HomeMy WebLinkAbout20210315-ApplicationSpruce Pine Quarry
Request for Permit Modification
Mining Permit No. 61-13
Vulcan Construction Materials, LLC
3-15-2021
Spruce Pine Quarry
Request for Permit Modification
Mining Permit No. 61-13
Vulcan Construction Materials, LLC
March 15, 2021
Submittal Contents
■ Narrative and Construction Sequence
■ Mine Modification Application
■ Project Details
■ Plan Sheets
0 1 of 3 — Mine Map
0 2 of 3 — Permit 61-13 Modification Profiles, Sections, and Details
0 3 of 3 — Reclamation Map
Permit Modification Narrative
Vulcan Construction Materials, LLC (Vulcan) operates the Spruce Pine Quarry, Permit No.
61-13, located in Mitchell County, North Carolina. The proposed Permit Modification will
construct a new haul road to access the northern and eastern portions of the permit. This
modification will also expand the Ultimate Pit Limit as shown on the Mine Map and
Reclamation Map. No change is proposed to the current approved acreage for Permit No. 61-13
of 151.52. The Mine Permit Acreage table has been updated as shown in the Application for a
Mining Permit and the Mine Map.
Erosion and sediment control for the proposed haul road includes diversion ditches, which will
direct surface water runoff into the existing pit for sediment control, and silt fence. Silt fence will
be utilized along the outslopes of the haul road to assist with erosion and sediment control. As
the haul road construction is completed, the finished grades will be seeded with permanent
vegetation as final grades are achieved per the approved Revegetation Plan.
Construction Sequence — Proposed Haul Road
1. Clear vegetation and install silt fence along west and north side of proposed haul road
area.
2. Clear vegetation and construct Haul Road, Diversion Ditch No. 1, Diversion Ditch No. 2,
2-36" culverts or equivalent at Station 0+69, 2-36" culverts or equivalent at Station 9+20,
and outlet protection as shown in this application.
3. Excavated cut and fill slopes will be seeded with permanent vegetation as final grades are
achieved.
APPLICATION FOR A MINING PERMIT
NORTH CAROLINA
MINING PERMIT APPLICATION
Spruce Pine Quarry
Permit No. 61-13
Vulcan Construction Materials, LLC
March 15, 2021
State of North Carolina
Department of Environmental Quality
Division of Energy, Mineral, and Land Resources
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
(919) 707-9220
Revised: 2017
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APPLICATION FOR A MINING PERMIT
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
APPLICATION FOR A MINING PERMIT
(PLEASE PRINT OR TYPE)
Name of Mine Spruce Pine Ouarry County Mitchell
River Basin North Toe River in the French Broad River Basin
Latitude (decimal degrees to four places) 35.9761
Longitude (decimal degrees to four places)-82.0925
2. Name of Applicant* Vulcan Construction Materials, LLC
3. Permanent address for receipt of official mail** 4401 North Patterson Ave
Winston-Salem, North Carolina 27105
Telephone (336) 767-4600 Alternate No. (
4. Mine Office Address 396 Granite Lane, Bakersville, North Carolina 28705
Telephone (828) 688-4200
5. Mine Manager Paul Ware
6. E-mail Address: WarePgvmcmail.com
I certify that all details contained in this Permit Application are true and correct to the best of our
knowledge. We fully understand that any willful misrepresentation of facts will be cause for permit
revocation. ?
***Si
Print NaJonathan Mann
Title Vice -President, Human Resources
Date 3 -14 -at
* This will be the name that the mining permit will be issued to and the name that must be indicated on the
reclamation bond (security) that corresponds to this site.
* * The Division of Energy, Mineral, and Land Resources must be notified of any changes in the permanent address
or telephone number.
*** Signature of company officer required.
G.S. 74-51 provides that the Department shall grant or deny an application for a permit within 60 days of receipt of a
complete application or, if a public hearing is held, within 30 days following the hearing and the filing of any
supplemental information required by the Department. All questions must be addressed and all required maps
provided before this application can be considered complete. Attach additional sheets as needed.
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APPLICATION FOR A MINING PERMIT
NOTE: All of the following questions must be thoroughly answered regarding your mining operation for
the intended life of the mine. All responses must be clearly conveyed on a corresponding, detailed mine map.
A. GENERAL CHARACTERISTICS OF THE MINE
1. Answer all of the following that apply:
❑ If this is an application for a NEW permit, indicate the total acreage at the site to be covered by the
permit (this is the acreage that the "new permit" fee will be based upon):
Of this acreage, how much is owned and how much is leased? Acres owned:
Acres leased: Property owner if leased:
® If this is an application for a MODIFICATION to a mining permit, indicate the mining permit
number and the total (overall) acreage covered by the existing permit.
Mining Permit No.: 61-13 Total permitted acreage: 151.52
Does the modification involve acreage within the previously approved permitted boundary?
Yes X No ❑. If yes, indicate the acreage to be covered by this modification (this is the acreage
that the "major modification" fee will be based upon): 6.7
Does the modification involve acreage outside the previously approved permitted boundary?
Yes ❑ No ❑. If yes, indicate the additional acreage to be covered by this
modification: . (NOTE: you must complete all of Section F. of this application form
entitled Notification of Adjoining Landowners).
Of this acreage to be added to the permit, will any portion f this acr age be affected (i.e.: disturbed,
ground cover removed) by the mining operation? Yes EJ No (If no, a "minor modification"
fee of $100.00 is required, despite the "undisturbed" acreage to be added). If yes, indicate the
acreage to be affected within the acreage to be added to the permit (the total acreage to be added to
the permit is the acreage that the "major modification" fee will be based upon):
❑ If this is an application for TRANSFER of a mining permit, indicate the mining permit number and
the total (overall) acreage covered by the existing permit.
Mining Permit No.: Total permitted acreage:
SEE THE FEE SCHEDULE AT THE END OF THIS FORM FOR THE PROPER FEE AMOUNT TO BE
PAID FOR THE REQUESTED PERMIT ACTION(S) AND CORRESPONDING ACREAGE NOTED
ABOVE
5.
2. Name of all materials mined: Granite
3. Mning method:
Hydraulic Dredge Front-end Loader & Truck ❑ Shovel & Truck
Dragline & Truck Self -loading Scraper
Other (explain):
4. a. Expected maximum depth of mine (feet) _
Depth is relative to what benchmark? (e.g.,
b. Expected average depth of mine (feet) 160 feet
mean sea
Has any area(s) at this site been mined in the past? Yes ® No ❑
If yes, when and by whom was this activity conducted? G and H Crushing 10-2-1978 to 1-18-1989
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etc.)
APPLICATION FOR A MINING PERMIT
6. Number of years for which the permit is requested (Life of the Mining Operation or Life of Lease
from Public Entity):The Life of the Mining Operation is 50 years based upon market demands,
logistical engineering and geologry factors.
