23.03.10 - Monday Lick Details.pdf

ABOVE 40%

SIDESLOPE

8 INCHES

8 INCHES

SLOPE ROUNDING

IN COMMON MATERIAL

SLOPE ROUNDING

IN COMMON MATERIAL

TYPICAL TRAIL CROSS SECTIONS

FOREST SERVICE

U.S. DEPARTMENT OF AGRICULTURE

DRAWING NAME

911 - TREAD AND PRISM

CROSS SECTION & SLOPE FINISH

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_911-01

NO SCALE

TYPICAL

BALANCED SECTION

A

TREAD

WIDTH

0% TO 40%

SIDESLOPE

FULL BENCH SECTION

B

TREAD

WIDTH

C

L

C

L

GRN-1

ID

TYPICAL

36"

S

E

4-6 INCHES

SEE SECTION 912

CLEARING LIMITS

FOR DISPOSAL TYPE

WIDTH

TREAD

COMMENTS

TYPICAL TRAIL TREAD AND SHOULDER WIDTH

TYPE

SECTION

FINISH

TREAD

1A

COMMENTS

TREAD CROSS SLOPE

3-10

OUTSLOPE INSLOPE

T

SECTION

CROWNED

TRAILBED AND SLOPE FINISH

SLOPE FINISH TRAILBED FINISH

FINISH

TREAD

1/2"

2"

SLOPE AND TRAILBED FINISH

ROOTS

LOOSE

ROCK

EMBEDDED

ROCK

COMMENTS

MAXIMUM SIZE GIVEN IS FOR UNAVOIDABLE OBJECTS

T1

4-6 INCHES

S

1. SLASH CONSISTS OF LOGS, LIMBS, BRUSH, AND ROCKS PLACED

RANDOMLY IN A WAY TO CATCH SEDIMENT MOVEMENT.

2. LIMB ALL TREES AND SHRUBS AND TAMP SLASH INTO GROUND SO THAT

80% OF SLASH IS IN CONTACT WITH THE GROUND.

3. WORK IN THIS DRAWING TO BE INCIDENTAL TO TRAIL CONSTRUCTION (LF)

PAY ITEM.

NOTES:

BACKFILL WITH

SUITABLE MATERIAL

REMOVE ROOTS THAT PROTRUDE FROM THE

BACKSLOPE WITH DIAMETERS GREATER THAN

SHOWN IN THE SLOPE AND TRAILBED FINISH

TABLE.

REMOVE LOOSE ROCK ON THE TRAILBED. LOOSE

ROCK ALLOWED ONLY AT DISCRETION OF COR.

REMOVE OR REDUCE EMBEDDED ROCK THAT

PROTRUDES MORE THAN THE DIMENSIONS SHOWN IN

THE SLOPE AND TRAILBED FINISH TABLE.

TCS-1

ID

TYPICAL

TYPICAL ID

TSF/TCS

SEE SECTION 912

CLEARING LIMITS

FOR DISPOSAL TYPE

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

BLU-2 24""2B

T

BLK-1 18""3A

T

BLK-2 18"3B

T

N/A N/A

BLU-1 24""2A

T

1/2"

8" T2

1/2"

15" T3

MAXIMUM SIZE GIVEN IS FOR UNAVOIDABLE OBJECTS

MAXIMUM SIZE GIVEN IS FOR UNAVOIDABLE OBJECTS

*LOOSE ROCK ALLOWED ONLY AT DISCRETION OF COR

EXCEPT WHEN INSLOPED FOR POSITIVE CAMBER. MUST DRAIN

(TYPE 2 TRAILS)

(TYPE 1 TRAILS)

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FOREST SERVICE

U.S. DEPARTMENT OF AGRICULTURE

DRAWING NAME

912 - CLEARING LIMITS

CLEARING LIMITS-TREES AND LOGS

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_912-01

NO SCALE

CLEARING LIMIT

UPHILL

WIDTH

CLEARING LIMIT

DOWNHILL

WIDTH

CLEARING LIMITS - TREES AND LOGS

TRIM

BRANCHES

FLUSH WITH

TRUNK

CLEARING

HEIGHT

LEAVE TREES

DISTANCE

UPHILLDOWNHILL CLEARING

8'**

CLEARING LIMITS

METHOD

CLEARING

C 1

COMMENTS

GRN: 2", BLUE: 8", BLK: 15"

