19-Attachment S - Plans and Drawings.pdf
PDF 42 MB Posted
- Solicitation number
- 26/0145
- Issued by
- Harris County, Texas
About this file
This document comprises the Plans and Drawings attachment for the Construction of the Meyergrove Stormwater Detention Basin – Phase 2 project (Project ID: D500-16-00-E001) for the Harris County Flood Control District (HCFCD), located in Houston, Texas along Brays Bayou. The project involves the construction of a stormwater detention basin with associated infrastructure including concrete channel lining, trails, pipe outfalls, interceptor structures, and stormwater pollution prevention measures. The drawings package includes 26 sheets detailing the overall project layout, excavation plans, trail alignment and control plans, cross-sections, control data summary, utility notes, and comprehensive construction details. Key project components include approximately 37 linear feet of 24-inch HDPE pipe, precast safety end treatments, concrete maintenance ramps with 8:1 slopes, backslope swales, urban interceptor structures, and concrete channel lining with weep holes. The project requires careful coordination with existing utilities including CenterPoint Energy gas facilities, AT&T/SWBT telecommunications lines, and a 12-inch City of Houston water line. Environmental considerations include protection of migratory bird nesting habitat, bat protection measures (with tree removal restrictions between May 1 and July 15), and wetland area preservation, with tree clearing activities limited to October 1 through March 15.
The project disturbs approximately 2 acres and requires comprehensive stormwater pollution prevention planning, including reinforced silt fencing, stabilized construction access points, sodding on slopes, and inlet protection measures. Construction activities are subject to TPDES General Permit requirements under the Clean Water Act, with temporary and permanent erosion control measures required throughout the project duration. The contractor must obtain written authorization for any private property access and is responsible for all utility locating through the Texas 811 call center, with special provisions for hand excavation within 18 inches of underground facilities. The work includes traffic control for one-lane closures on N. Braeswood Boulevard with flagman coverage during daytime hours, and completed sections of the channel are to be turned over in maximum 1,500 linear-foot segments. Payment for various work items including stabilized construction access, reinforced silt fencing, sodding, concrete channel lining, and interceptor structures is distributed across the unit price schedule per HCFCD specification sections, with funding provided by FEMA for this flood control improvement project.
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KEY MAP 531R
LOCATION MAP
VICINITY MAP
PROJECT ID# D500-16-00-E001
MEYERGROVE PHASE 2
STORMWATER DETENTION BASIN
PCT. 1
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 1
PRECINCT 2
PROJECT
LOCATION
LOCATION
PROJECT
BRAYS B
AYOU
D100-00 -00
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E155492 Placed Image
Curtis.Russell Snapshot
Curtis.Russell Text Box WBS No.: M-43HCFC-0018-7
1 COVER SHEET 0
2 INDEX OF DRAWINGS 0
3 GENERAL NOTES 0
4 UTILITY NOTES 0
5 LEGEND AND ABBREVIATIONS 0
6 CONTROL DATA SUMMARY (CDS1 OF 3) 0
7 CONTROL DATA SUMMARY (CDS2 OF 3) 0
8 CONTROL DATA SUMMARY (CDS3 OF 3) 0
9 EXISTING LAYOUT 0
10 OVERALL PROJECT LAYOUT 0
11 EXCAVATION PLAN 0
12 TRAIL ALIGNMENT PLAN 0
13 TRAIL CONTROL PLAN 0
14 TCP ONE LANE CLOSURE PHASE 1 & 2 0
15 COORDINATE LAYOUT PLAN 0
16 POINT TABLE 0
17 CROSS SECTIONS 0
18 STORMWATER POLLUTION PREVENTION PLAN 0
19 STORM OUTFALL DETAILS (DT1 OF 8) 0
20 STORMWATER POLLUTION PREVENTION DETAILS (DT2 OF 8) 0
21 INTERCEPTOR STRUCTURE DETAILS DETAILS (DT3 OF 8) 0
22 CONCRETE CHANNEL LINING DETAILS (DT4 OF 8) 0
23 PRECAST SAFETY END TREATMENT DETAILS (DT5 OF8) 0
24 MISCELLANEOUS DETAILS (DT6 OF 8) 0
25 HDPE END TREATMENT DETAILS (DT7 OF 8) 0
26 STANDARD A FRAME PIPE GATE DETAILS (DT8 OF 8) 0
DESCRIPTION
INDEX OF DRAWINGS
SHEET NUMBER
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SHEET
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HCFCD GENERAL NOTES
SHEET NUMBER
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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%.
CUT AND CAP ANY OFFSITE STORMWATER YARD DRAINS AT HCFCD ROW. PAYMENT WILL BE INCIDENTAL TO
SITE PREPARATION AND RESTORATION.
COMPLETED SECTIONS OF THE CHANNEL WILL BE TURNED OVER FOR VEGETATION ESTABLISHMENT 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.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
PRIOR TO GRADING OPERATIONS AND DURING PROJECT DURATION, TEMPORARY OR PERMANENT EROSION CONTROL MEASURES SHALL BE IN PLACE TO PREVENT SEDIMENT FROM LEAVING THE PROJECT AREA.
THE CONTRACTOR'S ATTENTION IS DIRECTED TO THE FACT THAT TEMPORARY AND PERMANENT EROSION CONTROL MEASURES MAY BE NECESSARY TO COMPLY WITH PROVISIONS OF THE TEXAS POLLUTION DISCHARGE ELIMINATION SYSTEM (TPDES) GENERAL PERMIT AS REQUIRED UNDER THE CLEAN WATER ACT.
THE CONTRACTOR SHALL SCHEDULE THE WORK IN SUCH A MANNER SO THAT SEEDING AND/OR SODDING
MAY BE PERFORMED AS SOON AS POSSIBLE.
AS REQUIRED ON THE STORM WATER POLLUTION PREVENTION PLAN OR AS DIRECTED BY THE ENGINEER, THE TEMPORARY EROSION AND SEDIMENTATION CONTROL FEATURES SHALL BE IN PLACE PRIOR TO NTP.
THE CONTRACTOR WILL TAKE APPROPRIATE MEASURES TO PREVENT, MINIMIZE AND CONTROL THE SPILL OF HAZARDOUS MATERIAL IN THE CONSTRUCTION STAGING AREA. ALL MATERIALS BEING REMOVED AND/OR DISPOSED OF BY THE CONTRACTOR WILL BE DONE SO IN ACCORDANCE WITH STATE AND FEDERAL
LAWS AND WITH THE APPROVAL OF THE PROJECT ENGINEER.
THIS PROJECT DISTURBS 2 ACRES.
STORM WATER POLLUTION PREVENTION PLAN NOTES
6.
1.
3.
4.
5.
2.
ENVIRONMENTAL NOTES
TO THE EXTENT PRACTICAL, TREE REMOVAL WILL OCCUR WHEN FLIGHTLESS JUVENILE BATS ARE NOT
LIKELY TO BE PRESENT AND WHEN BATS ARE LESS ACTIVE (OCTOBER 1 THROUGH MARCH 15).
WHEN MEAN WINTER TEMPERATURES FALL BELOW 40 DEGREES FARENHEIT FOR THREE (3) CONSECUTIVE DAYS BETWEEN DECEMBER 15 AND FEBRUARY 15, TREE CLEARING ACTIVITIES WILL IMMEDIATELY HALT UNTIL TEMPERATURES REMAIN ABOVE 40 DEGREES FOR A 24-HOUR PERIOD AFTER THE INITIAL
TEMPERATURE DROP.
