PLANS ARQS DEP24-105-AML-Carbondale (Hill) Portals Phase II Construction.pdf

Barbour

Berkeley

Boone

Braxton

Brooke

Cabell

Calhoun

Clay

Doddridge

Fayette

Gilmer

Grant

Greenbrier

Hampshire

Hancock

Hardy

Harrison

Jackson

Jefferson

Kanawha

Lewis

Lincoln

Logan

Marion

Marshall

Mason

McDowell Mercer

Mineral

Mingo

Monongalia

Monroe

Morgan

Nicholas

Ohio

Pendleton

Pleasants

Pocahontas

Preston

Putnam

Raleigh

Randolph

Ritchie

Roane

Summers

Taylor

Tucker

Tyler

Upshur

Wayne

Webster

Wetzel

Wirt

Wood

Wyoming

STATE VICINITY MAP

DATE

COUNTY VICINITY MAP

FAYETTE COUNTY MAP #1

USGS VICINITY MAP

MONTGOMERY QUADRANGLE

INDEX TO SHEETS

NO.

DESCRIPTION

Title Sheet

PROJECT SITE

CHARLES B. KURZYNA, R.P.E. #10634

Existing Conditions, Control Point References and Tax Map

Reclamation and Proposed Mine Seals (Erosion & Sedimentation)

Profile - Wet Seals (1 of 2)

Geologic Column from Drill Hole

Mine Seal Details

Haulroad, Stabilized Construction Entrance, Road Crossings, & Rock Check Dams Details

BID FORM

ITEM #

1.1

DESCRIPTION

Mobilization and Demobilization (shall not exceed 5% of total)

3.1

4.1

2.1

4.2

4.3

5.2

6.1

5.1

4.5

QUANTITY UNIT PRICE

AMOUNT

Construction Layout (shall not exceed 3% of total)

Quality Control (shall not exceed 3% of total)

Site Preparation (shall not exceed 10% of total)

Gravel Drive Rehabilitation, per ton

Access Road Construction, per ton

Temporary 24-inch Pipe, per linear foot

Woven Belted Silt Fence, per linear foot

Stabilized Construction Entrance, per ton

Revegetation, Lump Sum

7.2

7.1 $ $$ $

290 Riprap Lined Channel, per linear foot

Riprap “Vee” Channel Road Crossing, per each

7.4

4 Piezometer Abandonment, per each

LS

LS

LS

LS

9.1 Wet Mine Seal, per each

9.3

9.2

530 Mine Seal Conveyance Pipe, per linear foot

Mine Seal Stone, per ton

5.5 $ $1 Sediment Sump, per each

Profile - Wet Seals (2 of 2)

7.3 4 “Waterbar” Channel Road Crossing, per each

5.3 10 Rock Check Dam, per each

9.4 10 Soda Ash Briquettes (50 lb. bag), per each

LS

4.4 $ $$ $$ $$ $850 Stabilization Fabric, per square yard

$ $$ $5.4 1000 Rolled Erosion Control Product (RECP), per square yard

COMMODITY #

PROJECT SITE

Sediment Sump, Silt Fence & Rolled Erosion Control Product Details

May 22, 2024

AutoCAD SHX Text WEST VIRGINIA DEPARTMENT OF ENVIRONMENTAL PROTECTION CABINET SECRETARY HAROLD WARD OFFICE OF ABANDONED MINE LANDS AND RECLAMATION CARBONDALE (HILL) PORTALS PHASE II FAYETTE COUNTY, WEST VIRGINIA

S9 ° 0

6'

9" E

1.

TI

E)

Existing Access Road to Water Tank

Existing Cemetery

E:

1, 0, E:

1, 0, E:

1, 1, E:

1, 1, E:

1, 1, E:

1, 1, E:

1, 2, E:

1, 2, E:

1, 2, E:

1, 2, E:

1, 3, E:

1, 3, E:

1, 3, 0N:432,000

N:431,750

N:431,500

N:431,250

N:431,000

N:430,750

N:430,500

N:430,250

N:430,000

Smithers

THE KANAWHA-GAULEY COAL & COKE COMPANY

10-03-0021-0001-0000

Tank

P-3, 12" Pipe

P-4, No Pipes Located

P-5, 2-12" Pipes

P-6, 12" Pipe

P-7, 2-12" Pipes P-8, 12" Pipe

P-9, No Pipes Located

P-10, 12" Pipe

P-11, 12" Pipe

Hillside Seep

THE KANAWHA-GAULEY COAL & COKE COMPANYTHE KANAWHA-GAULEY COAL & COKE COMPANY

10-11-0006-0293-0000

THE KANAWHA-GAULEY COAL & COKE COMPANY

10-11-0006-0293-0000

Exit (2) Siphon Tubes

Pre- La w H igh wall

Water Flowing at Several Locations

TB-3C

Piezometer Site

N 430,070.07 E 1,880,991.91 El 785.41 (Bottom No. 2 Gas Seam)

TB-1

Piezometer Site

N 430,889.14 E 1,881,989.48 El 791.02 (Bottom No. 2 Gas Seam)

