Tiller_trail_95_Plans_2_of_2.pdf

28902890

2930 2930

2920 2

CP

CP

CP

Line to be constructed

N culvert outlet

Place riprap at culvert outlet

Place riprap at culvert outlet

Place riprap at

NOTE:

culvert outlet

Place riprap at

Clearing limit

Clearing limit

LEGEND:

Slope protection

Sediment wattle

Silt fence

Check dam

PLANS

EROSION CONTROL

SEDIMENTATION &

F.2

STATE PROJECT

NUMBER

SHEET

OR

PFH 16(7)

A

M

A u g u s t

I n t_ ft

D c m y fi le s p w p r o d u c ti o n d m s o f0 fb .d g n

K ir k L o ft s g a a r d e

N in h P h a

C h e c k e d b y

D e s ig n e d b y

BEGIN PROJECT

El.=2962.75

E=4284879.6793

N=405478.1498

153+40.00

OR PFH 16(7)

United Stat es of America

(BLM)

United Stat es of America

(BLM)

construction entrance

Construct stabilized

Spacing per detailed Sheet F.8 (typ.)

Install sediment wattle check dam.

per details on Sheet F.7

Provide slope protection per details on Sheet F.7

Provide slope protection per details on Sheet F.7 check dam. Spacing

Install sediment wattle activities have ceased.

Apply temporary soil stabilization with/in 14 days where construction installation details.

See silt fence and sedimentation wattle detail drawings for location

Sift Fence and sediment wattle lines shown are for illustration only.

2.

1.

reff ub de tategev gnitsixE ref fu b d et at eg ev gni tsi xE r ef f u b d et at e g e v g ni t si x E

PRELIM

IN

ARY

NOT FOR C

ONSTRUCTIO

29352935

29402940

40 2

28602860

N

LEGEND:

Slope protection

Sediment wattle

Silt fence

Check dam

Clearing limits

Clearing limits culvert outlet

Place riprap at

Install silt fence culvert outlet

Place riprap at k e e r

C e s r o H d a e D culvert outletat

Place riprap culvert outlet

Place riprap at

181+00 to 182+00, LT

Construct filter strip

178+00 to 180+95, LT swale

Construct biofiltration at culvert outlet

Place riprap

176+15 to 177+50, RT biofiltation swale

Construct

Wetland k ee r C es ro

H da eD

PLANS

EROSION CONTROL

SEDIMENTATION &

F.3

STATE PROJECT

A u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 fc .d k L o ft s g a a r d h P h

C h e c k e d b y

D e s ig n e d b y

R

W

R

W

United States of America (BLM)

United States of America (BLM)

Land & Timber Co.

Tristar Southern Oregon

Land & Timber Co.

Tristar Southern Oregon

Land & Timber Co.

Tristar Southern Oregon

United States of America (BLM)

United States of America (BLM)

31 36

Existing vegetated buffer per details on Sheet F.7

Provide slope protection

Spacing per details on Sheet F.8 wattle check dam.Install sediment

Install straw wattles

Spacing per details on Sheet F.8 wattle check damInstall sediment

NOTE:

activities have ceased.

Apply temporary soil stabilization with/in 14 days where construction installation details.

See silt fence and sedimentation wattle detail drawings for location

Sift Fence and sediment wattle lines shown are for illustration only.

2.

1.

Construct biofiltration swale

178+00 to 180+90, LT

Existing vegetated buffer

PRELIM

IN

ARY

NOT FOR C

5 1

28102810

282028202820

N

LEGEND:

Slope protection

Sediment wattle

Silt fence

Check dam

Clearing limits

186+45 to 187+60, RT biofiltration swale

Construct

188+77 to 189+48, RT biofiltration swale

Construct

Clearing limits culvert outlet

Place riprap at

PLANS

EROSION CONTROL

SEDIMENTATION &

F.4

STATE PROJECT

P

A u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 fd .d k L o ft s g a a r d h P h

C h e c k e d b y

D e s ig n e d b y

United States of America (BLM)

United States of America (BLM)

United States of America (BLM)

United States of America (BLM) re ff ub d et at eg ev g nit si xE

Unnamed tributary

Spacing per details on Sheet F.8 wattle check dam.Install sediment

Install straw wattles

Install straw wattles per details on Sheet F.7

Provide slope protection per details on Sheet F.7

Provide slope protection

Spacing per details on Sheet F.8 wattle check dam.Install sediment

NOTE:

activities have ceased.