TREE REMOVAL MAY NOT OCCUR DURING THE TRICOLORED BAT PUP SEASON WHICH RUNS FROM MAY 1 THORUGH
JULY 15.
1.
2.
3.
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UTILITY NOTES
CAUTION: UNDERGROUND GAS FACILITIES
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) 659-3552 OR (713) 207-4200.
THE CONTRACTOR IS FULLY RESPONSIBLE FOR ANY DAMAGES CAUSED BY HIS FAILURE TO EXACTLY LOCATE
AND PRESERVE THESE UNDERGROUND FACILITIES.
CENTERPOINT ENERGY HOUSTON ELECTRIC LLC
WARNING: OVERHEAD ELECTRICAL 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 BOUT CRIMINAL AND CIVIL LIABILITY. TO ARRANGE FOR
LINES TO BE TURNED OFF OR REMOVED, CALL CENTERPOINT ENERGY AT (713) 207-2222.
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:
- 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 ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THIS FAILURE TO EXACTLY LOCATE AND PRESERVE THESE
UNDERGROUND UTILITIES.
- THE CONTRACTOR SHALL CALL 1-800-344-8377 (TEXAS 811) A MINIMUM OF 48 HOURS PRIOR TO CONSTRUCTION TO
HAVE UNDERGROUND LINES FIELD LOCATED.
- 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.
- 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.
- 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.
- PLEASE CONTACT THE AT&T TEXAS DAMAGE PREVENTION MANAGER KEVIN RAY (713) 614-1983 OR E-MAIL HIM
@ KR7896@ATT.COM IF CABLE LOCATE REQUESTS ARE NOT COMPLETED FOR OUR AT&T TEXAS/SWBT FACILITIES.
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GAS LINE
ELECTRIC UNDERGROUND LINE
MISC UNDERGROUND LINES
TOP OF BANK
CONSTRUCTION FENCE
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
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*
SET/FOUND IRON ROD
OR P.K. NAIL
TOP OF CURBTC
WITHW/
WESTW
WATERLINEWL
WATERLINE EASEMENTWLE
UTILITY EASEMENTUE
TYPICALTYP
UPSTREAMU/S
TANGENTT
VERTICALVERT
TYPETY
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
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EXIST SLOPE PAVING
BORING LOCATIONS
EXISTING TRAILS/SIDEWALKS
PROP SIDEWALK/TRAILS
PROP PIPE GATE
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1. BEARING ORIENTATION AND HORIZONTAL GRID COORDINATES ARE REFERENCED TO THE STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE, NAD 83, 1993 ADJUSTMENT, ESTABLISHED USING STATIC P.S. OBSERVATIONS IN JUNE, 2002. ELEVATION VALUES ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD-88), 2001 ADJUSTMENT. THE COORDINATES AND ELEVATIONS ARE
BASED ON THE FOLLOWING N.G.S. CONTROL STATIONS:
FIRE RM 1: X:3,147,994.679 (GRID) Y:13,827,409.548 (GRID) ELEV:33.40'
HGCSD 35: X:3,031,220.102 (GRID) Y:13,820,859.333 (GRID) ELEV:81.14'
NORTHEAST 2250 CORS ARP: X:3,131,034.227 (GRID) Y:13,853,429.580 (GRID) ELEV:59.28'
2. ALL DISTANCES SHOWN HEREON ARE SURFACE DISTANCES AND MAY BE CONVERTED TO GRID
DISTANCES BY MULTIPLYING BY THE PROJECT SCALE FACTOR OF 0.9998827577.
3. ALL COORDINATES SHOWN HEREON ARE SURFACE MAPPING COORDINATES AND MAY BE CONVERTED TO
TRUE STATE PLANE GRID COORDINATES BY MULTIPLYING BY THE PROJECT SCALE FACTOR OF
0.9998827577.
HCFCD
MONUMENT
D100-112
HCFCD
MONUMENT
D100-114
NOTES:
CITY OF HOUSTON
S.T.P.
CHAIN LINK
FENCE
TO
P
O F
B A
N K
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S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\07 CONTROL DATA SUMMARY.dwg
STA 319+88.62 (BK)
STA 1000+00.00 (FWD)
(D/S CALHOUN)
STA 1281+27.81 (BK)
STA 2000+00.00 (FWD)
(D/S S.MAIN)
END B BRAYS BAYOU
STA 2353+42.64
(U/S FONDREN)
BEG. B BRAYS BAYOU
STA 0+00 (MOUTH)
H A
R D
Y T
O L
L R
O A
D
US HWY
90-A
BRAYS BAYOUBRAYS BAYOU
NOTES:
1. BEARING ORIENTATION AND HORIZONTAL GRID COORDINATES ARE REFERENCED
TO THE STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE, NAD 83, 1993
ADJUSTMENT, ESTABLISHED USING STATIC P.S. OBSERVATIONS IN JUNE, 2002.
ELEVATION VALUES ARE REFERENCED TO THE NORTH AMERICAN VERTICAL
DATUM OF 1988 (NAVD-88), 2001 ADJUSTMENT. THE COORDINATES AND
ELEVATIONS ARE BASED ON THE FOLLOWING N.G.S. CONTROL STATIONS:
FIRE RM 1: X:3,147,994.679 (GRID) Y:13,827,409.548 (GRID)
ELEV:33.40'
HGCSD 35: X:3,031,220.102 (GRID) Y:13,820,859.333 (GRID)
ELEV:81.14'
NORTHEAST 2250 CORS ARP: X:3,131,034.227 (GRID) Y:13,853,429.580 (GRID)
ELEV:59.28'
2. ALL DISTANCES SHOWN HEREON ARE SURFACE DISTANCES AND MAY BE
CONVERTED TO GRID DISTANCES BY MULTIPLYING BY THE PROJECT SCALE
FACTOR OF 0.9998827577.
3. ALL COORDINATES SHOWN HEREON ARE SURFACE MAPPING COORDINATES AND
MAY BE CONVERTED TO TRUE STATE PLANE GRID COORDINATES BY
MULTIPLYING BY THE PROJECT SCALE FACTOR OF 0.9998827577.
Houston, Texas 77092 9900 Northwest Freeway
SHEET NUMBER
DATE:
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NOTES:
1. BEARING ORIENTATION AND HORIZONTAL GRID COORDINATES ARE REFERENCED TO THE STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE, NAD 83, 1993 ADJUSTMENT, ESTABLISHED
USING STATIC P.S. OBSERVATIONS IN JUNE, 2002. ELEVATION VALUES ARE REFERENCED TO
THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD-88), 2001 ADJUSTMENT. THE
COORDINATES AND ELEVATIONS ARE BASED ON THE FOLLOWING N.G.S. CONTROL STATIONS:
FIRE RM 1: X:3,147,994.679 (GRID) Y:13,827,409.548 (GRID) ELEV:33.40'
HGCSD 35: X:3,031,220.102 (GRID) Y:13,820,859.333 (GRID) ELEV:81.14'
NORTHEAST 2250 CORS ARP: X:3,131,034.227 (GRID) Y:13,853,429.580 (GRID) ELEV:59.28'
2. ALL DISTANCES SHOWN HEREON ARE SURFACE DISTANCES AND MAY BE CONVERTED TO GRID
DISTANCES BY MULTIPLYING BY THE PROJECT SCALE FACTOR OF 0.9998827577.
