AttachmentJ4_Newsome_Creek_R2_Final_Design_Drawings_Part_3_of_3.pdf

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DATE:

CHECKED:

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

PROJECT NO.:

DATE:

C11

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

SIDE CHANNELS 1 TO 4

PLAN & PROFILE

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

11/29/2016

16077

SIDE CHANNEL 1 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SIDE CHANNEL 2 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SIDE CHANNEL 3 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL -

SIDE CHANNEL 4 PROFILE

SCALE: 1" = 60' HORIZONTAL, 1" = 15' VERTICAL

SCALE:

0 30 60

1" = 60'

N

S

W

E

SCALE:

0 20 40

1" = 40'

N S

W E

SCALE:

0 20 40

1" = 40'

N S

W E

SCALE:

0 20 40

1" = 40'

N

S

W E

SIDE CHANNEL 1

(APPROX. 40 LF)

DESIGN SWALE 1

SIDE CHANNEL 2

(APPROX. 110 LF)

SIDE CHANNEL 3

(APPROX. 175 LF)

DESIGN SWALE 2

SIDE CHANNEL 4

(APPROX. 35 LF)

DESIGN SWALE 3

SIDE CHANNEL ENTRANCE

DESIGN PROFILEEXISTING FLOODPLAIN

DESIGN CHANNEL

DESIGN PROFILEEXISTING FLOODPLAIN

DESIGN CHANNEL

DESIGN TOP

(FILL AREA)

EXISTING

FLOODPLAIN

DESIGN PROFILE

DESIGN CHANNEL

DESIGN PROFILE

EXISTING FLOODPLAIN

SIDE

CHANNEL

SWALE

SIDE CHANNEL SWALE

SIDE CHANNEL

SWALE

DESIGN CHANNEL

SIDE CHANNEL ENTRANCE

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=60'

PLAN VIEW

SCALE: 1"=40'

SIDE CHANNEL ENTRANCE

SIDE CHANNEL ENTRANCE

D4

1-2 D4

1-2

D4

1-2

D4

1-2

D4

D4

D4

D4

TAPER FILL

AREA ENDS

TAPER FILL

AREA END

PROTECT & RETAIN

EXISTING LOG JAM

TAPER FILL

AREA END

TIE SIDE CHANNEL

INTO EXISTING

CHANNEL BOTTOM

TIE SIDE CHANNEL

INTO EXISTING

CHANNEL BOTTOM

D6

D6

D6

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DATE:

CHECKED:

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

PROJECT NO.:

DATE:

C12

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

1" = 40'

S. FIROR

11/29/2016

SIDE CHANNELS 5 TO 8

PLAN & PROFILE

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

11/29/2016

16077

SIDE CHANNEL 5 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SIDE CHANNEL 6 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SIDE CHANNEL 7 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL -

SIDE CHANNEL 8 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SCALE:

0 20 40

1" = 40'

N

S

W

E

SCALE:

0 20 40

1" = 40'

N S

W E

SCALE:

0 20 40

1" = 40'

N S

W E

SCALE:

0 20 40

1" = 40'

N

S

W

E

SIDE CHANNEL 5

(APPROX. 190 LF)

SIDE CHANNEL 6

(APPROX. 70 LF)

SIDE CHANNEL 7

(APPROX. 90 LF)

DESIGN SWALE 4

SIDE CHANNEL 8

(APPROX. 70 LF)

DESIGN SWALE 5

POND

DESIGN CHANNELDESIGN PROFILEEXISTING FLOODPLAIN

DESIGN CHANNEL

DESIGN PROFILE

EXISTING FLOODPLAIN

DESIGN CHANNELDESIGN PROFILE

EXISTING FLOODPLAIN

DESIGN CHANNEL

DESIGN PROFILE

EXISTING FLOODPLAIN

POND

POND

SIDE CHANNELSWALE

SIDE CHANNELSWALE

SIDE CHANNEL ENTRANCE

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PROTECT & RETAIN EXISTING

POND & SIDE CHANNEL

SIDE CHANNEL ENTRANCE

SIDE CHANNEL ENTRANCE

SIDE CHANNEL ENTRANCE

AVERAGE

APPROX. WATER

SURFACE ELEV.