8" * UTILIZE D2 WHEN FILL PROTECTION IS DESIRED

LEAVE TREES

(INCHES)

DIAMETER

(FEET)

DISTANCE

METHOD

DISPOSAL

WIDTHWIDTH HEIGHT

TYPE

CLEARING

NEW CONSTRUCTION

CLEARING METHOD

METHOD

CLEARING

COMMENTS

C1

C2

CLEAR ZONE

UPHILLDOWNHILL

WIDTH WIDTH

>5"

TREES, PRUNING, & BRUSH

STUMPS

MAXIMUM

OBSTRUCTION HEIGHT

MAXIMUM

HEIGHT

C

L

LEAVE TREES

DISTANCE

MAXIMUM

OBSTRUCTION

HEIGHT

MAXIMUM

STUMP

HEIGHT

A

D

E F

G

H

A B C D E F G H

HAZARD TREE REMOVAL ALONG TRAIL CORRIDOR

DOWNHILL

CLEAR ZONE

WIDTH

UPHILL

CLEAR ZONE

WIDTH

HAZARD TREE

REMOVAL

WIDTH

HAZARD TREE

REMOVAL

WIDTH

B

C

D

HAZARD TREE

REMOVAL

WIDTH

I

I I

CUT

EMBEDDED

ROCK

LOOSE

ROCK

LEAVE TREES: LEAVE TREES SHOULD BE LIVE, SOUND & UNDAMAGED WITH

UNCOMPROMISED ROOT SYSTEMS.

HAZARD TREES: HAZARD TREES ARE TREES THAT ARE STANDING OR LEANING DEAD TREES

LARGER THAN 8 INCHES IN DIAMETER AND GREATER THAN 90 FEET IN HEIGHT.

TYPICAL ID

CLT

CLT-1

ID

TYPICAL

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

NOTE:

1. WORK IN THIS DRAWING TO BE INCIDENTAL TO TRAIL

CONSTRUCTION (LF) PAY ITEM.

2. NO WORK TO BE DONE BEYOND 75' TO EITHER SIDE

OF FLAG LINE SET BY IMBA TRAIL SOLUTIONS.

TYPE

DISPOSAL

LOP AND SCATTER OUTSIDE TRAILWAY

DISPOSAL METHOD

METHOD

DISPOSAL

COMMENTS

D1

D2 LOP AND SCATTER ON FILL SLOPE

8'**C 2 8" * UTILIZE D2 WHEN FILL PROTECTION IS DESIRED

D1/D2

>5"

CLT-2 D1/D2

*WIDTH TO BE MINIMIZED TO EXTENTS NECESSARY FOR CONSTRUCTION OF TREADWIDTH AND BACKSLOPE

**NATURAL CANOPY TO REMAIN, EXTENTS TO BE TREAD WIDTH AT 8' HEIGHT.

***THE CLEAR ZONE SHALL MATCH THE TREAD WIDTH, HOWEVER IT IS ACCEPTABLE AND PREFERRED TO LEAVE TREES IN

CLEAR ZONE, SO LONG AS THE ENTIRE TRUNK DIAMETER IS NOT WITHIN THE CLEAR ZONE.

CUT MATERIAL TO BE DISPERSED PER SPECIFICATIONS

CUT MATERIAL TO BE DISPERSED PER SPECIFICATIONS

GRN: 2", BLUE: 8", BLK: 15"

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DRAWING NAME

912 - CLEARING LIMITS

CLEARING LIMITS - BRUSHING

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_912-02

NO SCALE

CLEARING LIMITS - BRUSHING

UPHILL DOWNHILL CLEARING

12"