B. MAPS
I . Clearly mark and label the location of your mining operation on six (6) copies of a 7.5-minute quadrangle
and a county highway map. These maps, in addition to six (6) copies of all mine maps and reclamation
maps, must be submitted with each permit application.
7.5-minute quadrangles may be obtained from the N.C. Geological Survey:
Mailing Address: Physical Address:
1612 Mail Service Center OR 512 North Salisbury Street, 51h Floor
Raleigh, North Carolina 27699-1612 Raleigh, North Carolina 27604
(919) 733-2423
Littip:..": portal.ncdenr.org/web/I geological home
County highway maps may be obtained from the N.C. Department of Transportation:
North Carolina Department of Transportation — Geographic Information Systems (GIS)
Mailing Address:
NCDOT GIS Unit
1587 Mail Service Center
Raleigh, North Carolina 27699-1587
Physical Address:
NCDOT GIS Unit
3401 Carl Sandburg Court
Raleigh, North Carolina 27610
(919)212-6000
http--.-"..-'www.nedot.org.'it/gis/
2. Mine maps must be accurate and appropriately scaled drawings, aerial photographs or enlarged
topographic maps of the entire mine site. All aspects of the mine site must be clearly labeled on the
maps along with their corresponding (approximate) acreage. Thus, all mine and reclamation maps
must denote those activities that are intended to be conducted during the life of the mining permit.
All maps must be of a scale sufficient (see minimum requirements listed below) to clearly illustrate the
following, at a minimum:
a. Property lines of the tract or tracts of land on which the proposed mining activity is to be located
including easements and rights -of -way.
b. Existing or proposed permit boundaries.
c. Initial and ultimate limits of clearing and grading.
d. Outline and width of all buffer zones (both undisturbed and unexcavated).
e. Outline and acreage of all pits/excavations.
f. Outline and acreage of all stockpile areas.
g. Outline and acreage of all temporary and/or permanent overburden disposal areas.
h. Location and acreage of all processing plants (processing plants may be described as to location and
distance from mine if sufficiently far removed).
i. Locations and names of all streams, rivers and lakes.
j. Outline and acreage of all settling and/or processing wastewater ponds.
k. Location and acreage of all planned and existing access roads and on -site haul roads.
1. Location of planned and existing on -site buildings.
m. Location and dimensions of all proposed sediment and erosion control measures.
n. Location of 100-year floodplain limits and wetland boundaries.
o. Names of owners of record, both public and private, of all tracts of land that are adjoining the mining
permit boundary; if an adjoining tract is owned or leased by the applicant or is owned by the lessor of
the mine tract, names of owners of record of tracts adjoining these tracts, that are within 1,000 feet of
the mining permit boundary, must be provided on the mine map.
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APPLICATION FOR A MINING PERMIT
p. Names of owners of record, both public and private, of all tracts of land that are adjoining the mining
permit boundary which lie directly across and are contiguous to any highway, creek, stream, river, or
other watercourse, railroad track, or utility or other public right-of-way. If an adjoining tract is owned
or leased by the applicant or is owned by the lessor of the mine tract, names of owners of record of
tracts adjoining these tracts, that are within 1,000 feet of the mining permit boundary, must be
provided on the mine map(s). NOTE: "Highway" means a road that has four lanes of travel or less
and is not designated as an Interstate Highway.
q. Map legend:
1. Name of applicant
2. Name of mine
3. North arrow
4. County
5. Scale
6. Symbols used and corresponding names
7. Date prepared and revised
8. Name and title of person preparing map
Map scales should meet the following guidelines:
PERMITTED ACREAGE
MAP SCALE
0-49 Acres
1 inch = 50 feet
50-199 Acres
1 inch -- 100 feet
200+ Acres
1 inch — 200 feet
(NOTE: Smaller scaled maps may be acceptable if they clearly illustrate the above items)
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APPLICATION FOR A MINING PERMIT
A table/chart must be provided on the mine map that clearly lists the approximate acreage of tailings/sediment
ponds, stockpiles, wastepiles, processing area/haul roads, mine excavation and any other major aspect of the
mining operation that is proposed to be affected/disturbed during the life of the mining permit. A table/chart
similar to the following will be acceptable:
CATEGORY
AFFECTED ACREAGE
Tailings/Sediment Ponds
2 Acres
Stockpiles
15.5 Acres
Wastepiles
29 Acres
Processing Area/Haul Roads
7.7 Acres
Mine Excavation
43.5 Acres
Other (Explain)
0 Acres
Total Disturbed Acreage
97.7 Acres
Total Permitted Acreage
151.52 Acres
NOTE:
IN ADDITION TO THE ABOVE, THE MAPS MUST ALSO INCLUDE ANY SITE -SPECIFIC
INFORMATION THAT IS PROVIDED IN THE ANSWERS TO THE FOLLOWING QUESTIONS IN
THIS APPLICATION FORM (PLEASE NOTE THE ITALICIZED QUESTIONS/STATEMENTS
THROUGHOUT THE FORM). THIS APPLICATION WILL NOT BE CONSIDERED COMPLETE
WITHOUT ALL RELEVANT ITEMS BEING ADEQUATELY ADDRESSED ON THE MINE MAPS.
We
APPLICATION FOR A MINING PERMIT
C. PROTECTION OF NATURAL RESOURCES
Describe in detail the sequence of events for the development and operation of the mine and reference the
sequence to the mine map(s). Attach additional sheets as needed.
A portion of the site has been graded and developed into a quarry. Erosion control measures will
be installed prior to the development of any areas that do not drain into the pit. Areas disturbed
for the site development will be stabilized once the final grades are obtained. See the erosion
control sequence on the previously approved construction details for the specific sequence of
construction for the measures to be constructed.
Describe specific erosion control measures to be installed prior to land disturbing activities and during
mining to prevent offsite sedimentation (include specific plans for sediment and erosion control for mine
excavation(s), waste plies, access: mine roads and process areas), and give a detailed sequence of
installation and schedule for maintenance of the measures. Locate and label all sediment and erosion
control measures on the mine maps) and provide typical cross-sections:'construction details of each
measure. Engineering designs and calculations are required to justify the adequacy of any proposed
measures.
Existing erosion and sediment measures were designed, approved and installed per the original
application, subsequent modifications and the permit. These measures include diversion ditches,
sediment basins (silt traps & riser basins) and silt fence. See the construction sequence on the plans
for the sequence of construction and maintenance.
3. a. Will the operati involve washing the material mined, recycling process water, or other waste water
handling? Yes � No ❑. If yes, briefly describe all such processes including any chemicals to be used.