3. ALL COORDINATES SHOWN HEREON ARE SURFACE MAPPING COORDINATES AND MAY BE
CONVERTED TO TRUE STATE PLANE GRID COORDINATES BY MULTIPLYING BY THE PROJECT
SCALE FACTOR OF 0.9998827577.
Houston, Texas 77092 9900 Northwest Freeway
SHEET NUMBER
DATE:
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SAN
FNC1
FNC1
45.
57T v v v v v v v v
WL
OH
OH
O H
OH
OH
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OH
OH
U G E
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S T M
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Houston, Texas 77092 9900 Northwest Freeway
0 50' 100'0
N. BRAESWOOD BLVD
BL BRAYS BAYOU
COH ROW
COH R
OW
COH ROW
1. OVERHEAD POWER LINES TO BE RELOCATED BY
OTHERS
2. EXISTING POLE TO BE REMOVED BY OTHERS
NOTES:
SEE NOTES 1 & 2
EXISTING TRAIL
EXISTING SIDEWALK
EXISTING DRIVEWAY
T v v v v v v v v
WL
U G E
U G E
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\09-14 EXISTING, OVERALL, EXCAVATION PLAN AND TRAIL CONTROL PLAN.dwg
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Houston, Texas 77092 9900 Northwest Freeway
0 50' 100'
EXCAVATION PLAN
(SHEET 10)
PROP BASIN
CONSTRUCTION
N. BRAESWOOD BLVD
BL BRAYS BAYOU
HCFCD ILA EASEMENT
HCFCD IL
A E
ASEMENT
HCFCD ILA EASEMENT
SA
N
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AN
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\09-14 EXISTING, OVERALL, EXCAVATION PLAN AND TRAIL CONTROL PLAN.dwg
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Houston, Texas 77092 9900 Northwest Freeway
1. FOR BASELINE CONTROL AND MONUMENT
INFORMATION SEE SHEETS CDS1-CDS3.
2. LEFT AND RIGHT BASELINE OFFSETS ARE
SHOWN LOOKING UP-STATION.
3. TRAIL STATIONS & OFFSETS ARE BASED OFF OF BRAYS
BAYOU BASELINE (TYP)
4. FIELD VERIFY LOCATION OF PROPOSED TRAIL.
5. ALL SIGNS RELATED TO TRAIL CLOSURE AND ALL
REFLECTIVE BARRIERS ARE INCIDENTAL TO TRAFFIC
CONTROL PAY ITEM 01555-03.
6. END ANCHORS ASSEMBLY TO BE INSTALLED AT
INTERCEPTOR STRUCTURE (INCIDENTAL TO PIPE)
7. FOR TRAIL ALIGNMENT STATIONS AND OFFSETS, SEE
SHEET 12.
8. FOR ALL TRAFFIC CONTROL PLAN SIGN AND DEVICE
DETAILS, SEE SHEET 13.
9. EXISTING 12" COH WATER LINE, PROTECT AS
REQUIRED. NO STANDING HEAVY MACHINERY.
10. CONTRACTOR SHALL GASKET AND BOLT EXISTING
MANHOLE COVERS WITHIN THE PROJECT AREA.
0 25 50'
NOTES:
N. BRAESWOOD BLVD
BL BRAYS BAYOU
3.6:1
PROP PRECAST
SAFETY END
TREATMENT
2' CONC BUFFER
DT5
EXISTING 24" PIPE
EXISTING MH
TIE TO EXIST 24" PIPE
(FIELD VERIFY EL) (TYP)
XS1
A
39.00 40.00
41.00 42.00
EXIST SANITARY
SEWER & MH
TO REMAIN (TYP)
PIPE PROTECT AS REQ.
(SEE NOTE 10)
PROP 37LF 24" HDPE
PROP URBAN BACKSLOPE
INTERCEPTOR STRUCTURE
(SEE NOTE 7)
GRADE LOCAL AREA
TO DRAIN
D
DT3
DT7
XS1
A
XS1
C
XS1
C
XS1
B
XS1
B
NORMAL
POOL
EL=42.00
BOTTOM
EL=36.00
39.00
38.00 37.0043.00
43.00
39.00
40.00
41.00
42.00
38.00 37.00
36.00
36.00
SWALE HP
PROP CONSTRUCTION FENCE
3.6:1
3.
6:
EXIST SANITARY
SEWER & MH
TO REMAIN (TYP)
PIPE PROTECT AS REQ.
(SEE NOTE 10)
PROP CONC MAINTENANCE
RAMP @ 8/1 SLOPE
EXISTING TOP OF BANK
3.6:1
3.6:1
PROTECT EXISTING
POLE AS REQUIRED
PROP TOE OF SLOPE
(EL=43 TYP)
PROP WATER EDGE
EL=42
DT4
PROP CONC SHELF
DT4
PROP SHELF
PROP TOP OF BANK
(EL=VARIES)
TIE TO EXIST SURFACE
REGRADE AS REQUIRED
PROP TOE OF SLOPE
(EL=43 TYP)
PROP WATER EDGE
EL=42
EXISTING TRAIL (TYP)
~ 1
DT6
GRADE 1 RIPRAP
(26 CU. YD)
EXISTING MH
PIPE GATE
INSTALLATION
DT8
PROP STABILIZED CONSTRUCTION
ENTRANCE & EXIT
DT1
PROP BACKSLOPE SWALE
GRADE TO EXIST INTERCEPTORS
PROP BACKSLOPE SWALE
GRADE TO EXIST INTERCEPTORS
EXISTING 24" PIPE
TIE TO EXIST 24" PIPE
(FIELD VERIFY EL) (TYP)
4:1 SLOPE
4:1 SLOPE
PROP BOLLARDS (8)
FIELD ADJUST AS REQ.
INCIDENTAL TO PIPE GATE
DT6
PROP WEEP HOLE
SPACE AT 15' (TYP)
UNLESS NOTED
DT4
10'-0
(T
YP)
SEE NOTE 9
EXIST 48" SS
EXIST 72" SS
EXISTING MH (TO BE ADJUSTED)
(SEE NOTE 10)
D
DT3 4/1/26
HCFCD ILA EASEMENT
HCFCD IL
A E
ASEMENT
HCFCD ILA EASEMENT
SA
N
SA
N
SA
N
SA
N
SA
N
SAN
SAN
FNC1
FNC1
45.
57T v v v v v v v
WL
OH
OH
OH
OH
OH
OH
U G E
S T M
S T M
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TM
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Houston, Texas 77092 9900 Northwest Freeway
R=38'
"WORK ZONE AHEAD" AND
"DO NOT ENTER" SIGNAGE
AND RETRO-REFLECTIVE
BARRIERS TO BE INSTALLED.