BRUSHING LIMITS

METHOD

CLEARING

C 1

COMMENTS

METHOD

DISPOSAL

D1/D2

WIDTH WIDTH HEIGHT

TYPE

DISPOSAL

LOP AND SCATTER OUTSIDE TRAILWAY

DISPOSAL METHOD

METHOD

DISPOSAL

COMMENTS

D1

D2 LOP AND SCATTER ON FILL SLOPE

TYPE

CLEARING

CLEARING METHOD

METHOD

CLEARING

COMMENTS

EQUIPMENT OR HAND BRUSHING

C1 BRUSHING

MOWING LIMITS

UPHILL DOWNHILL

WIDTH WIDTH

N/A N/A

C

L

CUT

BRUSHING LIMITS

UPHILL

WIDTH

BRUSHING LIMITS

DOWNHILL

WIDTH

CUT

J K

L

M N

MOWING

LIMITS

UPHILL

WIDTH

MOWING

LIMITS

DOWNHILL

WIDTH

CLEAR ZONE

UPHILL

LIMITS

CLEAR ZONE

DOWNHILL

LIMITS

J K L M N

BRUSHING

LIMIT

CLEARING

HEIGHT

NOTE:

SEE SHEET STD_912-01 FOR

CLEAR ZONE LIMITS

TYPICAL ID

CLB

GRN

ID

CLASS

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

C 1 D1/D2N/A N/ABLU

C 1 D1/D2N/A N/ABLK

UTILIZE D2 WHERE FILL PROTECTION IS DESIRED

UTILIZE D2 WHERE FILL PROTECTION IS DESIRED

UTILIZE D2 WHERE FILL PROTECTION IS DESIRED

NOTE:

1. WORK IN THIS DRAWING TO BE INCIDENTAL TO TRAIL

CONSTRUCTION (LF) PAY ITEM.

2. NO WORK TO BE DONE BEYOND 75' TO EITHER SIDE

OF FLAG LINE SET BY IMBA TRAIL SOLUTIONS.

12"

12"

*ONE FOOT BEYOND EXTENTS OF FILL AND BACKSLOPE CATCH POINTS. BEYOND THIS SHALL BE MINIMIZED AS MUCH AS FEASIBLE AND

APPROVED BY COR.

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DRAWING NAMEPROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

NO SCALE

ROCK ARMORING

WIDTH

TREAD

913 - SURFACING

ROCK ARMORING

STD_913-50-01

COMMENTS

MINIMUM ROCK SIZE

SHOULDER

ROCK

(LBS)

BASE

ROCK

(LBS)

TREAD

WIDTH

SHOULDER ROCK

SHOULDER ROCK

BASE ROCK

PLAN VIEW

REFERENCE 911-01

FOR MAXIMUM

HEIGHT VARIATION

BETWEEN

NEIGHBORING

EMBEDDED ROCKS

TREAD

WIDTH

BASE

ROCK

SHOULDER

ROCK (TYP)

UNSUITABLE OR

WASTE MATERIAL

A

SECTION

A-A

A

LEVELING

COURSE

1. REMOVE AND DISPOSE OF DUFF AND TOP ORGANIC LAYERS DOWN TO MINERAL SOIL.

2. PROVIDE ORGANIC-FREE BACKFILL MATERIAL WHERE SHOWN ON DRAWINGS FOR LEVELING AND

SUPPORT OF BASE ROCK.

3. LAY ROCK WITH A MINIMUM OF 3 POINTS OF CONTACT WITH ADJACENT ROCKS.

4. LAY ROCKS IN A RANDOM ARRANGEMENT.

5. FILL VOIDS WITH BROKEN ROCK OR SUITABLE BACKFILL.

6. INSTALL VERTICAL STONES AT WATER CROSSINGS (EXCEPT AS DESCRIBED IN 917-10) TO ALLOW

SUBGRADE DRAINAGE TO PASS THE TRAIL TREAD.

