Unlocked - Plans and Specifications - W912PM23B0008 - WKS Erosion Control - RTA.pdf

PRINCE

EDWARD

PROJECT LOCATION

PHILPOTT

LAKE

FALLS

LAKE

HALIFAX

ONSLOW

DUPLIN

JONES

PENDER

PAMLICO

HA

NO

VE

R

NE

W

BRUNSWICK

COLUMBUS

BLADEN

ROBESON

HOKE

CUMBERLAND

SAMPSON

WAYNE

LENOIR

GREENE

PITT

CRAVEN

BEAUFORT HYDE

TYRREL

WASHINGTON

DARE

BERTIE C

H

O W

AN

PERQUIMANS

PASQUOTANK

CAMDEN

CURRITUCK

GATES

HERTFORD

NORTHAMPTON

HALIFAX

NASH

WILSON

JOHNSTON

WAKE

FRANKLIN

VANCE

G R

AN

VI

LL

E

WARREN

GREENSVILLE

BRUNSWICKMECKLENBURG

LUNENBURG

CARTERET

FRANKLIN

HENRYPATRICK

FLOYD

CARROLL

PITTSYLVANIA

MONTG

OMERY ROANOKE

BOTETOURT

BEDFORD

CAMPELL

APPOMATTOX

CHARLOTTE

STOKES ROCKINGHAM CASWELL PERSON

ORANGE

AL

AM

AN

C

E

DURHAM

CHATHAM

MOORE

MONTGOMERY

RANDOLPH

DAVIDSON

FORSYTH

SURRY

ALLEGHANY

ASHE

WATAUGA WILKES

CALDWELL

AVERY

MITCHELL

YANCY

BURKE

CATAWBA

ALEXANDER

IREDELL

LINCOLN

GASTON

M

EC

KL

EN

BU

R

G

CABARRUS

STANLY

UNION

ANSON

RICHMOND

RUTHERFORD

McDOWELL

MADISON

BUNCOMBE

HENDERSON

TRANSYLVANIA

HAYWOOD

JACKSON

SWAIN

GRAHAM

CHEROKEE

CLAY

MACON

YADKIN

ROWAN

CLEVELANDPOLK

Georgia

Tennessee

South Carolina

FEAR

C

APE

RIVER

N E

U S

E

RIVER

R O

A N

O K

E

RIVER

Virginia North Carolina

PAMLIC

O S

OUND

ATLA

N

TIC

O

C

EAN

SMITH MOUNTAIN

LAKE

WM. O. HUSKE

LOCK & DAM

SC

OTL

AN

D

EDGECOMBE

MARTIN

DAVIE

GUILFORD

Cape Hatteras

Cape Lookout

Cape Fear

HARNETT

LEE

605040302010020

SCALE IN MILES

W. KERR

SCOTT DAM

& RESERVOIR

JOHN H. KERR DAM & RESERVOIR

B. EVERETT

JORDAN DAM

& LAKE

LOCK & DAM

NO. 2

LOCK & DAM

NO. 1

Raleigh

PLAN

NORTH

© 2023 Microsoft Corporation © 2023 Maxar ©CNES (2023) Distribution Airbus DS

RESERVOIR RD.

NC HIGHWAY 268

RANGER RD.

OLD NC HIGHTWAY 268

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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SHEET ID

SOLICITATION NO.:

CONTRACT NO.:

ISSUE DATE:

WILIMINGTON DISTRICT

W. KERR SCOTT DAM & RESERVOIR

EROSION CONTROL PROJECT

WILKESBORO, NORTH CAROLINA

W912PM23B0008

TBD

MARCH 2024

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G001

US Army Corps of Engineers

U .S

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US Army Corps of Engineers ®

Approval Recommended: *

Approved: *

DATE

DATE

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

CHIEF, ENGINEERING BRANCH

* THIS PROJECT WAS DESIGNED BY THE U.S. ARMY CORPS OF ENGINEERS,

WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION

DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE

SCOPE OF THEIR EMPLOYMENT. SIGNATURES ARE REQUIRED BY ER 1110-1-8152.

CHIEF, DESIGN and GENERAL ENGINEERING SECTION

AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON SHEET G001.

PROJECT LOCATION

VICINITY MAP

N.T.S

SPILLWAY REVETMENT

SOUTH ABUTMENT RIP RAP

SLOPE STABILIZATION

PLAN

NORTH

SHEET LIST

Sheet Number Sheet Title

G001 COVER SHEET

V101 EXISTING CONDITIONS

B101 GEOTECHNICAL HAND AUGER LOCATION MAP

CD101 DEMOLITION SHEET - CLEARING & GRUBBING LIMITS

CG101 PROPOSED SPILLWAY REVETMENT

CG102 SOUTH ABUTMENT PROPOSED RIP RAP GRADING & STABILIZATION

CG103 SOUTH ABUTMENT RIP RAP REVETMENT OPTION

CG104 EROSION & SEDIMENT CONTROL PLAN SPILLWAY

CG105 EROSION & SEDIMENT CONTROL PLAN SOUTH ABUTMENT

CG301 SOUTH ABUTMENT RIP RAP CROSS SECTIONS STA. 0+00 TO STA. 2+25

CG302 SOUTH ABUTMENT RIP RAP CROSS SECTIONS STA. 2+50 TO STA. 3+25

CG303 SOUTH ABUTMENT RIP RAP CROSS SECTIONS STA. 3+50 TO 5+50

CG501 SPILLWAY & SOUTH ABUTMENT CONSTRUCTION DETAILS

CG502 EROSION & SEDIMENT CONTROL DETAILS AND NOTES

CG503 EROSION & SEDIMENT CONTROL DETAILS

CG504 EROSION & SEDIMENT CONTROL DETAILS (CONTINUED)

CG505 EROSION & SEDIMENT CONTROL DETAILS (CONTINUED)

RTA SET

Approval Recommended: *

Approved: *

DATE

DATE

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

CHIEF, ENGINEERING BRANCH

* THIS PROJECT WAS DESIGNED BY THE U.S. ARMY CORPS OF ENGINEERS,

WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION

DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE

SCOPE OF THEIR EMPLOYMENT. SIGNATURES ARE REQUIRED BY ER 1110-1-8152.

CHIEF, DESIGN and GENERAL ENGINEERING SECTION

AND APPROVAL OF ALL DRAWINGS IN THIS SET AS INDEXED ON SHEET G001.

HARRIS.PATRICK.KEVIN.1410079573

Date: 2024.03.27 14:23:53-04'00'

Digitally signed by

MURPHY.TAMARA.C.1386322240

Date: 2024.03.27 15:10:33-04'00'

3/26/24

3/26/24

GENERAL SHEET NOTES:

1. Dates of Survey:

Ground Survey: 17-18 April Hydrographic Survey: 18-19 April UAS Survey: 19 April

2. Methods of Survey:

The ground survey was conducted along the bank of the emergency spillway, from the waterline to 50 ft upland, and along the right abutment, from the dam to the first upstream cove and from the parking lot to the waterline. Additionally, the centerline and two tops of the dam were collected.

The hydrographic survey was conducted from the toe of the dam to the first cove on each side of the dam.

The UAS survey was conducted in two flights. One flight was along the dam and the other was along the emergency spillway.

3. Surface construction:

The surface was created by combining data from all three survey methodologies, placing an emphasis on data collected during the ground survey.

The hydrographic data was converted to a 25 ft grid prior to integration.

The density of the point cloud produced by the UAS survey was reduced using the thinning process available in Global Mapper. It was then further reduced by removing the points associated with buildings, guardrails, lampposts, and other features to create a bare earth surface.

4. The Global Navigation Satellite System (GNSS) was used to perform a portion of this survey and the following information was used:

(1)Class of Survey: Class A (6) Pub/Fixed Control Used: VRS (2)Positional Accuracy: 0.04' (7) Geoid Model: 2018 (3)Dates of Survey: 04/17/2023 - 04/19/2023 (8) Combined Grid Factor: 1.0000545 (4)GPS Field Procedure: RTK (9)Units: US Survey Feet (5)Datum/Epoch: NAD83(2011)

5. There is a boat ramp located below the visitor center. The next closest boat ramp is located at the Skyline Marina, but Contractor will need to contact the owner for access. Any agreement between Contractor and the Marina will be at no additional expense to the Government.