BRAYS BAYOU
Station=2157+18.55
Offset=167.652 Northing=13815018.4578
Easting=3095261.9816
BL
0 50' 100'
45° 1'-0"
PROPOSED TRAIL EXISTING CONCRETE
SEE DETAIL 1 ON DT5
DRILL EXISTING CONCRETE
AND EPOXY GROUT IN PLACE 24"
LONG #5 REBAR DOWELS @ 18" O.C
10" EMBEDMENT
TRAIL TIE IN DETAIL
BRAYS BAYOU
Station=2157+52.58
Offset=177.685 Northing=13815004.1111
Easting=3095229.5376
BRAYS BAYOU
Station=2159+74.15
Offset=243.025 Northing=13814910.6965
Easting=3095018.2600
BRAYS BAYOU
Station=2159+80.76
Offset=244.811 Northing=13814907.7874
Easting=309512.0657
BRAYS BAYOU
Station=2159+93.21
Offset=250.619 Northing=13814904.1640
Easting=3094998.8065
BRAYS BAYOU
Station=2161+24.97
Offset=289.009 Northing=13814848.2638
Easting=3094873.4755
BRAYS BAYOU
Station=2161+39.65
Offset=291.051 Northing=13814840.3320
Easting=3094860.9573
BRAYS BAYOU
Station=2163+09.83
Offset=340.482 Northing=13814768.0097
Easting=3094699.1735
BRAYS BAYOU
Station=2163+16.32
Offset=338.777 Northing=13814762.5067
Easting=3094695.3177
BRAYS BAYOU
Station=2163+49.36
Offset=354.028 Northing=13814752.7804
Easting=3094660.2524
BRAYS BAYOU
Station=2164+86.66
Offset=277.141 Northing=13814616.1957
Easting=3094614.7003
BRAYS BAYOU
Station=2165+09.09
Offset=236.095 Northing=13814571.7330
Easting=3094623.9054
BRAYS BAYOU
Station=2164+70.77
Offset=128.943 Northing=13814507.4204
Easting=3094716.3468
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL
BL PROP TRAIL TIE TO EXISTING
TRAIL (FIELD VERIFY)
OF PROP TRAIL (TYP)
EXIST TRAIL (TYP)
PROP CONCRETE TRAIL (TYP)
DT5
CL
REMOVE EXISTING
SIDEWALK (TYP)
8' (TY
P
8' (TY
P
8' (T
YP
EXISTING TRAIL TO REMAIN,
PROTECT AS REQUIRED
PROP TRAIL TIE TO EXISTING
TRAIL (FIELD VERIFY)
EXISTING TRAIL TO REMAIN,
PROTECT AS REQUIRED
PROP TRAIL TIE TO EXISTING
TRAIL (FIELD VERIFY)
EXISTING TRAIL TO REMAIN,
PROTECT AS REQUIRED
12" COH WATER LINE, PROTECT AS
REQUIRED. NO STANDING HEAVY
MACHINERY.
4'-0"
(TY
P
NEW POWER
POLE
NEW GUY WIRE
ADJUST EXIST MH
TO MATCH PROP
TRAIL GRADE
(TYP)
PROP 6'X9' CONCRETE
SLAB AROUND MH
SAME AS CONCRETE TRAIL
EXIST POWER POLE
4/1/26
HCFCD ILA EASEMENT
HCFCD IL
A E
ASEMENT
CONTRACTOR SHALL KEEP
EXISTING TRAIL PROTECTED
FROM WORK AREAS
Curtis.Russell Text Box Provide the following signs on both sides of the street:
1) ROAD WORK AHEAD
2) TRUCK CROSSING
3) TRUCK SIGN
Curtis.Russell Image
Curtis.Russell Image
Curtis.Russell Image
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5. LANE CLOSURE REQUIRED FOR DURATION OF PROJECT.
FLAGMAN TO BE PROVIDED DURING DAYTIME HOURS.
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SA
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AN
21 22
33 34
82 83
106107
162 163
172 173
188189
204 205
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SHEET NUMBER
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C
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R D
IN
A
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L A
Y O
U T
P L
A N
M E
Y E
R G
R O
V E
P H
A S
E
S T
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Houston, Texas 77092 9900 Northwest Freeway
0 25' 50'
N. BRAESWOOD BLVD
BL BRAYS BAYOU
Point Table
Point #
Northing
13814791.9819
13814779.3602
13814761.4242
13814741.5698
13814740.9695
13814754.3146
13814756.6137
13814746.9024
13814729.6238
13814711.8989
13814694.1836
13814676.4753
13814658.8477
13814641.7784
13814624.7003
13814607.0252
13814587.5224
13814573.7331
13814563.2053
13814552.6775
13814542.4290
13814541.2392
13814545.5731
13814554.7907
13814567.7744
13814581.0939
13814594.4134
13814608.1510
13814626.1509
13814645.9757
13814664.6604
13814676.1086
13814666.0742
13814666.2869
13814672.0986
13814683.0278
13814696.3182
13814709.5892
13814722.8603
13814736.1313
13814749.4024
13814762.4814
13814775.5542
13814788.6269
13814801.6997
13814814.9319
13814828.2031
13814841.8249
13814855.2388
13814870.1450
13814890.6220
13814905.8760
13814920.2393
13814937.1920
13814933.1108
13814927.0940
13814921.0652
13814914.9236
13814905.8063
13814897.5701
Easting
3094790.0826
3094774.7628
3094766.2599
3094765.1477
3094749.4203
3094734.8132
3094715.2659
3094698.1477
3094688.2273
3094678.9629
3094669.6802
3094660.3843
3094650.9459
3094640.5230
3094630.1145
3094620.9718
3094623.0541
3094637.0362
3094654.0411
3094671.0459
3094688.2020
3094708.0474
3094727.5097
3094745.1880
3094760.3543
3094775.2738
3094790.1933
3094804.6940
3094813.0125
3094812.4903
3094805.3856
3094816.3748
3094833.6015
3094853.5333
3094872.6023
3094889.2737
3094904.2189
3094919.1814
3094934.1440
3094949.1065
3094964.0691
3094979.1992
3094994.3349
3095009.4705
3095024.6061
3095039.6025
3095054.5649
3095069.2033
3095084.0017
3095097.3124
3095115.0288
3095128.2264
3095140.6534
3095130.0417
3095116.9102
3095097.8373
3095078.7678
3095059.7480
3095041.9620
3095023.7365
Elevation
47.989
47.969
47.949
47.934
47.937
47.960
47.964
47.968
47.961
47.940
47.918
47.897
47.875
47.856
47.830
47.800
47.787
47.768
47.740
47.712
47.699
47.646
47.613
47.621
47.638
47.656
47.673
47.689
47.714
47.744
47.777
47.791
47.770
47.770
47.771
47.792
47.828
47.864
47.900
47.936
47.940
48.063
48.190
48.317
48.444
48.500
48.539
48.419
48.724
49.176
49.124
49.042
48.857
48.372
48.342
48.273
48.202
48.127
48.050
48.050
Raw Description
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
Point Table
Point #
Northing
13814889.3340
13814880.9511
13814872.7144
13814864.4777
13814856.2410
13814848.0043
13814839.7677
13814831.5310
13814823.2943
13814815.0576
13814806.8209
13814798.5653
13814698.8864
13814712.2453
13814725.6043
13814738.9632
13814752.3222
13814765.6811
13814779.0401
13814799.0785
13814822.9165
13814846.2947
13814859.0078
13814861.5221
13814862.5703
13814873.0688
13814882.7298
13814899.6824
13814893.1444
13814885.8836
13814884.2997
13814874.4704
13814862.1153
13814851.8194
13814841.5235
13814829.4784