7. WORK IN THIS DRAWING TO BE INCIDENTAL TO ROCK ARMORING (SF) PAY ITEM.

NOTES:

GEOTEXTILE

N/A

TYPE

* MATCH TRAIL TREAD WIDTH

** UTILIZE PITCHED STONES WHEN CROSS DRAINAGE OCCURS AT TREAD

***SHOULDER STONES TO BE SIMILAR SIZE TO BASE ROCK. UTILIZE NATIVE MATERIALS.

****ANCHOR STONE TO BE MINIMUM 16" EMBEDMENT, INSTALLED IN A MANNER TO RETAIN BASE ROCK

N/A WHEN NOT SPECIFIED

TYPE

IMBED BASE ROCK MINIMUM 8", ANCHOR STONES MINIMUM 16"

COURSE

LEVELING

TYPICAL ID

RRS

RRS-1

ID

TYPICAL

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

ANCHOR

STONE

(LBS)

ANCHOR STONE

ANCHOR STONE

NATIVE

MATERIAL

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03/10/2023

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM

FOREST SERVICE

U.S. DEPARTMENT OF AGRICULTURE

DRAWING NAME

914 - CLIMBING TURN

CLIMBING TURN

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_914-01

NO SCALE

A

A

CURVE

TREAD

WIDTH

RADIUS

POINT

M

I

N

I

M

U

M

R

A

D

I

U

S

TREAD

WIDTH

SEE 912-1

TREAD

WIDTH

SEE 912-1

D

O

W

N

G

R

A

D

E

U

P

G

R

A

D

E

CUT SLOPE

FILL SLOPE

FILL SLOPE

CUT SLOPE

BACKSLOPE,

REFER TO TRAIL

EXCAVATION

DETAILS

EXISTING GROUND

FILL

SLOPE3-1

0%

IN

S

LO

P

E

3-1 0%

IN

S

LO

P

E

NOTE:

· UPHILL APPROACH SECTION GRADE TO BE SHALLOWER

THAN DOWNHILL APPROACH SECTION GRADE

· MINIMUM RADIUS FOR GREEN = 10', BLUE = 7', BLACK = 5'.

· CURVED TREAD WIDTH TO BE MAXIMUM 150% STANDARD

TREAD WIDTH FOR SEGMENT DIFFICULTY RATING.

MARLINTON RANGER DISTRICT

TYPICAL ID

CTN

PLAN VIEW

SECTION A-A

GRADE REVERSAL

IN-SLOPE TURN SECTION 5-20%

GRADE REVERSAL

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APPROACH SECTION

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8 FEET MINIMUM

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APPROACH SECTION

8 FEET MINIMUM

DRAWING NAMEPROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

NO SCALE917 - FORDS

STD_917-10-01NATURAL FORD

TYPICAL ID

NFD

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

FORD TREAD STONES TO BE IN SUCH A WAY

TO BE TRAVERSABLE BY BIKE. REFERENCE

MAXIMUM OBSTRUCTION HEIGHT IN 911-01

NOTE:

TRAIL TO CROSS STREAM AT EXISTING STABLE RIFFLE IF POSSIBLE

COMMENTS

NATURAL FORD STRUCTURE

HIGH WATER MARK

FLO

W

PLAN VIEW

RETAINER TYPE

AS SPECIFIED

TREAD

A

A

C

L

STREAM

FORD

WIDTH

CHECK DAM TYPE

AS SPECIFIED

BURY SIDE RETAINER

PERPENDICULAR TO

TREAD SURFACE

APPROACHES

N/A WHEN NOT APPLICABLE

18"

CHECK

DAM****

TYPE

MINIMUM ROCK SIZE

GRADE

TYPE

SURFACE

TYPE

SURFACE COURSE MATERIAL TYPE

MATERIAL COMMENTS

S1 NATIVE ROCK

GRADATION

6-18"

S

SIDE RETAINERS*

TYPE SIZE

9"-18" 12"

RETAINER

ROCK

(LBS)

BACKFILL WITH

SUITABLE MATERIAL

DEPTH

SURFACE

WIDTH

FORD

APPROACH

WIDTH

(TYP)

