C-751.pdf

SYMBOL

CONSTRUCTION SPECIFICATIONS

LEVEL SPREADER

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

WIRE STAPLES AT LEAST 12 INCHES IN LENGTH.

AND BE SECURELY HELD IN PLACE WITH CLOSELY SPACED HEAVY DUTY

LOWER EDGE. THE UPPER EDGE SHOULD BUTT AGAINST SMOOTHLY CUT SOD

OVER THE LIP AND BURIED 6 INCHES DEEP IN A VERTICAL TRENCH ON THE

1. THE MATTING SHOULD BE A MINIMUM OF 4FT. WIDE EXTENDING 6 INCHES

CHANNEL TO THE SPREADER TO SMOOTHLY BLEND THE DIFFERENT DIMENSION

4. A 20 FOOT TRANSITION SECTION WILL BE CONSTRUCTED FROM THE DIVERSION

5. THE RUNOFF DISCHARGE WILL BE OUTLETED ONTO A STABILIZED VEGETATED

6. SEED AND MULCH THE DISTURBED AREA IMMEDIATELY AFTER CONSTRUCTION.

3. THE LIP SHALL BE CONSTRUCTED ON UNDISTURBED SOIL NOT FILL.

2. ENSURE THAT THE LIP IS LEVEL TO UNIFORMLY SPREAD DISCHARGE.

SLOPE NOT EXCEEDING 10%.

AND GRADES.

6" MIN. DEPTH

3.5'

CROSS SECTION

NOT TO SCALE

.5'

BURIED EDGE

STAPLE IN PLACE

MATTING

WIDTH VARIES 24' - 3'

3'

20' TRANSITION

PLAN VIEW

NOT TO SCALE

E N

T R

A N

C E

S

L

E

N

G

T

H

O

F

S

T

A

B

I

L

I

Z

E

D

O

U

T

L

E

T

S

W I D

T H

C

L

20-30 24 0.7 30

10-20 16 0.6 20

0-10 10 0.5 10

Q(cfs) E.W.(ft) D(ft) LENGTH(ft)

FLOW

EXISTING

STABILIZED

CHANNEL

RIPRAP OUTLET

PROTECTION EXAMPLE

SYMBOL

3' MIN.

6"

GRADED AGGREGATE

FILTER OR FILTER CLOTH

4"

NOTE:

SEE RIPRAP STANDARDS AND SPECIFICATIONS

MINIMUM TAILWATER CONDITIONS

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION,

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

CROSS SECTION A-A

GRADED AGGREGATE

FILTER OR FILTER CLOTH

PROFILE VIEW

w = d + 0.4 La d/2

1.0'

DISCH.

d/2 PIPE

RISER

A d

A w/2

La

PLANVIEW

S=0% d/2

6"MIN.

DISCHARGE TO

UNCONFINED SECTION

(FLARED OUTLET)

(MINIMUM TAILWATER

CONDITION)

w/2

E N

D W

A L

L

PROFILE

A

A

NO OVERFALL

NOTE: APRON @ ZERO GRADE

SIDE SLOPE 2:1

LAYER THICKNESS = 1.5 X d50

SURFACE ROUGHENING

DETAILS

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION,

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

DEBRIS FROM SLOPE ABOVE IS

CAUGHT BY STEPS

CUT STEPS WITH DRAINAGE

TO THE BACK. AVOID LOW

SPOTS.

GROOVE BY CUTTING FURROWS

ALONG THE CONTOUR.

IRREGULARITIES IN THE SOIL

SURFACE CATCH RAINWATER AND

RETAIN LIME, FERTILIZER AND SEED.

STAIR STEPPING CUT SLOPES

GROOVING SLOPES

GREATER THAN VERTICAL

2-3' (DEPENDING ON

MATERIAL)

D R

AIN

AG

E

6-15"

1-3"

SYMBOL

CONSTRUCTION SPECIFICATIONS

CHECK DAM

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION,

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

CHECK DAMS ARE NOT SUBJECT TO DAMAGE OR BLOCKAGE FROM DISPLACED STONE.

5. ENSURE THAT CHANNEL APPURTENANCES SUCH AS CULVERT ENTRANCES BELOW

AND EROSION WITH STONE OR LINER AS APPROPRIATE.