D4

1-2

D4

1-2

D4

1-2

D4

1-2

D4

D4

D4

D4

TAPER FILL

AREA END

TIE INTO EXISTING

CHANNEL BOTTOM

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DATE:

CHECKED:

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

PROJECT NO.:

DATE:

C13

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

1" = 40'

S. FIROR

11/29/2016

SIDE CHANNELS 9 & 10

PLAN & PROFILE

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

11/29/2016

16077

SIDE CHANNEL 9 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SIDE CHANNEL 10 PROFILE

SCALE: 1" = 40' HORIZONTAL, 1" = 10' VERTICAL

SCALE:

0 20 40

1" = 40'

N

S

W

E

SCALE:

0 20 40

1" = 40'

N

S

W

E

SIDE CHANNEL 9

(APPROX. 165 LF)

SIDE CHANNEL 10

(APPROX. 45 LF)

POND

DESIGN SWALE 9

DESIGN CHANNEL

DESIGN PROFILE

EXISTING FLOODPLAIN

POND

DESIGN CHANNEL

DESIGN PROFILE

EXISTING FLOODPLAIN

SIDE

CHANNEL

SWALE

SCALE:

0 20 40

1" = 40'

N

S

W E

DESIGN SWALE 7

DESIGN SWALE 6

SCALE:

0 20 40

1" = 40'

N

S

W E

DESIGN SWALE 8

SIDE CHANNEL

ENTRANCE

APPROX. AVERAGE

WATER SURFACE ELEV.

0.5' TO 1'

PROTECT & RETAIN

EXISTING POND

TIE INTO EXISTING

CHANNEL BOTTOM ELEV.

SIDE CHANNEL ENTRANCE

PROTECT & RETAIN

EXISTING POND

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PLAN VIEW

SCALE: 1"=40'

PROTECT & RETAIN

EXISTING PONDS

D4

1-2

D4

D4

D4

1-2

TAPER FILL

AREA ENDS

D6

TAPER FILL

AREA END

DATE:

CHECKED:

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

PROJECT NO.:

DATE:

C14

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

1" = 300'

S. FIROR

11/29/2016

FINAL ROAD &

TRAIL PLAN

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

11/29/2016

16077

SCALE:

0 150 300

1" = 300'

N S

W E

N

E

W

S

O

M

C

R

E

E

K

F

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LIMIT ACCESS ROUTE TO 50"

WIDE TRAIL. REINSTALL WATER

BARS & SLASH ALONG ROUTE.

T

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S

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C R

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K

R

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D

SHEET:

U

S

F

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REMOVE & DECOMPACT ALL

TEMPORARY ACCESS ROUTES

REMOVE & DECOMPACT

ALL TEMPORARY MEADOW

ACCESS ROUTES

UPGRADE FOOT TRAIL

REMOVE & DECOMPACT

ACCESS ROUTE

CONSTRUCT NEW

FOOT TRAIL

CONSTRUCT NEW

FOOT TRAIL

UPGRADE

FOOT TRAIL

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D1

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS - FLOW

DEFLECTING HABITAT

STRUCTURE & CHANNEL

SPANNING KEY STRUCTURE

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

11/29/2016

16077

FLOW DEFLECTING HABITAT STRUCTURE CROSS-SECTION

SCALE: NTS

FLOW DEFLECTING HABITAT STRUCTURE PLAN VIEW

SCALE: NTS

POSITION ANCHOR LOG TO PIN

DOWN RACKED LOGS WITH

ROOTWAD FACING UPSTREAM

FLOW

CHANNEL

TOP OF BANK

POSITION ANCHOR LOG TO PIN

DOWN RACKED LOGS WITH

ROOTWAD FACING UPSTREAM

EXCAVATE TRENCH TO ALLOW

FOR PLACEMENT OF ANCHOR

LOG. BACKFILL WITH NATIVE

FLOODPLAIN MATERIAL. SEE

SPECIFICATIONS FOR

COMPACTION REQUIREMENTS.

RACKED LOGS WITH LIMBS &

BRANCHES INTACT (2 LOGS MIN.)

3' MIN

ANCHOR LOG WITH

ROOTWAD. BURY MIN

50% OF LENGTH IN BANK.

ANCHOR LOG WITH

ROOTWAD. BURY MIN

50% OF LENGTH IN BANK.

APPROX. 25° TO 30°

RACKED LOGS WITH LIMBS &

BRANCHES INTACT (2 LOGS MIN)

REVEGETATION

BY OTHERS

12" THICK TOPSOIL

NOTE:

GOV'T MUST BE PRESENT DURING

HABITAT STRUCTURE CONSTRUCTION.

NOTE:

GOV'T MUST BE PRESENT DURING

HABITAT STRUCTURE CONSTRUCTION.