Wash water generated at the sizing -wash screen is pumped back to the quarry excavation for
settling. Settling is performed by gravity and the use of flocculants. The water will be recycled as
wash water.
b. Will the operation involve dis ging fash or waste water from the mine or plant as a point discharge to
the waters of the State? Yes No LJ. Ifyes, briefly describe the nature of the discharge and locate
all proposed discharge points (along with their method of stabilization) on your mine map(s).
Stormwater will discharge via approved E&S structures. Future pit dewatering will be pumped
from the pit and discharged.
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APPLICATION FOR A MINING PERMIT
c. Will any part of the proposed mine excavation(s) extend bel w the der table? Yes ® No ❑.
If yes, do you intend to dewater the excavation(s)? Yes No
If yes, what impact, if any, will mine dewatering have on neighboring wells? Estimated withdrawal rate
in gallons per day: (see note below). Locate all existing wells on the mine maps) that lie within 500feet
of the proposed excavation area. Provide data to support any conclusions or statements made, including
any monitoring well data, well construction data and current water withdrawal rates. Indicate whether
the proposed mine locale is served by a public water system or private wells.
The pit does not currently extend below the water table.
The operation is not believed to have affected or have the potential to adversely impact any well in
the vicinity. This is based upon the history of the operation and similar locations. The
surrounding area is served by private wells.
d. If you answered yes to any of the above questions, provide evidence that you have applied for or
obtained the appropriate water quality permit(s) (i.e., non -discharge, NPDES, Stormwater, etc.) from the
Stormwater Program. In addition, the applicant is required to register water use with the Division of
Water Resources, Ground Water Management Branch, if the operation withdraws more than 10,000
gallons per day and needs a capacity use permit from the Division of Water Resources, Ground Water
Management Branch, if the operation lies in a capacity use area and withdraws more than 100,000
gallons per day.
We hold general permit number NCG020000, Certificate of Coverage NCG020511 that addresses
and covers water -related activities including dewatering, process water and settling pond and
stormwater discharge. Also, we have registered water use with the Division of Water Resources.
4. a. Will the operation involve crushing or any other air contaminant emissions? Yes ® No ❑.
If yes, indicate evidence that you have applied for or obtained an air quality permit issued by the
Division of Air Quality or local governing body.
We hold Air Permit Number 4797R11 issued by the NCDEQ.
b. How will dust from stockpiles, haul roads, etc., be controlled?
Fugitive dust from stockpiles and haul roads will be controlled by use of a water truck. Water
will also be applied at the appropriate areas throughout the crushing circuit by use of spray bars.
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APPLICATION FOR A MINING PERMIT
5. a. A buffer will be required between any mining activity and any mining permit boundary or right-of-
way. It may be an unexcavated buffer (no excavation, but roadways, berms and erosion &
sedimentation control measures may be installed within it), an undisturbed buffer (no disturbance
within the buffer whatsoever), or a combination of the two, depending upon the site conditions. Note
that all buffers must be located within the mining permit boundaries.
How wide a buffer will be maintained between any mining activity and any mining permit boundary
or right-of-way at this site? A minimum buffer of 25 feet is recommended, although a wider buffer
may be needed depending on site conditions. Show all buffer locations and widths on the mine
map(s).
An unexcavated buffer zone of at least 25 feet wide will be provided along adjacent property
lines.
b. A minimum 50 foot wide undisturbed buffer will be required between any land disturbing activities
within the mining permit boundaries and any natural watercourses and wetlands unless smaller
undisturbed buffers can be justified. Depending on site conditions, a buffer wider than 50 feet may
be needed.
How wide an undisturbed buffer will be maintained between any land disturbing activities within the
mining permit boundaries and any natural watercourses and wetlands at this site? Show all buffer
locations and widths on the mine map(s).
A minimum buffer width of 50 feet will be maintained adjacent to streams and wetlands,
except for areas where impacts have been previously permitted, and in locations for temporary
crossings.
6. a. Describe methods to prevent landslide or slope instability adjacent to adjoining permit boundaries
during mining. Minimum 2 horizontal to 1 vertical slopes or flatter for clayey material and
minimum 3 horizontal to 1 vertical slopes or flatter for sandy material are generally required, unless
technical justification can be provided to allow steeper slopes.
A 25 foot minimum buffer will be maintained between any new cut slopes and adjacent
properties. The slopes will be constructed at a 2H: l V slope angle and seeded immediately upon
completion.
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APPLICATION FOR A MINING PERMIT
b. Provide a cross-section on the mine map(s) for all fill slopes (berms, wastepiles, overburden
disposal areas, etc), clearly indicating the intended side slope gradient, installation of any benches
and/or slope drains (with supporting design information) if needed, and the method of final
stabilization.
See the previously approved mine permit modifications for waste area construction plans for
the typical slope, bench, and slope drainage details. The typical pit wall detail and typical
reclamation slope are shown on the reclamation plan.
c. In excavation(s) of unconsolidated (non -rock) materials, specify the angle of all cut slopes including
specifications for benching and sloping. Cross -sections for all cut slopes must be provided on the
mine map(s).
Final cut slopes will be at a 2H:1V slope angle unless noted otherwise on the plans.
d. In hardrock excavations, specify proposed bench widths and heights in feet. Provide cross -sections
of the mine excavation clearly noting the angles of the cut slopes, widths of all safety benches and
mine benches, and the expected maximum depth of the excavation.
An eight to twelve degree bank slope offset form vertical with a 30 foot wide bench at 80 foot
intervals will be provided in new expanded pit areas.
7. Describe other methods to be taken during mining to prevent physical hazard to any neighboring dwelling
house, public road, public, commercial or industrial building from any mine excavation. Locate all such
structures on the mine map if they are within 300 feet of any proposed excavation.
The existing pit excavation is a minimum of 25 foot from adjacent properties.
8. Describe what kind of barricade will be used to prevent inadvertent public access along any high wall area
and when it will be implemented. Vegetated earthen berms, appropriate fencing and adequate boulder
barriers may be acceptable high wall barricades. A construction detailicross-section and location of each
type of barricade to be used must be indicated on the mine map(s).
A combination of earthen berms and boulders placed end to end now provide a barrier to the pit high
walls and will be maintained as a permanent barricade. These structures will continue to be used for
the site development. In addition, a 20' horizontal safety bench will be constructed along the toe of
the overburden slope and the top of the rock junction for any walls constructed.
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APPLICATION FOR A MINING PERMIT
9. Are acid producing minerals or soils present? Yes ❑ No ®.
If yes, how will acid water pollution from the excavation, stockpiles and waste areas be controlled?
10. a. Describe specific plans (including a schedule of implementation) for screening the operation from
public view such as maintaining or planting trees, bushes or other vegetation, building berms or other
measures. Show the location ofall visual screening on the mine map(s) and provide cross sections
through all proposed berms or proposed spacing, sizes and species for tree plantings.
