NCG200519_Notice of Intent Application_20180302

1,
s
Division of Energy, Mineral, and Land Resources
Land Quality Section
NCDENR National Pollutant Discharge Elimination System
NORTH CARoum DEPARTMENT OE
ENVIRONMENT AND NATURAL RESOURCES
NCG200000
NOTICE OF INTENT
FOR AGENCY USE ONLY
Date Received
Year M,,thT
Da
Certificilte of Coverage
NCG
C ck #ou
Perms Assn ed to
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG200000 for STORMWATER DISCHARGES associated with activities classified as:
SIC 5093 Scrap Metal Recycling (except as specified below)
And, Like activities deemed by DEMLR to be similar in the process, or=1VE
materials, Intermediate products, final products, by-products, or wafl
The following activities are excluded from coverage under this General Permit: MAR 02 2010
• Automobile Wrecking for Scrap (a portion of SIC 5093) 1)ENR-LAN0 QUALITY
Non -Metal Scrap Recycling (a portion of SIC 5093) STORMWATER PERMITTING
Used Motor Vehicle Parts (SIC 5015)
(Please print or type)
1) Mailing address of the owner/operator (address to which official permit correspondence will be mailed):
Name Lee Iron & Metal Co, Inc
Owner Contact Scot Carpenter
Street Address 2219 S Horner Blvd.
City Sanford State NC ZIP Code 27330
Telephone No 919-775-7951 Fax. [phone]
E-mail Address scarpenter(c�leeironandmetal.com
2) Location of the facility producing the discharge:
Facility Name Lee Iron & Metal Co, Inc d/b/a T&J Motors
Facility Contact Scot Carpenter
Street Address 1085 Old US 421
City Lillington State NC ZIP Code 27546
County Harnett
Telephone No 919-775-7951 Fax: [phone]
E-mail Address scarpenter(cD-leelronandmetal com
3) Physical Location Information:
Please provide a description of how to get to the facility (use street names, state road numbers, and distance
and direction from a roadway intersection) Site is located on south side of Old US 421, approximately 1000 ft.
east of the intersection of Old US 421 and Ray Johnson Dr (1/4 mile north of City of Llllington city limits)
(A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this application )
4) Latitude 35* 23'38.752511 N Longitude 78* 50'34.5156" W (degrees, minutes, seconds)
5) This NPDES Permit Application applies to which of the following :
❑ New or Proposed Facility* Date operation is to begin
X Existing
*If this new or proposed facility is located in one of the 20 coastal counties, please contact the appropriate DEMLR Regional
Office (see page 4) to determine if a State Stormwater Permit is required prior to construction
3,5. 39 q 0 � q _1 � . 9 f �4L a-(
Page 1 of 4
SWU-235-012815 Last revised 1/28/15

NCG200000 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- 5093
7) Services and Activities
a) Provide a brief description of the types of industrial activities and products manufactured at this
facility: (Include a site diagram of the process areas and location of activities present at this facility.)
Scrap metal transfer station
b) Check all activities conducted at this facility.
X Outdoor stockpiling of materials
X Processing — cutting, grinding,
crushing, baling, separation, etc.
X Storage of materials in above-
ground tanks
X Material loading and unloading
8) Discharge points / Receiving waters:
NO Transport of materials by a
conveyor or front-end loader
X Vehicle and equipment maintenance
NO Vehicle or equipment washing
X Vehicle and equipment fueling
How many discharge points (ditches, pipes, channels, curb and gutter, swales, etc.) convey stormwater from
the property? One 1
What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater
discharges end up in? Unnamed tributary to Indian Branch
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 (if known): WS -IV
9) Does this facility:
a) Have an untreated wastewater discharge? X No ❑ Yes
b) Have a treated wastewater discharge? X No ❑ Yes
If yes, list the permit number.
c) Have a wastewater discharge from a recycle system? X No ❑ Yes
If yes, list the permit number
d) Have a non -discharge permit? X No ❑ Yes
If yes, list the permit number.
e) Discharge wastewater to a municipal wastewater collection system?
If yes, list the municipality and permit number
X No ❑ Yes
Note: stormwater discharge permit NCG200000 does not authorize the discharge of any wastewater.
If this site discharges wastewater, you must obtain the appropriate wastewater discharge
permit in addition to coverage for stormwater discharges under NCG200000.
10) Does this facility employ any best management practices for stormwater control?
❑ No X Yes (Show any structural BMP's on the site diagram.)
If yes, please briefly describe: Minor scour of the gravel surfaced parking/storage area is occurring due to high
stormwater runoff velocities. Water bars and surface drains are proposed to minimize stormwater velocities and
scour of the gravel surface
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SWU-235-O12815 Last revised 01/28/15

NCG200000 N.O.I.
11) Does this facility have a Stormwater Pollution Pi�ivention Plan?
❑ No X Yes
,If yes, when was it Implemented? A SPPP-Is being prepared concurrently with this application process.
12) Are vehicle/equipment maintenance activities occurring at this facility?
❑ No X Yes
13) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
X No ❑ Yes
b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
X No ❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg or more of hazardous waste generated per month) of
hazardous waste?
X No ❑ Yes
d) Is hazardous waste stored In the 100 -year flood plain?
X No ❑ Yes If yes, include information to demonstrate protection from flooding.
e) 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 -
14) Certification:
North Carolina General Statute 143-215.66 (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
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 discharge(s) and Is enforceable in the same manner as an
individual 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: Jonathan S. Carpenter
Title: President
of Applicant)
212-(-118
(Date Signed)
This Notice of Intent must be accompanied by a check or money order for $100.00 made payable to:
NCDENR
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SWU-235-012815 Last revised 01/28/15

NCG200000 N.O.I.
Final Checklist
This application will be returned as incomplete unless all of the following items have been included.
Please do not ask us to "hold" an incomplete application in anticipation of a check under separate cover.
X Check for $100 made payable to NCDENR
X This completed application signed by the applicant along with all supporting documents
X A site diagram showing, at a minimum, (existing or proposed)
(a) outline of drainage areas, (b) stormwater management structures, (c) location of stormwater outfalls
(corresponding to which drainage areas), (d) runoff conveyance structures, (e) areas where materials are
stored, (f) impervious areas, (g) site property lines, (h) vehicle and equipment maintenance, blasting,
painting, and washing areas, and (i) location of activities listed in 7b.
X Copy of county map or USGS quad sheet (preferred) with location of facility clearly marked on map
Please mail the entire package to:
Stormwater Permitting Program
Division of Energy, Mineral, and Land Resources
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Please note:
The submission of this document does not guarantee the issuance of NPDES permit coverage.
For questions, please contact the DEMLR Regional Office for your area.
To visit our website please go to http://PortaLncdenr.org/web/Ir/storm water
DEMLR 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 .....
[phone]
Page 4 of 4
SWU-235-012815 Last revised 01/28/15