1058.52

ECM

1106.81

ECM

1090.44

ECM

1107.09

ECM

1107.18

ECM

95 10

W. KERR SCOTT RESERVOIR

NORMAL WATER SURFACE

ELEVATION: 1030'

W. KERR SCOTT RESERVOIR

NORMAL WATER SURFACE

ELEVATION: 1030'

SIGN

NATURE

TRAIL

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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U .S

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LEGEND

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

NOTHING FOUND OR SET

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

TIE LINE

PROPERTY LINE (NOT SURVEYED)

(R)

PROPERTY LINE (SURVEYED)

EDGE OF ROAD

SCALE: 1"=150'

EXISTING MAJOR CONTOUR

EDGE OF WATER

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

Feet 0 150 300

WKS-23

-H

A-04

WKS-23

-H

A-05

WKS-23

-H

A-06

WKS-23

-G

S-03

WKS-23

-H

A-01

WKS-23

-H

A-02

HAND AUGER LOCATION

POINT NO.

ELEVATION

1031.00

1050.00

1044.00

1033.00

1034.00

1035.00

NORTHING

874,485.00

874,459.00

874,465.00

875,406.00

875,458.00

875,572.00

EASTING

1,342,320.00

1,342,379.00

1,342,365.00

1,341,694.00

1,341,799.00

1,341,937.00

DESCRIPTIONS

WKS-23-GS-03

WKS-23-HA-01

WKS-23-HA-02

WKS-23-HA-04

WKS-23-HA-05

WKS-23-HA-06

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GENERAL SHEET NOTES

1. HAND AUGER LOCATIONS ARE APPROXIMATE AS THEY

WERE LOCATED BY HANDHELD GPS.

2. DURING HAND AUGER OPERATIONS IT WAS NOTED THAT

ROCK WAS ENCOUNTERED WITHIN 1FT OF THE EXISTING

SURFACE IN SOME LOCATIONS. PLEASE REFER TO THE

ATTACHMENTS IN SPECIFICATION 00 01 15 FOR BORE

LOG DATA AND LAB RESULTS FOR ADDITIONAL

INFORMATION.

Feet 0 50 100

1090.44

ECM

1000 10

95 10

N: 874,566.92 E: 1,342,392.57

N: 874,545.96 E: 1,342,423.11

N: 874,499.83 E: 1,342,409.15

N: 874,480.49 E: 1,342,396.99

N: 874,462.72 E: 1,342,393.43

N: 874,437.10 E: 1,342,403.86

N: 874,377.32 E: 1,342,433.49

N: 874,355.63 E: 1,342,438.38

N: 874,276.26 E: 1,342,368.48

N: 874,232.05 E: 1,342,332.89

N: 874,198.12 E: 1,342,328.29

N: 874,158.28 E: 1,342,316.60

N: 874,100.35 E: 1,342,249.36

N: 874,099.77 E: 1,342,280.48

N: 874,325.25 E: 1,342,428.89

PROPOSED DESIGN

GRADING LIMIT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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GENERAL SHEET NOTES:

1. CLEARING AND GRUBBING IS LIMITED TO THE ENVIRONMENTAL WINDOW OF 16 OCTOBER THRU

31 MARCH. SEE 01 57 19 - TEMPORARY ENVIRONMENTAL CONTROLS FOR MORE INFORMATION

REGARDING THE WINDOW.

2. CLEARING AND GRUBBING SHALL BE IN ACCORDANCE WITH SECTION 31 11 00 - CLEARING AND

GRUBBING OF THE SPECIFICATIONS.

LEGEND

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

NOTHING FOUND OR SET

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

TIE LINE

PROPERTY LINE (NOT SURVEYED)

(R)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

NORTH ARROW

SCALE: 1" = 50'

Feet 0 50 100

CLEARING & GRUBBINING HATCH PATTERN

TROUT BUFFER HATCH PATTERN

PROPOSED DESIGN GRADING LIMIT

CG501A1A

0+00

1+00

2+00

3+00

4+00

5+

6+00

7+

8+00

9+

+0

10+45.82

CG501

A1B

PROPOSED TURBIDITY CURTAIN

N: 875,540.47 E: 1,341,516.84

N: 875,487.45 E: 1,341,557.34

N: 875,460.34 E: 1,341,568.41

N: 875,431.66 E: 1,341,575.95

N: 875,381.32 E: 1,341,580.84

N: 875,344.99 E: 1,341,579.36

N: 875,325.07 E: 1,341,582.12

N: 875,325.43 E: 1,341,598.34

N: 875,335.21 E: 1,341,598.08

N: 875,366.59 E: 1,341,632.66

N: 875,397.16 E: 1,341,685.99

N: 875,404.70 E: 1,341,702.75

N: 875,753.27 E: 1,342,141.72

N: 875,739.63 E: 1,342,116.00

N: 875,736.49 E: 1,342,113.14

N: 875,705.08 E: 1,342,098.28

N: 875,676.80 E: 1,342,088.66

N: 875,659.75 E: 1,342,074.41

N: 875,651.51 E: 1,342,048.83

N: 875,633.01 E: 1,342,029.11

N: 875,631.44 E: 1,342,019.31

N: 875,626.84 E: 1,342,011.59

N: 875,621.45 E: 1,342,008.13

N: 875,621.10 E: 1,342,002.12

N: 875,403.16 E: 1,341,740.40

N: 875,411.19 E: 1,341,761.38

N: 875,423.79 E: 1,341,762.14

N: 875,446.88 E: 1,341,794.33

N: 875,525.30 E: 1,341,870.81

N: 875,548.68 E: 1,341,924.37

N: 875,588.68 E: 1,341,961.01

N: 875,603.12 E: 1,341,965.83

N: 875,613.85 E: 1,341,990.99

W. KERR SCOTT RESERVOIR

NORMAL WATER SURFACE ELEVATION: 1030'

CENTERLINE OFFSET

LW

L

LW

L

LW

L

LW

L

LWL

LWL

LWL

LWL

LWL

LWL

LWL

LWL

CONSTRUCTION LIMITS

SF

SF

SF SF SF

SF

SF

SF

SF

SF

SF

SF

SF

BASELINE POINT TABLE

No.

NORTHING

875,532

875,517

875,517

875,519

875,519

875,518

875,509

875,500

875,484

875,473

875,461

875,438

875,428

875,424

875,410

875,399

875,384

875,369

875,357

875,344

EASTING

1,341,509

1,341,515

1,341,520

1,341,521

1,341,521

1,341,522

1,341,533

1,341,538

1,341,548

1,341,551

1,341,559

1,341,563

1,341,564

1,341,562

1,341,566

1,341,566

1,341,572

1,341,568

1,341,567

1,341,569

BASELINE POINT TABLE

No.

NORTHING

875,338

875,332

875,329

875,324

875,319

875,318

875,318

875,316

875,311

875,311

875,313

875,313

875,317

875,319

875,319

875,324

875,333

875,336

875,345

875,350

EASTING

1,341,574

1,341,574

1,341,574

1,341,572

1,341,572

1,341,572

1,341,570

1,341,571

1,341,576

1,341,577

1,341,583

1,341,590

1,341,605

1,341,607

1,341,607

1,341,610

1,341,606

1,341,607

1,341,614

1,341,620

BASELINE POINT TABLE

No.

NORTHING

875,353

875,355

875,357

875,358

875,358

875,366

875,367

875,367

875,371

875,372

875,387

875,388

875,396

875,394

875,397

875,397

875,393

875,392

875,393

875,397

EASTING

1,341,626

1,341,632

1,341,634

1,341,638

1,341,642

1,341,651

1,341,653

1,341,655

1,341,668

1,341,669

1,341,691

1,341,691

1,341,696

1,341,703

1,341,707

1,341,722

1,341,740

1,341,741

1,341,750

1,341,754

BASELINE POINT TABLE

No.