TB-4

Bench Material Site N 430,272.59 E 1,881,142.24 El 797.40

TB-5

Bench Material Site N 430,841.42 E 1,881,779.94 El 788.28

TB-2C

Piezometer Site

N 430,362.09 E 1,881,305.59 El 784.33 (Bottom No. 2 Gas Seam)

TB-2A

Piezometer Site

Offset 8.0' SE of TB-2C

Cabot Gas Line

Existing Access Road to No. 2 Gas Bench

EXISTING GAS LINE

RIGHT OF WAY

LEGEND

OVERHEAD ELECTRIC/CABLE

OVERHEAD ELECTRIC

EXISTING FENCE LINE

EXISTING WATER LINE

PROPERTY LINE

OVERHEAD ELECTRIC/CABLE/TELEPHONE

UTILITY POLE

TRACT LINE

STREAM

W

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MINE PORTAL SURVEY

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C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION

IT CONTAINS, IS THE PROPERTY OF NEW RIVER

ENGINEERS, INC., AND IS NOT TO BE COPIED

OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

GRAPHIC SCALE

100050100

FIELD DESCRIPTION

Initial surveying and reconnaissance of the AML/EOI Carbondale (Hill) Portals Phase II was performed by WV DEP personnel and Mead and Hunt, Inc.

Potential mine portals were identified and location surveyed. Aerial base mapping, by Kucera International, Inc, has been provided for the project.

Additional conventional surveying methods by New River Engineers, Inc.

(NREI) located other drainage features not identified on the base mapping and other relevant features. NGE Environmental & Geotechnical Engineering Solutions performed geotechnical drilling for the subject project.

NREI prepared design given above conditions.

Control Point No. Northing(Y) Easting(X) Elev(Z) Description

10000 431526.155 1882527.423 745.716 LN-01

10001 431840.307 1882631.255 656.933 RBC-1

1 INCH = 100 FEET

CONTOUR 2 FT

MAPPING SERVICES PROVIDED BY: KUCERA INTERNATIONAL, INC. (04-02-2022)

PROPERTY LINES TAKEN FROM FAYETTE COUNTY TAX DRAWING AND A MAP

PROVIDED BY WESTLAKE INC. THE PARCELS REPRESENTED HERE DO NOT

REPRESENT LEGAL BOUNDARIES OF PROPERTY. THEY HAVE NOT BEEN

SURVEYED BY THE UNDERSIGNED AND ARE NOT CERTIFIED BY THE

UNDERSIGNED.

CONTROL POINTS

DRAINWAY

GULLY

TEST BORING LOCATION

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BL

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AutoCAD SHX Text 10001

AutoCAD SHX Text 656.9

AutoCAD SHX Text

RBC-1

AutoCAD SHX Text 10000

AutoCAD SHX Text 745.7

AutoCAD SHX Text

LN-01

AutoCAD SHX Text 10001

AutoCAD SHX Text 656.9

RBC-1

S9 ° 0

6'

9" E

1.

TI

E)

Existing Access Road to Water Tank

Existing Cemetery

E:

1, 0, E:

1, 0, E:

1, 1, E:

1, 1, E:

1, 1, E:

1, 1, E:

1, 2, E:

1, 2, E:

1, 2, E:

1, 2, E:

1, 3, E:

1, 3, E:

1, 3, 0N:432,000

N:431,750

N:431,500

N:431,250

N:431,000

N:430,750

N:430,500

N:430,250

N:430,000

Drainway P-10

Drainway P-9

Drainway P-5

Smithers

THE KANAWHA-GAULEY COAL & COKE COMPANY

10-03-0021-0001-0000

Tank

THE KANAWHA-GAULEY COAL & COKE COMPANYTHE KANAWHA-GAULEY COAL & COKE COMPANY

10-11-0006-0293-0000

THE KANAWHA-GAULEY COAL & COKE COMPANY

10-11-0006-0293-0000

Drainway P-11

Drainway P-8

Drainway P-7

Drainway P-4

Drainway P-3a Drainway P-3

P-11 Wet Seal

P-10 Wet Seal

P-9 Wet Seal

P-8 Wet Seal

P-7 Wet Seal

P-6 Wet Seal

P-5 Wet Seal

P-4 Wet Seal

P-3 Wet Seal

Wet Seal P-3a

Eliminate Drain for P-6 Seal, Divert Channel 6 to 7

Abandon Piezometer Site

Abandon Piezometer Sites (2 Borehole at this Location)

Abandon Piezometer Site

0+00

2+00

4+00

5+40

Establish Positive Drainage on Bench to Constructed Outlets

Stabilized Construction Entrance, 70 Ft

Cabot Gas Line

Existing Access Road to No. 2 Gas Bench

Proposed Temporary Culvert 24" Pipe to be Removed after Construction and Replace by Proposed Water Bar

Sediment Sump

Access Road Construction

Channel 8

Channel 11

Channel 10

Channel 7

Channel 3a

Channel 4

Channel 5

Channel 9

Channel 6

Channel 3

S Construction Sign with WVDEP NPDES ID and Rain Gauge (may also use NOAA Online Weather Data - Charleston Yeager, WV