LIAR 02 201j
STORMWATER POLLUTION PREVENTION PLAN
OTCAMW ER ERM117INd
(SPPP)
Lee Iron & Metal Co., Inc.
1085 Old U.S. 421
Lillington, Harnett County, NC 27546
Prepared For:
Lee Iron & Metal Co., Inc.
2219 S. Horner Blvd
Sanford, NC 27330
62s
Prepared By:
Engineering & Environmental
Science Company
3008 Anderson Dr., Suite 102
Raleigh, NC 27609
T. Patrick Shillington, P.E.
President

TABLE OF CONTENTS,
Page No.
1.0 Site Overview................................................................................. 1
1.1 Certification for Non-Stormwater Discharge ................ 1
2.0 Stormwater Management Strategy .............................................. 2
2.1 ASTs and Secondary Containment ............................. 2
3.0 Spill Prevention and Response Procedures ................................. 3
4.0 Preventative Maintenance and Good Housekeeping ................... 5
5.0 Facility Inspections.............................................................. 6
6.0 Employee Training....................................................................... 7
7.0 Responsible Party..................................................................... 8
8.0 SPPP Amendment and Annual Update .................................... 8
9.0 SPPP Implementation........................................................... 8
LIST OF ATTACHMENTS"
Attachment A: Vicinity Map
Attachment B: Forms
,
DRAWINGS( -2499 X36
Sheet 1: Facility Stormwater Plan
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page 1
1.0 SITE OVERVIEW
The Lee Iron & Metal facility is located in Lillington, Harnett County, NC (See Attachment
A, Vicinity Map). The facility is located on the south side of Old US 421. The receiving
waters for the stormwater discharge is an unnamed tributary to Indian Branch. Indian Branch
is a WS -IV stream in the Cape Fear River Basin (Figure 1, Attachment A).
Other pertinent information for the facility includes:
Address:
1085 Old US 421, Lillington, NC 27330
Phone:
919-775-7951
Latitude:
350 23'38.7528" N
Longitude:
78150' 34.5156" W
The facility has one building that contains metal processing equipment and an office area.
The Standard Industry Classification (SIC) Code for the facility is 5093 (Scrap Metal
Recycling).
Limited scrap metal equipment and vehicle refueling activities are conducted at the site.
Several above ground storage tanks (ASTs) are located at the facility. All vehicle
maintenance is conducted inside the building
The facility accepts scrap metal and processes the material for recycling purposes.
Commonly accepted materials include copper, steel, aluminum, scrap cars, and other raw
metal materials. No hazardous or toxic materials of any kind are accepted at the facility.
The scrap metal materials including vehicles are stockpiled in the gravel/grass areas outside
of the building. The majority of the materials processing occurs within the building. Vehicles
to be processed have fluids drained inside the building. The fluids are drained directly into
barrels or other temporary storage containers. The liquids are then transferred to the above
ground tanks located outside of the building. End of life vehicles are also processed by a
crusher that is located outside of the building.
No significant spills or leaks have occurred at the site during the previous three (3) years.
1.1 Certification for Non-Stormwater Discharge
The Lee Iron & Metal requires a permit to discharge storm water because materials are
potentially in contact with storm water. As a requirement of this permit, the outfalls
associated with storm water discharges from areas of industrial activity have been evaluated
for the presence of non -storm water discharges. Based on the evaluation, to the best of my
knowledge and belief, no non -storm water discharges exist. %%o�-,N47CARO,,
Signature 7:o 0
Professional Engineering License No / 15472 = f SEAL
1 15472
C.
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co Page 2
2.0 STORMWATER MANAGEMENT STRATEGY
The Lee Iron & Metal facility has one (1) discharge point (See Storm Water Plan, Sheet 1).
Discharges are stormwater runoff from the building and storage areas. Stormwater runoff is
conveyed by an existing grassed ditch and the discharge occurs at a natural low point on the
western boundary of the property. Possible pollutants that could discharge include soil
particulate, metals, and petroleum (gasoline, diesel, used motor oil, and hydraulic oil). The
Facility Stormwater Plan (Sheet 1) shows the discharge point, watershed area, and the
potential pollutants that could occur from these activities.
Outfall No. 1
The watershed for Outfall No. 1 is approximately 10.57 acres and includes approximately
5.31 acres of impervious area. The entire site including the building, stockpiled materials,
and ASTs drain to this outfall.
2.1 ASTs and Secondary Containment
A Spill Prevention Control and Counter Measure Plan (SPCC) has been prepared and
implemented for the storage of petroleum products and other fluids. This plan is contained
under separate cover.
At the Lee Iron & Metal Facility, five (5) Above Ground Storage Tanks (AST's) are in -use
that are outside of the plant buildings. The Storm Water Plan, Sheet No. 1, shows the
locations of these tanks. These AST's include the following:
• One (1) 200 gallon off-road diesel transfer tank
• One (1) 1,000 gallon off-road diesel tank
• One (1) 1,000 gallon gasoline tank
• One (1) 1,000 gallon used oil tank
• One (1) 1,000 gallon water and antifreeze tank
The 200 gallon off-road diesel tank is on wheels and is used to fill the crusher. This tank is
usually empty unless it is being used to transfer fuel to the crusher. All of the other tanks are
double -walled for secondary containment purposes.
The majority of scrap metal processing occurs inside of the building. Vehicles to be
processed have fluids drained inside the building. The fluids are drained into barrels or other
temporary storage containers. All chemicals are stored inside of the plant buildings.
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page3
�2.2 Gravel Surfaced Parking/Storage
Some scour and rill erosion is occurring on the gravel surfaced parking/storage area.
Stormwater runoff with erosive velocities from the upslope areas is the likely cause of the
scouring. In order to decrease the runoff velocity and reduce the potential for additional
scouring, water bars are proposed. The water bars should consist of a 9" high compacted
earthen ridge with cross slopes of less than I%. The relatively flat cross slopes will help to
attenuate the stormwater runoff to non-erosive. The proposed water bars should discharge
into the existing ditch located in the central portion of the property. Please note that these
proposed measures are tentative and subject to change.
3.0 SPILL PREVENTION AND RESPONSE PROCEDURES
In order to implement, maintain and revise the SPPP; Lee Iron & Metal Co. has assigned the
following personnel to be members of the Pollution Prevention Team. The activities and
responsibilities of each team member are listed below. A responsible person shall be on-site
at all times during facility operations that have increased potential to contaminate stormwater
runoff through spills or exposure of materials associated with the facility operation.
Team Member/Title
Responsibility
Jonathan S. Carpenter, Jr
• Ultimate responsibility for the implementation
of the SPPP
Secretary
. Responsible for allocating funds for materials,
supplies, and manpower for implementation of
Signature:
the SPPP.
Date:
Merced A. Rodriguez
Manager
• Responsible for implementation of SPPP.
Review of activities for SPPP.
Signature:
• Responsible for compliance and coordination
of SPPP with all parties concerned. Document
and parties concerned. Document and test
Date:
discharges. Provide guidance on improvement
of SPPP. Reports directly to Jonathan S.
Carpenter.
Lee Iron & Metal Co. is responsible for implementing Best Management Practices at the Lee
Iron & Metal Facility. These, practices include Good Housekeeping, Preventative
Maintenance, Spill Prevention Control and Counter Measures for the Above Ground fuel
tanks, record-keeping and internal reporting. The ultimate solution of pollution runoff is
storage of materials and conducting activities under roof to prevent direct contact with
precipitation.
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page4
The majority of scrap metal processing occurs inside of the building. Vehicles to be
processed have fluids drained inside the building. The fluids are drained into barrels or other
temporary storage containers. All chemicals are stored inside of the plant buildings.
Spills and leaks are a significant potential source of stormwater pollutants, and in many
cases, are avoidable. The standard operating procedures such as spill prevention procedures,
along with proper employee training can reduce the potential for accidental releases. The
following areas are identified for potential spillage:
-Above ground gasoline and diesel tanks.
-Waste oil collection, hydraulic oil collection, radiator fluid collection and other
fluids used and handled at the building.