Existing vegetation has been maintained in areas on the east, west, south, and north sides of
the site to screen the quarry from public view.
b. Could the operation have a significantly adverse effect on the purposes of a publicly owned park,
forest or recreation area? If so, how will such effects (i.e., noise, visibility, etc.) be mitigated?
The mine site is located a sufficient distance away from any public recreation areas that there
is no known adverse impacts associated with the mine operations.
11. Will explosives be used? Yes ® No M.
If yes, specify the types of explosive(s) and describe what precaution(s) will be used to prevent physical
hazard to persons or neighboring property from flying rocks or excessive air blasts or ground vibrations.
Depending on the mine's location to nearby structures, more detailed technical information may be
required on the blasting program (such as a third -party blasting study). Locate the nearest offsite occupied
structures) to the proposed excavations) on the mine map and indicate its approximate distance to the
proposed excavation.
Emulsion 1 ANFO blends and electronic detonators will be used. Drilling, loading and blasting
operations will be performed by qualified personnel who will follow the blasting techniques and
procedures recommended by blasting specialists. Records for each blast will be maintained, and we
will monitor all blasts with a seismograph and record the location, distances from the blasts, and
identity of the property owner where the unit is located.
12. Will fuel tanks, solvents, or other chemical reagents be stored on -site? Yes ® NoEl.
Ifyes, describe these materials, how they will be stored and method of containment in case ofspill. Indicate
the location(s) of all storage facilities on the mine map(s).
Fuel and other essential petroleum products will be stored on -site in above ground, approved tanks or
drums. A Spill Prevention Control and Countermeasure Plan has been 'implemented to ensure that
any spill is contained and not allowed to adversely impact adjoining properties or natural resources.
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APPLICATION FOR A MINING PERMIT
D. RECLAMATION PLAN
Describe your intended plan for the final reclamation and subsequent use of all affected lands and indicate
the sequence and general methods to be used in reclaiming this land. This must include the method of
reclamation of settling ponds and/or sediment control basins and the method of restoration or establishment
of any permanent drainage channels to a condition minimizing erosion, siltation and other pollution. This
information must be illustrated on a reclamation map and must correspond directly with the information
provided on the mine map(s). In addition, design information, including typical cross -sections, of any
permanent channels to be constructed as part of the reclamation plan and the location(s) of allpermanent
channels must be indicated on the reclamation map.
Reclamation at Spruce Pine Quarry is an ongoing process. Through on -site inspections, Vulcan
Construction Materials, LLC monitors, on a periodic basis, the site for areas that may need
maintenance or construction of additional erosion and sediment control measures. After the mining
operation has ceased, all of the affected land will be sloped for drainage, contoured, graded and
vegetated per the approved seed mix.
2. Is an excavated or impounded body of water to be left as a part of the reclamation? Yes ® No ❑.
If yes, illustrate the location of the body(s) of water on the reclamation map and provide a scaled
cross-section(s) through the proposed body(s) of water. The minimum water depth must be at least 4 feet,
measured from the normal low water table elevation, unless information is provided to indicate that a more
shallow water body will be productive and beneficial at this site.
Will the body(s) of water be stocked with fish? Yes ❑ No ®.
If yes, specify species.
The quarry will be allowed to fill with water creating a 17± acre reservoir with an average depth of
120 feet.
3. Describe provisions for safety to persons and to adjoining property in all completed excavations in rock
including what kind of permanent barricade will be left. Acceptable permanent barricades are appropriate
fencing, large boulders placed end -to -end, etc. Construction details and locations of all permanent
barricades must be shown on the reclamation map.
"No Trespassing — Open Pit" signs will be placed around the perimeter of the mined site. A fence,
rock boulders or a berm will be constructed around the pit area. Access to the mine via auto will be
limited only to the gated entrances.
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APPLICATION FOR A MINING PERMIT
4. Indicate the method(s) of reclamation of overburden, refuse, spoil banks or other such on -site mine waste
areas, including specifications for benching and sloping. Final cross -sections and locations for such
areas must be provided on the reclamation map.
All overburden slopes and fill slopes are to be constructed with 2:1 slopes or flatter. The slopes
are to be seeded with a prescribed seed mix designed to suppress the velocity of run-off and
minimize and control erosion.
5. a. Describe reclamation of processing facilities, stockpile areas, and on -site roadways.
The area occupied by the processing facilities, stockpiles, and on -site roadways will be regraded
and contoured to a stable condition. These areas will then be vegetated per approved seed mix.
b. Will any on -site roadways be left as part of the reclamation? Yes ® No ❑.
If yes, identify such roadways on the reclamation map and provide details on permanent road and ditch
line stabilization.
The main access road into the property is to be left intact. The ditch lines are to be lined with
riprap, and or seeded to prevent erosion. The main haul road and service roads will remain for
vehicular access to the lake formed by the pit. These roads shall be stabilized while the quarry is
active. The roads and their need for maintenance will be determined by the future use of the site
after the operation has ceased.
6. Describe the method of control of contaminants and disposal of scrap metal, junk machinery, cables, or
other such waste products of mining. (Note definition of refuse in The Mining Act of 1971.)
No off -site generated waste shall be disposed of on the mine site without Bliff written approval
from the NC Department of Environmental Quality, Division of Energy, Mineral, and Land
Resources and either the Division of Waste Management (DWM) or local governing body. If a
disposal permit has been issued by DWM for the site, a copy of said permit must be attached to
this application. A11 temporary and permanent refuse disposal areas must be clearly delineated on the
mine maps) and reclamation map, along with a list of items to be disposed in said areas.
All potential contaminants and solid and liquid wastes will be disposed of off -site by approved
methods and/or disposal sites. This includes all petroleum products, scrap metal, machinery and
other waste products.
APPLICATION FOR A MINING PERMIT
7. Describe your plan for revegetation or other surface treatment of the affected areas. This plan must include
recommendations for year-round seeding, including the time of seeding and the amount and type of seed, fertilizer,
lime and mulch per acre. The recommendations must include general seeding instructions for both permanent and
temporary revegetation. Revegetation utilizing only tree plantings is not acceptable. Recommendations can be
sought from:
a. Authorized representatives of the local Soil and Water Conservation District;
b. Authorized representatives of the Division of Forest Resources, Department of Environment and
Natural Resources;
c. Authorized county representatives of the North Carolina Cooperative Extension Service, specialists
and research faculty with the Colleges of Agriculture and Life Sciences and Forest Resources at
North Carolina State University;
d. North Carolina licensed landscape architects;
e. Private consulting foresters referred by the Division of Forest Resources, Department of
Environment and Natural Resources;
f. N.C. Erosion and Sedimentation Control Planning and Design Manual;
g. N.C. Surface Mining Manual: A Guide for Permitting, Operation and Reclamation;
h. Others as may be approved by the Department.
