ElkChuteAmendmentDrawingSet.pdf

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GENERAL CROSS-REFERENCING SYMBOLS

ABBREVIATIONS

GENERAL LEGEND

GENERAL NOTES:

1. HORIZONTAL DATA WAS COMPUTED USING NORTH AMERICAN DATUM OF 1983 (NAD83) AND UNIVERSAL TRANSVERSE

MERCATOR ZONE 15N IN U.S. SURVEY FEET. VERTICAL DATA WAS COMPUTED USING N.A.V.D. 88 IN U.S. SURVEY FEET.

STATIONING IS BASED ON GROUND DISTANCE, WHERE GRID DISTANCE = GROUND DISTANCE X COMBINED GRID FACTOR;

COMBINED GRID FACTOR = 1.00047

2. DO NOT BLOCK OR REDIRECT EXISTING DRAINAGE WITH EXCAVATED MATERIAL UNLESS OTHERWISE DIRECTED BY THE

CONTRACTING OFFICER, PLANS OR SPECIFICATIONS.

3. ABOVE GROUND AND UNDERGROUND UTILITIES INDICATED ON THE PLANS ARE APPROXIMATE ONLY, AND THOSE

INDICATED ARE NOT NECESSARILY ALL WHICH MAY EXIST ON THE PROJECT SITE. THE CONTRACTOR SHALL DETERMINE

THE ACTUAL LOCATION OF ALL UTILITIES ON THE PROJECT SITE. ALL UTILITIES LOCATED AT THE SITE ARE TO REMAIN IN

PLACE AND OPERATIVE DURING THE CONSTRUCTION. AT LEAST 10 DAYS BEFORE BEGINNING WORK IN THE VICINITY OF

A UTILITY, THE CONTRACTOR SHALL CALL THE APPROPRIATE "CALL BEFORE YOU DIG" NUMBER LISTED IN THE

SPECIFICATIONS. THE CONTRACTOR SHALL EXERCISE SPECIAL CARE WHEN WORKING IN THE VICINITY OF UTILITIES TO

PREVENT DAMAGE THERETO OR INJURY TO THE CONTRACTOR'S EMPLOYEES OR OTHERS. ANY DAMAGE TO THE

UTILITIES OR INTERRUPTIONS OF SERVICE OCCASIONED BY THE CONTRACTOR'S OPERATIONS SHALL BE REPAIRED AND

THE SERVICE RESTORED PROMPTLY AT HIS EXPENSE.

4. DESIGN FOR THIS PROJECT WAS DEVELOPED BASED ON 2018 SURVEY JMA16035. EXISTING CONTOURS SHOWN ON

SHEETS MAY NOT REFLECT SITE CONDITIONS AT TIME OF CONSTRUCTION.

5. ANY AERIAL PHOTOGRAPHY SHOWN ON SHEETS IS FOR REFERENCE ONLY AND SHOULD NOT BE USED TO DETERMINE

OR ANTICIPATE SITE CONDITIONS AT THE TIME OF CONSTRUCTION.

6. BE ADVISED THAT STATIONING BASED ON LEVEE MILE MARKERS INDICATED BY "MX/XX+XX", MAY HAVE MORE OR LESS

THAN 5280 FEET PER MILE.

7. GATES AND/OR FENCES ARE NOT TO BE DISTURBED, UNLESS OTHERWISE NOTED. ALL GATES AND FENCES DISTURBED

BY THE CONTRACTOR SHALL BE REPLACED AT THE CONTRACTOR'S EXPENSE. APPROVAL FROM THE CONTRACTING

OFFICER IS REQUIRED BEFORE ANY GATES OR FENCES ARE TO BE DISTURBED.

8. THE EXCAVATION SHALL BE MAINTAINED FREE OF WATER UNTIL ALL WORK IN THAT AREA IS COMPLETED, UNLESS

EMERGENCY BACK FLOODING IS DIRECTED OR APPROVED BY THE CONTRACTING OFFICER. IN THE EVENT THAT

EMERGENCY BACK FLOODING IS DEEMED NECESSARY, THE EXCAVATION AREA SHALL BE FLOODED IN ACCORDANCE

WITH THE SEQUENCE OF EMERGENCY BACK FLOODING PROPOSED BY THE CONTRACTOR AND APPROVED BY USACE.

9. MULCH OR SEEDING (TEMPORARY OR PERMANENT) WILL BE APPLIED TO ALL EARTH DENUDED OF VEGETATION DUE TO

CONSTRUCTION ACTIVITIES AS SPECIFIED WITH 14 DAYS OF EITHER CONSTRUCTION ACTIVITY COMPLETION OR A

TEMPORARY CEASE LONGER OF 21 DAYS.

