NCG020936_NOI Application_20180919

IA&Efl ADAMS &. NODGE
ENIG11MEERINIG, PC
August 8, 2018
Stormwater Permitting Program
Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, NC 27699-1612
Subject: NCG02 — Notice of Intent
McBryde Farm Pit
Johnston County
Please find a NCG02 Notice of Intent for a stormwater permit, 2 set of plans, Engineers calculations,
other information requested in the application and a check in the amount of $100 for the review fee.
Please copy my office with any comments or questions regarding this project.
If you have any questions or comments, please give me a call at 919-369-1938 or email to
andrew(a),adamsandhod eg com .
Sincerely,
Andrew W Hodge, PE
ADAMS & HODGE ENGINEERING, PC • 314 East Main Street, Clayton, NC 27520 • 919-369-1938 / 919-763-7278 • Firm # C-4187

Division of Energy, Mineral and Land Resources /
Land Quality Section — Stormwater Permitting Program
National Pollutant Discharge Elimination System
NCG020000
NOTICE OF INTENT — General Permit Application
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG020000:
STORMWATER AND/OR WASTEWATER DISCHARGES associated with activities classified as:
SIC (Standard Industrial Classification) Code - 14XX Mineral Mining Industry (except as specified below) and
like activities
The following activities are 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 (VMA) 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 concrete
operations;
Stormwater discharges associated with oil and gas extraction operations; and
Stormwater discharges associated with tourist gem mines
NCDOT borrow pits (covered under individual permit NCS000150)
The following discharges are covered by NPDES general permit NCG520000 instead of NCG020000:
Point source discharges of stormwater and wastewater from in -stream sand mining operations (sand dredging
or dipping operations) are covered instead by NPDES General Permit NCG520000, administered by the Division
of Water Resources NPDES Wastewater Permitting Program. Please contact DWR for more information.
Please print or type all entries in this application form-
1) Mailing address of owner/operator (official address to which all permit correspondence will be mailed):
Legal Owner Name Matthew Sand and Gravel. Inc.
(Attach the most recent Annual Report to the NC Secretary of State showing the current legal name of the corporation or entity.
Alternatively this permit can be given to an individual or government authority. This name must be the same name as appears on the
Division of Energy, Mineral, and Land Resources' Mining Permit.)
Signee's Name (as signed for in question 41. at end) Wade Eason
Street Address PO Box 2151
City Smithfield State NC _ ZIP Code 27577
Telephone No. 919-934-9941 E-mail andrewsgpl5(5amail.com
Alternate Contact Name* Shane Eason E-mail (if different)
Alternate Contact Telephone (if different)
*Alternate contact should be affiliated with the OwnerlOperator. Consultant information can be provided
in question 5.
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2) Location of facility producing discharge:
Facility Name MCBrvde Farm Pit
Facility Street Address Williford Rd. (SR2200)
Facility City Princeton State NC _ ZIP Code 27569
Facility County Johnston
Facility Contact Wade Eason
Telephone No. 919-934-9941 Fax:
Contact E-mail andrewsgp09t7a.gmail.com
3) Physical Location Information:
Please provide a narrative description of how to get to the facility (use street names, state road numbers, and
distance and direction from a roadway intersection). From Stricklands Crossroads Rd, turn rt. On Devils
Racetrack Rd., left onto Westbrook Lowgrounds Rd., rt. onto Bentonville Rd., left onto Harper House
Rd., left onto Richardson Bridge Rd., turn rt. onto Willifor Rd
4) Facility Location Coordinates:
Latitude 35.34870 N Longitude-78.18195 W (degrees / minutes / seconds or decimal
degrees)
5) Consultant Information (if applicable):
Consultant: Andrew Hodge, PE
Consulting Firm:
Mailing Address:
City: Clayton
State: NC
Zip Code: 27520
Phone: [phone] Fax: (_)
E-mail:
Permits:
6) This NPDES Permit Application applies to which of the following:
0 New or Proposed Facility
❑ Existing
7) Standard Industrial Classification:
-Date operation is to begin: ASAP
Date began mining:
(Optional)
Staple Business Card Here
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial
activity at this facility SIC Code: 1 4 3 5
8) Provide a description of the types of minerals mined at this facility: SAND
9) Is this a PROCESSING -ONLY facility for materials mined elsewhere?
RI No ❑ Yes
10) Is this an inactive mine site?
0 No
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❑ Yes If yes, have you certified to the Stormwater Permitting Program that all portions of the site where
clearing, grading, and/or excavation activities have occurred have been stabilized?
❑ No ❑ Yes (If yes, the site may be eligible for "Dormant Status" and reduced BMP
inspections. See the General Permit.)
11) Does this facility already have a valid Mining Permit from DEMLR's Land Quality Section?
Q No If no, please indicate the status of the Mining Permit application: REVIEW
❑ Yes If yes, please provide the Mining Permit number: Also provide a copy of
the DEMLR Mining Permit with this NPDES application.
12) Does this facility have any other NPDES permits?
Q No
❑ Yes If yes, list the permit numbers for all current NPDES permits for this facility:
13) Are you applying for a discharge permit in the same location as a previously permitted mine?
Z No
❑ Yes If yes, specify permit number and mine name if known:
14) Does this facility have any Non -Discharge permits from DWR (e.g., recycle permits)?
Q No
❑ Yes If yes, list the permit numbers for all current Non -Discharge permits for this facility:
15) Does total area of this mine site include ready -mixed concrete plant and/or asphalt plant areas?
2 No
❑ Yes If yes, do they have separate NPDES stormwater permits? ❑ No ❑ Yes (provide permit
number(s)
If not owned by the same company, who is the owner?
Development Activities and Buffers:
16) Will this mining operation precede development activities at this site?
✓Q No
❑ Yes
17) Is this mine located within one of the 20 Coastal Counties, and will it add more than 10,000 ft2 of
impervious surface?
❑ Yes (to both)
❑ No, this mine site IS in one of the 20 Coastal Counties but will NOT add 10,000 ft2 of impervious
surface.
21 No, this mine site is NOT in any of the 20 Coastal Counties.
If this site is in one of the 20 Coastal Counties, you may be required to apply for an additional State
Stormwater Permit. Check with your local Regional Office (see contact information and checklist
below).
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18) Is this mine located the Neuse, Tar -Pamlico, or Catawba River Basins, or the Randleman or Jordan
Water supply Watersheds?
❑ No
RI Yes If yes, what size stream buffers are included on site? 50 ft. You must show buffers on site
plans. Also include information and plans showing diffuse flow through buffers as required.
Discharge Points, Receiving Waters & Wetlands:
19) Receiving waters:
What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater
and/or wastewater discharges will end up in? Neuse River and Mill Creek
To find the waterbody, please see the "MAPS" tab on http://portal.ncdenr.org/web/wq for a map of NC
Surface Waterbody Classifications.
Receiving water classifications) for the waters: WS-IV NSWNVS-IV' NSW
If the site will discharge to a separate storm sewer system, name the operator of the separate storm sewer
system (e.g. City of Raleigh municipal storm sewer). N/A
Discharge of wastewater to receiving waters classified as WS-II through WS-V, or SA, must be
approved by the Division of Water Resources (DWR) or Division of Marine Fisheries (DMF). DEMLR
cannot grant coverage under NCG020000 without that approval. Also be advised that no new
discharges of wastewater are permitted in receiving waters classified as WS-1 or freshwater ORW.
Wastewater discharges to saltwater ORW will not be approved under General Permit NCG02 but may
be eligible for an individual permit.
20) Will this mine site discharge wastewater or stormwater to waters classified as High Quality Waters
(HQW), Primary Nursery Areas (PNA), Trout jr) waters, or a class with a symbol like "+" or "@" that
denotes a special management strategy is in place?
® No ❑ Yes, HOW* ❑ Yes, includes 4" or
❑ Yes, PNA* ❑ Yes, Trout jr)
21) Will this mine site discharge wastewater or stormwater to waters classified as Shellfish (SA) waters?
❑X No
❑ Yes, SA*
*For questions 19-20, be advised that the NCG02 General Permit limits the discharge volume of total combined
wastewaters to 50 percent of the receiving water in -stream flow under 7Q10 conditions in HOW waters (PNA and
SA waters are considered HQW by definition). You may be required to contact USGS to obtain a 7Q10 flow.
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22) Will this mine site discharge wastewater or stormwater to impaired waters, or to waters with an
approved "Total Maximum Daily Load" (TMDL)?
To find impaired waters, please see the "Impaired Waters" map on the "MAPS" tab on
hftp://portal.ncdenr.org/web/wq.
To find approved TMDLs in North Carolina, please see DWR's Water Planning Section website:
http://portal.nedenr.org/web/wq/ps/mtu/tmdl/tmdls.
❑ No
A Yes, these waters are impaired for (list pollutants): Fecal Coliform (Recreation), Copper
❑O Yes, these waters have a TMDL for (list pollutants): Nitrogen
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23) List discharge points (outfalls) that convey discharge from the mine site (both on -site and off -site) and
location coordinates. Attach additional sheets if necessary, or note that this information is specified
on the site plan. Include proposed maximum daily flow rate for each wastewater outfall.
You must show all discharge points clearly on the submitted site plan. Be advised that NCDEQ may
require you to apply for an individual permit, based on proposed discharge rates and receiving stream
conditions (low flows, impairments, etc.)
Stormwater
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Stormwater Outfall No.
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Mine Dewatering
Mine Dewatering (Wastewater) Outfall No.
Proposed maximum flow rate:
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Mine Dewatering (Wastewater) Outfall No.
Proposed maximum flow rate:
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Process Wastewater
Process Wastewater Outfall No. Wastewater Description:
Proposed maximum flow rate:
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
Process Wastewater Outfall No. Wastewater Description:
Proposed maximum flow rate:
Latitude (degrees/minutes/seconds or decimal degrees):
N
Longitude (degrees/minutes/seconds or decimal degrees):
W
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24) Help us understand what will happen to the dewatering water at this mine site:
❑ N/A — this mine is not dewatering at all and will not dewater in the future.
a) Will this mine be dewatering and discharging to waters of the state? (Answer only if dewatering)
® No
❑ Yes If yes, where to? ❑ Surface Waters and/or Wetlands (on -site or off -site)
❑ Other (on -site or off -site) Describe:
b) Will this mine be dewatering but not discharging to waters of the state? (Answer only if dewatering)
❑ No
® Yes If yes, explain how you are dewatering, and where that water will be directed: Basins are
designed to non -discharge stormwater control specs, see attached calculations.
25) Are there wetlands or surface waters within 400' of the mine pit perimeter?
❑ No
® Yes If yes, what distance are they from the mine pit perimeter? 50 feet.
26) Will mining operations require dewatering near wetlands or other waterbodies, and will dewatering
potentially impact any wetlands or other waterbodies?