LIME - RATE OF APPLICATION (tons/acre):
2000 lbs/acre or as per soil test recommendations
FERTILIZER - ANALYSIS AND RATE OF APPLICATION (pounds/acre):
1000 lbs/acre 8-8-8 or 10-10-10 or as per soil test recommendations
SEED - TYPE(S) AND RATE(S) OF APPLICATION INCLUDING YEAR-ROUND SEEDING
SCHEDULE (pounds/acre): [NOTE: Include Legumes]
Seeding Dates: Seeding Types: Seeding Rates:
February 15 — April I Korean Lespedeza 10
Fescue 40
Redtop 1
Winter Rye (grain) 15
April 1 — July 31 Common Bermuda 50
August 1 October 25 Lespedeza (unscarified) 30
German Millet 40
October 26 — February 15 Rye (grain -temporary) 120
MULCH - TYPE AND RATE OF APPLICATION (pounds/acre) AND METHOD OF ANCHORING:
Small grain straw at a rate of 2000 lbs/acre and tack with paper
OTHER VEGETATIVE COVERS — TYPE (S) AND RATE (S) OF APPLICATION INCLUDING
SEEDING SCHEDULE (pounds/acre, trees/acre, spacing of trees/shrubs, etc):
Spring/Summer May 1 - Sept. 15 Fall/Winter Sept. 15 - April 30
Brown Millet 20 lbs/acre Rye Grain 120 lbs/acre
Rye Grain 120 lbs/acre Fescue 20 lbs/acre
Fescue 20 lbs/acre Ladino Clover 5 lbs/acre
Add one of the following to the above mixture:
Crown Vetch 5 lbs/acre
Ladino Clover 5 lbs/acre
Alfalfa 5 lbs/acre
Revegetation and/or reforestation plan approved by:
Signature Currently approved vegetation plan for this mine site _ Date
Print Name
Title
Agency
-14-
APPLICATION FOR A MINING PERMIT
E. DETERMINATION OF AFFECTED ACREAGE AND BOND
The following bond calculation workrheet is to be used to establish an appropriate bond (based upon a range
of $500 to $5, 000 per affected acre) for each permitted mine site based upon the acreage approved by the
Department to be affected during the life of the mining permit. Please insert the approximate acreage, for each
AFFECTED
RECLAMATION
RECLAMATION
CATEGORY
ACREAGE
COST/ACRE*
COST
Tailings/Sediment Ponds:
Ac.
X
$
/Ac.
_ $
Stockpiles:
Ac.
X
$
/Ac.
— $
Wastepiles:
Ac.
X
$
/Ac.
_ $
Processing Area/Haul Roads:
Ac.
X
$
/Ac.
_ $
Mine Excavation:
Ac.
X
$
/Ac.
— $
Other:
Ac.
X
$
/Ac.
— $
TOTAL AFFECTED AC.:
(TOTAL PERMITTED AC.:
Ac.
Ac.)
Temporary & Permanent Sedimentation & Erosion Control Measures:
Divide the TOTAL AFFECTED AC. above into the following two categories: a) affected acres that drain into
proposed/existing excavation and/or b) affected acres that will be graded for positive drainage where measures will
be needed to prevent offsite sedimentation and sedimentation to onsite watercourses and wetlands.
a) Internal Drainage Ac.
b) Positive Drainage Ac. X $1,500.00 $
SUBTOTAL COST: $
Inflation Factor:
0.02 X SUBTOTAL COST: $ X Permit Life Provided by Applicant (Life of the Mining Operation
or Life of Lease from Public Entity (in Years)):
INFLATION COST: $
Total Reclamation Bond Cost: $ Vulcan molds a $1,000,000.00 Blanket Bond
(round down to the nearest $100.00)
(NOTE: The reclamation bond cannot exceed $1 million per GS 74-54)
-15-
APPLICATION FOR A MINING PERMIT
G. LAND ENTRY AGREEMENT
We hereby grant to the Department or its appointed representatives the right of entry and travel upon our lands
or operation during regular business hours for the purpose of making necessary field inspections or investigations as
may be reasonably required in the administration of the Mining Act of 1971 pursuant to G.S. 74-56.
We further grant to the Department or its appointed representatives the right to make whatever entries on the
land as may be reasonably necessary and to take whatever actions as may be reasonably necessary in order to carry
out reclamation which the operator has failed to complete in the event a bond forfeiture is ordered pursuant to G.S.
74-59.
L ANDOAVNER:
Print Name: James A. Chrismon
(Title, if applicable) President
CompanyY
(If applicable)
IiA Dili ICA'
1 L
Signature:*
Print Name
Title: _ _ Vice -President, Human Resources
Address: 1959 N. Peace Haven Road PMB 192 Company: Vulcan Construction Materials, LLC
Winston-Salem, NC 271064850
Telephone: (336) 655-2005
Date Signed:
Mine Name: Spruce Pine Ouarry
Telephone: 336 7674600
Date Signed: 3 -to ` I
*Signature must be the same as the individual who signed Page 1 of this application.
and reclamation mans, and the appropriate processing fee (see next page for fee schedule) in the form a check
or money order payable to the North Carolina Department of Environmental Quality must be sent to the
Raleigh Central Office at the address listed on the front cover of this application form.
Inquiries regarding the status of the review of this application should be directed to the Mining Program staff at
(919) 707-9220.
APPLICATION FOR A MINING PERMIT
MINING FEE SCHEDULE
A nonrefundable permit application processing fee when filing for a new mining permit, permit modification or transferred permit is
required as follows:
New Permit Applications
Permit Modifications
Permit Transfers
Annual Operating Fee
0-25 acres
$3,750.00
$750.00
$100.00
$400.00
26+acres
$5,000.00
$1,000.00
$100.00
$400.00
Acres for new permits means the total acreage at the site. Acres for modification of permits means that area of land affected by the modification within the permitted mine
area, or any additional land that is to be disturbed and added to an existing permitted area, or both.
- 17 -
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
Rip Rap Lined Channels
CONSTRUCTION SPECIFICATION
1. Construction will be carried out in such a manner that erosion and
sediment loss will be minimized.
2. Prior to commencing construction, appropriate temporary erosion and
sediment control structures will be installed. Temporary control
structures include (but are not limited to) silt fence, rock check dams
and straw bale barriers.
3. Remove all trees, brush, stumps, and other objectionable material from
the foundation area and dispose of properly.
4. Excavate the channel foundation and shape in line, grade and cross
section as designed, free of irregularities, which impede normal flow.
Bring over excavated areas to grade by backfilling with moist soil
compacted to the density of the surrounding material.
