NCG020747_COMPLETE FILE - HISTORICAL_20090903

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/V
DOC TYPE
2'HISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
❑ ,� b b q b / o 3
YYYYMMDD

Larsen, Cory
From; Smith, George
Sant: Thursday. September 03, 20M 1:09 PM
To: Larsen, Cory
Cr. Tedder. Stews
Subject: RE: Marts ousrries NCGO20747
Cory,
I received the plans and calculations. The plans look reasonable. I see no problems at this time.
Recommend approval of the permit.
George
George Smith
New email: george.smith@ncdenr,gov
NC DENR Winston-Salem Regional Office
Division of Water Quality, Water Quality Section
585 Waughtown Street
Winston-Salem, NC 27107
Voice: [phone]
FAX: [phone]
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Larsen, Cory
Sent: Monday, August 31, 2009 2:45 PM
To: Smith, George
Cc: Tedder, Steve
Subject: RE: Mathis Quarries NCG020747
George,
Slue Ridge Engineering has submitted calcs and drawings in accordance with my request for additional information
am going to mail a copy to you for your review.
I feel they should be able to comply with our limits based on his submittal: I will wait to issue until I hear back from you.
Cory
From: Smith, George
Sent: Friday, July 17, 2009 8:10 AM
To: Larsen, Cory
Cc: Tedder, Steve
Subject: RE: Mathis Quarries NCGO20747
Co ry,
I recommend that you do not issue the permit.
The engineer has not supplied the proper information, treatment design drawings, and calculations with the application
indicating how he will meet the limits. I would suggest you either return the application as being incomplete, or talk with

Page15
This permit, issued July 17, 1979, renewed July 14, 1989, renewed and modified
November 10, 1999, and modified December 7, 2001,February 27, 2002 and January
15, 2004, is hereby modified this 191h day of March, 2009 pursuant to G.S. 74-52.
Of the
James D. Simons, Director
(/ Division of Land Resources
By Authority of the Secretary
Department of Environment and Natural Resources

or meet with the engineer to discuss what documents he needs to submit in order to show that permit limits can be
met.
I do not need to visit the site at this time because there is no design criteria. I would need some plans to determine
where he will install the treatment system, and what the system will look like. Please advise me when the engineer
submits all design criteria that will be able to meet permit limits. Then I can have a copy of the plans and design criteria,
and perform a site inspection.
George
George Smith
New email: [e-mail]
NC DENR Winston-Salem Regional Office
Division of Water Quality, Water Quality Section
585 Waughtown Street
Winston-Salem, NC 27107
Voice: [phone]
FAX: [phone]
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be
disclosed to third parties.
From: Larsen, Cory
Sent: Thursday, July 16, 2009 12:04 PM
To: Smith, George
Subject: Mathis Quarries NCG020747
Hi George,
The applicant sent me a copy of their mining permit today so I am beginning to process their application (see attached).
I have a set of plans here that I've reviewed but can't scan in.
They will have to meet effluent limits for pH and TSS, and it is unclear how they plan on doing that (no talcs or design
basis). Also not. sure where the process water is coming from. Other than that I don't have any other issues with the
application.
Are you familiar with this site and the planned operations? Would you like us to issue the permit or hold off until you
have a chance to make a visit? Thanks.
Cory
From: George Smith[ma iIto: George. Smith@ncma11,net]
Sent: Monday, March 16, 2009 3:19 PM
To: Cory Larsen
Cc: Ken Pickle
Subject: Re: Mining permit?
Cory,
I called Jon Swain, Engineer, and informed him that he must call you when the mine permit is issued. I gave

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Land Resources
Land Quality Section
James D. Simons, PG, PE
Director and State Geologist
March 27, 2009
Mr. Gene Ledford
Burnsville Land Company, LLC
5208 US Highway 19E
Burnsville, North Carolina 28714
Re: L & H Mine
Yancey County
French Broad River Basin
Dear Mr. Ledford:
Beverly Eaves Perdue, Governor
Dee Freeman, Secretary
The application for a mining permit for the above referenced mine site has been found
to meet the requirements of G.S. 74-51 of The Mining Act of 1971. As we have received the
required security to cover this application, I am enclosing the mining permit.
The conditions of Mininq Permit No. 00-31 were based primarily upon information
supplied in the application with conditions added as necessary to insure compliance with The
Mining Act of 1971, This permit expires on March 26, 2019. G.S. 74-65 states that the
issuance of a mining permit does not supersede or otherwise affect or prevent the
enforcement of any zoning regulation or ordinance duly adopted by an incorporated city or
county or by any agency or department of the State of North Carolina.
As a reminder, your permitted acreage at this site is 15.83 acres and the amount of
land you are approved to disturb is 7.45 acres.
1612 Mail Service Center, Raleigh, North Carolina 27699-1612 • Telephone [phone] FAX: [phone]
512 North Salisbury Street,. Raleigh, North Carolina, 27604 - Internet:http://www.dlr,enr.state.nc.uslpagesllandqualitysection.html
An Equal Opportunity 1 Affirmative Action Employer— 50% Recycled 110% Post Consumer Paper

him your phone number.
George
George Smith
NC DENR Winston-Salem Regional Office
Division of Water Quality, Water Quality Section
585 Waughtown Street
Winston-Salem, NC 27107
Voice: [phone]
FAX: [phone]
E-mail correspondence to and from this address may be subject to Lhe North Carolina
Public Records Law and may be disclosed to third parties.
On 3f 16f2009 9:21 AM; Cory Larsen wrote:
George,
The NCG02 application is in my office. Their alining permil has not been approved as of yet but Wllell it is, I
will process the application.
Cory
Ken Pickle wrote:
George,
I see in BIMS that on February 26, 2009, we received an NOl for Mathis Quarries in North Wilkesboro, and
that it was assigned application number NCG020747_ BIMS shows that Cory Larsen is the staff member
processing the application.
Cory - status for George's return call?
Ken
George Smith wrote:
Ken,
A consultant called and said he sent a NCG020000 mining NOI for Bart Mathis in Wilkes county. Did you
receive this NOI? I need to call him back. They applied for the mining permit with LQ.
Hope all is well.
George
George Smith
NC DENR Winston-Salem Regional Office
Division of Water Quality, Water Quality Section
585 Waughtown Street
Winston-Salem, NC 27107
Voice; [phone]
3

Mr. Ledford
March 27, 2009
Page Two
Please review the permit and contact Ms. Judy Wehner, Assistant State Mining
Specialist, at [phone] of any objection or questions concerning the terms of the permit.
Sincerely,
�ia
loy�RkVWI/ilms, PG, CPG, C P M
State Mining Specialist
Land Quality Section
FRW/jw
Enclosures: Permit No. 00-31
Notice of Issuance
CC' Ms. Janet Boyer, PE
Ms. Shannon Deaton -WRC, wlpermit
Mr. Bradley Bennett-DWQ, wlpermit
Mr. William Gerringer-DOL, Mine and Quarry Bureau, w/o enclosures
US Fish and Wildlife Service, w/ permit

BLUE RIDGE ENGINEERING PLLC
529 Main Street Phone: (33G) 838-2500
North W 65boro, NC 28G59 Pax: (33G) 838-41 79
August_ 24, 2009
Mr.. Cory 1..arsen
NCDGNR — Division of Water Quality
Wetlands and Stormwater Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Ref: Request for Additional Information
General Permit COC No. NCG020747
Mathis Quarries, Inc.
Wilkes County, NC
The purpose of this letter report is to provide additional information per your letter request. to Mathis
Quarries, Inc., dated j my 17, 2009.
Process Water Balance
Tlie proposed Mathis Quarries, Inc. facility will produce approximately 200 TPI-I of washed stone.
Maximum annual production is estimated at 400,000 tons based on 40 hours per week and 50 weeks
per year. A closed loop wash water recycle system is proposed to nuninuze the use of fresh water. The
aggregate washing and screening process will require 500 GPM of wash water. Moisture loss through
finished products is estimated at 48 GPM rased on 200 TPI-I at 6% moisture. Evaporation from the
system is estimated at 3 GPM. Make-up water required is 51 GPM at peak production. An existing 0.62
acre firm pond on -site having a normal pool volume of 490,000 gallons is fed by two streams having
an inflow measured at 480 GPM under normal steady state conditions. Make-up water will be
withdrawn from the pond at a rate of 51 GPM at peak production, maximum 8 hours per day. The
receiving stream will experience a flow reduction of 3.59/) per day due to withdrawal of make-up water
when the mill is operating. No historical stream flow data is available. A water supply well shall be
installed on -site if drought conditions arc encountered resulting in reduced stream flow. A water
balance diagram is shown below.

STREAM INFLOW,
480 GPM
691,20Q GPD
FARM POND
490,000 GAL.
K `
OUTFLOW
666,720 GPD
Process Water Treatment
EVAPORATION
10.000 GAL 1 GPM
STORAGE
MAKE-UP TANK STOCKPILE
WATER 500 GPM 200 TONS/HR
51 GPM 6% MOISTURE
AGGREGATE 48 GPM /
WASHER l
EVAPORATION 451 GPM EVAPORATION
449 GPM 1 GPM 1 GPM
SEDIMENT 450 GPM TAILINGS
POND BASIN
WATER BALANCE DIAGRAM
CLOSED LOOP RECYCLE SYSTEM
The proposed wet washing process includes separation, washing and classification of ctushcd
aggregate. Material is washed as It passes Over vibrating screens. Cobbles arc either stockpiled for sale
or crushed and combined with the screened material for further processing. After the material is
further classified, the various products may be washed again. The constituent that poses the greatest
risk to degradation of surface water is total dissolved solids. A closed loop recycle system is proposed
with no discharge to surface waters. Wash water slurry is discharged from the mill to the tailings pond.
Process water progresses to the sediment pond where it is further clarified and then returned to the
plant supply tank for recycling.
A discharge tailings slurry density of 45% solids by weight is assumed. A saturated water content of
37`%) is assumed for tailings and a specific gravity of 2.70 is assumed for tailings solids. A void ratio of
1.0 is assumed for deposited tailings. The tailings basin is 40 feet wide by 120 feet long with depth of 5
feet, a cross -sectional area of 133sf, and a volume of 12,700cf, or 95,000 gallons. The sediment pond is
90 feet wide by 185 feet long with depth of 7 feet, a cross -sectional area of 420sf, and a volume of
74,500cf, or 557,000 gallons. 'Theoretical detention time calculations for each basin arc as follows.
T] = LiA,/Qi = 11/36001*[(120)(133)]/[451/(60*7.48)] = 4.4 hrs
T2 = IIV\2/Q2 =[1/3600]*j.(185)(420)]/[451/(60*7.48)] = 21.6 hrs
Mathis Quarries, Inc. August 24, 2009 Page 2 of 3

�_ ,
f\t start-up, a flow of 451 GPNI would have a calculated detention time of 4.4 hours in the tailings
basin and 21.6 hours in the sediment basin. The freeboard in each basin shall be maintained to be two
feet or greater from the water surface to the lowest point of overflow in the basin berm. Mathis
Quarries, Inc. does not operate any similar facilities and a raw pit wash water effluent sample was not
available for testing to determine the amount of settleable solids present. US Army Corps of Lngincers
Technical Report D-$8-9A studied removal efficiency of suspended solids in effluent from dredged
material confined in settling basins. tl value of 110 mg/I of supernatant suspended solids in wash water
slurry is assumed based on data provided therein. Suspended solids concentration remaining after a
settling period of 4 hours was shown to be 94 mg/l. Suspended solids concentration remaining after a
settling period of 26 hours was shown to be 18 mg/l. However, the closed loop recycle system
proposed has no discharge to surface waters and both settling basins are located outside of the 100-year
flood plain.
Monitoring and Maintenance
Pumps and control systems shall be monitored daily to prevent overflow to surface waters. Diversion
ditching and surface drainage around the mill shall be maintained on a daily basis to dircct wastewater
to the basins and away from surface waters. Equipment shall be maintained daily to prevent
contamination of surface waters from fuel and fluids. At peak production, accumulation of fines within
the settling basins should be anticipated to be on the order of 487 tons per week. This is based on a
flow of 451 GPM, 40 hours per week, with an initial slurry concentration of 108 g/l, or 0.90 #/gal, and
a settling efficiency of 83.6%. Ponds shall be monitored and mucked out when sediment accumulates
to 1 /3 of the volume of the pond. Fines shall be stockpiled, dried and sold.
Plcasc contact us if you have additional questions
For the Firtn,
C. Neil Shepherd, P1_ 'L.S
copy: Bart Mathis
George Smith, NCDI7-NR
Mathis Quarries, Inc. August 24, 2009 Page 3 of 3

�ADivision of Water Quality / Surface Water Protection
�wt�r.rr
NCDENRNational Pollutant Discharge Elimination System
`t n. rr� o•..e,.r.. a
rwnuurr,rt .wn Nfnwr. Fiaalvaa NCG020000
NOTICE OF INTENT
FOR AGENCY USE ONLY
Date Rectived
Year
I Month
Da
Certificate of Coverage
Check M
Amount
Permit AmA and to
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG020000:
STORMWATER DISCHARGES associated with activities classified as:
SIC (Standard Industrial Classification) Code -14XX Mineral Mining Industry (except as specified below)
The following activities are also Included:
• Active or inactive mining operations (including borrow pits —except for NCDOT borrow pits) that discharge
stormwater contaminated with or that has come in contact with, any overburden, raw material, intermediate
products, finished products, byproducts or waste products located on the site of such operations;
• Stormwater from vehicle maintenance activities at mining operations;
• Overflow from facilities that recycle process wastewater; and/or
• Mine dewatering (wastewater)
The following activities are specifically excluded from coverage under this General Permit:
• Stormwater discharges associated with peat mining, coal mining, and metal mining;
Stormwater discharges from mining operations which are intermixed on site with stormwater from asphalt
operations and/or concrete operations;
• Stormwater discharges associated with oil and gas extraction operations; and
• Stormwater discharges associated with tourist gem mines
• NCDOT borrow pits are covered under NGS000150
The following discharges gre covered by NPDES general permit NCG520000 instead of NCG020000:
• Point source discharges of stormwater and wastewater from in -stream sand mining operations (i.e., sand
dredging or dipping operations)
For new mining sites that require an authorization to construct (ATC) wastewater treatment facilities: This
NOI Is also an APPLICATION FOR an ATC for new wastewater treatment facilities. ATC requests must be
submitted at least 80 days prior to construction'.
For existing mining sites that require an Authorization to Operate (ATO) wastewater treatment facilities:
This NOI Is also an APPLICATION FOR an ATO for wastewater treatment facilities In place.
Construction. modification, or installation of any new treatment components at an existing site requires
an ATC. (It the site Is already covered by NCG020000, the ATC request may be submitted without an N01).
Some wastewater treatment facilities used to treat or recycle process wastewater (even if commingled
with stormwater) at mining sites will require an ATC prior to construction per 15A NCAC 214 .0138,
Please see the NCG020000 General Permit for details about, which treatment facilities require an
ATC (summarized in Table 1 at the end of this form). For example, an ATC is required for treatment
of mine dewatering discharge from clay pits and non -closed -loop wastewater recycle systems. The
authorization to construct or continue to operate will be issued at the same time as the CertiFicate of
Coverage (COC) for the NCG02 permit. Design of treatment facilities must comply with requirements
of 15A NCAC 2H .0138 & .0139.
Page 1 of 7
'A5 per 15A NCAC 2H .0106
2Unfess treatment facilitles are designed, constructed, and put into operation by employees Internal to the company who are qualified to
perform such work for their respective companies in accordance with General Statute$, 89C•25 (7). plans and specifications must be signed
and sealed by a P.E.
SWU•217-07 t408 last revised 7114M8