-Petroleum releases from hydraulic equipment, construction equipment, vehicles and
stationary motor operated equipment.
-Car crusher
For the above ground gasoline and diesel tanks, the operation procedures are outlined
separately in the Spill Prevention Control and Countermeasures Plan.
Storage of fluids at the plant buildings is in areas out of congested pedestrian and vehicle
traffic. Should a spill occur, the material is immediately cleaned up using absorbent pads
and powder. Should the release saturate the ground, the soil is removed and placed in
appropriate containers (barrels, roll -offs, etc.).
At various locations of the plant, a release could result from any of the hydraulic equipment,
stationary motors and from moving trucks and construction equipment. The release is
immediately adsorbed, and ground contaminated is excavated and the soil is removed and
placed in barrels.
All releases are immediately reported to the Stormwater Plan Coordinator or any of the other
Pollution Prevention Team Members.
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Storrawater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page 5
4.0 PREVENTATIVE MAINTENANCE AND GOOD HOUSEKEEPING
The following areas require Good Housekeeping Activities to minimize stormwater releases:
1) Plant Building Cleaning
2) Draining of vehicle fluids
3) Raw material handling
Following is a discussion of the good housekeeping activities for the above items
Handling of the containers is conducted in a manner to minimize spillage. Spills
are immediately cleaned up.
2. Building floor cleaning is conducted by using absorbent powder, dry wiping and
sweeping. The used material is appropriately disposed off-site. No washing with
water is allowed, unless the water is vacuumed at the same time.
The following items are inspected routinely for future maintenance activities:
1. Vehicles
2. Scrap metal moving equipment
3. Hydraulic lines
4. Crushing equipment
Following is a discussion of the preventative maintenance activities for the above items.
1. At the designated parking areas for the various transport vehicles, the ground
should be checked for any ground staining or liquid ponding before each day's
use. Staining or ponding is evidence of needed vehicle maintenance.
2. Material handling equipment should be checked for hydraulic line leaks and
other leaks that require maintenance.
3. Hydraulic lines should be checked by the operator before each day's use for
leakage. Any spill should be cleaned immediately, and repairs made when
leakage is noted.
4. Self contained petroleum tanks, hydraulic lines, and the area around the
equipment should be checked for leak and/or spills. Any spill should be cleaned
immediately, and repairs made when leakage is noted.
5. Metal crushing equipment should be periodically inspected for signs of leaks and
ground staining.
Labels should be placed on all containers containing flammable, hazardous, or corrosive
materials. The labels should indicate the type of material contained. Signs indicating proper
handling and cleanup procedures should be posted where these materials are stored.
Standards for hazardous material labeling are per OSHA/MSHA standards.
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page 6
SA FACILITY INSPECTI®NS
Inspection of the facility shall occur at a minimum of twice a year; once during the first half
of the year (January to June) and once during the second half (July to December), with at
least 60 days separating inspection dates.
The Bi -Annual observation by qualified personnel is conducted to perform the following:
• Inspect storm water drainage areas for evidence of pollutants entering the site drainage
system.
• Evaluate the effectiveness of measures to reduce pollutant loadings and whether
additional measures are needed.
• Inspect any equipment needed to implement the plan, such as spill response equipment.
• Revise the plan as needed within two weeks of inspection (potential pollutant source
description of measures and controls).
• Implement any necessary changes in a timely manner, but at least within 12 weeks of the
inspection.
• Prepare a report summarizing inspection and follow up actions, the date of inspection
and personnel who conducted the inspection; identify any incidents of noncompliance or
certify that the facility is in compliance with the plan.
• Sign the report and keep it with the plan.
Record keeping is important to demonstrate that the facility is operated in a way that
minimizes the potential for pollutants to enter the environment. Attachment B contains
forms that address the following:
1. Site Compliance Evaluation
2. SPPP Review and Update
3. Personnel Training Record
4. Spill Documentation Report
5. Equipment Inspection and Preventative Maintenance Record
6. Material Inventory Record
7. Future BMP implementation schedule
These forms, or ones containing similar information should be completed and kept on-site at
all times.
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Stormwater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Paye 7
6.0 EMPLOYEE TRAINING
Employee training is essential to effective implementation of the Storm Water Pollution
Prevention Plan. Each employee that works in a particular area of the plant is trained for
proper material handling and spill prevention and good housekeeping practices.
The training program will consist of a formal training session and regular follow-up sessions
to update and reinforce the formal training. The facility training sessions will include an
overview of the following information included in written documentation. This overview
will include information on where the documentation is maintained at the facility:
• Material Safety Data Sheets
• Written instructions for handling hazardous substances.
• Facility storm water pollution prevention.
• Facility spill prevention, control, and countermeasures.
• Material management practices.
• BMP's including spill prevention measures, equipment, and safety procedures.
• Recent spills or accidents at the facility or at a similar facility with discussion about
causes and corrective actions taken.
• Upcoming new equipment installations at the facility that will impact pollution
prevention planning or implementation of BMP's.
• Chemical and physical properties of industrial materials.
• Inspection procedures.
• Applicable environmental laws, regulations, and guidance documents.
• Procedures for preventing contact between materials and storm water runoff.
• Procedures for using, inspecting, repairing, and replacing facilities or equipment used for
spill response.
• Key parameters for automatic shutoff systems.
• Communications equipment and alarm systems.
• Response to spills and actions required to prevent spill from reaching storm water.
• People to contact in the event of a spill and what to do in the event of a spill.
• Reporting requirements for chemical leaks and spills.
• Procedures for tank truck unloading.
• Operation and maintenance of containment equipment.
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Storrawater Pollution Prevention Plan (SPPP)
Lee Iron & Metal Co. Page 8
7.0 RESPONSIBLE PARTY
Name: Jonathan S. Carpenter
Title: President
Facility Name:
Facility Address:
Lee Iron & Metal
1085 Old US 421
Lillington, Harnett County, NC
"I certify under penalty of law that this document and all attachments were prepared under
my direction or supervision in accordance with a system designed to ensure that qualified
personnel properly gather and evaluate the information submitted. Based on my inquiry of
the person or persons who manage the system, or those persons directly responsible for
gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for
submitting false information, including the possibility of fine and imprisonment for knowing
violations." �Q
Signature: �I�64,Z�� Date: ?-12,,1 /Xd-3
g
8.0 SPPP AMMENDMENT AND ANNUAL UPDATE
This SPPP shall be reviewed on an annual basis. The SPPP shall be amended whenever
there is a change in design, construction, operation, site drainage, mainentance, or
configuration of the physical features which may have a significant effect on the potential
for the discharge of pollutants to surface waters. The annual update shall include the
following:
-A list of significant spills or leaks of pollutants for the previous three (3) years,
or the notation that no spills have occurred.
-A written re -certification that stormwater outfalls have been evaluated for the
presence of non-stormwater discharges
-A review and comparison of sample analytical data to benchmark values
9.0 SPPP IMPLEMENTATION
Lee Iron & Metal Co. shall implement the SPPP consistent with the provisions of the
NCG200000 permit, in order to control contaminants entering surface waters via stormwater.
Implementation of the SPPP shall include documentation of all monitoring, measurements,
inspections, maintenance activities, and training provided to employees, including the log of
the sampling data. Such documentation shall be kept on-site for a period of five (5) years and
made available to the Director or Director's authorized representative immediately upon
request.
es

