20220901_Mine_Maps

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SHEET INDEX
LU 0 LAND USE
101 (Us, 4,
Existing Conditions
SP
1
Site Preparation
]EC
0
ER"OSION
CONTROL [EC] KEY
]EC
1
Drainage
area detail for
S10LJ-1
]EC
2
Drainage
area detail for
SH-2
]EC
3
Drainage
area detail for
SIB-3
]EC
4
EC Details— 1131asins and
Ditches
]EC
5
EC Notes—
Inspection and
Maintenance
]EC
6
EC Notes—
Stabilization and
Materials
LU
1
LAND
USE
PHASE
1
T,i
2
I,ANI)
S h
P Irl A S F
2
Site Overview
This site was previously mined under permit 84-06; however, that permit was allowed to expire. Previously disturbed areas are shown on the Existing Conditions sheet.
The general construction sequence is illustrated on the Site Preparation sheet and will be undertaken upon authorization:
1. Rock will be added to stabilize existing internal roads to prevent erosion and facilitate access into the site.
2. Sediment basins will be installed according to approved designs
3. Diversion ditches will be installed to direct runoff into the basins.
4. The plant area will be prepared, with drainage directed to a basin for treatment prior to discharge.
5. Silt fence and rock dams will be installed as shown on the Erosion Control sheets and Land Use plan for Phase 1.
6. Perimeter berms will be installed within the silt fencing to provide additional drainage control.
7. Once drainage controls and treatment structures are installed and functional, land disturbance to remove and store overburden will begin.
Proposed mining activity after the initial site preparation phase is shown on the enclosed 'Land Use' plan sheets for Phases 1 and 2. The
proposed permit boundary is the property line and encompasses the entire 297—acre site. Within the permit area, a 25—ft perimeter
buffer is established, and the streams and wetlands are separated from mining activity by undisturbed 50—ft buffer zones.
'Phase 1' avoids water features previously identified in a report by Atlas Environmental [see "Aquatic Resource Sketch Map", 9 pages, May
21, 2021, previously submitted]. These features are shown on the site plans. Section 401 / 404 authorizations have not yet been obtained
for impacts to these features, and Phase 1 is designed for initial site development without impacts. Phase 1 activities are primarily on the
eastern side of the property. We have included a Phase 2 site plan for unavoidable impacts to water features in the center of the site,
pending 401 /404 authorization. In general, Phase 2 includes westward expansion of the quarry pit, which will also serve to capture runoff
and provide some of the needed drainage control in Phase 2. Phase 2 activities will not proceed without all needed authorizations. Future
phases after Phase 2 are likely to impact additional water features and will also be authorized prior to impact.
For Phase 1, the site plans show Plant Area, Pit [Overburden removal], and Overburden Storage Area. These areas will be disturbed in
initial site development, with runoff and mining —related wastewater controlled as shown on the plans and described as follows: Most runoff
will be collected in one of the diversion ditches and conveyed to a sediment basin for treatment prior to discharge. Basins include a
baffle—forebay system to enhance sediment retention. Basins will treat all disturbed areas upslope of a diversion ditch.
For Phase 1
activities, drainage from overburden storage
will not be directed into the diversion ditches or basins. For the overburden
storage areas,
silt fence will be installed on contours in
multiple rows as needed to limit the
drainage area to 0.25—acres per 100 feet of
silt fence. A
continuous berm will be built of overburden
material on the upslope side of the
silt fencing placed along the perimeter and
riparian buffers, so that silt fencing controls runoff from
the outslope of the berm until it is
stabilized with respect to erosion. Rock
dams will be
placed in natural swales as shown on the Site
Prep sheet [SP1 ]. Areas below the
ditches will thus be controlled with a
combination
of silt fence and berms.
The ground will be prepared for overburden placement by clearing and grubbing. Overburden will be placed in small lifts [approximately 1—ft thick] and
compacted with a bulldozer or similar heavy equipment. To the extent practical, topsoil will be segregated for future reclamation use, and will also be
stored within the overburden storage area. The ESC measures are shown on the Site Prep sheet [SP1 ], with additional related information on the
Erosion Control sheets [EC1—EC3] and the Land Use sheets [LU1 and LU2].
