A04 1167728 EWP_2025_McDowellCo_WarCreekRd_WarCk-Dwgs_20251114.pdf

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UTILITY NOTIFICATION

"The Natural Resources Conservation Service makes no representation as to the existence or non-existence of any utilities at the construction site. Shown on these construction drawings are those utilities which have been identified. It is the responsibility of the contractor(s) to assure themselves that no hazard exists or damage will occur to utilities."

COVER SHEET

QUANTITIES AND CONSTRUCTION NOTES

LOCATION MAP

SHEET LIST TABLE

SITE MAP

SHEET TITLE

PLAN VIEW

TYPICAL GROUTED ROCK RIPRAP SECTION & DETAILS

TYPICAL CHANNEL BOTTOM CONFIGURATION

TYPICAL GROUTED ROCK RIPRAP DETAILS

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JOB APPROVAL

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CLASS V

AutoCAD SHX Text DRAWINGS PREPARED UNDER THE AUTHORITY OF THE EMERGENCY WATERSHED PROTECTION ACT by the NATURAL RESOURCES CONSERVATION SERVICE of the UNITED STATES DEPARTMENT OF AGRICULTURE STREAMBANK STABILIZATION 81 WAR CREEK ROAD, WAR CREEK SITE 3 DAMAGE SURVEY REPORT NO. 54-01-25-5087-002 MCDOWELL COUNTY, WEST VIRGINIA ra l R es ou rc es

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8CONSTRUCTION NOTES

1. Call 811 to locate utilities prior to mobilization and excavation.

2. Access roads shall be restored to pre-construction condition or better.

3. All fences removed and/or damaged as a result of the contractor's operations shall be restored to a condition equal to or better than they existed before the start of work.

4. Soil compacted as a result of construction operations shall be loosened for a depth of 6-inches below the compacted soil layer and re-graded to blend with existing ground.

5. Provide sub-channel as shown on Typical Channel Bottom Configuration drawing.

6. While working in the stream all efforts will be made to reduce downstream impacts including keeping the excavator tracks elevated above flowing water. A diversion berm shall be established at the top of each stream access point to minimize surface water from flowing toward the stream.

7. Required pollution control measures shall be installed as needed in accordance with Construction Specification 5, Pollution Control.

8. Site access shall be off the main road and shall be in accordance with all West Virginia Department of Highways rules and guidelines. The contractor shall provide signage and flagmen for traffic control as required. See Construction Specification 9, Traffic Control.

9. Excess material from the excavation & obstruction removal shall be wasted off-site in accordance with all local, state, & federal regulations and as approved by the NRCS representative in the field. Floodplains will not be allowed as waste areas under any circumstances. Waste areas shall be seeded according to Construction Specification 6, Seeding, Sprigging and Mulching.

10. The contractor shall provide approved fill as required to complete the work.

11. Trash, tires, & woody debris within the work limits shall be disposed of off-site in an approved landfill. The contractor shall be responsible for the landfill tipping fees.

12. All pipes encountered in the embankment shall be extended through the rock riprap and/or gabions with the same pipe material or better to the face of the slope or baskets.

13. Pipes 12" diameter and larger shall be encased in a minimum of 6" of concrete when passing through rock riprap and/or gabions. Concrete shall have a minimum compressive strength of 2500 psi.

14. The contractor shall maintain the cleanliness of public and private roads impacted by hauling operations during the duration of the work.

15. Starting location of the streambank stabilization measure will be marked in the field.

16. Reshape/transition the stream's bank at the upstream and downstream ends of stabilization measures as directed by NRCS representative.

17. After the foundation is excavated, NRCS representative shall determine if foundation preparation will be required. Foundation preparation quantities not included or covered by the variation in quantity clause.

GEOTEXTILE

SY*

BLANKET

DRAIN

TONS

RIPRAP

TONS

GROUT

RIPRAP

CY

FOUNDATION PREPARATION

SHALLOW BEDROCK

LF**

1238 202 671 135 180

SITE 3 - TABLE OF ESTIMATED QUANTITIES

DRAIN PIPE

LF

DRAIN PIPE

PERFORATED

LF

DRAIN PIPE

CAP

EA

DRAIN PIPE

TEE

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EARTH FILL

CY

AS NEEDED

** QUANTITIES ASSUMING BEDROCK

ENCOUNTERED FOR ENTIRE LENGTH.