10. CONTRACTOR MAY USE A ROLLER TO PRESS STRAW OR MULCH INTO THE EXISTING GROUND IN ORDER TO MINIMIZE

DAMAGE OR REMOVAL BY WIND OR WATER

11. ESTIMATED QUANTITY OF SILT FENCE IS INDICATED ON THE BID SHEET.

12. UPON CONSTRUCTION COMPLETION AND PRIOR TO FINAL ACCEPTANCE, REMOVE ALL EROSION CONTROL FEATURES.

13. FIELD ADJUSTMENTS OF EROSION CONTROL FEATURES MAY BE ALLOWED AS NECESSARY TO ENSURE PROPER

PLACEMENT AND FUNCTION.

14. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO ENSURE ADHERENCE TO ALL FEDERAL, STATE, AND LOCAL

SAFETY REGULATIONS THAT ARE APPLICABLE TO THE WORK ASSOCIATED WITH THIS CONSTRUCTION PROJECT.

15. ALL NEW CORRUGATED METAL PIPE MATERIALS TO BE PER REQUIREMENTS BELOW:

APPROX APPROXIMATE

ALT W/ ALTERNATE WITH

ALUM ALUMINUM

BITUM BITUMINOUS

BOT BOTTOM

CL or C/L CENTER LINE

CMP CORRUGATED METAL PIPE

CONC CONCRETE

CPP CORRUGATED PLASTIC PIPE

DIA DIAMETER

DS DOWNSTREAM

DWG DRAWING

EJ EXPANSION JOINT

EL ELEVATION

EME EXCAVATED MATERIAL EMBANKMENT

EW EACH WAY

EX. EXISTING

EXIST EXISTING

FES FLARED END SECTION

FF FAR FACE

FL FLOW LINE

HT HEIGHT

INV INVERT

LG LONG

L/W LANDWARD

LTB LEFT TOP BANK

MAX MAXIMUM

MIN MINIMUM

MIRR MIRRORED

MISC MISCELLANEOUS

NF NEAR FACE

NO NUMBER

NST NO STEEPER THAN

NRCS NATURAL RESOURCES

CONSERVATION SERVICES

OF OUTSIDE FACE

OC ON CENTER

PP POLYPROPYLENE PIPE

PC POINT OF CURVE

PCC POINT OF COMPOUND CURVE

PI POINT OF INTERSECTION

POB POINT OF BEGINNING

POE POINT OF ENDING

PRC POINT OF REVERSE CURVE

PT POINT OF TANGENCY

RTB RIGHT TOP BANK

RC PREINFORCED CONCRETE PIPE

RCB REINFORCED CONCRETE BOX

SAN SANITARY

SDR STANDARD

SPEC SPECIFICATIONS

SST STAINLESS STEEL

SHT SHEET

TC TOP OF CONCRETE

TYP TYPICAL

UNO UNLESS NOTED OTHERWISE

UNGD UNDERGROUND

US UPSTREAM

W WIDTH

WM WATER MAIN

A

DETAIL/SECTION

SUPPLEMENTAL INFORMATION

SCALE:

SECTION/DETAIL TITLE

ON SAME DRAWING

(CENTERED UNDER

SECTION/DETAIL)

DETAIL/SECTION

SCALE:

SECTION/DETAIL TITLE

ON SAME DRAWING

(CENTERED UNDER

SECTION/DETAIL)

99/999

VIEW SUBTITLE

(CENTERED UNDER

EACH VIEW)

TOP FRONT SIDE

ELEVATION

A

SECTION

SCALE:

SECTION CUT W/

VIEW SHOWN ON

SAME DRAWING

SECTION CUT W/

VIEW SHOWN ON

ANOTHER DRAWING

99/999

A

A

99/999

DETAIL SYMBOL W/

VIEW SHOWN ON

SAME DRAWING

DETAIL SYMBOL W/

VIEW SHOWN ON

ANOTHER DRAWING

SAN

W

E E

G

CP

D

CONTROL POINT

IRON ROD

PI POINT

EXISTING ELECTRIC POLE

GUY WIRE

EXISTING SEWER LINE

EXISTING WATER LINE

EXISTING OVERHEAD POWER

EXISTING FENCE

EXISTING GAS LINE

EXISTING STORM CULVERT

EXISTING STORM PRESSURE PIPE

RIGHT OF WAY

TEMPORARY CONSTRUCTION EASEMENT

BASELINE

LEVEE CENTERLINE

RIPRAP EDGE

PROPOSED CULVERT PIPE

R/W

SD

TABULATION OF BENCHMARKS: VERTICAL CONTROL

ELK CHUTE LEVEE SETBACK

BENCHMARKS ELEVATION DESCRIPTION

17/00+00 1970

251.257

NAVD 88

GEOID12A

N=13084109.98 (NAD83 UTM Z15 U.S.Survey Foot)