13814821.2417
13814813.0049
13814804.7682
13814796.5315
13814788.2948
13814780.0968
13814770.1822
13814752.1052
13814732.5693
13814719.5988
13814720.2164
13814733.4127
13814737.2385
13814720.7294
13814703.0190
13814685.3283
13814667.6502
13814650.0546
13814633.0162
13814615.9778
13814598.0129
13814584.8773
13814574.2784
13814563.6794
Easting
3095005.5111
3094987.3539
3094969.1288
3094950.9036
3094932.6784
3094914.4532
3094896.2281
3094878.0029
3094859.7777
3094841.5525
3094823.3274
3094805.1108
3094881.1137
3094895.9979
3094910.8821
3094925.7662
3094940.6504
3094955.5346
3094970.4187
3094992.7450
3095019.3047
3095045.3520
3095059.5163
3095062.3403
3095063.4851
3095072.5739
3095080.7298
3095070.1182
3095056.8200
3095041.9346
3095038.4402
3095016.6969
3094989.3592
3094966.5777
3094943.7963
3094917.1443
3094898.9192
3094880.6940
3094862.4688
3094844.2437
3094826.0185
3094807.7762
3094790.6213
3094783.1734
3094780.8109
3094766.2364
3094746.7356
3094732.0324
3094714.4878
3094703.7031
3094694.4111
3094685.0816
3094675.7284
3094666.2305
3094655.7571
3094645.2836
3094637.7783
3094651.8558
3094668.8164
3094685.7770
Elevation
48.050
47.997
47.997
47.997
47.997
47.997
47.997
47.997
47.997
47.997
47.997
47.989
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
42.000
42.000
42.000
42.500
43.000
43.000
42.500
42.000
42.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
Raw Description
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOB
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
Point Table
Point #
Northing
13814557.9666
13814562.1400
13814572.6399
13814586.0734
13814599.4324
13814612.7913
13814628.9662
13814648.3467
13814667.0682
13814685.1899
13814693.8904
13814687.8804
13814682.7942
13814688.6989
13814867.9406
13814876.2464
13814868.2247
13814856.9042
13814848.6735
13814840.4381
13814832.1915
13814823.9661
13814815.7290
13814807.4867
13814799.2551
13814791.0150
13814782.7713
13814774.5458
13814766.3780
13814749.6010
13814730.0767
13814715.1166
13814707.9910
13814712.0457
13814725.8692
13814718.2200
13814700.4804
13814682.8778
13814665.0951
13814646.4768
13814629.4419
13814611.1101
13814610.0033
13814618.6481
13814627.2744
13814635.9139
13814644.5539
13814653.2119
13814670.7211
13814689.1343
13814702.7332
13814709.1114
13814709.0523
13814716.1549
13814729.0169
13814741.9942
13814754.9727
13814767.9508
13814780.9287
13814793.9053
Easting
3094704.2488
3094723.7036
3094740.6066
3094755.4207
3094770.3049
3094785.1891
3094796.2066
3094793.4518
3094786.9765
3094794.3240
3094811.8400
3094830.2659
3094848.7312
3094867.7130
3095052.0725
3095045.1511
3095027.4015
3095002.3527
3094984.1408
3094965.9184
3094947.6711
3094929.4708
3094911.2446
3094893.0069
3094874.7930
3094856.5602
3094838.3195
3094820.1189
3094801.8380
3094793.0057
3094790.5040
3094778.8192
3094759.9902
3094740.1567
3094724.9832
3094713.4785
3094704.1488
3094694.8912
3094685.5388
3094675.6923
3094665.2210
3094660.4553
3094678.2874
3094696.3587
3094714.3916
3094732.4518
3094750.5132
3094768.4956
3094776.5032
3094784.0023
3094798.4375
3094817.1842
3094837.1598
3094855.6620
3094870.9743
3094886.1922
3094901.4115
3094916.6303
3094931.8489
3094947.0660
Elevation
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
43.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
42.000
Raw Description
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
TOE
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
Point Table
Point #
Northing
13814806.8850
13814819.8552
13814831.1319
13814841.8359
13814852.5311
13814863.2462
13814672.2932
13814684.0878
13814686.2284
13814692.1259
13814680.0453
13814664.5941
13814649.1995
13814655.5139
13814661.9869
13814668.4600
13814783.3820
13814777.2045
13814771.0270
13814764.8495
13814758.6720
13814752.4945
13814747.2756
13814733.3197
13814733.2601
13814738.2382
13814748.4216
13814758.5577
13814767.0353
13814776.3694
13814924.5339
13814910.6423
13814907.8636
13814893.5713
13814893.5781
13814854.4035
Easting
3094962.2866
3094977.4961
3094993.9721
3095010.8678
3095027.7495
3095044.6627
3094752.6665
3094755.2906
3094740.9128
3094726.9668
3094720.6132
3094712.4871
3094704.3907
3094717.5906
3094731.1220
3094744.6534
3094897.7037
3094884.0348
3094870.3659
3094856.6970
3094843.0282
3094829.3593
3094817.5807
3094816.6713
3094829.6418
3094844.7658
3094856.7073
3094868.5935
3094878.5347
3094889.4804
3095109.8198
3095087.6272
3095120.8826
3095098.0498
3095035.1450
3095068.4612
Elevation
42.000
42.000
42.000
42.000
42.000
42.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
36.000
46.558
44.569
46.925
44.693
42.000
42.000
Raw Description
SHELF
SHELF
SHELF
SHELF
SHELF
SHELF
BOTTOMW
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
RAMP
RAMP
RAMP
RAMP
SET FL
SET FL
SHEET NUMBER
DATE:
D E
S C
R
IP
T
IO
N R
E V
D
A T
E A
P P
R
OF
P R
E P
A R
E D
C H
E C
K E
D
A P
P R
O V
E D
P
O
IN
T T
A B
L E
M E
Y E
R G
R O
V E
P H
A S
E
S T
O R
M W
A T
E R
D E
T E
N T
IO
N
B A
S
IN
P R
O J
E C
T
ID
D
-1
-0 0-
E
J L
A
JA
M
C A
R
4/1/26
16 26
Houston, Texas 77092 9900 Northwest Freeway
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\15-16 COORDINATE LAYOUT PLAN AND TABLE.dwg
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\17 CROSS SECTIONS.dwg
DATE:
D E
S C
R
IP
T
IO
N R
E V
D
A T
E A
P P
R
OF
P R
E P
A R
E D
C H
E C
K E
D
A P
P R
O V
E D
C
R O
S S
S E
C T
IO
S
Y E
R G
R O
V E
P H
A S
E
S T
O R
M W
A T
E R
D E
T E
N T
IO
N
B A
S
IN
P R
O J
E C
T
ID
D
-1
-0 0-
E
J L
A
JA
M
C A
R
4/1/26
17 26
Houston, Texas 77092 9900 Northwest Freeway
NOTES:
1. ONLY NG & PROPOSED SURFACE SHOWN ON
CROSS-SECTIONS (CONCRETE CHANNEL LINING,
ETC. NOT SHOWN ON CROSS-SECTIONS).
2. CUT AND FILL CALCULATIONS WERE GENERATED BY
COMPARING THE EXISTING NATURAL GROUND SURFACE
TO THE PROPOSED SURFACE USING AutoCAD Civil 3D, TIN VOLUME SURFACE METHOD.
