20160720_BULL_HILL_REV_1_ISSUED_FOR_CONSTRUCTION.pdf

PDF 11 MB Posted Aug 11, 2016

Attached to: Wetland Restoration Project Hyde County, North Carolina Easement 66453200004GH
Solicitation number: AG-2B46-S-16-0013
Issued by: Department of Agriculture National Resources Conservation Service Southeast Region

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Construction Drawings 1-9

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PREPARED BY

NATURAL RESOURCES CONSERVATION SERVICE

WETLAND RESERVE PROGRAM

LOCATION MAP

NTS.

VICINITY MAP

NTS.

PROJECT DESCRIPTION:

THE PURPOSE OF THIS PROJECT IS TO RESTORE THE WETLAND

HYDROLOGY AND ECOLOGY WITHIN THE BULL HILL FARMS WETLANDS

RESERVE PROGRAM CONSERVATION EASEMENT BOUNDARY.

IMPROVEMENTS WILL INCLUDE HYDROLOGIC ENHANCEMENT,

HYDROLOGY ATTENUATION, AND WATER QUALITY IMPROVEMENTS.

HYDE COUNTY

CALL 48 HOURS

BEFORE YOU DIG

800-632-4949

Natural Resources Conservation Service

United States

Department of

Agriculture

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ISSUED FOR BID / CONSTRUCTION

Sheet List Table

Sheet

Number

Sheet Title

1 COVER SHEET

2 GENERAL NOTES

3 OVERALL SITE PLAN

4 WCS 01

5 DIKE STA 0+00 - 9+62.87

6 DIKE STA 9+62.87 TO 19+25.73

7 DIKE STA 19+25.73 TO 27+15.86

8 DETAILS

9 DETAILS AND TYPICAL SECTION

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CN - 101

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

BULL HILL

2014-01-02

SCALE AS SHOWN

W E

T L

A N

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G R

A M

EXISTING CONTOUR LINE

ALIGNMENT LINE MARKER

TREE PROTECTION FENCING

OVERHEAD ELECTRICAL LINE

OHE OHE

PROFILE BAND LEGEND

0+00

STATION

PROPOSED

ELEVATION

EXISTING

ELEVATION

LEGEND

SHEET KEY MAP

ABBREVIATIONS / ACRONYMS

WRE

WETLAND RESERVE EASEMENT

LIMITS

WCS - D

SHEET 5

SURVEY AND GENERAL NOTES:

1. CONTROL POINT 1 WAS SET WITH A TRIMBLE R8 SYSTEM LOGGING DATA FOR A STATIC

OBSERVATION POINT THIS DATA WAS THEN SENT TO OPUS TO DEVELOP CONTROL.

CONTROL FROM THIS OPUS SOLUTION WAS CALCULATED AS N: 694,929.08 SFT; E:

2,777,968.95 SFT; AND ELEV. 10.01 SFT (NC STATE PLANE 3200 GRID [NAD 83 AND NAVD

88]). THIS OPUS SOLUTION WAS RECEIVED ON JANUARY 2, 2014. NRCS HAS COMPUTED

THE SCALE FACTOR FOR THIS SITE TO BE 1.000005224. ALL OTHER SURVEY POINTS

TIED TO THIS POINT TO ESTABLISH THE LOCAL GRID. CONTRACTOR SHALL FIELD

VERIFY ALL SURVEY CONTROL POINTS WITHIN THREE (3) WEEKS OF RECEIPT OF THE

NOTICE TO PROCEED. CONTRACTOR SHALL CONTACT NRCS PROJECT ENGINEER

WITHIN FOUR (4) WEEKS OF RECEIPT OF NOTICE TO PROCEED WITH ANY CONTROL

POINT DISCREPANCIES, AFTER SUCH TIME HAS PASSED IT WILL BE THE ASSUMPTION

THAT ALL CONTROL POINTS AS SHOWN ON THE PLANS ARE IN GOOD STANDING AND

CONTRACTOR AGREES WITH PUBLISHED COORDINATES.

2. THIS SURVEY WAS CONDUCTED BY NRCS STAFF WHICH ARE NOT LICENSED SURVEYORS WITHIN THE STATE OF NORTH CAROLINA. THEREFORE, ALL ELEVATION DATA SHALL BE FIELD VERIFIED

BY THE CONTRACTOR AND THEN COORDINATED WITH THE ENGINEER. THESE PLANS WERE

PREPARED WITH THE FIELD INFORMATION AT THE TIME OF PROJECT SURVEY. IT IS POSSIBLE THAT FIELD CONDITIONS AT THE TIME OF CONSTRUCTION VARY FROM THESE PLANS AND IT IS

THE CONTRACTOR'S RESPONSIBILITY TO VERIFY FIELD CONDITIONS SUCH AS ELEVATIONS,

DEPTHS, ETC PRIOR TO PROCEEDING WITH WORK. SURVEY DATA COLLECTION WAS VERY

SPARSE DUE TO FIELD CONDITIONS, THEREFORE, ALL ELEVATIONS SHOULD BE CHECKED IN THE

FIELD BY CONTRACTOR PRIOR TO CONSTRUCTION. CONTRACTOR SHALL CONTACT PROJECT

ENGINEER IMMEDIATELY UPON DISCOVERING ELEVATIONS WHICH ARE DIFFERENT THAN

THOSE SHOWN ON THE PLANS.

3. NRCS SHALL HOLD THE CONTRACTOR TO ± 0.05 FT. TOLERANCE ON ALL WATER

CONTROL STRUCTURES, AND TO ± 0.1 FT. TOLERANCE ON ALL OTHER CONSTRUCTION

AND INSTALLED ITEMS.