❑ No, dewatering will not occur near (within 400') of wetlands or other waterbodies (e.g., streams, lake, etc.)
®Yes, dewatering will be near wetlands or other waterbodies
*Put boundary width sufficient as to not impact wetlands. See attached Skagg Method Calculations.
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
a Pumping Operation and Monitoring (POM) Plan that has been approved by the Department.
For sites that may drain wetlands — approval of a POM Plan may be required prior to coverage under
this permit. The POM Plan should be submitted to the appropriate Regional Office and in all cases must be
approved prior to operation.
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. See checklist at the end of the
application. Contact the Regional Office for questions specific to your mine.
27) Have you been required to obtain 4041401 Certification permits?
®No
❑ Yes If yes, please briefly describe below (include information such a required mitigation, BMPS,
setbacks, and/or O&M plans for on or off -site wetlands or other pertinent information). Attach other sheets as
necessary:
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28) Have you been required to obtain a wetland delineation certified by the US Army Corps of Engineers?
❑ No M Yes If yes, please attach to application submission. See enclosed Corps. Of
Engineers Report.
Stormwater BMPs and Vehicle Maintenance:
29) Does this facility employ best management practices for stormwater control?
❑ No ©Yes If yes, please briefly describe: Basins, temporary diversion ditches, and silt
fences have been designed to handle stormwater.
30) Does this facility have a Stormwater Pollution Prevention Plan?
❑No ❑ Yes If yes, when was it implemented? One will be implemented once permit is
31) Are vehicle maintenance activities (VMA) occurring or planned at this mine site?
Z No ❑Yes, If yes, will VMA area runoff discharge into the wastewater treatment system(s)?
❑ No, VMA runoff will discharge separately through a stormwater outfall
❑ Yes, VMA runoff will drain back to the mine pit or other wastewater system
Wastewater Treatment Facilities:
32) Will mine dewatering occur? (Yes, we are asking about dewatering again.)
❑ No
❑X Yes If yes, will the mine discharge this water? No
33) Will this facility wash mined materials?
❑ No
Z Yes If yes, will the mine discharge this water?
34) Will discharges of process wastewater treatment systems occur (including possible recycle system
overflows)?
© No
❑ Yes If yes, describe what kind of systems:
35) Will this facility employ chemical additives to flocculate suspended solids?
®No
❑ Yes If yes, provide the name, manufacturer, and the quantity of average daily usage of the chemical
additive (if known):
Note: Please see our website for a list of evaluated polyacrylamide (PAMS) products for use in North
Carolina: http://portal.ncdenr.org/web/Ir/construction-stormwater
36) Will any of the wastewater treatment facilities at this mine overflow only during rainfall events that
exceed the 10-yr, 24-hr rainfall event?
❑ Yes If yes, which treatment systems are those?
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0 No, all wastewater treatment facilities will discharge more frequently (i.e., during smaller rain events)
37) Are wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain?
0 No
❑ Yes
38) A WaSteWater treatment alternatives reviewis required by 15A NCAC 2H.0105 (c)(2)
11� for any new or expanding water pollution control facility discharges in North Carolina. You may
attach additional sheets. List the types of wastewater this mine site will discharge:
X Mine Dewatering Site not discharging. See 24(b)
X Process Wastewater (such as washing or recycle system overflows, other mining activity wastewater)
a) What wastewaters were considered for this alternatives review? X Dewatering X Process WW
b) Connection to a Municipal or Regional Sewer Collection System:
i) Are there existing sewer lines within a one -mile radius? ..................................... ❑ Yes X No
(1) If Yes, will the wastewater treatment plant (WWTP) accept the wastewater? .... ❑ Yes ❑ No
(a) If No, please attach a letter documenting that the WWTP will not accept the wastewater.
(b) If Yes, is it feasible to connect to the WWTP? Why or why not?*
c) Closed -loop Recycle System (meets design requirements of 15A NCAC 2T .1000):
i) Are you already proposing a closed -loop recycle system (CLRS)? ......................... X Yes ❑ No
(1) If Yes, for what type of wastewater at this mine site? 0 Dewatering N Process WW
(2) If No, is this option technologically feasible (possible)? Why or why not?*
(3) If No, is it otherwise feasible to build a CLRS at this site? Why or why not?*
(4) What is the feasibility of building a CLRS compared to direct surface water discharge?*
d) Surface or Subsurface Disposal System (e.g., spray irrigation):
i) Is a surface or subsurface disposal technologically feasible (possible)? ..................... ❑ Yes ❑ Nc
Why or Why not?* N/A
ii) Is a surface or subsurface disposal system otherwise feasible to implement?*............ ❑ Yes ❑ No
Why or Why not?* N/A
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iii) What is the feasibility of employing a subsurface or surface discharge as compared to a direct
discharge to surface waters?*
e) Direct Discharge to Surface Waters: Is discharge to surface waters the most environmentally sound
alternative of all reasonably cost-effective options for the wastewaters being considered?*
❑ Yes ❑ No Non -Discharge Stormwater controls implemented.
f) If this review included all wastewater discharge types, would excluding some types (e.g. mine
dewatering) make any of the above non -discharge options feasible for some of the wastewaters?
❑ Yes ❑ No Non -Discharge Stormwater controls implemented.
* Feasibility should take into account initial and recurring costs. You may be asked to provide
further information to support your answers to these questions after the initial review.
Other:
39) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
0 No ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
0 No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of
hazardous waste?
0 No ❑ 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:
40) Is your facility providing appropriate secondary containment for bulk storage of liquid materials? (See
permit text for secondary containment requirements.)
❑ No
❑X Yes
41) Does your site have an active landfill within the mining permit boundary?
0 No
❑ Yes If yes, specify type: ❑ LCID (Land Clearing and Inert Debris) ❑ Other:
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Final Checklist:
Ino' This application will be returned as incomplete unless all of the following items have been included and
initialed for. Please show that the following required information has been included by initialing in each
space below.
❑x Fee of $100 made payable to NCDEQ.
❑x Completed application and all supporting documents.
❑ Copy of the valid approved mining permit (MP) for the facility or indication of MP application status.
0 Copy of a county map or other general location map that shows the mining site and nearest major roads.
0 Copy of USGS topographic map showing the mining site and surrounding areas, or other map that clearly
shows site location in relation to nearby streams, wetlands, and other waters, etc.
0 2 copies of large-scale (minimum 24" x 36") site plan with topographical lines with all outfalls,
applicable buffers and wetlands clearly delineated, receiving waters, and 100-year flood plain line if
applicable.
0 A copy of your US Army Corps -approved wetland delineation if you marked "yes" to question 27 above.
M A line drawing of the water flow through the facility or block flow diagram. A pictorial description of the
nature of any sources of water and any collection and treatment measures.
N/A If mine site is in one of the 20 Coastal Counties:
• Applicant has checked with the appropriate regional office to verify the need for a Coastal State
Stormwater permit. Indicate the Regional Office Contact:
• Applicant has included a detailed list of impervious surface areas and percentages, sub -drainage
-OR-
areas, and total drainage area.
If the mine is dewatering and near wetlands, or may otherwise impact surface waters or groundwater,
include the following and contact your local regional office about a Pumping Operation and
Monitoring (POM) Plan. An approved POM plan may be required prior to NCG02 issuance.
2 copies of detailed Full Size Plans (at least 24" x 36") delineating areas on the plans and listing
acreage (including: wetlands, ditches, well -placements, pits, borrow areas, overburden storage,
stormwater controls/BMPs, vehicle maintenance areas, settling basins, product process (such
as screening, stockpiles, waste piles), total drainage area, impervious surface percentages (if
state SW programs apply), applicable buffers, and access and/or haul roads).
Pump dewatering size and information on its specifications.
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.
Cone of influence calculations.
Description of measures to prevent erosion and flooding.
Description and information about 401/404 permits that have been obtained.
Copy of US Army Corps of Engineers wetland delineations or approved wetland delineation (if
applicable).
I have contacted my local regional office about a POM Plan.
Regional Office Contact:
Date contacted:
will not impact any nearby wetlands, surface waters, or groundwaters by dewatering.
Certification: North Carolina General Statute 143-215.6 b (i) provides that:
Any person who knowingly makes any false statement, representation, 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
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RKeIiyZiI�IiIil�i�l
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).
41) Signatory Requirements (per40 CFR 122.22)
All applications, reports, or information submitted to the Director shall be signed and certified.
a. All notices of intent to be covered under this General Permit shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this permit, a responsible corporate officer means: (a) a president,
secretary, treasurer or vice president of the corporation in charge of a principal business function, or any other person who performs similar
policy or decision making functions for the corporation, or (b) the manager of one or more manufacturing production or operating facilities
employing more than 250 persons or having gross annual sales or expenditures exceeding 25 million (in second quarter 1980 dollars), if
authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
(2) For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or
(3) For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official.
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.
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 erson Signing: Wade Eason
Title:
(Signature of Applicant) ate Signed
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to NCDEQ.
Mai[ the entire package to:
Stormwater Permitting Program
Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Note
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The submission of this document does not guarantee coverage under the NPDES
NCG02 General Permit. Upon review of the submittal, the Division may
determine that coverage under an individual permit is more appropriate. Also be
advised that renewed and continued coverage under NCG02 may be dependent
upon the permittee's compliance success and/or status of the receiving waters.
For questions, please contact the DEMLR/Land Quality Section Regional Office for your area.
DEMLR/Land Quality Section Regional 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)
707-9220
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ENGINEERING
CALCULATIONS
FOR
McBRYDE
FARM PIT