NCG020000 N.01
Construction of wastewater treatment facilities subject to the ATCIATO requirements In the NCGO2 permit
at new Sr existing mining sites requires submission of three (3) sets of plans and specifications signed
and sealed by a Professional Engineer (P.E.) or qualified staft2 along with this application. A copy of the
design calculations should be included. Please see questions 18 & 19.
Table 1: Wastewater Permit ATCIATO Requirements
;Mare Dewatenng.
Yes
No
Quarries
—
Sand Pits
—
Clay Pits
Any Dewatering with Chemical Treatment
—
Process Wastewater
Sand/Gravel
-
Closed -Loop Recycle
—
Other Recycle
—
For questions, please confact the DWO Regional Office for your area. (See page T)
-- -
(Please print or type)
1) Mailing address of ownerloperator (address to which all �ermlt corresgondence will he mailed):
Name TS&1-`f AA- •s -.
Street Address 9113 C-OV : Cam_ 1e_'£ K. 1nz r YE
City /J). •1_ES o o State VC ZIP Code Z s
Telephone No. 33 Q 3 Z4 Fax: 33
E-mail Address /44-/vh'S SdN 01) aril r'a<KES ._NE
2) Location of facility producing discharge:
Facility Name ! 5 0 ootx rZ 116 5,
.-% 1 I _ /
Facility Contact
Street Address
City
County
Telephone No,
Contact E-mail
3) Physical Location Information:
Please provide a narrative description of how to get to the facility (use street n mes, slate road numbers, and
distance and direction from a roadway intersec 'on). 1JS 2t IJO -
tZtbµDFF of 6x, 1216{{- oN U-Me crz
4) Latitude -.17� • 3� Longitude i! • Ol • �% • (degrees, minutes, seconds)
5)
This:
isNPDES Permit NOI Application applies to which of the following1 p
f/ New or Proposed Facility pate operation is to begin V U� � r
© Existing
O New Permit not applicable- ATC request only. NPDES Permit Number
Page 2 of 7
SWU•217-071408 Last revised 7/14108

NCG020000 N.o-I.
6) Standard Industrial Classification:
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial
activity at this facility
SIC Code: ( 44 2 -3
7) Provide a narrative description of the
17-0Q- Ca VSH-F_v 5
S) Discharge Points:
of minerals mined at this facility: G 12y4N 1y-12F
-. tzi P 1?kf->_ LkA,- ,c-r, jvkjjE
Number of discharge points (ditches, pipes, channels, etc. that convey discharges from the property):
Stormwater:_ Mine dewatering; Process Wastewater Overflow: .2
Discharge points should be clearly marked on the submitted site plan. ,[
Please provide short narrative description of discharges: ��r Witt- o3� 3 R«t"W16
3D�S CfWrDri6A S 1->VR I JG IPA*-;tt= I . ` 4-kic LVW4ZS9- L4,,_i_ -FUC -ia b
9) Deceiving waters:-kz6*-tAA6.1't.
What is the name of the body or bodies of water (creek, stream, river, take, etc.) that the faci ity stormw�fl
r
and/or wastewater discharges end up in? 11-T '1=rstt;,JG CrZEE! Z- �
It the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm
sewer system (e.g. City of Raleigh municipal storm sewer).
Receiving water classification (it known): G
Note: Discharge of process wastewater to receiving waters classified as WS-II to WS-V or SA must
be approved by the N.C. Dept. of Environmental Health. If DEN does, not approve, coverage
under NCG020000 cannot be granted. No new discharges of process wastewater are
permitted In receiving waters classified as WS-1 or freshwater ORW.
10) Will mining operations require dewatering near wetlands or Impact dny stream, groundwater, or wetlands?
33"'N o
❑ Yes If yes, please provide information about any 404/401 Certification permits.
Note: Wetlands must be CLEARLY DELINEATED.on the site plan. Mine dewatering activities that have
the potential to drain wetlands or otherwise impact surface water or groundwater MUST develop and
implement an Operation and Monitoring (O&M) Plan that has been approved by the Division.
The O&M Plan should be submitted to the Regional Office and must be approved prior to operalign.
The plan shall include, but is! not limited to: (1) Groundwater monitoring strategies to demonstrate the
effect of pumping and to establish any pumping regime necessary to reduce impacts, and (2) Detailed
plans to maintain surrounding hydrology and respective monitoring to demonstrate compliance.
11) Does this facility already have a valid Mining Permit from the Division of Land Resources (DLR)?
N�No (if not, please indicate the status of the Mining Permit application: ++J FO-OCC55 OF )
❑ Yes Wr FVoVA'L.
If yes, please provide the Mining Permit number and include a copy with your application:
Note: DWO cannot issue a COC for the NCGO20000 General Permit until a Mining Permit is issued or
renewed by the Division of Land Resources (DLR).
Page 3of7
SWU•217.071408 Last revised 711V08

NCG020000 N.O.I.
12) Will this mining operation precede development activities at this site?
U' No
❑ Yes
13) Does this facility have any other NPDES permits?
LR'No
❑ Yes
It yes, list the permit numbers for all current NPDES permits for this facility:
14) Does this facility have any Non -Discharge permits (ex: recycle permits)?
S"No
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
15) Does this facility employ any best management practices for stormwater control?
❑ No
2111yes �p
If yes, please briefly describe:
16) Does this facility have a Stormwater Pollution Prevention Plan?
N(No
❑ Yes
If yes, when was it implemented?
17) Will vehicle maintenance activities occur at this facility?
Ef No ❑ Yes
Wastewater Treatment Facilities:
18) Will mine dewatering discharges occur? (ATC/ATO required for clay pits or dewatering with chem. treatment)
Cv7llNo ❑ Yes
14) Will discharges of overflows from process wastewater treatment systems occur? (ATC or ATO required,
unless sand/gravel mining or closed -loop recycle system)
@ N0 ❑ Yes
If yes, answer the following questions on the wastewater treatment system:
a. Please describe the type of process used to treat and/or recycle the process wastewater. Give
design specifics (i.e. design volume, retention time, surface area, etc.). Existing treatment
facilities should be described in detail, and design criteria or operational data should be provided
(including calculations) to ensure that the facility can comply with requirements of the General
Permit. (Use separate sheet(s))
b. Does this facility employ chemical additives to flocculate suspended' solids? ❑ No ❑ Yes
If yes, please state the name, manufacturer and the quantity of average daily usage of the
chemical additive
Not$: Please see httpJlh2o.enr,state.nc.uslws/PAMS tist.h_im for a list of approved polyacrylamide (DAMS)
products for use in North Carolina.
Page 4 of 7
SWU-217-071408 Last re0sed 7/14/08

NCG020000 NA L
Does this facility overflow only during rainfall events exceeding the 10-yr, 24-hr rainfall event?
❑ No ❑ Yes
20) Are wastewater treatment facilities (Including recycle systems) planned in the 100-year flood plain?
i/NO ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design
requirements for treatment works include protection from the 100•year flood, per 15A NCAC 2H .0213.)
21) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
E"'No ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg, of hazardous waste generated per month) of
hazardous waste?
17"No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
C3Na ❑ Yes
d) If you answered yes to questions b. or c., please provide the following information;
Type(s) of waste:
How is material stored:
Where is material stored:
How many disposal shipments per year:
Name of transport / disposal vendor: _
Vendor address:
22) Certification: North Carolina General Statute 143-215.6 b (1) provides that;
Any pOrson who knowingly makes any false statement, reprasentation, or certification in any application, record, report, plan, or other
document filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false
statement of a material fact in a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly
renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the
[Environmental Management] Commission Implementing this Article shall be guilty of a Class 2 misdemeanor which may Include a fine not to
exceed ten thousand dollars ($10,000).
I hereby request coverage under the referenced General permit. I understand that coverage under this permit
will constitute the permit requirements for the discharges) and is enforceable in the same manner as an
individual permit.
I agree to abide by the following as a part of coverage under this General Permit:
1, I agree to abide by the approved Mining Permit for this mining activity. (A copy of the valid
mining permit must be attached to this request.
2. 1 agree to not discharge any sanitary wastewater from this mining activity except under the
provisions of another NPDES permit specifically issued therefore.
3. 1 agree that bulk storage of petroleum products and other chemicals shall have adequate
protection so as to contain all spills on the site.
4. 1 agree that solid wastes will be disposed of in accordance with N.C. statutes and rules
governing solid waste disposal.
5. 1 agree that maintenance activities for vehicles and heavy equipment will be performed so as to
not result in contamination of the surface or ground waters.
Page 5 of 7
SWU-217-071408 Last revised 7114108

NCG020000 N.O.I.
I agree to abide by the provisions as listed above and recognize that the provisions are to be considered as
enforceable requirements of the General Permit.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: 1BAR-t MA-ITCi 5
Title: Ot; PJ6rL_ * �S & t/Armat6t , =.1G.
/3_� - _ r- 3 0- V 9
(Signature of Applicant) (Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to NCDENR.
Final Checklist
This application will be returned as incomplete unless all of the following Items have been included:
L" Check for $100 made payable to NCDENR
D` ThiS completed application and all supporting documents
Copy of the valid approved mining permit (MP) for the facility or indication of MP application status
LtiY Copy of a county map or other general location map that shows the mining site and nearest major roads
Copy of USGS topographic map showing the mining site n= surrounding areas, or other map that clearly
shows site location in relation to nearby streams, wetlands, and other waters, etc.
Copy of mining site plan with all wetlands clearly delineated
D` If the mine is near wetlands, or may otherwise impact surface water or groundwater, contact the regional
office about an O&M Plan (contact information on the next page). Please refer to this O&M Plan checklist:
✓ Site map with wetlands, ditches, well -placements, borrow areas, overburden storage, stormwater
controls/BMPs, vehicle maintenance areas, settling basins, product process areas, and access roads.
✓ Well information (design, depths, maintenance)
✓ Physical monitoring for the wetlands areas
✓ Settling pond sizing information, if applicable
✓ Level spreader design, if applicable
✓ Details about dewatering method
✓ Description of measures to prevent erosion and flooding
❑ if an ATC or ATO is required, three (3) sets of plans, specifications, and design calculations, signed,
sealed, and dated by a P.E. ATC and ATO requirements in NCG02000 are summarized in Table i on
Page 2 of this NOI (see the permit text for more details). Plans shall show all pertinent design features,
including the location of the outfall(s). If stormwater is flowing off -site, the plan must show that stormwater
will not be mixed with wastewater,
Mall the entire package to:
stormwater and General Permits Unit
Division of Water quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
Page 6 of 7
SWU-217-071408 Last revised 7114/08

NCG020000 N.O.I.
For questions, please contact the DWO Regional Office for your area.
f)WQ Regional Office Contact Information:
Asheville Office ...
Fayetteville Office
Mooresville Office
Raleigh Office .....
Washington Office
Wilmington Office
Winston-Salem ....
Central Office ......
[phone]
[phone]
[phone]
[phone]
.[phone]
[phone]
[phone]
-[phone]
Page 7 of 7
SWU•217-071408 Last revised 7/14/08

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BLUE RIDGE CM FAX scALE,�� r - 5000- NORTH WILKESBORO, NC 28659
ENGP4H3 M &-w

BLUE RIDGE ENGINEERING PLLC
529 Main Street Whore: (33G) 838-2500
North Wlke5boro, NC 28G59 Fax: (33G) 838-4 179
Februan, 20, 2009
NCDENR, DWQ
Stormwater and General Permits Unit
1617 Mail Service Center
Ralcigh, NC 27699-1600
Ref: Mathis Quarries, Inc.
DWQ Application and Plans
Ladies and Gentlemen:
Enclosed you will find the following for the Mathis Quarries, Inc. site located on Cove Creek
Drive in Wilkes County, NC.
- 'Three (3) copies of the NPDES NCO20000 Application
- Three (3) copies of the Mine Plan Sheets
- Application fee check for $100
Please review at your earliest convenience and let me know if any additional information is
required. You can reach me on my mobile phone anytime at 336-927-7666, or in the office at
336-838-2500.
Sincetcic,
.Jon C. Swaim
Biologist, Blue Ridge Engineering

AGA
NCDENR
North Carolina Department of Environment and Natura€ Resources
Division of Land Resources
Land Quality Section
James D. Simons, PG, PE Beverly Eaves Perdue, Governor
Director and State Geologist June 26, 2009 Dee Freeman, Secretary
Mr. Bart Mathis
Mathis Quarries, Inc.
873 Cove Creek Drive
North Wilkesboro, North Carolina 28659
RE: Mathis Quarries Inc. Quarry
Wilkes County
Yadkin River Basin
Dear Mr. Mathis:
The application for a mining permit for the above referenced mine site has been found
to meet the requirements of G.S. 74-51 of The Mining Act of 1971. As we have received the
required security to cover this application, I am enclosing the mining permit.
The conditions of Mining Permit No 97-21 were based primarily upon information
supplied in the application with conditions added as necessary to insure compliance with The
Mining Act of 1971. This permit expires on June 26 2019. G.S. 74-65 states that the
issuance of a mining permit does not supersede or otherwise affect or prevent the
enforcement of any zoning regulation or ordinance duly adopted by an incorporated city or
county or by any agency or department of the State of North Carolina.
As a reminder, your permitted acreage at this site is 35.0 acres and the amount of land
you are approved to disturb is 30.01 acres.
Please review the permit and contact Ms. Judy Wenner, Assistant State Mining
Specialist, at [phone] of any objection or questions concerning the terms of the permit.
Sincerely ,
/oydR. Williams, PG, CPG, CPM
State Mining Specialist
Land Quality Section
FRW/jw
Enclosures: Permit No. 97-21
Notice of Issuance
cc: Mr. Matt Gantt, PE
Ms. Shannon Deaton -WRC, wlpermit
Mr. William Gerringer-DOL, Mine and Quarry Bureau, w/o enclosures
US Fish and Wildlife Service, w/ permit
1612 Mail Service Center, Raleigh. North Carolina 27699-1612 - Telephone [phone] FAX: [phone]
512 North Salisbury Street, Raleigh, North Carolina, 27604 - Internet http,llwww.dlr.enr.state.nc.uslpagesAandqualitysection.MTnl
An Equal Opoortunity 1 Affirmative Action Employer - 50% Recycled r 10% Post Consumer Paper

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DEPARTMENT OF ENVIRONMENT
AND NATURAL RESOURCES
DIVISION OF LAND RESOURCES
LAND QUALITY SECTION
PERMIT
for the operation of a mining activity
In accordance with the provisions of G.S. 74-46 through 68, "The Mining
Act of 1971," Mining Permit Rule 15A NCAC 5 B, and other applicable
#aws, rules and regulations
Permission is hereby granted to -
Mathis Quarries, Inc.
Mathis Quarries, Inc. Quarry
Wilkes County - Permit No. 97-21
for the operation of a
Crushed Stone Quarry
which shall provide that the usefulness, productivity and scenic values of
ali lands and waters affected by this mining operation will receive the
greatest practical degree of protection and restoration.
MINING PERMIT EXPIRATION DATE: June 26, 2019

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Page 2
In accordance with the application for this mining permit, which is hereby approved by the
Department of Environment and Natural Resources hereinafter referred to as the Department,
and in conformity with the approved Reclamation Plan attached to and incorporated as part of
this permit, provisions must be made for the protection of the surrounding environment and for
reclamation of the land and water affected by the permitted mining operation. This permit is
expressly conditioned upon compliance with all the requirements of the approved Reclamation
Plan. However, completed performance of the approved Reclamation Plan is a separable
obligation, secured by the bond or other security on file with the Department, and may survive
the expiration, revocation or suspension of this permit.
This permit is not transferable by the permittee with the following exception: If another
operator succeeds to the interest of the permittee in the permitted mining operation, by virtue
of a sale, lease, assignment or otherwise, the Department may release the permittee from the
duties imposed upon him by the conditions of his permit and by the Mining Act with reference
to the permitted operation, and transfer the permit to the successor operator, provided that
both operators have complied with the requirements of the Mining Act and that the successor
operator agrees to assume the duties of the permittee with reference to reclamation of the
affected land and posts a suitable bond or other security.
In the event that the Department determines that the permittee or permittee's successor is not
complying with the Reclamation Plan or other terms and conditions of this permit, or is failing
to achieve the purposes and requirements of the Mining Act, the Department may give the
operator written notice of its intent to modify, revoke or suspend the permit, or its intent to
modify the Reclamation Plan as incorporated in the permit. The operator shall have right to a
hearing at a designated time and place on any proposed modification, revocation or
suspension by the Department. Alternatively and in addition to the above, the Department
may institute other enforcement procedures authorized by law.
Definitions
Wherever used or referred to in this permit, unless the context clearly indicates otherwise,
terms shall have the same meaning as supplied by the Mining Act, N.C.G.S. 74-49.
Modifications
Expiration Date
This permit shall be effective from the date of its issuance until June 26, 2019.
Conditions
This Permit shall be subject to the provisions of the Mining Act, N.C.G.S. 74-46, et. seq., and
to the following conditions and (imitations:

Page 3
OPERATING CONDITIONS:
Wastewater and Quarry Dewaterin
A. Any wastewater processing or mine dewatering shall be in accordance with the
permitting requirements and rules promulgated by the N.C. Environmental
Management Commission.
B. Any storm water runoff from the affected areas at the site shall be in accordance
with any applicable permit requirements and regulations promulgated by the
Environmental Protection Agency and enforced by the N.C. Environmental
Management Commission. it shall be the permittee's responsibility to contact
the Division of Water Quality to secure any necessary storm water permits or
other approval documents.
2. Air Quality and Dust Control
A. Any mining related process producing air contaminant emissions including
fugitive dust shall be subject to the requirements and rules promulgated by the
N.C. Environmental Management Commission and enforced by the Division of
Air Quality.
S. During processing operation, water trucks or other means that may be necessary
shall be utiiized to prevent dust from leaving the permitted area.
3 Buffer Zones
A. Any mining activity affecting waters of the State, waters of the U. S., or wetlands
shall be in accordance with the requirements and regulations promulgated and
enforced by the N. C. Environmental Management Commission.
B. Sufficient buffer shall be maintained between any affected land and any
adjoining waterway or wetland to prevent sedimentation of that waterway or
wetland from erosion of the affected land and to preserve the integrity of the
natural watercourse or wetland.
C All buffer zones shown on the Mine Maps last revised May 21, 2009 shall be
maintained to protect adjoining property. These buffer zones, with the exception
of the installation of required sediment control measures and approved earthen
berms, shall remain undisturbed.
4. Erosion and Sediment Control
A. The operator shall notify the Winston-Salem Regional Office, Land Quality
Section, at least 48 hours prior to beginning any of the initial land disturbing
activities indicated in the approved application for a mining permit and any
modifications to this permit thereafter.