4. MAINTAIN, RELOCATE OR REPLACE EXISTING SURVEY MONUMENTS, CONTROL POINTS

AND STAKES WHICH ARE DISTURBED OR DESTROYED. PERFORM THE WORK TO

PRODUCE THE SAME LEVEL OF ACCURACY AS THE ORIGINAL MONUMENT(S) IN A

TIMELY MANNER AND AT THE CONTRACTORS EXPENSE.

5. EXISTING TOPOGRAPHY, STRUCTURES AND SITE FEATURES ARE SHOWN SCREENED

AND/OR LIGHT-LINED . NEW FINISHED GRADE, STRUCTURES AND SITE FEATURES ARE

SHOWN AS HEAVY-LINED.

6. ELEVATIONS GIVEN ARE TO SETTLED GRADE UNLESS OTHERWISE SHOWN

7. ALL SLOPES SHALL BE 5:1 OR FLATTER UNLESS OTHERWISE SPECIFIED. SLOPE

UNIFORMLY BETWEEN CONTOURS AND SPOT ELEVATIONS SHOWN.

RECOMMENDED CONSTRUCTION SEQUENCE

CONTRACTOR SHALL SUBMIT A WRITTEN REQUEST TO NRCS PROJECT ENGINEER TWO

WEEKS IN ADVANCE FOR ANY DEVIATION FROM THE FOLLOWING SCHEDULE, FOR ANY

UNFORESEEN CIRCUMSTANCE.

1. CONTRACTOR SHALL ACCESS THE PROJECT AS SHOWN ON SHEET 3 OF THIS PLAN

SET.

2. CONTRACTOR SHALL INSTALL SEDIMENT AND EROSION CONTROL PRACTICES AS

SHOWN IN THE PLANS, SPECIFICATIONS AND /OR AS REQUIRED BY PERMITTING

AUTHORITIES.

3. CONSTRUCTOR SHALL INSTALL DE-WATERING DEVICES PER WATER CONTROL

STRUCTURE FABRICATION ENGINEER, FOLLOWING REVIEW AND CONCURRENCE BY

NRCS ENGINEER.

4. COMMENCE DIKE CONSTRUCTION AS DIRECTED IN THE PLANS AND

SPECIFICATIONS.

5. COMMENCE WATER CONTROL STRUCTURE INSTALLATION AT LOCATION

DESIGNATED IN PLANS AND SPECIFICATIONS.

6. SEED AND PLANT AREAS IN ACCORDANCE WITH CONSTRUCTION SPECIFICATIONS.

SEEDING SHALL BE CONDUCTED IMMEDIATELY FOLLOWING A BID ITEM BEING

BROUGHT TO FINAL GRADE.

7. CONDUCT PUNCH LIST WALK THROUGH, WITH GOVERNMENT REPRESENTATIVE,

PROJECT ENGINEER, AND PROJECT INSPECTOR.

8. ADDRESS PUNCH LIST ITEMS.

9. STABILIZE THE SITE, IN ACCORDANCE WITH THE PLANS AND SPECIFICATIONS.

10. UPON STABILIZATION, REQUEST APPROVAL FOR THE REMOVAL OF TEMPORARY

SEDIMENT AND EROSION CONTROL DEVICES.

11. REMOVE TEMPORARY SEDIMENT AND EROSION CONTROL DEVICES, AFTER

APPROVAL FROM PROJECT ENGINEER.

12. REMOVE EQUIPMENT FROM PROJECT AREA.

WRP

SOIL BORING LOCATION

5:1

ALIGNMENT CURVE MARKER

TSF

T S

TSF

T S

SLOPE

SPOT ELEVATION

PROPOSED CONTOUR LINE

EMBANKMENT AND SLOPE

DRAINAGEWAY OR DITCH

CONTROL POINT

BRUSH/TREE LINE

WETLAND RESERVE PROGRAM

CONSERVATION EASEMENT

LIMITS

CENTER LINE, BUILDING, ROAD, ETC.

N 1000.00

E 1000.00

STRUCTURE, BUILDING OR FACILITY

LOCATION POINT- COORDINATES

DRAINAGE OR DITCH FLOW

DIRECTION

LIMITS OF DISTURBANCE

LOD LOD

SILT FENCE

SF SF

WATER CONTROL STRUCTURE

STRUCTURE

EXISTING CONTOUR LINE

ALIGNMENT LINE MARKER

TREE PROTECTION FENCING

OVERHEAD ELECTRICAL LINE

OHE OHE

PROFILE BAND LEGEND

0+00

STATION

PROPOSED

ELEVATION

EXISTING

ELEVATION

LEGEND

SHEET KEY MAP

STA = STATION

BM = BENCHMARK

TBM = TEMPORARY BENCHMARK

IP = IRON PIN (FOUND OR SET)

ELEV / EL = ELEVATION

INV = INVERT ELEVATION

H = HEIGHT

HDPE = HIGH-DENSITY POLYETHYLENE

LF = LINEAR FOOT

MAX = MAXIMUM

MIN = MINIMUM

No. / # = NUMBER

TOB = TOP OF BANK

TOS = TOE OF SLOPE

DBT = DITCH BOTTOM

RCP = REINFORCED CONCRETE PIPE

CMP = CORRUGATED METAL PIPE

GALV =` GALVANIZED

SF = SILT FENCE

LOD = LIMITS OF DISTURBANCE

WRP = WETLAND RESERVE PROGRAM

WRE = WETLAND RESERVE EASEMENT

CONC = CONCRETE

W/ = WITH

NCDOT = NORTH CAROLINA DEPARTMENT OF TRANSPORTATION

NTS = NOT TO SCALE

WCS = WATER CONTROL STRUCTURE

SL = SLOUGH

PC = POINT OF CURVATURE

PT = POINT OF TANGENT

PVI = POINT OF VERTICAL INTERSECTION

PVE = POINT OF VERTICAL INTERSECTION ELEVATION

R 20 = RADIUS OF 20.0'