The locations shown for existing utilities are approximate. Additional utilities may exist beyond those shown. It shall be the contractor's responsibility to locate any above ground or underground utilities prior to construction and avoid utilities during construction

EXISTING OR PROBABLE MINE OPENING

RIP RAP CHANNEL

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EXISTING GAS LINE

RIGHT OF WAY

LEGEND

OVERHEAD ELECTRIC/CABLE

OVERHEAD ELECTRIC

EXISTING FENCE LINE

EXISTING WATER LINE

PROPERTY LINE

OVERHEAD ELECTRIC/CABLE/TELEPHONE

TRACT LINE

DRAINWAY

W

E

BENCH MARK

UTILITY POLE

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C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION

IT CONTAINS, IS THE PROPERTY OF NEW RIVER

ENGINEERS, INC., AND IS NOT TO BE COPIED

OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

GRAPHIC SCALE

100050100

ACCESS ROAD CONSTRUCTION

GRAVEL DRIVE REHABILITATION

1 INCH = 100 FEET

CONTOUR 2 FT

CONSTRUCTION LIMIT

PROPOSED MINE SEAL

ROAD CROSSING

PIEZOMETER SITE

In iti al

C ha ng es to D ra w in gs a fte r F ie ld V is it

/1

5/

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C ha ng es to

R oa d C ro ss in gs

S ea l O ut le t D es ig n

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CONTRACTORS' IS RESPONSIBILITY FOR UTILITIES.

MAPPING SERVICES PROVIDED BY: KUCERA INTERNATIONAL, INC. (04-02-2022)

PROPERTY LINES TAKEN FROM FAYETTE COUNTY TAX DRAWING AND A MAP PROVIDED

BY WESTLAKE INC. THE PARCELS REPRESENTED HERE DO NOT REPRESENT LEGAL

BOUNDARIES OF PROPERTY. THEY HAVE NOT BEEN SURVEYED BY THE UNDERSIGNED

AND ARE NOT CERTIFIED BY THE UNDERSIGNED.

STABILIZED CONSTRUCTION ENTRANCE

MINE SEAL PIPE TRENCH AREA

STREAM

GULLY

SILT FENCE

NPDES SIGN LOCATIONS

Ad de d

U til ity C om m en t

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U se o f F ilt er

F ab ric

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AutoCAD SHX Text 10001

AutoCAD SHX Text 656.9

AutoCAD SHX Text

RBC-1

AutoCAD SHX Text 10000

AutoCAD SHX Text 745.7

LN-01

0+00 1+00

800 800

0+40 0+800+600+20

820 820

780 780

760 760

740 740

0+00 1+00

800 800

0+40 0+800+600+20 1+20

820 820

780 780

760 760

740 740

720 720

0+00

800 800

0+40 0+800+600+20

820 820

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0+00 1+00

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780 780

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0+00 1+00

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820 820

780 780

760 760

740 740

1+20

Proposed Wet Seal 4 Profile

Scale: 1" = 20'

Existing Grade, Drainway P-4

Channel 4

Finish Grade

Proposed Wet Seal 5 Profile

Scale: 1" = 20'

Proposed Wet Seal 7 Profile

Scale: 1" = 20'

Existing Grade, Drainway P-7

Road

Channel 7

Finish Grade

Proposed Wet Seal 6 Profile

Scale: 1" = 20'

Intersect Channel 7

Silt Fence

Bulkhead

Stone

Trench Stone

Trench Stone

Road

Bulkhead

Stone

Trench Stone

Channel 5 Finish Grade

Road

Bulkhead

Stone

Trench Stone

Road

Bulkhead

Stone

Existing Grade, Drainway P-5

75'

15'

39'

35'

Channel 6 Finish Grade

Proposed Wet Seal 3a Profile

Scale: 1" = 20'

Existing Grade, Drainway P-3a

Proposed Wet Seal 3 Profile

Scale: 1" = 20'

Existing Grade, Drainway P-3

Bulkhead

Stone

Channel 3

Finish Grade

"Waterbar" Channel

Road Crossing

40'

Bulkhead

Stone

Road

Trench Stone

Mine Seal Stone

Silt Fence

Silt Fence

Silt Fence

20'

Silt Fence

Silt Fence is located Downhill of Channel 6

16'

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

Channel 3a Finish Grade

Total Depth = 2.0

2.0

Existing Ground

2.0

Freeboard = 0.5 Ft.