ATTACHMENT A:
Vicinity Map
es

G?�

ATTACHMENT B:
Forms
es

LEE IRON & METAL CO.
Date: Time:
Area(s) Inspected:
Evidence of Pollutants Entering Storm Water: Yes No
BMPs in Place at This
Location:
BMPs Operating Properly: Yes No
Corrective Action Taken:
Action Taken/Date:
Inspected/ Documented By:
Title:
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LEE IRON & METAL CO.
SPPP REVIEW/UPDATE RECORD
REVIEWED BY
AMENDED BY PROFESSIONAL ENGINEER
REASON FOR
REVIEW/ AMENDMENT
DATE REVIEWED BY
PRINTED SIGNATURE STATE NUMBER
NAME
REGULATORY 1 -YEAR
OR FACILITY
CHANGE
40 CFR 112 requires a review and evaluation of this SPPP plan at least once every three years or when changes are made to the
facility. Any amendments to this SPPP plan pertain to oil will be certified by a registered Professional Engineer.

LEE IRON & METAL CO.
SPILL DOCUMENTATION REPORT
Year
Date
(month/day/year) Spill
Location (as
Leak Indicated on
site map)
Des cri
tion
Response Procedure
Type of Material Quantity Source, If known Reason
Amount of Material Material no Preventive Measures
Recovered longer exposed to Taken
Storm Water
(T/F) ?
Year
Date
(month/day/year)
Spill
Location (as
Leak Indicated on
site map)
Des cri
tion
Response Procedure
Type of Material Quantity Source, If known Reason
Amount of Material
Recovered
Material no Preventive Measures
longer exposed to Taken
Storm Water
(T/r) ?
Year
Date
(month/day/year) Spill
Location (as
Leak Indicated on
site map)
Description
Response Procedure
Type of Material Quantity Source, If known Reason
Amount of Material Material no Preventive Measures
Recovered longer exposed to Taken
Storm Water
(T/F)?

LEE IRON & METAL CO.
EQUIPMENT INSPECTION AND
PREVENTATIVE MAINTENANCE RECORD
Date:
Time:
Equipment Ins ected
Weather
Conditions
Condition
Of
Equipment
Visable
Fluid
Leaks?
Comments
Corrective
Action
Required?
Correction
Action
Completion
Date
Date Next
Inspection
Required
Ins ector

LEE IRON & METAL CO.
Only for biannual inspection records material as invoices
Completed by:
MATERIAL INVENTORY RECORD Title:
Date:
Instruction: List all materials used, stored, or produced on site. Assess and evaluate these materials for their potential to contribute
pollutants to storm water runoff.
Material Purpose or Quantity (units) Quantity Likelihood of
Location Exposed in contact with storm
Used Produced Stored Last 3 water. If yes,
Years describe reason.
Past Significant
Spill or Leak
Yes I No

LEE IRON & METAL CO.
FUTURE BMP IMPLEMENTATION SCHEDULE
BMP
DESCRIPTION SCHEDULE RESPONSIBLE PERSON
Good Housekeeping
1.
2.
3.
Preventative Maintenance
1.
2.
3.
Inspections
1.
2.
3.
Spill Prevention and
Response
1.
2.
3.
Sediment and Erosion
Control
1.
2.
3.
Management of Runoff
1.
2.
3.
Additional BMPs
(Activity -specific and site-
specific)
1.
2.
3.