TYP. = TYPICAL

ESMT = EASEMENT

I.D. = INSIDE DIMENSION

TH = SOIL BORING TEST HOLE

MS = MAIN STEM

LS = LOG SILL

CL = COVER LOG

LV = LOG VANE

CV = LOG CROSS VANE

RW = ROOT WAD

HB = HABITAT STRUCTURE

BMA = BRUSH MATTRESS

LR = LOG ROLL

LP = LEAF PACK

BLDR = BOULDER

LLDPE = LINEAR LOW-DENSITY POLYETHYLENE

ABBREVIATIONS / ACRONYMS

WRE

WETLAND RESERVE EASEMENT

LIMITS

WCS - 01

SHEET 4

PROPOSED DIKE

PROPOSED AUXILIARY

SPILLWAY (SHEET 9)

DIKE - 01

(SHEET 5)

DIKE - 01

(SHEET 6)

DIKE - 01

(SHEET 7)

LLDPE CURTAIN

LLDPE

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ISSUED FOR BID / CONSTRUCTION

IRON PIN SET / CONSTRUCTION

BENCHMARK

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CN - 101

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

BULL HILL

2014-01-02

SCALE AS SHOWN

W E

T L

A N

E S

E R

G R

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GENERAL NOTES

1. CONTRACTOR SHALL ADHERE TO ALL SEDIMENT AND EROSION CONTROL

PRACTICES AS SPECIFIED WITHIN THIS CONTRACT.

2. CONTRACTOR SHALL PROVIDE SMOOTH TRANSITIONS BETWEEN PROPOSED

AND EXISTING GRADE.

3. SHADED AREAS DEPICTED IN PLAN VIEWS ARE FOR GRAPHICAL

REPRESENTATION ONLY, SEE PROFILES AND TYPICAL CROSS SECTIONS FOR

DETAILED INFORMATION.

4. CONTRACTOR TO DISPOSE OF ALL SPOIL, WAIST AND DEBRIS PER

CONSTRUCTION PLANS AND SPECIFICATIONS

5. BORROW AREA SHALL HAVE A MAXIMUM DEPTH OF 3.5 FEET; SIDE SLOPES

SHALL BE 10:1 OR FLATTER, ORGANIC TOPSOIL SHALL BE STRIPPED AND

STOCKPILED PRIOR TO BORROW ACTIVITIES, THIS MATERIAL WILL THEN BE

ADDED BACK ON THE SIDE SLOPES A MINIMUM OF 6 INCHES THICK.

HORIZONTAL SCALE: 1" = 100'

100500 200 300

PROPOSED

WATER CONTROL

STRUCTURE

(SEE SHEET 4)

APPROXIMATE

WRP BOUNDARY

(TYP.)

PROPOSED BORROW AREA

APPROX. 4.5 AC

(SEE NOTES ABOVE)

PROPOSED DIKE

(SEE SHEETS 5 - 7)

AUXILIARY SPILLWAY

(SEE SHEET 9)

CONTRACTOR SHALL

ACCESS SITE VIA

FARM PATH

LIMITS OF

DISTURBANCE

(TYP.)

LIMITS OF

DISTURBANCE

(TYP.)

SILT FENCE

TP #1

TP #2

TP #3

TP #4

TP #5

APPROXIMATE

WRP BOUNDARY

(TYP.)

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ISSUED FOR BID / CONSTRUCTION

CONSTRUCTION

IRON PIN SET #2

N: 692,434.03 sFT.

E: 2,779,074.94 sFT.

ELEV: 10.72 sFT.

GRID: LOCAL

CONTROL POINT #1

N: 694,929.08 sFT.

E: 2,777,968.95 sFT.

ELEV: 10.01 sFT.

GRID: NC - 3200

OPUS SOLUTION 01/02/2014

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WCS 01 -0+50.00-1+50.00

MEAN WSE

ELEV: 6.53

Horizontal

-2:1

-3:1

GRADE BREAK STA = 0+29.14

ELEV = 8.00

GRADE BREAK STA = 0+36.19

ELEV = 10.50

GRADE BREAK STA = 0+54.14

ELEV = 10.50

GRADE BREAK STA = 0+69.64

ELEV = 4.50

GRADE BREAK STA = 0+58.64

ELEV = 9.00

GRADE BREAK STA = 0+64.64

ELEV = 7.00

FURNISH AND INSTALL

1 - 24 IN HDPE

AASHTO M 294 'S' 40.00 LF

INV. IN: 5.25

INV. OUT: 4.75

FIXED PLATE

ELEV: 7.00

EXISTING GRADE

FURNISH AND INSTALL

4' x 6'' PRECAST WATER

CONTROL STRUCTURE

TOP OF RISER: 8.00

FIXED PLATE: 7.00

INV. IN: 5.25

PROPOSED GRADE

0+00

0+83

CONTRACTOR SHALL PROVIDE

UNIFORM SLOPE TO EXISTING

DITCH AND WATER CONTROL

STRUCTURE

FURNISH AND INSTALL

4' x 6'' PRECAST

WATER CONTROL

STRUCTURE

TOP OF RISER: 8.00

FIXED PLATE: 7.00

INV. IN: 5.25

EXISTING PATH

FURNISH AND INSTALL 1 - 24 IN HDPE

AASHTO M 294 'S' 40.00 LF

INV. IN: 5.25

INV. OUT: 4.75

CONTRACTOR SHALL

FURNISH AND INSTALL

DIKE AND LLDPE

PER DETAILS AND

SPECIFICATIONS

PC: 0+62.54

PT: 0+98.89

LLDPE START

Sta: 0+47.04

Offset: 62.66

UNKNOWN DITCH DEPTH,

CONTRACTOR SHALL

UNIFORMLY FILL DITCH

MAINTAINING DIKE SIDE

SLOPES

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BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

2014-01-02

SCALE AS SHOWN

W E

T L

A N

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E R

G R

A M

HORIZONTAL SCALE: 1" = 40'

40200 80 120

V E

R T

I C

A L

C A

L E

1.0

2.0

4.0

6.0

GENERAL NOTES

1. CONTRACTOR SHALL ADHERE TO ALL SEDIMENT AND EROSION CONTROL

PRACTICES AS SPECIFIED WITHIN THIS CONTRACT.