Apply temporary soil stabilization with/in 14 days where construction installation details.

See silt fence and sedimentation wattle detail drawings for location

Sift Fence and sediment wattle lines shown are for illustration only.

2.

1.

culvert outlet

Place riprap at

Existing vegetated buffer

PRELIM

IN

ARY

NOT FOR C

5 2

2795 2795

00 2800

N

LEGEND:

Slope protection

Sediment wattle

Silt fence

Check dam at culvert outlet

Place riprap at culvert outlet

Place riprap

Clearing limits

PLANS

EROSION CONTROL

SEDIMENTATION &

F.5

STATE PROJECT

A u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 fe .d k L o ft s g a a r d h P h

C h e c k e d b y

D e s ig n e d b y

NOTE:

activities have ceased.

Apply temporary soil stabilization with/in 14 days where construction installation details.

See silt fence and sedimentation wattle detail drawings for location

Sift Fence and sediment wattle lines shown are for illustration only.

2.

1.

El.=2806.36

E=4285655.3002

N=402966.5127

END PROJECT

208+50.00

OR PFH 16(7)

United Stat es of America

(BLM)

United Stat es of America

(BLM)

reffub detategev gnitsixE

Sheet F.11 treatment per details on

Construct special ditch

202+00 to 203+50, RT Sheet F.11 treatment per details on

Construct special ditch

204+50 to 205+75, RT

Spacing per details on Sheet F.8

Install sediment wattle check dam.

Spacing per details on Sheet F.8

Install sediment wattle check dam.

construction entrance

Construct stabilized

PRELIM

IN

ARY

NOT FOR C

0 2

280028052810 28152

2835 2840 2845

F.6

STATE PROJECT

A u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 fk .d h P h

J m e s N e ig h o r

C h e c k e d b y

D e s ig n e d b y

LAYOUT PLAN

BIOFILTRATION SWALE

PLAN VIEW

SWALE 1

PLAN VIEW

PLAN VIEW

SWALE 2

SWALE 3 & 4

N

N

Sta. 177+60, 36.58' Rt.

Sta. 177+47, 25.50' Rt.

0Swale Bottom Elev. 2829.81

Sta. 178+00, 41.70' Lt.

Begin Swale

Swale Bottom Elev. 2825.72 Sta. 180+95, 29.80' Lt.

End Swale

Swale Centerline

Swale Centerline

Ditch Grade Elev. 2831.3 Sta. 176+69, 25.50' Rt.

Begin Swale

Ditch Grade Elev. 2829.0 Swale Bottom Elev. 2831.0 Sta. 177+63, 47.25' Rt.

End Swale

12.5'

N

R 20'

R 20' R 20'

12.5'

12.5'

Sta. 187+44, 25.64' Rt. Sta. 187+94, 25.50' Rt.

Ditch Grade Elev. 2809.32 Sta. 189+48, 26.70' Rt.

Begin Swale 4Ditch Grade Elev. 2808.74

Sta. 186+45, 33.00' Rt.

Begin Swale 3

Ditch Grade Elev. 2804.71 Swale Bottom Elev. 2806.71 Sta. 187+60, 38.30' Rt.

End Swale 3

Ditch Grade Elev. 2804.20 Swale Bottom Elev. 2806.20 Sta. 187+77, 36.30' Rt.

End Swale 4

PRELIM

IN

ARY

NOT FOR C

TYPICAL SECTIONS

& FILTER STRIP

BIOFILTRATION SWALE

PROFILE VIEW

A

A

B

B

1:

(ty p.