E=2516802.54 (NAD83 UTM Z15 U.S.Survey Foot)

THE MARK IS LOCATED 8.7 MILES NORTHWEST OF BLYTHEVILLE, ARKANSAS AND 5.1 MILES SOUTHEAST OF

HORNERSVILLE, MISSOURI. TO REACH THE MARK FROM THE INTERSECTION OF ARKANSAS STATE

HIGHWAY 18 AND ARKANSAS STATE HIGHWAY 151 AT THE WEST EDGE OF BLYTHEVILLE, ARKANSAS, PROCEED NORTHWEST ALONG ARKANSAS STATE HIGHWAY 151 FOR 7.1 MILES TO THE NORTH SIDE OF A

BRIDGE AND A LEVEE GRAVEL ROAD THAT TURNS TO THE LEFT. TURN LEFT AND PROCEED ALONG THE

LEVEE GRAVEL ROAD FOR 2.2 MILES TO THE MARK ON THE LEFT. THE MARK IS LOCATED 7.0 FEET NORTH

OF THE CENTERLINE OF THE LEVEE GRAVEL ROAD and 13 FEET SOUTH OF LEVEE MILE POST 17. THE MARK

IS A BRONZE DISK STAMPED “17/00+00 1970“.

GR36009000 2002

248.694

NAVD 88

GEOID12A

N=13083719.88 (NAD83 UTM Z15 U.S.Survey Foot)

E=2528858.50 (NAD83 UTM Z15 U.S.Survey Foot)

THE MARK IS LOCATED 6.5 MILES NORTHWEST OF BLYTHEVILLE, ARKANSAS. TO REACH THE MARK FROM

THE INTERSECTION OF ARKANSAS STATE HIGHWAY 18 AND ARKANSAS STATE HIGHWAY 151 AT THE WEST

EDGE OF BLYTHEVILLE, ARKANSAS, PROCEED NORTHWEST ALONG ARKANSAS STATE HIGHWAY 151 FOR

6.6 MILES TO THE ARKANSAS-MISSOURI STATE LINE AND A GRAVEL ROAD THAT TURNS TO THE TOP OF

LEVEE. TURN LEFT AND PROCEED ALONG TOP OF LEVEE FOR 0.05 MILES TO LMP 3/4 AND THE MARK ON

THE LEFT. THE MARK IS LOCATED 201.0 FEET WEST OF THE CENTERLINE OF HIGHWAY 151, 103.9 FEET

WEST-NORTHWEST OF A POWER POLE, 79.0 FEET WEST-NORTHWEST OF TRI-STATION CALUMET, 77.2 FEET

EAST OF THE CENTER OF A LOCKED GATE ACROSS LEVEE, 12.2 FEET SOUTH OF THE CENTERLINE OF THE

GRAVEL LEVEE ROAD AND 3.5 FEET NORTH OF LMP 3/4. THE MARK IS A STAINLESS STEEL ROD WITH A

DRILLED DATUM POINT ENCASED IN A 1-INCH PVC SET UNDER AN ACCESS COVER STAMPED “GR 36009000

2002”. THE MARK IS RECESSED 8 CENTIMETERS BELOW ACCESS COVER.

LM 19+00 (90)

244.85

NAVD 88

GEOID 12A

N=13083697.03 (NAD83 UTM Z15 U.S.Survey Foot)

E=2506204.87 (NAD83 UTM Z15 U.S.Survey Foot)

TO REACH THE STA FROM GOSNELL, AR POST OFFICE GO N ON AR HWY 151 3 MILES TO THE MO-AR STATE

LINE, CONTINUE N ON MO HWY TT 0.5 MILE TO ELK CHUTE LEVEE FORM INTERSECT OF C/L; HWY TT AND

ELK CHUTE LEVEE, GO W ON LEVEE 4.O MILES TO MONUMENT 10 FT N OF LS CROWN ON SLOPE OF LEVEE

AND 3 FT S OF ORANGE WITNESS POST, MONUMENT IS

A COE BRASS CAP SET IN CONC 0.8 FT BELOW GROUND AND STAMPED 19/0+00 90. GOOD 1993. RECOVERED

IN GOOD CONDITION IN 2018 (MVM18004)