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Page 4
B. Adequate mechanical barriers including, but not limited to diversions, earthen
dikes, check dams, sediment retarding structures, rip rap pits, or ditches shall be
provided in the initial stages of any land disturbance and maintained to prevent
sediment from discharging onto adjacent surface areas or into any lake, wetland
or natural watercourse in proximity to the affected land.
C. All mining activities, including the installation and maintenance of all erosion and
sedimentation control measures, shall be conducted as indicated on the Mine
Maps last revised May 21, 2009 and the supplemental information received by
the Land Quality Section on February 23, 2009, April 17, 2009 and May 26,
2009,
D The weir length for the tailings pond shall be a minimum of four (4) feet.
E. An erosion and sediment control plan(s) shall be submitted to the Department for
approval prior to any land disturbing activities not indicated on the revised
erosion control plan or mine maps submitted with the approved application for a
mining permit and any approved revisions to it. Such areas include, but are not
limited to, expansion outside of the approved pit area, creek crossings, or
expansions of overburden or waste disposal areas.
Groundwater Protection
Groundwater monitoring wells shall be installed and monitored as deemed appropriate
by the Department.
Graded Slopes and Fills
A. The angle for graded slopes and fills shall be no greater than the angle which
can be retained by vegetative cover or other adequate erosion control measure,
structure, or device. In any event, exposed slopes or any excavated channels,
the erosion of which may cause off -site damage because of siltation, shall be
planted or otherwise provided with groundcover, devices or structures sufficient
to restrain such erosion.
B. Overburden cut slopes along the perimeter of the quarry opening shall be
graded to a minimum 2 horizontal to 1 vertical or flatter and shall be stabilized
within 60 days of completion. Furthermore, a minimum ten (10) foot wide
horizontal safety bench shall be provided at the top of the rock and at the toe of
any overburden slope.

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Page 5
Surface Drainage
The affected land shall be graded so as to prevent collection of pools of water that are,
or likely to become, noxious or foul. Necessary structures such as drainage ditches or
conduits shall be constructed or installed when required to prevent such conditions.
Blasting
The operator shall monitor each blast with a seismograph located at a distance
no farther than the closest off site regularly occupied structure not owned or
leased by the operator. A seismographic record including peak particle velocity, air
overpressure, and vibration frequency levels shall be kept for each blast (except as
provided under Operating Condition Nos. 8B and 8D of this permit). The following
blasting conditions shall be observed by the mine operator to prevent hazard to persons
and adjacent property from surface blasting. -
UP
Ground Vibration With Monitoring:
In all blasting operations, the maximum peak particle velocity of any component
of ground motion shall not exceed Figure 1 (below) at the immediate location of
any regularly occupied building outside of the permitted area such as a dwelling
house, church, school, or public, commercial or institutional building.
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(Source rnadifJ*ed from figure S- f. Bureau of Mines R s 8507)

Page 6
B. Ground Vibration Without Monitorin
In the event of seismograph malfunction or other condition which prevents
monitoring, blasting shall be conducted in accordance with the following
formulas:
W = (D/D,)' Ds = D
W1J2
V = 160(DS)" e
W = Maximum charge weight of explosives per delay period of 8 0 milliseconds
or more (pounds).
D = Distance from the blast site to the nearest inhabited building not owned or
leased by the mine operator (feet).
Ds = Scaled distance factor.
V = Peak Particle Velocity (inches per second).
The peak particle velocity of any component shall not exceed 1.0 inch per
second, for the purposes of this Section.
C. Air blast With Monitoring
Air blast overpressure resulting from surface blasting shall not exceed 129
decibels linear (dBL) as measured at the immediate location of any regularly
occupied building not owned or leased by the operator outside of the permitted
area such as a dwelling house, church, school, or public, commercial or
institutional building, unless an alternate level based on the sensitivity of the
seismograph microphone as specified below is being used:
Lower Frequency Limit of Max Level,
Measurjn_q System, in Hz in dBL
0 1 Hz or lower -flat response
134 peak
2.0 Hz or lower -flat response
133 peak
6,0 Hz or Power -flat response
129 peak
D. Air blast Without Mcnitorin
In the event of seismograph malfunction or other condition which prevents
monitoring, blasting shall be conducted in accordance with the following
formulas:
U = 82 (D/Wo.33)-1 2

Page i
To convert U (psi) to P (dBL)-
P = 20 x log (U/2.9x10-9)
Confined Air blast/Overpressure (dBL)
for quarry situation:
A=P-35
U = Unconfined air overpressure (pounds per square inch).
W = Maximum charge weight of explosives per delay period of 8.0 milliseconds
or more (pounds).
D = Distance from the blast site to the nearest inhabited building not owned or
leased by the mine operator (feet).
P = Unconfined air overpressure (decibels).
A = Air blast or air overpressure for typical quarry situations (decibels).
The air blast/overpressure shall not exceed 129 decibels, for the purposes of this
Section.
E. Record Kee in
The operator shall maintain records on each individual blast describing: the total
number of holes; pattern of holes and delay of intervals; depth and size of holes;
type and total pounds of explosives; maximum pounds per delay interval; amount
of stemming and burden for each hole; blast location; distance from blast to
closest offsite regularly occupied structure; and weather conditions at the time of
the blast. Records shall be maintained at the permittee's mine office and copies
shall be provided to the Department upon request.
F. Excessive Ground Vibration/Air blast Re ortin
If ground vibration or Air blast limits are exceeded, the operator will immediately
report the event with causes and corrective actions to the Department. Use of
explosives at the blast site that produced the excessive reading shall cease until
corrective actions approved by the Department are taken. However, blasting
may occur in other approved areas within the permitted boundary. Authorization
to blast at the blast site may be granted at the time of the verbal reporting of the
high ground vibration or high air blast reading if the circumstances justify verbal
approval. Failure to report will constitute a permit violation.
G. FI rock Prevention:
The operator shall take all reasonable precautions to ensure that flyrock is not
thrown beyond areas where the access is temporarily or permanently guarded by
the operator. Failure to take corrective measures to prevent flyrock and
repeated instances of flyrock shall be considered a violation of the Mining Permit.

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Page 8
H. Fyyrock Reportinq;
Should flyrock occur beyond the permitted and guarded areas, the operator shall
immediately report the incident to the Department. Further use of explosives on
the mine site shall be suspended until the following actions have been taken:
A thorough investigation as to the cause(s) of the incident shall be
conducted.
2. A report detailing the investigation shall be provided to the Department
within 10 days of the incident. The report shall, at a minimum, document
the cause(s) of the incident along with technical and management actions
that will be taken to prevent further incidents. The report shall meet with
the approval of the Department before blasting may resume at the mine
site.
Studies
The operator shall provide to the Department a copy of the findings of any
seismic studies conducted at the mine site in response to an exceedence of a
level allowed by these blasting conditions. The operator shall make every
reasonable effort to incorporate the studies' recommendations into the
production blasting program.
Notice:
The operator shall, when requested by the Department, give 24-hour advance
notice to the Land Quality Section Regional Office prior to any blast during a
period for which notice is requested.
9. High Wall Barrier
A physical barrier consisting of large boulders placed end -to -end or fencing shall be
maintained at all times along the perimeter of any highwall to prevent inadvertent public
access. In addition. a minimum 10 foot wide horizontal safety bench shall be provided
at the junction between the top of rock and the toe of any overburden cut slope.
10. Visual Screening
A. Existing vegetation shall be maintained between the mine and public
thoroughfares to screen the operation from the public. Additional screening
methods, such as constructing earthen berms, shall be employed as deemed
appropriate by the Department.
B. In addition to grasses, long leaf and/or Virginia pines or other acceptable
evergreen species shall be planted as deemed appropriate by the Department to
improve visual and noise buffering.

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Page 9
11. Plan Modification
The operator shall notify the Department in writing of the desire to delete, modify or
otherwise change any part of the mining, reclamation, or erosion/sediment control plan
contained in the approved application for a mining permit and any approved revisions to
it. Approval to implement such changes must be obtained from the Department prior to
on -site implementation of the revisions.
12. Refuse Disposal
A. No on -site disposal of refuse or other solid waste that is generated outside of the
mining permit area shall be allowed within the boundaries of the mining permit
area unless authorization to conduct said disposal has first been obtained from
both the Division of Waste Management and the Land Quality Section,
Department of Environment and Natural Resources. The method of disposal
shall be consistent with the approved reclamation plan.
B Mining refuse as defined by G S. 74-49 (14) of The Mining Act of 1971
generated on -site and directly associated with the mining activity may be
disposed of in a designated refuse area. Ail other waste products must be
disposed of in a disposal facility approved by the Division of Waste
Management. No petroleum products, acids, solvents or their storage containers
or any other material that may be considered hazardous shall be disposed of
within the permitted area.
C For the purposes of this permit, the Division of Land Resources considers the
following materials to be "mining refuse" (in addition to those specifically listed
under G.S. 74-49 (14) of the N.C. Mining Act of 1971):
1. on -site generated land clearing debris
2. conveyor belts
3. wire cables
4. v-belts
5, steel reinforced air hoses
5. drill steel
D. If mining refuse is to be permanently disposed within the mining permit
boundary, the following information must be provided to and approved by the
Division of Land Resources prior to commencement of such disposal:
1. the approximate boundaries and size of the refuse disposal area,
2. a list of refuse items to be disposed;
3. verification that a minimum of 4 feet of cover will be provided over the
refuse;
4. verification that the refuse will be disposed at least 4 feet above the
seasonally high water table; and

Page 10
5. verification that a permanent vegetative groundcover will be established
13 Annual Reclamation Report
An Annual Reclamation Report shall be submitted on a form supplied by the
Department by February 1 of each year until reclamation is completed and approved
14. Bonding
The security, which was posted pursuant to N.C.G.S. 74-54 in the form of a
$150,000.00 surety bond (of which $138,100.00 is required for this site), is sufficient to
cover the operation as indicated in the approved application. This security must remain
in force for this permit to be valid. The total affected land shall not exceed the bonded
acreage.
15. Archaeological Resources
Authorized representatives of the Division of Archives and History shall be granted
access to the site to determine the presence of significant archaeological resources

Page 11
APPROVED RECLAMATION PLAN
The Mining Permit incorporates this Reclamation Plan, the performance of which is a condition
on the continuing validity of that Mining Permit. Additionally, the Reclamation Plan is a
separable obligation of the permittee, which continues beyond the terms of the Mining Permit.
The approved plan provides:
Minimum Standards As Provided By G.S. 74-53
The final slopes in all excavations in soil, sand, gravel and other unconsolidated
materials shall be at such an angle as to minimize the possibility of slides and be
consistent with the future use of the land.
2. Provisions for safety to persons and to adjoining property must be provided in all
excavations in rack.
3. All overburden and spoil shall be left in a configuration which is in accordance with
accepted conservation practices and which is suitable for the proposed subsequent use
of the land.
4. No small pools of water shall be allowed to collect or remain on the mined area that are,
or are likely to become noxious, odious or foul.
5 The revegetation plan shall conform to accepted and recommended agronomic and
reforestation practices as established by the North Carolina Agricultural Experiment
Station and the North Carolina Forest Service.
Permittee shall conduct reclamation activities pursuant to the Reclamation Plan herein
incorporated. These activities shall be conducted according to the time schedule
included in the plan, which shall to the extent feasible provide reclamation simultaneous
with mining operations and in any event, provide reclamation at the earliest practicable
time after completion or termination of mining on any segment of the permit area and
shall be completed within two years after completion or termination of mining,
RECLAMATION CONDITIONS:
Provided further, and subject to the Reclamation Schedule, the planned reclamation
shall be to allow the quarry excavation to fill with water, provide a permanent barricade
(fence) along the top of any high wall, and grade and revegetate any areas in
unconsolidated material.
2. The specifications for surface gradient restoration to a surface suitable for the planned
future use are as follows:

Page 12
A. All areas of unconsolidated material such as overburden or waste piles shall be
graded to a 2 horizontal to 1 vertical or flatter slope and terraced as necessary to
insure slope stability
B Any settling ponds and sediment control basins shall be backfilled, graded, and
stabilized or cleaned out and made into acceptable lake areas.
C. The processing, stockpile, and other disturbed areas neighboring the mine
excavation shall be leveled and smoothed.
D Compacted surfaces shall be disced, subsoiled or otherwise prepared before
revegetation.
E. No contaminants shall be permanently disposed of at the mine site. On -site
disposal of waste shall be in accordance with Operating Conditions Nos. 12.A.
through D
F The affected land shall be graded to prevent the collection of noxious or foul
water.
3. Reve etaticn Plan:
Disturbed areas shall be permanently revegetated according to the Revegetation Plan
approved by Mr. Jon C. Swaim of Blue Ridge Engineering PLLC on January 30, 2009
or the following -
Permanent Seedinq Specifications
Dates Species
February 15- April 1 Korean Lespedeza
Fescue
Redtop
Winter rye (grain)
April 1- July 31 Common Bermuda
August 1- October 25 Lespedeza (unscarified)
German millet
October 25- February 15 Rye (grain- temporary)
Soil Amendments
Rate. Lbs/Acre
10
40
1
15
50
30
40
120
Lime. 2000 Ibs/acre or follow recommendations from a soil test.