:1

TYPICAL SECTION

SLOPE

SPACING (FT)

MAX. CHECK DAM

STATION RANGE

BEGIN END

SECTION A-A

1:3

1:3

1:3 m ax .1:

1.

SECTION B-B

1:3 m ax .1:

1.

SECTION C-C

1:3

1:3 m ax .1:

1.

C

C

(FT)

MIN. WIDTH

Check dam/flow spreader

Vegetated swale

BIOFILTRATION SWALE

SWALE

FILTER STRIP

1:3

Varies

TYPICAL SECTION

1:3

FLAT BOTTOM TREATMENT DITCH

FOOTNOTE:

STATION RANGE

BEGIN ENDTREATMENT DITCH

FLAT BOTTOM

Placed riprap, class 2

Report (see FAR 52.236-4)

Construct ditches at locations and depths according to the Staking

1 181+00 8 2.00182+00

STRIP

FILTER

LT/RT

LT

(FT)

LENGTH

CROSS SLOPE

LOCATION

188+00

187+00

180+00

177+00

1.50

1.00

1.00

1.00

LT/RT

RT

RT

205+75

203+50

204+50

202+00 m in

.5

Existing ground

Amended soil mix

2'-0" Ditch bottom

Amended soil mix (depth varies 8" to 24")

1'-0" (typ) and till into the top 6"

Place 3" depth of amended soil mix

24" depth of amended soil mix

Slope

Slope

Paved surface

(See table on this sheet)

Cross-slope varies

Filter strip, length varies

(See table on this sheet)

Aggregate shoulder m a x

Check dam spacing (see table this sheet) on this sheet

Slope per table

(depth varies 8" to 24")

Amended soil mix grade Ditch m in

1:1.5 (typ.)

Slope

LC

12'

Placed riprap, class 2

(depth varies 8" to 24")

Placed riprap, class 2

(1' min. depth) m in

Varies m in

12'

Vegetated swale soil mix and till into the top 6"

Place 3" depth of amended

Amended soil mix

(depth varies 8" to 24")

Varies LC

LC

m in

12'

Place 3" depth of amended soil mix and till into the top 6"

4' min.

Varies maximum swale dimensions per the design ditch grade.

1. Adjust check dam spacing as needed to meet minimum and

NOTE:

F.12

STATE PROJECT

A u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 fl .d h P h

J m e s N e ig h o r

C h e c k e d b y

D e s ig n e d b y

PRELIM

IN

ARY

NOT FOR C

H D e s ig n w a ll h e ig h t v a r ie s

8.

7.

6.

5.

4.

3.

2.

1.

3' (min.)

NO SCALE

LEGEND

GENERAL NOTES:

SPECIFICATIONS:

Select granular backfill

Roadway embankment

TYPICAL SECTION

Va rie s

Toe of wall treatment

V a ri e s

Subexcavation

1.0'

Existing ground .5

MSE WALL NOTE:

1.Design Data:

SELECT GRANULAR BACKFILL

Unit weight = 125 lb/ft³

Cohesion = 0

RETAINED BACKFILL

Unit weight = 125 lb/ft³

Cohesion = 0

FOUNDATION MATERIAL

Unit weight = 125 lb/ft³

Cohesion = 0

TYPICAL SECTION

EARTH (MSE) WALL

MECHANICALLY STABILIZED

gabion rock

Face material, 4" to 8" reinforcement.

level bearing surface for bottom

Provide 6" select granular backfill

15' or 20' v :1 h

Finished slope graded away from wall face

Proposed roadway surface

5' h v

1:

1.

1:3

G.2

STATE PROJECT

o f0 g b .d g n

U

S S u r ft

B

W A

C K

E R

C h e c k e d b y

T H

O M

P S

O s ig n e d b y

Wall face, see

Welded Wire Face

Detail on Sheet G.4

V a r ie s

S e e S ta k in g

R e p o r t fo r fo u n d a ti o n d e p th

Excavation area for construction and traffic.