McBryde Pit
Dewatering Basin to act as a "non -discharge stormwater control"
If the basin can handle the 25yr storm event and regain capacity within 5 days it will meet the
criteria. (see attachment)
The dewatering basin will receive flow from the pumps (77,400 gpd or 0.12 cfs, see attached
calculations) as well as surface water (4.85 ac or Q25 = 8.74cfs, see attached calculations)
A 40' X 80' X 3' dewatering basin is proposed. The surface area and volume are greater than
that required for a dewatering basin sized for these proposed pumps (required 20' X 40' X3' see
attached "dewatering basin design" worksheet)
The attached calculations show that this dewatering basin will also act as a "non -discharge
stormwater control", because the volume and surface area is large enough for the Q25yr storm
event plus flow from the dewatering pumps and the time to drain is less than 5 days.
Attached are specifications and information the client provided pertaining to the dewatering
pump that will be used at the site. The client also provided hours of operation. See below
7AM — 5PM = 10hrs @ 80 gpm = 48,000 gallons
5PM — 7AM = 14hrs @ 35 gpm = 29,400 gallons
77,400 gallons per day or 0.12cfs

Permit No. NCG020000
and process areas. Analytical monitoring for stormwater discharges shall he performed for
parameters as specified in Tables 1 through 3. All analytical monitoring shall be performed
during a representative storm event as defined below.
Monitoring Exemption
Analytical monitoring is not required for any basin or pond designed to contain the 25-year, 24-
hour storm (see Part Vil, Definitions) without discharging, and that can regain capacity to hold such
an event within five (5) days' time through means other than discharge to surface waters. A basin
or pond that meets this provision is considered a non -discharging stormwater control.
Table 1. Analytical Monitoring Requirements for Stormwater Discharges from Mining
Activities
Discharge
Characteristics
Units
Measurement
Frequencyl
Sample
EiMe2
Sample
Location3
Settleable Solids
MI/1
Semi-annual
Grab
SDO
Total Suspended Solids
rn 1
Semi-annual
Grab
SDO
Turbidity4
NTU
Semi-annual
Grab
SDO, or U,D`f
Total Rainfa115
inches
Semi-annual
--
--
Event Durations
minutes
Semi-annual
Estimate
--
Total Flow6
MG
Semi-annual
Estimate
SDO
Footnotes
1. Measurement Frequency: Twice per year during a representative storm event as defined for this permit.
Failure to comply Vi e i-gULUal monitoring in accordance with permit six-month
monitoring_ periadimmediately triggers monthly moniitoringfor the remaining ermit term.
2. Grab samples shall be collected within the first 30 minutes of discharge. For sites where multiple outfalls
are separated by distances that preclude collection within 30 minutes of each discharge event is not
feasible, begin collection procedures within 30 minutes and continue until all outfalls with discharges are
sampled. Documentation explaining why it was not possible to take samples within the First 30 minutes
must be kept in the SPPP.
3. Sample Location: Samples shall be collected at each stormwater discharge outfall (SDO) unless
representative outfall status (ROS) has been granted and documented by the Division of Water quality. A
copy of the letter granting ROS shall be kept on site.
4. Turbidity may be monitored at the Stormwater Discharge Outfall. Alternatively, the permittee may
choose to monitor turbidity in the receiving water, directly upstream and downstream of the stormwater
discharge outfall(s),
S. For each sampled representative storm event the total precipitation must be recorded. An on -site rain
gauge or local rain gauge reading must be recorded.
6. Total flow shall be: (a) measured continuously, or (b) calculated based on the amount of area draining to
the outfall, the amount of impervious area, and the total amount of rainfall, or (c) estimated by the
measurement of flow at 20 minute intervals during the rainfall event. Total rainfall precipitation and
duration of the rainfall event refers to the representative storm event sampled.
All analytical monitoring shall be performed during a representative storm event at each
stormwater discharge outfall (SDO). The permit allows the permittee to monitor turbidity at the
SDO or up- and downstream of the SDO; however, the permittee should consider regular turbidity
sampling up- and downstream of the discharge(s) when feasible to ensure compliance with water
quality standards.
Part Ill Page 5 of 16 Pages

Dewatering Basin Design *items in red are inputs
Version 2.27.09
fie Eats ulna &! 1 ie wwrow pit .dewatering 155715 will het iced an ea 2 hour retenttnn turue. U uAg
fie. forroula V-= 8,0203 * Q * t wh€'re, V its volume if) Cubic feet; Q is the pump rrto in gallons pee'
minute (GPM), and t is the retention time in hours. The pump, gate is not to exrye d 1,000 t4PM
601000 Gpt .
STEP 1: Input required variables
Pump Rate: 13a GPM
Retention Time: ?, hours
Required Volume: 1363.451 W
the volume of the borrow pit ds W,1tQrinst
basin will be based on a 2 hour retentlora
time. "Tine pump fate $hall not exceed
A,000 GPM (60,000 GPtt). The contractor
may 4evire a greater retention titian for
managlog turbidity; however, world
'Issociated with this increased volume will
I e considered Incidental.
STEP 2: Design of the Dewatering Basin
Final Required Volume: 1363.451 ft'
Design Depth: 3 `not to exceed 3 feet
Proposed Basin Side Slopes: 2.0 :1 side slopes *must beat least 1.5:1 or flatter
OPTIONS
2:1 (L:Kg
3:1 (L:W)
Suggested Top Width (ft):
16
13
Suggested Top Length (it):
32
39
Final Design Top Width (ft),.
17
Final Design Top Length ft):
40
51
Final Design Depth (ft):
3
3
Verify Storage (ft)
1464.00
OK
1521.00
OK
i lrseica+rJaterinal bitsin shall he ci��xlrte>.i iri at:Gtrrd�tiatn� bvi1h ttte urJt3+s�,+ i'ic
13t?�vEetbv iir� tip .iri rsrtaiil A1i;t���Jin€�.
Comments:

/`// // Ij r �5-eo .zv= C - S c�sc
72l
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"I