C/E

PROJECT LOCATION

LOCATION MAP

SCALE: NTS

PHASING NOTES:

1. CONTRACTOR SHALL PROVIDE THE FOLLOWING FOR REVIEW AND APPROVAL PRIOR TO CONSTRUCTION:

1.1. STAGING PLAN

1.2. SITE ACCESS PLAN

1.3. SEQUENCING PLAN

1.4. INTERIM DRAINAGE PLAN

2. CONTRACTOR TO PROVIDE TRAFFIC CONTROL IN SITE ACCESS PLAN PER SPECIFICATIONS.

3. CULVERT CONSTRUCTION MUST BE SEQUENCED TO PROVIDE FOR INTERIM DRAINAGE. CONTRACTOR SHALL NOT

INCREASE DRAINAGE IMPACTS FOR ADJACENT LAND OWNERS. SEQUENCING PLAN SHALL INDICATE ORDER OF

CONSTRUCTION OF NEW CULVERTS. INTERIM DRAINAGE PLAN SHALL IDENTIFY HOW THE CONTRACTOR INTENDS TO

MITIGATE NEGATIVE DRAINAGE IMPACTS.

4. NO LENGTH OF LEVEE GREATER THAN 100' AT ANY LOCATION AT ANY TIME SHALL BE DEGRADED BELOW ELEVATION

242.5.

5. FLOOD PROTECTION SHALL BE MAINTAINED TO AN ELEVATION OF 242.5 THROUGHOUT REMOVAL OF ALL EXISTING

CULVERTS THROUGH THE LEVEE. CULVERT REMOVAL PLAN AND DETAILS SHALL BE INCLUDED IN CONTRACTOR'S

SEQUENCING PLAN SUBMITTAL.

6. CAST-IN-PLACE CULVERT OUTLETS SHALL BE CONSTRUCTED IN PHASES AS SHOWN IN PLANS, SUCH THAT SLUICE

GATES WILL BE OPERATIONAL BEFORE FULL HEIGHT EARTHEN COFFERDAM IS REMOVED. DOWNSTREAM OUTLET

PORTION TO BE CONSTRUCTED AFTER EARTHEN COFFERDAM IS REMOVED. CONTRACTOR TO PROVIDE PLANS AND

DETAILS FOR DOWNSTREAM OUTLET PORTION CONSTRUCTION IN SEQUENCING PLAN SUBMITTAL

CULVERT CONSTRUCTION ORDER OF WORK NOTES:

1. PRIOR TO BEGINNING DEMOLITION ON EACH EXISTING CULVERT, THE CONTRACTOR SHALL MUCK OUT THE EXISTING

OUTLET CHANNEL TO THE ELEVATION PROVIDED IN THE TABLE BELOW OR AS DIRECTED BY THE CONTRACTING OFFICER.

2. THE CONTRACTOR SHALL THEN FIELD FIT A “PRE-COFFERDAM” USING R-200 RIPRAP AND POLY ACROSS THE MUCKED

OUT OUTLET CHANNEL AND PUMP OUT ANY STANDING WATER SO AS TO ESTABLISH A FIRM, DRY WORKING SURFACE ON

WHICH TO CONSTRUCT THE FINAL COFFERDAM. THE FOUNDATION MATERIAL FOR THE COFFERDAM SHALL BE INSPECTED

BY THE CONTRACTING OFFICER PRIOR TO THE PLACEMENT OF ANY FILL. IF, IN THE OPINION OF THE CONTRACTING

OFFICER, THE FOUNDATION IS TOO SOFT OR WET TO ADEQUATELY SUPPORT COMPACTION EFFORTS, THE CONTRACTOR

SHALL CONTINUE MUCKING OUT THE FOUNDATION AREA UNTIL A SUITABLE FOUNDATION IS ESTABLISHED. THE

CONTRACTOR SHALL EXERCISE EXTREME CARE NOT TO DAMAGE OR BREACH THE “PRE-COFFERDAM” DURING THIS

PROCESS.

3. THE CONTRACTOR SHALL NOT RAISE THE FINAL COFFERDAM ABOVE THE HEIGHT OF THE “PRE-COFFERDAM” UNTIL THE

GRAVEL TRENCH, DRAINAGE PIPES, AND SUMP HAVE BEEN INSTALLED AS SHOWN ON THE DRAWINGS.