4. PROTECT THE CHANNEL DOWNSTREAM OF THE LOWEST CHECK DAM FROM SCOUR

3. EXTEND THE STONE A MINIMUM OF 1.5 FEET BEYOND THE DITCH BANKS TO

OF THE DOWNSTREAM DAM IS AT THE SAME ELEVATION OF THE TOE OF THE

2. SET SPACING OF CHECK DAMS TO ASSUME THAT THE ELEVATIONS OF THE CREST

1. STONE WILL BE PLACED ON A FILTER FABRIC FOUNDATION TO THE LINES,

MAXIMUM DRAINAGE AREA 2 ACRES.

UPSTREAM DAM.

PREVENT CUTTING AROUND THE DAM.

GRADES AND LOCATIONS SHOWN IN THE PLAN.

SAME ELEVATION

B

TOE

B

A

A

CREST

SPACING VARIES

DEPENDING ON

CHANNEL SLOPE

CUTOFF TRENCH

DESIGN BOTTOM

FILTER

FABRIC

CUTOFF TRENCH

18" WIDE

6" DEEP

PROFILE

NOT TO SCALE

SECTION B-B

NOT TO SCALE

SECTION A-A

NOT TO SCALE

24" MAX

@ CENTER

18"

6"

9"MIN.

24" MAX

@ CENTER

X

H

X =

H (Ft)

SLOPE (FT/FT)

S

L

O

P

E

GROUND LINE

DITCH BOTTOM

FILTER FABRIC

1.5'

MIN.

SYMBOL

CONSTRUCTION SPECIFICATIONS

STONE OUTLET

SEDIMENT TRAP ST-IV

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION,

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.

8. THE STRUCTURE SHALL BE REMOVED AND THE AREA STABILIZED WHEN THE

7. CONSTRUCTION OPERATIONS SHALL BE CARRIED OUT IN SUCH A MANNER THAT

6. THE STRUCTURE SHALL BE INSPECTED AFTER EACH RAIN AND REPAIRS MADE

5. SEDIMENT SHALL BE REMOVED AND TRAP RESTORED TO ITS ORIGINAL DIMEN-

SIONS WHEN THE SEDIMENT HAS ACCUMULATED TO 1/2 THE DESIGN DEPTH OF

SMALL RIPRAP OR EMBEDDED FILTER CLOTH IN THE RIPRAP.

A 1' THICKNESS OF 2" AGGREGATE PLACED ON THE UP-GRADE SIDE ON THE

4. THE STONE USED IN THE OUTLET SHALL BE SMALL RIPRAP 4"-8" ALONG WITH

3. ALL CUT AND FILL SLOPES SHALL BE 2:1 OR FLATTER.

1. AREA UNDER EMBANKMENT SHALL BE CLEARED, GRUBBED AND STRIPPED OF ANY

VEGETATION AND ROOT MAT. THE POOL AREA SHALL BE CLEARED.

COMPACTED BY TRAVERSING WITH EQUIPMENT WHILE IT IS BEING CONSTRUCTED.

MATERIAL OR OTHER OBJECTIONABLE MATERIAL. THE EMBANKMENT SHALL BE

OTHER WOODY VEGETATION AS WELL AS OVER-SIZED STONES, ROCKS, ORGANIC

2. THE FILL MATERIAL FOR THE EMBANKMENT SHALL BE FREE OF ROOTS AND

EROSION AND SEDIMENT ARE CONTROLLED.

MAXIMUM DRAINAGE AREA 5 ACRES

AS NEEDED.

THE TRAP. IT SHALL BE PLACED ON SITE AND STABILIZED.

EXISTING GROUND

A

2'APRON

UNDISTURBED AREA

A

OPTION: A ONE FOOT LAYER OF N.Y.S. DOT #2 STONE MAY BE PLACED ON THE UPSTREAM SIDE OF THE RIPRAP

INPLACE OF THE EMBEDDED FILTER CLOTH.

CROSS SECTION A-A

PROFILE

4'MIN.

2'APRON

L=4xD.A.

1'MIN.

5'MAX.

1'MAX.

1'MIN.

