20211118_Mine_Maps

MINE PERMIT ACREAGE
CATEGORY
EXISTING
ACREAGE
PROPOSED
MODIFICATION
TOTAL
ACREAGE
TAILINGS/SETTLING PONDS
58.0 Ac
0.0 Ac
58.0 Ac
STOCKPILES
54.9 Ac
0.0 Ac
54.9 Ac
OVERBURDEN STORAGE (WASTE)
158.0 Ac
0.0 Ac
158.0 Ac
PROCESSING AREAS/HAUL ROADS
63.3 Ac
0.0 Ac
63.3 Ac
MINE EXCAVATION (QUARRY PIT)
194.2 Ac
0.0 Ac
194.2 Ac
OTHER
52.2 Ac
0.0 Ac
52.2 Ac
PERMITTED FOR DISTURBANCE
580.6 Ac"
0.0 Ac
580.6 Ac
TOTAL PERMITTED 11,249.23
Ac
1 0.0 Ac
1, 249.23 Ac
MINE MAP NOTES
11.. AFFECTED ACREAGE INCLUDES AREA THAT HAS BEEN
PREVIOUSLY DISTURBED AND STABILIZED, BUT NOT RECORDED
AS RECLAIMED AND AREAS OF FUTURE DEVELOPMENT.
1. THE PURPOSE OF THIS MAP IS TO SHOW THE AREAS PERMITTED UNDER THE EXISTING MINING PERMIT AND ADJUST THE MINE PERMIT
ACREAGE TO MATCH THE SITE TOPOGRAPHY. ALL PROPOSED DISTURBED AREAS WERE PERMITTED UNDER PREVIOUS MODIFICATIONS.
2. THE PLANT SUPERINTENDENT ADDS ADDITIONAL SILT TRAPS WITHIN THE SITE TO COLLECT SEDIMENT CLOSER TO THE DISTURBED AREAS AND
FACILITATE THE REMOVAL OF SEDIMENT. THESE MEASURES ARE TEMPORARY AND ARE NOT SHOWN ON THE MINE MAP.
3. EROSION CONTROL MEASURES SHOWN IN DARK GREEN WERE PREVIOUSLY APPROVED OR ARE TEMPORARY MEASURES INSTALLED BY THE
PLANT. EROSION CONTROL MEASURES SHOWN IN DARK RED ARE PROPOSED. OTHER SYMBOLS MAY BE USED TO DELINEATE EROSION CONTROL
MEASURES. REFER TO SITE NOTES.
4. FEMA FLOOD FRINGE AREAS ARE BASED ON THE CURRENT NORTH CAROLINA FLOODPLAIN MAPPING PROGRAM DFIRM GEODATABASE MAPPING
DATA. THIS INFORMATION SHOULD ONLY BE USED TO IDENTIFY POTENTIAL AREAS OF FLOODING AS RELATED TO F.I.R.M. MAPPING AND THE
LOCATION OF OCCUPIED STRUCTURES IN THESE AREAS.
6. PROPOSED EROSION CONTROL STRUCTURES, SETTLING PONDS, WETLANDS, AND PROPOSED GRADES ARE BASED ON A MINE MODIFICATION
APPLICATION PREPARED BY MARSHALL MILLER & ASSOCIATES. HWY 74 R/W LOCATIONS AREA BASED ON RECORD DRAWINGS ON FILE WITH THE
RICHMOND COUNTY REGISTER OF DEEDS. PORTIONS OF INFORMATION SHOWN ON THIS MAP WERE PREPARED BY OTHER ENGINEERING FIRMS.
REFER TO PREVIOUS MODIFICATIONS FOR CONSTRUCTION DETAILS.
7. THERE ARE SEVERAL ABOVE GROUND AND BELOW GROUND UTILITY EASEMENTS AND R/W'S LOCATED ON THE SITE THAT ARE NOT SHOWN ON
THE MINE MAP. ALL EASEMENTS AND R/W'S SHOULD BE LOCATED PRIOR TO ANY EXCAVATION OR FILL ACTIVITIES. SITE GRADING MUST COMPLY
WITH ANY EASEMENT OR R/W CONDITIONS
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MINE
LEGEND
INDEX CONTOUR
PIT LIMIT
--_--
-- INTERMEDIATE CONT01
PROPERTY/PERMTT LINE
-
SPOT ELEVATION
UNDISTURBED BUFFER (25' MIN.)
WATER
NCDOT STATE ROAD R/W
-
-
PAVED ROAD
US HWY 74 BYPASS
_ _
_
CONTROLLED ACCESS
DIRT ROAD
HORIZONTAL CONTROL POINT
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BUILDING
VERTICAL CONTROL POINT
EXISTING MINE PERMIT AREA
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MINE PERMIT MODIFICATION AREA
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SEDIMENT BASIN OUTFALL
EXISTING RIP RAP / CHECK DAM
PROPOSED RIP RAP / CHECK DAM
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SHEET NUMBER
1 OF 3

