SouthMayoRiver_RTA_PLANS.pdf

PDF 12 MB Posted Jun 25, 2019

Attached to: Flood Reduction at South May River, Patrick County, Virginia Federal contract opportunity
Solicitation number: W912PM19B0010
Issued by: Department of the Army Corps of Engineers Engineering District Wilmington

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W912PM19B0010, South Mayo River Plans

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File	Type	Posted
B1_-_IFB_Abstract19B0010_S_Mayo_Creek_Signed.pdf	PDF	Jul 25, 2019
Bid_Opening_AttendanceSheet.pdf	PDF	Jul 25, 2019
Site_Visit_Attendees.pdf	PDF	Jul 10, 2019
25Jun2019RTA_SPECS_-_SOUTH_MAYO_RIVER.pdf	PDF	Jun 25, 2019

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G000

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ISSUE DATE: JUNE 2019

CONTRACT NO. :

SOLICITATION NO.: IFB No. W912PM19B0010

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US Army Corps

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Approval Recommended: *

Approved: *

DATE

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

SIGNATURES AFFIXED BELOW INDICATE OFFICIAL RECOMMENDATION

CHIEF, ENGINEERING BRANCH

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

DESIGNATIONS APPEAR ON THESE DOCUMENTS ARE OPERATING WITHIN THE

WILMINGTON DISTRICT. INDIVIDUALS WHOSE SIGNATURES AND REGISTRATION

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

CHIEF, DESIGN and GENERAL ENGINEERING SECTION

21 MAY 2019

Patrick County, Virginia South Mayo River

South Mayo River Rehabilitation Flood Reduction Project South Mayo River

NDM

CHESNUT AVE.HILL S

S A L E

M H

W Y

SAL

HWY

COMMERCE ST.

STORE

ABC

PHARMACY

RITE AID

W O

O D L A

N E D

821 TERRRACE LOOP

GLEENWOOD

HIGH SCHOOL

PATRICK COUNTY

T-1020 PATR

AVE.

STUART, VA

NARROFLEX, INC

AREA

PROJECT

G001

PROJECT VICINITY MAP

PROJECT LOCATION MAP

TITLE

DRAWING INDEX

SHEET ID

NOT TO SCALE

SCALE 1" = 1500'

A N

D V

T Y M

A P

P R

O J E

C T L

O C

A T

E X

O O

F D

R A

G S

0 1500 3000750

SCALE 1" = 1500'

PLAN AND PROFILE C/L STAT 42+00 TO 57+00.00

PLAN AND PROFILE C/L STATIONS 25+98.93 TO 42+00.00

PLAN AND PROFILE C/L STATIONS 11+00 TO 25+98

TYPICAL SECTION AND MISCELLANEOUS DETAILS

DRAWING LAYOUT AND OVERALL SITE PLAN

SOUTH MAYO RIVER FLOOD REDUCTION PROJECT - REFERENCE PLANS

AREA

PROJECT

S o u th

M a y o

G .d g n

C310

C309

C308

C307

C306

C305

C304

C303

C302

C301

C106

C105

C104

C103

C102

C101

G003

G002

G001

G000

CROSS SECTIONS STA. 43+80 TO STA. 44+00

CROSS SECTIONS STA. 40+80 TO STA. 43+60

CROSS SECTIONS STA. 37+80 TO STA. 40+60

CROSS SECTIONS STA. 34+80 TO STA. 37+60

CROSS SECTIONS STA. 31+80 TO STA. 34+60

CROSS SECTIONS STA. 28+80 TO STA. 31+60

CROSS SECTIONS STA. 26+60 TO STA. 28+60

CROSS SECTIONS STA. 24+60 TO STA. 26+40

CROSS SECTIONS STA. 22+65 TO STA. 24+40

TYPICAL SECTION - EXCAVTION DIVERSION CHANNEL RIPRAP REMOVAL

TEMPORARY EROSION AND SEDIMENT CONTROL PLAN STA. STA. 38+25 TO STA. 44+00

TEMPORARY EROSION AND SEDIMENT CONTROL PLAN STA. STA. 22+50 TO STA. 29+95

TEMPORARY EROSION CONTROL DETAILS

DIVERSION CHANNEL REHABILITATION STA. STA. 38+25 TO STA. 44+00

DIVERSION CHANNEL REHABILITATION STA. STA. 29+95 TO STA. 38+25

DIVERSION CHANNEL REHABILITATION STA. STA. 22+50 TO STA. 29+95

TEMPORARY CONSTRUCTION ACCESS RIGHT OF WAY PLANS

GENERAL MAP

INDEX OF DRAWINGS PROJECT LOCATION VICINITY MAP

COVER SHEET

P-6

P-5

P-4

P-2

P-1

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

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S U

B M

T E

D B

D A

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C H

E C

K E

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SHEET ID

®of Engineers

US Army Corps

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-B -0

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SOUTH

MAYO

RIV

FLOW

SOUTH MAYO RIVER

FLOW

CONC. WEIR

12" WIDE

V A

T H

LIMITS

EXCAVATION

PROPOSED

APPROVAL OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE.

REMOVED AND DIPOSED OF IN A CONTRACTOR PROVIDED DISPOSAL AREA SUBJECT TO THE

REUSE IN THE PLACEMENT OF THE NEW RIPRAP. ANY EXISTING RIPRAP NOT USED SHALL BE

INDICATED. THE EXISTING RIPRAP REMOVED MAY BE TEMPORARILY STOCKPILED ON SITE FOR

AND REPLACE WITH NEW RIPRAP TO THE ORIGINAL DIMENSION, THICKNESS AND ELEVATION

DOWNSTREAM OF THE EXISTING CONCRETE WEIR STRUCTURE TO THE GRADE SHOWN

2. THE CONTRACTOR SHALL REMOVE THE EXISTING RIPRAP BOTH UPSTREAM AND

OF THE EXISTING CONCRETE WEIR STRUCTURE AND TO THE GRADE SHOWN.