Flow Depth = 1.5'

Typical Channel Details

Not to Scale

Rip Rap Channel:

Dmin 6"

D50 12"

Dmax 18"

Rip Rap Layer:

1.5 X D50 Size

Bottom Width = 2.0'

2001025

1 INCH = 20 FEET

GRAPHIC SCALE

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C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION

IT CONTAINS, IS THE PROPERTY OF NEW RIVER

ENGINEERS, INC., AND IS NOT TO BE COPIED

OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

N E

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Bulkhead/Seal Stone

Seal SDR-21 Pipe

LEGEND

Original Ground Line

Approximate No. 2 Gas Seam

Trench Stone

Channel

Road Location

Riprap "Vee/Waterbar" Channel Road Crossing

F i x e d

S p e l l i n g i n

W e t

S e a l

V

0+00 1+00

800 800

0+40 0+800+600+20

820 820

780 780

760 760

740 740

0+00 1+00

800 800

0+40 0+800+600+20

820 820

780 780

760 760

740 740

0+00 1+00

800 800

0+40 0+800+600+20

820 820

780 780

760 760

740 740

0+00 1+00

800 800

0+40 0+800+600+20

820 820

780 780

760 760

740 740

Scale: 1" = 20' Scale: 1" = 20'Scale: 1" = 20'

Proposed Wet Seal 8 Profile

Scale: 1" = 20'

Existing Grade, Drainway P-8

Road

Bulkhead

Stone

Proposed Wet Seal 9 Profile

Scale: 1" = 20'

Existing Grade, Drainway P-9

Bulkhead

Stone

Proposed Wet Seal 10 Profile

Scale: 1" = 20'

Channel 10

Finish Grade

Channel 8

Finish Grade

Channel 9

Finish Grade

Proposed Wet Seal 11 Profile

Scale: 1" = 20'

Riprap 'Vee' Channel Road Crossing

Existing Grade, Drainway P-11

Bulkhead

Stone

Channel 11

Finish Grade

Silt Fence

Bulkhead

Stone

Riprap 'Vee' Channel

Road Crossing

Silt Fence

Existing Grade, Drainway P-10

Silt Fence

Riprap 'Vee' Channel

Road Crossing

Silt Fence

Trench Stone

15'

15'

10'

10'

Mine Seal Stone

Mine Seal Stone Mine Seal Stone

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

(2) 12" SDR-21 Pipe

Total Depth = 2.0

2.0

Existing Ground

2.0

Freeboard = 0.5 Ft.

Flow Depth = 1.5'

Typical Channel Details

Not to Scale

Rip Rap Channel:

Dmin 6"

D50 12"

Dmax 18"

Rip Rap Layer:

1.5 X D50 Size

Bottom Width = 2.0'

2001020

1 INCH = 20 FEET

GRAPHIC SCALE

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(2 o f 2

Bulkhead/Seal Stone

Seal SDR-21 Pipe

LEGEND

Original Ground Line

Approximate No. 2 Gas Seam

Trench Stone

Channel

Road Location

Riprap "Vee/Waterbar" Channel Road Crossing

AutoCAD SHX Text C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION IT CONTAINS, IS THE PROPERTY OF NEW RIVER ENGINEERS, INC., AND IS NOT TO BE COPIED OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

30.0'

1.5'

Road Crossing Sections A-A'

Match Road

Grade

Match Road

Grade

Design Rip Rap

D50 12 in

Dmin 6 in

Dmax 18 in

Flow Level

S lo p e

H

:1 V

S lo p e

H

:1 V

1.5 X D50 Design

Place Sufficient 3" to 6" Stone, to the

Satisfaction of the WVDEP, to

Provide a Smooth Traveled Way

S l o p e r i e s

S l o r i e s

S l o r i e s

F L O

W

A'

S l o r i e s

S l o r i e s

D50 Design Rip Rap D50 Design Rip Rap

S l o r i e s

S l o r i e s

A

Road Crossing Plan View

Limits of Stone Gravel on Travel Surface

0+00 1+00 2+00 3+00 4+00 5+00 6+00

Road Intersection:

Upper Road to Water Tank & No. 2 Gas Bench

No. 2 Gas Bench

Proposed Temporary Culvert 24" (Exit of Culvert is Site of Sediment

Sump) to be Removed after Construction and Replace by Proposed

"Waterbar" Channel Road Crossing at Abandonment

Stabilized Construction Entrance

Not to Scale

"Waterbar" Channel Road Crossing at

Wet Seal P-3

Approximate Proposed "Waterbar" Channel

Road Crossing at Abandonment

Coarse Aggregate

(3"-6" Stone)

Positive Drainage to

Sediment Trapping Device

* Must Extend Full Width of

Ingress and Egress Operation

Coarse Aggregate

(3"-6" Stone)

Riprap “Vee” Channel

Road Crossing (Wet Seals 9, 10 &11)

Not to Scale

Access Road Profile

1" = 50'

Existing

Ground

Existing

Ground

Existing

Access

Mountable Berm

(Optional)

12" Min

Original

Road

Grade

Orient at 2% Gradient to

Low Side of Road

"Waterbar" Channel Road Crossings

Not to Scale

Use Material excavated from Dip to Construct Hump

Approximate 12 Feet

Existing

Roadway

2'

Access Road Construction

Not to Scale

Notes:

1. Roadway Surface May Be Sloped to Either Side as Topography and Conditions Warrant.

2. Access Road Construction Placement 0+00 to 5+40

3. 3" Crusher Run Stone shall be Compacted as Approved by the Engineer.