Page 13
Fertilizer: 1000 Ibs/acre 8-8-8 or 10-10-10, or follow recommendations from a soil
test.
Mulch All seeded areas small be mulched using small grain straw at a rate of
2000 Ibs/acre and anchored appropriately.
Whenever possible, disturbed areas should be vegetated with native warm season'
grasses such as switch grass, Indian grass, bluestem and gamma grass.
In addition, the permittee shall consult with a professional wildlife biologist with the N.C.
Wildlife Resources Commission to enhance post -project wildlife habitat at the site.
4. Reclamation Plan:
Reclamation shall be conducted simultaneously with mining to the extent feasible. In
any event, reclamation shall be initiated as soon as feasible after completion or
termination of mining of any mine segment under permit. Final reclamation, including
revegetation, shall be completed within two years of completion or termination of
mining.
Permit isjued this 26=h day of June, 2009.
James D. Simons, Director
Division of Land Resources
By Authority of the Secretary
Of the Department of Environment and Natural Resources

0

NOTICE OF ISSUANCE OF
MINING PERMIT
You have previously expressed an interest and/or are listed as an adjoining landowner
in the application for a mining permit filed by Mathis Quarries Inc. to conduct mining activities
off SR 2440 (Cove Creek Drive) in Wilkes County. The mining permit (no. 97-21) was issued
on June 26, 2009.
North Carolina law allows persons aggrieved by the issuance of a mining permit to
contest the decision by filing a petition for a contested case in the Office of Administrative
Hearings pursuant to N.C.G.S. 150B-23 of the Administrative Procedure Act (APA).
If you believe that you are an aggrieved party within the meaning of the APA, a petition
for a contested case must be filed in the Office of Administrative Hearings within sixty (60)
days of the mailing of this notice to you.
If you file a contested case petition, it must be in writing and in the form prescribed by
N.C. General Statutes 150E-23. File the original petition and one copy with the Office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714.
Any questions about filing a petition may be directed to the Clerk of the Office of
Administrative Hearings by telephoning [phone].
You must serve the Department of Environment and Natural Resources by mailing a
copy of the petition to Ms. Mary Penny Thompson, Registered Agent and General Counsel,
Department of Environment and Natural Resources, 1601 Mail Service Center, Raleigh, NC
27699-1601.
AAW Z'
fries D. Simons
Director
Division of Land Resources
North Carolina Department of
Environment and Natural
Resources
This notice was mailed on 6 U
Brenda Harris
Mining Program Secretary

f Ald
, Elffi.il WIT

EROSION CONTROL
DITCH CALCULATIONS
Project: Mathis Quarries
Mining Permit, Erosion Control Plan
Cove Creek Drive, North Wilkesboro, NC
Prepared for: Mathis Quarries, Inc.
873 Cove Creek Drive
North Wilkesboro, NC 28659
Date: April 15, 2009
Prepared by: F"
BLUE RIDGE
ENGINEERING PLLC
529 Main Street
North Wilkesboro, NC 28659
[phone]
[phone] fax

8062 Mathis Quarries, Inc.
t3edimant�8asin�#1 Ptiase':1 i'.:,.i.;,.=:
Disturbed Area (ac.) Ad 10.99
Off -site Area (ac.) Ao 13.98
Total Drainage Area (ac.) AT 24.97
Runoff Coefficient (disturbed) 0.35 44%v
Runoff Coefficient undisturbed 0.15 56%
Average Runoff Coefficient c 0.24 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (fvft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1604
Height (ft)
430
Slope (fvft)
0.27
Average velocity (ftls) Fig.3-1
5,50
Travel Time min
4.9
Combined Time of Concentration min
41.2
10-yr Rainfall Intensity, 5-min (inthr)
6.71
10-yr Rainfall Intensity, 10-min (in/hr)
5.36
10-yr Rainfall Intensity, 15-min (inthr)
4.52
10-yr Rainfall Intensity, 30-min (inlhr)
3.28
10 Rainfall Intensity,60-min inthr
2.13
USE
2.85
10-yr Runoff Flow (cfs) 16.94
Q=GA
Dltctt:#1.Flo*+ Anpl . 16"•to t3aelili#1s Phase]1
Ll0yr Runoff Flow cfs 16.94
Tra ezoidal Ditch Capacity
Roughness coefficient, n (wl straw net)
°�'5 0:033..
Slope (fvft)
's27;0%
Ditch depth (ft)
;.;; 2W
Ditch bottom width (ft)
' ia300'
Ditch side slopes (x:1)
= :�] 3
Cross sectional area (sf)
18.00
Ditch flow capacity (cfs)
462.36
,Capacity > Runoff
" °_1!E$
Actual Flow Deoth at 010
Trapezoidal Ditch Ca aG
Roughness coeffcnt, n (wl straw net)
0.033
Slope (tvft)
27.0%
Ditch depth (ft) Actual
03t�0?
Ditch bottom width (ft)
3.00
Ditch side slopes (x:1)
3
Cross sectional area (sf)
1.63
Ditch flow actual cfs
16.94
PRO-RATA RAINFALL
Tc Q
5 6:7a'
7,.5 6.04
10 ,. 5:36
.-,12t5 4.94
" 2g18: 3,30
30
<' 741:2 2.85
.13
Blue Ridge EnglamOng PLLC
529 Main Street
North MMsbao, NC 20659
(336) M2500

8062 Mathis Quarries, Inc.
Disturbed Area (ac.) Ad 10.99
Off -site Area (ac.) Ao 13.98
Total Drainage Area (ac.) AT 24.97
Runoff Coefficient (disturbed) 0.35 44%
Runoff Coefficient undisturbed 0.15 56%
Average Runoff Coefficient c 0.24 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (it)
300
Height (ft)
50
Slope (tuft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1604
Haight (ft)
430
Slope (ft/ft)
0.27
Average velocity (ftls) Rg.3-1
5.50
Travel Time min
4.9
Combined Time of Concentration min
41.2
25-yr Rainfall Intensity, 5-min (inthr) 7.64
25-yr Rainfall Intensity, 10-min (inlhr) 6.09
25-yr Rainfall Intensity, 15-min (inlhr) 5.14
25-yr Rainfall Intensity, 30-min (inlhr) 3.81
25-yr Rainfall Intensity,60-min inlhr 2.54
USE xts�'3:34
25-yr Runoff Flow (afs) 19.85
Q=ciA
125-yr Runoff Flow cfs 19.85
straw
lope (ftlft)
itch depth (ft)
itch bottom width (fl)
itch side slopes (x:1)
ross sectional area (sf)
itch flow capacity (cfs)
apacity > Runoff
18.00
Actual Flow Deoth at Q25
Trapezoidal Ditch Capacity
Roughness coeffcnl, n (w/ straw net)
0.033
Slope (fait)
27.0%
Ditch depth (ft) Actual
Ditch bottom width (ft)
3.00
Ditch side slopes (x:i)
3
Cross sectional area (so
1.82
Ditch flow actual cfs
19.85
PRO-RATA RAINFALL
Tc Q
7°5.. 6.87
10 ,"6.09
_ 12. 5.62
" :298 3.83
30
.2 3.34
Blue Ridge Engineering PLLC
529 Main Scree!
North Wilkesboro, NC 2B659
[phone]

SM2 Malhis Quarries, Inc.
Disturbed Area (ac.) Ad 18.00
Off -site Area (ac.) Ao 3.91
Total Drainage Area (ac.) AT 21.91
Runoff Coefficient (disturbed) 0.35 82%
Runoff Coefficient undisturbed 0.15 18%
Average Runoff Coefficient c 0.31 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (flift)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (ft/ft)
0.11
Average velocity (Ws) Fig.3-1
5.50
Travel Time min
5.3
Combined Time of Concentration min
41.6
10-yr Rainfall Intensity, 5-min (in/hr) 6.71
10-yr Rainfall Intensity, 10•min (In/hr) 5.36
10-yr Rainfall Intensity, 15-min (in/hr) 4.52
10-yr Rainfall Intensity, 30-min (In1hr) 3.28
1 0-yr Rainfall Intensity, 60-min Inthr 2.13
USE 2.84
10-yr Runoff Flow (cfs) 19.56
t3=ciA
FRO-RATA RAINFALL
Tc 0
5
.7. 6.04
4.94
29'8` 3.30
,' A 4:f0' 2.84
Blue Ridge Engineering PLLC
529 Main Sued
Noah Wilkesboro. NC 28659
(mo) $38.2500

8062 Mathis Quarries, Inc.
Sod Wisfit' Basln:ff Plisse l 'f _ .....
Disturbed Area (ac.) Ad 18.00
Off -site Area (ac.) Aa 3.91
Total Drainage Area (ac.) AT 21.91
Runoff Coefficient (disturbed) 0.35 82%
Runoff Coefficient undisturbed 0.15 18%
Average Runoff Coefficient c 0.31 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
60
Slope (fuft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36A
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (ft/ft)
0,11
Average velocity (ftls) Fig.3-1
5.50
Travel Time min
5.3
Combined Time of Concentration min
41.6
25-yr Rainfall Intensity, 5-min (inlhr)
7,64
25-yr Rainfall Intensity, 10-min (inthr)
6.09
25-yr Rainfall Intensity, 15-min (inlhr)
5.14
25-yr Rainfall Intensity, 30-min (inthr)
3.81
25 Rainfall Intensity,60-min infhr
2.54
USE
25-yr Runoff Flow (cfs) 22.86
Q=ciA
PRO-RATA RAINFALL
Tc Q
6.87
1ora.4��s:'os
12!5 5.62
1st,14
48 3.83
30.-
3.32
60 ' ` 2:54.
Blue Ridge Engineering PLLC
529 Main Street
North Wilkesboro, NC 28659
(3366) 838.2500

8062 Mathis Quarries, Inc.
10- r Runoff Flow cfs 19.56
Ca
Roughness coefficient, n (w/ straw net)
dwi0:033.
Slope (fttft)
"!27 0%
Ditch depth (ft)
Ditch -bottom width (ft)
y,M fi300'
Ditch side slopes (x:1)
Cross sectional area (sf)
18.00
Ditch flow capacity (cfs)
462.36
Capacity > Runoff
:?-YES
Di CK42 Flow;AYiial "sls to�6i3slri #2 IP(tis`s's 1 :
10- r Runoff Flow cfs 19.56
Trapezoidal Ditch Ca aci
Roughness coefficient, n (w/ straw net)
sp-" YQ' 033
Slope (ftlft)a"9'0,%'
Ditch depth (ft)
4 r 2g00
Ditch bottom width (ft)''200
Ditch side slopes (x:1)
_„ 3
Cross sectional area (sf)
16.00
Ditch flow capacity (cfs)
229.24
Capacity > Runoff
""} 4i Yt§
10- r Runoff Flow cfs 19.56
Trapezoidal Ditch Capacity
Roughness coefficient, n (w/ straw net)
'=ti�rQ:033
Slope (ft/ft)
Ditch depth (ft)
Ditch bottom width (ft)
Ditch side slopes (x:1)
Cross sectional area (sf)
16.00
Ditch flow capacity (cfs)
237.99
Capacity > Runoff
Actual t-iow ue in at ui u r
7raoezoidal Ditch Capacity
Roughness coeffcnt, n (w/ straw net)
0.033
Slope (ft/ft)
27.0%
Ditch depth (ft) Actual
Ditch bottom width (ft)
3.00
Ditch side slopes (x:1)
3
Cross sectional area (sf)
1.80
Ditch flow actual cfs
19.56
Actual Flow DeQth at Q10vr
Trapezoidal Ditch Capacity
Roughness coeffcnt, n (w/ straw net)
0.033
Slope (ft/ft)
9.0%
Ditch depth (ft) Actual
Ditch bottom width (ft)
2.00
Ditch side slopes (0)
3
Cross sectional area (sf)
2.58
Ditch flow actual cfs
19.56
at ul
Roughness coeffcnt, n (wl straw net)
0.033
Slope (ft/ft)
9.7%
Ditch depth (ft) Actual
"40640
Ditch bottom width (ft)
2.00
Ditch side slopes (x:1)
3
Cross sectional area (sf)
2.51
Ditch flow actual cfs
19.56
Blue Ridge Engineering PLLC
529 Main Street
Norlh Wiikesbm, NC 28659
[phone]

8062 Mathis Quarries, Inc.
25- r Runoff Flow cfs 22.86
Ditch
Roughness coefficient, n (wl straw net)
"':-: 0 033
Slope (ft/ft)
:F 270
Ditch depth (ft)
''r'92 00'
Ditch bottom width (ft)'00,
Ditch side slopes (0)xr3x
Cross sectional area (so
18.00
Ditch flow capacity (cfs)
462.36
Capacity > Runoff'YES
..
125-yr Runoff Flow cfs 22,86
Trapezoidal Ditch Ca aci
Roughness coefficient, n (wl straw net)
Slope (ft/ft)
Ditch depth (ft)
2:0;
Ditch bottom width (ft)
k s <2:00':
Ditch side slopes (x:1)
�-0
Cross sectional area (so
16.00
Ditch flow capacity (cfs)
229.24
Ca aci > RunofffYES
25- r Runoff Flow cfs 22.86
Trapezoidal Ditch Capacity
Roughness coefficient, n w/ straw net
"'" 0:033',
Slope (ft/ft)
Ditch depth (ft)
Ditch bottom width (ft)
Ditch side slopes (0)
Cross sectional area (sf)
16.00
Ditch flow capacity (cfs)
237.99
Ca aci > Runoff
at
Trapezoidal Ditch Ca aci
Roughness coeffcnt, n (w/ straw net)
0.033
Slope (ft/ft)
27.0%
Ditch depth (ft) Actual
0 4-56
Ditch bottom width (ft)
3.00
Ditch side slopes (xA)
3
Cross sectional area (so
2.01
Ditch flow actual cfs
22.86
Actual! �-iow ueatn at uzoyr
Trapezoidal Ditch Capacity
Roughness coeffcnt, n (w/ straw net)
0.033
Slope (ft/ft)
9.0%
Ditch depth (ft) Actual
'6703:
Ditch bottom width (ft)
2.00
Ditch side slopes (x:1)
3
Cross sectional area (so
2.89
Ditch flow actual (cfs)
22.86
Actuai Flow ueotn at uzoyr
Trapezoidal Ditch Capacity
Roughness coeffcnt, n (wl straw net)
0,033
Slope (ft/ft)
9.7%'.
Ditch depth (ft) Actual
, '0690'
Ditch bottom width (ft)
2.00
Ditch side slopes (x:1)
3
Cross sectional area (sf)
2.81
Ditch flow actual (cfs)
22.86
Blue Ridge Engineering PLLC
529 Main Street
Noah Wilkesboro, NC 28659
i336)838-2500

8062 Mathis Quarries, Inc.
3edimdht'Baein' 2 Phase 2 x_': ;
Disturbed Area (ac.) Ad 30.86
Off -site Area (ac.) k 17,89
Total Drainage Area (ac.) AT 48.75
Runoff Coefficient (disturbed) 0.35 63%
Runoff Coefficient undisturbed 0.15 37%
Average Runoff Coefficient C 0.28 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (A)
50
Slope (ft/ft)
0.17
Surface roughness (n)
0.00
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved-Shalluw Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (ft/ft)
0.11
Average velocity (fUs) Fig,3-1
5.50
Travel Time(min)__5.3
Combined Time of Concentration min
41.6
10-yr Rainfall Intensity, 5-min (Inthr)
6.71
10-yr Rainfall Intensity, 1D-min (Inthr)
5.36
10-yr Rainfall Intensity, 15-min (Inmr)
4.52
10-yr Rainfall Intensity, 30-min (Inthr)
3.28
10 r Rainfall Intensity, 60-min inlhr
2.13
USE
2.84
10-yr Runoff Flow (cfs) 38.30
Q=dA
Ditch Flow; Anal ' Ill to;Baslri;#2 Phase'2 "- ? ';.:
10 Runoff Flow cfs 38.30
Trapezoidal Ditch Capacity
(toughness coefficient, n (wl straw net)
;4:T01033
Slope (tuft)
9.75'0
Ditch ft depth
P ()
' `00)
) .1
Ditch bottom width (ft)
r; `2 Qp
Ditch side slopes (x:1)
Cross sectional area (sf)
16.00
Ditch flow capacity (cfs)
237,99
[Capacity > Runoff
YES
PRO-RATA RAINFALL
Tc Q
10
125'
4.94
.,
28`
2.84
60.
at U1
Trapezoidal Ditch Ca aci
Roughness coeffcnt, n (wl straw net)
0.033
Stops (fvft)
9.7%
Ditch depth (ft) Actual
Ditch bottom width (9)
2.00
Ditch side slopes (x:l)
3
Cross sectional area (sf)
4.11
Ditch flow actual(cfs)
38.30
Blue Ridge Engineering PLLC
529 Main Street
North Wilkesboro, NC 28659
(336)838-25DO

8062 Mathis Quarries, Inc.
Sodirrteht pall"n'tY2: phase 2 : -`.--���
Disturbed Area (ac,) Ad 30.86
Off -site Area (ac.) A, 17.89
Total Drainage Area (ac.) AT 48.75
Runoff Coefficient (disturbed) 0.35 63°%
Runoff Coefficient undisturbed 0.15 37%
Average Runoff Coefficient c 0.28 100°%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (ftlft)
0,17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (fiift)
0.11
Average velocity (ftls) Fig.3-1
5.50
Travel Time min
5.3
Combined Time of Concentration min
41.6
25-yr Rainfall Intensity, 5-min (in/hr)
7.64
25-yr Rainfall Intensity, 10-min (in/hr)
6,09
25-yr Rainfall Intensity, 15-min (in/hr)
5.14
25-yr Rainfall Intensity, 30-min (Inlhr)
3.81
25 Rainfall lntensi Wrinin inRu
2.54
USE
3.32
25-yr Runoff Flow (cfs) 44.77
C=ciA
Dttch`Flow Ana sls;to:Basih;92 Phaae 2 ' %�FOI
25 Runoff Flow cfs 44.77
ITrapezoidal Ditch Capacity
Roughness coefficient, n (wl straw net) 'Q033;
Slope (ft/ft)
Ditch depth (f1)
Ditch bottom width (ft)
Ditch side slopes (x:1)
Cross sectional area (sf)
Ditch flow capacity (cfs)
Capacity > Runoff
16.00
237.99
Actual Flow
Roughness coeffcnt, n (wl straw net) 0.033
Slope (Wft)
9.7%
Ditch depth (ft) Actual
Ditch bottom width (ft)
2.00
Ditch side slopes (0)
3
Cross sectional area (sf)
4.61
Ditch flow actual cfs
44.77
PRO-RATA RAINFALL
Tc Q
5,, .:.; 7.64
r.5:; 6.87
1.12.5 5.62
15; ::5A4
19:8 3.83
30 381
4.1.ti 3.32
60 2.54
Him Ridge Engineering PLLC
529 Main Street
North Wilkesboro, NC 28659
(336) 838-M