WITHIN THE EXISTING DIVERSION CHANNEL BOTH UPSTREM AND DOWNSTREAM

1. CONTRACTOR SHALL REMOVE EXISTING SEDIMENT THAT HAS ACCUMULATED

NOTES:

2/C301

TYPICAL SECTION

SEE SHEET C301

REPLACED)

(BURIED TO BE

PROTECTION

EXISTING RIPRAP

EXISTING DIVERSION CHANNEL

LIGHT POLE

POWER POLE

STORM SEWER CATCH BASIN

STORM SEWER MAN HOLE

SANITARY SEWER MANHOLE

EXISTING LEGEND

EXISTING RIPRAP

EXISTING CONC. WEIR STRUCTURE

PROJECT RIGHT OF WAY LIMITS

PROPOSED EXCAVATION LIMITS

PROPOSED CENTERLINE

LEGEND

C O

M M

E R

C E S

T R E E T

C O

M M

E R

C E S

T R E E T

EXISTING RIPRAP

S o u th

M a y o

G e n e ra lP la n .d g n

STA

C O

STR

U C

TIO

N A

C C

ESS

TEM

R A

R Y

CONSTRUCTION ACCESS

TEMPORARY

MAYO RIVER TRAIL

M A

Y O R

E R T

R A

ACCESS RAMP

MAINTENANCE

EXISTING

BENCH CUT

EXISTING

S A L E

M H

W Y

V A H

W Y

ARRO

FLEX, IN

NARR

OFL

EX,

INC

G002

G E

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SHEET ID

®of Engineers

US Army Corps

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C H

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-B -0

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K I

RAMP AREA

SOIL ACCESS

OHE

O H E

OHE

O H E

OHE

0 50

SCALE: 1" =100'

100 200

4811-3-9

COUNTY OF PATRICK

ROW

ROW ROW

ROW

R O

ROW ROW R

ROW

R O

ROWROW

ROW

R O

ROW

R O

ROW

ROWROWROWROWROWROWROW

R O

ROW

R O

FLOW

SOUTH MAYO RIVER

FLOW

CONC. WEIR

12" WIDE

LIMITS

EXCAVATION

PROPOSED

REPLACED)

(BURIED TO BE

PROTECTION

EXISTING RIPRAP

SM - 1

SM - 2

SM - 3

SM - 4

SM - 6

SM - 7

SM - 9

SM - 5

SM - 8

SM - 11

SM - 10

SM - 12 SM - 13 SM - 14

SM - 15

SM - 16

SM - 17

SM - 18

SM - 20

SM - 21 SM - 22 SM - 23

SM - 24

SM - 25

SM - 26

SM - 19

SM - 27

SM - 28

SM - 29

SM - 30 SM - 31

SM - 32

SM - 33

SM - 34

SM - 35

SM - 36

SM - 37

SM - 38

SM - 39 SM - 40

SM - 41

AIN

TRAN

SM - 1

LLC

S T

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R T L

A N

D H

O L D

G S I

N C

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DAN

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ROCKRID

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STUART LAND HOLDINGS INC

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NTERPRIS

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ECONOMIC DEVELOPMENT

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ECONOMIC DEVELOPMENT

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ECO

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A N

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A D D

A N

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DAN

M A

C H

G L

A D P

R E

T C

FLOW

CONCRETE PIER (TYP)

SOUTH

MAYO

RIV

S O

C C

LIMITS

EXCAVATION

PROPOSED

LIMITS

EXCAVATION

PROPOSED

LIMITS

EXCAVATION

PROPOSED

EXISTING DIVERSION CHANNEL

NARR

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TEMPORARY CONSTRUCTION ACCESS

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NARR

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EX,

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ACCESS RAMP

MAINTENANCE

EXISTING

STA. 22+62.83

P C

PI 25+99.28

P T

PI 29+12.59

P C

P T

PI 31+71.09 PI 36+67.16

PI 45+84.16

S T

A .4

P T

P C

REPLACED)

(BURIED TO BE

PROTECTION

EXISTING RIPRAP

T C

TCA

T C

A T

C A

TCA

T C

TCA

T C

TCA

T C

4811-3-12

4811-3-13

4811-3-14

4811-3-10-A

4811-3-2

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G L

A D D

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4811-3-19

4811-3-16

4811-14-3

-14

-2

-14

-1

-14

-4

4811-3-11

4811-14-17

-14

-16 -B

4811-14-18

4811-3-15

4811-14-4

-14

-16

-14

-4- A

-9-

4811-9-256

ECONOMI

C D

EVELOPMENT

ECONOMI

C D

EVELOPMENT

ECONOMI

C D

EVELOPMENT

STUART F

OREST P

RODUCTS L

ECONOMIC DEVELOPMENT

COUNTY O

F P

ATRI

COUNTY OF PATRICK

ECO

O M

IC DEVELO

NOT IN CONTRACT

EXISTING BENCH CUT

EXISTING DIVERSION CHANNEL

EXISTING RIPRAP

EXISTING DIVERSION CHANNEL

LIGHT POLE

POWER POLE

STORM SEWER CATCH BASIN

STORM SEWER MAN HOLE

SANITARY SEWER MANHOLE

EXISTING LEGEND

VA HWY 8

C O

M M

E R

C E S

T R E E T

WATER

SURFACE

ELEVATIO

7.2

VA HWY 8

AREASHOPPI

CHES

NUT A

VE.

C O

STR

U C

TIO

N A

C C

ESS

TEM

R A

R Y

HUTCHENS LARRY E

STUART LAND HOLDINGS INC

DAVIDSON NURSING CENTER INC

4811-3-3 4811-3-8

4811-3-9-A

4811-3-13

COUNTY OF PATRICK

STUART LAND HOLDINGS

4811-3-11

4811-3-12

COUNTY OF PATRICK

COUNTY

PATRI

-3 -1

AIN

IST

ING

HIG

EXISTING RIPRAP EXISTING RIPRAP

EXISTING RIPRAP

EL. 1

.74

OBSERVED

E 1

6.9

.86"A2

ESET"

EL 1177.58

CONC. WEIR

12" WIDE

SOUTH

MAYO

RIV

BENCH CUT

AREA

ACCESS RAMP

MAINTENANCE

A R

STA

C O

STR

U C

TIO

N A

C C

ESS

TEM

R A

R Y

CONSTRUCTION ACCESS

TEMPORARY

S o u th

M a y o

R ig h to fW a y

G e n e ra l.

d g n

C O

M M

O N

W E

A L T

H O

F V

HUTCHENS LARRY E

DAVIDSON NURSING CENTER INC

COUNTY OF PATRICK

STUART LAND HOLDINGS

COUNTY OF PATRICK

ACH

LAD

PRECI

O N

PAN

CLARK

ERS

PATRICK

COUNTY OF

PATRICK

COUNTY OF

PATRICK

COUNTY OF

ECONOMIC DEVELOPMENT

TOWN OF STUART

ECONOMIC DEVELOPMENT

STUART FOREST PRODUCTS LLC

O N

STR

U C

TIO

N A

C C

ESS

TEM

R A

R Y

CONSTRUCTION ACCESS

TEMPORARY

ALONG THE TEMPORARY CONSTRUCTION ROUTE.

DESIGNATED REPRESENTATIVE. THE CONTRACTOR SHALL TAKE PHOTOGRAPHS OF THE EXISTING CONDITIONS

TEMPORARY CONSTRUCTION ACCESS AND IN THE PRESENCE OF THE CONTRACTING OFFICER OR HIS/HER

6. PRIOR TO THE START OF ANY WORK, THE CONTRACTOR SHALL DOCUMENT THE EXISTING CONDITION OF THE

CONTACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. ALL SAW CUTS SHALL BE TO FULL DEPTH.