Overburden will be placed in the Overburden Storage Areas by working upslope from the berms, so that runoff from overburden placement
is primarily controlled by the berms, and with the upslope face of the overburden used to retain runoff. The 'Typical Overburden Storage
Detail' on the plan sheets shows the overburden will be placed to slope back into the site and away from streams or the site perimeter.
Phase I]�]�� L��][��][� N�� In Phase 1, only a 100—ft wide segment in the outer [southernmost] portion of the overburden storage area will be utilized. In future
phases, overburden storage will proceed upslope to the point that it meets the diversion ditch, so that all runoff from the disturbed areas
IF),2 Phase2—�ECLAMATION AP is directed to basins or captured in the pit.
VICINITY MAP
317 W. Gold Street New London, Stanly Co., NC
The following measures will mitigate the potential to overtop and erode the berm that will be installed along the southern edge of the Phase 1
activity:
a. The existing drainage area above each swale will be reduced by the diversion ditch 2—SI31.
b. The swales represent low areas that will be filled first. The top of the overburden storage areas slope back into the site, so that the fill
material will serve as an additional berm to retain runoff, promote infiltration and reduce stormwater runoff.
c. Rock dams are shown on the Site Prep Sheet SP1 and will be installed below fill material that is placed in the swales. The rock dams will
supplement the silt fencing placed below the fill areas. The installation of rock dams will follow the specifications described at Chapter 6.63 in
the NC Erosion and Sediment Control Planning and Design Manual.
The mining pit will start small and expand in area and depth. As it does, it will also serve to capture and treat runoff; however, the
runoff calculations for Phase 1 do not rely on pit storage. The basins are designed to control all runoff with the pit providing
supplemental control. The areas shown as Future Yard Area will be undisturbed in Phase 1, with drainage from these areas allowed to flow
naturally to the nearest stream or drainage feature. These areas will therefore not contribute runoff to sediment basins and are not
accounted for in basin calculations.
The plans for Phase 2 and subsequent phases will be submitted for approval before site development proceeds beyond the activities
described and shown for Phase 1. However, in general terms, it is expected that the initial pit will be expanded westward in Phase 2 to
encompass a larger area and will increase in depth, so that the pit will provide substantial water storage capacity. Phase 2 is also
contingent upon authorization for impacting streams and wetlands located within the proposed permit boundary.
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Note:
These plans were originally prepared under the direction of Denver Toler, PE. The
Professional Engineer's seal and: signature affixed hereto is limited to the technical
review of revisions made in response to review comments outlined in letter from Adam
Parr, PE, Assistant State Mining Engineer, DEMLR, NC DEQ dated August 10, 2022.
Richard L. Modlin, PE
7215 Terrace Drive
Charlotte, NC 28211
980.322.4191
[e-mail]

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LAND USE DESIGNATION
USE TYPE
ACRES
TREATMENT
STRUCTURE
PROCESSING AREA
19.6
SB3
MINE EXCAVATION
42.3
SB1 & SB2
UNDISTURBED
213.4
N/A
WASTE PILES
14.9
BMP'S
SEDIMENT PONDS
3.0
BMP'S
BERMS
3.8
BMP'S
TOTAL
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Dam A. approx 65 ft long L—Rock Dam B. approx 60 ft long Rock Dam C. approx 70 ft long
griffin
TYPICAL BERM CROSS SECTION
MINIMUM 4' TOP OF BERM
I I 1
*FINAL STABILIZATION WILL BE PROVIDED
BY ESTABLISHING PERMANENT VEGETATION
(NTS)
Boulder Associates LLC
317 W. Gold Street
New London, Stanly Co., NC
LAND USE MAP [Phase 1]
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MAXIMUM HEIGHT (VARIES)
BERM AT TOE OF ••
WITH SILT FENCE
STABILIZATION WILL BE PROVIDED BY ESTABLISHING
PERMANENT VEGETATION
-BENCHES WILL BE PROVIDED EVERY 10'ELEVATION.•NS
SHOWN HERE FOR ILLUSTRATION.
