Brush Mountain Portals II_Final Plans.pdf

2000100002000

PROJECT LOCATION MAP

DESCRIPTION

INDEX OF SHEETS

BLACKSBURG, VA QUADRANGLE

10/21/26

N

Virginia

Virginia

Maryland

NorthTennessee

Kentucky

West

Carolina

GENERAL NOTES

1. Before performing any excavation, contact Miss Utility, (800) 810-7197, to confirm the location of any below ground utility lines in the work area.

2. Before starting the work, contact the Agency for proper clearance and be governed by the Agency's instructions.

3. The contractor is responsible for scheduling, expediting, directing, inspecting and coordinating the work so as to complete the work in the time agreed upon.

4. Work in close cooperation with the Agency and others engaged in the project so that the work will be completed in an orderly manner.

5. Provide temporary supports as may be required during construction to ensure the stability of the proposed excavation.

BRUSH MOUNTAIN PORTALS II PROJECT

MINED LAND REPURPOSING

ABANDONED MINED LAND SECTION

PROJECT LOCATION

BLACKSBURG

Montgomery County

Meadowbrook D r

Mine Portal 1

Mine Portal 1

X

X X

SF

SF

PS

MU

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Se di m en t C on tro l

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Contour(25') Contour(5')

Access Route

Stream

Limit of Disturbance

100500100

Silt Fence X X

SF

Permanent Seed PS

Mulch MU

General Construction Sequence

1. Mobilize.

2. Install Silt Fence.

3. Install Mine Portal Closure 1.

4. Revegetate all disturbed areas.

Notes

1. The project shall be completed using minimal impact means and methods.

2. All material shall meet standards and criteria of the Build America, Buy America (BABA) Act.

3. Maintain storm water drainage through existing shoulder ditches.

Legend

3015030

Road

0.42 mile to

Glade Rd

FILTER FABRIC

3. BACKFILL AND

COMPACT THE

EXCAVATED SOIL.

1. SET POSTS 5' APART AND

EXCAVATE A 4" X 4" TRENCH

UPSLOPE ALONG THE LINE OF POSTS.

2. ATTACH THE FILTER FABRIC

TO THE POSTS AND EXTEND IT

INTO THE TRENCH.

Silt Fence N.T.S.

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SPEC.

NO.

SUMMARY OF QUANTITIES

DESIGN

QUANTITIESDESCRIPTION UNIT

N/AEAMOBILIZATION

Note: Not all quantities represent payable items. For pay items, see Bid Schedule.

6.B.iii

6.B.vi

PORTAL CLOSURE: WIRE CABLE NET* EA 16

EA 8

4 SILT FENCE* FT 55

5 SPOIL CLEANUP HR 8

LIME7.C.i 10 FERTILIZER7.E.i LB 12.5

CLEAN UP - -

QUALITY CONTROL

SAFETY PRECAUTIONS

FUGITIVE DUST CONTROL

- -11

STEEL NET CLIPS* EA 250

FT 3506.B.i FT 406.B.ii

1/4" AIRCRAFT CABLE*

5/16" AIRCRAFT CABLE*

REVEGETATION7 AC 0.25

ROCK ANCHORS*

6.B.iv

EARTH ANCHORS* EA 8

EA 60

6.B.v

STEEL THIMBLE FITTINGS*

3 PROJECT SIGN N/A N/A

LB

*All material used shall be required to meet all standards and criteria of the Build America, Buy America (BABA) Act.

2 SITE PREPARATION AC 0.1

Wire Cable Portal Closure N.T.S.

6" Min

6" Min

Grid Cable

Perimeter Cable

1. USE 7X19 GALVANIZED AIRCRAFT CABLE, 14" Ø TO FORM A 6"X6" GRID PATTERN NET.

2. THE GRID IS PLACED UNDER AN EVENLY DISTRIBUTED LOAD AND GALVANIZED OR STAINLESS

STEEL CLIPS ARE SECURED AT ALL INTERSECTIONS. SEE SPECIFICATIONS FOR DETAILS.

3. A PERIMETER CABLE OF 7X19, 5

16" Ø GALVANIZED AIRCRAFT CABLE IS STRUNG THROUGH THE

OUTER LOOPS OF THE NET AND EYE OF THE SET ANCHORS.

4. PLACE A MINIMUM OF FOUR(4) ANCHORS AT THE CORNERS OF THE GRID PATTERN.

ADDITIONAL ANCHORS SHALL BE SPACED ON FOUR(4) FOOT CENTERS ALONG THE PERIMETER

CABLE, PLACE AS NEEDED.

Splice Perimeter Rope onto itself using swage sleeves.

See Detail.

Ends of Grid Cable are Looped Around the

Perimeter Cable. See Detail.

Tension Cable (Optional)

Anchor

Rock Anchor N.T.S.

1. DRILL A HOLE A MINIMUM OF 12" INTO SOLID UNWEATHERED

ROCK.

2. PLACE THE ANCHOR ROD INTO THE HOLE. EYE OF THE ROD SHALL

NOT BE BELOW THE GROUND.

3. USE A BAR THROUGH THE ANCHOR EYE TO TURN THE ROD AND

EXPAND THE WEDGES INTO THE ROCK.

4. PLACE ALL BORED/DRILLED OUT MATERIAL BACK INTO THE HOLE.

5. ROD LENGTH: VARIES, ROD DIAMETER: 34", HOLE DIAMETER: 1-7

8"

12" Min

Varies

Solid Rock

Cable Earth Anchor N.T.S.

1. DRIVE ANCHOR HEAD INTO UNDISTURBED EARTH.

2. LOCK/SECURE ANCHOR HEAD INTO EARTH ACCORDING TO

MANUFACTURERS SPECIFICATION.

3. CABLE LOOP SHALL NOT BE BELOW SURFACE OF GROUND.

4. CABLE LENGTH: 30", CABLE DIAMETER: 18"

30" Min

Swage Sequence Detail N.T.S.

2 Swages

16" & 3 32" Cable

1 2

3 Swages 8" & 5

32" Cable12 3

4 Swages

16" & 14" Cable12 34

5 Swages

16" & 38" Cable21345

Wire Rope End Splice N.T.S.

1. Use aluminum "hour glass" sleeve.

2. Use correct swage sequent based on cable size.

Live End of Rope

Live End of Rope

Wire Rope Thimble (Optional)

Wire Rope Swaged Loop N.T.S.

1. Use aluminum "hour glass" sleeve.

2. Use correct swage sequence based on cable size.

Swaging Sleeve

Swaging Sleeve

Live End of Rope

4" 2" of4 4

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