NORTHING

875,405

875,405

875,407

875,414

875,420

875,423

875,436

875,444

875,445

875,447

875,457

875,458

875,463

875,475

875,477

875,478

875,481

875,481

875,478

875,485

EASTING

1,341,767

1,341,767

1,341,773

1,341,768

1,341,772

1,341,774

1,341,798

1,341,805

1,341,806

1,341,811

1,341,819

1,341,824

1,341,824

1,341,837

1,341,836

1,341,837

1,341,842

1,341,842

1,341,849

1,341,849

BASELINE POINT TABLE

No.

NORTHING

875,494

875,507

875,510

875,518

875,519

875,519

875,520

875,532

875,533

875,535

875,542

875,549

875,550

875,562

875,564

875,581

875,598

875,601

875,606

875,614

EASTING

1,341,857

1,341,873

1,341,875

1,341,877

1,341,882

1,341,895

1,341,902

1,341,913

1,341,921

1,341,924

1,341,930

1,341,938

1,341,948

1,341,958

1,341,966

1,341,967

1,341,970

1,341,975

1,341,995

1,342,004

BASELINE POINT TABLE

No.

NORTHING

875,615

875,614

875,612

875,612

875,621

875,622

875,626

875,631

875,632

875,633

875,644

875,649

875,650

875,650

875,651

875,670

875,693

875,693

875,708

875,715

EASTING

1,342,005

1,342,008

1,342,009

1,342,014

1,342,020

1,342,028

1,342,038

1,342,041

1,342,041

1,342,042

1,342,055

1,342,074

1,342,077

1,342,078

1,342,081

1,342,097

1,342,104

1,342,104

1,342,113

1,342,115

BASELINE POINT TABLE

No.

NORTHING

875,725

875,732

875,734

875,735

875,749

875,750

EASTING

1,342,115

1,342,120

1,342,123

1,342,125

1,342,145

1,342,145

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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D

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E:

SI

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AR

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SHEET ID

SF

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5-

C G

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IL

LW

AY

_R

IP

R

AP

.D W

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CG101

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

IM

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

W

IL

M

IN

G

TO

N , N

O R

TH

C

AR

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N

A

TB

D

M

AR

C H

D R

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IN

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FI

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AM

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D Y

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TA

GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE

MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL

QUALITY (NCDEQ) EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. SEE

SHEETS CG103 & CG104 FOR EROSION AND SEDIMENT CONTROL PLAN.

4. GOVERNMENT HAS OBTAINED NECESSARY PERMITS NEEDED TO PERFORM THE WORK, BUT

THE CONTRACTOR SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT

CLOSE OUT.

5. SEE CG103 FOR VISUAL REPRESENTATION & CG501 - DETAIL A1A & A1B FOR RIP RAP

REVETMENT TYPICAL SECTION.

6. CONTRACTOR SHALL FIELD VERIFY ELEVATIONS AND LOCATIONS PRIOR TO EARTH MOVING

ACTIVITIES.

7. CONSTRUCTION BASELINE IS BASED ON THE EDGE OF WATER OF THE SURVEY DATES 17-18

APRIL 2023, 18-19 APRIL 2023, & 19 APRIL 2023.

LEGEND

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

NOTHING FOUND OR SET

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

TIE LINE

PROPERTY LINE

(R)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

NORTH ARROW

SCALE: 1" = 50'

Feet 0 50 100

TROUT BUFFER (25FT)

TURBIDITY CURTAIN

CONSTRUCTION LIMITS

LWL LWL

SILT FENCE

SF SF

5+

.3

0+

1+

2+

3+

4+

5+00

5 10

00 10 05 10

50 10

55 1060

1065 10

90 10

PROPOSED TURBIDITY CURTAIN

W. KERR SCOTT RESERVOIR

NORMAL WATER SURFACE ELEVATION: 1030' A2

CG50

N: 874,587.20 E: 1,342,377.37 N: 874,589.65

E: 1,342,399.55 N: 874,584.15 E: 1,342,408.36

N: 874,564.81 E: 1,342,412.03

N: 874,547.52 E: 1,342,395.06

N: 874,506.02 E: 1,342,389.76

N: 874,497.22 E: 1,342,374.67

BA

SE

C

LI

N

O

PT

IO

N

AL

C

LI

N

SF

SF

BASELINE OFFSET

LW

L

LW

L

LWL

N: 874,488.70 E: 1,342,349.31

CONSTRUCTION LIMITS

LW

L

LW

L

LW

L

LW

L

LWL

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LWL

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LWL

CL

6.00'

3.00'

FLOW@ MIN. 2.00%

SURFACE COURSE

TRAILBED

BASE CLIN BASELINE

POINT TABLE

No.

NORTHING

874,587.20

874,585.28

874,581.42

874,573.10

874,550.03

874,533.94

874,527.20

874,514.86

874,489.11

874,488.13

874,487.19

874,475.53

EASTING

1,342,377.37

1,342,375.14

1,342,372.77

1,342,369.55

1,342,362.40

1,342,344.70

1,342,332.23

1,342,326.16

1,342,325.56

1,342,325.70

1,342,326.05

1,342,334.14

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

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J

K

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M

N

P

SU

BM

IT

TE

D B

Y:

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

D

ES

IG

N

ED

B

Y:

C O

N

TR

AC

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N O

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AT

IO

N N

O

IS

SU

E D

AT

E:

SI

ZE

M

AR

K

D

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C R

IP

TI

O N

D

AT

E

SHEET ID

SF

-0

5-

C G

2_

SO

U

TH

_A

BU

TM

EN

T.

D W

G

B.

M

AL

O

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EY

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K

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H T

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U R

PH

Y

PL

AN

V

IE

W

BA

SE

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ID

PR

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AP

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AD

IN

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BI

LI

ZA

TI

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A

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EN

T

CG102

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

IM

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

W

IL

M

IN

G

TO

N , N

O R

TH

C

AR

O

LI

N

A

TB

D

M

AR

C H

D R

AW

IN

G C

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E

FI

LE

N

AM

E

AN

SI

D

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2P M

B0

W . K

ER

R

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D

AM

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VO

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ER

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SI

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TR

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C T

W

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KE

SB

O R

O , N

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AR

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N

A

R

EA

D Y

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A

D

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SE

R

TA

GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY (NCDEQ) EROSION AND

SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT THE CONTRACTOR

SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT CLOSE OUT.

5. SEE SHEET CG104 FOR EROSION & SEDIMENT CONTROL PLAN AS WELL AS A VISUAL REPRESENTATION, CG301 &

CG302 FOR CROSS SECTIONS, AND CG501 FOR DETAILS.

6. EXISTING WALKING TRAIL LOCATION IS BASED ON GIS SHAPEFILE. CONTRACTOR SHALL FIELD VERIFY TRAIL LOCATION PRIOR TO ANY GRADING OR EXCAVATION WORK. IF THE WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING CONTRACTOR SHALL NOTIFY CONTRACTING OFFICER AND HIS/HER REPRESENTATIVE.

7. IF WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING AREA OR IS ALTERED DUE TO CONSTRUCTION CONTRACTOR SHALL REPLACE THE WALKING TRAIL TO THE SAME OR BETTER CONDITION. SEE DETAIL ON THIS

PAGE FOR FURTHER INFORMATION.

8. NO CONSTRUCTION WORK OR EQUIPMENT IS TO OCCUR ON THE FACE OF THE DAM. THE DEMARCATION FOR

THIS NO WORK ZONE WILL BE DENOTED BY THE GROIN OF THE DAM.