5. ALL CUT OR DAMAGED ROADWAY SURFACES SHALL BE REPLACED OR REPAIRED AS DIRECTED BY THE

AREAS IN KIND.

CONDITION TO MATCH ADJACENT GRADES AND SHALL REPLACE ANY DISTURBED PAVED, GRAVELED OR GRASSED

TO BE SEEDED UNDER THIS CONTRACT. THE CONTRACTOR SHALL RESTORE ALL DISTURBED AREAS TO ORIGINAL

SECTION 32 92 19 SEEDING. SEE SPECIFICATIONS FOR OTHER AREAS OUTSIDE THE LIMITS OF CONSTRUCTION

4. ALL DISTURBED AREAS NOT PAVED OR GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH SPECIFICATION

IN THE AREA ADJACENT TO OR NEAR THE EXISTING NARROFLEX PLANT.

REPRESENTATIVE. THE CONTRACTOR SHALL EXERCISE EXTREME CARE WHEN PERFORMING WORK

UNDER THIS CONTRACT UNLESS APPROVED BY THE CONTACTING OFFICER OR HIS/HER DESIGNATED \

PLANT FACILTY OR A PORTION THEREOF FOR CONSTRUCTION OR TO PERFORM WORK

LOADING / UNLOADING FACILITIES, AND OUTSIDE STORAGE AREAS OF THE EXISTING NARROFLEX

3. THE CONTRACTOR IS NOT ALLOWED TO USE THE MAIN ENTRANCE TO THE PLANT, ADJACENT PARKING AREAS, BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE.

MOVEMENT OR RELOCATION OF CONTRACTOR FACILITIES SHALL BE MADE ONLY WHEN APPROVED

DIRECTED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. TEMPORARY

AND TEMPORARY CONSTRUCTION ACCESS AREAS SHALL BE PLACED IN APPROVED AREAS AS

USED OUTSIDE THE DIRECT WORK AREAS. THE CONTRACTOR'S STAGING AREAS, STORAGE AREAS, AND GET APPROVAL FOR ALL STAGING AND TEMPORARY CONSTRUCTION ACCESS AREAS TO BE

PROPERTY HAS BEEN IDENTIFIED ON THE CONTRACT PLANS. THE CONTRACTOR SHALL PROPOSE

2. A STAGING AREA AND TEMPORARY CONSTRUCTION ACCESS WITHIN THE NARROFLEX PLANT

SHALL BE REPAIRED AND RETORED TO ITS ORIGINAL OR BETTER CONDITION.

PAVED AND GRAVEL SURFACES DAMAGED AS A RESULT OF THE CONTRACTOR'S OPERATIONS

TEMPORARY CONSTRUCTION ACCESS ROAD TO ITS ORIGINAL OR BETTER CONDITION. ALL

UPON COMPLETION OF THE CONTRACT WORK, THE CONTRACTOR SHALL RESTORE THE

ACCESS TO THE PLANT BY THE PERSONNEL RESPONSIBLE FOR THE PLANTS OPERATIONS.

NOT INTERFERE WITH THE DAILY OPERATIONS OF THE NARROFLEX PLANT OR PREVENT

THE DIVERSION CHANNEL AT ALL TIMES DURING THE CONTRACT. THE CONTRACTOR SHALL

1. THE CONTRACTOR SHALL MAINTAIN THE TEMPORARY CONSTRUCTION ACCESS ROAD TO

NOTES TEMPORARY CONSTRUCTION ACCESS:

NARROFLEX INC.

G003

H T O

F W

A Y P

L A

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T E

M P

O R

A R

Y C

O N

S T

R U

C T

N A

C C

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C H

E C

K E

D B

A W

A R

D D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

G T

O N

N O

R T

H C

A R

O L

A R

G T

O N A

V E

N U

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G T

O N D

T R

T U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

C R

E E

C H

C R

E E

C H

M A

N N

C O

N T

R A

C T N

B N

S O

U T

H M

A Y

O R

E R R

E H

A B

A T

P A

T R

K C

O U

N T

S O

U T

H M

A Y

O R

E R F

L O

O D R

E D

U C

N P

R O J E

C T

G R

E G

O R

Z E

W S

K I

W P

RAMP AREA

SOIL ACCESS

OHEOHE

EL 1

.38 E 1

5.6

.92SOUTH

MAYO

DIS

K2 (S

ET)

ORIG

UNKNOWN

INV. O

5.1

12"

RCP

HEADWALL

WIT

H 0.7 ' W

IDE

CONCRETE

CB CB

O H E

OHE

O H E

INV.

OUT

6.6

15"

RCP

HEADWALL WIT

0.7 ' W

IDE C

ONCRETE

UNKNOWN

INV.

OUT

7.3

18"

RCP

INV.

OUT

6.9

INV.

7.3

15"

CMP

EL 1

.64 E 1

6.1

.56SOUTH

MAYO

DIS

(SET)

SSSS

R C P

M P

FLOW

SOUTH MAYO RIVER

0 50

SCALE: 1" =100'

100 200

SM - 26

SM - 25

SM - 24

SM - 23

SM - 22

SM - 21

SM - 20

SM - 19

SM - 18

SM - 17

SM - 16

SM - 15

SM - 14

SM - 13

SM - 12

SM - 11

SM - 10

SM - 9

SM - 8

SM - 7

SM - 6

SM - 5

SM - 4

SM - 3

SM - 2

SM - 1

POINT

3394389.411

3394466.137

3394529.193

3394647.443

3394723.481

3394854.124

3394978.923

3394885.654

3395067.855

3395255.223

3395265.839

3395492.857

3395461.411

3395436.698

3395393.237

NORTHING

10966356.110

10966314.430

10966138.340

10965981.710

10965861.230

10965926.540

10965529.020

10965531.190

10965064.840

10964659.280

10964636.310

10964009.080

10964015.530

10964019.790

10964023.200

EASTING

SM - 41

SM - 40

SM - 39

SM - 38

SM - 37

SM - 36

SM - 35

SM - 34

SM - 33

SM - 32

SM - 31

SM - 30

SM - 29

SM - 28

SM - 27

POINT

3394719.745

3394905.115

3394959.232

3395000.599

3395051.511

3395074.470

3395046.428

3395046.797

3395003.475

3395225.271

3395388.607

3395447.007

3395520.556

3395568.970

3395623.616

3395720.924

3395822.621

3395808.910

3395794.210

3395789.736

3395778.840

3395777.051

3395776.699

3395772.895

3395771.350

3395766.970

NORTHING

10966476.340

10966198.180

10966068.550

10966078.890

10965934.580

10965867.840

10965857.770

10965856.290

10965838.330

10965184.840

10964837.880

10964719.380

10964571.230

10964428.390

10964270.200

10964153.240

10964144.520

10964126.810

10964094.850

10964060.980

10964015.660

10963995.990

10963984.680

10963969.520

10963950.210

10963928.590

EASTING

RIGHT SIDE

RIGHT OF WAY COORDINATES

LEFT SIDE

RIGHT OF WAY COORDINATES

EXISTING RIPRAP

EXISTING CONC. WEIR STRUCTURE

PROJECT RIGHT OF WAY LIMITS

PROPOSED EXCAVATION LIMITS

PROPOSED CENTERLINE

LEGEND

ROW ROW

ROW

ROW ROW

ROW

ROWROWROWROWROWROW

R O

ROW

N A

A G

O U

T H

CONC. WEIR

EXISTING

GROUND

EXISTING

SEE NOTE 2).