TOTAL CUT BELOW 100-YR
13,109 (CY)
TOTAL FILL
13,109 (CY)
NET CUT
0 (CY)
0 12.5' 25'
R O
W L
IN
E
PROP TOP OF BANK
EL=48
NG
3.6
10'
(TYP)
10%
161'
EL=42 (TYP)
PROP TYPICAL SECTION
A
PROP TYPICAL SECTION
C
PROP TYPICAL SECTION
B
PROP TYPICAL SECTION
B
M A
T C
H L
IN
E
A -A
M A
T C
H L
IN
E
A -A
TOE OF SLOPE
EL=43 (TYP)
NORMAL POOL
EL=42
PROP TOP OF BANK
EL =47.83
3.6 13.45%
TOE OF SLOPE
EL=43 (TYP)
EL=42 (TYP)
BOT EL=36
PROP TOP OF BANK
EL=47.79
3.6 1 10%
EL=42 (TYP)
TOE OF SLOPE
EL=43 (TYP)
NORMAL POOL
EL=42
BOT EL=36
NG
EL=39
NORMAL POOL
EL=42
BOT EL=36
NG
PROP TOP OF
MAINTENANCE RAMP
EL =48.63
PROP BOT OF
MAINTENANCE
RAMP EL=43
EL=42
R O
W L
IN
E
22'
R O
W L
IN
E
4' 12'
PROP TOP OF BANK
EL=48.05
3.6
R O
W L
IN
E
11'
PROP TOP OF BANK
EL=48.35
3.6
R O
W L
IN
E
9'
EL=42
R O
W L
IN
E
4.38'
EXIST 48" SANITARY
SEWER FL=32.32
.8
8'
EXIST 72" SANITARY
SEWER FL=26.19
EXIST 72" SANITARY
SEWER FL=26.1
.51'
SA
SA
N
SA
N
SA
N
SA
N
SAN
SAN
FNC1
FNC1
45.
57T v v v v v v v
WL
OH
OH
OH
OH
OH
OH
U G E
S T M
S
TM
S
TM
STM
STM
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\18 STORMWATER POLLUTION PREVENTION PLAN.dwg
SHEET NUMBER
DATE:
D E
S C
R
IP
T
IO
N R
E V
D
A T
E A
P P
R
OF
P R
E P
A R
E D
C H
E C
K E
D
A P
P R
O V
E D
S
T O
R M
W A
T E
R P
O L
L U
T
IO
N P
R E
V E
N T
IO
N
P L
A N
M E
Y E
R G
R O
V E
P H
A S
E
S T
O R
M W
A T
E R
D E
T E
N T
IO
N
B A
S
IN
P R
O J
E C
T
ID
D
-1
-0 0-
E
J L
A
JA
M
C A
R
4/1/26
18 26
Houston, Texas 77092 9900 Northwest Freeway
X RSF
SCA
PROP SOD STRIPS *
ON SLOPE
N. BRAESWOOD BLVD
BL BRAYS BAYOU
SOD
BACKSLOPE
SWALE
SOD
SCA
IP
IP
0 50' 100'
PROP SOD STRIPS *
PROP REINFORCED *
SILT FENCE
PROP STABILIZED *
CONSTRUCTION ACCESS
LEGEND:
* (SEE DT1 FOR SWPPP DETAILS)
SOD
XX RSF
SCA
PROP SOD STRIPS *
ON SLOPE
N. BRAESWOOD BLVD
BL BRAYS BAYOU
SOD
BACKSLOPE
SWALE
SOD
SCA
IP
PROP 20'x50' STABILIZED
CONSTRUCTION ACCESS
IP
PROP SHELF
IPIP INLET PROTECTION *
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\19 DT1 STORM OUTFALL.dwg
DATE:
D E
S C
R
IP
T
IO
N R
E V
D
A T
E A
P P
R
OF
P R
E P
A R
E D
C H
E C
K E
D
A P
P R
O V
E D
(D
T
O F
S T
O R
M O
U T
F A
L L
D E
T A
IL
S
M E
Y E
R G
R O
V E
P H
A S
E
S T
O R
M W
A T
E R
D E
T E
N T
IO
N
B A
S
IN
P R
O J
E C
T
ID
D
-1
-0 0-
E
J L
A
JA
M
C A
R
4/1/26
19 26
Houston, Texas 77092 9900 Northwest Freeway
NOTE:
LEFT AND RIGHT BASELINE OFFSETS ARE SHOWN
LOOKING UP-STATION.
STORM DRAIN PROFILE (LOOKING DOWNSTREAM) VERT 1"=20'
HORZ 1"=20'D1
3.6
EXIST NG
PROP TOP OF BANK PROP TOP OF BANK
EXIST 24" RCP
EXIST TYPE "C" MH
RIM EL=47.87
24"RCP (NW) FL=41.72
24"RCP (SE) FL=34.17
EXIST TYPE "C" MH
RIM EL=47.23'
24"RCP (NW) FL=42.46'
24"RCP (SE) FL=42.54'
3.6
PROP PRECAST
SAFETY END
TREATMENT
DT5
PROP PRECAST
SAFETY END
TREATMENT
DT5
TIE TO EXIST PIPE
EL=42.42'
TIE TO EXIST PIPE
EL=41.93'
EXIST 24" RCP
BRAYS BAYOUBL
EXIST 24" RCP
REMOVE EXIST PIPE
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 CONSTRUCTION
ACCESS AND EDGE OF ROADWAY.
8 INCHES MINIMUM
50 FT. MAX. 50 FT. MAX.
R O
A D
W A
Y
1. SEE SPECIFICATION SECTION NO. 02361-SILT FENCES.
REINFORCED SILT FENCE
EXTEND SILT FENCE FABRIC
FLOW
SILT FENCE FABRIC
INTO TRENCH.
SUPPORT
IN
GRID MESH
SYMBOL
RSF
CONSTRUCTION NOTES:
3. ATTACH SILT FENCE FABRIC TO
WIRE FENCE AND EXTEND INTO
THE TRENCH.
4 IN. X 6 IN. TRENCH UPSLOPE
ALONG LINE OF SUPPORTS.
1. SET SUPPORTS AND EXCAVATE
EXCAVATED SOIL.
4. BACKFILL AND COMPACT THE
2. SECURE WIRE FENCING TO SUPPORTS.
OF SLOPE
SLOPE OR NORMAL
SODDING
PROP. TOP OF SLOPE
SOD
PROP. TOP
SOD
FT.
50 FT.
AS NEEDED
BACKSLOPE SWALE
INTERCEPTOR STRUCTURE AND
INLET PROTECTION (SEE DETAIL "D").
TWO ROWS STAGGERED
SOD PANELS (TYP.)
FLOW
PROP. TOE OF
WHERE NO BACKSLOPE SWALE
EXISTS OR FOR PAVED CHANNEL,
SECTION
2 FT. MIN.
IN
.FLOWLINE
C
IN-CHANNEL FILTER DAM
B
FILTER DAM
3 FT.
GRANULAR FILL
DEPRESS CENTER AREA
6 IN.
4 FT.
3 FT.
(SEE NOTE B.1.)
WIRE MESH
DETAIL "A"
PLACE A DOUBLE ROW OF SOD
SECTION
SECTION
B
A
SECTION
GRANULAR FILL
D
C
PLAN
SECTION
(SEE NOTE B.1.)
WIRE MESH
WIRE MESH
(SEE NOTE B.1.)