4. If field conditions dictate being used, stabilization fabric shall be woven fabric that is used to stabilize any soft areas on an access road surface prior to stone application.

Natural

Ground

Suitable Base

Road Ditch Grade

Depth 1.5 Ft.

Slope =

" / Ft.

Slope =

" / Ft.

Final

Grade

Waterbar

Sump

(Optional)

Approximate Proposed "Waterbar" Channel

Road Crossing at Abandonment

Access Road Construction

0+00 to 5+40

Proposed Seal P-3a

3" to 6" Stone

Waterbar Plan View

Side Elevation

Plan View

Section A - A

H

V

H

V

Slope = 10H:1V

Slope = 10H:1V

Slope = 10H:1V

Slope = 10H:1V

Notes:

1. Waterbar shall discharge to a stable area.

2. Waterbar on retired roadways shall be left in place after permanent stabilization has been achieved

6" of 3“ Crusher Run Stone Placement

Rock Check Dam

Not to Scale

Notes:

1. 'X' Dimension as Detailed by the Specifications, for Sediment Control the

Maximum Height of the Rock Check Dam is 3 Feet. However, Rock Check

Dams can be Constructed in Smaller Ditches. The Center of the Rock Check

Dam shall be 6 Inches Lower than the Outer Edges as Shown.

2. Rock Check Dams Are Normally Installed in Existing Drains and the Top Cross

Section of the Dam should have a Level Center Section the same Width as the

Existing Channel Bottom and 6 Inches Lower than the Outer Edges of the Dam.

Rock Check Dams Placed in Project Constructed Flat-Bottom Ditches shall have

Similar Dimensions.

3. The Center of Rock Check Dams Constructed in Project Constructed "Vee"

Shaped or Existing "Vee" Shaped Ditches shall be 6 Inches Lower than and

Sloped to the Outer Top Edges of the Ditch so High Flows Go Over the Top of the Dam and Not Around the Edges.

4. Rock Check Dams shall be Removed after the First Growing Season.

2'

Min

0.5 Ft Min

"X"

Flow

Field Expedient

9" Thickness

Notes:

Certain Installations shall Warrant the addition of 3" Thick 'CAP' Layer of 1-1/2" Clean Stone, when installed at the Location of an Existing Driveway or Vehicular Access. For all Installations, Contractor shall be Responsible for the Maintenance of Such.

0.5 Ft Min

Existing

Ground

Top of Bank of

Existing Drainway

300 Feet, Max. or Spacing Along Drainway

Such that Toe Elevation of the Immediate

Upstream Dam is Equal in Elevation to the Top of the Next Downstream Dam.

"X"

Stream Bottom Width

Top of Bank of

Existing Drainway

Existing Ground

Top of Bank of

Existing Drainway

Drain-Way

Flow Line

3" to 6" Rip Rap

Equal to Stream

Bottom Width

0.5 Ft Min

Existing Ground

Riprap "Waterbar" Channel Road Crossing Section at Wet Seal 3

Check Dam Spacing Along Profile

Profile View

Cross Section View

10' Min

Slope Transition Area, Connects to Exit Channel

Slope Transition Area, Connects to Exit Channel

Slope Transition AreaSlope Transition Area

Road WidthRoad Width

Proposed Exit

Channel

Wet Mine Seal

Discharge

70' Min.

70' Min.

12' Min.

10' Min.

10' Min.

12' Min.* 10' Min.

3" Min.

3" Min.

6", of 3"

Crusher Run

Stone

6", of 3"

Crusher Run

Stone

6" Min. (3"-6" Stone)

Slope = 10H:1V

Slope = 10H:1V

Slope = 10H:1V

Slope = 10H:1V

S l o r i e s

30° l o l o

5:1

A

A

Stabilization Fabric

Stabilization Fabric

Freeboard = 0.5 Ft.

15" Min

0%

0%

R E

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AutoCAD SHX Text C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION IT CONTAINS, IS THE PROPERTY OF NEW RIVER ENGINEERS, INC., AND IS NOT TO BE COPIED OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

Pool Elevation

Minimum Depth

2 Ft

Existing

Ground

Sediment Sump

Not to Scale

Dimension Varies

Notes:

1. Minimum Pool Depth - 24 inches

2. Interior Slopes - 2h:1v

Flow

A

Discharge to Undisturbed /

Stabilized Area

Compacted

Earth

Embankment

A

B

B

4 Ft Min. Width

Pool Elevation

Weir Crest

Rip Rap 3" to 6"

Notes:

1. Area Under Embankment shall be Cleared, Grubbed and Stripped of any Vegetation and Root Mat.

2. All Cut and Fill Slopes - 2h:1v or Flatter.

3. Extend Stone Apron to Stable Outlet.

1 Ft in

Thickness

Varies

Varies

Notes:

1. The Pool Area shall be Cleared

2. Minimum Volume - 240 cubic feet

3. Minimum Pool Depth - 24 inches

4. Interior Slopes - 2h:1v

5. Rip Rap Sump Inlet Protection 3" to 6" in Size with a 1 Foot

Thick Layer.