LEE IRON & METAL CO.
PERSONNELL TRAINING RECORD
The following information documents employee -training records. The trainer will initial the type of
training performed.
DATE ATTENDEE TRAINING SUBJECTS TRAINING TYPE
New Training
Employee Exercise Briefing
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SPILL PREVENTION' CONTROL
AND COUNTER MEASURE PLAN
(SPCC)
Lee Iron & Metal Co., Inc.
1085 Old U.S. 421
Lillington, Harnett County, NC 27546
Prepared For: Prepared By:
Lee Iron & Metal Co., Inc.
2219 S. Horner Blvd
Sanford, NC 27330
�2�
RECEIVED
MAR 0 2 2010
DENIM=LAND QUALITY
STQRMWATER PERMITTING
Engineering & Environmental
Science Company
3008 Anderson Dr., Suite 102
Raleigh, NC 27609
T. Patrick Shillington, P.E.
President

TABLE OF CONTENTS
page
1.0 INTRODUCTION....................................................................................... 1
1.1 Secondary Tank Containment............................................................ 2
1.2 Secondary Containment for Tank Car Unloading ............................. 2
1.3 Past Release Documentation...........................................................1... 2
1.4 Applicability of Substantial Harm ..................................................... 3
2.0 OPERATING PROCEDURES................................................................. 3
2.1 Bulk Storage Tanks (On -shore) ..............................................:.... 3
2.2 Facility Transport Operations --
Pumpingand In -plant Process ...................................................... 3
2.3 Facility Tanker Truck Loading/
UnloadingRack (On-shore).......................................................... 3
3.0 INSPECTION AND RECORDS.............................................................. 4
4.0 SECURITY................................................................................................ 4
5.0 PERSONNEL TRAINING AND SPILL
PREVENTION PROCEDURE....................................................... 4
6.0 GENERAL CLEANUP PROCEDURE ........................................... 5
ATTACHMENTS
Attachment A: Figures
Attachment B: Certification of the Applicability of the Substantial Harm Criteria
Attachment C: Weekly Inspection Report
FIGURES
Figure No. 1: Vicinity Map
s DRAWINGS 24" X 36" _
Sheet 1: Facility Stormwater Plan
61

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co Page 1
1.0 , INTRODUCTION
This "Spill and Prevention Control and Countermeasure Plan" (SPCC) is prepared in accordance
with 40 CFR Paragraph 112.7 "General Requirements for Spill Prevention, Control, and
Countermeasure Plans," July 1, 2008 Edition, where applicable. This plan is prepared for the Lee
Iron & Metal facility in Lillington, NC (See Figure No. 1 of Attachment A for location). The 24" by
36" Facility Stormwater Plan (112.7(a)(3)) drawing shows the subject site and facility.
The Lee Iron & Metal facility is located in Lillington, Harnett County, NC. The facility is located on
the south side of Old US 421.
Other pertinent information for the facility includes:
Address: 1085 Old US 421, Lillington, NC 27330
Phone: [phone]
Latitude: 350 23'38.7528" N
Longitude: 78° 50' 34.5156" W
The facility has one building that contains metal processing equipment and an office area. The
Standard Industry Classification (SIC) Code for the facility is 5093 (Scrap Metal Recycling).
Limited scrap metal moving equipment and vehicle refueling activities are conducted at the site. Five
(5) above ground storage tanks (ASTs) are located at the facility. These ASTs are described in
further detail in Section 1.1.
The facility accepts scrap metal and processes the material for recycling purposes. Commonly
accepted materials include copper, steel, aluminum, scrap cars, and other raw metal materials.
No hazardous or toxic materials of any kind are accepted at the facility.
The scrap metal materials including vehicles are stockpiled in the gravel/grass areas outside of the
building. The majority of the materials processing occurs within the building. Vehicles to be
processed have fluids drained inside the building. The fluids are drained directly into barrels or other
temporary storage containers. The liquids are then transferred to the above ground tanks located
outside of the building. End of life vehicles are also processed by a crusher that is located outside of
the building.
62s

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co Pate 2
1.1 , AST and Secondary Containment
At the Lee Iron & Metal Facility, five (5) Above Ground Storage Tanks (AST's) are in -use that are
outside of the plant buildings. The Storm Water Plan, Sheet No. 1, shows the locations of these
tanks. These AST's include the following:
• One (1) 200 gallon off-road diesel transfer tank
• One (1) 1,000 gallon off-road diesel tank
• One (1) 1,000 gallon used -gasoline tank
• One (1) 1,000 gallon used oil tank
• One (1) 1,000 gallon water and antifreeze tank
The 1,000 gallon off-road diesel tank is used to refill the on-site equipment. The other tanks are used
to store used gasoline, oil, and antifreeze, respectively, that is drained from vehicles that are brought
to the facility to be scrapped.
The 200 gallon off-road diesel tank is on wheels and is used to fill the crusher. This tank is usually
empty unless it is being used to transfer fuel to the crusher. All of the other tanks are double -walled
for secondary containment purposes.
1.2 Secondary Containment for Delivery Tank Truck Unloading
The 1,000 gallon off-road diesel tank ;is the only AST at the facility that is filled by delivery tank
truck unloading, and is the only tank used to dispensed product.
An on-site representative should monitor anytime that the 1,000 gallon off-road diesel is being filled
by a delivery tank truck, and ensure that the tank is not overfilled. In general, any release would be
absorbed by the grassed areas before leaving the property. However, a timely response will minimize
potential cleanup costs, such as plugging the culvert and/or providing absorbent pads and booms
along the ditch.
1.3 Past Release Documentation
No past releases have occurred at the facility within the past 5 years. However, at times minor
cumulative releases do occur during filling of vehicles or equipment repair. This accumulation on
,.the ground is removed periodically to prevent deeper infiltration into the ground.
1.4 Applicability of Substantial Harm
This facility is considered non -transportation -related on -shore and does not require a Facility
Response Plan. This facility contains no more than 25,000 gallons of petroleum-based product and
Protene, and does not transfer oil over bodies of water. Attachment B contains the Certification of
the Applicability of the Substantial Harm Criteria.
Els