4. DIMENSIONS AND SIDE SLOPES SHOWN ON CULVERT EXCAVATION PLANS ARE MINIMUM REQUIREMENTS. CONTRACTOR

MAY ADJUST THE BOTTOM WIDTH OF THE EXCAVATION AS NEEDED, SUBJECT TO THE APPROVAL OF THE CONTRACTING

OFFICER, TO ACCOMMODATE CONSTRUCTION OPERATIONS AND/OR THE INSTALLATION OF THE SUMP. PAYMENT FOR

THESE ADJUSTMENTS WILL BE MADE AT THE APPLICABLE CONTRACT UNIT PRICE. ANY REQUIRED TEMPORARY

EXCAVATION NOT SHOWN ON PLANS SHALL MEET MINIMUM SIDE SLOPES OF 2H:1V.

5. ONCE THE FINAL COFFERDAM HAS BEEN COMPLETED AS SHOWN ON THE DRAWINGS, THE CONTRACTOR SHALL PROCEED

WITH CONSTRUCTION OF THE FIRST PHASE OF THE CULVERT STRUCTURE AS SHOWN ON THE STRUCTURAL DRAWINGS.

6. BEFORE PROCEEDING WITH THE LAST PHASE OF THE OUTLET STRUCTURE, THE CONTRACTOR SHALL BACKFILL THE

CULVERT EXCAVATION UP TO AT LEAST THE TOP ELEVATION OF THE COFFERDAM AND INSTALL THE SLUICE GATE TO

RE-ESTABLISH THE LINE OF PROTECTION FOR THE LEVEE. ONCE THIS HAS BEEN COMPLETED, THE CONTRACTOR SHALL

DEGRAGE THE COFFERDAM AS NEEDED TO COMPLETE THE OUTLET STRUCTURE. HOWEVER, NOTE THAT THIS PORTION

OF THE WORK MAY BE SUBJECT TO INUNDATION FROM BELLE FOUNTAIN DITCH DURING HEAVY RAINFALL. THE

CONTRACTOR SHALL LEAVE A SUITABLE PORTION OF THE COFFERDAM IN PLACE AND SHALL SCHEDULE THE REMAINING

WORK ON THE OUTLET STRUCTURE SO AS TO MINIMIZE THE RISK OF DAMAGE TO FORMWORK OR UNCURED CONCRETE

DUE TO FLOODING.

7. ONCE THE OUTLET STRUCTURE HAS BEEN COMPLETED, THE CONTRACTOR SHALL FULLY REMOVE THE REMAINDER OF

THE COFFERDAM AND ESTABLISH THE OUTLET CHANNEL AS SHOWN ON THE DRAWINGS. RIPRAP FROM

THE “PRE-COFFERDAM” SHALL BE RE-USED IN THE OUTLET CHANNEL TO THE MAXIMUM EXTENT PRACTICAL.

CMP REQUIREMENTS

PIPE SIZE DIAMETER (INCHES) COATING

POLYMER PRECOATED

POLYMER PRECOATED

METAL THICKNESS GAGE

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H

DRAINAGE PIPE TABLE: NRCS [NEW]

PIPE NO.

PIPE 1

PIPE 2

PIPE 3

PIPE 4

PIPE 5

PIPE 6

PIPE 7

PIPE 8

PIPE 9

PIPE 10

PIPE 11

PIPE 12

PIPE 13

PIPE 14

SIZE

30"

30"

30"

30"

30"

30"

30"

30"

30"

30"

30"

30"

30"

30"

LENGTH

(FT.)

52.52'

70.81'

76.15'

66.26'

65.35'

66.35'

65.83'

50.52'

67.27'

67.27'

42.18'

42.18'

45.36'

45.36'

INV. IN

232.01

231.48

231.27

232.90

233.04

232.86

233.02

234.25

232.20

232.20

237.13

237.13

237.23

237.23

START

N: 13084095.08

E: 2510647.10

N: 13084220.51

E: 2513267.30

N: 13084276.49

E: 2514574.60

N: 13084342.57

E: 2515919.09

N: 13084345.50

E: 2516009.05

N: 13084434.41

E: 2518460.26

N: 13084438.68

E: 2518606.19

N: 13084487.58

E: 2521019.76

N: 13084567.06

E: 2521252.21

N: 13084571.06

E: 2521252.08

N: 13084639.85

E: 2523784.41

N: 13084665.40

E: 2523823.90

N: 13085766.51

E: 2526399.94

N: 13085780.85

E: 2526434.55

INV. OUT

231.75

231.13

230.89

232.57

232.71

232.53

232.69

234.00

231.86

231.86

236.92

236.92

237.00

237.00

END

N: 13084042.61

E: 2510649.25

N: 13084149.75

E: 2513269.84

N: 13084200.42

E: 2514578.22

N: 13084276.37

E: 2515921.92

N: 13084280.21

E: 2516011.84

N: 13084368.09

E: 2518462.43

N: 13084372.88

E: 2518608.35

N: 13084437.08

E: 2521021.42

N: 13084564.88

E: 2521184.97

N: 13084568.87

E: 2521184.84

N: 13084604.68

E: 2523807.69

N: 13084630.24

E: 2523847.19

N: 13085724.60

E: 2526417.29

N: 13085738.94

E: 2526451.91

SLOPE

(FT/FT)