154
AV `' 3 Soil Survey
TABLE 15.--PHYSICAL AND dkMMICAL PROPERTIES OF THE SOILS
(The symbol < means less than: > means more than. Entrs a under "Erosion factors--T" apply to the entire
profile. Entries under "Organic matter" apply only o the surface layer. Absence of an entry indicates
that data were not available or were not estimated)
I I
Soil name and IDepthl
map symbol I I
I I
Clay
I I
I Moist (permeability
I bulk I
I density I
_- I I I srosion �
Available) Soil (Shrink -swell I factors I
I water Ireactionl potential I I
icapacity I I I R I T
Organic
I matter
I
I In I
Pet
I g/cc I
In/hr
I In/in I PE
I I I
I Pct
AAA--------------1 0-111
10-20
11.30-1.501
2.0-6.0
10.12-0.2013.6-6.5
ILOw---------- 10.241 5
I .5-3
Altavista I11-471
18-35
11.30-1.501
0�
10.12-0.2013.6-6.0
ILcw---------- 10.241
1
fay-Ml
I I
___
I __ I
I I
I ___ I ___
I I
I_____________ i____I
I
i
AmB-: I I
Appling----- ---- 1 0-101
5-30
1 I
11.45-1.651
2.0-6.0
I I
10.08-0.1314.5-6.5
I I I
(Low ---------- 10.151 4
I
1 .5-2
110-611
35-60
11.25-1.451
0.6-2.0
10.15-0.1714.5-5.5
(Low ---------- 10.281
1
161-961
20-50
11.25-1.451
0.6-2.0
10.12-0.1614.5-5.5
ILow---------- 10.281
I____I
1
I
I_____________
I I I
I
I I
Marlboro -------- 1 0-8 1
5-20
I I
11,30-1.601
2.0-6.0
I I
10.09-0.1414.5-6.5
ILOW ---------- 10 201 5
1 .5-2
1 e-481
35-65
11.20-1.501
0.6-2.0
10.14-0.1814.5-6.0
(Low ---------- 10:201
1
140-701
30-60
11.20-1.501
0.6-2.0
10.12-0.1814.5-6.0
ILow---------- 10.201
1 1 1
1
1
1 1
ASA-------------- 1 0-111
5-20
1 1
11.40-1,701
2.0-6.0
1 1
10.10-0.1514.5-6.0
(Low ---------- 10.201 4
1 .5-2
Augusta 111-431
20-35
11.35-1.601
0.6-2.0
10.12-0.1814.5-6.0
(Low ---------- 10.241
1
1
143-601
___
1 ___ i
0.6-20.0
1 -__ I ___
I_____________ I____I
I I I
I
I I
AuA-------------- 1 0-221
2-10
I I
11,60-1.701
>6.0
I I
10.04-0.0914.5-6.5
ILOw---------- 10.301 5
1 .5-1
Autryville 122-311
10-25
11.40-1.601
2.0-6.0
10.08-0.1314.5-5.5
ILOW---------- 10.101
1
131-581
2-8
11.60-1.701
>6.0
10.03-0.0814.5-5.5
ILOw---------- 10.101
1
158-701
10-35
11.40-1.601
0.6-2.0
10.30-0.1514.5-5.5
ILOw---------- 10.171
1 1 1
1
1
1 1
Hb--------------- 1 0-231
2-18
1 1
11.25-1.551
0.6-2.0
1 1
10.12-0.1814.5-5.5
ILow----------10.201 5
1 .5-2
Bibb 123-601
2-18
11.30-1.601
0.6-2.0
10.12-0.2014.5-5.5
[LOW ---------- 10 371
1
1
1 1
BOA -------------- 1 0-521
1-7
1 1
11.30-1.601
6.0-20
1 1
10.03-0.0714.5-6.0
ILow---------- 10.101 5
I .5-1
Blanton 152-971
12-40
11.60-1.701
0.2-2.0
10.10-0.1514.5-5.5
[Low ---------- 10.201
1 1 1
1
1
1 1
BOA -------------- 1 0-281
2-8
1 1
11.30-1.701
6.0-20
1 1
10.04-0.0814.5-6.0
iLow ---------- 10.101 5
1 .5-2
Bonneau 128-531
13-35
11.40-1.601
0.6-2.0
10.10-0.1514.5-5.5
[Low ---------- 10.201
1
153-711
15-40
11.40-1.601
0.6-2.0
10.10-0.1614.5-5.5
ILow---------- 10.201
1 1 1
1
1
1 1
CeB-------------- 1 0-9 1
5-20
1 1
11.30-1.501
2.0-6.0
1 1
10.12-0.1414.5-6.5
ILO*+ ---------- 10.281 4
1 .5-2
Cecil 1 9-721
35-70
11.30-1.501
0.6-2.0
10.13-0.1514.5-5.5
ILow---------- 10.281
1 1 1
1
1
1 1
CeC-------------- 1 0-151
5-20
1 1
11.30-1.501
2.0-6.0
1 1
10.12-0.1414.5-6.5
ILow---------- 10.281 4
1 .5-2
Cecil 115-521
35-70
11.30-1.501
0.6-2.0
10.13-0.1514.5-5.5
ILOw---------- 10.281
1
152-601
___
I I I
1
I I
Ch--------------- 1 0-6 1
10-35
I 1
11.30-1.601
0.6-2.0
I I
10.15-0.2414.5-6.5
]LOW ---------- 10.281 5
1 1-4
Chawacle 1 6-321
18-35
11.30-1.601
0.6-2.0
10.12-0.2014.5-6.5
ILow---------- 10.281
1
132-441
18-35
11.30-1.501
0.6-2.0
10.15-0.2414.5-7.8
ILow---------- 10.321
1
144-601
___
I
I
I I
COB, COC--------- 1 0-6 1
3-10
I
11.30-1.701
2.0-6.0
I
10.06-0.1014.5-5.5
ILow---------- 10.151 4
1 <1
Cowarts 1 6-341
25-40
11.30-1.501
0.2-2.0
10.10-0.1614.5-5.5
lLow---------- 10.281
1
134-691
18-35
11.45-1.751
0.06-0.6
10.10-0.1414.5-5.5
ILow---------- 10.241
i
1
1 1
DoA-------------- 1 0-101
5-10
1 1
11.35-1.501
2.0-6.0
1 1
10.09-0.1513.6-5.5
[Low ---------- 10.281 5
1 .5-1
Dogue 110-551
35-50
11.45-1.601
0.2-0.6
10.12-0.1913.6-5.5
(Moderate ----- 10.281
1
155-751
5-30
11.30-1.501
0.6-6.0
10.05-0.1413.6-5.5
)Low ---------- 10.17
1 1 1
1
1 1
rah -------------- 1 0-131
5-20
1 1
11,40-1.651
6.0-20
1 1
10,06-0,0914.5-5.5
ILow---------- 10.281 5
I , 5-2
Facaville 113-651
1 1
35-55
11.25-1.601
1 1
0.6-2.0
10.12-0.1814.5-6.0
1 1
ILow---------- 10.37
I
Sao footnote at end
of table.

:41
11141
3
9
I
WX10A4 • An excellent choice for homeowners,
gardeners and boat owners. Powered by Honda's
eaY-starting, 31cc mini 4-stroke engine, the WX1(
weighs only 15 lbs. and it can pumdaup to 40 gallc
per minute. This pump comes stanrd with a such
hose, strainer and garden hose coupler,
WX1OA4
Taal H®a M P=P CUW
100
90 M
8a ]8
TO
80 3S L
50 m
—
20'
10 9 f°
' 1 I
aw..y.daaa, Cav�communl
WN20A + Powered by Honda's 4 HP GC Series OHC
Premium residential engine. This pump features 2"
suction/ discharge ports, can ppump upp to 164 gallons
per minute and weighs only 40 lbs. 5trainer anhose
clamps included.
WNWA
TMI Heed Ta. Pualp Cugm1
alWn; Gv�a�IPaau�'mbml
Honda's 0cctfor m mini 4usttrly okertenlglneuwl11 pump up to
72 gallons per minute. Fuel effident and easy starting
the WXi 5 comes standard with hose clamps and strainer.
WX15
Tani Heed Pm ON ,
�a'+a a9mK W�sosa oat mKan
WN30A • Powered by Honda's 5 HP GC Series OHC
Premium residential engine. This pump features 3"
suction/ discharge ports, can ppump up to 290 gallons
Per minute and weighs only 461bs. Strainer and hose
clamps included.
WNWA
'Taml Heall vs. Pump Outpul
O�,Uvga VYKa/�mn�T mNNq
I .-

13
Table 8.03a
Value of Runoff Coefficient
(C) for Rational Formula
8.03.2
Land Use
C Land Use
C
Business:
Downtown areas
Lawns:
0.70-0.95 Sandy soil, flat, 2%
0.05-0.10
Neighborhood areas
0.50.0.70 Sandy soil, ave., 2.7%
0.10-0.15
Sandy soil, steep, 7%
0.15.0.20
Residential:
Heavy soil, flat, 2%
0.13-0.17
Single-family areas
0.30-0.50 Heavy soil, ave., 2-7%
0.18-0.22
Multi units, detached
0.40-0.60 Heavy soil, steep, 7°/,
0.25-0.35
Muhl units, attached
0.60-0.75
Suburban
0.25-0.40 Agricultural land:
Bare packed soil
Industrial:
Smooth
0.30-0.60
Light areas
0.50.0.80 Rough
0.20.0.50
Heavy areas
0.60-0.90 Cultivated rows
Heavy soil no crop
0.30-0.60
Parks, cemeteries
0.10.0.25 Heavy soil with crop
0.20-0.50
Sandy soil no crop
0.20-0.40
Playgrounds
0.20.0.35 Sandy soil with crop
0.10.0.25
Pasture
Railroad yard areas
0.20.0.40 Heavy soil
0.15-0.45
Sandy soil
0.05.0.25
Unimproved areas
0.10-0.30 Woodlands
0.05.0.25
Streets:
Asphalt
0.70-0.95
Concrete
0.80-0.95
Brick
0.70.0.85
Drives and walks
0.75-0.85
Roofs
0.75.0.65
NOTE: The designer
must use judgment to select the appropriate 0 value
within the range forthe appropriate land use. Generally, larger areas with
permeable soils, flat
slopes, and dense vegetation should have lowest C
values. Smaller areas with slowly permeable soils, steep
slopes, and
sparse vegetation should be assigned highest C values.
Source: American Society of Civil Engineers
The overland flow portion of now time may be determined from Figure 8.03a.
The flow time (in minutes) in the channel can be estimated by calculating the
average velocity in feet per minute and dividing the length (in feet) by the
average velocity.
Step4. Determine the rainfall intensity,frequency, and duration (Figures 8.03b
through 8.03g—source: North Carolina State Highway Commission; Jan.
1973). Select the chart for the locality closest to your location. Enter the
"duration" axis of the chart with the calculated time of concentration, T0. Move
vertically until you intersect the curve of the appropriate design storm, then
move horizontally to read the rainfall intensity factor,!, in inches per hour.
Step S. Determine peak discharge, 0 (fi3/sec), by multiplying the previously
determined factors using the rational formula (Sample Problem 8.03a).
(fJ-
S. 7,

