Attachment_J2_Crooked River Phase 4 Drawings_Sheets6.0Thru7.3.pdf

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Nez Perce-Clearwater NFs - Crooked River Valley Restoration Phase 4
Solicitation number
12363N21R4001
Issued by

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This federal contract solicitation from the Department of Agriculture Forest Service seeks restoration services for Crooked River Valley Phase 4 in Nez Perce-Clearwater National Forests. The objective is to address impacts of historical dredge mining by moving Crooked River from the bypass channel into the new channel constructed in previous phases, constructing additional floodplain, and installing instream habitat features and riparian plantings. Offerors must remove a temporary bridge, grade approximately 4 acres of tailings piles and 12 acres of levee/haul road to complete floodplain construction and fill the temporary bypass channel, hauling material as needed from work areas and a south staging area.

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MATERIAL SCHEDULE (PER LINEAL FOOT)

ITEM QUANTITY DIA. (IN) LENGTH (FT)

G) CY OF SUBGRADE EXCAVATION 1.4-2.7

1(2)

(3)

(4)

(5)

CY OF STREAMBANK FILL 0.5 -1.2

SMALL LOGS 0.3 6 - 12 8- 12

*MEDIUM LOGS 0.2 12 -15 20-25

BRUSH 0.3 3-6 8- 12

*NOTE: LARGER LOGS MAY BE SUBSTITUTED IN AREAS WHERE

STRUCTURE DEPTHS ARE GREATER THAN 3 FEET.

TOP OF BANK

REFERENCE POINT

-- --4.5'-----1-+----- - - - - - --15.0'- - - - - - - - --

/ --r-

2_5• MINIMUM SUBGRADE

r2.5'----i----+-------12.5'---------- , 5a

L L"

MAXIMUM SUBGRADE

ou· �

0.5' L-4_0·-----------10.5'-- -------t-

TOE CONSTRUCTION DETAIL

CROSS SECTION o· 2' 4'

8.0'

MAXIMUM PROJECTION

FROM TOP OF BANK

TOP OF BANK

-:- WATER SURFACE

BASEFLOW WATER SURFACE

CHANNEL

2'

8.0'

MAXIMUM PROJECTION

FROM TOP OF BANK

1.0'

MAXIMUM PROJECTION

FROM TOP OF BANK

PE2

SECTION VIEW O' 2'

TOP OF BANK

REFERENCE POINT

LARGE WOOD STRUCTURE TYPE 2

PLAN VIEW O' 2'

4'

4'

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A.

z

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PROJECT NUMBER

RDG-15-009

SHEET NUMBER

7.1

2019-12-9 Crooked River Phase 4 Drawings_FINAL_Part1
2019-12-9 Crooked River Phase 4 Drawings_FINAL_Part2
2019-12-9 Crooked River Phase 4 Drawings_FINAL_Part3
2019-12-9 Crooked River Phase 4 Drawings_FINAL_Part4

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