Replace with select granular backfill, Type A without subexcavation collector pipe location

Geocomposite underdrain both sides of drain

Geocomposite drain, Type I-B, Replace foundation excavation with select granular backfill, type A or B location with subexcavation, see Detail Sheet G.4

Geocomposite underdrain collector pipe

Uniaxial geogrid v :1 h treatment

Toe of wall

Mirror detail as appropriate.

Top of wall will be as shown on the wall layout drawings. No steps will be allowed.

The exact retaining wall heights, footing step dimensions, footing elevations, and all other necessary final details shall be based on current cross sections taken in the field by the contractor and shall be part of the final shop plans submitted to the CO.

Furnish select granular backfill consisting of soil meeting the requirements of 704.10.

Terminate wire-face wall at the beginning and end of each lift with a return of wall facing material. The returns are not measured for payment.

Maximum reinforcement spacing is 1.5-feet.

Fill voids and undermined areas (before or during wall construction, or prior to the completion of the project) with rock material conserved from excavation, as directed by the CO.

Extend select granular backfill a minimum of 12-inches past the re-inforcement length.

m in setback 4' (min.)

ty p

11' (min.)

4' (typ.)

Conform to the following:

CONSTRUCTION:

Guide Lines.

Walls and Reinforced Soil Slopes Design and Construction Earth

FHWA Publication No. FHWA-NHI-00-043 Mechanically Stabilized

DESIGN:

m a x

PRELIM

IN

ARY

NOT FOR C

2825 2835

28402845 top face of wall

Existing ground at leveling pad face of MSE wall

Designed bottom

LC(18' offset from )

Top face of MSE wall

CUYD

EXC.

CUYD

EMB.

173+50173+00172+50172+00171+50171+0017060

2800 2800

2810 2810

2820 2820

2830 2830

2840 2840

2850 2850

2860 2860

2870 2870

2880 2880

G.3

STATE PROJECT

u g u s t

I n t_ ft m y fi le s p w p r o d u c ti o n d m s o f0 g c .d lc o lm U ll r ic k ia n n M o r e h o u s

C h e c k e d b y

D e s ig n e d b y

LCTop face of MSE wall (18' offset from )

Line to be constructed

Proposed edge of pavement

Existing edge of road see Sheet E.1

Gravel turnout, N

(Top of Wall)

El.= 2853.70

170+90, 18.0' LT

BEGIN MSE WALL

(Top of Wall)

El.= 2843.78

173+40, 18.0' LT

END MSE WALL

BH

TT-1105

12071

Slope stake limits

Slope stake limits

170+90 to 173+40

PLAN AND PROFILE

EARTH (MSE) WALL

MECHANICALLY STABILIZED

12053

TT12-18

TT12_19

Guardrail

TT11-04

P C

.6

,8

.8

,8

.7

,8

.7

,8

.3

,8

.3

,8

.9

,8

.4

,8

.6

,8

.6

,8

.0

,8

.0

,8

.2

,8

.7

,8

.9

,8

.4

,8

.8

,8

.8

,8

.2

,8

.2

,8

.8

,8

.3

,8

.1

,8

.1

,8

.7

,8

.7

PRELIM

IN

ARY

NOT FOR C

Stiffener

Uniaxial geogrid reinforcement

Uniaxial geogrid embedment

Type I-B non-woven Geotextile

3.

2.

1.

(See 255.05)

NO SCALE

LEGEND

Select granular backfill

FOOTNOTE:

NOTE:

WELDED WIRE ROCK FACED MSE DETAIL

4" to 8" Gabion rock gabion rock

Face material, 4" to 8"

G.4

STATE PROJECT

o f0 g d .d g n

U

S S u r ft

W A

C K

E e c k e d b

T H

O M

P S

O s ig n e d b y wire form

Welded 7

Geotextile

Gabion Rock

WALL DETAILS

EARTH (MSE)

MECHANICALLY STABILIZED

18" (max.)