WIDTH

BEGIN/END

FORD WIDTH

TO DAYLIGHT

BEGIN/END

FORD WIDTH

TO DAYLIGHT

BEGIN/END

FORD WIDTH

TO DAYLIGHT

BEGIN/END

FORD WIDTH

TO DAYLIGHT

RETAINER TYPE

AS SPECIFIED

NFD-1

ID

TYPICAL

*FOR TYPICAL RETAINERS SEE SHEET STD_911-03

**MATCH TRAIL TREAD WIDTH

***APPROACH GRADE NOT TO EXCEED TMO MAX SLOPE

****IMBED ROCKS MINIMUM

ROCK DEPTH

NATIVE

SECTION A-A

J

F

L

JFL

JFL

J

F

L

JFL

JFL

J

F

L

J F

L

J F

L

J

F

L

J F

L

JF

L

· 20' OF 6" DIAMETER JUTE FIBER LOG

· INSTALL AS SHOWN, ABOVE HIGH WATER LINE

· STAKE WITH 2"X2" WOODEN STAKES MAXIMUM 10'

O.C. DRIVEN MINIMUM 12" INTO EARTH

UTILIZE NATIVE MATERIALS FOR

FLAGSTONE ARMORING. MAXIMUM 2"

VERTICAL SURFACE VARIATION.

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DRAWING NAME

927 - DRAIN DIPS

DRAIN DIP

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_927-10-01

NO SCALE

E

X

I S

T

I N

G

R

O

U

N

D

NOTES:

1. ROCK SPILLWAY SLOPE SHALL BE THE SAME AS THE CONSTRUCTED

FILL SLOPE.

2. ROCK SPILLWAYS TO BE INSTALLED ONLY AT DIPS WHERE EROSION

IS A CONCERN, WHERE HIGH FLOWS CONVERGE, OR AS

DETERMINED BY THE COR.

3. GRADE DIPS AND ROCK SPILLWAYS TO BE INCIDENTAL TO TRAIL

CONSTRUCTION (LF) PAY ITEM.

4. DETAIL DEPICTS CONSTRUCTED GRADE REVERSAL. DRAIN DIP CAN

ALSO BE INSTALLED WITH NATURAL SLOPE (TURN ALIGNMENT

UPHILL).

A

A

F

I N

I S

H

D

A

D

E

B

B

TYPICAL ID

DD1

SHEET 1 OF 2

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

L1

20 FOOT

MINIMUM

L2

10 F

OOT

M

IN

IM

UM

L3

20 FOOT

MINIMUM

TOP OF CUT

TOE OF FILL

U

N

L

E

S

O

T

H

E

R

W

I

T

E

D

R

I

P

R

A

P

H

A

L

X

T

E

F

O

M

E

D

A

I

E

T

B

E

Y

O

I

L

L

BOTTOM

OF DIP

SKEW

ROCK SPILLWAY

AS SPECIFIED

2 FOOT

MINIMUM

SURFACE COURSE

WHEN SPECIFIED

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DRAWING NAME

927 - DRAIN DIPS

DRAIN DIP DETAILS

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_927-10-02

NO SCALE

A

V

E

R

A

G

E

E

X

I S

T

I

O

U

N

D

A-A

C

FLOOD LINE

P

O

F

I

A

D

E

ROCK SPILLWAY

AS SPECIFIED

FILL SLOPE

CUT SLOPE

FILL

FINISHED GRADE

CUT

TYPICAL FILL SECTION

TYPICAL CUT SECTION

UNSUITABLE MATERIAL TO

BE DISPOSED AT A LOCATION

DESIGNATED ON THE GROUND

SEE SECTION 911

TYPICAL SECTIONS

B-B B-B

ROCK SPILLWAY

AS SPECIFIED

SEE SECTION 911

TYPICAL SECTIONS

OUTSLOPE 3%-10%

OUTSLOPE 3%-10%

TYPICAL ID

DD2

SHEET 2 OF 2

SECTION

SECTION

SECTION

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

DIP DOWNGRADE PROFILE TO BE WITHIN 10% OF RUNNING PROFILE GRADE

10% UPGRADE, UNLESS OTHERWISE APPROVED BY COR

H = 9" MINIMUM

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DRAWING NAME

935 - RETAINING WALLS

PROJECT NAME & LOCATION

STANDARD TRAIL PLAN

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

STD_935-20-01

NO SCALE

STACKED ROCK RETAINING WALL

TREAD

FRONT VIEW

WALL WIDTH

24 INCH

MINIMUM

PLACE LARGE

CAP ROCKS

FOR OUTSIDE

TOP COURSE

6 INCH

MINIMUM

BACKFILL WITH

SUITABLE MATERIAL

12 INCH

MINIMUM

FOUNDATION

EMBEDMENT

DEPTH

WALL WIDTH SHALL BE 2 FEET WIDE OR 1/2 THE

WALL HEIGHT, WHICHEVER IS GREATER.