2. CONTRACTOR SHALL PROVIDE SMOOTH TRANSITIONS BETWEEN PROPOSED

AND EXISTING GRADE.

3. SHADED AREAS DEPICTED IN PLAN VIEWS ARE FOR GRAPHICAL

REPRESENTATION ONLY, SEE PROFILES AND TYPICAL CROSS SECTIONS FOR

DETAILED INFORMATION.

4. CONTRACTOR TO DISPOSE OF ALL SPOIL, WAIST AND DEBRIS PER

CONSTRUCTION PLANS AND SPECIFICATIONS

PLAN VIEW

SCALE: 1" = 20'

PROFILE VIEW

(1" = 40' HORIZ., 1" = 2.0' VERT.)

HORIZONTAL SCALE: 1" = 20'

20100 40 60

CN - 101

BULL HILL

PROPOSED DIKE

(SEE SHEETS 5 - 7)

LIMITS OF

DISTURBANCE

(TYP.)

SILT FENCE

D S

G N

C H

A P

V D

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D E

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R I P

T I O

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ISSUED FOR BID / CONSTRUCTION

CONTRACTOR SHALL TIE

TO EXISTING GRADE AT

2:1 OR FLATTER.

UNKNOWN DITCH

BOTTOM DEPTH.

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BULL HILL DIKE -0+25.00-9+62.87

Horizontal

GRADE BREAK STA = 0+00.20

ELEV = 10.34

GRADE BREAK STA = 1+83.44

ELEV = 8.60

PROPOSED GRADE

EXISTING GRADE

CONTRACTOR SHALL

FURNISH AND INSTALL

DIKE AND LLDPE

PER DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

0+00

0+83

1+00

2+00

3+00

4+00

5+00

6+00

7+00

8+00

9+00

10+00

PC: 0+62.54

PT: 0+98.89

W R

P W

R P

W R

P W

R P

W R

P W

R P

W R

P W

R P

W R

L O

D L O

L O

D L O

S F

LLDPE START

Sta: 0+47.04

Offset: 62.66

L L D

P E

LLDPE

LLD

LLDPE

LLD

B U

A R

M S

D I K

T A

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

2014-01-02

SCALE AS SHOWN

W E

T L

A N

E S

E R

G R

A M

HORIZONTAL SCALE: 1" = 40'

20100 40 60

V E

R T

I C

A L

C A

L E

1.0

2.0

4.0

6.0

GENERAL NOTES

1. CONTRACTOR SHALL ADHERE TO ALL SEDIMENT AND EROSION CONTROL

PRACTICES AS SPECIFIED WITHIN THIS CONTRACT.

2. CONTRACTOR SHALL PROVIDE SMOOTH TRANSITIONS BETWEEN PROPOSED

AND EXISTING GRADE.

3. SHADED AREAS DEPICTED IN PLAN VIEWS ARE FOR GRAPHICAL

REPRESENTATION ONLY, SEE PROFILES AND TYPICAL CROSS SECTIONS FOR

DETAILED INFORMATION.

4. CONTRACTOR TO DISPOSE OF ALL SPOIL, WAIST AND DEBRIS PER

CONSTRUCTION PLANS AND SPECIFICATIONS

PLAN VIEW

SCALE: 1" = 40'

CN - 101

BULL HILL

PROPOSED WCS 01

(SEE SHEET 4)

APPROXIMATE WRP

EASEMENT BOUNDARY

PROPOSED DIKE

CONTRACTOR SHALL

FURNISH AND INSTALL

DIKE AND LLDPE PER

DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

PROFILE VIEW

(1" = 40' HORIZ., 1" = 2.0' VERT.)

CONTRACTOR SHALL PROVIDE

SMOOTH TRANSITION BETWEEN

DESIGN AND EXISTING GRADES

(TYP.)

CONTRACTOR SHALL TURN

LLDPE ALONG EXISTING

PATH CENTERLINE 75.0'

LIMITS OF

DISTURBANCE

(TYP.)

SILT FENCE

M A

T C

H L I N

S H

E E

D S

G N

C H

A P

V D

N o

D E

S C

R I P

T I O

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ISSUED FOR BID / CONSTRUCTION

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BULL HILL DIKE 9+62.87-19+25.73

Horizontal

PROPOSED GRADE

EXISTING GRADE

AUXILIARY SPILLWAY

CONTRACTOR SHALL

FURNISH AND INSTALL

DIKE AND LLDPE

PER DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

GRADE BREAK STA = 13+00.00

ELEV = 8.60

GRADE BREAK STA = 13+06.91

ELEV = 8.25

GRADE BREAK STA = 13+93.13

ELEV = 8.25

GRADE BREAK STA = 14+00.00

ELEV = 8.60

10+00 11+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00

WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP WRP

LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD LOD

LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD

SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF

LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE LLDPE

B U

A R

M S

D I K

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

2014-01-02

SCALE AS SHOWN

W E

T L

A N

E S

E R

G R

A M

HORIZONTAL SCALE: 1" = 40'

20100 40 60

V E

R T

I C

A L

C A

L E

1.0

2.0

4.0

6.0

GENERAL NOTES

1. CONTRACTOR SHALL ADHERE TO ALL SEDIMENT AND EROSION CONTROL

PRACTICES AS SPECIFIED WITHIN THIS CONTRACT.