12" (min.) to

18" Geotextile wrap compaction zone 1.5' special

3' (min.) Geotextile wrap 8" (max.)

5" (min.)

Cover the end of the MSE drain outlet pipe with screen according to Subsection 605.03. Hold the screen securely in place with standard coupling bands or by other approved means.

Connect collector pipes to outlet pipes using t-connector and outlet at low points of wall and at 50-foot maximum spacing.

Mark the outlet of the outlet pipe with a 4-foot long post or other suitable marker. Place post within 12-inches of the end of the pipe.

Furnish 4 to 8-inches of gabion rock at face of wall meeting the requirements of Subsection 705.01.

Daylight outlet drain pipe through fill in embankment sections.

Place 4-foot wide geocomposite drains 10-feet on center.

A facing stiffiner (strut) or a top facing reinforcement mat is required. Method and spacing to be determined by manufacturer.

Extend geogrid embedment 4-feet beyond 1.5-feet special compaction zone.

Geotextile, non-woven, type 1-A.

See details Sheet G.5.

4' Geogrid embedment

PRELIM

IN

ARY

NOT FOR C

WELDED WIRE FORM

WIRE FORM TYPICAL LAYOUT

P a r a ll e l to r o a d w

PROFILE

spaced 16" C. to C.(min.)

No. 4 wire support struts ty p

8'-0" (typ.)

galvanized ring type fasterners

Alternately, butt forms and use adjoining wire form for support.

Place edge of wire form inside

Longitudinal wires

Butt geogrid, no overlap

Reinforcement length

Transverse wiresTop of form min.

40"

96"

30"

4 x 4 - W4.7 x W4.7

Uniaxial geogrid

Wall face direction

Machine (roll)

MSE WALL GEOGRID LAYOUT

Underlying mats

"Return mat

4' min.

Connect reinforcement

MSE WALL FACING AND RETURN MAT DETAIL

Uniaxial geogrid

Uniaxial geogrid reinforcement length (L)

Stagger welded wire form joints

G.5

STATE PROJECT

u g u s t

U

S S u r ft m y fi le s p w p r o d u c ti o n d m s o f0 g e .d

J o h n s o

S m it

C h e c k e d b y

D e s ig n e d b y

Welded wire form See Sheets G.3 for dimensions.

recommended method.

with hog rings, wire ties, spiral binders, or the manufacturers

Connect adjacent welded wire reinforcement facing elements support strut length.

The contractor is responsible for determining the appropriate requirements.

Field cut transverse wires to meet welded wire form layout

NO SCALE WALL DETAILS

EARTH (MSE)

MECHANICALLY STABILIZED

PRELIM

IN

ARY

NOT FOR C

NO SCALE

Outlet pipe

Hose clamp

Wire mesh

RODENT GUARD DETAIL

NPS PMIS No. 164257A NPS Drwg. No. 184/80285

2% min.

type I-B

Earthwork geotextile

UNDERDRAIN SYSTEM

GEOCOMPOSITE

4" Ø Solid outlet drain pipe

4" Ø Perforated pipe connect outlet and collector pipes

Provide applicable fittings to

Wall L1 0+67 to 0+83

Wall L2 1+10 to 1+26

TOE OF WALL TREATMENT

Granular backfill

TOE OF WALL

TREATMENT DETAIL

1:1

Existing ground

MSE wall vertical face

Select granular backfill

4"

12"

NOTE:

type I-B both sides of drain

Geocomposite drain, See footnote

Bottom of MSE wall or subexcavation

2"

Use galvanized steel, welded wire cloth, mesh count 4,

0.0625 wire diameter and use stainless clamps.

1.

Use galvanized steel, welded wire cloth, mesh count 4,

0.0625 wire diameter and use stainless steel clamps.

Do not measure for payment, subsidiary to MSE wall.