8062 Maihls Quarries, Inc.
Sediment Basin 03 Phase 11
Disturbed Area (ac.)
Ad
3.17
Off -site Area (ac.)
Ao
0.00
Totai Drainage Area (ac.)
AT
3.17
Runoff Coefficient (disturbed)
0.35
100%
Runoff Coefficient undisturbed
0.15
0%
Avera a Runoff Coefficient C
0.35 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
i
Height (ft)
i
Slope (fttft)
1.00
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.50
Travel Time min
0.2
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
504
Height (0)
25
Slope (ft/ft)
0.05
Average velocity fts) Fig.3-1
5.50
Travel Time min
1.5
Combined Time of Concentration min
1.7
10-yr Rainfall intensity. 5-min (h/hr) 6.71
10-yr Rainfall Intensity, 10-min (irtlftr) 5.36
10-yr Rainfall Intensity, 15-min (inlhr) 4.52
10-yr Rainfall Intensity, 30-min (inthr) 3.28
10-yr Rainfalllntensi 80-min Inthr 2.13
USE 6.71
10-yr Runoff Flow (cis) 7.44
Q=c1A
piich:pllFldw;Atila trto k�ttsln�Ali; Phttttel `�`�'+
I 0-yr Runoff flow cis 7.44
Trapezoidal Ditch Ca act
Roughness coefficient, n (w1 straw net)
-p8.0331
Slope (f M)
Ditch depth (ft}
• 1:OQ'
Ditch bottom width ft
.
'�"" '...001
Ditch side slopes (x:1)
Cross sectional area (so
4.00
Ditch flow capacity (cfs)
20.14
lCapacity > Runoff
Qftcti`if2!Floiiir°Anal sle;tn'Baafn 0.3! Rhbse=l �: ��
10- Runoff FlowIds) 7.44
Trapezoidal Ditch Capacity
Roughness coefficient, n (w/ straw net)
.-;"0.033
Slope (ftt)
Ditch depth (fl)
t.1:00
Ditch bottom width (ft)
j;1':Oq
Ditch side slopes (x:1 )
t-. a. - 3'
Cross sectional area (so
4.00
Ditch flow capacity (ds)
27.44
Ca aci > Runoff
"YES
PRO-RATA RANFALL
Tc Q
71,51 6.04
�r12:6, 4.94
29.8 3.30
30 3.28
41.2 2.85
60' , 213
Actual Flow Depth at Q1
Trapezoidal Ditch Caeacity
Roughness coeffont, n (wl straw net'
0.033
Slope (M)
2.8%
Ditch depth (ft) Actual „`=,0.847<°,
Ditch bottom width (ft)
1.00
Ditch side slopes (x:t)
3
Cross sectional area (so
1.90
Ditch flow actual cis
7,44
Actual Flow Depth at Q1
Trapezoidal Ditch Ca ci
Roughness coeffrnt, n (wl straw net:
0.033
Slope (")
5.2%
Ditch depth (ft) Actual
0.563'
Ditch bottom width (ft)
1.Oo
Ditch side slopes (x:1)
3
Cross sectional area (sf)
1.51
Ditch flow actual cis)
7,44
Me Ridge Lnginemirq PLLC
529 Main Sheet
North Wiftsbm, NC 28659
(33P ttJB-2500

8W2 Mathis Ouanies, Inc.
Sodlmont Basin #3 Phase 1
Disturbed Area (ac.)
An
3.17
OH -site Area (ac.)
Ao
0,00
Total Drainage Area (ac,)
AT
3.17
Runoff Coefficient (disturbed)
0.35
100%
Runoff Coefficient undisturbed
0.15
0%
Avers a Runoff Coefficient c
0.35
100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
1
Height (ft)
1
Slope (fUn)
1.00
Surface roughness (n)
0.80
2-yr. 24-hr rainfall (In)
3.60
Travel Time (mIn)
0.2
Unpaved -Shallow Concentrated Flow
Length of Travel (it)
504
Height (H)
25
Slope (ftfft)
0.05
Average vatocity (fU3) Fig.3-1
5.50
Travel Time m1n
1.5
Combined Time of Concentration min
1.7
25-yr Rainfall Intensity, 5-min (IrVhr) 7.64
25-yr Rainfall Intensity, 10-min (Inthr)
6.09
25-yr Rainfall Intensity, 15-min (IrVhr)
5.14
25-yr Rainfall intensity, 30-min (Inlhr)
3.81
25 Rainfall Intensity, 60-min infix
2,54
USE
7.64
25-yr Runoff Flow (cfs)
8.48
Q=GA
Ditch fi Flow Is to'Basln 03 Phas9-1
25 Runoff Flow cfs 8.48
Trapezoidal Ditch Ca act
Roughness coefficient, n (wl strew net)
:�° Q.033'
Slope (fWfi)Fyy2'e°ya
Ditch depth (1t)01`00
Ditch bottom width (fl)
1'OOi
Ditch side slopes (x:1)
Cross sectional area (sf)
4.00
flitch now capacity (cis)
20.14
-Capacity > Runoff
:�MAYES
01tch:42 Flow;Ana ltlo'$AsEti>f3' Rhtlso'.i
25 Runoff Flow cfs 8.48
Trapezoidal Ditch Capacity
Roughness coefficient, n (w/ straw net)
i 0.033y
Slope (tuft)
;y;' G.7%
Ditch depth (ft)
Ditch bottom width (ft)
Ditch side slopes (x:1)
3'
Cross sectional area (af)
4.00
Ditch now capacity (cfs)
27.44
[Capaci(y > Runoff
"`°;•_'`:YES
Actual Flaw Depth at Q25yr
Trapezoidal Ditch Capacity
Roughness coeffcnt, n (w! straw net)
0.033
Slope (fUft)
2.8%
Ditch depth (ft) Actual
g 0.13$8j
Ditch bottom width (ft)
1.00
Ditch sida slopes (x:1)
3
Cross sectional area (sf)
2.10
Duch now actual cfs
8.48
Actual Ylow ue In al U,.eDyr
Trapezoidal Ditch Capacity
Roughness coeHcnt, n (w/ straw
net) 0.033
Slope (ftm)
5.2%
Ditch depth (It) Actual
' fl:5137
Ditch bottom width ((1)
1.00
Ditch side slopes (x:1)
3
Cross sectional area (af)
1.67
Ditch now actual cfs
8.48
PRO-RATA RAINFALL
Tc Q
6,87
10"".$':09
-12.5•�.•.'5.62
15'�3.14
28.$ 3.53
3.34
60,.
hue Ruepe Fngkmalnp PLLC
0 Main Street
NDMW lka3bO e. NC 28654
J3361036.2500

Precipitation Frequency Data Server
POINT PRECIPITATION
FREQUENCY ESTIMATES
FROM NOAA ATLAS 14 0
WILKiSBORO, NOR771 CAROLINA (31.94") 36.15 N 81.1833 W 1076 het
AY 'hdpinda.Frm*mmV Atlr of AM 1LkW Mom* MOM Atlas 14. VdMmf ]. VmWm
0 K go*&, 0. M"k P. Us. T. Pei, U YdLa OW O liln
NOAA, MM.a.i WmJW Sm.iaS Silva fG'I'L �ar11�. 30W
tw.ow: SeWM IS]OW
asonaiay L*wwn maps ottwf Into. G I S data I MapB I Doca I r Return t0
Intensity Estimates
ARl• 10 13 14 01! 170 1,I 7! � J 1 10 Sli }g � fe4
an alln min mia nli0 Witt 3 hC dr lal
I 25 .39 E3 1.94 1.2t 71 SI D32 .20 .12 .07 D4 .03 D.02 O.OI 0.01 0.01 D01
' Rnaa Iwips� adw� w 9aaa4 a a Aitl at M Aaar>,a IaC#Oallel FMK
Ptiaaa rMr b tllAAdtr_LLlk�Apla Rr abn 1N01w114m�. fglE Finaaa/r� biaaa river � aw i aSlae r era
Upper bound of the 90% confidence Interval
Preci station Inteasl Esllmale8 (n/br
ARl••
ton
1
2
i
min
.53
10
a
mlla
3.70
4.40
5.23
IS
ve
3.0E
3.69
4.40
30
pl8
11
SS
.13
60
win
1.32
120
win
.77
3
hr
6
br
1I
br
24
br
48
br
4
da
7
da
ID
da
20
da
30
da
43
da
60
do
J6
35
.22
.14
.01
.05
0,03
.02
OL02
0.01
OL01
OL01
I.60
01
94
1.19
68
.86
.43
.54
.27
.16
.10
.05
0.04
.03
0.02
0.02
0.01
001
5
.33
.21
.12
0,07
0.04
0.03
0.02
0.02
0.01
0.01
10
23
50
7J2
E.36
.10
5.85
6.67
7.31
.93
5.63
.18
S7
.17
65
3]
.78
.15
1.39
1.68
L01
1.22
.63
.75
0.3E
0.46
0'24
0.29
0.14
D.17
0.0E
O,DS
0.04
0.02
0.02
0.02
0.01
0.09
0.06
0.04
0.03
0.02
0.02
.02
1.93
1.41
0.86
0.51
D.33
.19
0.10
0.06
0.05
0.03
0.02
fl.02
100
10.016
7.W
E.70
.67
.73
7.32
5.16
3.55
20
1,61
0.9E
0.58
0.37
0.22
O,12
0,07
0. 5
0.03
0.04
0.02
.03
0.02
.02
E.002
200
S00
10.9E
12.23
5.70
99
.63
2,50
2.95
1.84
I.I t
1.31
0.64
0.74
0A
.24
.i3
D.OE
06
E.12
.46
2. 18
0.48
.27
.15
0.49
.06
0.04
0.03
.02
.02
1000
13.IT
10.15
8.75
7.0E
5.17
3.33
.48
1.47
0.92
0.53
30
.16
.09
.07
0.04
.03
•SMtrwrWtlIm
aai�sa
YlnrrbLemM
bWWI
a rarrkft!nddr
da.&rd
ki
r!rda
I
Yam�ry
raatarara
ThmM+ep!>Ip1I meiombmm"bow ama1mYddKmdmaANrriAsapRm=%Mi�ft
alara M4 b 1 W ANN141 tram a1, ', ACM Fmnla7p im m 5*0m mm tan 10ImW r arc
Lower bound of the 90% confidence interval
Precipitation In( sity Estimate8 inthr
ARk••
an
3
mlm
10
mIn
is
min
30
=1
60
min
120
m14
3
hr
6
br
12
bf
24
hr
49
br
4
day
10
da
M
da
30
day_ds
43
60
da
1
.92
13
.73
61
1.79
l .12
I.JS
0.65
0.79
047
6.37
.30
36
.19
0.23
11
.14
07
t11
O I
01
01
0.01
2
.66
.12
.16
.0E
O.DS
im
02
02
.01
Ot
D.Dk
S
3.41
.39
3.70
.63
1.69
1.00
0.72
.43
.28
17
.10
.06
0.03.02
.02
.01
.01
10
.13
6.91
7.46
.90
3.30
5.94 15.01
.14
.65
.00
.44
1.95
.29
1. t6
138
0.93
.52
0.62
0.32
.20
0.24
.12
0.14
0.07
.03
0.04
'02
QI
.02
02
.01
.01
25
1.00
0.3E
0.08
.02
D.01
30
.71
.5b
L55
1.12
0.70
.42
.27
.16
.09
005
0,04
.03
03
.02
.02
D2
.01
100
7.99
a.49
.08
.33
6.35
6.73
7, i 8
7,51
5.35
5.66
6.03
6.28
.10
.82
.09
M
1.73
1.91
16
1.26
1.39
L 511
1.73
0.73
.47
0.51
0.57
0.61
.31
.34
0.38
.12
Al a
.2D
.22
.24
A
0.06
OAS
.02
.02
.m
200
.40
.811
0.16
0.97
1.06
Al
.12
.13
.07
.07
0.03
D.05
.03
.02
.02
S00
0.03
0.03
.02
.02
1000
3.09
.71
36
A
.06
0.04
0.03
0,02
0.02
Rn Iwwr waver ri aa4Hwv Ir.r it iOSariMen rr t w.M>•10A aw d ar OiWral awoal I&= 4r a yr.IgnieP a 4w rm
Page I of 3
http:llhdsc. nws. noaa. gov/cg i-bi nlhdsclbui ldo ut. perl?type=idf&units=us&series=pd&staten... 4/15/2009

Precipitation Frequency Data Server
AMbftAVMV
irArre ai�.QoomlKrr.ow 10aifa1101r INOWMysr+w MON" rU MOVOWal..p
Tall Yrt MM of Wbbs
Peril*$ duration booed Point 111r Curves - Yoraloni I
06.15 M W. 1923 M 14176 It
.NI
a 1 n
wed lyr le I71D0�+e t�11!
Maps .
i nai +� J � !11 w 1 11 1 1sur;.6 Z
qe ..vrr.n.. n .rue
-Yrar---
t-year �
1N-year —
S-year�-
10-year f
500-1 e.r
-a-
iMN.�a.w I��+�MI •Mq NN w*ratf�wt�
Mmaw n.f gyp. mww a�w+Mrw
Page 2 of 3
http://hdsc.nws.noaa.gov/cgi-binlhdsclbuildout.perl?type =idf&units=us&series=pd&staten... 4/15/2009

Precipitation Frequency Data Server
LEGM
— state
— cestnectw
— Comty
Strom
t= Indian IM W
M Ili 1 itary Arm
hakaIrenivocem
li IMtianal Park
— Street
M Othw Park
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— 1410my o
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ace 1 a 1 : ttassa
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ell Aa17 tOr rlrao34.M.
Other Maps/Photographs -
Page 3 of 3
oavttirlg This loeuion mom TarraScrver USCS Adtal Pbwnmpb may also be avattsbk
from this site. A DOQ is a wmpA r-prarsled image of an acrid photograph in wbkh imegC 4ispIsoemaa mixed by Inds relief and camera
tilts has been rcawod.11 combim the image dww2whow of s 11 ring, w wide the teomark qualities of a map. Visit the J= for more Wfomucfon.
Watershed/Stream Plow Information -
for this location using the U.S. EnvltnnrnenW Protection Atmcy's site.
Climate Data Sources -
Phw4M a iw irgslrwcy rrsulls aR based an dew Prow a variety q(sawcn, bad levply WDC. 7Awfollowing finks provkk general ►q/armaitlon
above obserrinr sees tw the arts mV vdkrsr of (f d wtr due was used U"stwitt For drtalled !oration about the stalkw rsed be tilts am*
pkrasr r fn to AQAA Atlas 14 Do=wnt
Using the station search engine, Joan odw dtmssa wticm within:
+1-30 t7srtsuMa ...O;t... *!-1 degree of this location (W 15/4 t.11M Digital ASCII data t:an be obtained directly floor N
R-C i +" F Male or.l.
0-16 pAAa4Ara1 W.Cb. arr+k.
132S rul-we" kph
aa7M spines Mn 7srle
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http://hdsc.nws.noaa.gov/egi-binlhdsauildout.perl?type= idf&units=us&serics=o&staten... 4/15/2009

TRIO
Description
These coarse material washers
and blade mills are ideally suited
for thoroughly scrubbing and
cleaning up to 21/2" material.
Built with large, three stage
gearboxes and outboard lower
bearing assemblies, the units are
designed for long operating life
and maintenance ease. The tubs
are comprised of heavy gauge
plate, and are designed for
maximum life in various applica-
tions.
The units can be operated with
electric, hydraulic, or combus-
tion power. Each unit comes
complete with support legs, ad-
justable motor base, motor
guard, lifting lugs and supports,
and a v-belts guard.
Operating Principles
Coarse Material Washers
The required water is introduced to wash out deleterious material over the
tub end. Dust and clay and other undesirable feed material components are
eliminated from the fed material by this abrading and washing action.
Deleterious material with light specific gravity (wood, lignite, paper), are car-
ried out of the tub by the rising current of water within the tub.
For tougher applications, additional paddle configurations can be used in lieu of
conveyor flights. This lengthens the material retention time in the machine and
results in more extensive scrubbing in the tub.
Michigan Aggregate Machinery
P.O. Box 838, Northville, Michigan, 48167
Tel: [phone] Fax: [phone]
Website: www.michagg.com Email: [e-mail]
Applications
Gravel
Crushed Stone
Mixed Clay Material
Mixed Debds
Mud
Models/Sizes
36" x 18' Single
36" x 16' Twin
44" x 20' Single
36" x 18' Single Blade
36" x 18' Twin Blade
Other Considerations
One year warranty
Exceptional quality
Off -the -shelf parts
Nationwide distribution
[ow price guarantee