TOP OF

EMBANKMENT

SMALL

RIPRAP

F

L

O

W

FLOW

N.Y.S. DOT #2

STONE

(OPTIONAL)

N.Y.S. DOT

#2 STONE

EARTH

EMBANKMENT

EXCAVATE FOR

REQUIRED STORAGE

SMALL

RIPRAP

WEIR

CREST

1 1

SMALL

RIPRAP

SYMBOL

SYMBOL

CONSTRUCTION SPECIFICATIONS

CATCH BASIN

SEDIMENT TRAP ST-III

ADAPTED FROM DETAILS PROVIDED BY: USDA - NRCS,

NEW YORK STATE DEPARTMENT OF TRANSPORTATION,

NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION,

NEW YORK STATE SOIL & WATER CONSERVATION COMMITTEE

1. SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL

DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO 1/2 THE DESIGN

DEPTH OF THE TRAP. REMOVED SEDIMENT SHALL BE DEPOSITED IN A

SUITABLE AREA AND STABILIZED.

4. CONSTRUCTION OPERATIONS SHALL BE CARRIED OUT IN SUCH A MANNER

2. THE VOLUME OF SEDIMENT STORAGE SHALL BE 3600 CUBIC FEET PER ACRE

3. THE STRUCTURE SHALL BE INSPECTED AFTER EACH RAIN AND REPAIRS

OF CONTRIBUTORY DRAINAGE.

MADE AS NEEDED.

THE CONSTRUCTED DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.

MAXIMUM DRAINAGE AREA: 3 ACRES

6. ALL CUT SLOPES SHALL BE 1:1 OR FLATTER.

THAT EROSION AND SEDIMENT ARE CONTROLLED.

5. THE SEDIMENT TRAP SHALL BE REMOVED AND THE AREA STABILIZED WHEN

CROSS SECTION

1' MIN.

1:1 OR

FLATTER

F

L

O

W

YARD DRAIN

AS REQUIRED

1:1 OR

FLATTER

F

L

O

W

F

L

O

W

F

L

O

W

US Army Corps of Engineers ®

SHEET ID

U S

A

R M

Y

C

O R

P

F

E

N G

I N

E E

R S

N E

W

Y

O R

K

N E

W

Y

O R

K

N

Y

D R

A W

N

B

Y

D E

S I G

N E

D

B

Y

S U

B M

I T

T E

D

B

Y

S I Z

E

C H

E C

K E

D

B

Y

A N

S I

D

F I L

E

N

A M

E

I S

S U

E

D

A T

E

C O

N T

R A

C T

N

S O

L I C

I T

A T

I O

N

N

O

F I L

E

N

U M

B E

R

1 2 3 4 5

D

C

B

A

N C

O

A

C A

D E

M Y

M

P L

E X

M A

R K

D E

S C

R I P

T I O

N D

A T

E

F I L

E

N

A M

E

L

U

S A

C E

N

E W

R

K

D

I S

T R

I C

T

D

C

E

N

A

A

D E

M

S

I G

N

F

T

D

R U

M

N

Y

C

A D

B

I M

C

A D

C

P

L O

T T

E D

B

N

O R

M A

N

T

A N

Y A

O C

T O

B E

R

W D

S R

W D

K

U

S S

E R

Y

R

B

A I L

E Y

M

T

A R

D I F

T

N

O R

M A

N

E R

O S

I O

N

A

N

D

I M

E N

T

C

O N

T R

O L

D E

T A

I L S

C-751

C d w g

STONE OUTLET SEDIMENT TRAP (ST-IV)

NOT TO SCALE

CATCH BASIN SEDIMENT TRAP

NOT TO SCALE

LEVEL SPREADER

NOT TO SCALE

SURFACE ROUGHENING

NOT TO SCALE

RIPRAP OUTLET PROTECTION

NOT TO SCALE

STONE CHECK DAM

NOT TO SCALE

RIPRAP SIZE

OUTLET

V10 (FT/S)

6.30

TAILWATER

> 0.5d

La (FT.)

11.0

W (FT.)

6.0 d50 (IN.)

Q10 (CFS)

9.20 d (IN.) S (FT/FT)

0.010HW A0

OUTLET ID

24 3.85 > 0.5d 13.0 7.5 67.140.005HW B0

15 10.34 < 0.5d 20.0 9.5 1010.590.055HW D1

RIPRAP OUTLET PROTECT DESIGN TABLE

G E

N E

R A

L

R

E V

I S

I O

N S

G E

N E

R A

L

R

E V

I S

I O

N