Engineer -
Denver Toler, PE
5917 Tillery Drive
Charlotte, NC 28226
[phone]
[e-mail]
Allen
Legend
® PROCESSING AREA V DIVERSION DITCH
PIT ~ FLOW DIRECTION
® WASTE STORAGE 1 PERENNIAL STREAM
® BERM WETLAND
® FUTURE MINE AREA \ INTERMITTENT STREAM
SEDIMENT POND ` EPHEMERAL STREAM
ENTRANCE ROAD ROAD
SILT FENCE �.•� PROPERTY/PERMIT LINE
PERIMETER BUFFER BOUNDARY DRAINAGE AREAS
Revisions:
NO. DATE: COMMENTS:
8/25/22 Response to comments dated 8/10/22

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A Reclamation Plan for Phase 1 is included with this submittal as required by NC—DEQ;
however, activities are expected to progress beyond Phase 1 to Phase 2 and other future
phases. 'Phase 1' in our submittal avoids water features previously identified in a report by
Atlas Environmental [see "Aquatic Resource Sketch Map", 9 pages, May 21, 2021, previously
submitted]. These features are shown on the site plans. Section 401/ 404 authorizations have
not yet been obtained for impacts to these features, and Phase 1 is designed for initial site
development without impacts. Phase 1 activities are primarily on the eastern side of the
property. We have included a Phase 2 site plan for unavoidable impacts to water features in
the center of the site, pending 401 /404 authorization. In general, Phase 2 includes westward
expansion of the quarry pit, which will also serve to capture runoff and provide some of the
needed drainage control in Phase 2. Phase 2 activities will not proceed without all needed
authorizations. Future phases after Phase 2 are likely to impact additional water features and
will also be authorized prior to impact. A reclamation plan for each subsequent phase will be
submitted with applications to modify the site plan to accommodate such future development.
AR 0
;��.�FESSIpN.II% Boulder Associates LLC
317 W. Gold Street
SEAL =
67 = - New London, Stanly Co., NC
RECLAMATION MAP (PHASE 1)
6129122
N ate:
These plans were originally prepared under the direction of Denver Toler, PE. The
-SS/ fl 'f• _ Professional Engineer's seal and signature affixed hereto is limited to the technical
o review of revisions made in response to review comments outlined in letter from Adam
q o - Parr, PE, Assistant State Mining Engineer, DEMLR, NC DEC dated August 10, 2022.
O O
fl 1 937 Richard L. Modlin, PE
7215 Terrace Drive
Charlotte, NC28211
980.322.4191
L. M�©,t{�,
�I ► r r r, r i l''018-25-22 [e-mail]
Engineer -
SECTION A —A'
Dev. 62W — 650'
600'
500'
400'
rrrr .eon
TS)
E PROTECTED BY A PERIMETER FENCE
NAY DETAIL
1627'
625'
co.
Loroho LLC
LLC
Denver Toler, PE
5917 Tillery Drive
Charlotte, NC 28226
[phone]
[e-mail]
TOP VIEW
Allen
Legend
® PROCESSING AREA
PIT
® WASTE STORAGE
® BERM
RECLAIMED
SEDIMENT POND
ENTRANCE ROAD
SILT FENCE
PERIMETER BUFFER BOUNDARY
DIVERSION DITCH
FLOW DIRECTION
1
PERENNIAL STREAM
\�
WETLAND
\
INTERMITTENT STREAM
EPHEMERAL STREAM
ROAD
�.•�
PROPERTY/PERMIT LINE
DRAINAGE AREAS
Revisions:
NO. DATE: COMMENTS:
8/25122 Response to comments dated 8/10/22

Boulder Assoc.
Gordon
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S w c ri n g e n
1 166 ISIS 6166 ISIS 61 ISO, 01 01 so 011
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CROSS SECTION A —A'
MNDMUM 'normal pod' EI 62V
MAMMUM PIT DEPTH 45W
(NTS)
*ABANDONED PIT WILL BE PROTECTED BY A PERIMETER FENCE
SPILLWAY DETA,
50' min.
FRONT VIEW
Co.
Loroho LLC
JVA Form LLC
This Phase 2 site plan is included for unavoidable impacts to water features in the center of
the site, pending 401 /404 authorization. In general, Phase 2 includes westward expansion of
the quarry pit, which will also serve to capture runoff and provide some of the needed
drainage control in Phase 2. Phase 2 activities will not proceed without all needed
authorizations. Future phases after Phase 2 are likely to impact additional water features and
will also be authorized prior to impact. A reclamation plan for each subsequent phase will be
submitted with applications to modify the site plan to accommodate such future development.
cAR°
s - Boulder Associates LLC
Es � a�l%y` f;
317 W. Gold Street
SEAL =
67 = - New London, Stanly Co., NC
^;GINE�
D RECLAMATION MAP PHASE 2
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N ote:
These plans were originally prepared under the direction of Denver Toler, PE. The
Professional Engineer's seal and signature affixed hereto is limited to the technical
review of revisions made in responseto review comments outlined in letter from Adarn
Parr, PE, Assistant State Mining Engineer, DEMLR, NC DEC dated August 10, 2022.