(REMOVE AND REPLACE

EXISTING RIPRAP

T C

OHE

ROW

M A

T C

H L

E S

T A . 2

H E

E T C

IS ANTICIPATED AS PART OF THE DIVERSION CHANNEL EXCAVATION.

DIVERSION CHANNEL AND POSSIBLE WITHIN THE SEDIMENT DEPOSITS. NO CONTAMINATED MATERIAL

TYPES OF MATERIALS SUCH AS TRASH, DEBRIS AND RUBBISH MAY ALSO BE PRESENT WITHIN THE

ACCUMULATED WITHIN THE EXISTING DIVERSION CHANNEL FROM PAST FLOODING EVENTS. OTHER

3. THE MATERIAL TO BE EXCAVATED PRIMARILY CONSISTS OF SEDIMENT DEPOSITS THAT HAS

TO A DISPOSAL AREA SUBJECT TO THE APPROVAL OF THE CONTRACTING OFFICER.

PLACEMENT OF THE NEW RIPRAP. ANY EXISITNG RIPRAP NOT USED SHALL BE REMOVED OFFSITE

EXISTING RIPRAP REMOVED MAY BE TEMPORARILY STOCKPILED ON SITE FOR REUSE IN THE

WITH NEW RIPRAP TO THE ORIGINAL DIMENSION, THICKNESS AND ELEVATION INDICATED. THE

STRUCTURE TO THE PROPOSED FINISHED GRADE SHOWN ON PROFILE BELOW AND REPLACE

DIVERSION CHANNEL BOTH UPSTREAM AND DOWNSTREAM OF THE EXISTING CONCRETE WEIR

2. THE CONTRACTOR SHALL REMOVE THE EXISTING RIPRAP WITHIN THE ENTIRE LIMITS OF THE

OF THE EXISTING CONCRETE WEIR STRUCTURE AND TO THE GRADE SHOWN.

WITHIN THE EXISTING DIVERSION CHANNEL BOTH UPSTREM AND DOWNSTREAM

1. CONTRACTOR SHALL REMOVE EXISTING SEDIMENT THAT HAS ACCUMULATED

NOTES:

OF BRIDGE (I-BEAM)

APPROX. LOW POINT

FLOW

CONCRETE PIER (TYP)

SOUTH

MAYO

RIV

S O

C C

LIMITS

EXCAVATION

PROPOSED

EXISTING DIVERSION CHANNEL

ARRO

FLEX, IN

STA. 22+62.83

P C

PI 25+99.28

P T

PI 29+12.59

P C

P T

S T

A . 2

S T

A . 2

S T

REPLACED)

(BURIED TO BE

PROTECTION

EXISTING RIPRAP

T C

LIGHT POLE

POWER POLE

STORM SEWER CATCH BASIN

STORM SEWER MAN HOLE

SANITARY SEWER MANHOLE

LEGEND

TEMPORARY TURBIDITY CURTAIN

PROPOSED SEDIMENT EXCAVATION LIMITS

EXISTING OVERHEAD ELECTRIC LINE

INTERMEDIATE CONTOUR

INDEX CONTOUR

EXISTING WEIR RIPRAP PROTECTION

EXISTING CONC. WEIR STRUCTURE

PROJECT RIGHT OF WAY LIMITS

PROPOSED CENTERLINE

LEGEND

0 3 6 12

0 15 30 60

SCALE: 1" =6' (VERT.)

SCALE: 1" =30' (HORIZ.)

GRADE

FINISHED

CONVERSION TO NAVD88= 1177.64FT. OBSERVED ELEVATION= 1177.58FT. NAVD88.

6. WEIR ELEVATION FROM ORIGINAL CONSTRUCTION PLANS= 1178.00FT. NGVD29.

5. NO UNDERGROUND UTILITIES MARKED OR LOCATED.

Z 1187.38 Z 1191.64

E 10964145.62 E 10963986.12

N 3395682.92 N 3395603.56

SOUTH MAYO-DISK2 SOUTH MAYO-DISK1

4. LOCAL PROJECT CONTROL POINTS:

3. VERTICAL DATUM: NAVD 1988, US SURVEY FEET. (GEOID 12B)

NAD 1983 (2011), US SURVEY FEET.

2. HORIZONTAL DATUM: VIRGINIA SOUTH STATE PLANE COORDINATE SYSTEM,

1. FELD SURVEY CONDUCTED 28-30 MARCH 2018 BY USACE, WILMINGTON DISTRICT

NOTES:

S o u th

M a y o S it e P la n .d g n

T = 99.51'

R = 395.14'

E = 10964214.3715

N = 3395501.5090

PI 25+99.28

T = 35.53'

R = 572.96'

E = 10964522.7708

N = 3395426.6275

PI 29+12.59

WATER

SURFACE

ELEVATIO

7.2

VA HWY 8

EXISTING RIPRAP

EL. 1

.74

OBSERVED

E 1

6.9

.86"A2

ESET"

11901190

22+00 22+50 23+00 23+50 24+00 24+50 25+00 25+50 26+00 26+50 27+00 27+50 28+00 28+50 29+00 29+50 30+00

STATION

PVI 22+62.83

ELEV 1176.10

PVI 25+99.29

ELEV 1173.25

-0.847%

ELEV 1171.37

STA. 29+95

-0.475%

C101

S T

A T

O S

T A

R E

H A

A T

N D

E R

N C

H A

N N

E L

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C H

E C

K E

D B

A W

A R

D D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

G T

O N

N O

R T

H C

A R

O L

A R

G T

O N A

V E

N U

E W

G T

O N D

T R

T U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

C R

E E

C H

E S

D R

A W

G T

L E

C R

E E

C H

M A

N N

C O

N T

R A

C T N

B N

W P

M -1

-B -0

S O

U T

H M

A Y

O R

E R R

E H

A B

A T

P A

T R

K C

O U

N T

S O

U T

H M

A Y

O R

E R F

L O

O D R

E D

U C

N P

R O J E

C T

G R

E G

O R

Z E

W S

S T

.38 E 1

5.6

.92SOUTH

MAYO

DIS

UNKNOWN

INV. O

5.1

12"

RCP

HEADWALL

WIT

H 0.7 ' W

INV.