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co. Page 3
2.0 OPERATING PROCEDURES/PREVENTATIVE MMNTENANCE
2.1 Bulk Storage Tanks
The above ground storage tanks have been installed to meet North Carolina, "American Petroleum
Institute and OSHA Requirements for Oil Storage Tanks."
The tank support and foundation is visually inspected weekly by properly -trained personnel for any
signs of deterioration or leaks which might cause a spill or accumulation of oil (112.7(c)).
All unloading or transfer of fluids is done under constant supervision of the properly trained
personnel (I 12.7(f)(1)).
Any visible oil leaks that might be observed are promptly corrected (112.7(c)).
2.2 Facilities Transfer Operations Pumping and In laiit Process
All above ground valves, pipelines, and containers are inspected weekly by the properly trained
personnel, and any deficiencies promptly reported and corrected (112.7(c)).
2.3 Facility Tank Car and Truck Loading/Unloading Loading/UnloadingRack
A representative will attend the unloading of liquids at all times. No unloading will be conducted
during inclement weather.
The on-site-rep'resentative will monitor anytime that the 1,000 gallon off-road diesel is being filled -
by a delivery tank truck. The representative will ensure that the tank is not overfilled.
Prior to filling and departure of any tank truck, the on-site representative will verify that all outlets of
such vehicles are examined for leakage and if necessary ensure corrective measures are taken to
prevent liquid leakage while in transit on the facility (I 12.7(h)(3)).
A sign (112.7(h)(2)) is provided in the unloading area to warn delivery trailer drivers to disconnect
flexible hose and close valves before moving the trailer. The on-site representative will verify
disconnection before the tank truck departs (I 12.7(h)(3)).
els

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co.Pale 4
3.0 INSPECTION AND RECORDS
Inspection of the facility shall occur at a minimum of twice a year; once during the first half of the
year (January to June) and once during the second half (July to December), with at least 60 days
separating inspection dates.
A written record of the periodic inspection signed by the Properly Trained Personnel shall be kept on
file for a period of at least 3 years (112.7(c)). Attachment C contains a copy of this inspection report.
Periodic inspection will be conducted each time the 1,000 gallon off-road diesel tank is filled by the
tanker truck.
4.0 SECURITY
The tanks are secured by perimeter fencing and the entrance gates are locked when the tanks are
unattended (I 12.7(g)(1)). The dispenser for the 1,000 gallon off-road is de -energized when in non-
operation or non -standby status (112.7(g)(2)(3)).
The loading/unloading connection should be securely capped when not in use (I 12.7(g)(4)).
Lighting is present to provide visibility to identify possible leaks and releases (112.7(g)(5)).
5.0 PERSONNEL TRAINING AND SPILL, PREVENTION PROCEDURE
The personnel shall be properly trained and instructed on the operation and maintenance procedures
of the spill prevention equipment and the applicable pollution control laws, rules and regulations
(112.7(f)).
The Properly Trained Personnel have been designated responsible for oil spill prevention (112.7(f)).
The operation personnel conduct periodic spill prevention briefings in intervals frequent enough (at
least annually) to assure adequate understanding of the SPCC plan for the facility (112.7 (f)) of
Guidelines). Such briefings should highlight and describe known failures or malfunctions.
62s

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co Page 5
6.0 GENERAL CLEANUP REPORTING PROCEDURE
Spills greater than 25 -gallons that occur outside of the Containment System shall be reported
immediately to the plant manager or other assigned personnel. Within 24-hrs., the spill incident shall
be reported to the NCDENR Fayetteville Regional Office.
Contact List (112.7(a)(3)(vi)):
Facility Response Coordinator:
Governmental Agency:
Emergency Response:
(In case of a fire)
Cleanup Contractors:
Jonathan S. Carpenter
919-775-7951
NCDEQ Fayetteville Regional Office
910-433-3300
911
Noble Oil Services
5617 Clyde Rhyne Dr.
Sanford, NC 27330
919-774-8180
The following information shall be provided when reporting a release (122.7(a)(4)):
• The exact address and phone number of the facility:
Lee Iron & Metal Co.
1085 Old US 421.
Lillington, Harnett County, NC
Phone: [phone]
• The date/time of the discharge.
• The type of material discharge (e.g. gasoline, diesel, protene, kerosene).
• An estimated total quantity of the discharge.
• An estimated quantity of discharge that may be harmful.
• The source of the discharge (e.g. 55 gallon drums, hopper hydraulic equipment, AST).
• A description of the affected media (e.g. soil, groundwater, surface water).
• The cause of the discharge.
• Any damages or injuries caused by the discharge.
• Actions being used to stop, remove, and mitigate the effects of the discharge
• Whether or not an excavation may be needed.
• Names of individuals and/or organizations that have also been contacted.
M

Spill Prevention Control and Counter Measure Plan (SPCC)
Lee Iron & Metal Co Page 6
Available On -Site Equipment:
• Adsorbent materials
Equipment Provided by Noble Oil Services includes:
• Track hoe
• Three (3) Trucks
• Vacuum Truck
• Adsorbent materials
All of the petroleum products and liquid materials stored at the site are within and contained by the
buildings or have secondary containment.
The rate of flow, direction of flow, and quantity of liquids that could be discharged as a result of a
release is provided below (112.7(b)).
All of the tanks are located in the rear of the processing/office building. The tanks are located on a
concrete slab. A release from the tanks or tanker truck would spill on the concrete pad and then
discharge to the grassed ditch. Maximum flow rate is estimated at 50 gpm.
In general, any release would be absorbed by the grassed areas. However, a timely response will
minimize potential cleanup costs, such as plugging the culverts and/or providing absorbent pads and
booms along the ditches.
Minor spills can be absorbed with dry granular absorbents, pads, or booms. Minor spills can be
controlled by sweeping or mopping the material into approved containers for proper disposal. Proper
disposal includes removing absorbent compounds from the floor on a timely basis.
M

ATTACHMENT A:
Vicinity Map
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ENGINEERING: ENVIRONMENTAL
SCIENCE COMPANY
N 3008 ANDERSON DR, SUITE 102
RALEIGH, NORTH CAROLINA 27609
[phone]
Vicinity Map DATE
Lee Iron & Metal Co. 2/12/18
1085 Old US 421 FIGURE NO
Scale: F'= 1000' Lillington, NC 1 1
62S

ATTACHMENT B:
Certification of the Applicability
of the
Substantial Harm Criteria
EIS

