 3
PROP 3"X5" ROCK WEDGE
1/3 UP SLOPE
PROP TOE
PROP TOP OF BANK
PROP 24" CMP
PROP TOE
STA 13+12.58
52.39 LT
PROP TOE
STA 13+12.37
22.60 RT
PROP TOB
STA 13+13.51
59.54 RT
PROP TOB
STA 13+13.62
88.58 LT
PROP TOE
STA 12+12.03
54.08 LT
REMOVE AND
DISPOSE OF
EXIST ACB MAT
HCFCD ROW
BO
TT
O M
W
ID
TH
VA
R
IE
S
0'
AP
PR
O X
H C
FC
D
R O
W
11+00 12+00 13+00 14+00 15+00 16+00 16+91
PROP
TOB=96.94
PROP GRADE 2 RIPRAP
PROP TOE
PROP TOB
STA 11+09.66
92.30 LT
PROP TOP OF BANK
HCFCD ROW
PROP CLEARING
PROVIDE MIN 20' CLEAR FROM TOB
END
GRADE 1 RIPRAP
STA 11+24.23
END SEDIMENT
REMOVAL
STA 12+81.96
11+00 12+00 13+00 14+00 15+00 16+00 17+00
EXIST GRADE
EXIST NORTH
TOP OF BANK
EXIST SOUTH
TOP OF BANK
PROP GRADE 2
RIP RAP
EXIST 24" CMP
EXIST 36" CMP
PROP 24" CMP
PROP NORTH
TOP OF BANK
PROP SOUTH
TOP OF BANK
PROP GRADE 1 RIP RAP
SEE NOTE 4
PROP 3"X5" GRANULAR
FILL
0 50'
0 4'
HORIZONTAL GRAPHIC
SCALE IN FEET
VERTICAL GRAPHIC
SCALE IN FEET
Houston, Texas 77092 9900 Northwest Freeway
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PR
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C H
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A
PP
R O
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DATE:
SHEET NUMBER
OF 73
10/03/25
SG
R
SG
R
ISSUED
FOR BID
M
AT
C H
L
IN
E
ST
A.
+0
D G
H.C.F.C.D. UNIT NO. T101-00-00
PL
A
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N D
P R
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ST
A
3+
T O
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TA
6+
R
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A N
N
EL
S W
IT
H
IN
B
A R
K
ER
R
ES
ER
VO
IR
T1
-0
0-
NOTES
1. GRADE BACKSLOPE SWALES TO
DRAIN TO PROPOSED AND
EXISTING STRUCTURES.
2. REMOVE AND DISPOSE OF ALL SILT
MOUNDS THAT ARE BLOCKING
FLOW IN THE CHANNEL, INCLUDING
THOSE THAT ARE NOT SHOWN ON
THE PLANS.
3. FILL EROSION AREAS USING
IMPORTED FILL (TYP.) TO MATCH
ADJACENT GRADES ALONG
CHANNEL, IF ON-SITE FILL IS
DEEMED UNSUITABLE FOR RE-USE.
4. CONTRACTOR TO PLACE ONE
LAYER OF GRADE 1 RIP RAP FOR
SCOUR PREVENTION.
5. CONTRACTOR TO UTILIZE 3"X5"
GRANULAR FILL FOR COMPACTION
OF FILL WHERE NECESSARY.
CONTRACTOR SHALL COORDINATE
WITH ENGINEER FOR APPROVAL
BEFORE PLACEMENT OF FILL.
FILL AREA
CUT AREA
FLOW DIRECTION
GRADE 1 RIP RAP
3"X5" GRANULAR FILL
AutoCAD SHX Text 4424 W Sam Houston Parkway N, Suite 600, Houston, Texas 77040 713.462.3242 | fax 713.462.3262 www.cobbfendley.com
STA 2+00
0 20 40 60 80 100 120020406080100120
STA 4+00
0 20 40 60 80 100 120020406080100120
STA 6+00
0 20 40 60 80 100 120020406080100120
PROP FL=83.78
EXIST CHANNEL
CHANNEL
CHANNEL
PROP SLOPE
PROP SLOPE
WSE=87.46
WSE=87.22
EXIST CHANNEL
CHANNE…
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