Coarse Material Washers
TRIO
36" x 18'
Single
36" x 18'
Twin
44" x 20'
Single
36" x 18'
Single Blade
36" x 18'
Twin Blade
Capacity (TPH)
150 to 175
300 to 350
200 to 250
Varies
Varies
Maximum Material Size
2 1/2"
21/2"
2112"
2 L2"
21/2"
HP (Electric)
30
30 (two)
40
30 (two)
30 (two)
Water (GPM @ 25 PSI)
400 to 600
800 to 1,200
500 to 750
400 to 600
800 to 1,200
Max Screw Speed (RPM)
32
32
26
32
32
Weight
12,000
22,000
20,500
14,000
27,000
NOTE: Designs& specifications subject to periodic change without notice.
.1-440
Spiral Diameter
Tab Length
A
B
C
D
E
F
G
H
J
K
L
Angle
X' Single & Blade
18,
22'-5"
I1'-6"
5--1/2"
18,
4'-5"
13•
5'-6"
3'-11"
4'6"
—
—
15,
36"Twin & Blade
18,
22'-5"
11'-6"
5'-1/2"
18,
4'-5"
13'
5'-6"
—
—
T-3"
7'-l1"
151,
44" Single
20'
Call
Calf
Cal!
Call
Call
Call
Call
Cali
Cali
Call
Call
15°

EROSION CONTROL
ANALYSIS AND REPORT
Project: Mathis Quarries
Mining Permit, Erosion Control Plan
Cove Creek Drive, North Wilkesboro, NC
Prepared for: Mathis Quarries, Inc.
873 Cove Creek Drive
North Wilkesboro, NC 28659
Date Revised: April 15, 2009
Prepared by: F"
BLUE RIDGE
ENGINEERING PLLC
529 Main Street
North Wilkesboro, NC 28659
[phone]
[phone] fax

Sediment Basin
Drainage Area, (A,) acres
Disturbed Area, (A) acres
Runoff coefficient, (c)
(see Table 8.03b)
10-yr Rainfall intensity, (i) in/hr
(see Table 8.03c)
1 0-yr Runoff Flow, (Q) cfs = ciA
Req'd Basin Surface Area, (S) sf
S = 325*Q
� 365
4-4?a 0.-� 5
500 01 IS
Basin Width, (x) ft = 6o
w = [S/6]`(Y) 6:1 ratio (min) = 35
w = [S/2]'(Y2) 2:1 ratio (max) = 470
Minimum Basin Length, (L) ft
[
L = S/w
Req'd Basin Volume, (V) cf = %4-
V = 3600*A
Minimum Basin Depth, (d) ft = 5, 3
d= 3.5ft or V/(w*L) U 5 C b
C�= fox2�x�
Z+lnfS &OW6
A -- Q?-
Cv (o,e� �2)
4 4) z - 0,3 I Zr - 3.15
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
BLUE RIDGE (336) 838-445� Fax
ENGINEERING
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8062
1
LOF ��

8062 Mathis Quarries, Inc.
Sediment Basin #1 Phase 1
Disturbed Area (ac.) Ad 10.99
Off -site Area (ac.) A. 13.98
Total Drainage Area (ac,) AT 24.97
Runoff Coefficient (disturbed) 0.35 44%
Runoff Coefficient undisturbed 0.15 56%
Avera a Runoff Coefficient c 0.24 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (ft/ft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1604
Height (ft)
430
Slope (ft/ft)
0.27
Average velocity (ft/s) Fig.3-1
5,50
Travel Time min
4.9
Combined Time of Concentration min
41.2
10-yr Rainfall Intensity, 5-min (in/hr)
6.71
10-yr Rainfall Intensity, 10-min (in/hr)
5.36
10-yr Rainfall Intensity, 15-ruin (in/hr)
4.52
10 yr Rainfall Intensity, 30-ruin (in/hr)
3.28
10- r Rainfall Intensity,60-min in/hr
2.13
USE
2.85
10-yr Runoff Flow (cfs) 16.94
Q=ciA
Req'd Trap Surface Area (sf) 7368
S=435*Q
Trap Width (ft)
Min. Trap width 6:1 ratio 35.0
Max. Trap width 2:1 ratio 60.7
USE 60
Trap Length (ft)
L=S/w 122.8
USE 126
Req'd Trap Volume (cf) 39564
V=3600"Ad
Min. Trap Depth (ft)
d=V/(w*L) 5.3
min. = 3.5' 3.5
USE 6.0
Baffle spacing (ft)
15%
18.8
25%
31.3
25%
31.3
35%
43.8
Blue Ridge Engineering PiLC
529 Main Street
North Wilkesboro, NC ME)
(336) 838-25a4

Sediment Basin
Drainage Area, (A,) acres
Disturbed Area, (A) acres
Runoff coefficient, (c)
(see Table 8.03b)
10-yr Rainfall intensity, (i) inlhr
(see Table 8.03c)
# 2 (Phqv-
2 -54
Tom= +1. 4
1bz7D o . 35
lfb% 6,15
10-yr Runoff Flow, (Q) cfs = ciA
= lq l56
Req'd Basin Surface Area, (S) sf
50
S = 325*0
Basin Width, (x) ft
= 10
= �n
w = [S16]"(Y) 6:1 ratio (min)
w = [S12]"(Y) 2:1 ratio (max)
= 3-0
= b5,2
Minimum Basin Length, (L) ft
3a" GM F
L = Slw
Req'd Basin Volume, M cf
V = 3600*A
Minimum Basin Depth, (d) ft
24 hr 5b D �
A - cs� - 0
7 y D��02s�
3Z �2
AHD o�Lz(
it
�-A 4 o,loz� 0
T~ �
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
BLUE RIDGE (336) e3a ,17s Fax
ENGINEERING
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8062

8062 Mathis Quarries, Inc.
Sediment Basin 92 Phase 1
Disturbed Area (ac.) Ad 18,00
Off -site Area (ac.) Ao 3.91
Total Drainage Area (ac.) AT 21.91
Runoff Coefficient (disturbed) 0.35 82%
Runoff Coefficient undisturbed 0.15 18%
Average Runoff Coefficient c 0.31 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (ft/ft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3,60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (ft/ft)
0.11
Average velocity (ft/s) Fig.3-1
5.50
Travel Time min
5.3
Combined Time of Concentration min
41.6
10-yr Rainfall Intensity, 5-min (inthr)
6.71
10-yr Rainfall Intensity, 10-min (inthr)
5.36
10-yr Rainfall Intensity, 15-min (infhr)
4.52
10-yr Rainfall Intensity, 30-min (inlhr)
3.28
10-vr Rainfall Intensity. 60-min finlhrl
2.13
I USE 2.841
10-yr Runoff Flow (cfs) 19.56
Q=ciA
Req'd Trap Surface Area (sf) 85011
S=435*Q
Trap Width (ft)
Min. Trap width 6:1 ratio 37.7
Max. Trap width 2:1 ratio 65.2
USE 90
Trap Length (ft)
L=S/w 94.5
USE '185
Req'd Trap Volume (cf) 64800
V=3600*Ad
Min. Trap Depth (ft)
d=V/(w*L) 3.9
min. = 3.5' 3.5
USE 7.0
Baffle spacing (ft)
15%
27.$
25%
46.3
25%
46.3
35%
64.8
Blue Ridge Engineering PLLC
529 Main Street
North Wftesboro, NC 28659
[phone]

Sediment Basin
Drainage Area, (AT) acres
Disturbed Area, (A) acres
Runoff coefficient, (c)
(see Table 8.03b)
10-yr Rainfall intensity, (i) in/hr
(see Table 8.03c)
10-yr Runoff Flow, (Q) cfs = ciA
Req'd Basin Surface Area, (S) sf
S = 325'Q
Basin Width, (x) ft
w = [S/6]"(Y2) 6:1 ratio (min)
w = [S/2]"(Y2) 2:1 ratio (max)
Minimum Basin Length, (L) ft
L=S/w
Req'd Basin Volume, (V) cf
V = 3600*A
# (Pk'?e'C ?—)
�7?o o,[�
G =4r.�
3S 77�
_ 90
3 70
C d = P
= /r/, o9(
Minimum Basin Depth, (d) ft
d = 3.5ft or V/(w*L)
V x f x 7 h'i -nih
241�r 5 co o 40
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
BLUE RIDGE (336) e38-2500
ENGINEERING (336) e384179 Fax
H
USE
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8062

8062 Mattis Quarries, Inc.
Sediment Basln #2 Phase 2
Disturbed Area (ac.) Ad 30.86
Off -site Area (ac.) A, 17.89
Total Drainage Area (ac.) AT 48.75
Runoff Coefficient (disturbed) 0.35 63%
Runoff Coefficient undisturbed 0.15 37%
Average Runoff Coefficient c 0.28 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
300
Height (ft)
50
Slope (ftfft)
0.17
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
36.4
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
1742
Height (ft)
200
Slope (ft/ft)
0.11
Average velocity (ftls) Fig. 3-1
5.50
Travel Time min
5.3
Combined Time of Concentration min
41.6
10-yr Rainfall Intensity, 5-min (inlhr)
6.71'
10-yr Rainfall Intensity, 10-min (Inlhr)
5.36
10-yr Rainfall Intensity, 15-min (inthr)
4.52
10-yr Rainfall Intensity, 30-min (inlhr)
3,28
10-yr Rainfall Intensity, 60 min (inlhr)
USE
_2.13
2.84
10-yr Runoff Flow (cfs) 38.36
Q =c1A
Req'd Trap Surface Area (sf) 16659
S=435-Q
Trap Width (ft)
Min. Trap width 6:1 ratio 52.7
Max. Trap width 2:1 ratio 91.3
USE 90
Trap Length (ft)
L=SIw 185A
USE 185
Req'd Trap Volume (cf) 111096
V=3600-Ad
Min. Trap Depth (ft)
d=VI(w-L) 6.7
min. = 3.5' 3.5
USE 7.0
Baffle spacing (ft)
15%
27.8
25%
46.3
25%
46.3
35%
64.8
Blue Ridge Engineering PLLC
529 Main Street
Noah Wilkesboro, NC 28659
[phone]

NCDENR Stormwater BMP Manual Chapter Revised 09-28-07
3.5.2. Orifice Equation
The basic equation for orifices is:
Q = CDA 2gHo
Where: Q = Discharge (cfs)
Co = Coefficient of discharge (dimensionless) - see Table 3-8
A = Cross -sectional area of flow at the orifice entrance (sq ft)
g = Acceleration of gravity (32.2 ft/sec2)
Ho = Driving head (ft), measured from the centroid of the orifice area to
the water surface - Note: Usually use Ho/3 to compute
drawdown through an orifice to reflect the fact that head is
decreasing as the drawdown occurs.
Figure 3-2
Schematic section through an orifice
e2
Table 3-8
Values of Coefficient of Discharge, CD (Malcom, 2989)
Entrance Condition
Co
Typical default value
0.60
Square -edged entrance
0.59
Concrete pipe, grooved end
0.65
Corrugated metal pipe, mitred to slope
0.52
Corrugated metal pipe, projecting from fill
1.00
Stormwater Management and Calculations 3-11 July 2007

Precipitation Frequency Data Server
Page I of 3
POINT PRECIPITATION
INIMW FREQUENCY ESTIMATES
FROM NOAA ATLAS 14 S
WIL.KESBORO, NORTH CAROLINA (31-9406) 36.15 N 81-1833 W 1076 reel
from'Precipitation-Frequeecy A1latoflhtUnited Sates NOAA Atlas 14, Volume2. Version 3
GM. noeein, D Manin. a. Lin, T. Paraybek, M,Vekn.and D Riley
NOAA, National Weather Service. Silver Spring, Marykand, 2004
Emtaeled. Man Jan 19 "M
Confidence Limits Seasonality Location Maps JQther into. GIS data Maps Docs Return to State Map
Precipitation FrequencX Estimates inches
m�a
5
F107
is
X"
Qx"w'
=0.35
0.56
0.71
0,97
1.21
1,42
1.53
1.94
Z,44
2.97
3.55
4.03
4.b3
5.31
7.10
B,81
II,IS
13.28
2=1
O,A2
Q.b7
O.RS
l.lT
i.47
1.72
1.96
2.34
2,95
60►
4,30
5.55
6.33
8.40
10,37
F13.04
I5.48
=
Q.50
0.80
I.01
1.4J
1,84
2.18
2.35
2.94
3.68
4,57
5.41
6.04
6.77
7.62
9.94
11.98
14.79
17.41
10
0,56
0.89
1.13
1.64
2,13
2.SS
2.75
].43
4.25
5.33
6.29
6.46
7.72
8.60
il.12
13.19
16.k0
t8. 77
25
0.64
I.01
1.29
1.91
2.54
3.07
3.J3
4.12
S.O3
6.40
7.54
6.22
9.00
9.90
12.71
14.7J
17.77
20.73
®0.70
I.11
1.40
2.11
2,B6
3.50
3.81
4.69
S.b6
7.27
8.46
9.23
I0.01
14.90
13.94
IS.89
19.01
2 2. 11
100
Q.76
1.20
1.52
2.3]
3.20
3.96
4.32
5.29
6.32
8,16
9.47
10.27
I ! .02
11.89
! 5.18
17.02
20.21
23. 22
IOQ
0.62
1.29
1.63
2.54
3.56
4. 66
4.8E
5.94
7.00
9.10
10.51
11.33
12.05
12.94
16.43
18.13
21.36
24.68
DE
0.94
1.42
1.78
2.64
4.07
5.17
5,64
6,87
7.46
10.39
11.95
12.74
13.45
i4.26
18.09
19. 77
Eg
26.29
1000
0.96
1.51
1.90
3.47
.4B
5.77
6.37
7.63
8.74
11.43
13.10
13.45
14.55
IS.33
19.38
20.b4
23.95
27.48
' These prompilation hpuencf' eillmseaa are band on a p&jNj ea0oae&kL ARI is 0% Average ReAwrer" leynrad.
oleaae retM ID N M Alin 14 OXWm'# Inure WWMvknL NOTE: Forms" loan eshitsen Mf mo to appear of zero.
" Upper bound or the 90% confidence interval
Precipitation Frequency Estimates inches
ARI•• i120 12 24 LI 4rd-71F-10�F20
( ears mk]FI-O�FISF37OF670
� 4S
min min min min min hr hr hr hr hr uder��erder der der day ILL&IJ
L j
0.39
O. 22
EE
1.06
1.32
1.54
1.68
2.11
2.65
3.24
3.87
4.38
4.99
5.68
7.54
9.29
11.69
13.90
=
0.46
0.73
4.92
1.27
I.bO
1.88
2.04
2.56
3.21
3.93
4.6B
5.27
5.98
6.78
8.92
10.94
13.68
16.23
�0.54
0.87
I.lO
1,56
2.01
2.38
2.S$
3.22
4.OD
4.99
5.89
6.55
7.30
8.15
10.54
12.bJ
IS.S2
18,25
i0
0.61
0.97
1.23
i.79
2.33
2.77
3.02
3.74
4.62
5.82
6.84
7.56
8.32
9.20
1 i.80
13.90
16.89
19.78
25
0.70
1.11
1.41
2.09
2.78
3.36
3.67
.51
5.49
6.99
8.17
8.94
9.71
10.59
13.49
15.53
18.65
21.74
0.77
1.22
l.54
2.33
3.15
3.85
4.22
5.16
6.20
7.94
9,2J
10.04
10.80
11.67
14.82
16.T7
19.97
23.20
100
0.84
1,33
1.68
2.58
3.55
4.39
4.83
5.87
6,45
8.93
10.J4
11,18
I1.91
12.76
16.17
17.99
21.25
24.61
I00
0.92
1.45
1.83
2.85
3.99
®5.51
6.66
7.75
4.98
11.51
12.37
13.05
13.86
17.83
19.18
22.51
25.978
1.02
1.61
2.0]
3.23
4.63
5.89
6.55
7.82
8.90
11.45
13.15
14.01
14.63
15.38
i9.38
20.76
24.14
27.74
1000
1.1 i
1.74
2.14
3.54
5.17
6.67
7.44
8.82
9.86
12:64
i4,47
15.32
15.88
16.b0
20.$3
21.96
25.J6
29,Q5
The upper bmad d ate collidenw ietNlral al Y0%cor kdenct Nral h tlN valve vAscll S%d Tt airraealW 91wkM values fa a 91+p1 aeNeaeecT an pxM Tan
These pracipWor. kilquency tslimeta are based on a WU durMjW Mft NO h IN Avelope Recurrence lnlervat.
Please teler io NOM Alp 14 Docyrn fni kir mote i domlaka. NOTE: Forme" prinwo eaknm neat taro b oppose a m
" Lower bound or the 90% confidence interval
Precipitation Frequency Estimates inches
FAR- I•'❑5 10 li �� 120 n� 12 24 a�Fd l0 20 [Z1F4---s1F6-o-]
( cars min min m1a min min min hue hr hr hr hr der der der da der day I
0.33
0.52
4.65
0.90
1.12
1.30
k.41
1.78
2.26
2.72
3.27
3. 33
KD
4.99
6.70
9.37
10.63
12.67
=0.39
0,62
0.78
I.OS
1.38
t.58
1,7t
2.16
2.73
3.30
3.96
4.49
5.18
5.94
7.93
4,85
12.43
14,78
0.4h
0,73
0,93
1.32
I .b4
1.99
2.16
2.70
3.38
4.18
4.97
5.57
b.31
7.14
9.3b
11.37
14.09
16,63
10
0.51
0.82
1.03
I . SO
1.95
2.31
2.50
], 13
3.69
4.8T
5.75
6.4 I
7. 18
8.05
10.46
I L
15.32
18.41
25
0.58
0.92
Ejj
E7fl
2,29
2.76
2E
E7fl
4,58
5.81
6.83
7.54
S.34
9. 44
11.91
13.93
16.81
19.75
SO
O.b2
0.99
1.25
1.89
2.56
3.11
J.38
EE5,10
6.56
7,67
8.4]
9.24
10.14
13.0]
14.99
18.03
21.D4
100
O.b7
1.06
1.34
2.05
2.82
3.46
7.77
4.67
5.63
7.33
8.53
4.34
]0.14
I1.04
14.13
16.01
19.12
22.24
I00
0.71
1.12
1.42
2.20
3.09.
3.83
4.16
5.15
b.15
8.12
9.41
IQ.26
11.Q4
11.92
15.22
17,00
20.Ib
23.39
®0.76
1.20
1.51
2.40
3.44
4.33
4,74
S.BI
6.86
4.20
10.61
11.48
12.23
13.10
16.b5
18.27
2i.47
24.82
I1100
0.74
1.25
1.57
2.54
3.71
4.71
5,19
b.32
7.41
10.06
! 1.53
12.43
13.14
14.41
17.T4
i9,20
22,44
25.90
1 M XWW DOM 01 one =1100M WWV01 X WM Corroe1lce level 4 0M Vt41e ■W.Js 5% or DM aataaaW qU VAN $or a Vw nquarq are Nis Ten.
http://hdsc.nws.noaa.gov/cgi-bin/hdsc/buiIdout.perl?type=pf&units=us&series=pd&statena... 1 / 1912009