Place 4-foot wide geocomposite drains 10-feet on center.

Provide connections between the geocomposite drains and the

4-inch collector pipe that allow unobstructed flow to the outlet and prevent soil from entering the connection joints.

G.6

STATE PROJECT

NUMBER

SHEET

OR PFH 16(7)

u g u s t

U

S S u r ft m y fi le s p w p r o d u c ti o n d m s o f0 g f.

d

J o h n s

S m it

C h e c k e d b y

D e s ig n e d b y

WALL DETAILS

EARTH (MSE)

MECHANICALLY STABLILIZED

PRELIM

IN

ARY

NOT FOR C

10.4 x 16 20301 -1400 -1900 -2000 -3000 -4000 -0800 -0900 -1200

Removal (Each)

DIAMETER or SPAN x RISE (inch) 24 30 48

155+10 5 81 7 52 GS x 158+50 8 190 7 57 GS x 158+54 1 1 1 160+70 9 232 7 57 GS x 164+93 6 201 7 97 GS x 164+45 1 1 168+50 11 364 7 63 GS x 168+54 1 170+50 6 120 7 58 GS x

177+25 4 71 28 64 GS x 177+95 8 181+26 5 106 1 7 68 GS x 1 184+00 8 200 7 60 GS x 187+70 9 326 2 56 80 2

193+11 1 1 198+16 8 210 3 56 63 GS x 202+53 5 95 1 7 61 GS x 204+06 1 1 205+28 8 240 1 7 72 GS x

PROJECT TOTAL 2436 1 13 78 140 637 215

FOOTNOTE: Allowable pipe culvert material

1. Abandon culvert in-place. A Aluminum

2. Remove culverts as directed by the CO. AS Aluminized steel

C Concrete GS Galvanized steel P Plastic (blank) Any appropriate material X/__ Any appropriate material except __

PAY ITEM NUMBER

BEVELS

1V:3H

STATION

EST

MAX

COVER

(ft)

Class 2 Class 3

60201

FOOTNOTES

See below for numbered footnotes

Pipe Culvert

(LNFT)

25101

Placed riprap, energy dissapator

(CUYD)

Rt

STR EXC

(CUYD)

LtInlet Pipe Culverts

Allow.

Pipe

Material

(See key below)

Class 4

TABULATION OF DRAINAGE QUANTITIES

Note: The quantities shown hereon are approximate and are subject to field adjustments.

STATE PROJECT

H.1 c:

\m yf ile s\ pw

_p ro du ct io n\ dm s9 of

7t a.

xl s]

U S_

C us to m ar y

-A ug -2

:1

N in h

Ph an

2/ ki rk L of ts ga ar de n

2/

D es ig ne d by

C he ck ed b y:

NUMBER

SHEET

OR PFH 16(7)ID

PRELIM

IN

ARY

NOT FOR C

1:

1.

L=13'

I.1

STATE PROJECT

o f0 ib .d g n

U

S I n t2 a h la e c k e d b

T

M a s s s ig n e d b y

SLOPE (RSS) DETAILS

REINFORCED SOIL

V a r ie s

2% min.

type I-B

Earthwork geotextile

4"

"type I-B both sides of drain

Geocompsite drain, UNDERDRAIN SYSTEM

GEOCOMPOSITE

Granular backfill

4" Ø Solid outlet drain pipe

4" Ø Perforated pipe connect outlet and collector pipes

Provide applicable fittings to

12"

4' Geogrid embedment

Geogrid reinforcement control embedment 12" Erosion

Geotextile, Type 1-A

18"

18"

Geotextile

NOTE:

FOOTNOTE:

V e r ti c a l s p a c in g g e o g r id l a y e r s

L = 8'

6-12"

Select granular backfill control mat, type 5B

Permanent erosion

REINFORCED SOIL SLOPE (RSS)

pavement structure details

See typical sections for

See Detail A, this sheet

2" typ.