2. CONTRACTOR SHALL PROVIDE SMOOTH TRANSITIONS BETWEEN PROPOSED

AND EXISTING GRADE.

3. SHADED AREAS DEPICTED IN PLAN VIEWS ARE FOR GRAPHICAL

REPRESENTATION ONLY, SEE PROFILES AND TYPICAL CROSS SECTIONS FOR

DETAILED INFORMATION.

4. CONTRACTOR TO DISPOSE OF ALL SPOIL, WAIST AND DEBRIS PER

CONSTRUCTION PLANS AND SPECIFICATIONS

PLAN VIEW

SCALE: 1" = 40'

CN - 101

BULL HILL

AUXILIARY SPILLWAY

(SEE DETAIL SHEET 9)

PROPOSED DIKE

CONTRACTOR SHALL

FURNISH AND INSTALL

LLDPE PER DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

PROFILE VIEW

(1" = 40' HORIZ., 1" = 2.0' VERT.)

LIMITS OF

DISTURBANCE

(TYP.)

SILT FENCE

S H

E E

M A

T C

H L I N

M A

T C

H L I N

S H

E E

12 LF

TURF REINFORCEMENT

MATTING

INSTALLED DIKE 01

CORE MATERIAL.

INSTALLED LLDPE

AUXILIARY SPILLWAY TYPICAL SECTION

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BULL HILL DIKE 19+25.73-27+15.86

HorizontalHorizontal

GRADE BREAK STA = 26+97.43

ELEV = 8.60

GRADE BREAK STA = 25+08.44

ELEV = 8.60

PROPOSED GRADE

EXISTING GRADE

CONTRACTOR SHALL

FURNISH AND INSTALL

DIKE AND LLDPE

PER DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

27+08

END Sta: 26+88.94

DIKE AND LLDPE

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BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

SHEET: of 9

VERIFY SCALE

2014-01-02

SCALE AS SHOWN

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HORIZONTAL SCALE: 1" = 40'

20100 40 60

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1.0

2.0

4.0

6.0

GENERAL NOTES

1. CONTRACTOR SHALL ADHERE TO ALL SEDIMENT AND EROSION CONTROL

PRACTICES AS SPECIFIED WITHIN THIS CONTRACT.

2. CONTRACTOR SHALL PROVIDE SMOOTH TRANSITIONS BETWEEN PROPOSED

AND EXISTING GRADE.

3. SHADED AREAS DEPICTED IN PLAN VIEWS ARE FOR GRAPHICAL

REPRESENTATION ONLY, SEE PROFILES AND TYPICAL CROSS SECTIONS FOR

DETAILED INFORMATION.

4. CONTRACTOR TO DISPOSE OF ALL SPOIL, WAIST AND DEBRIS PER

CONSTRUCTION PLANS AND SPECIFICATIONS

PLAN VIEW

SCALE: 1" = 40'

CN - 101

BULL HILL

PROFILE VIEW

(1" = 40' HORIZ., 1" = 2.0' VERT.)

APPROXIMATE WRP

EASEMENT BOUNDARY

PROPOSED DIKE

CONTRACTOR SHALL

FURNISH AND INSTALL

LLDPE PER DETAILS AND

SPECIFICATIONS

(SEE DETAIL SHEET 9)

LIMITS OF

DISTURBANCE

(TYP.)

SILT FENCE

CONTRACTOR SHALL

PROVIDE SMOOTH

TRANSITION NO

STEEPER THAN

20:1 GRADE

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LEGEND OF TABLE

EL. "A" = TOP OF FILL OVER STRUCTURE

EL. "B" = TOP OF RISER

EL. "C" = BOTTOM OF CONCRETE

EL. "D" = UPPER INVERT OF PIPE

EL. "E" = LOWER INVERT OF PIPE

EL. "F" = PERMANENT WEIR

L = LENGTH OF PIPE

FLOW

EL. "D" = INLET

CONCRETE FLASH

BOARD RISER

TOP OF RISER EL. "B"

1-1/2" HOLE FOR

LOCKING ROD

"L"= LENGTH OF PIPE

CONCRETE BASE EL. "C"

TOP OF FILL EL. "A" = CONSTRUCTED

VAR.

VARIABLE MIN. 5:1

COMPACTED BACK FILL TO

TIE TO SUITABLE MINERAL

SOILS (DEPTH VARIES). PER

FABRICATION ENGINEER.

2.0' MIN., #57 STONE BEDDING

PER FABRICATION ENGINEER

GEOTEXTILE

WRAP NON-WOVEN GEOTEXTILE AROUND

PIPE AT ALL PIPE JOINTS.

(MIN. 1.0' OVERLAP BOTH SIDES)

REAR WALL OF RISER SHALL BE

FLUSH WITH FINISH GRADE SLOPE

2 LF (TYP)

EL. "F" = WEIR

6" MIN.

TYPICAL SECTION OF WATER CONTROL STRUCTURE

NTS.

RIP-RAP SLOPE PROTECTION

(TYP.) (SEE DETAIL THIS SHEET)

EL."E" = OUTLET

RIP-RAP SCOUR PROTECTION WIDTH 2X

PIPE DIAMETER BY 2X PIPE DIAMETER,

DEPTH OF ROCK 12" (INCHES). CLASS A

RIP-RAP PER SPECIFICATIONS. UNDERLAY

WITH CLASS 1 NON-WOVEN GEO-TEXTILE

MATERIAL RIP-RAP SHALL NOT IMPEDE

TIDE GATE FUNCTION.