FLOW WITHIN a SYSTEM
1
1000 ,
900 A P :Given discharge Q=10.0 c1s,
90o friction factor n= 0.023
700 slope of 0.0125 per foot
600 FIND Diameter2l inches and
500 velocity of 4.1 ft. per second
400 by following dashed 11no.
0001
Sao
200
120
108
96
90
100
Ba
78
9c
72
90
66
t0
(neo
0
60
W 54
W
so
V 4e
V
40
Z a2
Z
F
39
Z Z 36
30
..� 33
Z
O
a 27
QL
20rrG
I ©IB
15
W i
7
W 12 -�
i
6
0 10
5
4
B
3
6
0
I.
0004
0006
00013
0010
:0020 0)
N
-.00 30 Q
.0040 O
It JI
•.00130 C�
:0080
•0ro0' c
W
• 0w
0
S
.0600
-0800
.1000
O
Z
O
U
W
3
f�
a
4W
hu
W
5 Z
6 h
V
7 0
e
9
to
,2
13
44
is
2 N—asM, 0inkAPH FOF
COr.'PUTMG REOUIRM SIZE OF CIRCULA
CO % UGA T ED METAL PIPE, FLOVVNw FU. LI-
0 9 n = 0. 0 275
Adapted f.om Engineering Mongol. Wor Deportment, Corps of Engineers, Part X111, Cnov1 I, Jun* 1955
IB

Sediment Basin
Drainage Area, (AT) acres
Disturbed Area, (A) acres
Runoff coefficient, (c)
(see Table 8.03b)
10-yr Rainfall intensity, (i) in/hr
(see Table 8.03c)
10-yr Runoff Flow, (Q) cfs = ciA
Req'd Basin Surface Area, (S) sf
S = 325*Q
Basin Width, (x) ft
w = [S16]"(Y2) 6:1 ratio (min)
w = [S12r(Y2) 2:1 ratio (max)
Minimum Basin Length, (L) ft
L=Stw
Req'd Basin Volume, M cf
V = 3600•A
Minimum Basin Depth, (d) ft
d = 3.5ft or VIWL)
7.44
323s
= 40
Zp
4-
= 11442
= 3 ,S 4-
Zg- too fa o
A C2l
Mom'`- 016b lI z) 4l�
Ana � Ll)]
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
BLUE RIDGE {Mj Wz179 Fax
ENGINEERING
Q=744
_ 2 q0
tCt>"CAl�
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8062

8062 Mathis Quaff ies, Inc.
Sediment Basin #3 Phase
Disturbed Area (ac.) Ad 3.17
Off -site Area (ac.) A. 0.00
Total Drainage Area (ac.) AT 3,17
Runoff Coefficient (disturbed) 0.35 100%
Runoff Coefficient undisturbed 0.15 0%
Average Runoff Coefficient c 0.35 100%
Time of Concentration
Wooded - Sheet Flow
Length of Travel (ft)
1
Height (ft)
1
Slope (ft/ft)
1.00
Surface roughness (n)
0.80
2-yr, 24-hr rainfall (in)
3.60
Travel Time min
0.2
Unpaved -Shallow Concentrated Flow
Length of Travel (ft)
504
Height (ft)
25
Slope (ft/ft)
0.05
Average velocity (ft/s) Fig.3-1
5.50
Travel Time min
1.5
Combined Time of Concentration min
1.7
10-yr Rainfall Intensity, 5-min (in/hr)
6.71
10-yr Rainfall Intensity, 10-min (in/hr)
5.36
10-yr Rainfall Intensity, 15-min (in/hr)
4.52
10-yr Rainfall Intensity, 30-min (in/hr)
3.28
10-yr Rainfall Intensity, 60-min (in/hr)
2.13
USE
6.71
10-yr Runoff Flow (cfs) 7.44
Q=ciA
Req'd Trap Surface Area (so 3238
S=435'Q
Trap Width (ft)
Min. Trap width 6:1 ratio 23.2
Max. Trap width 2:1 ratio 40.2
USE 40
Trap Length (ft)
L=S/w 81.0
USE 81
Req'd Trap Volume (cf) 11412 11
V=3600'Ad
Min. Trap Depth (ft)
d=V/(w'L) 3.5
min. = 3.5' 3.5
USE 3.5
Baffle spacing (ft)
15%
12.2
25%
20.3
25%
20.3
35%
28.4
Blue Ridge Engineering PLLC
529 Main Street
North Wilkesboro, NC 28659
[phone]

&GI-111v - -41
60 xlZs x co` otq
S,,,
Ba5l-vl # L— 5 e' I
fox (Y5 x -7r.>eP
S-6rajj ; 6q, Wo -R3
qo,x 19G�l� 7c�
CAVOy6::�' ol 6
pw ' I Al Z
qo x gl x u` Deelp
9-ovoy _ i1,qlZ 43
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
�33sj 817BLUE RIDGE a49 Fax
ENGINEERING
�immet
qll 5 i'.imma- wl3 v , " �.
�„ ce
W/ �'q#
rr
rl sk r jv we r w/ q, I 0 v, � ce,
It 2 W ` q 1! QYS�CG
S� � Wi V✓M Gfl
SPt%kmsK GALcvcAl?m4s
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8062

Basin 1 - Mathis Quarries
Calculate Skimmer Size
Basin Volume in Cubic Feet
jDays to Drain'
n NC assume 3 days to drain
33,408 Cu.Ft
3 Days
Skimmer Size
Orifice Radius
Orifice Diameter
4.0 Inch
1.5 Inch[es]
3.0 Inch[es]
Estimate Volume of Basin Length Width
Top of water surface in feet 125 60 Feet VOLUME 33408 Cu. Ft.
Bottom dimensions in feet 101 36 Feet
Depth in feet 6 Feet

Basin 2 (Phase 1) - Mathis Quarries
Calculate Skimmer Size
(Basin Volume in Cubic Feet
Days to Drain'
n NC assume 3 days to drain
64,800 Cu.Ft
3 Days
Skimmer Size
Orifice Radius
Orifice Diameter
5.0 Inch
2.0 Inch[es]
4.1 Inch[es]
Estimate Volume of Basin Length Width
Top of water surface in feet 185 90 Feet VOLUME 92344 Cu. Ft.
Bottom dimensions in feet 157 62 Feet
Depth in feet 7 Feet

Basin 2 (Phase 2) - Mathis Quarries
Calculate Skimmer Size
Basin Volume in Cubic Feet
(Days to Drain*
NC assume 3 days to drain
92,344 Cu.Ft
3 Days
Skimmer Size
Orifice Radius
Orifice Diameter
5.0 Inch
2.4 lnch[es]
4.9 Inch[es]
Estimate Volume of Basin Length width
Top of water surface in feet 185 90j Feet VOLUME 92344 Cu. FL
Bottom dimensions in feet 157 621 Feet
Depth in feet 7 Feet

Basin 3 - Mathis Quarries
Calculate Skimmer Size
lBasin Volume in Cubic Feet
Days to Drain"
NC assume 3 days to drain
9,6 0 Cu. Ft
3 Days
Skimmer Size
Orifice Radius
Orifice Diameter
2.0 Inch
1.0 I nch[es]
1.9 Inch[es]
Estimate Volume of Basin Length Ndth
Top of water surface in feet 81 401 Feet VOLUME 9600 Cu. Ft.
Bottom dimensions in feet 65 24 Feet
Depth in feet 4 Feet

Outlet Protection
Pipe Diameter, (Da) ft.
Discharge, (Q,aK) cfs
Taiiwater Condition (min/max)
(Min: see Figure 8.06a)
(Max: see Figure 8.06b)
r
Rock Diameter, (d,) in. _ 4 +io
(50% by weight is finer)
Minimum Apron Length, (L.) ft. =
r ,r
Maximum Stone Dia., (d.) in. =
d. = 1.5*d.
Apron Thickness, (t) in.
t = 1.5*d.
Minimum Apron Width, (K) ft
Min. tailwater: W = D"+L
Max. tailwater: W = Da+0.4*L.
Apron Width at Pipe, (M) ft.
w=3*D.
= - C I
y oil - 10"00
Zfi13 =15
Rip Rap Class
(NCDOT Specifications)
Class d min d(50)
d max
depth
A
1 5" 10"
17"
26"
2 9" 14"
23"
35"
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
() isBLUE RIDGE�pFax
ENGINEERING
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8002
LOF
3

Outlet Protection
Pipe Diameter, (Do) ft.
Discharge, (Q,¢x) cfs
# 2
Tailwater Condition (min/max) _
(Min: see Figure 8.06a)
(Max: see Figure 8.06b)
GI
r O 4 •+
Rock Diameter, (d,) in.
(50% by weight is finer)
Minimum Apron Length, (L.) ft. = 0 a
Maximum Stone Dia., (d.) in. =
� = 1
d. = 1.5*d.
r
Apron Thickness, (t) in.
t = 1.5*d.
Minimum Apron Width, (W,) ft.
Min. tailwater: W = Do+L.
Max. tailwater: W = D.+0.4*L.
r
Apron Width at Pipe, (W.) ft. -- ��C5
w = 3*Do
Rip Rap Class = f
(NCDOT Specifications)
Class d min dLZ d max depth
A2" 6" 9"
5" 8" 12" 18"
1 5" 10" 17" 26"
2 9" 14" 23" 35"
BLUE RIDGE ENGINEERING PLC
529 MAIN STREET
NORTH WILKESBORO, NC 28659
BLUE RIDGE (336) �2579
ENGINEERING �� 838-41Fax
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8002
LOF
3

Outlet Protection #
Pipe Diameter, (D.) ft. -
Discharge, (Q,") cfs -
Taiwwater Condition (min/max)
(Min: see Figure 8.06a)
(Max: see Figure 8.06b)
V6
Rock Diameter, (d.) in.
(50% by weight is finer)
7, 4 4-
M(Vl
Minimum Apron Length, (L.) ft. = 1 3
Maximum Stone Dia., (d.) in. _ D , to 7, 21
d. = 1.5*d. 1
r cr
Apron Thickness, (t) in.
t = 1.5*d.
i t
Minimum Apron Width, (W) ft.
Min. tailwater: W = D.+L.
Max. tailwater: W = D.+0.4*L.
Apron Width at Pipe, (W.) ft. _
�r
w = 3*0.
Rip Rap Class =
(NCDOT Specifications)
Class gig in d(50) d max depth
2" 4" s•' 9"
B 5"
1 10" 17" 26"
2 9" 14" 23" 35"
BLUE RIDGE ENGINEERING PLLC
529 MAIN STREET
NORTH WILKESBORO,NC 28659
BLUE RIDGE (�) �;°9 Fax
,ENGINEERING
MATHIS QUARRIES, INC.
WILKES COUNTY, NC
PROJECT #8002
LOF
3

IFA
Division of Water Quality / Surface Water Protection
NCDENRNational Pollutant Discharge Elimination System
N . G.F0.... C"�,.
FrW, jn .ra Navw. FWn P "
NCG020000
NOTICE OF INTENT
Amount
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG020000:
STORMWATER DISCHARGES associated with activities classified as:
SIC (Standard Industrial Classification) Code -14XX Mineral Mining Industry (except as specified below)
The following activities are also included:
• Active or inactive mining operations (including borrow pits —except for NCDOT borrow pits) that discharge
stormwater contaminated with or that has come in contact with, any overburden, raw material, intermediate
products, finished products, byproducts or waste products located on the site of such operations;
• Stormwater from vehicle maintenance activities at raining operations, -
Overflow from facilities that recycle process wastewater; and/or
• Mine dewatering (wastewater)
The following activities are specifically xce laded from coverage under this General Permit:
• Stormwater discharges associated with peat mining, coal mining, and metal mining;
• Stormwater discharges from mining operations which are intermixed on site with stormwater from asphalt
operations and/or concrete operations;
• Stormwater discharges associated with oil and gas extraction operations; and
Stormwater discharges associated with tourist gem mines
• NCDOT borrow pits are covered under NCS000150
The following discharges are covered by NPDES general permll NCG520000 Instead of NCG020000.
• Point source discharges of stormwater and wastewater from in -stream sand mining operations (i.e., sand
dredging or dipping operations)
For now mining sites that require an authorization to construct (ATC) wastewater treatment facilities: This
NOI Is also an APPLICATION FOR an ATC for new wastewater treatment facilities. ATC requests must be
submitted at least 90 days prior to construction'.
For exis in mining sites that require an Authorization to Operate (ATO) wastewater treatment facilltles:
This NOI Is also an APPLICATION FOR an ATO for wastewater treatment facilities In place.
Construction, modification, or Installation of any new treatment components at an existing site requires
an ATC. (if the site Is already covered by NCG020000, the ATC request may be submitted without an NOI).
Some wastewater treatment facilities used to treat or recycle process wastewater (even if commingled
with stormwater) at ruining sites will require an ATC prior to construction. per 15A NCAC 2H .013&
Please see the NCG020000 General Permit for details about which treatment facilities require an
ATC (summarized in Table I at the end of this form). For example, an ATC is required for treatment
of mine dewatering discharge from clay pits and non -closed -loop wastewater recycle systems. The
authorization to construct or continue to operate will be issued at the same time as the Certificate of
Coverage (COC) for the NCG02 permit. Design of treatment facilities must comply with requirements
of 15A NCAC 2H .0138 & .0139.
Page 1 of 7
As per 15A NCAC 2H .0106
Unless treatment facilities are designed, constructed, and put into operation by employees Intemal to the company who are qualified to
perform such work for their respective companies In accordance with General Statutes, 89C-25 (7), plans and speciflcatlons must be signed
and sealed by a P.E.
SWU-217-071408 Last revised 7114/08