.nim %2

Slope to drain at face of RSS control mat, type 5B.

Permanent erosion

Select granular backfill, type A

198+41 to 199+20

190+35 to 190+60

188+45 to 188+80

164+25 to 164+45

154+25 to 154+55

6" leveling course

DETAIL A

RSS FACING

4.

3.

2.

1.

outlet and prevent soil from entering the connection joints.

the 4-inch collector pipe that allow unobstructed flow to the

Provide connections between the geocomposite drains and

Place 4-foot wide geocomposite drains 10-feet on center.

Daylight outlet drain pipe through fill in embankment sections.

Do not exceed 12-inch vertical spacing between geogrid layers.

4' Min. embedment

Geogrid

Outlet drain pipe

50-foot spacing.

Place outlet drain pipes at all low spots along wall and maximum and bottom of pavement structure base course.

a minimum of 12-inch of the mat between the top layer of geogrid of the RSS and the disturbed ground at the toe of the RSS. Embed

Place permanent rolled erosion control mat, type 5B, over the face line.

layer and soil base, from the edge of the slope extending to center

Place a layer of geogrid between the top of the last reinforcement

8-feet and not to exceed a height of 11-feet.

ground surface. Reinforced soil slope reinforcement lengths are

Construct a reinforced soil slope necessary to intersect exisiting

Uniaxial geogrid

PRELIM

IN

ARY

NOT FOR C

175+80 to 177+25

DEEP PATCH

backfill, type A

Select granular pavement structure details

See typical sections for

4' Geogrid embedment (min.)

6-12"

Geogrid Existing grade

2% Min.

See Detail A, this sheet

Outlet drain pipe

STATE PROJECT

o f0 ic .d g n

U

S I n t2 a h e c k e d b

M a s s s ig n e d b y

I.2

2% min.

4"

UNDERDRAIN SYSTEM

GEOCOMPOSITE

Granular backfill

4" Ø Perforated pipe

12" and collector pipes fittings to connect outlet

Provide applicable

6" Leveling course

LC

t y p t y p type I-B

Earthwork geotextile both sides of drain drain, type I-B

Geocompsite outlet drain pipe

4" Ø Solid

Geogrid

Select granular backfill

NOTE:

FOOTNOTE:

outlet and prevent soil from entering the connection joints.

the 4-inch collector pipe that allow unobstructed flow to the

Provide connections between the geocomposite drains and

Place 4-foot wide geocomposite drains 10-feet on center.

Daylight outlet drain pipe through fill in embankment sections.

Do not exceed 12-inch vertical spacing between geogrid layers.

3.

2.

1.

TYPICAL SECTION

175+80 to 177+25

DETAIL A

DEEP PATCH

Place outlet drain pipes at all low spots along wall.

towards the cut slope.

layer and subbase from the edge of slope extending 21-feet

Place a layer of geogrid between the top of the last reinfrocement reinforcements.

Construct a 3-layered deep patch with 16-foot

PRELIM

IN

ARY

NOT FOR C

L=21'

16'

NOTE:

pavement structure details

See typical sections for

Existing grade

3:1

See Detail A, this sheet

V e r ti c a l s p a c in g g e o g r id l a y e r s

184+50 to 185+25

.3 :1

Type 1B geotextile s u b e x

Permanent erosion control mat, type 5B.

Slope to drain at face of RSS

Select granular backfill, type A

Select granular backfill, type A or B

6' min.

TYPICAL SECTION

I.3

STATE PROJECT

o f0 id .d g n

U

S I n t2 a h e c k e d b

M a s s s ig n e d b y

184+50 to 185+25

DEEP PATCH

.3

:1

2% min.

type I-B

Earthwork geotextile

4"

"type I-B both sides of drain

Geocompsite drain, UNDERDRAIN SYSTEM

GEOCOMPOSITE

Granular backfill

4" Ø Solid outlet drain pipe

4" Ø Perforated pipe connect outlet and collector pipes

Provide applicable fittings to

12"

5.