CERTIFICATION OF THE APPLICABILITY
OF THE SUBSTANTIAL HARM CRITERIA
Facility Name: Lee Iron & Metal Facili
Facility Address: 1085 Old US 421 Lillington, NC 27546
1. Does the facility transfer oil over water to or from vessels and does the facility have a total
oil storage capacity greater than or equal to 42,000 gallons?
Yes _ No X
2. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons
and does the facility lack secondary containment that is sufficiently large to contain the capacity of
the largest above -ground oil storage tank plus sufficient freeboard to allow for precipitation within
any aboveground oil storage tank area?
Yes _ No X
3. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons
and is the facility located at a distance (as calculated using the appropriate formula in Attachment C -
III to this appendix or a comparable formula) such that a discharge from the facility could cause
injury to fish and wildlife and sensitive environments, see Appendices I, II, and III to DOC/NOAA's
"Guidance for Facility and Vessel Response Plans: Fish and Wildlife and Sensitive Environments"
(see Appendix E to this part, section 13, for availability) and the Applicable Area Contingency Plan.
Yes _ No X
4. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons
and is the facility located at a distance (as calculated using the appropriate formula in Attachment C -
III to this appendix or a comparable formula) such that a discharge from the facility would shut down
a public drinking water intake?
Yes _ No X
5. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons
and has the facility experienced a reportable oil spill in an amount greater than or equal to 10,000
gallons within the last 5 years?
Yes —No X
62s

Certification
I certify under penalty of law that I have personally examined and am familiar with the
information submitted in this document, and that based on my inquiry of those individuals
responsible for obtaining this information, I believe that the submitted information is true, accurate,
and complete.
D�
Si Lure
Jonathan S. Carpenter
Name (please type or print)
President
Title
2A A?
Date
62s

ATTACHMENT C:
Periodic Inspection Report
62s

PERIODIC INSPECTION REPORT
SPILL PREVENTION CONTROL AND COUNTERMEASURE PLAN
WEEK OF:
1. Visual inspection of storage tanks, supports and foundations: Inspected
Deficiencies Found:
Comments:
2. Tank liquid level sensing devices:
Comments:
3. Above ground pipelines, pipe supports, and valves:
Inspected
Deficiencies Found:
Comments:
Inspected
Proper Operation
Inspection Conducted By:
(To Be Signed)
62s

e2J
ENGINEERING & ENVIRONMENTAL SCIENCE COMPANY
3008 ANDERSON DRIVE, SUITE 102
RALEIGH, NC 27609
[phone]
February 12, 2018
Mr. Scot Carpenter
Lee Iron & Metal Co., Inc.
2219 S. Horner Blvd.
Sanford, NC 27330
RE: Stormwater Evaluation
Lee Iron & Metal Lillington Facility
1085 Old U.S. 421
Lillington, NC 27546
Dear Mr. Carpenter,
RECENED
MAR 0 2 2013
DEMR-LANI) QUALITY
STORMWATER PERMITTING
Engineering & Environmental Science Company (E2S) has completed the evaluation for
the above referenced project. Following is a brief discussion of this project and our
evaluation.
Project Information
At the Lee Iron & Metal Lillington Facility, minor scouring of the gravel surfaced
parking/storage areas has occurred. Stormwater runoff with erosive velocities from the
upslope areas is the likely cause of the scouring.
Water Bars and Stone Check Dams
In order to decrease the runoff velocity and reduce the potential for additional scouring,
E 2 S recommends the installation of water bars with maximum cross slopes of 1%. The
proposed water bars will consist of a 9" high compacted gravel ridge. The relatively flat
cross slopes will attenuate the runoff velocity to non-erosive velocities of less than 2
ft/sec. The proposed water bars will discharge into an existing grass lined ditch located in
the central portion of the property.
Two (2) stone check dams are proposed to be installed in the existing ditch. The stone
check dams will provide additional velocity attenuation and will decrease the amount of
sediment being discharged from the property.
The separately submitted 24"x36" drawing shows the proposed locations and details for
the proposed water bars and check dams. Calculations for the water bars are provided in
Attachment B.

Stormwater Culvert and Surface Drains
Currently the stormwater runoff being conveyed by the existing ditch discharges and
flows overtop an existing drive. In order to prevent water overtopping the drive, E 2
recommends installing a catch basin in the ditch with a 36" RCP culvert that discharges
to the other side of the drive aisle. This proposed culvert can pass the 10 -year rain event
without overtopping. Outlet protection consisting of Class B Erosion Control Stone is
proposed for the new culvert.
Two (2) additional catch basins are proposed near the building. The catch basins will
collect the surface runoff which will then be conveyed by 12" smooth walled corrugated
plastic pipe before discharging into the ditch.
The location and details for the proposed catch basins and culvert are provided on the
accompanying 24"x36" drawing. Calculations for the culvert are provided in Attachment
B.
Closure
We appreciate serving you on this project. Please contact us if you have any further
questions.
�,.9CA...
Sincerely, o ,L
—fI
T. Patrick Shillington, P. 1547 _ Robert W. Brantly, P.E.
Presidenti ,; ,� �•FN �o?� Project Engineer
�•, -9 „GINE• C� .�
Attachment A: Water Bar Calculations
Attachment B: Culvert Calculations
62s

Attachment A:
Water Bar Calculations
62s

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Drainage Area 1
Water bar
t
bcat Reach on Link Routing Diagram for water bars
Prepared by {enter your company name here}, Printed 2/12/2018
FHydroCAE)O10 00-20 s/n 07329 © 2017 HydroCAD Software Solutions LLC

water bars Type 11 24 -hr 10 yr Rainfall=5.44"
Prepared by {enter your company name here} Printed 2/12/2018-
HydroCAD® 10.00-20 s/n 07329 @2017 HydroCAD Software Solutions LLC Page 2
Summary for Subcatchment 1S: Drainage Area 1
Runoff = 5.64 cfs @ 12.02 hrs, Volume= 0.313 af, Depth= 2.20"
Runoff by SCS TR -20 method, UH=SCS, Weighted -CN, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs
Type II 24 -hr 10 yr Rainfall=5.44"
Area (ac) CN Description
0.340 98 Impervious
1.150 61 >75% Grass cover, Good, HSG B
0.220 58 Woods/grass comb., Good, HSG B
1.710 68 Weighted Average
1.370 80.12% Pervious Area
0.340 19.88% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
8.4 100 0.0250 0.20 Sheet Flow,
Grass: Short n= 0.150 P2= 3.64"
1.7 340 0.0270 3.34 Shallow Concentrated Flow,
Paved Kv= 20.3 fps
10.1 440 Total

