NCG021000_Dewatering Plan_20220317

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—Proposed Mine
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JACKSONVILLE 115 1
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See Mine Plans by Port /""- ``\r\ ; \ \\
City Consulting Engineers, \ \ \
PLLC. For More y _ — _ \ e \ \ NPs
/ — Information on Mine. — �7— —
Dewaterin9
Skimmers \\
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1\ 6" PVC Through
Mine Slope
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Top of Mine
Elev. 24t
END SILT
PERMITTED
BOUNDARY
S w
Max Height h
of Skimmer Elev.18x
2 - 4" tidl
4' Min. Valves
Lowest Elev.
of Skimmer Elev. I41 6" 40 PVC
4' Min.
Bottom of Mine Elev. 10
22' Thick 6' wide
Rip Rap Pad
Skimmer and Mine Discharge Detail
Section View
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2 - 60' Long 4" Din.
Perforated PVC Pipes
with } Holes on each
side, 12" Apart
--}e► Existing Drain
of
INV 12 CPP: IyJn
fix
��\X \ �—\ — — \ e APPROXIMATE LOCATION
— _ , — — — \ o e OF WETLAND
INV12"CPP: 11.31'
BRIDGE e \ 4\ s
\ \ \ \ \ > 8-
�\ \\ \t� \ BUILDING \ �4o °' e
5
\`\ N \\ POND e o\
\\ INV 12"CPP:12.5T
23 \\\ `11
\ \ \\ \ \ I INV 12°CPP: 10.85'
I"
\ / RIM: 15.59' 7
6" Tee
2 - 6"x3"
INV 12"CPP: 14.17' y + I I
ca � IX
' CID
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PERMITTED
1 ) 111 ! I INV 12"CPP: 11.27' 0 0
BOUNDARY 2 - 60' Long 4" Diameter
perforated PVC pipes on
12" thick 6' wide Rip Rap
Pad. (See Detail)
6" 9V
- 3" Skimmers
3" HDPE Flexible
Pipe to Skimmers
f Top of Mine
6" SCH. 40 PVC through Mine Slope
WV11i
2 - 4" Bail Valves
2 - 4" 900 Bends
INV 12'CPP: 10.13'
V V 4V,� T VIY.
Perforated PVC Pipes on 12"
thick 6' wide Rip Rap Pad
(See other Details)
Skimmer and Mine Discharge Detail
Plan View
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—2 - 60' Long 4" Dia. Perforated PVC Pipes with
Holes on each side, 12" Apart
2' 2' 2'
6' Wide
Existing Drain
Perforated Pipe and Rip Rap Detail
Cross -Section
12" Thick Rip Rap Pad. Top of Rip Rap shall
be same Elevation as Existing Drain.
Lend:
CPP - Corrugated Plastic Pipe
D.B.- Deed Book
Ex. - Existing
Hwy. - Highway
M.B. - Map Book
Min. - Minimum
Pg. - Page
PVC Pipe - Polyvinyl Chloride Pipe
TYP - Typical
O- Direction and Sequence of Mining
Wetlands Hatch
Wetlands Line
`•��/`/ - Woods Line
---- ohpl --- - Over Head Power Line
030.2 - Spot Elevation
Notes:
1. This plan is created from Sheet C-4 of the Mine plans by Port City Consulting Engineets, PLLC.,
signed and sealed by Mark N. Hargrove, PE 019742, with signature date of 06-02-2021.
2. Watkins Sand Mine, mining permit No. 67-83, was issued to Gary Watkins,
3200 Wilmington Hwy, Jacksonville, NC on August 16, 202L
3. The intent of this plan is to create a Dewatering Plan to comply with NPDE5 General Permit NCG 020000.
No other changes are being proposed to the original approved mine plans by Port City Consulting Engineers, PLLC,
Install Fabric Mine Owner:
Under Rip Rap
Gory Watkins
3200 Wilmington Highway
Jacksonville, NC 28540
rPrDRE'lNvTaET�® _,
D.B. ,B. 2591, Pg. 499
CONSULTiNG FN;N'.�",SOCIATES
Po E30X Sa"L',
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JAC (gCNViLLE, NC 2 ;,FWD
sat 0976
Field Book: N/A
Disk Name: ACAD #'2665
Filename: wsm-Dewaleting Plon.dwg
Job No.: S220126.7994
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Sheet 1 of 1
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DeWatermg ■ .yy Ian B'y'e im g�gtt>Gs6`6
WATKINS SAND MINE
ON DAWSON CABIN ROAD
Mine Permit No. 67-83
Stump Sound Twp.,Onslow Co., Norftl Carolina
For: M&W Land Improvement, Inc.
Mine Operator
1164 Kellum Loop Road
Jacksonville, NC 28546
DATE: 03/01/2022 GRAPHIC SCALE: 1"=40'
0 40 80 120
SCALE: 1"®40' FEET
TIDEWATER ASSOCIATES, INC.
Consulting Engineers - Land Surveyors - Land Planners
Jacksonville, North Carolina
P.O. Box 976 - 306 New Bridge Street - 28540
Phone [phone] - www.TiidewaterENC.com EO.1961
Firm License Number: F-0108
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