V� _'54 '55 _ '56 757 158
o ccoon —
t7 Swamp
46
4 `y
-tic
y�
— 75
7 5 _
\
owILLIFOR RD
Illlll(�--
w

* * * DISCLAIMER
Johnston County assumes no legal responsibility for the information represented here.
` 2 ✓� �4l •� �� q c { ,•�•. Cr by F' _.� -'l c • � ;� r-. .,x. � �� {_.. t
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IFF
Scale: 1:12000 - 1 in. = 1000 feet
Johnston County GIS
�IJ, (The scale is only accurate when printed landscape on a 8 1/2 x 11 size sheet with no page scaling.) August 6, 2018

a
0
TR'A c h
NEIGHBOR (/
Text
GUIN —
V
l
Stewa s Chapel Pentecostal F.W.
G d
0170
Stewart
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Faith B. Chum
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Rock Holiness , umh
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PEACH ORCHARD Hickory Grove Desciples Church
7
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WRI.IAMS
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OLD
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Crossroads
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11,
Mr �i C rre e k
West e/n Asse�bly Disci I s of Ch OP ^ 0 r j
"01i IiwNlay.
3 Be o Py All Inset Maps <
Idea y 0�a ° scales and their
vFD a m North Arrow wil
m
m pt
WORLEY
C HAVEN IVIngt ZALTON
yam° KLAND CHUR H
GMSTO
ZO
F e a w sR
DEN a O
LO SMITHFIE "
rN 2 0q
0 Approximate Scale: one inch = 5,280 Feet
ogF%` or
0
1" = 1 Mile
Date: November 21, 2006
50 1 Reprinted: 1-17-07; 5-11-07: 10-14-08; 4-2-09; 5-10-12
4-12-13; 7-10-13: 7-22-14; 10-6-14
tl
Riverside FWB CFu`mba
4=
Q�
WILLIFORD
COX's Mill
Micro
M i c r o
01 ✓ .Fill
G
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Town of Micro
e Oak
°h
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lfi°h �e�lon
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9
Z� NORTH JOHNSTON MIDDLE

JOHN N COUNTY
O
� f -LIFO . =R SITE
SITE VICINITY MAP
NOT TO SCALE
DEVELOPER/APPLICANT:
MATHEW SAND & GRAVEL, INC.
P.O. BOX 2151
SMITHFIELD, NC 27577
CONTACT/AGENT: WADE EASON
919-934-9941
CALL 48 HOURS BEFORE YOU DIG
1-800-632-4949
CONSTRUCTION DRAWINGS
FOR
11 � :: 'lT
FAR
M PIT
IN
BENTONVILLE TOWNSHIP,
JOHNSTON COUNTY, NC
SHEET INDEX
SHEET TITLE
SHEET No.
MINEMAP.......................................................................................................................C1
RECLAMATION MAP......................................................................................................C2
EROSION CONTROL DETAILS.....................................................................................C3
NOT RELEASED FOR 1
CONSTRUCTION smi
0,0%,1411 HI'Opt <l
�'q Rp"
.24` �F�Ssf04�p yit �
SEAL
21094
:may fi
GINS
r►.
4691,
REVISED
8:35 am, Aug 09, 2018
" w=%J%RAS & HODGE
ENGINEERING, PC
314 EAST MAIN STREET
CLAYTON, NC 27520
919-243-1332 [e-mail]
FIRM # C-4187
McBRYDE
FARM PIT
BENTONVILLE TWP., JOHNSTON COUNTY, NORTH CAROLINA
AUGUST 09, 2018
NORTH CAROLINA ONE -CALL CENTER

JOHNS N COLIN
�p
W! =LIF • -it SITE
;• f Y -_
0
50' RIPARIAN
BUFFER
II / SUBJECT
N/F / PROPERTY BOUNDARY CO \
V
tCYX:
WEAVER LIPA
4643099
B��NF254800-25-0748
KI/PAGE:03180/0434
I 'ZONING: AR
SUBJECT PRO ERTY: �\ \ II ! I r ( L \ I I
MATHEW SAND &RAVEL, INC. I I \
� TAX: 4705 40 �
/ J / PIN: 254800-42 fV\ 6
ZONING. AR
VARIABLE WIDTH NATURAL
I ,
GAS EASEMENT
/ (DB4293, PG534)
A -
SUBJECT WETLANDS
SITE VICINITY/MAP PROPERTY BOUNDARY WETLANDS
� LIMIT
NOT TO SCAL I „_ �A\
I I I 50' UNDISTURBED BUFFER j / 1 ( // \\\ \\ \ / N/F
ADJACENT TO WETLANDS D & 5 LAND, LLC l i
V ( ) / � \�\ � � 4645047
Wq LANDS �IN.�254800 55-4344 � � � � �
BOOK/PAGE: 02002/0372 i
32g �4, // �� \ \\ ZONING: AR
MINE PERMIT 1 j --NON-WETLANDS /j x % / I \ 1 / \ I
\ \ BOUNDARYmay\ / / I
WETLANDS
\ / / LIMIT 30' ACCESS EASEMENT
/ / 1
\\ (DB4249, PG424)
WETLANDSA �� J
N/F 6.84, 1� • �� / / PIT /
�— S WETLAND
_K FARMS, INC I ^� �6' ��°4`
TAX.4703795 -- _ — — — \ — /� / i / �,< -7 / / / I
PIN: 254800-13 5823 / / ���-� � SILT FENCE NOT IN
6001PAGE 94526f0768- UNDISTURBED BUFFER /
ZONING: AR
/ 50 NATURAL GAS — �� i / O-
— EASEMENT
SEE NOTE 4
250' UNEXCAVATED
i
BUFFER LINE
-------------
SUBJECT
APPROX. LOCATION PROPERTY BOUNDARY
EARTHEN 70' & 20' NATURAL ! /
100 YEAR FLOODPLAIN BERM GAS EASEMENT
/ 2gp, l � ` l
PIT \ (DSEE NOTE 4 4)
50 INGRESS, EGRESS, AND 0
REGRESS EASEMENT BOUNDARY 50' RIPARIAN I �`
(PB69, PG49) \ o/ <n / PIT X _
s-�• `� � � BUFFER
/ OFFICE oA
/ _ \ 250' UNEXCAVATED _
/ \ BUFFER LINE �, \�\\ �j// / III 1 I ✓ 1,
--- — MINE PERMIT
--
BOUNDARY
STOCKPILE AND �DyrD \
sp, \ WASTEPILE Ord 1 WETLANDS
I
___ AREA
/ ® ` ZONING: 1-2-SUD
/ / AREA: ±106.28 ACRES
---- 1/YILLIFORD ROAD (SR 1200) A 6. o _, ?ss
— — — — — — N Q MOBILE PLANT AND
ACCESS GATE -PROPOSED BARRIER — �127'20" R / 06 ` PROCESSING
_ —
W � 3. 6 AREA �► O: / � /
WITH GATE INSTALLED HERE _ \ A2,-4 \ T"� F —�\ SUBJECT OPERR Y:
BEFORE EXCAVATION BEGINS DRAINAGE SWALE FROM ��� MATHEW S N � GRAYE INC.
HAUL CONSTRUCTION PROCESSING AREA TO ���T \ 1 J TAX:�1705740
I
ROAD ENTRANCE �� \92) O) DEWATERING BASIN duo / / PIN:Z048N AR
19,
am
\\ PA
DEWATERING �_D
� / � � � A _ BASIN
CATEGORY
AFFECTED ACREAGE
TAILING/SEDIMENT PONDS
0.09
STOCKPILES
1.21
WASTEPILE
0.10
PROCESSING AREA/ HAUL ROAD
0.82
MINE EXCAVATION
74.18
PERMIT BOUNDARY
106.28
FLOATATION DEVICE
1
SCREEN AROUND— ------�-1I-"
INLET OF SUCTION —III 11=" TYPICAL LAYOUT FOR
PIPE I 111, ,111="' FLOATING PICK UP OF
SUCTION PIPE FOR
DEWATERING PIT
NOTES:
• BEFORE ANY EXCAVATION CAN BEGIN, THE CONSTRUCTION ENTRANCE, SILT FENCE AND SILT FENCE
OUTLETS MUST BE INSTALLED.
• THE PIT BOUNDARY WILL ONLY BE CLEARED AS NEEDED, BEGINNING AT THE EAST SIDE AND WORKING
WEST. EACH TIME AN AREA IS CLEARED, TOPSOIL WILL BE STOCKPILED (USED TO COVER EXPOSED AREAS
WHEN A SECTION OF THE PIT IS COMPLETE). THEN THE SAND CAN BE EXCAVATED. THE WATER USED TO
WASH THE SAND WILL BE DRAINED TO A DEWATERING BASIN. THIS BASIN IS SIZED TO ACT AS "A
NON -DISCHARGING STORMWATER CONTROL".
• HAUL ROAD SHALL BE MAINTAINED BY TEMPORARY SEEDING AS NEEDED.
• THE LIMITS OF DISTURBANCE IS THE PERMIT BOUNDARY EXCEPT FOR THE 50, BUFFERS OF THE
WETLANDS AND NEUSE RIVER. THESE ARE "UNDISTURBED" BUFFERS.
• THE 100YR FLOOD LINE IS SHOWN AS APPROXIMATE ON THE MINE MAP.
• THERE ARE NO KNOWN WELLS WITHIN 500 FEET OF THE PIT.
• ALL BUFFERS ADJACENT TO THE WETLANDS SHALL BE CONSIDERED "UNDISTURBED"
EARTHEN �� A6 40x80x3 -
i
BERM
xAS Ate_
0,i
r _ �
ADJACENT TOWETLANDS I 11• /
250' UNEXCAVATED R 1 5 2. 4' ( ) ED BUFFER WETLAND
BUFFER LINE A91 . 76
N/F MINE PERMIT
DURWOOD GENE MARTIN BOUNDARY \ O` 6" APPROX. LOCATION /
PERMIT 100-YEAR FLOODPLAIN MINE
TAX.,4680�11?-_9
7 90 0 # - BOUNDARY ��� �/ �_
N 22554G800 1815N 30°0 30 W rn �, : /� GOB
E: 009 fft�:'AR3/0320
ZON 8.5 / �� 0��
N 24 3'5 W cn o s
SILT FENCE ��Cll
---- �r' OUTLETIr
SILT FENCE NOT l
UNDISTURBED BUFFER10
/
00 PIT
f /� I I
BOUNDARY
I '
r
o� -
2,
WETLANDS
/
,69 �E5 WETLANDS/0001
NON -WETLANDS
MINE PERMIT 7
BOUNDARY \ 1,
_ / SUBJECT
\WITLANpS•. � / J // PROPERTY BOUNDAR'
lool
NOT RELEASED FOR
CONSTRUCTION
CARq)%
���'�
SEAL
21094
REVISED
8:35 am, Aug 09, 2018
SEEDING SCHEDULE
LIME - 2 TONS/ACRE (3 TONS/ACRE IN CLAY SOILS)
FERTILIZER - 1000 LBS/ACRE - 10/10/10
SEED
TEMPORARY SEEDING
SUMMER - GERMAN MILLET, 40 LBS/ACRE
WINTER - RYE (GRAIN), 120 LBS/ACRE
PERMANENT SEEDING
K31 TALL FESCUE, 150 LBS/ACRE
MULCH - 2 TONS/ACRE - SMALL GRAIN STRAW
ANCHOR - ASPHALT EMULSION @ 300 GAL/ACRE
SITE INFORMATION
1. OWNER: MATHEW SAND & GRAVEL, INC.
P.O. BOX 2151
SMITHFIELD, NC 27577
2. APPLICANT: MATTHEW SAND & GRAVEL, INC.
P.O. BOX 2151
SMITHFIELD, NC 27577
3. PARCEL #: 254800-42-4276
4. COUNTY - JOHNSTON
5. PIT NAME: McBRYDE FARM PIT
6. TAX #: 4705740
7. TOTAL TRACT ACREAGE = ±255.01 AC
8. TOTAL ACREAGE FOR MINE PERMIT = ±106.28 AC
9. CURRENT ZONING: AR
10. ZONING IN ACREAGE FOR MINE PERMIT: 1-2-SUD
LINE
BEARING
DISTANCE
L1
N
17°00'05"
E
40.26'
L2
N
13*11'09"
E
47.71'
L3
N
10* 1 1 '20"
E
47.74'
L4
N
06°32'43"
E
48.45'
L5
I N
03-04'35"
E
46.24'
L6
N
00°32'56"
W
46.28'
L7
N
03°48'58"
W
48.28'
L8
N
Of 12'38"
W
46.77'
L9
N
1 1 *01 '26"
W
45.47'
L10
N
13°37'50"
W
44.96'
L11
N
17°09'48"
W
45.63'
L12
N
20-00'59"
W
45.90'
0
TYPICAL SECTION:
EARTHEN
BERM
10,
TYPICAL SECTION:
TOPSOIL & WASTE
STOCKPILE
1 MIN 1' DEPTH
4
3' WIDE
BOTTOM
TYPICAL DRAINAGE SWALE
( IN FEET)
1 inch =200 ft.
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AWH
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AWH
HORIZONTAL SCALE
SEE GRAPHIC SCALE
VERTICAL SCALE
NA
DATE
0810912018
JOB NO.
AH-
SHEET
C1