CLASS 1 NON-WOVEN GEO-TEXTILE

SCOUR PROTECTION

WIDTH = 2 x PIPE DIA.

LENGTH = 2 x PIPE DIA.

DEPTH = 12 INCHES

EQUILATERAL ORIENTED

POLYPROPYLENE GEOGRID

PIPE-TO-MANHOLE-CONNECTOR BOOT

PER FABRICATION ENGINEER

AND GROUTED IN PLACE PER

SPECIFICATIONS. (BOTH SIDES)

RIP-RAP SLOPE PROTECTION

SHALL BE INSTALLED TO THE

TOP OF THE WATER CONTROL

STRUCTURE (TYP. ) BOTH SIDES

ALUMINUM FLASHBOARDS

10 Ga. ALUMINUM GUIDE

2" x 2" CHANNEL

BUTYL-SEALANT GASKET (TYP.)

TOP

PIPE-TO-MANHOLE CONNECTOR

BOOT PER FABRICATION

ENGINEER AND GROUTED IN

PLACE (BOTH SIDES)

CENTER SUPPORT MIN. 8" X 12"

U CHANNEL SHALL BE TABBED

AND TIED TO RE-BAR ON

VERTICAL SUPPORTS. RE-BAR

SHALL RUN THROUGH THE

ENTIRETY OF THE CENTER

SUPPORT

LOCKING ROD PLAN VIEW

NTS.

FLATTEN END AND DRILL

2" HOLE.

3/4" ALUMINUM ROD

LENGTH VARIES

TO FIT STRUCTURE.

TWO LIFTING HOOKS PER

STRUCTURE. LENGTH OF LIFTING

HOOKS ADEQUATE TO REACH

BOTTOM STOPLOG.

1' - 0"

V A

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1/2'"

ROUND

BAR

STOPLOG LIFTING HOOK

NTS.

1/2" ROUND BAR WELDED

TO TUBULAR ALUM. AS

SHOWN (2 REQ'D PER

STOPLOG).

NOTE: CONTRACTOR SHALL FURNISH,

FABRICATE, AND INSTALL STOPLOGS TO

BE FABRICATED FROM

" TUBULAR

ALUMINUM. LENGTH OF STOPLOGS

SHALL BE 1/2" LESS THAN DISTANCE

BETWEEN CHANNELS.

ALUMINUM STOPLOG

NTS.

ORTHOGRAPHIC VIEW

10 Ga. ALUMINUM GUIDE

2" x 2" CHANNEL

BUTYL-SEALANT

GASKET (TYP.)

LOCKING EYE

STRUCTURAL

CONCRETE

NOTE:

IMAGES FOR REFERENCE ONLY.

FABRICATION ENGINEER TO DESIGN

PIPE-TO-MANHOLE

CONNECTOR BOOT

CONCRETE CENTER

SUPPORT ONLY FOR

STRUCTURES WIDER

THAN 5 FOOT

TOP OF FILL

EXISTING GRADE

O.D. 1/2 O.D.1/2 O.D.

GENERAL NOTES:

OD. = THE MAXIMUM HORIZONTAL OUTSIDE DIMENSION

DO NOT OPERATE HEAVEY EQIPMENT OVER ANY STRUCTURAL PLATE PIPE UNTIL THE STRUCTURAL PLATE PIPE HAS

BEEN PROPERLY BACKFILLED AND COVERED WITH AT LEAST 2.0 FEET OF APPROVED MATERIAL.

* O.D. / 12 NOT LESS THAN 6" MIN.

APPROVED SUITABLE LOCAL MATERIAL OR SELECT MATERIAL FOR

FOUNDATION CONDITIONING AS DIRECTED BY ENGINEER

APPROVED BACKFILL OR SELECT MATERIAL

UNDISTURBED EARTH MATERIAL

EARTH BACKFILL ADJACENT TO STRUCTURES SHALL BE COMPACTED TO A DENSITY EQUIVALENT TO THAT OF THE

SURROUNDING INPLACE EARTH MATERIAL OR ADJACENT REQUIRED EARTHFILL OR EARTH BACKFILL. COMPACTION

SHALL BE ACCOMPLISHED BY HAND TAMPING OR MANUALLY DIRECTED POWER TAMPERS, PLATE VIBRATORS, WALK-BEHIND, MINIATURE, OR SELF-PROPELLED ROLLERS. UNLESS OTHERWISE SPECIFIED HEAVY EQUIPMENT

INCLUDING BACKHOE MOUNTED POWER TAMPERS OR VIBRATING COMPACTORS AND MANUALLY DIRECTED

VIBRATING ROLLERS SHALL NOT BE OPERATED WITHIN 3 FEET OF ANY STRUCTURE. TOWED OR SELF-PROPELLED

VIBRATING ROLLERS SHALL NOT BE OPERATED WITHIN 5 FEET OF ANY STRUCTURE. COMPACTION BY MEANS OF

DROP WEIGHTS OPERATING FROM A CRANE OR HOIST IS NOT PERMITTED.

PIPE INSTALLATION

NTS.

SINGLE PIPE

SEE EARTH BACKFILL NOTE

BELOW FOR HAND

COMPACTED FILL

AS DIRECTED BY FABRICATION ENGINEER

HDPE TYPE S PIPE

AASHTO M 294

1/4" ALUMINUM PLATES

W/ 1-1/2" HOLE FOR

LOCKING ROD (TYP.)

INTERNAL STEEL AND LIFTING

HOOKS SHALL BE DESIGNED BY

A NORTH CAROLINA REGISTERED

PROFESSIONAL ENGINEER

FRONT RIGHT

CONCRETE FLASHBOARD RISER DETAIL

NTS.