6. Sediment shall be Removed and Sump Restored to its

Original Dimensions when the Accumulated to one half of the

Storage Depth of the Sump.

Weir Length

2.5 Ft Min

1 Ft Min

Existing

Ground

Rip Rap 3" to 6"

Top of Embankment

C

C

Notes:

1. Spillway Slopes - 2h:1v

2. The Stone used in the Outlet shall be Rip Rap 3" to 6" in

Size with a 1 Foot Thick Layer.

1 Ft Min

1.5 Ft Min

Plan View

Section A - A Section B - B

Section C - C

Wood Stakes

1" X 3" stock cut into triangular shape

12" - 18"

6"

10"

Double row of fasteners at erosion stop

Space fasteners at 12" centers

Overlap edges by 3"

6'' deep x 6'' wide transverse trench at 50' intervals (up slope face)

Overlap RECP ends 6"

Place upper blanket over lower blanket and anchor

RECP

RECP

Erosion stop (check slot)

See Section A-A

See Step 2

See Step 1

See Step 4

See Step 3

Detail A

Typical Ground Fasteners

Section A-A

Erosion Stop (Check Slot)

A

Backfill with soil and tamp

Fastener (Typ.)

Typical staples

No. 11 gauge wire

Install Rolled Erosion Control Product (RECP) along the slopes as follows:

Step 1:

Step 2:

Step 3:

Step 4:

Installation Procedures:

A

Slope Stabilization with

Rolled Erosion Control Product (RECP)

Not to Scale

Stake at 36" to 60" intervals with ground fasteners

See Detail A

Grade, smooth, and compact slope. Remove rocks, trash, and other material which will prevent the RECP from laying flush with the ground. Do not track slope face.

Apply seed and fertilizer as recommended by the manufacturer.

Unroll and lay RECP out down slope face

(in the direction of flow). Anchor at top of slope. Do not stretch RECP.

Secure RECP with wood or metal fasteners.

See Detail A.

26"

22"

Trench

Front Elevation

4' Long Wood (Oak) or Steel

Post Spaced at 6'-0" Max

26"

22"

24"

8"

4"

10' To Toe of Slope

Fabric to be 24" Above

Ground with "J" in Trench

Flow

4" x 8"

Trench

Side View

Toe in and Compact Backfill

Ground Line

Bottom of

Trench Line

36" Silt-Saver WBSF-6

Staples or Wire Ties to be Placed at Each

Support Band.

(5 Bands Total)

Twist Posts

Together

Final Configuration

Hardwood Post

Medium Duty Woven Belted

WBSF-6 Silt Fence

Standard

Not to Scale

24"

Joining Two Adjacent Silt

Fence Sections (Top View)

5 Staples

(1" x 1

(1

" x 1

" x 48")

(or Equal Density)

Step 1

Step

Step 3

Post

Staple

Staple

Staple

Staple

Staple

Staple

Staple

Staple

BA

A

B

A

B

A B

1.5 Ft Min

C A

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D A

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S H

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N

U M

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D R

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C H

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S h r e w s b u r y

W W

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F I C

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AutoCAD SHX Text C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION IT CONTAINS, IS THE PROPERTY OF NEW RIVER ENGINEERS, INC., AND IS NOT TO BE COPIED OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

Roof

Pavement

Concentrated

Drainage

(2) EA. 12" Dia.

SDR-21 Perf. HPDE

Pipes

Edge

Highwall

Extend Pipes into Entryway as Far as Practical

Approximate Limits of Excavation

S t o n e

B u l k h e a d

(2) Ea. 12" Dia.

SDR-21 Solid HPDE

Pipes

12" Ø SDR-21 Perf.HPDE

Cross-Over Pipe

Bulkhead, Non-Calcareous 3" to 6" Stone

Placed so that No Voids Exist Between the

Pavement, Ribs, Roof, and Bulkhead.

S l o p o s e

S l o p o s e

Wet Mine Seal Detail

Not to Scale

Notes:

1. The One (1) Joints (14.0 Feet) of Mine Seal Outlet Pipes shall be

Included in the Unit Price Bid for "Wet Mine Seals" regardless of where these pipes end in the installation.

2. The Mine Seal Conveyance Pipe Lengths Vary and shall be included in the Unit Price Bid for "Mine Seal Conveyance Pipes."

3. Jointing procedures are to be "Butt Fusion Weld."

Entry

Rib

Non-Calcareous 3" to 6"

Stone Placed so that No

Voids Exist Between the

Pavement and Highwall

Conveyance Pipes

Discharge onto Riprap

“Vee” Channel Road

Crossing, Drainageway or

Proposed Channel

Varies

Varies

Wet Seal Pipes within Deep Mine

Not to Scale

End View, Typ.

6" Min. Depth

3" to 6" Stone

Mine Seal Stone, Backfilling the

Opening to Near Original Grade or

Minimum of 2.0 Ft above Coal Roof.