Richard L. Modlin, PE
7216 Terrace Drive
Charlotte, NC 28211
980.322.4191
[e-mail]
Engineer -
Denver Toler, PE
5917 Tillery Drive
Charlotte, NC 28226
[phone]
[e-mail]
TOP VIEW
Allen
Legend
® PROCESSING AREA
PIT
® WASTE STORAGE
® BERM
RECLAIMED
SEDIMENT POND
ENTRANCE ROAD
SILT FENCE
PERIMETER BUFFER BOUNDARY
650'
600'
500'
400'
V
DIVERSION DITCH
FLOW DIRECTION
1
PERENNIAL STREAM
\�
WETLAND
\
INTERMITTENT STREAM
EPHEMERAL STREAM
ROAD
�.•�
PROPERTY/PERMIT LINE
DRAINAGE AREAS
Revisions:
NO. DATE: COMMENTS:
8/25/22 Response to comments dated 8/10/22

Culp Eungbe �
r Co,
Nor fob
k
Southern
n
MW
Boulder Assoc.
Gordon
Roberts m
Roberts
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(� Cn SCALE: DRAWN BY:
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DATE: CHECKED BY:
6/24/22 DDT
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l I Rock Dam A. approx 65 ft long L—Rock Dam B. approx 60 ft long Rock Dam C. approx 70 ft long
Rock Dams to be tied in to berm across natural swales. See table on this sheet for dimensions.
Griffin
TYPICAL BERM CROSS SECTION
MINIMUM 4' TOP OF BERM
I I ,
*FINAL STABILIZATION WILL BE PROVIDED
BY ESTABLISHING PERMANENT VEGETATION
(NTS)
Boulder Associates LLC
317 W. Gold Street
New London, Stanly Co., NC
SITE PREPARATION PLAN
��•�' Cgiq •,,
` �DpDODDOODp O�
Note:
��
These plans were originally prepared under the direction of Denver Toler, PE. The
o�ESS / D :_
Professional Engineer's seal and signature affixed hereto is limited to the technical
review of revisions made in response to review comments outlined in letter from Adam
_ D Q o
Parr, PE, Assistant State Mining Engineer, DEMLR, NC DEQ dated August 10, 2022.
D 1 937 p
D
Richard L. Modlin, PE
DO
7216 Terrace Drive
DDoDODDODDGlNEoD°
q
Charlotte NC28211
L.
980.322.4191
r, 7,11 08-25-22
[e-mail]
JVA Form LLC
CONSTRUCTION SEQUENCE
1. Rock will be added to existing internal roads to prevent erosion and allow access into the site.
2. Sediment basins will be installed according to approved designs
3. Diversion ditches will be installed to direct runoff into the basins.
4. The plant area will be prepared, with drainage directed to a basin for treatment prior to discharge.
5. Silt fence and rock dams will be installed.
6. Perimeter berms will be installed within the silt fencing to provide additional drainage control
7. Once drainage controls and treatment structures are installed and functional, land disturbance to
remove and store overburden will begin.
Engineer:
Denver Toler, PE
5917 Tillery Drive
Charlotte, NC 28226
[phone]
[e-mail]
Allen
Legend
® PROCESSING AREA
PIT V DIVERSION DITCH
® WASTE STORAGE ~ FLOW DIRECTION
® FUTURE WASTE STORAGE 1 PERENNIAL STREAM
® BERM WETLAND
® FUTURE MINE AREA \ INTERMITTENT STREAM
SEDIMENT POND ` EPHEMERAL STREAM
ENTRANCE ROAD ROAD
SILT FENCE �.•� PROPERTY/PERMIT LINE
PERIMETER BUFFER BOUNDARY DRAINAGE AREAS
Revisions:
NO. DATE: COMMENTS:
1 8/25/22 Response to comments dated 8/10/22