* THE AREA REQUIRED FOR OVERLAP IS NOT

INCLUDED IN THE QUANTITY FOR GEOTEXTILE.

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SITE 3 - 81 WAR CREEK ROAD

LAT: N37.294414

LON: W81.695571

FEET

0 2000 4000

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0.5 MILES TO W

AR, W

V

WARRIORMINE ROAD

TBM1

CL

CL CL

CL

CL

CL

CL

CL

CL

CL

CL

TBM2

ROCK RIPRAP STREAMBANK STABILIZATION.

SEE DETAILS, SHEETS 5 - 7.

WAR CREEK ROAD

GRAVEL BAR TO BE REMOVED.

SEE NOTES ON SHEET 5 AND

SEE DETAILS, SHEET 8.

CONSTRUCTION LIMITS

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AR

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GRAVEL BAR

BORROW AREA

GRAVEL BAR

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NAD83 WV STATE PLANE, SOUTH ZONE, US FOOT GRID. NAVD88 VERTICAL DATUM

ELEVATIONEASTINGNORTHINGDESCRIPTION

PROJECT CONTROL

TBM2 - PK NAIL, CORNER OF COURT 1393.221766239.04108111.98

TBM1 - PK NAIL, CORNER SMALL PAD 1395.921766107.54108013.39

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TBM1

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BASKETBALL COURT

SHOP HOLLOW ROAD

WAR CREEK ROAD

180'

BEGIN AT EXISTING WALL.

DO NOT DISTURB.

EXISTING PLAYGROUND

EQUIPMENT MAY BE REMOVED

DURING CONSTRUCTION IF

NECESSARY.

KEY AND TRANSITION ROCK

RIPRAP SLOPE TO EXISTING

WAR CREEK

RESTORE ORIGINAL STREAM

BOTTOM WIDTH APPROX 16'GRAVEL BAR GRAVEL BAR

KEY AND TRANSITION ROCK

RIPRAP SLOPE TO EXISTING

DEBRIS REMOVAL -

EXISTING GABION BASKETS.

GRAVEL BARS TO BE REMOVED.

SEE NOTES. SEE DETAILS,

SHEET 8.

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LEGEND

TOP OF BANK

TOE OF SLOPE

EDGE OF PAVED ROAD

CONSTRUCTION LIMITSCL

CONTROL POINT

NOTES

1. CHANNEL CLEARING AND DEBRIS DISPOSAL SHALL BE DIRECTED BY

THE NRCS REPRESENTATIVE.

2. BORROW MATERIAL SHALL BE TAKEN FROM GRAVEL BAR WITHIN THE

CONSTRUCTION LIMITS AS DIRECTED BY THE NRCS REPRESENTATIVE.

3. DISPOSAL AREA FOR EXCAVATED MATERIAL SHALL BE AT AN

APPROVED LOCATION OFFSITE.

4. CONTRACTOR SHALL CONSERVE SUITABLE MATERIALS

FOR FINAL GRADING AND SEEDING OPERATIONS.

TBM#

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EXISTING

GROUND

SECTION - GROUTED ROCK RIPRAP

3' MIN. OR TO BEDROCK. IF BEDROCK

ENCOUNTERED, SEE FOUNDATION PREPARATION

SHALLOW BEDROCK DETAIL, SHEET 7.

6'

EXCAVATION

LIMITS

1'- 6"

6"

3'

8'

3' OF D50 = 18" ROCK RIPRAP PLACED WITH

VOIDS FOR GROUT PLACEMENT. FOR DETAILS,

SEE CONSTRUCTION SPECIFICATION 62.

BLANKET DRAIN

1' OF #57 AGGREGATE

1' MIN. OF TOPSOIL ON GEOTEXTILE

OVER TOP OF RIPRAP. PROVIDE

POSITIVE DRAINAGE.