Plan View, Top of Bulkhead Elevation

2.5 Ft., Typ.

2.5 Ft., Typ.

Twin 12" Dia.

Perforated Pipes

Wet Mine Seal Outlet Pipes

14 Ft., @ Slope = -2.0%, Min.

Mine Seal Conveyance Pipes, Extend 1.0 Ft into Bulkhead

Length Varies, Slope = -2.0%, Min.

C o l l a p s e d

E n t r y w a y

Entry

Rib

2 Ft.

Equidistant

Equidistant

Edge

Highwall

12" Ø 90°

ELL

12" Ø 90°

ELL

Edge

Highwall

Concentrated

Drainage

(2) EA. 12" Dia.

SDR-21 Perf. HPDE

Pipes

Edge

Highwall

Approximate Limits of Excavation

(2) Ea. 12" Dia.

SDR-21 Solid HPDE

Pipes

Notes:

1. The One (1) Joints (14.0 Feet) of Mine Seal Outlet Pipes shall be Included in the Unit Price Bid for "Wet Mine

Seals."

2. The Mine Seal Conveyance Pipe Lengths Vary and shall be included in the Unit Price Bid for "Mine Seal

Conveyance Pipes."

3. Jointing procedures are to be "Butt Fusion Weld."

Channel, D50

12" Rip Rap

Trench Wet Seal Bedding

Concentrated Drainage

Discharge into

Drainage Channel

Plan View, Top of Bulkhead Elevation

Trench Wet Mine Seal Detail

Not to Scale

Road Surface

Bottom of Trench

Depth Varies

3" to 6" Stone

5 Ft Minimum

Trench Details

Not to Scale

End View, Typ.

6" Min. Depth

3" to 6" Stone

Gravel Drive Stone

2.5 Ft., Typ.

2.5 Ft., Typ.

Extend Pipes into Entryway as Far as Practical

12" Ø SDR-21 Perf.HPDE

Cross-Over Pipe

Bulkhead, Non-Calcareous 3" to 6" Stone

Placed so that No Voids Exist Between the

Pavement, Ribs, Roof, and Bulkhead.

S l o p o s e

S l o p o s e

Wet Mine Seal Outlet Pipes

14 Ft., @ Slope = -2.0%, Min.

Mine Seal Conveyance Pipes, Extend 1.0 Ft into Bulkhead

Length Varies, Slope = -2.0%, Min.

S t o n e

B u l k h e a d

Mine Seal Stone, Backfilling the

Opening to Near Original Grade or

Minimum of 2.0 Ft above Coal Roof.

Notes:

Excavations Made in Type C Soil (Assumed): All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 1½:1.

OSHA: Appendix B to Subpart P of Part 1926—Sloping and Benching

(2) Ea. 12" Dia.

SDR-21 Solid Pipes

2 Ft.

Equidistant

Equidistant

Entry

Rib

Entry

Rib

C o l l a p s e d

E n t r y w a y

Non-Calcareous 3" to 6"

Stone Placed so that No

Voids Exist Between the

Pavement and Highwall

12" Ø 90°

ELL

12" Ø 90°

ELL

12" Ø SDR-21 HPDE

Perforated Pipe

12" Ø SDR-21 HPDE

Perforated Pipe

1.0 Ft., Typ.

1" Ø Holes, Typ., Stagger

Adjacent Rows

12" Ø SDR-21

HPDE Perforated

Pipe

1.0 Ft.

Wet Mine Seal Outlet Pipes

Cross Section, Typ.

Wet Mine Seal Cross-Over Pipe

Cross Section, Typ.

Wet Mine Seal Cross-Over Pipe

Longitudinal View, Typ.

1.0 Ft.

1.0 Ft., Typ.

1.0 Ft., Typ.

1.0 Ft., Typ.

Wet Mine Seal Outlet Pipes

Longitudinal View, Typ.

Wet Mine Seal Detail, Typ.

Not to Scale

3/8" Stainless Steel

Bolts, Nuts, and

Washers, Typ.

12" Ø SDR-21 Pipe Animal Guard

Cross Section, Typ.

12" Ø SDR-21

HPDE PIPE

Note:

1. Animal Guards shall be Installed the same Day as the Pipe is Installed.

Animal Guard Detail

Not to Scale

Provide 6 Each 1" Ø Holes

Spaced as Shown

1" Ø Holes, Typ., Stagger

Adjacent Rows

Crossover Pipe = 2.0 Ft.