Feet 0 50 100

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

(R)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

LEGEND

NOTHING FOUND OR SET

TIE LINE

PROPERTY LINE

NORTH ARROW

SCALE: 1"=50'

EXISTING MINOR CONTOUR

EXISTING NATURE TRAIL

TYPICAL WALKING TRAIL DETAIL

N.T.S

SF SF

PROPOSED SILT FENCE

CONSTRUCTION LIMIT

LWL LWL LWL

5+

.3

0+

1+

2+

3+

4+

5+00

5 10

00 10 05 10

50 10

55 1060

1065 10

90 10

PROPOSED TURBIDITY CURTAIN

W. KERR SCOTT RESERVOIR

NORMAL WATER SURFACE ELEVATION: 1030'

A2 C

G

N: 874,587.20 E: 1,342,377.37 N: 874,589.65

E: 1,342,399.55 N: 874,584.15 E: 1,342,408.36

N: 874,564.81 E: 1,342,412.03

N: 874,547.52 E: 1,342,395.06

N: 874,506.02 E: 1,342,389.76

N: 874,497.28 E: 1,342,374.66

N: 874,489.10 E: 1,342,378.48

N: 874,475.29 E: 1,342,370.32

N: 874,474.78 E: 1,342,365.37

N: 874,453.98 E: 1,342,368.47 N: 874,437.16 E: 1,342,367.08

N: 874,422.39 E: 1,342,389.72

N: 874,369.01 E: 1,342,411.42

N: 874,334.76 E: 1,342,410.17

N: 874,314.94 E: 1,342,381.11

N: 874,303.65 E: 1,342,365.74

N: 874,292.42 E: 1,342,341.59

N: 874,273.71 E: 1,342,328.03

N: 874,246.38 E: 1,342,294.33 N: 874,237.15 E: 1,342,286.20

N: 874,211.39 E: 1,342,286.85

N: 874,191.63 E: 1,342,305.55

N: 874,172.74 E: 1,342,292.02 N: 874,168.41 E: 1,342,293.17

N: 874,159.23 E: 1,342,287.49N: 874,127.72

E: 1,342,265.28 N: 874,120.05 E: 1,342,265.29

N: 874,359.67 E: 1,342,409.64

BA

SE

C

LI

N

O

PT

IO

N

AL

C

LI

N

SF

SF

BASELINE OFFSET

LW

L

LW

L

LW

L

LW

L

LWL

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LWL

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LW

L

LWL

CL

6.00'

3.00'

FLOW@ MIN. 2.00%

SURFACE COURSE

TRAILBED

BASE CLIN

BASELINE POINT TABLE

No.

NORTHING

874,587.20

874,585.28

874,581.42

874,573.10

874,550.03

874,533.94

874,527.20

874,514.86

874,489.11

874,488.13

874,487.19

874,475.53

EASTING

1,342,377.37

1,342,375.14

1,342,372.77

1,342,369.55

1,342,362.40

1,342,344.70

1,342,332.23

1,342,326.16

1,342,325.56

1,342,325.70

1,342,326.05

1,342,334.14

OPTIONAL CLIN

BASELINE POINT TABLE

No.

NORTHING

874,445.81

874,431.33

874,430.84

874,418.99

874,415.16

874,400.27

874,390.92

874,387.74

874,375.51

874,368.15

874,359.97

874,359.98

874,353.62

874,349.22

874,345.73

874,333.86

874,326.88

874,325.88

874,317.75

874,305.95

EASTING

1,342,330.21

1,342,331.15

1,342,331.10

1,342,328.68

1,342,325.54

1,342,321.84

1,342,318.16

1,342,317.50

1,342,304.98

1,342,301.66

1,342,294.72

1,342,293.10

1,342,289.64

1,342,283.43

1,342,272.00

1,342,267.24

1,342,266.94

1,342,267.02

1,342,269.50

1,342,262.25

OPTIONAL CLIN

BASELINE POINT TABLE

No.

NORTHING

874,294.09

874,290.36

874,257.07

874,249.26

874,240.63

874,233.78

874,226.51

874,219.96

874,205.43

874,212.63

874,191.29

874,189.79

874,185.16

874,163.41

874,151.11

874,146.55

874,131.00

EASTING

1,342,263.70

1,342,263.58

1,342,252.09

1,342,251.97

1,342,249.31

1,342,250.39

1,342,248.67

1,342,243.04

1,342,241.67

1,342,239.74

1,342,235.87

1,342,235.99

1,342,225.23

1,342,231.50

1,342,232.55

1,342,233.47

1,342,233.90

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

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M

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P

SU

BM

IT

TE

D B

Y:

C H

EC

KE

D B

Y:

D R

AW

N

B Y:

D

ES

IG

N

ED

B

Y:

C O

N

TR

AC

T

N O

SO

LI

C

IT

AT

IO

N N

O

IS

SU

E D

AT

E:

SI

ZE

M

AR

K

D

ES

C R

IP

TI

O N

D

AT

E

SHEET ID

SF

-0

5-

C G

3_

O

PT

S O

U

TH

A

BU

TM

EN

T.

D

W G

B.

M

AL

O

N

EY

T.

K

N

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H T

T.

K

N

IG

H T

T.

M

U R

PH

Y

R

IP

R

AP

R

EV

ET

M

EN

T

- O

PT

IO

N

SO

U

TH

A

BU

TM

EN

T

CG103

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

W

IL

IM

IN

G

TO

N D

IS

TR

IC

T

D

AR

LI

N G

TO

N

A

VE

W

IL

M

IN

G

TO

N , N

O R

TH

C

AR

O

LI

N

A

TB

D

M

AR

C H

D R

AW

IN

G C

O D

E

FI

LE

N

AM

E

AN

SI

D

W

2P M

B0

W . K

ER

R

S C

O

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D

AM

R

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ER

VO

IR

ER

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SI

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TR

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PR

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C T

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SB

O R

O , N

O R

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C

AR

O

LI

N

A

R

EA

D Y

TO

A

D

VE

R

TI

SE

R

TA

Feet 0 50 100

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

(R)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

LEGEND

NOTHING FOUND OR SET

TIE LINE

PROPERTY LINE

NORTH ARROW

SCALE: 1"=50'

EXISTING MINOR CONTOUR

EXISTING NATURE TRAIL

SF SF

PROPOSED SILT FENCE

CONSTRUCTION LIMIT

LWL LWL LWL

GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY (NCDEQ) EROSION AND

SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT THE CONTRACTOR

SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT CLOSE OUT.

5. SEE SHEET CG104 FOR EROSION & SEDIMENT CONTROL PLAN AS WELL AS A VISUAL REPRESENTATION, CG301 &

CG302 FOR CROSS SECTIONS, AND CG501 FOR DETAILS.

6. EXISTING WALKING TRAIL LOCATION IS BASED ON GIS SHAPEFILE. CONTRACTOR SHALL FIELD VERIFY TRAIL LOCATION PRIOR TO ANY GRADING OR EXCAVATION WORK. IF THE WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING CONTRACTOR SHALL NOTIFY CONTRACTING OFFICER AND HIS/HER REPRESENTATIVE.

7. IF WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING AREA OR IS ALTERED DUE TO CONSTRUCTION CONTRACTOR SHALL REPLACE THE WALKING TRAIL TO THE SAME OR BETTER CONDITION. SEE DETAIL ON THIS

PAGE FOR FURTHER INFORMATION.

8. NO CONSTRUCTION WORK OR EQUIPMENT IS TO OCCUR ON THE FACE OF THE DAM. THE DEMARCATION FOR

THIS NO WORK ZONE WILL BE DENOTED BY THE GROIN OF THE DAM.

GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY (NCDEQ) EROSION AND

SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT THE CONTRACTOR

SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT CLOSE OUT.

5. SEE SHEET CG104 FOR EROSION & SEDIMENT CONTROL PLAN AS WELL AS A VISUAL REPRESENTATION, CG301 &

CG302 FOR CROSS SECTIONS, AND CG501 FOR DETAILS.

6. EXISTING WALKING TRAIL LOCATION IS BASED ON GIS SHAPEFILE. CONTRACTOR SHALL FIELD VERIFY TRAIL LOCATION PRIOR TO ANY GRADING OR EXCAVATION WORK. IF THE WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING CONTRACTOR SHALL NOTIFY CONTRACTING OFFICER AND HIS/HER REPRESENTATIVE.

7. IF WALKING TRAIL FALLS WITHIN THE PROPOSED GRADING AREA OR IS ALTERED DUE TO CONSTRUCTION CONTRACTOR SHALL REPLACE THE WALKING TRAIL TO THE SAME OR BETTER CONDITION. SEE DETAIL ON THIS

PAGE FOR FURTHER INFORMATION.

8. NO CONSTRUCTION WORK OR EQUIPMENT IS TO OCCUR ON THE FACE OF THE DAM. THE DEMARCATION FOR

THIS NO WORK ZONE WILL BE DENOTED BY THE GROIN OF THE DAM.