GEOTEXTILE

2'

4'

8'

6.7'

FLOW

OR

POSITIVE DRAINAGE

DRAIN PIPE, 3" DIA. SCH. 40

ASTM D1785 SOLID PIPE, 10' C.C.

(MAX). SLOPE TO DRAIN. SEE

DETAILS, SHEET 7.

6"

DRAIN PIPE, 3" DIA. SCH. 40

ASTM D1785 PERFORATED PIPE.

SEE DETAILS, SHEET 7.

FINAL GRADE. SEE TYPICAL CHANNEL

BOTTOM CONFIGURATION ON

SHEET 8.

EXCAVATION LIMITS. BACKFILL AFTER

ROCK RIPRAP WITH GROUT PLACEMENT.

1'

BEGINNING/END OF ROCK

RIPRAP STABILIZATION

PLAN - RIPRAP KEY

GEOTEXTILEBLANKET DRAIN

ROCK RIPRAP WITH GROUT

TOP OF ROCK RIPRAP SLOPE

TOE OF ROCK RIPRAP SLOPE

INSTALL ALONG SLOPE FROM

THE TOE OF EXCAVATION TO

TOP OF ROCK RIPRAP.

TYP.

RIPRAP KEY

TOE OF

EXCAVATION

TOP OF ROCK RIPRAP

AND BLANKET DRAIN

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EXISTING

GROUND

0' TO 3' MAX.

EXCAVATION

LIMITS

1'- 6"

BLANKET DRAIN

1' OF #57 AGGREGATE

CHANNEL BOTTOM

GEOTEXTILE

2'

DRAIN PIPE, 3" SCH. 40 ASTM

D1785 SOLID PIPE, 10' C.C.

(MAX). SLOPE TO DRAIN.

6"

FOUNDATION PREPARATION SHALLOW BEDROCK

BEDROCK

2'- 6" EQUAL EQUAL

#8x4' REBAR 5' C.C MAX.

DRILL 1-1/4" DIA HOLE INTO BEDROCK.

EPOXY OR GROUT NOT REQUIRED.

3' OF D50 = 18" ROCK RIPRAP PLACED WITH

VOIDS FOR GROUT PLACEMENT . FOR DETAILS,

SEE CONSTRUCTION SPECIFICATION 62.

6"

8'

1' MIN. OF TOPSOIL ON GEOTEXTILE

OVER TOP OF RIPRAP. PROVIDE

POSITIVE DRAINAGE. 1'

(CONDITIONAL - SHALLOW BEDROCK)

TEE

120°

PERFORATED PIPE

1'

2.5"

1"

PERFORATED PIPE WITH

TWO ROWS OF 3 8" HOLES

ANIMAL GUARD, 12" STAINLESS

BOLT WITH WASHERS AND NUT

2" FROM END.

ANIMAL GUARD

END CAP

PLAN - DRAIN PIPE

2"ANIMAL GUARD

DRAIN PIPE, 3" DIA. SCH. 40

ASTM D1785 SOLID PIPE.

8'

END CAP

3" DIA. TWO-WAY

CLEANOUT TEE

1'DRAIN PIPE, 3" DIA SCH. 40,

ASTM D1785 PERFORATED

PIPE. SEE DETAILS ABOVE.

BEGIN/END BLANKET

DRAIN, 5' MAX. FROM

END CAP

BLANKET DRAIN

#57 AGGREGATE

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Notes:

1. Final location of subchannel to be located in the field by the NRCS representative. The subchannel shall be transitioned as necessary to meet existing grades at the upstream and downstream site extents.

2. Subchannels are not required for bedrock streambeds.

3. Use material from the required excavations and/or approved fill from offsite to reconstruct streambanks as necessary. Seed and mulch per

Construction Specification 6, Seeding, Sprigging and Mulching.

EXISTING

GROUND

FINAL STREAM BOTTOM SHALL

BE ROUGH & IRREGULAR.

PROVIDE POSITIVE DRAINAGE

TOWARD SUBCHANNEL.

~1

~1

1'

1/3 BW

SUBCHANNEL

BOTTOM WIDTH

(BW)

~2

DEPOSITION VARIES

CHANNEL BOTTOM CONFIGURATION

SEE SITE PLAN

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