OUTFALL
5 FT. MIN.
NOTES
V A
R
IE
S W
IT
H
T Y
P E
REINFORCED SILT FENCE
6 FT. MAX FOR REINFORCED FENCE.
4 FT. MAX FOR UNREINFORCED FENCE.
SPACING
S E
E N
O T
E A
PANELS AT TOP OF SLOPE.
FLOW FLOW
STRUCTURE
IN
TERCEPTOR
FOUR ROWS
S O
D
S O
D S O
D
S O
D S O
D
S O
D S O
D
S O
D
SOD
SOD
SOD
SOD
INTERCEPTOR STRUCTURE
& INLET PROTECTION
STAGGERED
ACCESS.
WATER SURFACE
4 IN.
SEE DETAIL "A"
SEE DETAIL "A"
DETAIL "B"
PLAN
SEE DETAIL "B".
"U"
AS NEEDED
I
N
SOD PANELS
C
B
F
T
M
IN
C
B
C
GEOTEXTILE
PLAN
FILTER DAM AT DETENTION BASIN OUTFALL PIPE
OUTFALL PIPE
DETENTION BASIN
ONLY APPLIES FOR
PROTECTION.
NOTE:
PLAN
STAGGERED
TWO ROWS
SOD PANELS
VARIES WITH TYPE
SEE NOTE A.
VARIES WITH TYPE
SEE NOTE A.
IN
PROPOSED
OR EXISTING
SEE NOTE B.6.
SEE NOTE B.6.
SOD
SYMBOL
R O
A D
W A
Y
SOD
SOD
SOD
SOD
SYMBOL
GEOTEXTILE NOTES:
SEE GEOTEXTILE
F
T
NOTES
SEE GEOTEXTILE
WIRE OR PLASTIC
SIEVE NO.
SIEVE NO.
WEIGHT
MAX. AOS
MIN. AOS
OZ/SY
MAX
FD-TYPE
MIN
4 0Z. MIN
IP
SYMBOL
OF SLOPE
PROP. TOE
STAGGERED MIN. TWO ROWS
SOD PANELS (TYP.)
IN
12 IN. 24 IN.
DETAIL "C"
PANELS (2 MIN.)
STAGGERED SOD
STAPLES
"U" STAPLES
SOD
ROLLS
"U" STAPLES
24 IN. 24 IN.
"U" STAPLES
INTERVALS
FT.
20 50 FT.
INTERVALS
20 FT. MAX.
20 FT. MAX.
20 FT. MAX.
FOR SOD ROLLS, 24 INCHES WIDE,
PLACE STAPLES ON 24 INCH CENTERS
NEAR THE EDGES. STAGGER STAPLES
ON OPPOSING SIDES. PLACE ADDITIONAL
STAPLES IN CORNERS AT ENDS OF ROLL
AND ONE IN MIDDLE AT BOTH ENDS
OF ROLL.
PROVIDE STAPLES PER SPECIFICATION
SECTION NO. 02922-SOD.
SOD ROLL AS SHOWN IN DETAIL "C"
EQUIVALENT TO TWO ROWS OF SOD
PANELS.
PLACE TWO ROWS OF SOD PANELS ALONG
EDGES OF CONCRETE PAVING AND
STRUCTURES WHERE SOIL IS DISTURBED
EXCEPT BELOW THE NORMAL WATER SURFACE.
NOTES:
F T
V
A R
IE
S
THIS DETAIL SHEET HAS BEEN PREPARED FOR USE ON HCFCD PROJECTS OR PROJECTS TO BE MAINTAINED BY THE HCFCD WHEN COMPLETED BY OTHERS. AN ENGINEER WHO INCORPORATES THE DETAILS ON THIS SHEET BECOMES RESPONSIBLE FOR ITS USE IN THE END PRODUCT IN ACCORDANCE WITH RULE 137.33 (b) AND (c) OF THE TEXAS
BOARD OF PROFESSIONAL ENGINEERS.
DETAIL "D"
TOE OF SLOPE
CHANNEL
FLOWLINE TOE OF SLOPE
TOE OF SLOPE
PIPE
SEE NOTE B.6.
PROJECT
FLOWLINE
EXISTING
GROUND
SWPPP / BMP SIGN AND CONSTRUCTION
SITE NOTICE HOLDER DETAILS
CSN
CSN HOLDER
1'-6"
'-0
1'-6"
NOTE:
CONSTRUCT IN ACCORDANCE WITH
HCFCD SPECIFICATION SECTION
01580 - PROJECT SIGNS.
1.
2.
3.
LEAVING SITE.
B
GEOTEXTILE
GEOTEXTILE
M
IN
FLOW
M
IN
FLOW
FLOW
A
A
IN
M
IN
M A
X
M
IN
EE
E
D
D
M
IN
P.E. SEAL AND SIGNATURE
SCA
4.
DIAMETER HEXAGONAL OPENINGS.
TYPE 2 AND 3 FILTER DAMS: SECURE WITH 20 GAUGE GALVANIZED WOVEN WIRE MESH WITH 1 INCH
FILTER DAM NOTES:
1.
DOWNSTREAM SIDE USING WIRE TIES OR HOG RINGS.
WIRE MESH: FOLD AT UPSTREAM SIDE OVER GRANULAR FILL AND TIGHTLY SECURE TO ITSELF ON THE3.
IN STREAMS: SECURE OR STAKE MESH TO STREAM BED PRIOR TO AGGREGATE PLACEMENT.4.
5. SEE SPECIFICATION SECTION NO. 02364-FILTER DAMS.
TYPES OF FILTER DAMS
TYPE 1 - NOT USED BY HCFCD1.
TYPE 2 (REINFORCED).
TOP WIDTH - 2 FEET (MINIMUM).
HEIGHT - 18-36 INCHES. MEASURE VERTICALLY FROM EXISTING GROUND TO TOP OF FILTER DAM.a.
3.
SLOPES - 2:1 (MAXIMUM).
TYPE 3 - NOT USED BY HCFCD
2.
b.
c.
TYPE 4 (GABION)4.
TOP WIDTH - 2 FEET (MINIMUM).
HEIGHT - 30 INCHES (MINIMUM). MEASURE VERTICALLY FROM EXISTING GROUND TO TOP OF FILTER DAM.a.
b.
TYPE 5. AS SHOWN ON THE PLANS.5.
A.
CONSTRUCT FILTER DAMS ACCORDING TO THE FOLLOWING CRITERIA UNLESS SHOWN OTHERWISE ON THE PLANS.B.
6. EMBED ONE FOOT MINIMUM INTO SLOPE AND AT SLOPE RAISE ONE FOOT HIGHER THAN CENTER OF
DEPRESSED AREA.
GRANULAR FILL: 2.
a. PLACE ON MESH TO HEIGHT AND SLOPES SHOWN ON PLANS OR AS SPECIFIED BY THE ENGINEER.
b. 3-5 INCHES FOR ROCK FILTER DAM TYPES 2, AND 4.
REFER TO GRANULAR FILL IN SPECIFICATION SECTION NO. 02378-RIPRAP AND GRANULAR FILL.
S:\Operations\PROJECTS\D\D500-16-00-E001_Meyergrove Ph2\07 - Preliminary Engineering\MEYERGROVE BASIN 2\SHEETS\20 DT2 STORMWATER POLLUTION PREVENTION DETAILS.dwg
SHEET NUMBER
DATE:
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-1
-0 0-
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4/1/26
20 26
Houston, Texas 77092 9900 Northwest Freeway
CONSTRUCTION
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.