CHANNEL SPANNING KEY STRUCTURE CROSS-SECTION

SCALE: NTS

CHANNEL SPANNING KEY STRUCTURE PLAN VIEW

SCALE: NTS

EXISTING TREE OR LOG

DRIVEN INTO BANK

EXISTING TREE OR LOG

DRIVEN INTO BANK

PUSH LOG

INTO BANK

WEDGE LOGS TOGETHER WITH

ROOTWAD FACING UPSTREAM

F L O

W

PUSH LOG

INTO BANK

PLACE LOG WITH

ROOTWAD OVER

OTHER LOGS TO

ANCHOR

PUSH LOG

INTO BANK

LOG DRIVEN

INTO BANK WITH

EXCAVATOR

EXISTING TREE

OR LOG DRIVEN

INTO BANK

WEDGE LOGS

TOGETHER WITH

ROOTWAD FACING

UPSTREAM

PLACE LOG WITH

ROOTWAD OVER

OTHER LOGS TO

ANCHOR

EXISTING

BANK TOE

EXISTING

CHANNEL

NOTES:

1. KEY STRUCTURE LOGS SHALL

BE PLACED TO INTERLOCK

WITH EXISTING TREES OR

DRIVEN LOG POSTS.

2. USE MIN 5 LOGS PER

STRUCTURE WITH MIN 2

HAVING ROOTWADS.

3. PUSH LOGS INTO BANK TO

SECURE WHERE POSSIBLE.

4. GOV'T MUST BE PRESENT

DURING CHANNEL SPANNING

KEY STRUCTURE

CONSTRUCTION.

5. STRUCTURES SHALL BE FIELD

FIT FOR EACH SPECIFIC

LOCATION.

NOTE:

GOV'T MUST BE PRESENT DURING

CHANNEL SPANNING KEY

STRUCTURE CONSTRUCTION.

PUSH LOG

INTO BANK

PUSH LOG

INTO BANK

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D2

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS -

LONGITUDINAL PROFILES &

CONSTRUCTED CHANNEL

11/29/2016

16077

RUN POOL RIFFLE

GRADUALLY TAPER TO POOL DEPTH

TIE BETWEEN POOL &

RIFFLE SMOOTHLY

TIE BETWEEN POOL

& RUN SMOOTHLY

RIFFLE POOL RIFFLE

GRADUALLY TAPER TO POOL DEPTH

TIE BETWEEN POOL & RIFFLE SMOOTHLY

START RUN

END RIFFLE

END POOL

START POOL

RUN-POOL-RIFFLE SEQUENCE LONGITUDINAL PROFILE (TYPICAL)

SCALE: NTS

RIFFLE-POOL SEQUENCE LONGITUDINAL PROFILE (TYPICAL)

SCALE: NTS

D

D

D

D

D

D

D

D

D

D

RIFFLE CREST

RIFFLE CREST

APPROX.

FLOODPLAIN

(SLOPE = 0.6%

TO 1.0%)

CHANNEL

INVERT

APPROX.

FLOODPLAIN

(SLOPE =

0.6% TO 1.0%)

CHANNEL

INVERT

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

0.6%

TO

1%

0.6%

TO

1%

0.0%

.8

T

O

.5

0.6% TO 1%

0.0%

FLOW

FLOW

TOP OF BANK

BANK TREATMENT (IF PRESENT)

CONSTRUCTED CHANNEL (TYPICAL)

SCALE: NTS

TOE OF BANK

TOE OF BANK

EXISTING FLOODPLAIN

W/ ROUGHNESS

HARVESTED ALLUVIUM

(SEE SPECIFICATIONS)

0.6% TO 1%

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D3

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS - CONSTRUCTED

CHANNEL TYPICAL

CROSS-SECTIONS

11/29/2016

16077

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

MIN 3

MAX 6

MIN 2

MAX 3

MIN 3

MAX 6

C

L

TYPICAL CONSTRUCTED CHANNEL RIFFLE CROSS-SECTION

SCALE: NTS

TYPICAL CONSTRUCTED CHANNEL POOL CROSS-SECTION (RIGHT BANK SHOWN)

SCALE: NTS

TYPICAL CONSTRUCTED CHANNEL RUN CROSS-SECTION (RIGHT BANK SHOWN)

SCALE: NTS

C

L

5 MIN

10 MAX

C

L

MIN 4

MAX 8

VARY LATERAL LOCATION OF LOW FLOW

CHANNEL TO MATCH BANK ORIENTATION AND

INCREASE VARIABILITY. VARIATIONS SHALL BE

GRADUAL AND NOT ABRUBT OR IN ANY PATTERN.