STRUCTURE PIPE

STRUCTURE

WEIR TOP OF FILL TOP OF RISER

BASE

ELEVATION

INVERT

ELEVATION

FIXED WEIR

ELEVATION

NO. OF 4 IN.

BOARDS

NO. OF 6 IN.

BOARDS

HEADW

ALL

END WALL

PIPE INVERT IN INVERT OUT LENGTH

NORTHING EASTING WEIR LENGTH EL. "A" EL. "B" EL. "C" EL. "D" EL. "F" SIZE QUANTITY MATERIAL EL. "D" NORTHING EASTING EL. "E" NORTHING EASTING LF

WCS 1

692,671.99 2,779,295.76

20' 10.50 8.00 4.79 5.25 7.0 4 2 N N 24" 1 HDPE - S 5.25

692,669.46 2,779,299.16

4.75 692,645.34 2,779,331.69

PROPOSED STRUCTURE

RIP-RAP SLOPE PROTECTION

MIN. THICKNESS 18"

TOP OF RISER ELEV.

TOE OF SLOPE ELEV.

TOP OF RISER ELEV.

TOE OF SLOPE ELEV.

MIN. 25'

RIP-RAP SLOPE PROTECTION

MIN. THICKNESS 18"

REAR WALL OF RISER SHALL

BE FLUSH WITH FINISH GRADE

SLOPE

UNDERLAY WITH CLASS 1

NON-WOVEN

GEO-TECHNICAL FABRIC

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

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VERIFY SCALE

SCALE AS SHOWN

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FABRICATION NOTES:

1. THE PLANS FOR PRECAST UNITS SHALL BE DRAWINGS AND CALCULATION SHEETS

FURNISHED BY THE CONTRACTOR FOR APPROVAL BY THE ENGINEER. THESE DRAWINGS

AND CALCULATIONS SHALL SHOW COMPLETE DESIGN, INSTALLATION, STRUCTURAL

LOADING, FOUNDATION, AND CONSTRUCTION INFORMATION IN SUCH DETAIL AS TO

ENABLE THE ENGINEER TO DETERMINE THE ADEQUACY OF THE PROPOSED UNITS FOR

THE INTENDED PURPOSE. DETAILS OF THE STEEL REINFORCEMENT SIZE AND PLACEMENT

SHALL BE INCLUDED. THE DRAWINGS SHALL ALSO INCLUDE A SCHEDULE WHICH WILL LIST

THE SIZE AND TYPE OF PRECAST UNIT AT EACH LOCATION WHERE THE UNITS ARE TO BE

USED. DRAWINGS SHALL BE CERTIFIED BY A NORTH CAROLINA REGISTERED

PROFESSIONAL ENGINEER. THESE DRAWINGS SHALL BE SUBMITTED TO THE ENGINEER

SIX (6) WEEKS PRIOR TO THE PRECAST UNITS BEING INSTALLED FOR APPROVAL. THE

PRECAST UNITS SHALL BE PRODUCED IN ACCORDANCE WITH THE APPROVED DRAWINGS.

2. IT IS THE CONTRACTORS RESPONSIBILITY TO FIELD FIT AND VERIFY ALL COMPONENTS TO

INSURE PROPER FIT AND SIZE. ANY COMPONENT THAT DOES NOT CONFORM TO THE SHOP

DRAWINGS OR THAT DOES NOT FIT PROPERLY WILL NEED TO BE RE-MANUFACTURED AT

THE CONTRACTORS OWN EXPENSE.

3. TOLERANCE SHALL BE ± 1/4" FROM APPROVED SHOP DRAWINGS.

4. THE FABRICATION ENGINEER IS TO CERTIFY THAT UNITS ARE BUILT IN ACCORDANCE WITH

SHOP DRAWINGS. FABRICATION ENGINEER, REGISTERED PROFESSIONAL ENGINEER IN

THE STATE OF NORTH CAROLINA, SHALL SEND A SEALED CERTIFICATION LETTER TO NRCS

UPON PRODUCT DELIVERY ONSITE THAT PRECAST UNITS MEET OR EXCEED THE

APPROVED SHOP DRAWINGS.

*ASSUMES A 0.5 FT THICK PRECAST BASE, SHOULD FABRICATION ENGINEER DESIGN A DIFFERENT THICKNESS ELEVATIONS WOULD NEED TO BE ADJUSTED.

CN - 101

BULL HILL

CONTRACTOR SHALL

GRADE OUTLET TO DRAIN

RIP-RAP SLOPE PROTECTION

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ISSUED FOR BID / CONSTRUCTION

PONDING HEIGHT

FLOW

24" MIN.

STEEL

TRENCH DETAIL

FILTER FABRIC SHALL BE IN ACCORDANCE

WITH CONSTRUCTION SPECIFICATIONS

STEEL POST

5 FT. POST LENGTH (MIN.), 1.25 LBS./FT. WEIGHT

(MIN.) 1-3/8 INCHES WIDE (MIN.), 14 SQUARE

INCHES ANCHOR PLATE SURFACE AREA (MIN.)

MAX. SEDIMENT LEVEL 0.25 FT.

36" MIN.

ATTACH FABRIC TO POSTS IN

ACCORDANCE WITH CONSTRUCTION

SPECIFICATIONS

NOTE:

1. SILT FENCE SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZE PONDING EFFICIENCY.

2. INSPECT AND REPAIR FENCE AFTER EACH STORM EVENT AND REMOVE SEDIMENT WHEN

NECESSARY. 0.5 FT. MAXIMUM RECOMMENDED STORAGE HEIGHT.

3. REMOVED SEDIMENT SHALL BE DEPOSITED IN SPOIL AREA AS SHOWN ON CONSTRUCTION

DRAWINGS.