5. Grade soil away from channel so that surface water may enter freely.
6. Place filter cloth and/or any other bedding material to line and grade as
designed. Place filter and bedding material immediately after slope
preparation. For filter fabrics, overlap the downstream edge by at least
12 inches over the upstream edge that is buried in a minimum 12-inch
trench. Space anchor pins every 3 feet along the overlap. Spread
granular materials in a uniform layer. When more than one gradation
is specified, spread the layers so there is minimal mixing.
7. All earth material not needed in construction shall be spread or
disposed of so that it will not interfere with the functioning of the
diversion.
8. Apply lime, fertilizer and seed the disturbed areas around the channel
in accordance with the Vegetation Plan.
MAINTENANCE
Inspect rip rap lined channels at regular intervals as well as after major rains, and
make repairs as soon as practical. Give special attention to the outlet and inlet sections and
other points where concentrated flow enters. Carefully check stability at road crossings
and look for indications of piping, scour holes or bank failures. Maintain all vegetation
adjacent to the channel in a healthy, vigorous condition to protect the area from erosion and
scour during high flow periods.
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
RECLAMATION
Reclamation will be conducted per the Reclamation Plan unless otherwise noted.
Refer to the following drawing of a typical riprap-lined conveyance channel.
Typical Rip Rap Conveyance Channel
Srmglhly Gland
comact are
Design ltiickness
Design thickness
V-shaped Riprap Channel
❑esign top width
5ubgrade excavation
Fi4er layer, gravel w fabric
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
Wire Reinforced Silt Fences and Super Silt Fence
CONSTRUCTION SPECIFICATIONS
Use a synthetic filter fabric or pervious sheet of polypropylene,
nylon, polyester, or polyethylene yarn, which is certified by the
manufacturer or supplier as conforming to the requirements shown
in the following table.
Specifications for Sediment Fence Fabric
Physical Property
Requirements
Filtering Efficiency
85% min.
Tensile Strength at 20% max. Elongation
Standard Strength - 301b./fin. in. min
Extra Strength
50 lb/lin. in. min
Slurry Flow Rate
1 0.3 al/s ft./min. min
Synthetic filter fabric should contain ultraviolet ray inhibitors and
stabilizers to provide a minimum of six months of expected usable
construction life at a temperature range of 0 to 1200 F.
2. Fence shall be 42" high woven wire fence constructed in accordance
with the latest North Carolina Department of Transportation Woven
Wire Fence Detail 866.02.
3. For reinforcement of standard strength filter fabric to be fastened
securely to the woven wire fence with ties a minimum 14 gauge and a
maximum mesh spacing of 24 inches at top and mid section.
CONSTRUCTION
Construct the wire reinforced silt fence of standard strength or extra
strength synthetic filter fabrics.
2. Ensure that the height of the sediment fence does not exceed 42 inches
above the ground surface. (Higher fences may impound volumes of
water sufficient to cause failure of the structure).
3. Construct the filter fabric from a continuous roll cut to the length of the
barrier to avoid joints. When joints are necessary, securely fasten the
filter cloth only at a support post with overlap to the next post.
4. Support standard strength filter fabric by the woven wire fence fastened
securely to the up slope side of the posts using heavy duty tie wires.
Extend the woven wire fence support to the bottom of the trench.
Utilize a wire mesh support fence. Space support posts a maximum of
10 feet apart. Support posts should be driven securely into the ground
to a minimum of 36 inches.
6. Excavate a trench approximately 24 inches wide and 9 inches deep
along the proposed line of posts and upslope from the barrier.
Backfill the trench with compacted soil placed over the filter fabric.
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
MAINTENANCE
1. Inspect wire reinforced silt fence at least once a week and after each
rainfall. Make any required repairs immediately.
2. Should the fabric of sediment fence collapse, tear, decompose or
become ineffective, replace it promptly.
3. Remove sediment deposits as necessary to provide adequate storage
volume for the next rain and to reduce pressure on the fence. Take care
to avoid undermining the fence during cleanout.
4. Remove all fencing materials and unstable sediment deposits and bring
the area to grade and stabilize it after the contributing drainage area has
been properly stabilized.
RECLAMATION
Reclamation will be conducted per the Reclamation Plan unless otherwise noted.
Refer to the following drawing of a typical wire reinforced silt fence.
Wire Reinforced Silt Fence Detail
1. SET POSTS AND EXCAVATE A 4" X 4" TRENCH
UPSLOPE ALONG THE LINE OF POSTS.
4"
3. ATTACH THE FILTER FABRIC TO THE WIRE
FENCE AND EXTEND IT INTO THE TRENCH.
2. ATTACH WIRE FENCING TO THE POSTS.
4. BACKFILL AND COMPACT THE EXCAVATED
FILL.
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
METAL
CHAINCHAIN LINK FENCE WITH ONE i
FILTERL4YER OF aED TO IT FILTER
IL TO i
I
/
:•.:::::•.:•.::•.:•.:•.:•.::•.:::•.:•.:•.:�0:•... :
GROUND
...:•••••••.................. 11=11:
EMBED FILTER
FABRIC 3"
II=11 11=11=11.=:II.
GROUND INTO GROUND
ELEVATION VIEW 90"
LAY FILTER FABRIC
IN BOTTOM OF 3"
WIDE TRENCH
Fencing:
SECTION VIEW
Chain link fence shall be 39" above grade with 3" embedded for a total fabric width of 42". The post shall be 42" above grade with 30"
placed below grade (without concrete) for a total length of 72".
Notes:
1. Chain link fence shall be fastened securely to fence posts with wire ties.
2. Filter fabric shall be fastened securely to chain link fence with ties spaced horizontally 24" at the top and midsection.
3. Physical properties of the filter fabric shall conform to the latest edition of the NC Erosion and Sediment Control Planning and Design
Manual.
4. When two sections of filter fabric adjoin each other, they shall be overlapped by 6".
5. Maintenance shall be performed as needed and material shall be removed when sediment build-up reaches 50% of the height of the
super silt fence.
6. Contractor shall plan to install a minimum of 1 Rock Check Dam Outlet for every 3001f of installed Super Silt Fence.
SUPER SILT FENCE
NO SCALE
Spruce Pine Quarry • Mining Permit No. 61-13 • Permit Modification
Vulcan Construction Materials, LLC • March 15, 2021
Outlet Protection
INTRODUCTION
Outlet Protection consists of Class 1 or Class 2 Rip Rap constructed in accordance
with NCDOT standards. Outlet protection for culverts is configured in accordance with
NCDOT design charts. Outlet protection for sediment structures consists of a level area
that varies in size and is designed to accommodate the flows from a particular outlet. Each
Outlet Protection is site specific and a detail is provided for the particular structure to which
the Outlet Protection applies.
The level area consists of NCDOT Class 1 rip rap constructed in accordance with
the plans. Outlet protection is designed to reduce velocity and disperse water. Outlet
protection is designed to reduce the possibility of erosion caused by concentrated waters
on natural slopes.