(-15 , 0)

(15 , 0)

(7.5 , -1.25)

(3.5 , -1.25) (-3.5 , -1.25)

(-7.5 , -1.25)

(0 , 0)

(-1.5 , -2.25) (1.5 , -2.25)

(0 , 0)

(-2 , -1)

(-12 , 0) (12 , 0)

(4 , -4) (8 , -4)

(0 , 0)

(-13 , 0) (-13 , 0)

(-2.5 , -1.75) (1.5 , -1.75)

(3.5 , -2.75) (5.5 , -2.75)

(7.5 , -1.75)

(9.5 , -1.75)

APPROX. FLOODPLAIN ELEVATION

APPROX. FLOODPLAIN ELEVATION

APPROX. FLOODPLAIN ELEVATION

NOTE:

CROSS-SECTION SHALL BE

MIRRORED FOR LEFT BANK POOLS.

NOTE:

RUN SHALL MATCH RIGHT/LEFT

BANK ORIENTATION OF POOL

DOWNSTREAM.

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D4

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS - SIDE CHANNEL

& BRUSH FASCINE

11/29/2016

16077

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

BRUSH FASCINE CROSS-SECTION

SCALE: NTS

BRUSH FASCINE PLAN VIEW

SCALE: NTS

NATIVE ROCK AND SOIL

PLACE HARVESTED

SOD (IF AVAILABLE)

8'

1'

1' 7.5'

BASE FLOW ELEV.

TOB ELEV.

SMALL LOGS PLACED IN

STREAMBANK (APPROX. 0.5

PIECES PER LF). OVERLAP

AT SKEWED ANGLES.

1.25' TO 1.75'

PLACE BRUSH IN BETWEEN

GAPS IN SMALL LOGS

SMALL LOGS PLACED

IN STREAMBANK (SEE

SPECIFICATIONS FOR

SIZING). OVERLAP AT

SKEWED ANGLES.

45° MAX

45° MAX

STREAMBANK TOE

STREAMBANK TOP

EXCAVATION LIMIT

3' MAX PROJECTION

PLACE BRUSH IN BETWEEN

GAPS IN SMALL LOGS

F L O

W

0° TO 7.5°

(TYP)

INSTALL TALL 1-GALLON

ALDER (PROVIDED BY

GOV'T) 2 PER LF OF BRUSH

FASCINE TREATMENT.

SIDE CHANNEL ENTRANCE PROFILE

SCALE: NTS

SIDE CHANNEL TYPICAL CROSS-SECTIONS

SCALE: NTS

12'

1' TO 1.25'

TYPICAL

SECTION 1

TYPICAL

SECTION 3

8'

2' TO 2.5'

TYPICAL

SECTION 2

2' TO 4'

10'

1.25' TO 2'

5' TO 6'

APPROX. 1'

DESIGN CHANNEL

DESIGN CHANNEL

BASE FLOW

EXISTING FLOODPLAIN

TIE INTO DESIGN

CHANNEL BENCH

SIDE CHANNEL INVERT

(SEE SIDE CHANNEL

PROFILES FOR SLOPES

& ELEVATIONS)

INSTALL TALL

1-GALLON ALDER

(PROVIDED BY GOV'T)

2 PER LF OF BRUSH

FASCINE TREATMENT.

12" TO 18"

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D5

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS - CHANNEL

DIVERSION STRUCTURE

& SOD HARVEST

11/29/2016

16077

DIVERSION

STRUCTURE

TOP

DIVERSION

STRUCTURE

TOE

EXTEND COMPACTED ROCK/SOIL FILL

APPROX. 0.5' ABOVE FLOODPLAIN

EXISTING

FLOODPLAIN

EXISTING CHANNEL

BOTTOM

EXCAVATE 12" MIN. BELOW

CHANNEL BOTTOM PRIOR

TO PLACING FILL MATERIAL

WETLAND SOD MATS

(2 COURSES, EXTEND UP

TO FLOODPLAIN HEIGHT)

EXISTING CHANNEL

TOP OF BANK

12" MIN. THICK

LOOSE TOPSOIL

COMPACTED ROCK/SOIL

FILL MATERIAL

(SEE SPECIFICATIONS)

PLACE HARVESTED SOD

(IF AVAILABLE) PRIOR TO

PLACEMENT OF SLASH

EXISTING GROUND

EXCAVATE 12" MIN. BELOW

EXISTING GROUND PRIOR TO

PLACING FILL MATERIAL

FLOW

F L O

W

NOTES:

1. PLACE FILL MATERIALS IN 6" MAX LIFTS

& COMPACT TO SPECIFICATIONS.