10 FT. TYP.
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
IN
V A
R
IE
S
F T
IN
M A
X
R O
W
F
T
T Y
P
6 IN.
F
T
VARIES
12 FT. TYP.
.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.)
IN
M A
X
8 IN.
F
T
IN
5 IN.
6 IN.
R O
W
B C
6 FT. TYP.
.5
:1
10 FT. TYP.
8 IN.
5 FT.
B
V A
R
IE
S
IN
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
12 FT. TYP.
A1
F T
T
Y P
R O
W
10° - OUTFALL
STRUCTURE
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
SEE NOTE 6.
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
OR MATCH
SLOPE
AS
SLOPE
12 FT. TYP.
SEE NOTE 2.
BACKSLOPE
SWALE
URBAN BACKSLOPE
C
8 IN.
F
T
1 FT.
8 IN.
8 IN.
IN
.8 IN.1 FT.
1 FT.
A
IN
IN
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
IN
F
T
IN
SEE NOTE 7.
CEMENT STABILIZED
SAND ALL AROUND PIPE.
SEE NOTE 2.
BEDDING HDPE
I
N
IN
BEDDING
SEE NOTE 5. SEE NOTE 5.
COUPLER DETAIL
HDPE PIPE
HIGH DENSITY CORRUGATED
POLYETHYLENE (HDPE) SMOOTH
LINED PIPE.
USE BELL & SPIGOT JOINT
SOIL AND WATER TIGHT
SEE NOTE 5.
SEE NOTE 5.
NECESSARY
CMP OR HDPE PIPE
SEE NOTE 1.
CMP OR HDPE PIPE
SEE NOTE 1.
INTO SLOPE
5 FT. MIN.
1/2 IN.
ALL AROUND
MIN.
1 FT.NEW PIPE
MAX.
EXISTING PIPE
6 IN. MIN.
MIN.
(TYP.)
EXISTING PIPE
I
N
1 FT.
I
N
M
IN
IN
SEE NOTE 8.
.5
:1
RCP & CMP DETAIL
SEE NOTE 10.
SEE NOTE 10.
SEE NOTE 10
SEE NOTE 10.
CEMENT STABILIZED
SAND (3 FT AROUND BOX)
M
IN
BACKSLOPE
INTERCEPTOR
SHOWN. SEE
PLANS FOR
DESIGNATED
STRUCTURE OR
AS DIRECTED BY
ENGINEER.
WRAP JOINT WITH
30# X 12 IN.
ASPHALT FELT.
SEE
NOTE 9.
COMBINATION BACKSLOPE &
OFFSITE DITCH INTERCEPTOR STRUCTURE
SEE 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:
WRAP JOINT WITH
30# X 12 IN.
ASPHALT FELT.
E
E SECTION
G
E
SEE NOTE 2.
1.5 O.D. + 12 IN. MIN.
DETAIL
CONCRETE COLLAR
BOTTOM WIDTH
6 FEET ≤ BW ≤ 20 FT
20 FEET < BW ≤ 60 FT
BW > 60 FT AT TOE OF SLOPE *
AT TOE OF SLOPE *
1 FOOT ABOVE FLOWLINE *
PIPE OUTLET INVERT
PIPE OUTFALL IN CHANNELS
INTERCEPTOR STRUCTURE DETAIL NOTES:
INTERCEPTOR OUTFALL PIPES WITHIN THE HCFCD RIGHT-OF-WAY SHALL BE CMP OR HDPE PIPE IN
ACCORDANCE WITH SPECIFICATION SECTION 02642- CORRUGATED METAL PIPE, HIGH DENSITY
POLYETHYLENE (HDPE) PIPE IN ACCORDANCE WITH SPECIFICATION SECTION 2505-HIGH DENSITY POLYETHYLENE, OR APPROVED EQUAL. USE TABLE ON STORM SEWER AND RIPRAP DETAILS SHEET FOR
CORRUGATED GALVANIZED STEEL PIPE THICKNESS.
PROVIDE AND PLACE CEMENT STABILIZED SAND IN ACCORDANCE WITH SPECIFICATION SECTION
02321-CEMENT STABILIZED SAND AND SECTION 02316 - STRUCTURAL EXCAVATING.
EXCAVATION, FILL AND BACKFILL FOR STORM SEWER OUTFALLS SHALL BE IN ACCORDANCE WITH
SPECIFICATION SECTION 02316-STRUCTURAL EXCAVATING AND BACKFILLING.
CONCRETE SHALL BE STRUCTURAL CONCRETE IN ACCORDANCE WITH SPECIFICATION SECTION
03310-CONCRETE.
INTERCEPTOR STRUCTURES:
ADJUST LENGTH AND WIDTH IN FIELD AS NECESSARY.
2-FEET DEEP X 8-INCH WIDE TOE ALL AROUND THE STRUCTURE.
STEEL REINFORCING-#4 BARS (GRADE 60) AT 12 INCHES ON CENTER
EACH WAY.
ANY INTERCEPTOR OUTFALL PIPE LARGER THAN MAXIMUM SIZE
INDICATED REQUIRES A SEPARATE DETAIL.
MATCH TOP OF CONCRETE WITH NATURAL GROUND.
IN DETENTION BASINS, SET FLOWLINE OF OUTFALL AT TOE OF THE SLOPE. IN CHANNEL, USE ELEVATION
INDICATED IN THE TABLE OR 1 FOOT ABOVE NORMAL WATER LEVEL WHICH EVER IS HIGHER.
CONCRETE PAD AROUND URBAN BACKSLOPE INTERCEPTOR STRUCTURE PAID FOR AS CONCRETE
INTERCEPTOR STRUCTURE PER UNIT ITEM 2376-06. THE INLET BOX WITH GRATE TOP, VULCAN FOUNDRY COMPANY, V-4880-1 OR APPROVED EQUAL, APPROX. 473 SQ.IN. OPENING, PAID PER URBAN INTERCEPTOR
STRUCTURE UNIT ITEM 2632-05.
BACKSLOPE SWALE AND INTERCEPTOR STRUCTURE ELEVATIONS AND LOCATIONS SHOWN ON THE PLANS ARE APPROXIMATE. FINAL ELEVATIONS AND LOCATIONS SHALL BE FIELD VERIFIED BY THE ENGINEER
PRIOR TO INSTALLATION.
STRUCTURAL CONCRETE WITH #4 BARS (GRADE 60) 12 INCH O.C. EACH WAY - FOR COLLARS ONLY.
EPOXY "CLEAN WATER CLEAR CHOICE" LOGO BUTTON ON INTERCEPTORS. LOCATION TO BE DETERMINED
BY THE ENGINEER.
CONCRETE PILOT CHANNEL
1.5 FEET DEEP X 8-INCH WIDE TOE ALL AROUND THE STRUCTURE.
STEEL REINFORCING - #4 BARS (GRADE 60) AT 12 INCHES ON CENTER EACH WAY.
MATCH TOP OF CONCRETE WITH BOTTOM OF DETENTION BASIN.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
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 11.
PIPE DETAIL
a.
b.
c.
5 FT. M
IN.
BAND COUPLER
2 FT. M
IN.
DETENTION…
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