NCG140365_COMPLETE FILE - HISTORICAL_20160223

PERMIT NO.
DOC TYPE
DOC DATE
STORMWATER DIVISION CODING SHEET
NCG PERMITS
IV C.(, 14-0 3te�
A HISTORICAL FILE
❑ MONITORING REPORTS
YYYYM MDD

Compliance Inspection Repo
Permit: NCG140365 Effective: 07/01/11 Expiration: 06/30/16 Owner: S T Wooten Corporation
SOC: Effective: Expiration: Facility: ST Wooten Concmte Plant - Sutton Lake Rd Faciky
county: New Hanover 230 Sutton Lake Rd
Region: Wilmington
Wilmington NC 28401
Contact Person: James Washbum T'Ide: Phone: [phone]
Directions to Facility:
From Wilmington take US 421 North. Turn left on Sutton Lake Road. Project is on the right.
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
Ore -Site Representative(s):
Related Permits:
Inspection Date: 02/2312016 EntryTime: 10:00AM Exit Time: 10:30AM
Primary Inspector: Jean Conway Phone: [phone]
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Reedy helix Concrete StormwaterNVestewater Discharge COC
Facility Status: Compliant Not Compliant
Question Areas:
IN Storm Water
(See attachment summary)
Page: 1

l
permit: NCG140365 Owner - Facility: 5 T Wooten Corporation
inspection Date: 02/2312016 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
The wastewater from the truck wash out are is directed to a small basin that mostly infiltrates and does not have a
discernable discharge.
The entire site is graded as to allow water to run via well vegetated grassed areas into low areas that infiltrate resulting in no
distincy outfall of stormwater from the site.
The potential for a discharge does exist in a heavy rainfall or a unintentional release from the waste pit.
Page: 2

Permit: NGG140365 Owner • Faclllty: 5 T Wooten Corporation
Inspection Date: 02123/201 b Inspection Type: Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan
Yes No NA ME
Does the site have a Stormwater Pollution Prevention Plan?
®❑ ❑ ❑
# Does the Plan include a General Location (USGS) map?
® ❑ ❑ ❑
# Does the Plan include a "Narrative Description of Practices"?
® ❑ ❑ []
# Does the Plan include a detailed site map including outfall locations and drainage areas?
0 • ❑ ❑ ❑
# Does the Plan include a list of significant spills occurring during the past 3 years?
IN ❑ ❑ ❑
# Has the facility evaluated feasible alternatives to current practices?
® ❑ ❑ ❑
# Does the facility provide all necessary secondary containment?
M ❑ ❑ ❑
# Does the Plan include a BMP summary?
®❑ ❑ ❑
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
® ❑ ❑ ❑
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
®❑ ❑ ❑
# Does the facility provide and document Employee Training?
®❑ 0 ❑
# Does the Plan include a list of Responsible Party(s)?
® ❑ ❑ ❑
# Is the Plan reviewed and updated annually?
® ❑ ❑ ❑
# Does the Plan include a Stormwater Facility Inspection Program?
18 ❑ ❑ El
Has the Stormwater Pollution Prevention Plan been implemented?
®, ❑ ❑ ❑
Comment: The discharge from the truck wash out area is directed to a pit with no discemable discharge.
Qualitative Monitoring Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? ❑ ❑ ® ❑
Comment:
Analytical „Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? ❑ ❑ © ❑
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? ❑ ❑ ❑ ❑
Comment: No discernable discharge.
Permit and 00alls Yes No NA NE
# is a copy of the Permit and the Certificate of Coverage available at the site? IN ❑ ❑ ❑
# Were all outfalls observed during the inspection? ❑ ❑ ® ❑
# If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ ® ❑
# Has the facility evaluated all illicit (non stormwater) discharges? ❑ ❑ ® ❑
Comment:
Page: 3

ST,%UXACoC-Ponfick;
GREEN
�-
July 14, 2015
RECEIVED
JUL 2 4 2015
Attn: Central Files CENTRAL FILES
North Carolina Division of Water Quality DWR SECTION
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject. Storm Water Discharge Monitoring
S. T. Wooten Corporation
Wilmington Concrete, NCC140365
Dear Sir or Madam,
In 2015 and period 4, S. T. Wooten contained all process and storm water on our
property.
Sincerely;
S. T. Wooten Corporation
James Washburn
Environmental Compliance Manager