TYPICAL WALKING TRAIL DETAIL

N.T.S

CG501A1

0+00

1+

2+

3+

4+00

5+

6+00

7+

8+

9+

+0

+0

11+30.44

RR

M

TS

PS

M

TS

PS

M

TS

PS

M

TS

PS

RR

RR

CESC

PROPOSED HAUL ROUTE

PROPOSED TURBIDITY CURTAIN

SF

SF

SF

SF

SF

SF

SF SF SF

SF

SF

SF

SF

SF

SF

SF

SF

M

TS

PS

M

TS

PS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

H

J

K

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P

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D B

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D R

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D

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AN

CG104

US Army Corps of Engineers

U .S

. A R

M Y

C O

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R S

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GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE

MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL

QUALITY (NCDEQ) EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. SEE

SHEETS CG502 - CG505 FOR EROSION AND SEDIMENT CONTROL NOTES.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT

THE CONTRACTOR SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT

CLOSE OUT.

5. SEE CG501 - DETAIL A1A & A1B FOR RIP RAP REVETMENT TYPICAL SECTIONS.

6. CONTRACTOR SHALL WORK WITH CONTRACTING OFFICER OR HIS/HER REPRESENTATIVE TO

DETERMINE LAYDOWN AREAS AND HAUL ROUTES.

LEGEND

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

NOTHING FOUND OR SET

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

TIE LINE

PROPERTY LINE

(R)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

NORTH ARROW

SCALE: 1" = 50'

Feet 0 50 100

KEY NOTES:

SILT FENCE

RIP RAP - CLASS I

TEMPORARY SEEDING

PERMANENT SEEDING

MULCHING

CONSTRUCTION ENTRANCE

STREAM CROSSING

M

PS

TS

RR CE

RIP RAP HATCH PATTERN

LAYDOWN AREA HATCH PATTERN

SC

EROSION & SEDIMENT CONTROL NOTES:

1. OWNER: UNITED STATES OF AMERICA. PARCEL ID/PIN: 1101130 / 3837-83-0047

2. SHEET AREA DISTURBANCE: 1 ACRE.

3. PRE-DEVELOPMENT RUNOFF: Q2= ±0.19 Q10= ±0.30

POST DEVELOPMENT RUNOFF: Q2= ±0.57 Q10= ±0.80

4. ALL BANK REPAIRS, STABILIZATION, GRADING, OR ANY OTHER DISTURBANCES WITHIN THE

25-FOOT BUFFER ZONE SHALL BE COMPLETED BY THE END OF EACH DAY. WORK SHALL BE

SCHEDULED SO THAT AT THE END OF EACH DAY BARE GROUND IS NOT EXPOSED AND ALL

DISTURBED AREAS INCLUDING BANKS SHALL HAVE AN ADEQUATE TEMPORARY OR

PERMANENT GROUND COVER IN PLACE.

5. CONTRACTOR SHALL INSTALL & MAINTAIN EROSION CONTROL DEVICES SUFFICIENT TO

CONTAIN SEDIMENT AROUND ANY ERODIBLE MATERIAL STOCKPILE AREAS AS DIRECTED. NO

EARTHEN-MATERIAL STOCKPILE OR STAGING AREA SHALL BE LOCATED WITH-IN 25-FOOT

BUFFER ZONE OF ANY SURFACE WATER CLASSIFIED AS TROUT WATERS BY

ENVIRONMENTAL MANAGEMENT COMMISSION.

TROUT BUFFER HATCH PATTERN

SF

SILT FENCE

SF SF

PROPOSED HAUL ROUTE

PROPOSED TURBIDITY CURTAIN

0+

1+

2+

3+

4+

5+00

5+

.3

LW

L

LW

L

LW

L

LW

L

LW

L

LWL

LW

L

LW

L

LW

L

LWL

SF

SF

RR

M

TS

RR

RR

PS

TS

CE

RECP

PS

M

TS

MPS

RECP

RECP

SF

SF

SF

SF

OFFSET BASELINE

PROPOSED DESIGN

GRADING LIMIT

CONSTRUCTION LIMITS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

H

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K

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P

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B Y:

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CG105

US Army Corps of Engineers

U .S

. A R

M Y

C O

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PS

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R S

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GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE MOST

RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY

(NCDEQ) EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. SEE SHEETS

CG502 - CG505 FOR EROSION AND SEDIMENT CONTROL NOTES.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT THE

CONTRACTOR SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT CLOSE OUT.

5. SEE CG501 - DETAIL A2 FOR RIP RAP SLOPE STABILIZATION TYPICAL SECTION.

6. CONTRACTOR SHALL WORK WITH CONTRACTING OFFICER OR HIS/HER REPRESENTATIVE TO

DETERMINE LAYDOWN AREAS AND HAUL ROUTES.

LEGEND

USACE CONTROL POINT

FOUND 2" ALUMINUM CAP MONUMENT

NOTHING FOUND OR SET

RECORD FROM "PLAT OF FAMILY HOUSING

PARCEL - D" DATED MARCH 28, 2008. RECORD

DISTANCES ARE IN U.S. SURVEY FEET.

CONSTRUCTION FENCE

TIE LINE

PROPERTY LINE (NOT SURVEYED)

(R)

PROPERTY LINE (SURVEYED)

EDGE OF ROAD

EXISTING MAJOR CONTOUR

EDGE OF WATER

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

NORTH ARROW

SCALE: 1" = 50'

Feet 0 50 100

KEY NOTES:

SILT FENCE

RIP RAP - CLASS I

TEMPORARY SEEDING

PERMANENT SEEDING

MULCHING

CONSTRUCTION ENTRANCE

STREAM CROSSING

ROLLED EROSION CONTROL PRODUCT

M

PS

TS

RR CE

RIP RAP HATCH PATTERN

LAYDOWN AREA HATCH PATTERN

SC

EROSION & SEDIMENT CONTROL NOTES:

1. OWNER: UNITED STATES OF AMERICA. PARCEL ID/PIN: 1101130 / 3837-83-0047

2. SHEET AREA DISTURBANCE: ±1.0 ACRE.

3. PRE-DEVELOPMENT RUNOFF: Q2 = ±0.7575 CFS Q10= ±1 CFS

POST DEVELOPMENT RUNOFF: Q2= ±2.783 CFS Q10= ±3.7 CFS

4. ANY DISTURBED AREAS SHALL BE SEEDED AND MULCHED. ONCE CONSTRUCTION IS COMPLETED

DISTURBED AREAS ARE TO BE PERMANENTLY SEEDED.

RECP

RECP AREA HATCH PATTERN

TROUT BUFFER HATCH PATTERN

SF

PROPOSED SILT FENCE

SF SF

CONSTRUCTION LIMITS

LWL LWL

WALKING TRAIL

0+25

0 200-20-40

0+75

0 200-20-40

1+25

0 200-20-40-60

1+75

0 200-20-40

2+25

0 200-20-40

0+00

0 200-20-40

0+50

0 200-20-40

1+00

0 200-20-40-60

1+50

0 200-20-40-60

2+00

0 200-20-40

EXISTING

GROUND

PROPOSED

GROUND

PROPOSED

CUT

PROPOSED GROUND

PROPOSED FILL

EXISTING

GROUND

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

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J

K

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M

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C H

EC

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D B

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D R

AW

N

B Y:

D

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N

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B

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C O

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M

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SHEET ID

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TO

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BI

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EN

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CG301

US Army Corps of Engineers

U .S

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M Y

C O

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LEGEND

EXISTING GROUND

PROPOSED GROUND

WATER SURFACE_____

FILL HATCH PATTERN

CUT HATCH PATTERN

Feet 0 20 40

SCALE: 1" = 20'

NOTES:

1. RIP RAP NOT SHOWN FOR CLARITY. SEE GG501 FOR DETAILS AND LIMITS.

2+75

0 200-20-40-60-80-100

3+25

0 200-20-40-60-80

3+75

0 200-20-40-60

4+25

0 200-20-40

2+50

0 200-20-40-60-80-100

3+00

0 200-20-40-60-80-100

3+50

0 20 400-20-40-60-80

4+00

0 200-20-40-60

4+50

0 200-20-40

EXISTING GROUND

PROPOSED CUT

PROPOSED GROUND

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

E

F

G

H

J

K

L

M

N

P

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BM

IT

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D B

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C H

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D B

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D R

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B Y:

D

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TO

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CG302

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

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G

IN

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R S

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LEGEND

EXISTING GROUND

PROPOSED GROUND

WATER SURFACE_____

FILL HATCH PATTERN

CUT HATCH PATTERN

Feet 0 20 40

SCALE: 1" = 20'

4+75

0 200-20-40-60

5+25

0 200-20-40-60

5+00

0 200-20-40-60

5+50

0 200-20-40

EXISTING GROUND

PROPOSED GROUND

PROPOSED CUT

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

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CG303

US Army Corps of Engineers

U .S

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LEGEND

EXISTING GROUND

PROPOSED GROUND

WATER SURFACE_____

FILL HATCH PATTERN

CUT HATCH PATTERN

Feet 0 20 40

SCALE: 1" = 20'

SCALE: 1"= 50'

TYPICAL SECTION DETAIL- RIPRAP REVETMENT.