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water bars Type 11 24 -hr 10 yr Rainfall=5.44"
Prepared by {enter your company name here} Printed 2/12/2018
HydroCADO 10.00-20 s/n 07329 © 2017 HydroCAD Software Solutions LLC Page 4
Summary for Reach 3R: Water bar
Inflow Area = 1.710 ac, 19.88% Impervious, Inflow Depth = 2.20" for 10 yr event
Inflow = 5.64 cfs @ 12.02 hrs, Volume= 0.313 of
Outflow = 5.31 cfs @ 12.07 hrs, Volume= 0.313 af, Atten= 6%, Lag= 3.1 min
Routing by Stor-Ind+Trans method, Time Span= 0.00-48.00 hrs, dt= 0.05 hrs
Max. Velocity= 1.53 fps, Min. Travel Time= 1.7 min
Avg. Velocity = 0.56 fps, Avg. Travel Time= 4.8 min
Peak Storage= 575 cf @ 12.05 hrs
Average Depth at Peak Storage= 0.53'
Bank -Full Depth= 0.75' Flow Area= 7.1 sf, Capacity= 13.63 cfs
0 00' x 0.75' deep channel, n= 0.040 Earth, cobble bottom, clean sides
Side Slope Z -value= 3.0 22.27' Top Width= 18.90'
Length= 160.0' Slope= 0.01007'
Inlet Invert= 100.00', Outlet Invert= 98.40'

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Attachment B:
Culvert Calculations
G2s

Watershed for 36" RCP
36" RCP
Subcat E� onLlnk

culvert Type 11 24 -hr 10 yr Rainfall=5.44"
Prepared by {enter your company name here} Printed 2/12/2018
HydroCAD® 10.00-20 s/n 07329 © 2017 HydroCAD Software Solutions LLC Page 2
Summary for Subcatchment 1 S: Watershed for 36" RCP
Runoff = 29.66 cfs @ 12.03 hrs, Volume= 1.575'af, Depth> 2.86"
Runoff by SCS TR -20 method, UH=SCS, Weighted -CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24 -hr 10 yr Rainfall=5.44"
Area (ac) CN Description
3.090
98 Impervious
3.310
61 >75% Grass cover, Good,
HSG B
0.220
58 Woods/grass comb., Good, HSG B
6.620
78 Weighted Average
3.530
53.32% Pervious Area
3.090
46.68% Impervious Area
Tc Length
Slope Velocity Capacity
Description
(min) (feet)
(ft/ft) (ft/sec) (cfs)
8.4 100
0.0250 0.20
Sheet Flow,
Grass: Short n=0.150 P2=3.64"
2.5 510
0.0270 3.34
Shallow Concentrated Flow,
Paved Kv= 20.3 fps
0.3 220
0.0250 13.99 83.97
Channel Flow,
Area= 6.0 sf Perim= 4.0' r= 1.50'
n= 0.022 Earth, clean & straight
11.2 830 Total

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culvert Type 11 24 -hr 10 yr Rainfall=5.44"
Prepared by {enter your company name here} Printed 2/12/2018
HydroCADO 10 00-20 s/n 07329 © 2017 HydroCAD Software Solutions LLC Page 4
Summary for Pond 2P: 36" RCP
Inflow Area = 6.620 ac, 46.68% Impervious, Inflow Depth > 2.86" for 10 yr event
Inflow = 29.66 cfs @ 12.03 hrs, Volume= 1.575 of
Outflow = 29.58 cfs @ 12.04 hrs, Volume= 1.575 af, Atten= 0%, Lag= 0.6 min
Primary = 29.58 cfs @ 12.04 hrs, Volume= 1.575 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 101.98'@ 12.04 hrs Surf.Area= 826 sf Storage= 816 cf
Plug -Flow detention time= 0.4 min calculated for 1.570 of (100% of inflow)
Center -of -Mass det. time= 0.3 min ( 784.7 - 784.3)
Volume Invert Avail.Storage Storage Description
#1 100.00' 2,103 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq -ft) (cubic -feet) (cubic -feet)
100.00 0 0 0
102.00 835 835 835
103.00 1,700 1,268 2,103
Device Routing Invert Outlet Devices
#1 Primary 100.00' 36.0" Round Culvert
L= 80.0' RCP, groove end projecting, Ke= 0.200
Inlet/ Outlet Invert= 100.00'/ 96.40' S=0.0450'/' Cc= 0.900
n=0.013 Concrete pipe, bends & connections, Flow Area= 7.07 sf
#2 Primary 102.00' Top of Road, C= 3.27
Offset (feet) 0.00 25.00 50.00
Height (feet) 1.00 0.00 1.00
Primary OutFlow Max=29.02 cfs @ 12.04 hrs HW=101.95' (Free Discharge)
�__2=Top
1=Culvert (Inlet Controls 29.02 cfs @ 5.95 fps)
of Road ( Controls 0.00 cfs)

culvert Type 11 24 -hr 10 yr Rainfall=5.44"
Prepared by {enter your company name here} Printed 2/12/2018
HydroCADO 10.00-20 s/n 07329 © 2017 HydroCAD Software Solutions LLC Page 5
Hydrograph for Pond 2Pe 36" RCP
Time
Inflow
Storage
Elevation
Primary
(hours)
(cfs)
(cubic -feet)
(feet)
cfs
5.00
0.00
0
10000
000
550
0.00
0
10000
000
6.00
0.00
0
100.00
000
650
000
0
100.00
000
7.00
000
0
100.00
0.00
750
0.01
0
100.02
0.01
800
0.04
1
100.06
0.04
8.50
0.08
2
100.09
008
9.00
0.15
3
100.12
0.14
9.50
0.21
4
100.15
021
10.00
0.31
7
100.18
0.30
10.50
0.48
10
100.22
0.48
11.00
0.80
17
100.29
0.80
11.50
1 57
34
100.41
1.55
1200
28.52
748
101.89
27.53
1250
3.70
85
100.64
3.75
13.00
205
46
100.47
2.06
13.50
1.53
34
100.40
1.54
14.00
1 21
27
100.36
1.21
1450
1.04
23
100.33
1.04
15.00
0.94
21
100.31
0.94
15.50
084
18
100.30
0.84
16.00
074
16
100.28
0.74
1650
068
15
100.27
0.68
17.00
0.64
14
100.26
0.64
17.50
060
13
100.25
0.61
18.00
0.57
12
100.24
0.57
18.50
0.53
12
10024
053
19.00
0.49
11
10023
0.49
19.50
0.46
10
10022
0.46
2000
0.42
9
10021
0.42

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ENGINEERING & ENVIRONMENTAL
SCIENCE COMPANY
N 3008 ANDERSON DR, SUITE 102
RALEIGH, NORTH CAROLINA 27609
[phone]
Vicinity Map DATE'
Lee Iron & Metal Co. 2/12/18
1085 Old US 421 FIGURE NO
Scale: F'= 1000' Lillington, NC
628