4
A FFYWA
E_
7
MCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
S.T. Wooten Corporation
Attn: Richard E. Vick
PO Box 2408
Wilson. NC 27894-2408
Dear Mr. Vick:
John E. Skvarla, III
Secretary
March 4, 2013
SUBJECT: NPDES Compliance Inspection Report
S.T. Wooten Corporation
Permit Number NCG140365
New Hanover County,
On February 28, 2013, Joanne Steenhuis from the Division of Water Quality Wilmington Regional Office
(WiRO) conducted an inspection of the S.T. Wooten Corporation facility at 230 Sutton Lake Road. The
Division of Water Quality appreciates the assistance provided by Mr. Jimmy Washburn and Mr. Gary
Kilker during the inspection procedures.
This inspection was conducted to verify that the facility is operating in compliance with the conditions
and limitations specified in NPDES General Permit No. NCG140365- This facility was found to be in
substantial compliance with the permit requirements. The findings and comments noted during this
inspection are provided in the enclosed copy of compliance inspection report.
There were no significant issues or findings noted during this inspection, thus a response to this
Inspection report is not required.
Should you have any questions regarding the enclosed compliance inspection report; please contact
Joanne Steenhuis or me at 910.796.7215 or via email at Joanne. SteenhuiQncdenr.gov or
Jim.Gregson@ncdenr.g_o_v. Technical assistance is available at any time by this office should the facility
staff need help understanding the permit requirements.
Sincerely,
Jim . Gregson
Water Quality Regional Supervisor
Wilmington Regional Office
Enclosures: compliance inspection report
cc: Jimmy Washburn via e-mail
DWQ/ Raleigh Central files
NPDES General Permit Inspection Files (New Hanover County NCG 140365)
1601 Mail Service Center, Raleigh, North Carolina 27699-1601 one
Phone: [phone] Internet: www.ricdenr.gov NorthCayrrollina
An Equal Opportunity L Affirmative Action Employer - 50°� Recycled 1 10% Post Consumer Paper Nato a"/yr

;I;-
Compliance Inspection Report
Permit: NCG140365 Effective: 07/01/11 Expiration: 06/30/16 Owner: S T Wooten Corporation
SOC: Effective: Expiration: Facility: ST Wooten Concrete Plant - Sutton Lake Rd
Facility
County: New Hanover 230 Sutton Lake Rd
Region: Wilmington
Wilmington NC 28401
Contact Person: James Washburn Title: Phone: [phone]
Directions to Facility:
From Wilmington take US 421 North. Turn left on Sutton Lake Road. Project is on the right,
System Classifications:
Primary ORC: Certification:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
inspection Date: 02128/2013 Entry Time: 01:30 PM Exit Time: 02:30 PM
Primary Inspector: Joanne H Steenhuis
Secondary Inspector(s):
Phone:
Phone:
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Ready Mix Concrete Stormwater/Wastewater Discharge
C4C
Facility Status: ® Compliant ❑ Not Compliant
Question Areas:
® Storm Water
(See attachment summary)
Page: 1

N
Permit: NCG140365 Owner -Facility: S T Wooten Corporation
Inspection Date: 02/2812013 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
The site was overall in compliance. They do need to do some updating of the SPPP to remove the wording indicating that
there is an outfall at the site. They do have an infiltration basin for the collection of washwater and stormwater. The basin
works, but is basically a hole in the ground where the concrete residue accumulates and is occasionally dipped out by
track hoe and place with the concrete to be crushed and recycled.
Page: 2