STA. 0+00 TO 6+00

CG101

A-1A

SCALE: 1"=50'

TYPICAL SECTION DETAIL - RIPRAP

SLOPE STABILIZATION

CG102

A-2

NCDOT CLASS I RIP RAP

(2 LAYERS)

MIN. 24"

BEDDING STONE - NCDOT CLASS A RIP RAP

MIN. 12"

NON-WOVEN GEOTEXTILE FABRIC

EXISTING GROUND

2NORMAL LAKE LEVEL

ELEV. =1030'

TOP OF SLOPE

APPROX. ELEV. = 1035'

SCALE: 1"= 50'

TYPICAL SECTION DETAIL- RIPRAP REVETMENT.

STA. 6+00 TO 11+30

CG101

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2'

MIN.

2'

10'

TIE INTO EXISTING GROUND

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NORMAL LAKE LEVEL

ELEV. =1030'

PROPOSED CUT

PROPOSED FINISHED GRADE

SURFACE STABILIZATION

(TEMP. SEEDING, PERMANENT

SEEDING, MULCHING, ROLLED

EROSION CONTROLLED

PRODUCTS)

NCDOT CLASS I RIP RAP

(2 LAYERS)

MIN. 24"

BEDDING STONE -

NCDOT CLASS A

RIP RAP STONE

12" MIN.

NON-WOVEN GEOTEXTILE FABRIC

PRIME COAT

COMPACTED

BACKFILL

EXIST PAV'T

12"

MIN. VARIES

SAW CUT

EXIST. STONE

BASE COURSE

SAME AS EXISTING

STONE BASE COURSE

6" MIN.

12"

MIN.

SURFACE COURSE

TACK COAT

2" BIT. CONC.

PAV'T EDGE

2'

2'

NCDOT CLASS I RIP RAP

(2 LAYERS)

MIN. 24"

EXISTING GROUND

NON-WOVEN GEOTEXTILE FABRIC

NORMAL LAKE LEVEL

ELEV. =1030'

TOP OF SLOPE

APPROX. ELEV. = 1033'

2'

2'

EXISTING GROUND

BEDDING STONE - NCDOT CLASS A RIP RAP STONE

MIN. 12"

1'

1'

COMPACTED BACKFILL

COMPACTED BACKFILL

SCALE: N.T.S

TYPICAL SECTION DETAIL- BITUMINOUS

PAVEMENT PATCHING

NOTES:

1. PATCH THE AREAS, IN THE OPINION OF THE CONTRACTING OFFICER

AND/OR HIS/HER REPRESENTATIVE, THAT NEED REPAIRING. THE

AREAS TO BE PATCHED WILL BE DELINEATED BY THE CONTRACTING

OFFICER AND/OR HIS/HER REPRESENTATIVE PRIOR TO THE

CONTRACTOR PERFORMING THE REPAIRS.

2. ANY DAMAGE TO THE EXISTING PAVEMENT AS A RESULT OF

COMPLETING THIS PROJECT WILL BE THE RESPONSIBILITY OF THE

CONTRACTOR AT NO EXTRA EXPENSE TO THE GOVERNMENT.

· PLACE ASPHALT CONCRETE BASE COURSE IN LIFTS NOT

EXCEEDING 5.5 INCHES. UTILIZE COMPACTION EQUIPMENT

SUITABLE FOR COMPACTING PATCHES AS SMALL AS 3.5 FEET BY

6 FEET ON EACH LIFT. USE AN NCDOT APPROVED COMPACTION

PATTERN TO ACHIEVE PROPER COMPACTION. IF PATCHED

PAVEMENT IS TO BE OPEN TO TRAFFIC BETWEEN DECEMBER

THRU MARCH OF THE FOLLOWING YEAR, USE ASPHALT

CONCRETE INTERMEDIATE COURSE OR ASPHALT CONCRETE

SURFACE COURSE AS THE TOP LAYER OF THE PATCH.

· SCHEDULE OPERATIONS SO THAT ALL AREAS WHERE PAVEMENT

HAS BEEN REMOVED WILL BE REPAIRED ON THE SAME DAY OF

THE PAVEMENT REMOVAL AND ALL LANES OF TRAFFIC

RESTORED.

CONSTRUCTION METHODS:

VARIES

VARIES

COMPACTED BACKFILL

VARIES

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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GENERAL SHEET NOTES:

1. RIPRAP STONE SHALL BE PLACED IN ACCORDANCE WITH SPECIFICATION 35 31 19 - STONE, CHANNEL, SHORELINE/COASTAL PROTECTION FOR STRUCTURES.

2. ALL GRADING SHALL BE IN ACCORDANCE WITH SPECIFICATION 31 00 00 - EARTHWORK.

3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE

MOST RECENT VERSION OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL

QUALITY (NCDEQ) EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.

4. GOVERNMENT SHALL OBTAIN NECESSARY PERMITS NEED TO PERFORM THE WORK, BUT

THE CONTRACTOR SHALL BE RESPONSIBLE FOR FOR ALL WORK REQUIRED FOR PERMIT

CLOSE OUT.

5. CONTRACTOR SHALL FIELD VERIFY ELEVATIONS PRIOR TO START OF CONSTRUCTION.

6. GEOTEXTILE FILTER FABRIC SHALL EXTEND TO NEAR THE GROUND SURFACE TO PREVENT

MIGRATION AND/OR LOSS OF EXISTING SLOPE MATERIALS INTO THE RIP RAP AND BEDDING

STONE.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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EROSION & SEDIMENT CONTROL NOTES

PURPOSE:

PROVIDE BANK STABILIZATION TO THE SPILLWAY AND SOUTH ABUTMENT TO

PREVENT ADDITIONAL EROSION ESCARPMENT DUE TO WAVE ACTION AND OTHER

NATURAL OCCURRENCES SUCH AS WIND AND RAIN. THE PROJECT IS LOCATED IN

WILKESBORO, NORTH CAROLINA.

CONTACT PERSONNEL:

UNITED STATES ARMY CORPS OF ENGINEERS

THOMAS NICHOLSON - PHONE NUMBER: 366-921-3390

CONTRACTOR: (COMPANY NAME)

(CONTACT PERSON ON SITE - PHONE NUMBER)

PRELIMINARY CONSTRUCTION SEQUENCE (TO BE FINALIZED BY CONTRACTOR AND

CONTRACTING OFFICER):

· FINALIZE STAGING AREAS AND HAUL ROUTES WITH CONTRACTING OFFICER

AND/OR HIS/HER REPRESENTATIVE.

· INSTALL PROJECT SIGNS AND NOTICES.

· INSTALL TURBIDITY CURTAINS.

· INSTALL CONSTRUCTION ENTRANCES AND STREAM CROSSINGS.

· BEGIN CLEARING AND GRUBBING.

· BEGIN EXCAVATION WORK TO ESTABLISHED GRADES.

· MAINTAIN EROSION AND SEDIMENT CONTROL(S) DURING CONSTRUCTION.

· INSTALL RIP RAP REVETMENT / RIP RAP SLOPE STABILIZATION.