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

-0.50%

NRCS PIPE 1

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80

NRCS PIPE 2

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80

NRCS PIPE 4

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00

NRCS PIPE 5

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00

NRCS PIPE 3

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00

NRCS PIPE 6

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80

NRCS PIPE 7

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80

NRCS PIPES 11 & 12

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00 2+20

NEW NRCS PIPE TYP

EXISTING NRCS PIPE (TYP)

EXISTING GRADE (TYP)

FINISHED GRADE (TYP)

NRCS PIPE 8

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60

NRCS PIPES 9 & 10

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80

NRCS PIPES 13 & 14

-0+20 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40 1+60 1+80 2+00 2+20 2+40

*ALL PIPES LISTED TO BE 1/4" STEEL MATERIAL PER NRCS SPECS, NO COATING

REQUIRED.

**USE 12" NRCS TYPE II INLET PER DETAIL ON SHEET C-500 FOR PIPES 1-12.

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A1

PROFILES - NRCS PIPES

SCALE: HORIZONTAL 1" = 30', VERTICAL 1" = 10'

0 10' 20'0 30' 60'

D1

NRCS PIPE TABLE

SCALE: NTS

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D O

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C

A L L A

H A

N

C-300

T Y

P I C

C

T I O

N

V

H

V

H

NEW FIELD

ACCESS ROAD

V

H

V

H

BORROW MATERIAL

EXCAVATION REQUIRED

BORROW MATERIAL TO BE EXCAVATED

WEST

BELLE

FOUNTAIN

DITCH

*ACCESS ROAD SIDE SLOPES AND LANDSIDE DITCH

WIDTH VARY NEAR EXISTING TRANSMISSION

LINE. FROM ≈ LEVEE STA 75+00 TO STA 90+00, 1V:3H

SIDE SLOPE AND 15' BOTTOM WIDTH DITCH.

**ROAD ELEVATION = 241' FROM STA 4+00 TO STA 57+30.

TRANSITION FROM STA. 57+30 TO STA. 57+70.

ROAD ELEVATION = 243' FROM STA. 57+70 TO STA 71+50

ROAD ELEVATION = 241' FROM STA. 71+50 TO STA 150+60

TRANSITION FROM STA 150+60 TO 154+60.

ROAD ELEVATION = 238' FROM STA 154+60 TO 177+66.

NO ACCESS ROAD FROM STA 177+66 TO 207+00.FROM

DITCH BOTTOM, TIE INTO EXISTING GRADE AT 1V:3.75H

SLOPE.

ROAD ELEVATION 238 FROM STA 207+00 TO 270+00.

EXISTING GROUND

ELEV. ≈238.0

VARIES DEPENDENT

ON BERM WIDTH

6" COMPACTED

GRAVEL ROADWAY

TRANSITION FROM 250.0 TO 249.2 FROM STA 2+17 TO 57+50

ELEV. 249.2 STA 57+50 TO 272+75

ELEV. 237.89

HEIGHT VARIES**

VARIABLE WIDTH BERM

40 FT. MIN.

50' LEVEE SETBACK

16' CROWN

10' BERM

VARIABLE WIDTH - APPROX. 25' * 15' 15'

15'

0.5% SLOPE

2% 2%

V

H

LANDSIDE

DITCH

PROPOSED LEVEE TYPICAL CROSS SECTION

2%

2%

COMPACTED

IMPERVIOUS FILL

S F

SILT FENCE (TYP.)

A1

TYPICAL LEVEE SECTION

SCALE: NTS

TRANSITION FROM 240.22 TO

239.42 FROM STA 2+17 TO 57+50

ELEV. 239.42 STA 57+50 TO 272+75

6" COMPACTED

GRAVEL ROADWAY

AutoCAD SHX Text C

AutoCAD SHX Text C

AutoCAD SHX Text C

AutoCAD SHX Text

C-501

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US Army Corps of Engineers

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COMPACTED

PERVIOUS FILL

NOTE

SEE STRUCTURAL PLANS FOR STRUCTURE

DIMENSIONS AND OTHER DETAILS

1V:1H

18" COMPACTED PERVIOUS FILL

UNDER OUTLET STRUCTURE

COMPACTED

IMPERVIOUS FILL

1V:2H EXCAVATION

LINE

50'

9'

5.5'

L F

M

I N

T

Y P

T

Y P

2%

10' MIN.