JOHN N COUNT
v
SITE
-LIF© -R..
RO
SITE VICINITY/MAP
NOT TO SCAL
/
\
N/F
K FARMS, INC
TAX:4703798
PIN:254800-13-5823
BOOK/PAGE: 04526/0768
ZONING: AR
\
EARTHEN
BERM
i
I
ZONING: AR \ \ \
VARIABLE WIDTH NATURAL
GAS EASEMENT\WETLANDS
\
(DB4293, PG534)
WETLANDS A
\ N/F
/ D & P LAND, LLC i
\ TAX:4645047 �
/� / // \ \ PIN: 254800-55-4344
BOOK/PAGE: 02002/0172 /
ZONING: AR /
/ I
—NON-WETLANDS
1
WETLANDS
-------------
SITE LEFT
AS A
30' DEEP
POND /
70' & 20' NATURAL
GAS EASEMENT
10' DEEP / / / / / / (DB 4249, PG424)
50' INGRESS, EGRESS, AND / PROPOSED WATER LEVEL / / / ) SEE NOTE 4
REGRESS EASEMENT / / / /�� \ / 50' RIPARIAN
(PB69, PG49) / / / / \ / A
BUFFER
-----------------
/
N/F /
NANCY WEAVER LIPA
TAX:4643099
PIN:254800-25-0748
BOOK/PAGE: 03180/0434
ZONING: AR
_ 7
I I
I I
I I
I I \
I I �
I / 50' NATURAL GAS
I / EASEMENT
(D ) SEE NOTE 4
WETLANDS
i
/
WILLIFORD ROAD (SR 1200)
0,
PIT
BOUNDARY
PROPOSED
WATER LEVEL 3
1 I ;III 'all E LEE III
�-
3
II_1
1 —I ,,III ".
_ 11-IIII I= TYPICAL SECTION:
II III ��
II-111 ;,III PIT EXCAVATION
N/F
DURWOOD GENE MARTIN
TAX:4680907
PIN:254800-11-9815
BOOK/PAGE : 00903/0320
ZONING: AR
SUBJECT PROPERTY:
MATHEW SAND & GRAVEL, INC.
TAX:4705740
PIN: 254800-42-4276
1 WETLANDS
ZONING: 1-2-SUD `
AREA: ±106.28 ACRES
SUBJECT PROPERTY:
MATHEW SAND & GRAVEL, INC.
TAX:4705740
SITE LEFT PIN:254800-42-4276
AS A ZONING: AR
POND \
WETLANDS
9 / / GOVN
/
30' DEEP
20' DEEP
10' DEEP
PROPOSED WATER LEVEL
k�
i
SEEDING SCHEDULE
LIME - 2 TONS/ACRE (3 TONS/ACRE IN CLAY SOILS)
I FERTILIZER - 1000 LBS/ACRE - 10/10/10
SEED
TEMPORARY SEEDING
SUMMER - GERMAN MILLET, 40 LBS/ACRE
WINTER - RYE (GRAIN), 120 LBS/ACRE
PERMANENT SEEDING
K31 TALL FESCUE, 150 LBS/ACRE
MULCH - 2 TONS/ACRE - SMALL GRAIN STRAW
ANCHOR - ASPHALT EMULSION @ 300 GAL/ACRE
NOT RELEASED FOR
CONSTRUCTION
�'Q4` pFEssro t��
NON -WETLANDS \ - REVISED
\ 8:35 am, Aug 09, 2018
GRAPHIC SCALE
( IN FEET)
1 inch =200 ft.
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DESIGN
AWH
DRAWN
KCB
CHECKED
AWH
HORIZONTAL SCALE
SEE GRAPHIC SCALE
VERTICAL SCALE
NA
DATE
0810912018
JOB NO.
AH-
SHEET
CL