3"

3"

3"

3"

Provide 4 Each 1" Ø Holes

Spaced as Shown, Stagger

Adjacent Rows

C A

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D A

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E I

AutoCAD SHX Text C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION IT CONTAINS, IS THE PROPERTY OF NEW RIVER ENGINEERS, INC., AND IS NOT TO BE COPIED OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

5.5

10.5

11.5

15.5

16.5

22.3

38.4

39.9

41.7

Brown Sandy Clay w/SS

Frags, some Original Fill

Brown Sandy Clay w/Iron

Dep, Coal Frags, SS Frags some Original Fill

Weathered Brown Shale

Gray Sandstone

Coal

Gray Sandy Siltstone w/some Small Voids

Gray Sandstone

Coal

Dark Gray Sandstone

34.7

Void

Piezometer Set at 789.22

TB-1

Top of Piez. El. 834.88

Surface Elev. 830.92

3.0

8.0

9.5

10.7

12.4

32.5

36.6

Brown Sandy Clay w/SS

Frags, some Original Fill

34.0

TB-2C

Top of Piez. El. 821.82

Surface Elev. 818.33

Brown Sandy Clay w/SS

Frags, some Shale

Weathered Gray Sandy Shale

Weathered Sandstone

Coal

Black Sandy Shale w/some Small Voids

Coal

Gray Shale w/some Limestone

Void

Piezometer Set at 781.73

3.0

Brown Sandy Clay w/SS

Frags, some Original Fill

34.0

TB-3C

Top of Piez. El. 854.68

Surface El. 851.41

Coal

Piezometer Set at 782.68

12.5

14.0

16.7

22.7

23.2

34.9

38.2

44.7

48.9

44.1

44.2

60.5

61.5

66.0

68.0

Coal

Carbonaceous Sandy

Siltstone w/small layers of

Coal

Void

Gray Siltstone w/Claystone

Laminations

Coal

Gray Sandy Siltstone

Gray Clay Seam

Gray Sandy Siltstone

Gray Claystone w/Layers of Sandy Siltstone

Gray Sandy Siltstone

Sandy Clay

26.1

Gray Sandstone

Brown-Gray Sandstone

Gray Sandstone

Weathered Gray Sandstone

Brown-Gray Silty Sandstone w/interbedded Shale

Elev. 850

Piezometer Drill Holes

Elev. 800

3.96'

3.27'

Piezometer Casing above Ground

Piezometer Casing above Ground

Piezometer Casing above Ground

3.49'

0.0

0.0

0.0

29.1

Gray Sandy Siltstone

69.5

45.16' Depth of Piezometer

72.06'

Depth of

Piezometer

40.19'

Depth of

Piezometer

Max. Measured Water Level (4.26')

Max. Measured Water Level (3.29')

Max. Measured Water Level (3.97')

0.3

Topsoil

Coal

TB-4

Surface Elev. 797.40

0.5

Coal Refuse

TB-5

Surface Elev. 788.28

Elev. 800

Elev. 750

2.5

7.5

8.5

10.0

13.0

15.0

15.4

17.7

Gray Claystone w/interbedded Shale

Gray Sandy Clay w/Sandstone

Gray Sandy Clay w/Claystone

& Weathered Shale

Coal

Brown Sandy Clay w/Shale Fragments

Brown-Gray Sandy Clay w/Shale & Coal

Weathered Gray Shale w/interbedded Claystone

7.5

12.5

18.2

18.8

20.0

20.2

21.1

23.2

25.3

Brown-Gray Sandy Clay w/weathered Sandy Shale & SS

Coal

Sandstone w/some Clay & Sand

Coal w/some Shale

Weathered Gray Shale w/Claystone

Sandy Shale w/Coal

Coal

Weathered Gray Shale

Weathered Gray Claystone

Elev. 775

Bench Material Site Drill Holes

0.0

0.0

1 INCH = FEET

GRAPHIC SCALE

C A

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D A

T E

R E

V

S C

A L

E

D E

S C

R I P

T I O

N D

A T

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S H

E E

T

N

U M

B E

R

D R

A W

N

B

Y

C H

E C

K E

D

B

Y

B Y

O

F

V W

S

A

S

N

O T

E D

C B

K

C New River Engineers, Inc.

THIS DRAWING, INCLUDING THE INFORMATION

IT CONTAINS, IS THE PROPERTY OF NEW RIVER

ENGINEERS, INC., AND IS NOT TO BE COPIED

OR REPRODUCED AND MUST BE RETURNED UPON REQUEST.

N E

W

R

I V

G

I N

E E

R S

I N

C

S c h o o l

D r i v e

S h r e w s b u r y

W W

W N

R E

I W

V C

O M r b o n d a l e

O F

F I C

E

O

F

A

B A

N D

O N

N

E

L A

N D

C

L A

M A

T I O

N

W V

D E

PA

R

TM

E

N T

O F

E N

V

IR

O N

M E

N

TA

L

PR

O

TE

C

TI

O N

O

FF

IC

E

O F

A B

A N

D O

N E

D M

IN

E

L A

N D

S

V A

LL

E

Y D

IS

TR

IC

T, F A

YE

TT

E C

O U

N

TY

, W E

S T

V

IR

G

IN

IA

C A

R B

O N

D A

LE

(H

IL

L)

P O

R

TA

LS

P

H A

S E

I I

G E

O

LO

G

IC

C O

LU

M

N F

R O

M D

R

IL

L H

O

LE

SHALE

SANDSTONE

FIRECLAY

CASING

COAL

SILTSTONE & CLAYSTONE

LEGEND

PIEZ. TUBE ABOVE GROUND

PIEZ0METER

This Sheet is for Information Purposes Only