CONSTRUCTION
1. Clear the foundation area of trees, stumps, roots, loose rock, and other
objectionable material.
2. Excavate the cross section to the lines and grades of the rip rap
placement as shown on the plans. Bring over -excavated areas to grade
by increasing the thickness of the liner or by backfilling with moist soil
compacted to the density of the surrounding material. Place all surplus
excavated material from the trap excavation in the overburden disposal
berm or other approved area.
3. Perform all channel construction to keep erosion and water pollution to
a minimum. Immediately upon completion of the channel, vegetate all
disturbed areas per the approved Reclamation Plan or as stated
otherwise to protect them against soil erosion. Where sediment trap
construction will take longer than 30 days, vegetate incrementally.
MAINTENANCE
Inspect outlet protection at regular intervals as well as after major rains,
and make repairs promptly. Give special attention to the outlet and inlet
sections and other points where concentrated flow enters. Carefully
check stability and look for indications of piping, scour holes, or bank
failures. Make repairs immediately. Maintain all vegetation adjacent
to the slope channel in a healthy, vigorous condition to protect the area
from erosion and scour during out -of -bank flow.
RECLAMATION
Reclamation will be conducted per the Reclamation Plan unless otherwise noted.
SEDCAD 4 for Windows
1'nn. ;r H# i Gan .-Jnin P-i. I c r F --• ,
S
nstruction Material
Spruce Pine Quarry
mit 61-13 Modification
Diversion Ditch No. 1 and Diversion Ditch No. 2
Drainage Area(s) DA-1. DA-2. and DA-3
Storm Event. 14 yr - 24 hr
Marshall Miller and Associates, Inc.
200 George Street
Suite 5
Beckley, West Virginia 25801
Phone: (304)-255-8937
Email: earl.chomsbay@mmal.com
Filename: DIVERSION DITCH i ELC.sc4
Printed 02-16-2021
SEDCAD 4 for Windows
f'n mmt 1009L -7nin on-i. I Gh—h
General Information
Storm Information:
Storm Type:
NRCS Type II
Design Storm:
10 yr - 24 hr
Rainfall Depth:
5.920 inches
Filename; DIVERSION DITCH 1 _ELC.SC4
Printed 02-16-2021
SEDCAD 4 for Windows
!`mm�inht 1049.7n 1n Pamela I Crh,.-h
Structure Networking;
Type
Stru
#
(flows
into)
Stru
#
Musk. K
(hrs)
Musk. X
Description
Null
#1
=_>
#4
0.000
0.000
DA-1
Null
#2
=_>
#4
0.000
0.000
DA-2
Null
#3
=_>
End
0.000
0.000
CULVERT TO PIi
Null
#4
=_>
#3 1
0.000
0.000
DA-3
#1
Null
#1
Null
#4
Null
#3
Null
Filename: DIVERSION DITCH 1 ELC.sc4
Printed 02-16-2021
SEDCAD 4 for Windows
i:nrnxinF.M 1008 _7f11 A Dpmalp 1 Crh—h
Structure Summary:
Immediate
Total
Total
Contributing
Contributing
Di ch Discharge
Runoff
bu
Area
Volume
(ac)
(ac)
ffs)
(ac-ft)
#2
2.310
2.310
6.06
0.46
#1
19.290
19.290
55.28
4.26
#4
1.450
23.050
67.25
5.24
#3
0.000
23.0%
67.25
5.24
Filename: DIVERSION DITCH 1_ELC.sc4
Printed 02-16-2021
SEDCAD 4 for Windows
f.—,Anht tOGil -,jnin cps —in I 4rh.-h
Structure Detail;
Structure #2Null
DA-2
Structure #1 (Nulls
DA-1
Structure #4 (AL011
DA 3
Structure #3 (Null
CUL VERT TO PIT
Filename: DIVERSION DITCH 1 ELC.sc4 Printed 02-16-2021
SEDCAD 4 for Windows
!`.+. m-ht l non -9M n P-i. i
6
Subwatershed Hydrology Detail:
5
#
5
#
SWS Area
(ac)
Time of
Conc
(hrs)
Musk K
(hrs)
Musk
Curve
Number
UHS
Peak
Discharge
(cfs)
Runoff
Volume
(ac-ft)
#2
1
2.310
2.310
0.066
0.000
0.000
66.000
M
6.06
0.458
6.06
55.28
0.458
4.256
#] 1 19.290 0.113 0.000 0.000 69.000 M
19.290
35.28
4.256
#4
1
1.450
0.042
0.000
0.000
86.000
M
5.91
0.523
93
E
i
23.050
23.050
67.23
5.237
67.25
5.237
Subwatershed Time of Concentration Details:
Stru
Sw5
Land Flow Condition
Slope (%)
Vert Dist.
Horiz. Dist.
Velocity
Time (hrs)
#
#
(ft)
(ft)
(fps)
#1
1
1. Forest with heavy ground litter
41.33
124.00
300.00
1.620
0.051
7. Paved area and small upland
gullies
41.52
213.00
513.00
12.970
0.010
7. Paved area and small upland
gullies
13.55
178.00
1,314.00
7.400
0.049
8. Large gullies, diversions, and low
7.83
8.37
107.00
8.390
0.003
flowing streams
#1
1
Time of Concentration:
0.113
#2
1
1. Forest with heavy ground litter
57.78
26.00
45.00
1.920
0.006
1. Forest with heavy ground litter
14.14
27.00
191.00
0.950
0.055
7. Paved area and small upland
gullies
14.19
21.99
155.00
7.580
0.005
#2
1
Time of Concentration:
0.066
#4
1
S. Nearly bare and untilled, and
0.50
0.19
38.00
0.700
0.015
alluvial valley fans
B. Large gullies, diversions, and low
flowing streams
11.44
114.39
999.92
10.140
0.027
#4
1
Time of Concentration:
0.042
Filename: DIVERSION DITCH 1_ELC.sc4
Printed 02-16-2021
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NOAA Atlas 14, Volume 2, Version 3
il
Location name: Spruce Pine, North Carolina, USA' r
Latitude: 35.9135°, Longitude:-82.07090
Elevation: 2583.23 ft"
'source: ESR' Maps
source: USGS
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M Bonnln. D Martin B Lin, T Parzybok, M Yekta and D. Riley
NOAA National Weather Ser Ace, Silver Spring, Maryland
PF Igb lar I PF 9ahical I CDs & aerials
PF tabular
PDS-based point precipitation frequency estimates with 90% confidence intervals (in inchesjl
Average
recurrence Interval (years)
Duration
000
10
25
50
100
200
500
1--
0.372
0.443
0.526
0.590
0.675
0.739
0.805
0.871
0.958
103
5-min
0 339-0.410
0.405-0.488
0 478-0 579
(0.536.0 648)1(0
608.0 742
0 862-0 814
0 716-0.888
0 767-0.968)
0.832-1.07
0.882.1.18
F-Ui
1.