COMPACTED

IMPERVIOUS FILL

CULVERT CENTERLINE

1.5' THICK, COMPACTED PERVIOUS FILL

SEE S-SERIES SHEETS FOR

OUTLET STRUCTURE DETAILS

1V:1H

1V:1H

36" OF R650 RIPRAP

W/ 6" BEDDING STONE

EXISTING GRADE

DESIGN GRADE

SEE S SHEETS FOR INLET DETAILS

COMPACTED IMPERVIOUS FILL

COMPACTED PERVIOUS FILL TO

EXTEND TO

LENGTH OF CULVERT

40'

M

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NOTE:

CONTRACTOR TO INSTALL PERFORATED

DRAIN PIPE AND SUMP PER ASTM D-2729.

F9

GRAVEL TRENCH DETAIL

NOT TO SCALE

2-4" DIA. SCH 40 PERFORATED

PVC PIPE WRAPPED IN FILTER

FABRIC, DRAINS TO SUMP

WRAPPED IN

NON-WOVEN

GEOTEXTILE

GRAVEL TRENCH - SEE SHEETS

C-113 - C-118 FOR EXACT LOCATION

ELEV. 219.00'

3'

2' MIN. COVER

EXCAVATION GRADE:

SLOPE VARIES

UNDISTURBED EARTH

BACKFILL WITH EXCAVATED

MATERIAL - PLACED IN 12"

LIFTS FROM SPRINGLINE TO

PROPOSED GRADE

SPRINGLINE

COMPACTED PERVIOUS

BACKFILL TO BE PLACED

IN 12" LIFTS UP TO SPRINGLINE

12" MIN.

OUTSIDE DIA. + 4' (MIN.)

OUTSIDE DIA.

UNDISTURBED

SOIL

GRAVEL TRENCH - SEE DETAIL F9

SECTION

NOT TO SCALE

CONNECTION TO METAL PIPE OR

OUTLET END OF CONCRETE PIPE

Slope

Toe plate

END SECTIONS FOR ROUND PIPE CULVERT

A (MIN) B (MAX) H (MIN)

W (MAX)

SLOPE

APPROX.

A

A

CONNECTION TO ANNULAR

CORRUGATED METAL PIPE

SPAN OR

DIA.

B

L

A

END SECTION

H

NOTES:

1. VARIATIONS IN DESIGN AND DIMENSIONS ARE PERMITTED TO ALLOW FOR

MANUFACTURER'S STANDARDS.

2. FABRICATE THE DIAMETER OF THE END SECTION OF DESIGN B TO MATCH

THE INSIDE DIAMETER OF THE CONCRETE PIPE CULVERT.

3. DESIGN C MAY BE USED IN LIEU OF DESIGN A FOR ALL METAL PIPE

CULVERT SIZES. COUPLING BANDS MAY BE ANY ACCEPTABLE TYPE FOR

THE PIPE CULVERT SPECIFIED.

4. FABRICATE MULTIPLE PIECE BODIES WITH LAP SEAMS TIGHTLY JOINED BY

" RIVETS OR BOLTS. FABRICATE END SECTION CENTER PANELS FOR 60"

AND LARGER DIAMETER PIPE AND EQUIVALENT PIPE ARCH FROM 0.138

INCH STEEL OR 0.135 INCH ALUMINUM.

5. ON END SECTION CENTER PANELS FOR 66" AND LARGER EQUIVALENT PIPE

ARCH PROVIDE 2

" × 2

" ANGLE REINFORCEMENT BOLTED OR

RIVETED UNDER THE CENTER PANEL SEAM.

6. SUPPLEMENT THE REINFORCED EDGES OF END SECTIONS FOR 60" AND

LARGER DIAMETER PIPE AND 66" AND LARGER EQUIVALENT PIPE ARCH

WITH 2

" × 2

" STIFFENER ANGLES ATTACHED WITH BOLTS OR RIVETS.

7. FABRICATE CONNECTOR SECTION, CORNER PLATE AND TOE PLATE

EXTENSIONS FROM THE SAME METAL THICKNESS AS THE PANEL BODY.

USE TOE PLATE EXTENSION WHERE SHOWN ON THE PLANS.