4.

3.

2.

1.

Geogrid

:1 .2

Outlet drain pipe

Place outlet drain pipes at all low spots along wall.

of the RSS with a minimum length of 2-feet.

mat over the face of the RSS and over disturbed ground at the toe horizontally along geogrid layer #1 at the top of the RSS. Drape

Embed permanent rolled erosion control mat, type 5B, 4-feet towards the cut slope.

layer and subbase from the edge of slope extending 21-feet

Place a layer of geogrid between the top of the last reinforcement

Subexcavate below bottom reinforcement 5-feet.

intersect ground surface.

depth of deep patch is 4-feet and extends deeper where needed to

Construct a deep patch with 16-foot reinforcements. Minimum

4' Geogrid embedment control embedment 12" Erosion

Geotextile, Type 1-A

18"

18"

Geotextile

.nim %2

DETAIL A

DEEP PATCH FACING

FOOTNOTE:

outlet and prevent soil from entering the connection joints.

the 4-inch collector pipe that allow unobstructed flow to the

Provide connections between the geocomposite drains and

Place 4-foot wide geocomposite drains 10-feet on center.

Daylight outlet drain pipe through fill in embankment sections.

Do not exceed 12-inch vertical spacing between geogrid layers.

6-12"

Select granular backfill control mat, type 5B

Permanent erosion

2" typ.

4' Min. embedment

Uniaxial geogrid

PRELIM

IN

ARY

NOT FOR C

Top geogrid L=19'

14'

198+00 to 198+40

REINFORCED SOIL SLOPE (RSS)

DEEP PATCH WITH

Geocomposite drain, type I-B, both sides

STATE PROJECT

o f0 ie .d g n

U

S I n t2 a h e c k e d b

M a s s s ig n e d b y

I.4

2% min.

type I-B

Earthwork geotextile

4"

"type I-B both sides of drain

Geocompsite drain, UNDERDRAIN SYSTEM

GEOCOMPOSITE

Granular backfill

4" Ø Solid outlet drain pipe

4" Ø Perforated pipe connect outlet and collector pipes

Provide applicable fittings to

12"

4' Geogrid embedment control embedment 12" Erosion

Geotextile, Type 1-A

18"

18"

Geotextile

NOTE:

V e r ti c a l s p a c in g g e o g r id l a y e r s

198+00 to 198+40

.3 :1 pavement structure details

See typical sections for Existing grade

See Detail A, this sheet

8'

Geogrid, type 2

Slope to drain at face of RSS control mat, type 5B.

Permanent erosion slope when necessary Reinforced soil

.nim %2

Select granular backfill, type A

Select granular backfill, type A

TYPICAL SECTION

6" leveling course

DETAIL A

DEEP PATCH AND RSS FACING

FOOTNOTE:

outlet and prevent soil from entering the connection joints.

the 4-inch collector pipe that allow unobstructed flow to the

Provide connections between the geocomposite drains and

Place 4-foot wide geocomposite drains 10-feet on center.

Daylight outlet drain pipe through fill in embankment sections.

Do not exceed 12-inch vertical spacing between geogrid layers.

5.

4.

3.

2.

1.

Outlet drain pipe

Place outlet drain pipes at all low spots along wall.

RSS.

the RSS, deep patch, and the disturbed ground at the toe of the

Place permanent rolled erosion control mat, type 5B, over face of

21-feet towards the cut slope.

layer and subbase, starting at the edge of the slope extending

Place a layer of geogrid between the top of the last reinforced of 11-feet.

slope reinforcement lengths are 8-feet and not to exceed a height necessary to intersect existing ground surface. Reinforced soil

Construct a reinforced soil slope under the deep patch when

Construct a 4-layered deep patch with 14-foot reinforcement.

6-12"

Select granular backfill control mat, type 5B

Permanent erosion

2" typ.

4' Min. embedment

Uniaxial geogrid

PRELIM

IN

ARY

NOT FOR C