OUT

6.6

15"

RCP

HEADWALL WIT

0.7 ' W

UNKNOWN

INV.

OUT

7.3

18"

RCP

INV.

OUT

6.9

INV.

7.3

15"

CMP

EL 1

.64 E 1

6.1

.56SOUTH

MAYO

DIS

R C P

ROW

TEMPORARY TURBIDITY CURTAIN

PROPOSED SEDIMENT EXCAVATION LIMITS

EXISTING OVERHEAD ELECTRIC LINE

INTERMEDIATE CONTOUR

INDEX CONTOUR

EXISTING WEIR RIPRAP ROTECTION

EXISTING CONC. WEIR STRUCTURE

PROJECT RIGHT OF WAY LIMITS

PROPOSED CENTERLINE

LEGEND

1160 1160

30+00 30+50 31+00 31+50 32+00 32+50 33+00 33+50 34+00 34+50 35+00 35+50 36+00 36+50 37+00 37+50 38+00 38+50

Baseline

-0.475%

1155 1155

ELEV 1171.37

STA. 29+95

ELEV 1167.43

STA. 38+25

S T

H E

E T C

S T

A . 3

H E

E T C

GROUND

EXISTING

5. NO UNDERGROUND UTILITIES MARKED OR LOCATED.

Z 1187.38 Z 1191.64

E 10964145.62 E 10963986.12

N 3395682.92 N 3395603.56

SOUTH MAYO-DISK2 SOUTH MAYO-DISK1

4. LOCAL PROJECT CONTROL POINTS:

3. VERTICAL DATUM: NAVD 1988, US SURVEY FEET. (GEOID 12B)

NAD 1983 (2011), US SURVEY FEET.

2. HORIZONTAL DATUM: VIRGINIA SOUTH STATE PLANE COORDINATE SYSTEM,

1. FELD SURVEY CONDUCTED 28-30 MARCH 2018 BY USACE, WILMINGTON DISTRICT

NOTES:

OHE

ROW

M A

T C

H L

E S

T A

H E

E T C

M A

T C

H L

E S

T A . 3

H E

E T C

THE CHAIN LINK FENCE UPON COMPLETION OF THE WORK.

FENCE FOR TEMPORARY CONSTRUCTION ACCESS. THE CONTRACTOR SHALL RE-INSTALL

2. THE CONTRACTOR SHALL REMOVE A PORTION OF THE EXISTING 4' HIGH CHAIN LINK

WITHIN THE EXISTING DIVERSION CHANNEL TO THE GRADE SHOWN.

1. CONTRACTOR SHALL REMOVE EXISTING SEDIMENT THAT HAS ACCUMULATED

NOTE:

LIMITS

EXCAVATION

PROPOSED

NARR

OFL

EX,

INC

PI 31+71.09 PI 36+67.16

S T

EXISTING DIVERSION CHANNEL

LIGHT POLE

POWER POLE

STORM SEWER CATCH BASIN

STORM SEWER MAN HOLE

SANITARY SEWER MANHOLE

LEGEND

0 3 6 12

0 15 30 60

SCALE: 1" =6' (VERT.)

SCALE: 1" =30' (HORIZ.)

N A

A G

O U

T H

GRADE

FINISHED

S o u th

M a y o S it e P la n .d g n

E = 10964764.5960

N = 3395335.0340

PI 31+71.09 E = 10965229.4395

N = 3395161.7916

PI 36+67.16

C O

STR

U C

TIO

N A

C C

ESS

TEM

R A

R Y

AIN

EXISTING RIPRAP

E N

E 2

AIN

IST

ING

HIG

IST

ING

HIG

C102

A T

O S

T A

R E

H A

A T

N D

E R

N C

H A

N N

E L

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C H

E C

K E

D B

A W

A R

D D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

G T

O N

N O

R T

H C

A R

O L

A R

G T

O N A

V E

N U

E W

G T

O N D

T R

T U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

C R

E E

C H

C R

E E

C H

M A

N N

C O

N T

R A

C T N

B N

W P

M -1

-B -0

S O

U T

H M

A Y

O R

E R R

E H

A B

A T

P A

T R

K C

O U

N T

S O

U T

H M

A Y

O R

E R F

L O

O D R

E D

U C

N P

R O J E

C T

G R

E G

O R

Z E

W S

ROW

R O

ROW ROW R

ROW

R O

ROW

R O

ROW

38+00 38+50 39+00 39+50 40+00 40+50 41+00 41+50 42+00 42+50 43+00 43+50 44+00 44+50 45+00

PVI 42+00.00

ELEV 1165.65 PVI 44+31.43

ELEV 1164.52

-0.500%

-0.475%

ELEV 1167.43

STA. 38+25

S T

H E E T

GROUND

EXISTING

OHE

ROW

M A T

S T

A . 3

H E E T

T S F

TSF

T S F

LIMITS

EXCAVATION

PROPOSED

TEMPORARY CONSTRUCTION ACCESS

ACCESS RAMP

MAINTENANCE

EXISTING

PI 45+84.16

P T

P C

T C

TCA

T C

NOT IN CONTRACT

EXISTING BENCH CUT

EXISTING DIVERSION CHANNEL

LIGHT POLE

POWER POLE

STORM SEWER CATCH BASIN

STORM SEWER MAN HOLE

SANITARY SEWER MANHOLE

LEGEND

TEMPORARY SILT FENCE

TEMPORARY DIVERSION DIKE

TEMPORARY TURBIDITY CURTAIN

PROPOSED SEDIMENT EXCAVATION LIMITS

EXISTING OVERHEAD ELECTRIC LINE

INTERMEDIATE CONTOUR

INDEX CONTOUR

EXISTING RIPRAP

EXISTING CONC. WEIR STRUCTURE

PROJECT RIGHT OF WAY LIMITS

PROPOSED CENTERLINE

LEGEND

0 3 6 12

0 15 30 60

SCALE: 1" =6' (VERT.)

SCALE: 1" =30' (HORIZ.)

TDD

TSF

N A

A G

O U

T H

GRADE

FINISHED

WITHIN THE EXISTING DIVERSION CHANNEL TO THE GRADE SHOWN.