· INSTALL PERMANENT STABILIZATION FOR REMAINING PROJECT SITE, SUCH AS

PERMANENT SEEDING, MULCHING, OR ROLLED EROSION CONTROL PRODUCTS.

· ONCE CONSTRUCTION IS COMPLETE AND ALL PROJECT AREAS ARE

STABILIZED, REMOVE ANY REMAINING EROSION AND SEDIMENT CONTROL

MEASURES AND STABILIZE ANY AREAS DISTURBED BY THEIR REMOVAL.

· CONTRACTOR SHALL PROVIDE MAINTENANCE FOR A MINIMUM PERIOD OF 1

YEAR AFTER NOTICE OF COMPLETION. IF ANY PERMIT IS NOT CLOSED OUT

DURING THIS 1 YEAR PERIOD THE CONTRACTOR WILL BE RESPONSIBLE FOR

MAINTENANCE UNTIL THAT PERMIT IS CLOSED OUT.

LIST OF PROPOSED EROSION AND SEDIMENT CONTROL MEASURES:

· TEMPORARY SEEDING

· PERMANENT SEEDING

· MULCHING

· ROLLED EROSION CONTROL PRODUCTS (RECP)

· RIP RAP

· CONSTRUCTION ENTRANCE/EXIT

· STREAM CROSSING

· TURBIDITY CURTAIN

INSPECTION REQUIREMENTS:

· THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL INSPECTIONS TO ENSURE

THE APPROVED EROSION AND SEDIMENT CONTROL PLAN IS BEING FOLLOWED.

· ALL EROSION CONTROL MEASURES SHALL BE INSPECTED AT LEAST ONCE PER

WEEK AND AFTER EACH STORM EVENT OF 1.0 INCHES OR MORE IN A 24-HOUR

PERIOD.

· ONCE THE PROJECT IS COMPLETED AND STABILIZED THE CONTRACTOR SHALL

NOTIFY THE CONTRACTING OFFICER OR HIS/HER REPRESENTATIVE, & THE

APPROPRIATE LAND QUALITY OFFICE A MINIMUM OF 10 DAYS IN ADVANCE FOR

A CLOSE OUT INSPECTION.

NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY NOTES:

1. NO BUFFER/STREAM DISTURBING ACTIVITY SHALL TAKE PLACE WITHIN THE

TROUT BUFFER ZONE DURING THE TROUT SPAWNING PERIOD OF 15 OCTOBER

- 15 APRIL, UNLESS THE NORTH CAROLINA WILDLIFE RESOURCE COMMISSION

DETERMINES THAT THE MORATORIUM IS NOT APPLICABLE TO THIS PROJECT.

2. COMPLIANCE MUST BE MAINTAINED WITH THE SURFACE WATER QUALITY

TURBIDITY STANDARD (10 NTU IN STREAMS, LAKES, OR RESERVOIRS

DESIGNATED AS TROUT WATERS); IF TURBIDITY EXCEEDS THESE LEVELS DUE

TO NATURAL BACKGROUND CONDITIONS, THE EXISTING TURBIDITY LEVEL

SHALL NOT BE INCREASED. IF ANY EXCEEDANCE OCCURS AT ANY TIME

DURING THE PROJECT, ACTIVITY WITHIN THE BUFFER MUST CEASE

IMMEDIATELY. MORE PROTECTIVE EROSION AND SEDIMENTATION CONTROL

MEASURES MAY BE REQUIRED IN ORDER TO COMPLY WITH THIS WATER

QUALITY STANDARD. [G.S 113A-541(A), 15A NCAC 02B .0211 (21)].

3. ALL MATERIALS SHOULD BE ON HAND BEFORE ANY WORK IS STARTED. ALL

MATERIALS MUST BE STORED IN AN ORDERLY MANNER AWAY FROM

VEHICULAR TRAFFIC, NEAR THE CONSTRUCTION ENTRANCE, AND AWAY FROM

WATERWAYS OR STORM DRAINS IN APPROPRIATE CONTAINERS AND/OR

ENCLOSURES.

4. ALL BANK REPAIRS, STABILIZATION, GRADING OR ANY OTHER DISTURBANCES

WITHIN THE 25-FOOT BUFFER ZONE SHALL BE COMPLETED BY THE END OF

EACH DAY. WORK SHALL BE SCHEDULED SO THAT AT THE END OF EACH DAY

BARE GROUND IS NOT EXPOSED AND ALL DISTURBED AREAS INCLUDING

BANKS SHALL HAVE AN ADEQUATE TEMPORARY OR PERMANENT GROUND

COVER IN PLACE.

5. THE CONTRACTOR SHALL INSTALL AND MAINTAIN EROSION CONTROL DEVICES

SUFFICIENT TO CONTAIN SEDIMENT AROUND ANY ERODIBLE MATERIAL

STOCKPILE AREAS AS DIRECTED. NO EARTHEN-MATERIAL STOCKPILE OR

STAGING AREA SHALL BE LOCATED WITHIN THE 25-FOOT BUFFER ZONE OF

ANY SURFACE WATER CLASSIFIED AS TROUT WATERS BY THE

ENVIRONMENTAL MANAGEMENT COMMISSION.

6. SILT FENCING SHOULD BE PROVIDED AROUND ALL BORE PITS AND

ASSOCIATED WORK AREAS, INCLUDING SOIL STOCKPILES.

7. PLEASE NOTIFY NCDEQ REGIONAL OFFICE PRIOR TO THE PRE-CONSTRUCTION

CONFERENCE FOR THIS PROJECT BY CALLING (336) 776-9800 AND ASKING TO

SPEAK WITH THE LAND QUALITY INSPECTOR FOR WILKES COUNTY.

PERMISSION MUST BE OBTAINED AND GRANTED FROM NCDEQ - DEMLR PRIOR

TO THE REMOVAL OF ANY ESC MEASURES. [GS 11A-51, 15A NCAC 4B .0120]

8. ANY OFF-SITE BORROW AND WASTE REQUIRED FOR THIS PROJECT MUST

COME FROM A SITE WITH AN APPROVED EROSION CONTROL PLAN, A SITE

REGULATED UNDER THE MINING ACT OF 1971, OR A LANDFILL REGULATED BY

THE DIVISION OF SOLID WASTE MANAGEMENT. TRASH/DEBRIS FROM

DEMOLITION ACTIVITIES OR GENERATED BY ANY ACTIVITIES ON SITE MUST BE

DISPOSED OF AT A FACILITY REGULATED BY DIVISION OF SOLID WASTE

MANAGEMENT OR PER DIVISION OF SOLID WASTE MANAGEMENT OR DIVISION

OF WATER RESOURCES RULES AND REGULATIONS. [15A NCAC 4B .0110]

9. ADDITIONAL MEASURES MAY BE REQUIRED - THE APPLICANT IS RESPONSIBLE

FOR THE CONTROL OF SEDIMENT ON-SITE. IF THE APPROVED EROSION AND

SEDIMENTATION CONTROL MEASURES PROVE INSUFFICIENT, THE APPLICANT

MUST TAKE THOSE ADDITIONAL STEPS NECESSARY TO STOP SEDIMENT FROM

LEAVING THIS SITE. [15A NCAC 4B .0115]

TEMPORARY SEEDING MAINTENANCE & SCHEDULE

SEE LATEST NCDEQ EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL, CHAPTER 6 - II.

SURFACE STABILIZATION, 6.10 TEMPORARY SEEDING FOR COMPLETE GUIDANCE.

MAINTENANCE - RESEED AND MULCH AREAS WHERE SEEDING EMERGENCE IS POOR, OR WHERE

EROSION OCCURS, AS SOON AS POSSIBLE.

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PERMANENT SEEDING SCHEDULES & MAINTENANCE

SEE LATEST NCDEQ EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL

CHAPTER 6 - II. SURFACE STABILIZATION, 6.11 PERMANENT SEEDING FOR COMPLETE GUIDANCE.

DUST CONTROL

SEE LATEST NCDEQ EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL

CHAPTER 6 - IX. OTHER RELATED PRACTICES, 6.84 DUST CONTROL FOR GUIDANCE.

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MULCHING MAINTENANCE & APPLICATION RATES

SEE LATEST NCDEQ EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL

CHAPTER 6 - II. SURFACE STABILIZATION, 6.14 MULCHING FOR COMPLETE GUIDANCE.

