combined_dwgs.pdf

Pine Ridge District

PROJECT

LOCATIONS

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Project Area Road #702

Forest Service

R oad #702

Forest ServiceRoad #702

Location:

To access the south end of the project, from Chadron, go south on US Hwy.

385 approx. 13 miles to the intersection with Table Road, turn west and travel approx. 5.5 miles to the intersection with the McGannon Road, turn west and travel approx. 1.8 miles to the intersection with Forest Service Road #702, turn north and travel approx. 2.5 miles to the south end of the project.

To access the north end of the project, from Chadron, go west on US Hwy.

20 approx. 4 miles to the intersection with Deadhorse Road, turn south and travel approx. 10.5 miles to the intersection with Forest Service Road #702, turn west on Road #702 and travel approx. 0.5 miles to the north end of the project.

Work to perform includes blading 1.55 miles of roadbed, reconstrcting/constructing drainage dips and leadoff ditches, clean debris out of the CMP at the creek crossing, remove an existing CMP, installing gabion baskets at a washout area, and installing straw wattles at designated locations along the roadway.

Alternate Bid Item 07 work includes reconstructing the remaining portion of Road #702 (an additional 3.0 miles) which includes reconstructing the roadbed, existing drainage dips, and leadoff ditches. This includes beginning at Road #702 intersection with Deadhorse Road running to Station 32+60 on the north end, and from Station 114+44 to the intersection with the McGannon Road on the south end.

CMP removal/ gabion installation at washout location

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CMP clean-out at creek crossing.

Begin Base Item work at Station 32+60.

End Base Item work at Station 114+44.

CMP - corrugated metal pipe.

Option Item 07 - Road #702 Reconstruction - North end.

Begin at intersection with Deadhorse Road and end at Sta. 32+60.

Option Item 08 - Road #702 Reconstruction - South end.

Begin Sta 114+44 and end at intersection with McGannon Road.

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Pr oj ec t A re as

R oa d #7

Lo ca tio n:

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Hudson-Meng Education and Research Center

Forest Service Road #945

Project Area Road #945

Roa d #

Location: To access Forest Service Road #945, travel on State Hwy. 2/71 north of Crawford for approximately 5 miles to the Toadstool Road intersection. Turn west on Toadstool Road and travel approximately 7 miles to the intersection with Sand Creek Road. Turn west onto Sand Creek Road and travel approximately 6 miles to the intersection with the Milo Road. Turn south and travel approximately 1.5 miles to the intersection with Forest Service Road #945. Turn west and follow Road #945 to the beginning of the project as shown. Project begins at the bottom of a steep uphill section of Road #945 and ends at the top of the steep grade (0.5 miles).

Sand Creek Road and Milo Road are Sioux County roads. Toadstool Road is a Dawes County road.

Work to perform includes reconstructing 0.5 miles of roadbed (as Shown on the Drawings), installing check dams and drainage dips, and installing straw wattles.

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WASHOUT

PLAN VIEW

WASHOUT

SECTION

STRAW WATTLE TRENCH

INSTALLATION

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South Crossing

North Crossing

South Crossing

North Crossing

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SITE VIEW

SECTION VIEW

PLAN VIEW

PLAN VIEW

SECTION VIEW

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PLAN VIEW

STRAW WATTLE INSTALLATION

CHECK DAM CROSS SECTION

CHECK DAM DETAIL

STRAW WATTLE TRENCH

INSTALLATION

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DRAINAGE DIP PROFILE

DRAINAGE DIP PLAN VIEW

INSLOPE ROAD SECTION

ROAD #945

EMBEDDED ROAD SECTION

ROAD #702

TYPICAL ROAD SECTION

ROAD #702