1. CONTRACTOR SHALL REMOVE EXISTING SEDIMENT THAT HAS ACCUMULATED

NOTE:

S o u th

M a y o S it e P la n .d g n

T C

5. NO UNDERGROUND UTILITIES MARKED OR LOCATED.

Z 1187.38 Z 1191.64

E 10964145.62 E 10963986.12

N 3395682.92 N 3395603.56

SOUTH MAYO-DISK2 SOUTH MAYO-DISK1

4. LOCAL PROJECT CONTROL POINTS:

3. VERTICAL DATUM: NAVD 1988, US SURVEY FEET. (GEOID 12B)

NAD 1983 (2011), US SURVEY FEET.

2. HORIZONTAL DATUM: VIRGINIA SOUTH STATE PLANE COORDINATE SYSTEM,

1. FELD SURVEY CONDUCTED 28-30 MARCH 2018 BY USACE, WILMINGTON DISTRICT

SURVEY NOTES:

T C

TEMPORARY SILT FENCE

TEMPORARY DIVERSION DIKE

TURBIDITY CURTAIN

T = 60.95'

R = 477.46'

E = 10966102.0219

N = 3394879.8538

PI 45+84.16

M A

Y O R

E R T

R A

M A Y O R

E R

STA

C103

S T

A T

O S

T A

R E

H A

A T

N D

E R

N C

H A

N N

E L

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C H

E C

K E

D B

A W

A R

D D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

G T

O N

N O

R T

H C

A R

O L

A R

G T

O N A

V E

N U

E W

G T

O N D

T R

T U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

C R

E E

C H

C R

E E

C H

M A

N N

C O

N T

R A

C T N

B N

W P

M -1

-B -0

S O

U T

H M

A Y

O R

E R R

E H

A B

A T

P A

T R

K C

O U

N T

S O

U T

H M

A Y

O R

E R F

L O

O D R

E D

U C

N P

R O J E

C T

G R

E G

O R

Z E

W S

K I

WITH (IAW) SPECIFICATION SECTION .

GRASSING ESTABLISHED IN ACCORDANCE

(5) PERMANENT SEEDING, MULCHING AND

MULCHING.

(4) TEMPORARY AND PERMANENT SEEDING,

DIVERSION CHANNEL

(3) SEDIMENT REMOVAL OPERATIONS

EQUIPMENT PARKING AREAS

ENTRANCE, CONSTRUCTION ROUTES,

(2) CONSTRUCTION ACCESS, CONSTRUCTION

ADJUST TO EXISTING FIELD CONDITIONS.

DIRECTED BY THE CONTRACTING OFFICER.

CURTAINS, AS SHOWN ON PLAN AND/OR

TEMPORARY SILT FENCES, TURBIDITY

(1) INSTALL TEMPORARY DIVERSION DIKES,

TYPICAL LAYOUT

TURBIDITY CURTAIN

DETAIL TYPE III

NOT TO SCALE

10' MIN.

C104

O S

N T R

O L

E T

S T E

M P

O R

A R

SHALL BE 10 GAUGE MINIMUM.

TOP AND BOTTOM STRAND

SEE SPECIFICATIONS FOR ADDITIONAL REQUIREMENTS

(6' MAX.) EXTRA STRENGTH FABRIC WITHOUT WIRE FENCE

8' MAX STANDARD STRENGTH FABRIC WITH WIRE FENCE

MINIMUM.

BE 14 GAUGE

WIRES SHALL

VERTICAL

MIDDLE AND

2' PENETRATION

STEEL POSTS

TEMPORARY SILT FENCE NOTES:

FENCE FABRIC SHALL BE A MINIMUM OF 32" IN WIDTH AND

SHALL HAVE A MINIMUM OF 6 LINE WIRES WITH 12" STAY

SPACING.

FILTER FABRIC SHALL HAVE A MINUMUM OF 36" WIDTH.

FILTER FABRIC SHALL BE FASTENED ADEQUATELY TO

THE FENCE FABRIC AS DIRECTED BY THE CONTRACTING OFFICER.

STEEL POSTS SHALL BE 5 FEET IN HEIGHT AND BE OF THE

SELF-FASTENER ANGLE STEEL TYPE.

TEMPORARY SILT FENCE SHALL BE INSTALLED IN ACCORDANCE WITH4

THE TRENCH

FORWARD ALONG

8" DOWN & 4"

FILTER FABRIC

NOT TO SCALE

STEEL POST

POST

STEEL

WIRE FABRIC

FILTER FABRIC

FABRIC

WIDTH FILTER

36" MIN

6"MIN.

F A

B R

8"MIN.

COMPACT THOROUGHLY

BAKFILL TRENCH AND

ALONG TRENCH.

8" DOWN AND 4" FORWARD

ANCHOR FILTER FABRIC SKIRT

GROUND LINE

FILL SLOPE

4"MIN.

P A V E D R

O A D S

B O

R D E R

G P

R O

C T S

MIN.

70'

FILTER FABRIC

NOT TO SCALE

* THIS DISTANCE IS VARIABLE

NOT TO SCALE

STREAMBANK

VDOT #1 COARSE AGREGATE

TEMPORARY STONE CONSTRUCTION ENTRANCE/EXIT (VDCR ESCM STD. 3.02)

TEMPORARY SILT FENCE (TSF) (VDCR ESCM STD. 3.05)

TYPICAL TURBIDITY CURTAIN (VDCR ESCM STD. 3.27)

SOUTH MAYO RIVER

CURTAIN

TURBIDITY

TYP.

100'

AREA

EXCAVATION

CHANNEL

DIVERSION

ANCHOR PT.

S o u th a y o E

C D e ta ils .d g n

NOT TO SCALE

TEMPORARY DIVERSION DIKE (TDD) (VDCR ESCM STD. 3.09)

DIVERSION CHANNEL (EXISTING)

TYP

CONSTRUCTION ACTIVITY

TABLE 1 - CONSTRUCTION SCHEDULING

SCHEDULE CONSIDERATION

VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.

STD. & SPEC 3.27, TYPE III�CONFIGURATION (PLATE 3.27-2).

VDCR VIRGINIA�EROSION AND SEDIMENT CONTROL HANDBOOK

THE TURBIDITY CURTAIN SHALL CONFORM TO THE REQUIREMENTS OF

NOTE:

STRESS BAND

NOT TO SCALE

TREE PROTECTION DETAIL

E N

A M

S M

-1

D R

A W

G C

O D

D R

A W

N B

D E

N E

D B

D E

S C

M A

R K

S U

B M

T E

D B

D A

T E

C H

E C

K E

D B

A W

A R

D D

A T

2 3 4 5 6 7 8 9 10

SHEET ID

®of Engineers

US Army Corps

G T

O N

N O

R T

H C

A R

O L

A R

G T

O N A

V E

N U

E W

G T

O N D

T R

T U .S

A R

M Y C

O R

P S O

F E

N G

E E

R S

C R

E E

C H

C R

E E

C H

M A

N N

C O

N T

R A

C T N

B N

W P

M -1

-B -0

S O

U T

H M

A Y

O R

E R R

E H

A B

A T

P A

T R

K C

O U

N T

S O

U T

H M

A Y

O R

E R F

L O

O D R

E D

U C

N P

R O J E

C T

G R

E G

O R

Z E

W S

K I

TURBIDITY CURTAIN FABRIC

TABLE PHYSICAL PROPERTIES

MUST BE INCLUDED

REQUIREMENT

UV INHIBITOR

GRAB TENSILE STRENGTH, LBS.