10-min
a
$1
0 54 -0 654
0.848-07 80
0 76B 927
0. 56-1.04
0 989 B
1 8 1830
1 4--1841
1 22-31853
1 25289
1 39-61282
621
15-min
0 677.00 818
0.815.0 981
0 969--1 17
1. a 1931
1 2331650
1 34- 64(1144.178)
3 1493
1 66 2.13
1 74-2.29
1.02
1.23
1.51
1.73
2.02
2.25
2.48
2.71
3.04
3.29
30-min
0.928.1 12
1 13-1 36)
1 (2 01 2 47)
1 (2 20-2 73
(2 39-3.D1)
(2 64.3.39)
1(2.82-3.74
1.27
1.55
1.94
2.25
2.69
3
3.41
3.80
4.36
4.81
60-min
.Oa
1.18-1.40
1 41-1.74
1 77-214
2.04.2 47
2 42-2.96)
2 73-3 35
3 03-3 76
3 354,22
(3 78 4.86
4 12-5,41
1.46
1.T9
2.27
2.67
3.24
3.71
a.22
4.78
6.59
6.27
2-hr
(i,33-1.61
1 63.1.97
2 07-2.50
2.42 2 93
2 91-3.55
3.31 4 08
3 74-4.66)
4 19-5.29
4 82-6.23
5.34-7.05
3-hr
5---19751.
1,5
5 2133
2 2142 69
2.59 3166
3 343.85
3.58-4 454.
66
11
4 58 5688
5 32-6 98
5.94- .96
fi-hr
bB
(1.87 2322)
2.25 2568
2 78-3.33
3.23-3
3 89 4 71
4 44 5 43
5 2-6.24
5 67 7.16
6 59 BT55?
(7.37 9?78
12-hr
2 41 2184)
2 2 3643)
3 80 4 25
4, 4-4 91
4 9i35.e5
5 2 6 65)
8 6--7a51)
8 3.8.45
.00 9.85
8.59A 1.1
3.26
3.95
5.04
5.92
7.1fi
8.19
9.29
10.5
12 2
13.6
24-hr
2.95-3 67
3 58 4.45
4 55.5.68
5,32.6 68
8.40.8.11
26-9 30
8 17-10 6
911-12.0
10.4-14 0
11 5-15.8
3.92
4.T3
5.99
7.01
8.4fi
9.65
10.9
72.3
74.3
16.0
2-day
3.57 4 33
4 32.5.24
5 4-6.84
6.34-7.78
7.58-9.40
8.59-10.8)
9 64.12-3)
107-13 9
12.3-16 3
13,5-18.4
4.19
5.05
6.34
7.38
8.85
10.1
11.3
12.7
74.7
76.3
3-day
3.82 4 63
(4 61-5 59) 11
(5 77-7.03
8.69-8 19
96-9-84
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11.1-14.3
12.6-16 7
13.9.1a 8
4-day
4.46
5.37
6.70
7.76
9.25
10.5
11.7
13.1
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16.6
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4 90-5 94
6 10-7.42
7.04.8 60
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5.19
6.22
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8.73
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6 95-8.52
94-9 78
(9 28-11,5)
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1 7.08
8.54
9.67
11.21
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16.6
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6 50-7.85
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6.84-10.8
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12.2.15 3
13.2-18 8
14.6-18.8
15 7.20 7
7.94
9.39
11.1
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F 17.4
18.9
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17. 0.20 9
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Precipitation frequency (PF) estimates In this table are based on frequency analysis of partial duration series (PDS)
Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval The probability that precipitation frequency estimates (for
a given duration and average recurrence interval) will be greater than the upper bound (or less than the tower bound) is 5% Estimates at upper bounds are
not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values.
Please refer to NOAA Atlas 14 document for more information
Back to Tap-
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Hydrologic Soil Group --Mitchell County, North Carolina
SPRUCE PINE QUARRY -
NORTHERN DRAINAGE
Hydrologic Soil Group
Map unit symbol Map unit name Rating Acres in AOI Percent of AO1
CaF Cashiers sandy loam, A
50 to 95 percent
slopes, stony
CeD Chandler-Micaville A
complex, 15 to 30
percent slopes, stony
CeE - Chandler-Micaville A
complex, 30 to 50
percent slopes, stony
TsD Thunder-Saunook B
complex, 15 to 30
percent slopes, very
bouldery
Totals for Area of Interest
us
Natural Resources
■� Conservation Service
Web Soil Survey
National Cooperative Soil Survey
4.8 20.5%
i
05 2.1 %
2.6
11.2%
15.4
66.3%
23.2
100.0%
1/29/2021
Page 3 of 4
Hydrologic Soil Group —Mitchell County, North Carolina
SPRUCE PINE QUARRY -
NORTHERN DRAINAGE
Description
Hydrologic soil groups are based on estimates of runoff potential. Soils are
assigned to one of four groups according to the rate of water infiltration when the
soils are not protected by vegetation, are thoroughly wet, and receive
precipitation from long -duration storms.
The soils in the United States are assigned to four groups (A, B. C, and D) and
three dual classes (AID, BID, and CID). The groups are defined as follows:
Group A. Soils having a high infiltration rate (low runoff potential) when
thoroughly wet, These consist mainly of deep, well drained to excessively
drained sands or gravelly sands_ These soils have a high rate of water
transmission,
Group B. Soils having a moderate infiltration rate when thoroughly wet. These
consist chiefly of moderately deep or deep, moderately well drained or well
drained soils that have moderately fine texture to moderately coarse texture.
These soils have a moderate rate of water transmission.
Group C. Soils having a slow infiltration rate when thoroughly wet. These consist
chiefly of soils having a layer that impedes the downward movement of water or
soils of moderately fine texture or fine texture. These soils have a slow rate of
water transmission,
Group D. Soils having a very slow infiltration rate (high runoff potential) when
thoroughly wet. These consist chiefly of clays that have a high shrink -swell
potential, soils that have a high water table. soils that have a claypan or clay
layer at or near the surface, and soils that are shallow over nearly impervious
material. These soils have a very slow rate of water transmission.
If a soil is assigned to a dual hydrologic group (AID, BID, or CID), the first letter is
for drained areas and the second is for undrained areas. Only the soils that in
their natural condition are in group D are assigned to dual classes.
Rating Options
Aggregation Method. Dominant Condition
Component Percent Cutoff.- None Specified
Tie -break Rule: Higher
Natural Resources Web Soil Survey 1/29/2021
Conservation Service National Cooperative Soil Survey Page 4 of 4