HEADER

STONES

12 INCH

MINIMUM

(TYP)

PREPARE FOOTINGS

IN EARTH OR SOLID

ROCK. INSLOPE

FOUNDATION

20% TO 30%.

WALL HEIGHT

6 FOOT

MAXIMUM

2 INCH MAXIMUM

DRAIN OPENING

EVERY 25 FEET

3 INCH

MINIMUM

18 INCH

MINIMUM

SIDE

EMBEDMENT

DEPTH

NOTE:

1. REMOVE AND DISPOSE OF DUFF AND TOP ORGANIC LAYERS

DOWN TO MINERAL SOIL.

2. COMPACT BACKFILL AND FOUNDATION IN 6 INCH LIFTS

UNTIL NO VISUAL DISPLACEMENT.

3. CLEAR WIDTH IS GREATER OR EQUAL TO THE TREAD AND

SHOULDER WIDTHS DEFINED IN SECTION 911.

4. WORK IN THIS DRAWING TO BE INCIDENTAL TO STACKED

ROCK RETAINING WALL (SF) PAY ITEM.

BACKFILL WITH

SUITABLE MATERIAL

UNDERTREAD RETAINING WALL SECTION

C

L

TREAD

WIDTH

SHOULDER

WIDTH

SHOULDER

WIDTH

SEE SECTION 913

TYPICAL SECTIONS

TYPICAL ID

RRW

MARLINTON RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM 03/10/2023

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03/10/2023

U.S. DEPARTMENT OF AGRICULTURE

DRAWING NAME

PLATFORM TURN

PROJECT NAME & LOCATION

TRAIL TYPICAL DETAILS

SECTION

REVISION DATE

SHEET

OF

DRAWING NO.

C-1

NO SCALE

XXX RANGER DISTRICT

MONONGAHELA NATIONAL FOREST

MONDAY LICK TRAIL SYSTEM

A-A

NATURAL BARRIER

TREES, BRUSH, OR ROCK ACCEPTABLE

IN

SLOPE 3

-5

1:1 SIDE SLOPES

WIDTH VARIES WITH DEPTH

DEPTH VARIES, SLOPE TO DRAIN

DOWNGRADE

U

P

G

R

A

D

E

CUT SLOPE

A

A

T

U

R

N

S

E

C

T

I

O

N

C

U

R

V

E

T

R

E

A

D

W

I

D

T

H

TREAD

WIDTH

SEE SECTION 911

TREAD

WIDTH SEE

SECTION 911

NATURAL BARRIER

FILL SLOPE

CUT SLOPE

FILL SLOPE

DRAIN DITCH

TO DAYLIGHT

OUTSLOPE 3-10%

RADIUS

POINT

NOTE:

1. GRADE THROUGH TURN SECTION (BETWEEN APPROACHES) SHALL

BE BETWEEN 3-5% RUNNING AND CROSS SLOPE.

2. DOWNHILL APPROACH SHALL BE STEEPER THAN THE UPHILL

APPROACH WITH INTENT TO SLOW TRAFFIC THROUGH THE TURN.

3. MINIMUM RADIUS FOR GREEN = 10', BLUE = 7', BLACK = 5'.

4. DITCHING TO BE INSTALLED AT THE DISCRETION OF THE COR, BUT

SHALL BE INCIDENTAL TO COST OF TURN.

5. CURVED TREAD WIDTH TO BE MAXIMUM 150% STANDARD TREAD

WIDTH FOR SEGMENT DIFFICULTY RATING.

CUT

SLOPE

FILL SLOPE

NON-ORGANIC

SOILS

EXISTING

GROUND

PLAN VIEW

SECTION

GRADE REVERSAL

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APPROACH SECTION

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8 FEET MINIMUM

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APPROACH SECTION

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8 FEET MINIMUM

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MINIMUM

RADIUS