NCG020000 N.O.I.
Construction of wastewater treatment facilities subject to the ATC/ATO requirements In the NCG02 permit
at new rZ existing mining sites requires submission of three (3) sets of plans and specifications signed
and sealed by a Professional Engineer (P.E.) or qualified staff along with this application. A copy of the
design calculations should be Included. Please see questions 18 & 19.
Table 1: Wastewater Permit ATClATO Requirements
•� ' i �hilrne Dewatei nr Y
Yes
No
Quarries
—
•
Sand Pits
—
Clay Pits
•
Any Dewatering with Chemical Treatment
•
—
Process Wastewater'
Sand/Gravel
—
Closed -Loop Recycle
—
•
Other Recycle
•
For questions, please contact the DWO Reglonal Office for your area. (See page 7)
a - -
1) Mailing address of owner/operator
Name
Street Address
City
Telephone No.
E-mail Address
(Please print or type)
11'2q C-_Ov
PA
/'). 1 L ES O o State_NC ZIP Code ZBGS
( II — 3 2 G Fax: 3� 9' r
/�R� So�+.r W r� L K r✓S . N E
2) Location of faclilty producing discharge:
Facility Name A4 w S QV� rLrZ 165 , T"J4 .
Facility Contact
Street Address
City
County
Telephone No.
Contact E-mail
3) Physical Location Information:
N
State /uG ZIP Code
Please provide a narrative description of how to get to the facili (use street n mes, state rod numbers, and
distance and direction from a roadway intersec .on). CIS ZI A10EI-9 �_ 6]4 'Z ,4_
OF 6X i f 171 I oN Go'11" CIZf � Dr4?� ?4i40Lev
4) Latitude • D 8 • 36 Longitude t51.01 • 416 (degrees, minutes, seconds)
5) This NPDES Permit NOI Application applies to which of the following: p
MisNew or Proposed Facility Rate operation is to begin_iI)ULY d r
❑ Existing
❑ New Permit not applicable -- ATC request only. NPDES Permit Number
0 �73•
Page 2 of 7
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NCG020000 N.O.J.
6) Standard Industrial Classification:
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial
activity at this facility
SIC Code: I L4 2
7) Provide a narrative description of the ypes of minerals mined at this facility: G 1?61i iIITL
'f-=nR GCL US{{-Ev S��E_ fii P t:trli�. WftSttf,F� dam"_
8) Discharge Points:
Number of discharge points (ditches, pipes, channels, etc. that convey discharges from the property):
Stormwater: Mine dewatering: Process Wastewater Overflow. -2
Discharge points should be clearly marked on the submitted site plan.
Please provide short narrative description of discharges:
9) Receiving waters:
What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the fac< ity stormw er
and/or wastewater discharges end up in? V—I- lF is*H46 _C-F,E� I Z.-- 4�
If the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm
sewer system (e.g. City of Raleigh municipal storm sewer).
Receiving water classification (it known):
G
Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or $A must
be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage
under NCG020000 cannot be granted. No new discharges of process wastewater are
permitted In receiving waters classified as WS-1 or freshwater ORW.
10) Will mining operations require dewatering near wetlands or Impact dny stream, groundwater, or wetlands?
�No
❑ Yes If yes, please provide information about any 404/401 Certification permits.
Note: Wetlands must be CLEARLY DELINEATED on the site plan. Mine dewatering activities that have
the potential to drain wetlands or otherwise impact surface water or groundwater MUST develop and
Implement an Operation and Monitoring (O&M) Plan that has been approved by the Division.
The O&M Plan should be submitted to the Regional Office and must be approved prior tooperation.
The plan shall include, but is not limited to: (1) Groundwater monitoring strategies to demonstrate the
effect of pumping and to establish any pumping regime necessary to reduce impacts, and (2) Detailed
plans to maintain surrounding hydrology and respective monitoring to demonstrate compliance.
11) Does this facillty already have a valid Mining Permit from the Division of Land Resources (DLR)?.
l(No (If not, please indicate the status of the Mining Permit application: iPJ FV::9CE5S D
❑ Yes A,��ffaVP&-
If yes, please provide the Mining Permit number and include a copy with your application:
Note: DWQ cannof Issue a COC for the NCGO20000 General Permit until a Mining Permit is Issued or "
renewed by the Division of Land Resources (DLR).
Page 3 of 7
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NCG020000 N.O.I.
12) Will this mining operation precede development activities at this site?
IN o
❑ Yes
13) Does this facility have any other NPDES permits?
L�No
❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility:
14) Does this facility have any Non -Discharge permits (ex: recycle permits)?
dNo
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
15) Does this facility employ any best management practices for stormwater control?
❑�No
L7 1`e5
If yes, please briefly describe: r -p t✓R^Ooj6tj�
Pj
16) Does this facility have a Stormwater Pollution Prevention Plan?
eNo
❑ Yes
If yes, when was it implemented?
17) Will vehicle maintenance activities occur at this faciiity?
Q No ❑ Yes
Wastewater Treatment Facilities:
S4EL eft O5 ivA)
18) Will mine dewatering discharges occur? (ATCCATO required for clay pits or dewatertng with them. treatment)
CadeNo ❑ Yes
19) Will discharges of overflows from process wastewater treatment systems occur? (ATC or ATO required,
unless sand/gravel mining or closed -loop recycle system)
R No ❑ Yes
If yes, answer the following questions on the wastewater treatment system:
a. Please describe the type of process used to treat and/or recycle the process wastewater. Give
design specifics (i.e, design volume, retention time, surface area, etc.). Existing treatment
facilities should be described in detail, and design criteria or operational data should be provided
(including calculations) to ensure that the facility can comply with requirements of the General
Permit. [Use separate sheet(s)]
b. Does this facility employ chemical additives to flocculate suspended solids? ❑ No ❑ Yes
If yes, please state the name, manufacturer and the quantity of average daily usage of the
chemical additive
Note: Please see http://h2o.enr.stato.nc.us/ws/PAMS list.htm for a list of approved polyacrylamide (PAMS)
products for use in North Carolina.
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NCG020000 N.Q.I.
C. Does this facility overflow only during rainfall events exceeding the 10-yr, 24-hr rainfall event?
❑ No ❑ Yes
20) Are wastewater treatment facilities (Including recycle systems) planned In the 100-year flood plain?
Q No ❑ Yes if so, include information to demonstrate protection from flooding. (Minimum design
requirements for treatment works include protection from the 100-year flood, per 1 SA NCAC 2H .0219.)
21) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
eNo ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
l5d"No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
eNo ❑ Yes
d) If you answered yes to questions b. or c., please provide the following information:
Type(s) of waste:
How is material stored: _
Where is material stored:
How many disposal shipments per year;
Name of transport 1 disposal vendor:
Vendor address:
22) Certification: North Carollna General Statute 143-215.6 b (1) provides that:
Any person who knowingly makes any false statement, representation, or certification In any appllcation, record, report, plan, or other
document fled or required to be malntaIned under this Article or a rule Implementing this Article; or who knowingly makes a false
statement of a material fact In a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly
renders Inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the
(Environmental Managementl Commission Implemenfing this Article shall be guilty of a Class 2 misdemeanor which may Include a fine not to
exceed ten thousand dollars ($10,000),
I hereby request coverage under the referenced General Permit. I understand that coverage under this permit
will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an
individual permit.
I agree to abide by the following as a part of coverage under this General Permit:
1, I agree to abide by the approved Mining Permit for this mining activity. (A copy of the valid
mining permit must be attached to this request.
2. 1 agree to not discharge any sanitary wastewater from this mining activity except under the
provisions of another NPDES permit specifically issued therefore.
3. 1 agree that bulk storage of petroleum products and.other chemicals shall have adequate
protection so as to contain all spills on the site.
4. 1 agree that solid wastes will be disposed of in accordance with N.C. statutes and rules
governing solid waste disposal.
5. 1 agree that maintenance activities for vehicles and heavy equipment will be performed so as to
not result in contamination of the surface or ground waters.
Page 5 of 7
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NCG020000 N.O.I.
I agree to abide by the provisions as listed above and recognize that the provisions are to be considered as
enforceable requirements of the General Permit.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: t" R+ AA' 5
Title: WrJ6fL J,oiraR(4s „E +��'• -_-..
13
(Signature of Applicant) (Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to NCDENR.
Final Checkllst
This application will be returned as Incomplete unless all of the following Items have been Included:
R"' Check for $100 made payable to NCDENR
S" This completed application and all supporting documents
Rr Copy of the valid approved mining permit (MP) for the facility or indication of MP application status
Copy of a county map or other general location map that shows the mining site and nearest major roads
l Copy of USGS topographic map showing the mining site gD surrounding areas, or other map that clearly
shows site location in relation to nearby streams, wetlands, and other waters, etc.
02( Copy of mining site plan with all wetlands clearly delineated
Q' If the mine is near wetlands, or may otherwise impact surface water or groundwater, contact the regional
office about an O&M Plan (contact information on the next page). Please refer to this O&M Plan checklist:
✓ Site map with wetlands, ditches, well -placements, borrow areas, overburden storage, stormwater
controls/BMPs, vehicle maintenance areas, settling basins, product process areas, and access roads.
✓ Well information (design, depths, maintenance)
✓ Physical monitoring for the wetlands areas
✓ Settling pond sizing information, if applicable
✓ Level spreader design, if applicable
✓ Details about dewatering method
✓ Description of measures to prevent erosion and flooding
❑ If an ATC or ATO is required, three (3) sets of plans, specifications, and design calculations, signed,
seated, and dated by a P.E. ATC and ATO requirements in NCG02000 are summarized in Table 1 on
Page 2 of this NO[ (see the permit text for more details). Plans shall show all pertinent design features,
including the location of the outfall(s). It stormwater is flowing off -site, the plan must show that stormwater
will not be mixed with wastewater,
Mail the entire package to:
Stormwater and General Permits Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Nye
The submission of this document does not guarantee the Issuance of an NPDES permit.
Page 6 of 7
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NCG020000 N.O.I.
For questions, please contact the DWO Regional Office for your area.
OW"o—clonal Office Contact Information:
Asheville Office ......
[phone]
Fayetteville Office ...
[phone]
Mooresville Office ...
[phone]
Raleigh Office ........
[phone]
Washington Office ...[phone]
Wilmington Office...
[phone]
Winston-Salem ......
[phone]
Central Office .........(919)
807-6300
Page 7 of 7
SWU-217.071408 Last revised 7/14108

BLUE RIDGE ENGINEERING PLLC
529 Main Street Phone: [phone]
North Wilkesboro, NC 28G59 Fax: (33G) 838-4179
April 16, 2009
Judy Wehner
NCDENR, Division of Land Resources
Land Quality Section
1612 Mail Service Center
Raleigh, NC 27699-1612
Ref: Mathis Quarries, Inc.
Mining Permit Plan Revisions
Dear Judy,
This letter is in response to the comments we received from your office on March 24, 2009, and
are revised below per your respective comment number.
Enclosed you will find the following for the Mathis Quarries, Inc. site located on Cove Creek
Drive in Wilkes County, NC.
- Two (2) copies of the revised Mine Plan Sheets
- Two (2) copies of Erosion Control Ditch Calculations
1. Attached are copies of the signed return receipts from certified mail, that the adjoining
landowners and county manager have been properly notified. The return cards for Ms.
Love and Mr. Newman/Ms. Perkins are unsigned, but we have proof via receipt from
the post office that they were sent
2. Fishing Creek is located approximately 2.7 miles northwest of the subject site. We
have shown a 50 foot Land Disturbance and Natural Watercourse Undisturbed Buffer
along the Unnamed Tributary of Fishing Creek and revised the seeding specifications
per the USFWS comments. The revised buffers are shown on plan sheets Q-2
through Q-5.
3. These acreages have been clarified on the Plan Sheets Q-2 through Q-5, along with a
revised Mining Permit Application, Sheet 5-Affected Acreage.
4. Proposed diversion ditch calculations based -on a minimum 10 year 24 hour and 25
year 24 hour storm event are attached.
5. Revised elevations for sediment basin #2 shown on Erosion Control — Phase 2 (Q-4).

6. The stone washing process will be utilizing the existing farm pond located east of the
stockpile area as a water source. A small submersible pump and moveable discharge
hose will be used to carry water to the processing area.
There are no existing wells within 300 feet of the proposed operation. The Britt F.
Mathis and Billy & Maggie Mathis residences utilize springs for water supply. Crushed
stone intended to be washed will be fed directly from the crusher plant into a Trio
Engineered Products Coarse Material Washer, or comparable equipment (see attached
specifications sheet). The washer unit will be operated with electric power. Tailings
will flow directly into the tailings basin. See plan sheets Q-2 through Q-4.
7. A cross section of the hghwall, including bench widths and spacings, and a cross
section of the final reclamation of the site are included in the Erosion Control Details
(Q-6, Q-7). See "Typical Cut/Fill Slope Grade" and "Typical Highwall/Hardrock
Excavation" details on Sheet Q-6, and "Final Reclamation and Highwall Cross -
Section" detail on Sheet Q-7.
8. There will be no permanent storage areas for overburden on the site, since it will only
be stored temporarily. Overburden will be temporarily stored in the waste area until it
can be re -spread or hauled off -site.
The C values provided in the Erosion Control Analysis and Report submitted on
February 20, 2009 were based on the NCDENR Erosion and Sediment Control
Planning and Design Manual — Table 8.03b Value of Runoff Coefficient (C) for
Rational Formula. A weighted average was calculated for the proposed Land Use for
each drainage area. We feel that these calculations are accurate. Enclosed is a copy of
the design manual and table 8.03b.
10. The location of the tailings basin is shown on sheets Q-2 through Q-4. Details for the
construction of the tailings basin are shown on sheet Q-7.
11. Clarification of the basin details, baffle locations, and specifications are shown on
sheet Q-7. Baffle spacing is specified on the details and in the revised Erosion Control
Analysis and Report.
Please review at your earliest convenience and let me know if any additional information is
required. You can reach me on my mobile phone anytime at 336-927-7666, or in the office at
336-838-2500.
Sincerel ,
7 1 /�
Tom Kutz, PE
Senior Project Manager, Blue Ridge Engineering
CA hMr 4%M+.5

L
BLUE RIDGE ENGINEERING PLLC
529 Main Street Phone: [phone]
North Wilkesboro, NC 28659 Fax: [phone]
May 21, 2009
Judy Wehner
NCDI3NR, Division of Land Resources
Land Quality Section
1612 Mail Service Center
Raleigh, NC 27699-1612
Ref: Mathis Quarries, Inc.
Mining Permit Plan Revisions
Dear Judy,
']'his letter is in response to the comments we received from your office on May 19, 2009, and are
revised below per your respective comment number.
I-�nclosed you will find the following for the Mathis Quarries, Inc. site located on Cove Creek
Drive in Wilkes County, NC.
- Two (2) copies of the revised Mine Plan Sheets
- Two (2) copies of the Newman and Perkins certified mail return notice.
Attached are copies of the return receipts from certified mail for Mr. Newman/Ms.
Perkins which are unsigned, but we have proof via receipt from the post office that
they were sent.
2. The buffers have been revised to read undisturbed, not unexcavated
3. Ditch sizing specifications and liner types have been added to Sheet Q3.
4. A temporary high wall barrier (chain link fence) is shown on Sheet QG.
5. A construction detail of the tailings pond is shown on Sheet Q7.
6. The vertical rock faces on the high wall will remain exposed. See revised "Final
Reclamation and high Wall Cross Section" detail, Sheet Q7.
7. Details and specifications of the anti -flotation block are shown on Sheet Q7.

Mr. Mathis does not wish to resubmit a reclamation bond, he is comfortable with the $l 50,000
surety bond which was previously submitted.
Please review at your earliest convenience and let me know if any additional information is
required. You can reach me on my mobile phone anytime at 336-927-7666, or in the office at
336-838-2500.
Sincerely,
J, 0,5,;"
Jon C. Swaim
Biologist, Blue Ridge I�ngineering
cc: Bart Mathis
Job rile 8062