V
2 RIP RAP CHANNEL
DRAINAGE OUTFALL 112-014 �\
AT STA 40+00 7 !-�� 1
TOTAL DRAINAGE AREA = 13.3 AC
MAXIMUM DISTURBED AREA = 4.0 AC
AY
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SILT FENCE
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OUTFALL 112-014
INVERT ELEV WIDTH 12'
no
100C
U 60C
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10
-20
0 140 280 420
SCALE 1" = 140'
240 3 r -�
120'
DRAINAGE OUTFALL 112-012
AT STA 18+43
TOTAL DRAINAGE AREA 3.0 AC
DRAINAGE OUTFALL 112-013
AT STA 29+33
TOTAL DRAINAGE AREA = 10.8 AC-
- MAXIMUM DISTURBED AREA = 3.0 AC
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TYPICAL ROCK �� a
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CHECK DAM ,/rr�_ ti. � "' _-----.i
OUTFALL 112-013
/ INVERT ELEV 199.0 - _
WIDTH 12' �-, WATERS OF THE US ? JURISDICTIONAL
---� -, 50' BUFFER WETLANDS ��-
Alignment - (Eastern Overburden Expansion PROFILE
Station
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OUTFALL 112-012
INVERT ELEV 230.0
WIDTH 10'
RAISE EXISTING OUTFALL 112-00
FROM ELEV 238.0 TO ELEV 244.0
0
2+00
00 50
00
48
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46
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4:4
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43+77.55
PVI STA:
38+77.5
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STA:
33+27.55
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PVI STA: 29+27.55
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PVI STA:
20+51.70
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PVI EI�EV: 185.73
PVI ELEV: 185.73
VI ELEV: 213.11
PVI ELEV: 195.61
PVI ELEV: 240,16
K
12.50
K:
30.13
K:
16.04
K: 15.85
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K:
13.06
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LV . 150.00
LVC:
150.00
LVC:
150.00
LVC: 150.00
LVC:
150.00
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PT. STA: 33+2
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STA: 29+3 .19
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K:
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38.72
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ELEV:
K: 4.24
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PT ELEV: 229.81
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SHEET NUMBER
20F3

10'
SAFETY BERM BEGINS
EACH SIDE OF CHECK
DAM
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UNDERLAIN WITH FILTER CLOTH
2'
PJAIraw Ira ureTwo•./v\04Ikil I"
TYPICAL PROFILE
SEDIMENT CHANNEL ROCK DAM
(Not to Scale)
FILL VOIDS IN RIP RAP
WITH VDOT NO. 57 STONE
TO PROVIDE A DRIVING SURFACE
AND BIND RIP RAP
WIDTH
SEE PLAN
INVERT ELEV (SEE PLAN)
TYPICAL SEDIMENT CHANNEL
SPILLWAY OUTFALL
(Not to Scale)
3.33' HIGH SAFETY BERM
GRADE ROAD
2-',C SUBGRADE AT 2% SLOPE
UTS�oA� TOWARDS CHANNEL
2'
3.33' HIGH SAFETY BERM
NCDOT CLASS 2 RIP RAP CHECK DAM (10' TOP LENGTH)
WITH SEPARATION FABRIC & 6" THICK #57
STONE FILTER ON UPSTREAM SIDE
ENGINEER'S ESTIMATE - 160 TON CLASS 2 RIP RAP
TYPICAL ROAD & CHANNEL SECTI
STA 10+00 TO STA 21+00
36" OF CLASS 2 RIP RAP
UNDERLAIN WITH FILTER CLOTH
7.67' CHANNEL
5' HIGH CHECK DAM
ON I00' CENTERS, BREAK SAFETY BERM
CONSTRUCT I'DEEP GRASS V-DITCH WITH 3:1 SIDE
SLOPES
LINE WITH NORTH AMERICAN GREEN SC-250 OR
EQUIVALENT.
)N FOLLOW MANUFACTURER'S INSTALLATION GUIDELINES
PARTICULARLY STAPLE PLACEMENT AND TOP & TOE
ANCHOR TRENCH
INVERT
ELEV A
NOTED
G
2'
4'
ROCK DAM
TYPICAL SECTION
(Not to Scale)
2 NOA REBAR
3' DEEP x TOP and BOTTOM
T WIDE
AS NOTED
CROSS SECTION OF SPILLWAY
CONCRETE GRADE BEAMS
(ESTABLISHES INVERT OUT ELEV)
3.33' HIGH SAFETY BERM
5,000 PSI
CONCRETE
RIP RAP UNDERDRAIN SHALL BE
INSTALLED UNDER GRADE BEAM TO
ALLOW DEWATERING OF CHANNEL
INSTALL 4" SCH 40 PVC PIPE THROUGH
DOWNSTREAM GRADE BEAM, PLACE 2"
WIRE MESH OVER PIPE INLET, POSITION
OUTLET IN DOWNSTREAM RIP RAP TO
ALLOW FOR GRAB SAMPLING, COORDINATE
WITH VMC'S ENVIRONMENTAL ENGINEER
GRADE ROAD SUBGRADE AT
2% SLOPE TOWARDS CHANNEL
24'
2' DEEP CHANNEL
1.5' HIGH CHECK DAM
TYPICAL ROAD & CHANNEL SECTION
STA 21+00 TO STA 49+16
NCDOT CLASS I RIP RAP CHECK
DAM (5' TOP LENGTH)
WITH SEPARATION FABRIC & 6"
THICK #57
STONE FILTER ON UPSTREAM
SIDE
ENGINEER'S ESTIMATE - 4 TON CLASS 1
RIP RAP
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SHEET NUMBER
30F3