SEEDBED PREPARATION
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER
ADVERSE SOIL CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO 6 INCH DEPTH.
J. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING
SURFACE REASONABLY SMOOTH AND UNIFORM.
4. APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE
UNIFORMLY AND MIX WITH SOIL (SEE BELOW).
5. CONTINUE TILLAGE UNTIL A WELL —PULVERIZED, FIRM, REASONABLY
UNIFORM SEEDBED 1S PREPARED 4 TO 6 INCHES DEEP.
6. SEED (150 1BS/ACRE) ON A FRESHLY PREPARED SEEDBED AND COVER
SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING.
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR
RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND IS
OVER 60.°r;' DAMAGED, RE—ESTABLISH FOLLOWING ORIGINAL LIME,
FERTILIZER AND SEEDING RATES.
9. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND
FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED.
SOIL PREPARATION
* AGRICULTURAL LIMESTONE — 2 TONS/ACRE (3 TONS IN CLAY SOIL)
* FERTILIZER — 1,000 LBS/ACRE — 10/10/10
* SUPERPHOSPHATE — 500 LBS/ACRE — 20X ANALYSIS
* MULCH — 2 TONS/ACRE — SMALL GRAIN STRAW
* ANCHOR — ASPHALT EMULSION ® 400 GALS/ACRE
SEEDING SPECIFICATIONS-
1. TEMPORARY SEEDING
* SEE TABLES BELOW.-
2. PERMANENT SEEDING
* TALL FESCUE, 100 LB/ACRE
* SERICEA LESPEDEZA, 15 LB/ACRE
Table 6.10a
Seeding mixture
Temporary Seeding
Species Rate (IbJacre)
Recommendations for Late
Rye (grain) 120
Winter and Early Spring
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains) 50
Omit annual lespedeza when duration of temporary cover is not to
extend beyond June.
Seeding dates
Mountains —Above 2500 feet: Feb. 15 - May 15
Below 2500 feet: Feb. 1- May 1
Piedmont —Jan. 1 - May 1
Coastal Plain —Dec. 1 -Apr. 15
Soil amendments
Fallow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 Iblacre straw. Anchor straw by tacking withyyasphalt, netting,
ora mulch anchoring tool. Adiskwith des blaT nearl��y straightcbe
RATE
wiTACK ATused as a mulch anchoring tool.400 GALLONS PER ACRE.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
Table 6.1Ob
Temporary Seeding
Recommendations for
Summer
Seeding mixture
Species Rate (Iblacre)
German millet 40
In the Piedmont and Mountains, a small -stemmed Sudangrass may be
substituted at a rate of 50 lb/acre,
Seeding dates
Mountains —May 15 -Aug. 15
Piedmont —May 1 -Aug. 15
Coastal Plain —Apr, 15 -Aug. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set near) straight can be
used as a mulch anchoring tool s P ER SAT A IfATE OF
400 Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
Table 6.10c
Seeding mixture
Temporary Seeding
Species Rate (lb/acre)
Recommendations for Fall
Rye (grain) 120
Seeding dates
Mountains —Aug. 15 - Dec. 15
Coastal Plain and Piedmont —Aug. 15 - Dec. 30
Soil amendments
Follow soil tests or apply 2,000 lb/acre ground agricultural limestone
and 1,000 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. Adis PLYbIASdPFIALT TAgCrIAT AaigAcan be
used as a mulch anchoring tool. RRAA
400 GALLONS PER ACRE.
Maintenance
Repair and refertilize damaged areas immediately. Topdress with 50
lb/acre of nitrogen in March. If it is necessary to extent temporary
cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and
Coastal Plain) or Korean (Mountains) lespedeza in late February or
early March.
1) Ground Stahilizatiow4
-Site Area 1 t,Tabilizatioll Stabilization Time
Description Time Fr;ime Fratr3e Exce )tiot3s
Perimeter dikes,
swales, ditches 7 days None
and slopes
* High Quality
Water (HQW) 7 days None
Zones
U slopes are 10' or
Slopes steepen
7 da s
�
less in length and are
than 3 :1
not steeper d atr 11,
14 days are alto -wed.
Slopes 3:1 or
7-days for slopes
flatter
14 days
greater than 50 feet
M length
• All other areas
None
(except for
ii th slopes flatter
14 7 s
perimeters and
than 4:1
HQW Zones)
"Extensions of time may be approved by the permitting authority
)ased on weather- or other site -specific conditions that make compliance
impracticable . " (Section H_ B(2)(b))
"PERMANENT GROUNDCOVER MUST BE APPLIED WITHIN 15 WORKING
DAYS OR 90 CALENDAR DAYS, WHICHEVER IS SHORTER, FOLLOWING
COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
TEMPORARY CONSTRUCTION
ENTRANCE/EXIT
MAINTENANCE NOT TO SCALE
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT
FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC
TOPDRESSING WITH 2 INCH STONE. AFTER EACH RAINFALL, INSPECT ANY
STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY.
IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR
TRACKED ONTO PUBLIC ROADWAYS.
STEEL
POST
WIRE
FENCE
PLASTIC OR
WIRE TIES
NATURAL
GROUND
I
New Self -Inspection Program for
Erosion and Sedimentation Control
Effective October 1, 2010, persons conducting land -disturbing
activities larger than one acre must inspect their project after each
phase of the project, and document the inspection in writing.
Does this only apply to projects approved after October 1, 2010?
No, it applies to both old and new projects.
Who can conduct the inspection? The financially responsible party, landowner
or their agent may conduct the inspection.
Is a special certification required to do the inspection? No
What is the goal of the self -inspection program? To make sure that the
approved erosion and sedimentation control plan is being followed, including the
installation and maintenance of measures, and the provision of ground cover in a timely
manner.
What has to be inspected? All of the erosion and sedimentation control
measures, including sedimentation control basins, sedimentation traps, sedimentation
ponds, rock dams, temporary diversions, temporary slope drains, rock check dams,
sediment fence or barriers, all forms of inlet protection, storm drainage facilities, energy
dissipaters, and stabilization methods of open channels must be inspected.
What else has to be checked? The need for ground cover should be checked.
Temporary or permanent ground cover must be provided on exposed graded slopes
and fills within 21 calendar days of the completion of a phase of grading. Permanent
ground cover must be provided within 15 working days or 90 calendar days (60 days in
HQW zones), whichever term is shorter, upon the completion of construction or
development.
Do newly installed sedimentation control basins have to be
measured? Yes, the actual dimensions of the basins have to be checked, usually
with a tape measure, and compared to the dimensions on the approved plan.
Do newly installed sedimentation control basins have to be measured
by a Professional Land Surveyor? No. Generally the width and length of
basins can be measured with a tape measure. A level and survey rod may be useful in
checking the depth of a basin. Only relative elevations, comparing the bottom and top
elevations are necessary.
What is a significant deviation from the approved plan? A significant
deviation means an omission, alteration or relocation of an erosion or sedimentation
control measure that prevents the measure from performing as intended. If the
approved erosion and sedimentation control plan cannot be followed, a revised plan
should be submitted for review.
Does it require a special form? A "Self -Inspection Report for Land Disturbing
Activity as Required by NCGS 113A-54.1" is available for use. It can be completed by
hand or completed as an Excel spreadsheet. An alternative is to make notations on the
copy of the approved erosion and sedimentation control plan that is kept on the project
site. Rule 15A NCAC 0413. 0131 states that "... documentation shall be accomplished
by initialing and dating each measure or practice shown on a copy of the approved
erosion and sedimentation control plan or by completing, dating and signing an
inspection report that lists each measure, practice or device shown an the approved
erosion and sedimentation control plan."
Can I just use the NPDES Self -Monitoring Report? The NPDES Self -
Monitoring Report may only be used to report that the maintenance and repair
requirements for all temporary and permanent erosion and sedimentation control
measures, practices and devices have been performed.
When do the inspections have to be done? Unlike the NPDES Self -
Monitoring Report, the Self -inspection Report for Land -Disturbing Activity does not have
to be weekly. Rather, this report is completed after each phase of the approved erosion
and sedimentation control plan is complete. Not every project will have all the possible
phases, but the list of phases includes the following:
Installation of perimeter erosion and sediment control measures;
Clearing and grubbing of existing ground cover;