4"X8" TRENCH WITH

COMPACTED BACKFILL

8' MAXIMUM SPACING WITH WIRE

SUPPORT FENCE; 6' MAXIMUM SPACING

WITHOUT WIRE SUPPORT FENCE

ATTACH FILTER FABRIC

SECURELY TO UPSTREAM

SIDE OF POST

" H.G.

BALLAST CHAIN

FOR WEIGHT

FLOTATION

CHAIN TENSIONED THROUGH

S.S. STRESS PLATES, VIA

HOOK AND RING CONNECTION

ANCHOR POINTS

CURTAIN MEMBRANE

ANCHOR POINTS

" GAL

CABLE

CHANNEL BOTTOM

FLOW DIRECTION

CHANNEL BANK

TURBIDITY CURTAIN

EXTENDS TO BOTTOM

OF CHANNEL

ANCHOR POINTS

SECTION VIEW

PLAN VIEW

NOTE: INSTALL AND MAINTAIN TURBIDITY CURTAIN IN ACCORDANCE WITH MANUFACTURE'S

SPECIFICATIONS. CONTRACTOR SHALL SUBMIT TO ENGINEER THE PRODUCT CUT SHEET,

INSTALLATION SPECIFICATIONS, AS WELL AS A MAINTENANCE PLAN/SCHEDULE FOR REVIEW

AND CONCURRENCE. ANCHORING STRUCTURES SHALL BE CONSTRUCTED AND/OR

INSTALLED PER MANUFACTURE'S RECOMMENDATIONS FOR PROPER LATERAL FORCE

REQUIREMENTS.

CONTRACTOR TO INSURE

SMOOTH TRANSITION AND

POSITIVE DRAINAGE TO

EXISTING GRADE (TYP.)

MIN. 10.0' BERM

V A

R I E

2.0'

SEE PROFILE FOR

DIKE, CORE AND LLDPE

ELEVATIONS

LIMITS OF DISTURBANCE = 150.0'

NATURAL GROUND

LLDPE

CURTAIN

MATERIAL

12.0'

TYPICAL DIKE CROSS-SECTION

NTS

MIN. 10.0' BERM

A X

VARIES

DEBRIS AND SPOIL AREA

40' OFFSET TO DEBRIS AREA

CONTRACTOR SHALL ADD

ADDITIONAL 3" (0.25') OF

TOPSOIL FOR CAPPING

ELEV: 4.50

SUITABLE

MATERIAL

DESIGN ELEV.

PER PROFILE

A P

P I N

CAPPING ELEV.

MIN. 20.0' BERM

1 1

VARIES

MIN. 20.0' BERM

A X

DESIGNED BORROW AREA

VARIES

LIMITS OF DISTURBANCE PER PLANS AND SPECIFICATIONS

V A

R I E

DEBRIS AND SPOIL AREA

TYPICAL BORROW AREA CROSS-SECTION

A X

VARIES

DEBRIS AND SPOIL AREA

(NTS.)

MAX. DEPTH 4.0 FEET AFTER

CLOSING THE BORROW AREA

1. Prepare soil before installing rolled erosion control products (RECPs), including any necessary application of lime, fertilizer, and seed.

2. Begin at the top of the slope by anchoring the

RECPs in a 6"(15cm) deep X 6"(15cm) wide trench with approximately 12" (30cm) of RECPs extended beyond the up-slope portion of the trench. Anchor the RECPs with a row of staples/stakes approximately 12" (30cm) apart in the bottom of the trench. Backfill and compact the trench after stapling. Apply seed to the compacted soil and fold the remaining 12"(30cm) portion of RECPs back over the seed and compacted soil. Secure RECPs over compacted soil with a row of staples/stakes spaced approximately 12"(30cm) apart across the width of the RECPs.

3. Roll the RECPs (A) down or (B) horizontally across the slope. RECPs will unroll with appropriate side against the soil surface. All RECPs must be securely fastened to soil surface by placing staples/stakes in appropriate locations as shown in the staple pattern guide.

4. The edges of parallel RECPs must be stapled with approximately 2" - 5" (5-12.5cm) overlap depending on the RECPs type.

5. Consecutive RECPs spliced down the slope must be end over end (Shingle style) with an approximate 3"(7.5cm) overlap. Staple through overlapped area, approximately 12"(30cm) apart across entire RECPs width.

2"-5" (5-12.5cm)

12"(30cm)

6" (15cm)

*NOTE:

In loose soil conditions, the use of staple or stake lengths greater than

6"(15cm) may be necessary to properly secure the RECP's.

3"(7.5cm)

LLDPE CURTAIN TYPICAL INSTALLATION

(NTS.)

TYPICAL KEY

2.0' OF CURTAIN, 3.0' WIDE TRENCH.

PROPOSED GRADE

LLDPE CURTAIN

EXISTING GRADE

BOTTOM CURTAIN @ 4.5 FT.

TOP CURTAIN @ 2.0 FT.

TYPICAL CROSS-SECTION FOR

SPLICING LLDPE CURTAIN

(NTS.)

SIX INCH (6") WIDE

TWO FACE TAPE (TYP.)

TWO (2) FOOT OVERLAP

L L D

P E

L L D

P E

L L D

P E

L L D

P E

END OF SHEET

6" TWO FACE TAPE

END OF SHEET

6" TWO FACE TAPE

BAR IS ONE INCH ON

ORIGINAL DRAWING

0 1"

DATE:

PROJ:

DWG:

VERIFY SCALE

SCALE AS SHOWN

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NTS

SILT FENCE

TURBIDITY CURTAIN DETAILS

NTS

CN - 101

BULL HILLTURF REINFORCMENT MATTING DETAIL

NTS

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File details come from the government source that posted it. Updated Nov 14, 2017.