8. WARP EMBANKMENT SLOPES TO MATCH THE SLOPE OF THE FLARED END

SECTIONS.

W A

SPACING FOR

" BOLTS

FOR 30" THRU 60" ROUND PIPE AND

35" × 24" THRU 66" × 51" PIPE ARCH

0.079

0.109

0.075

0.105

PIPE SIZE

DIAMETER

INCHES

STEEL

METAL THICKNESS

INCHES GAGE

ALUMINUM

INCHES GAGE

DIMENSIONS

INCHES

L (±2")

M

I N

12" MAX. HOLE

REINFORCED

EDGE

TOE PLATE

EXTENSION

PIPE CULVERT

PAY LIMIT

REINFORCED EDGE

CORNER PLATE

TOE PLATE EXTENSION

(MIN. WIDTH A+W)

PIPE CULVERT

ROD HOLDER

THREADED ROD

PIPE COUPLING BAND SHOP

BOLTED TO FLARED END SECTION

WITH

8" BOLTS AT 6" CENTERS

(MAX.) OR EQUIVALENT RIVETED

OR WELDED CONNECTION.

PIPE CULVERT

END SECTION

PLAN VIEW

SECTION A-A

SECTION VIEW

TYPE II INLET

COUPLING (OPTIONAL)

CHANNEL BOTTOM

MAX.6"

12"

10" MIN.

FLOW

FLOW

INLET PIPE

CONNECTION OF INLET TO CONDUIT

OFFSET CONNECTION

DIRECT CONNECTION

(OR UPPER INLET CONNECTION)

INLET DIA. MINIMUM NUMBER OF 1" DIA.

(INCHES) HOLES PER FT OF INLET

6 40

8 56

10 72

12 72

NOTES:

1. SPECIFICATIONS FOR MATERIAL AND FABRICATION

ARE SHOWN ON MISSOURI CONSTRUCTION

SPECIFICATION 620, UNDERGROUND OUTLET INLET.

2. THE ABOVE GROUND PORTION OF THE INLET MUST

HAVE HOLES EVENLY SPACED AROUND THE

CIRCUMFERENCE OF THE PIPE AS SHOWN BELOW:

3. BAR GUARD SHALL BE ATTACHED TO THE INLET AND

CONSTRUCTED FROM A MIN.

" STEEL RODS FOR

PIPE SIZES LESS THAN 15". AS APPROVED BY NRCS,

OTHER DESIGNS HAVING EQUIVALENT OPENING

SIZES MAY BE USED.

4. THE BELOW GROUND PORTION OF THE INLET MAY BE

PERFORATED WITH HOLES

INCH DIAMETER OR

LESS TO PROVIDE DRAINAGE AROUND THE INLET.

5. THE TEE OR ELBOW DIAMETER MUST BE EQUAL TO

OR LARGER THAN THE DIAMETER OF THE CONDUIT

DOWNSTREAM FROM THE INLET.

6. INSTALL A REDUCER IMMEDIATELY ABOVE THE TEE

OR ELBOW IF THE INLET DIAMETER IS NOT EQUAL TO

THE DIAMETER OF THE TEE OR ELBOW.

7. THE UNDERGROUND OUTLET CONDUIT MUST BE

INSTALLED DEEP ENOUGH TO PROVIDE A MINIMUM

24" OF COVER (AFTER TERRACE CONSTRUCTION) TO

PREVENT CRUSHING.

90° ELBOW OR

BLIND TEE

SEE NOTE 5

OFFSET OR

UNDERGROUND

OUTLET CONDUIT

UNDERGROUND

OUTLET CONDUIT

SEE NOTE 7

STANDARD TEE

SEE NOTE 5

BAR GUARD INTAKE

SEE NOTES 3

PERFORATED

PIPE (OPTIONAL)

SEE NOTE 4

REDUCER (IF NEEDED)

SEE NOTE 6

REDUCER

(IF NEEDED)

F1

CULVERT OUTLET BACKFILL DETAIL

SCALE: NTS

D1

CULVERT INLET BACKFILL DETAIL

SCALE: NTS

A1

CMP FLARED END SECTION DETAIL

SCALE: NTS

A7

CMP PIPE TRENCH DETAIL

SCALE: NTS

C7

NRCS TYPE II INLET DETAIL

SCALE: NTS

END PROTECTION

18" COMPACTED

PERVIOUS FILL

NOTE

SEE STRUCTURAL PLANS FOR STRUCTURE

DIMENSIONS AND OTHER DETAILS

COMPACTED

IMPERVIOUS FILL

CULVERT SECTION

NOT TO SCALE