2. PLACE TOPSOIL & LOOSELY COMPACT

TO FACILITATE PLANT GROWTH.

COMPACTED ROCK/SOIL FILL

MATERIAL (SEE SPECIFICATIONS )

CHANNEL DIVERSION STRUCTURE PROFILE VIEW

SCALE: NTS

CHANNEL DIVERSION PLAN VIEW

SCALE: NTS

1' TO 1.5' ABOVE

FLOODPLAIN

MATCH TO

EXISTING GROUND

ROCK ARMORING (1.5' THICK)

EXTEND 2' MIN UP SIDE SLOPE.

KEY TRENCH

2'

2'

1' TO 1.5' ABOVE

FLOODPLAIN

CHANNEL DIVERSION STRUCTURE CROSS-SECTION

SCALE: NTS

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

ROCK FILTER

LAYER (6" THICK)

8' MIN

PLACE HARVESTED SOD

(IF AVAILABLE) PRIOR TO

PLACEMENT OF SLASH

12" MIN. THICK

LOOSE TOPSOIL

EXTEND COMPACTED ROCK/SOIL FILL

APPROX. 0.5' ABOVE FLOODPLAIN

APPROX. 6'

GRADUALLY TAPER TO

MATCH FLOODPLAIN

FILL AREA

FILL AREA

ROCK ARMORING

WETLAND SOD

MATS

PLACE SLASH

WHERE CHANNEL

DIVERSION

STRUCTURE

MEETS EXISTING

STREAMBANK

(TYP ALL FOUR

CORNERS)

HARVEST SOD TO 3" DEPTH

EXISTING GROUND

SOD HARVEST

SCALE: NTS

FILL AREA TOP

ENGINEER:

DRAWN BY:

B. DAVIS

A. HEITMANN

A. HEITMANN

SHEET NAME:

SHEET:

PROJECT NO.:

DATE:

D6

NO. DATE REVISIONS BY CHK

11/28/2016

COORDINATE SYSTEM:

SCALE:

APPROVED:

DATE:

ISP, NAD 83, US FT, WEST

AS SHOWN

S. FIROR

11/29/2016

DETAILS - SYSTEM OF

WOOD, FILL AREA, &

FOOT TRAIL

11/29/2016

16077

NEWSOME CREEK REACH 2

STREAM HABITAT IMPROVEMENT

NEAR ELK CITY, IDAHO

VARIES

TYPICAL CROSS-SECTION FOR FILL AREA

SCALE: NTS

EXISTING CHANNEL

LOOSELY COMPACTED

TOPSOIL (IF AVAILABLE)

INCORPORATE

ROUGHNESS

OVER-EXCAVATE 3" TO

RETAIN EXISTING SOD

(IF AVAILABLE) AS

REQUESTED BY GOV'T

(TYP BOTH BANKS)

ON-SITE ALLUVIUM FROM

DESIGN CHANNEL EXCAVATION

6"

REVEGETATION BY

OTHERS

FILL AREA END TAPER DETAIL

SCALE: NTS

FOOT TRAIL

SCALE: NTS

MATCH TO EXISTING

FLOODPLAIN ELEV.

SLASH & LOGS

(TYP)

MAINTAINED CLEARED

WIDTH (MIN 6', MAX 8')

LEVEL EXISTING FLOODPLAIN SURFACE

(COMPACTION NOT REQUIRED)

FLOODPLAIN ROUGHNESS,

LOGS, & SLASH (TYP)

SYSTEM OF WOOD PLACEMENT (TYPICAL)

SCALE: NTS

CHANNEL SPANNING

KEY STRUCTURE

CHANNEL SPANNING

KEY STRUCTURE

PLACE LOOSE LOGS & LOOSE

LOGS W/ ROOTWADS

RANDOMLY ALONG BOTH

BANKS. PLACE IN AN IRREGULAR

PATTERN WITHOUT GRIDDING.

NOTE:

PLACE APPROX. 15 TO 20 LOGS

PER 100 LF OF DESIGN CHANNEL.

DESIGN CHANNEL TOP OF BANK

DESIGN CHANNEL CENTERLINE

FLOODPLAIN

ROUGHNESS,

LOGS, & SLASH

PLACE LOGS & SLASH

ON FILL SLOPE

REVEGETATED

BY OTHERS

KEY IN LOGS ALONG TOE

IN IRREGULAR PATTERN

12" THICK TOPSOIL

OLD CHANNEL BOTTOM

EXISTING FLOODPLAIN

COMPACTED ALLUVIUM

MATERIAL FROM DESIGN

CHANNEL EXCAVATION

MIN 3