Completion of any phase of grading of slopes or fills;
Installation of storm drainage facilities;
Completion of construction or development;
Establishment of permanent ground cover sufficient to restrain erosion.
Where do I mail the report? Do not mail the report. The records must be made
available to the erosion control inspector at the site. Any documentation of inspections
that occur on a copy of the approved erosion and sedimentation control plan shall occur
on a single copy of the plan and that plan shall be made available on the site. Any
inspection reports shall also be made available on the site.
gTANInApn TFKApnRARY qII T FFNIrF
NOT TO SCALE
MAINTENANCE
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH
RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY. SHOULD THE
FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE SEDIMENT
DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR
THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE
TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. REMOVE ALL
FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE
AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE
AREA HAS BEEN PROPERTY STABILIZED.
2' MIN
COMPACTED S01
FLOW
f�
Ile
illll=11111=
TEMPORARY DIVERSIONS
MAINTENANCE
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL.
IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION
RIDGE. CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. WHEN
THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE RIDGE AND THE
CHANNEL TO BLEND WITH THE NATUR4L GROUND LEVEL AND APPROPRIATELY
STABILIZE IT.
TEMPORARY CHANNEL LINER
CONSTRUCTION SPECIFICATIONS
1. EXCAVATE THE CHANNEL AND RESTORE IT TO
ORIGINAL LINE AND GRADE. WHEN STAKING,
INDICATE A 0.2' OVERCUT AROUND THE CHANNEL
PERIMETER FOR SILTING AND BULKING.
2. GRADE SOIL AWAY FROM CHANNEL SO THAT
SURFACE WATER MAY ENTER FREELY.
3. APPLY LIME, FERTILIZER AND SEED TO THE
CHANNEL AND ADJOINING AREAS IN ACCORDANCE
WITH THE VEGETATION PLAN.
4. SPREAD STRAW MULCH AT THE RATE OF
100LBS/1000 SQ.FT.
5. HOLD MULCH IN PLACE IMMEDIATELY AFTER
SPREADING WITH JUTE NETTING INSTALLED AS
SHOWN.
6. START LAYING THE NET FROM THE TOP OF THE
UPSTREAM END OF THE CHANNEL AND UNROLL IT
DOWN GRADE. DO NOT STRETCH NETTING.
7. BURY THE UPSOLE END AND STAPLE THE NET
EVERY 12 INCHES ACROSS THE TOP END, EVERY 3
FEET AROUND THE EDGES AND ACROSS THE NET SO
THAT THE STRAW IS HELD CLOSELY AGAINST THE
SOIL. HOWEVER , DO NOT STRETCH THE NETTING
WHEN STAPLING.
8. NETTING STRIPS SHOULD BE JOINED TOGETHER
ALONG THE SIDE WITH A 3—INCH OVERLAP AND
STAPLED TOGETHER.
9. TO JOIN ENDS OF STRIPS, INSERT THE NEW ROLL OF
NET IN A TRENCH AS WITH UPSLOPE END AND
OVERLAP IT 18 INCHES WITH THE PREVIOUSLY LAID
UPPER ROLL. TURN UNDER 6 INCHES OF THE 18
INCHES OVERLAP AND STAPLE EVERY 12 INCHES
ACROSS THE END.
DITCH
LINER
INFLOW
STRUCTURE
AVERAGE_ AREA* j
WIDTH W - L
* AREA OF BASIN WATER SURFACE AT
TOP OF PRINCIPAL SPILLWAY ELEVATION
INFLOW
DEWATERING
ZONE
FILTER FABRIC
PLAN VIEW
BAFFLES
BAFFLES
SKIMMER
DEWATERING
DEVICE
4'x4'x6" BED
�F NO. 57 WASHED STONE
UNDER SKIMMER
DEWATERING DEVICE
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CLASS I RIP RAP
EMERGENCY
SPILLWAY
EMBANKMENT
1' FREEBOARD /
1
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��EMERGENCY SPILLWAY SPILLWAY
� 12" LAYER OF
CLASS I RIP RAP
W/ GEO-LINER
SEDIMENT
STORAGE ZONE 4'x4'WA BED
SHED
CROSS—SECTION VIEW OF N UNDER SKMMERSTONE
MAINTENANCE DEWATERING DEVICE
INSPECT BAFFLES AT LEAST ONE A WEEK AND AFTER EACH RAINFALL. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN ACCESS TO THE
BAFFLES. SHOULD THE FABRIC OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE DEPOSITS WHEN IT
REACHES HALF FULL TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID
DAMAGING THE BAFFLES DURING CLEANOUT. SEDIMENT DEPTH SHOULD NEVER
EXCEED HALF THE DESIGNED STORAGE DEPTH. AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE
MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND
STABILIZE IT.
SEDIMENT BASIN W/ SKIMMER
NOT RELEASED FOR
CONSTRUCTION
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SEAL
21 ON
yd GIN1G
REVISED
8:35 am, Aug 09, 2018
CHECK SLOT AT 25' INTERVALS
INTERMITTENT CHECK SLOT
MAINTENANCE NOT TO SCALE
INSPECT ROLLED EROSION CONTROL PRODUCTS (RECP) AT LEAST
WEEKLY AND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAIN
FALL EVENT REPAIR IMMEDIATELY. GOOD CONTACT WITH THE GROUND
MUST BE MAINTAINED, AND EROSION MUST NOT OCCUR BENEATH THE
RECP. ANY AREAS OF THE RECP THAT ARE DAMAGED OR NOT IN CLOSE
CONTACT WITH THE GROUND SHALL BE REPAIRED AND STAPLED. IF
EROSION OCCURS DUE TO POORLY CONTROLLED DRAINAGE, THE
PROBLEM SHALL BE FIXED AND THE ERODED AREA PROTECTED. MONITOR
AND REPAIR THE RECP AS NECESSARY UNTIL GROUND COVER IS
ESTABLISHED.
NOT TO SCALE
GENERAL NOTES:
BAFFLE (TYP.) '� C
EARTHEN EMBANKMENT
INLET ZONE
25% OF SURFACE AREA
FIRST CHAMBER
25% OF SURFACE AREA
SECOND CHAMBER
25% OF SURFACE AREA
OUTLET , CLASS #1 RIP RAP
\ OUTLET ZONE
25% OF SURFACE AREA
NOTE: SEE N.C. DENR , SECTION 6.65 (BAFFLES)
FOR CONDITIONS WHERE PRACTICE APPLIES,
PLANNING CONSIDERATIONS, DESIGN,
CONSTRUCTION AND MAINTAINANCE.
TEMP SEDIMENT TRAP - BAFFLES
NOT TO SCALE
MAINTENANCE
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE
ANY REQUIRED REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN ACCESS TO THE
BAFFLES. SHOULD THE FABRIC OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE DEPOSITS WHEN IT
REACHES HALF FULL TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID
DAMAGING THE BAFFLES DURING CLEANOUT. SEDIMENT DEPTH SHOULD NEVER
EXCEED HALF THE DESIGNED STORAGE DEPTH. AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE
MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND
STABILIZE IT.
BORROW PIT DEWATERING BASIN DETAIL
DETERMINE BORROW PIT DEWATERING BASIN SIZE USING
V = 8.0203 * 0 * T, WHERE V IS VOLUME (FT3), 0 IS
PUMP FLOW RATE (GPM), AND T IS ❑EWATERING TIME (HR).
USE MAXIMUM FLOW RATE OF 1000 GPM AND A MINIMUM
DEWATERING TIME OF 2 HOURS.
RISER SHALL BE A NON -PERFORATED, SMOOTH OR CORRUGATED
MATERIAL WITH A FLASHBOAR❑ OPTION.
CONSTRUCT THE COIR FIBER BAFFLE IN ACCORDANCE WITH
ROADWAY STANDARD DRAWING 1640.01 AND WITH MATERIAL THAT
MEETS THE SPECIFICATIONS OF ROADWAY STANDARD 1060-14.
PROVIDE 5' STEEL POSTS OF THE SELF -FASTENER
ANGLE STEEL TYPE. INSTALL STEEL POSTS
WITH NO MORE THAN 3' OF THE POST APPEARING
ABOVE THE GROUND.
ATTACH THE COIR FIBER MAT TO THE STEEL
POSTS WITH WIRE OR OTHER ACCEPTABLE MEANS
AND STAPLED INTO THE BOTTOM AND SIDE SLOPES
OF THE BASIN WITH 12" STAPLES.
INSTALL TYPE 2 GEOTEXTILE ON SIDESLOPES AND
BOTTOM OF BASIN AT INLET AS SHOWN IN THE ❑ETAIL.
USE THE TYPICAL SECTION SHOWN FOR THE
BORROW PIT DEWATERING BASIN AS A GUIDE. THE
BASIN MAY HAVE ANY TYPE CONFIGURATION AS LONG AS
SUFFICIENT VOLUME IS PROVIDED AND PROVISIONS
ARE MADE FOR A NON -PERFORATED RISER.
DO NOT EXCEED 31� FT. IN HEIGHT FOR THE EARTH
DIKES REQUIRED FOR BORROW PIT ❑EWATERING BASIN.
THE BORROW PIT DEWATERING BASIN SIZE IS VARIABLE
AND DEPENDENT ON SPECIFIC SITE REQUIREMENTS
AS WELL AS PROPOSED CONSTRUCTION OPERATIONS.
SUBMIT THE SIZE, LOCATION AND RISER PIPE I I
MATERIAL FOR APPROVAL PRIOR TO CONSTRUCTION.
PUMP THE EFFLUENT INTO THE BORROW PIT ❑EWATERING s
BASIN TO A MAXIMUM DEPTH OF 6 IN. BELOW TOP OF UNCLASSIFIE❑
EARTH DIKE. EARTH MATERIAL COLLAR
ac
PROVIDE A STONE ENERGY DISSIPATOR PAD AT THE COIR FIBER BAFFLE STEEL POSTS
OUTLET OF THE PUMP DISCHARGE HOSE AND OUTLET OF
THE RISER BARREL IN ACCORDANCE WITH ROADWAY VARIABLE
STANDARD DRAWING 876.02 FOR OUTLET W/O DITCH.
TYPICAL SECTION VIEW
STEEL FENCE POST
HARDWARE
FILTER OF #57 d'o'.."'00,
WASHED STONE (18"MIN. AT FACE OF 000HARDWARE CLOTH) S3'FILTER FABRIC
°° ON GROUND
BURY WIRE/ I BURY 6" OF UPPER EDG
FENCE AND FILTER FABRIC IN TRENI
HARDWARE CLOTH
FILTER FABRIC�y I 1
J AND HARDWARE
CLOTH IN TRENCH
STONE ENERGY
DISSIPATOR
NOT TO SCALE
WIRE AND WASHED STONE OUTLET
NOT TO SCALE
MAINTENANCE
VCE
INSPECT WIRE AND WASHED STONE OUTLETS AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.
MAKE ANY REQUIRED REPAIRS IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO
PROVIDE ADEQUATE STORAGE VOLUME (APPROX 50X OUTLET COVERAGE) FOR THE NEXT RAIN AND
TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE OUTLET DURING
CLEANOUT. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE
AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY
STABILIZED.
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DESIGN
AWH
DRAWN
KCB
CHECKED
AWH
HORIZONTAL SCALE
SEE GRAPHIC SCALE
VERTICAL SCALE
NA
DATE
0810912018
JOB NO.
AH—
SHEET
C3