WEIGHT/OZ./SQ. YD.:

THICKNESS, MILS

PHYSICAL PROPERTY

C104

C H A N N E L

E R S

NOTES CONSTRUCTION ENTRANCE/EXIT:

SHALL BE REMOVED IMMEDIATELY.

WASHED, OR TRACKED FROM VEHICLES OR SITE ONTO ROADWAYS OR INTO STORM DRAINS

OF ANY STRUCTURES USED TO TRAP SEDIMENT. ALL MATERIALS SPILLED, DROPPED,

VDOT #1 COARSE AGGREATE, AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT

OF MUD ONTO PUBLIC STREETS OR RIGHTS-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH

THE ENTRANCE/EXIT SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW

PVC SLOT -CONNECTOR

IN. CHAIN 16

TO REDUCE STRAIN)

(ON BOTH SIDES OF CURTAIN

5#16 VINYL COATING CABLE

#24 SAFETY HOOK STRESS PLATE

4'-0" O.C.

MINIMUM

GRADE

ATTACH SIGN

TO POST

ORANGE, UV RESISTANT

HIGH TENSILE STRENGTH

POLYETHYLENE LAMINAR

BARRICADE FABRIC

2'-0" MIN.

4'-0"

MINIMUM

TREE

PROTECTION

ZONE

KEEP OUT

E D

G E O

F D

T U

R B

E D A

R E

D R

PROJECT.

5. TREE PROTECTION FENCING SHALL BE MAINTAINED THROUGHOUT THE DURATION OF THE

FENCING.

4. THERE SHALL BE NO STORAGE OF MATERIAL WITHIN THE BOUNDARIES OF THE TREE PROTECTION

"TREE PROTECTION ZONE, KEEP OUT".

THE SIGN MUST CONTAIN THE FOLLOWING LANGUAGE IN BOTH ENGLISH & SPANISH:

SIGN MUST BE A MINIMUM OF 2' x 2' AND BE VISIBLE FROM BOTH SIDES OF THE FENCE.

3. SPACE TREE PROTECTION ZONE SIGNS A MINIMUM OF ONE EVERY 300 FEET. THE SIZE OF EACH

SHOWN ON PLANS, PRIOR TO COMMENCEMENT OF CONSTRUCTION.

2. INSTALL TREE PROTECTION FENCE AT TREE DRIP LINE OR AT EDGE OF DISTURBED AREA,

1. ALL PLANTS DESIGNATED TO BE SAVED SHALL BE PROTECTED BY FENCING, AS ILLUSTRATED.

:NOTES

:FENCE MATERIAL

STEEL POST (1.33 lbs/LF )

FAILURE OF THE CURTAIN DUE TO THE STRESSES IMPARTED ON THE MIDDLE SECTION OF THE CURTAIN.

FOR THE CURTAIN. ATTACHING THE ANCHORS TO THE BOTTOM OF THE CURTAIN COULD CAUSE PREMATURE

ANCHORING LINE ATTACHED TO THE FLOATATION DEVICE ON THE DOWNSTREAM SIDE WILL ROVIDE SUPPORT

11. ALWAYS ATTACH ANCHOR LINES TO THE FLOTATION DEVICE. NOT TO THE BOTTOM OF THE CURTAIN. THE

SHOULD BE FOLLOWED.

CURRENT VELOCITY AND POTENTIAL WIND AND WAVE ACTION; MANUFACTURER'S RECOMMENDATIONS

AND MUST BE CHECKED REGULARLY TO MAKE SURE THEY DO NOT BECOME ENTANGLED WITH DEBRIS.

AND CURTAIN TO FLOAT FREELY WITH TIDAL CHANGES WITHOUT PULLING THE BUOY OR CURTAIN DOWN

USED WITH TYPE III INSTALLATIONS, THESE LINES MUST CONTAIN ENOUGH SLACK TO. ALLOW THE BUOY

THE ANCHOR LINE WOULD THEN RUN FROM THE BUOY TO THE TOP LOAD LINE OF THE CURTAIN. WHEN

(MUSHROOM TYPE) AND SHOULD BE ATTACHED TO A FLOATING ANCHOR BUOY VIA AN ANCHOR LINE.

ANCHOR MAY DIG INTO THE BOTTOM (GRAPPLING HOOK, PLOW OR FLUKE-TYPE) OR MAY BE WEIGHTED

THE BOTTOM OF THE WATERCOURSE WITHOUT INTERFERING WITH THE ACTION OF THE CURTAIN. THE

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

SHALL BE USED.

DIAMETER WOOD OR 1.33 POUNDS/LINEAR FOOT STEEL). FOR TYPE III INSTALLATION BOTTOM ANCHORS

9. EXTERNAL ANCHORS MAY CONSIST OF WOODEN OR METAL STAKES (2- X 4-INCH OR 2-1/2-INCH MINIMUM

TURBIDITY CURTAIN NOTES CONTINUED:

THE FULL BREAKING STRENGTH FOR CONNECTING TO LOAD LINES IN ADJACENT SECTIONS.

AS NECESSARY. THE LOAD LINES SHALL HAVE SUITABLE CONNECTING DEVICES WHICH DEVELOP

HOLD THE CURTAIN IN A VERTICAL POSITION. ADDITIONAL ANCHORAGE SHALL BE PROVIDED

THE BOTTOM HEM OF THE CURTAIN OF SUFFICIENT WEIGHT TO SERVE AS BALLAST TO

SUPPLEMENTAL (BOTTOM) LOADLINE SHALL CONSIST OF A CHAIN INCORPORATED INTO

STEEL CABLE AND SHALL HAVE A BREAK STRENGTH IN EXCESS OF 10,000 POUNDS. THE

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

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

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

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

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

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

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

DEVELOP THE FULL STRENGTH OF THE FABRIC.

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

5. THE CURTAIN FABRIC MUST MEET THE MINIMUM REQUIREMENTS NOTED IN TABLE.

RECOMMENDED).

4. BARRIERS SHOULD BE A BRIGHT COLOR (YELLOW OR "INTERNATIONAL" ORANGE ARE

THE AREA WHERE SEDIMENT MAY ENTER THE WATER.