MAINTENANCE: INSPECT ALL MULCHES PERIODICALLY, AND AFTER RAINSTORMS TO CHECK

FOR RILL EROSION, DISLOCATION, OR FAILURE. WHERE EROSION IS OBSERVED, APPLY

ADDITIONAL MULCH. IF WASHOUT OCCURS, REPAIR THE SLOPE GRADE, RESEED, AND

REINSTALL MULCH. CONTINUE INSPECTIONS UNTIL VEGETATION IS FIRMLY ESTABLISHED.

TURBIDITY CURTAIN:

SEE VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY EROSION AND SEDIMENT CONTROL

HANDBOOK, CHAPTER 3.27 FOR FULL GUIDANCE PERTAINING TO TURBIDITY CURTAINS.

DESIGN CRITERIA:

1. TYPE I (SEE PLATE 3.27-1) SHOULD BE USED IN PROTECTED AREAS WHERE THERE IS NO

CURRENT AND THE AREA IS SHELTERED FROM WIND AND WAVES.

2. TYPE II CONFIGURATION (SEE PLATE 3.27-1) SHOULD BE USED IN AREAS WHERE THERE

MAYBE SMALL TO MODERATE CURRENT RUNNING (UP TO 2 KNOTS OR 3.5 FEET PER

SECOND) AND/OR WIND AND WAVE ACTION CAN EFFECT THE CURTAIN.

3. TYPE III CONFIGURATION (SEE PLATE 3.27-2) SHOULD BE USED IN ARES WHERE

CONSIDERABLE CURRENT (UP TO 3 KNOTS OR 5 FEET PER SECOND) MAY BE PRESENT,

WHERE TIDAL ACTION MAY BE PRESENT AND/OR WHERE THE CURTAIN IS POTENTIALLY

SUBJECT TO WIND AND WAVE ACTION.

4. TURBIDITY CURTAINS SHOULD EXTEND THE ENTIRE DEPTH OF THE WATERCOURSE

WHENEVER THE WATERCOURSE IN QUESTION IS NOT SUBJECT TO TIDAL ACTION AND/OR

SIGNIFICANT WIND AND WAVE FORCES.

5. IN TIDAL AND/OR WIND AND WAVE ACTION SITUATIONS, THE CURTAIN SHOULD NEVER BE

SO LONG AS TO TOUCH THE BOTTOM. A MINIMUM 1-FT "GAP" SHOULD EXIST BETWEEN THE

WEIGHTED LOWER END OF THE SKIRT AND THE BOTTOM AT "MEAN" LOW WATER.

MOVEMENT OF THE LOWER SKIRT OVER THE BOTTOM DUE TO TIDAL REVERSES OR WIND

AND WAVE ACTION OF THE FLOTATION SYSTEM MAY FAN AND STIR SEDIMENTS ALREADY

SETTLED OUT.

6. IN TIDAL AND/OR WIND AND WAVE ACTION SITUATIONS, IT IS SELDOM PRACTICAL TO

EXTEND A TURBIDITY CURTAIN LOWER THAN 10 TO 12 FEET BELOW THE WATER SURFACE.

CURTAINS INSTALLED DEEPER THAN THIS WILL BE SUBJECT TO LARGE LOADS WITH

CONSEQUENT STRAIN ON CURTAIN MATERIALS AND MOORING SYSTEM.

7. TURBIDITY CURTAINS SHOULD BE LOCATED PARALLEL TO THE DIRECTION OF FLOW OF A

MOVING BODY OF WATER.

8. WHEN SIZING THE LENGTH OF THE FLOATING CURTAIN, ALLOW AN ADDITIONAL 10-20%

VARIANCE IN THE STRAIGHT LINE MEASUREMENTS TO ALLOW FOR ERRORS, EASIER

INSTALLATION, AND REDUCED STRESS FROM POTENTIAL WAVE ACTION DURING HIGH

WINDS.

9. AVIOD EXCESSIVE AMOUNT OF JOINTS IN THE CURTAIN; A MINIMUM CONTINUOUS SPAN OF

50 FEET BETWEEN JOINTS IS A GOOD "RULE OF THUMB".

10. FOR STABILITY REASONS, A MAXIMUM SPAN OF 100 FEET BETWEEN JOINTS (ANCHOR OR

STAKE LOCATIONS) IS ALSO A GOOD RULE TO FOLLOW.

11. THE ENDS OF THE CURTAIN, BOTH FLOATING UPPER AND WEIGHTED LOWER, SHOULD

EXTEND WELL UP INTO THE SHORELINE, ESPECIALLY IF HIGH WATER CONDITIONS ARE

EXPECTED. THE ENDS SHOULD BE SECURED FIRMLY TO THE SHORELINE (PREFERABLY TO

RIGID BODIES SUCH AS TREES) TO FULLY ENCLOSE THE AREA WHERE SEDIMENT MAY

ENTER THE WATER.

CONSTRUCTION SPECIFICATIONS:

1. BARRIERS SHOULD BE A BRIGHT COLOR ("INTERNATIONAL" ORANGE IS RECOMMENDED)

THAT WILL ATTRACT THE ATTENTION OF NEARBY BOATERS.

2. THE CURTAIN FABRIC MUST MEET THE MINIMUM REQUIREMENTS NOTED IN TABLE 3.27-A

3. SEAMS IN THE FABRIC SHALL BE EITHER VULCANIZED WELDED OR SEWN, AND SHALL

DEVELOP THE FULL STRENGTH OF THE FABRIC.

4. FLOATATION DEVICES SHALL BE FLEXIBLE, BUOYANT UNITS CONTAINED IN AN INDIVIDUAL

FLOATATION SLEEVE OR COLLAR ATTACHED TO THE CURTAIN. BUOYANCY PROVIDED BY

THE FLOATATION UNITS SHALL BE SUFFICIENT TO SUPPORT THE WEIGHT OF THE CURTAIN

AND MAINTAIN A FREEBOARD OF AT LEAST 3 INCHES ABOVE THE WATER SURFACE LEVEL.

5. LOAD LINES MUST BE FABRICATED INTO THE BOTTOM OF ALL FLOATING TURBIDITY

CURTAINS. TYPE II AND TYPE III MUST HAVE LOAD LINES ALSO FABRICATED INTO THE TOP

OF THE FABRIC. THE TOP LOAD LINE SHALL CONSIST OF WOVEN WEBBING OR

VINYL-SHEATHED STEEL CABLE AND SHALL HAVE A BREAK STRENGTH IN EXCESS OF

10,000 POUNDS. THE SUPPLEMENTAL (BOTTOM) LOAD-LINE SHALL CONSIST OF A CHAIN

INCORPORATED INTO THE BOTTOM HEM OF THE CURTAIN OF SUFFICIENT WEIGHT TO

SERVE AS BALLAST TO HOLD THE CURTAIN IN A VERTICAL POSITION. ADDITIONAL

ANCHORAGE SHALL BE PROVIDED AS NECESSARY. THE LOAD LINES SHALL HAVE SUITABLE

CONNECTING DEVICES WHICH DEVELOP THE FULL BREAKING STRENGTH FOR

CONNECTING TO LOAD LINES IN ADJACENT SECTIONS (SEE PLATES 3.27-1 AND 3.27-2

WHICH PORTRAY THE ORIENTATION).

6. EXTERNAL ANCHORS MAY CONSIST OF WOODEN OR METAL STAKES (2-x 4-INCH OR

2.5-INCH MINIMUM DIAMETER WOOD OR 1.33 POUNDS/LINEAR FOOT STEEL) WHEN TYPE I

INSTALLATION IS USED; WHEN TYPE II OR TYPE III INSSTALLATIONS ARE USED, BOTTOM

ANCHORS SHOULD BE USED.

7. BOTTOM ANCHORS MUST BE SUFFICIENT TO HOLD THE CURTAIN IN THE SAME POSITION

RELATIVE TO THE BOTTOM OF THE WATERCOURSE WITHOUT INTERFERING WITH THE

ACTION OF THE CURTAIN. THE ANCHOR MAY DIG INTO THE BOTTOM (GRAPPLING…