SHORELINE (PREFERABLY TO RIGID BODIES SUCH AS TREES) TO FULLY ENCLOSE

CONDITIONS ARE EXPECTED. THE ENDS SHOULD BE SECURED FIRMLY TO THE

SHOULD EXTEND WELL UP INTO THE STREAMBANK ESPECIALLY IF HIGH WATER

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

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

AND SHALL BE USED TO ACHIEVE THE REQUIRED DEGREE OF CONTROL.

MEASURES AS SPECIFIED IN THE EROSION AND SEDIMENT CONTROL HANDBOOK

AND SPECIFICATIONS FOR EROSION AND SEDIMENT CONTROL PRACTICES AND

1. THE SEDIMENT CONTROL PLAN MUST COMPLY WITH THE VIRGINIA STANDARDS

TURBIDITY CURTAIN NOTES:

PRIOR TO COMMENCING CONSTRUCTION WORK.

3. THE CONTRACTOR SHALL INSTALL ALL EROSION AND SEDIMENT CONTROL MEASURES

LOCAL LAWS AND REGULATIONS.

SEDIMENT CONTROL MEASURES IN ACCORDANCE WITH FEDERAL, STATE, AND

2. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING EROSION AND

SEDIMENT RUNOFF FROM THE CONSTRUCTION SITE.

AND MAINTAINED BY THE CONTRACTOR CONTROLS THE EROSION AND

IN SUCH A MANNER THAT THE EROSION AND SEDIMENT MEASURES SELECTED

1. THE CONTRACTOR'S CONSTRUCTION ACTIVITIES SHALL BE SCHEDULED

EROSION AND SEDIMENT CONTROL NOTES:

STABILIZED IAW SPECIFICATIONS SECTION.

FINAL LEVEL OF PROTECTION UNTIL ALL AREAS HAVE BEEN

DEVICES. TEMPORARY SILT FENCE TO REMAIN AS THE

ACTIVITY OF THE REMOVAL OF THE EROSION CONTROL

ALL DISTURBED AREAS CAUSED BY THE ASSOCIATED

CURTAIN. STABILIZE, PERMANENT SEEDING, MULCHING

REMOVE TEMPORARY DIVERSION DIKES, TURBIDITY

STABILIZE ALL OPEN AREAS AND HAUL ROUTES.

WHERE WORK IS DELAYED OR COMPLETE.

MEASURES IMMEDIATELY ON ALL DISTURBED AREAS

APPLY TEMPORARY OR PERMANENT STABILIZATION

IN WORK AREAS.

PHASE THE SEDIMENT REMOVAL WORK TO RETAIN SEDIMENT

OPERATIONS PROGRESSES. THE CONTRACTOR IS TO

ADDITIONAL CONTROL MEASURES AS SEDIMENT REMOVAL

SEDIMENT CONTROL MEASURES ARE INSTALLED. INSTALL

BEGIN SEDIMENT REMOVAL OPERATIONS AFTER PRINCIPAL

NOT BE DISTURBED WITHIN 7 DAYS.

DISTURBED AREAS IMMEDIATELY THAT WILL

TEMPORARY OR PERMANENT SEEDING ALL

THE CONTRACT DRAWINGS. PROVIDE

INSTALL EROSION CONTROL MEASURES SHOWN ON

CONSTRUCTION

SHALL BE INSTALLED PRIOR TO THE START OF

THE EROSION AND SEDIMENT CONTROL STRUCTURES

SEDIMENT CONTROL PLAN FOR THE TEMPORARY STAGING/STOCKPILE AREA IS APPROVED.

NO CONSTRUCTION WORK CAN START UNTIL THE CONTRACTOR'S EROSION AND

TO THE START OF ANY CONSTRUCTION ON THE SITE TO THE CONTRACTING OFFICER.

SEDIMENT CONTROL PLAN FOR THE TEMPORARY STAGING/STOCKPILE AREAS PRIOR

10. THE CONTRACTOR SHALL SUBMIT FOR REVIEW AND APPROVAL THE EROSION AND

MORE THAN ONE YEAR.

STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR

BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS, AND PERMANENT

WITHIN SEVEN DAYS TO ALL DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE

ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED

TO ALL DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON

9. THE CONTRACTOR SHALL APPLY PERMANENT OR TEMPORARY SOIL STABILIZATION

WITH SPECIFICATION SECTION 32 92 19.

GRADED AS PART OF THIS CONTRACT ARE TO BE SEEDED IN ACCORDANCE

DITCHES AND ALL OTHER OPEN EARTH AREAS SCARRED, DISTURBED, OR

8. ALL OPEN EARTH AREAS INCLUDING SLOPES NOT RIPRAPPED, SWALES,

SPECIFICATION SECTION 01 57 19.

HIS/HER DESIGNATED REPRESENTATIVE AND IN ACCORDANCE WITH

NEEDED AND SUBJECT TO THE APPROVAL OF THE CONTRACTING OFFICER OR

TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE NO LONGER

REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE

7. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE

CONTROL HANDBOOK" DATED 1992 AND ANY REVISIONS THEREAFTER.

WITH THE REQUIREMENTS OF THE "VIRGINIA EROSION AND SEDIMENT

PERMANENT EROSION AND SEDIMENT CONTROL MEASURES IN ACCORDANCE

6. THE CONTRACTOR SHALL CONSTRUCT AND INSTALL TEMPORARY AND

OPERATIONS SHOULD BE KEPT TO A MINIMUM.

5. THE AREA OF BARE SOIL EXPOSED AT ANY ONE TIME BY CONSTRUCTION

MEASURES INSTALLED AT THE SITE.

PROBLEMS ASSOCIATED WITH THE EROSION AND SEDIMENT CONTROL

DESIGNATED REPRESENTATIVE IN THE EVENT OF ANY EMERGENCIES OR

4. THE CONTRACTOR SHALL NOTIFY THE CONTRACTING OFFICER OR HIS/HER

EROSION AND SEDIMENT CONTROL NOTES CONTINUED:

FLOATION

D E

P T

H A

C C

O R

G T

O N

E E

D S

22 OZ NYLON REINFORCED VINYL

LAP LINK

100' (TYPICAL)

ANCHOR EVERY

WORK AREA

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R O

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N A

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T A . 2

IS ANTICIPATED AS PART OF THE DIVERSION CHANNEL EXCAVATION.

DIVERSION CHANNEL AND POSSIBLE WITHIN THE SEDIMENT DEPOSITS. NO CONTAMINATED MATERIAL

TYPES OF MATERIALS SUCH AS TRASH, DEBRIS AND RUBBISH MAY ALSO BE PRESENT WITHIN THE

ACCUMULATED WITHIN THE EXISTING DIVERSION CHANNEL FROM PAST FLOODING EVENTS. OTHER

3. THE MATERIAL TO BE EXCAVATED CONSISTS OF PRIMARILY OF SEDIMENT DEPOSITS THAT HAS