Permit: NCG 140365 Owner - Facility: 8 T Wooten Corporation
Inspection Date: 02/28/2013 Inspection Type: Compliance Evaluation
Reason for Visit: Routine
Stormwater Pollution Prevention Plan
Yes
No
NA
NE
Does the site have a Stormwater Pollution Prevention Plan?
Ll ®
❑
❑
❑
# Does the Plan include a General Location (USGS) map?
0
❑
❑
Q
# Does the Plan include a "Narrative Description of Practices"?
13
❑
❑
❑
# Does the Plan include a detailed site map including outfall locations and drainage areas?
®
Q
❑
❑
# Does the Plan include a list of significant spills occurring during the past 3 years?
❑
❑
❑
# Has the facility evaluated feasible alternatives to current practices?
®
❑
❑
❑
# Does the facility provide all necessary secondary containment?
®
n
❑
n
# Does the Plan include a BMP summary?
R3
❑
Q
❑
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
®
❑
❑
Q
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
®
❑
Q
❑
# Does the facility provide and document Employee Training?
®
❑
Q
❑
# Does the Plan include a list of Responsible Party(s)?
®
❑
❑
❑
# Is the Plan reviewed and updated annually?
®
❑
Q
❑
# Does the Plan include a Stormwater Facility Inspection Program?
®Q
n
n
Has the Stormwater Pollution Prevention Plan been implemented?
®
❑
❑
❑
Comment: The site has no outfall. The SPPP does mention an outfall and needs to
be removed from the plan.
Qualitative Monitoring
Has the facility conducted its Qualitative Monitoring semi-annually?
Comment: There is no water leaving the site. The water and concrete residue from
truck washing goes into a pit where the concrete is removed periodically. The soil is
very sandy and infiltrates the water quickly.
Analytical Monitoring
Has the facility conducted its Analytical monitoring?
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
Yes- No NA NE
Q Q ® Q
Yes No NA NE
❑Q®D
❑ ❑ ® Q
Comment: 7 " 2- v/ _L1 /V 0
The site has no outfalls and no water leaves the site. The site has no vehicle maintence
areas meeting the stormwater criteria.
Permit and Outfalls
# Is a copy of the Permit and the Certificate of Coverage available at the site?
# Were all outfalls observed during the inspection?
Yes No NA NE
® ❑ ❑ ❑
❑ ❑ ® Q
Page: 3

Permit: NCG140365 Owner -Facility: 5 T Wooten Corporation
Inspection Date: 02/28/2013 Inspection Type: Compliance Evaluation Reason for Visit: Routine
# if the facility has representative outfall status, is it properly documented by the Division? ❑ 11
# Has the facility evaluated all illicit (non stormwater) discharges?
Comment: There were no outfalls noted.
❑ ❑ ® 0
Page: 4

0 W ArFq
`ct OG
Mr. Richard E. Vick
S.T. Wooten Corporation
3801 Black Creek Road
Wilson, North Carolina 27894
Dear Mr. Vick:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
}y J� North Carolina Department of Environment and Natural Resources
Coleen H. Sullins Director
Division of Water Quality
May 9, 2008
MAY 14 Z008
BY:
Subject: General Permit No. NCG140000
S.T. Wooten Concrete Plant —
Wilmington Plant
C0C. No_ NCG140365
New Hanover County
In accordance with your application for a discharge permit received on September 28,
2006 and As -Built plans submitted on April 25, 2008, we are forwarding herewith the subject
certificate of coverage (COC) to discharge under the subject state -- NPDES general permit. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and
the Memorandum of Agreement between North Carolina and the US Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended). .
Please take notice that this certificate of coverage is not transferable except after notice to
the Division of Water Quality. The Division of Water Quality may require modification or
revocation and reissuance of the certificate of coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act or any other
federal or local governmental permit that may be required.
We apologize for the length;, delay in attention to your application for a discharge permit
and authorization to construct (ATC) wastewater treatment facilities. The COC includes
authorization to operate a wastewater treatment system(s) as constructed. If the company ever
plans to build new or modify existing wastewater treatment systems at this site, it must apply for
an ATC from the Stormwater Permitting Unit at least 90 days prior to construction of those
treatment systems. Please remember this requirement also applies to stormwater treatment
devices that receive any process wastewater(s) as defined in General Permit NCG140000.
If you have any questions concerning this permit, please contact Bethany Georgoulias at
telephone number [phone] ext. 529.
S*914!b NAL SIGNED BY
BRADLEY BENNETT
Coleen H. Sullins
cc: Wilmington Regional Office
Central Files
Stormwater Permitting Unit Files
North Carolina Division of Water Quality 1617 Mail Service Center . Raleigh, NC 27699-1617 Phone [phone]
Internet: www.ncwater�ality.org Location: 512 N. Salisbury St. Raleigh, NC 27604 Fax [phone]
Aaturally
re'b'` Carolina
Customer Service
1-877-623-6748
An Equal OpponunitylAtfinnative Action Employer— 50 % Recycledil (r% Post Consumer Paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140365
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
S. T. Wooten Corporation
is hereby authorized to operate a process wastewater treatment system, and is hereby authorized
to discharge process wastewater and stormwater from a facility located at
S. T. Wooten Concrete Plant
Sutton Lake Road
Wilmington
New Hanover County
to receiving waters designated as an unnamed tributary (UT) to Catfish Creek, a class C; Sw
water in the Cape Fear River Basin, in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of General Permit No.
NCG 140000 as attached.
This certificate of coverage shall become effective May 9, 2008.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day May 9, 2008.
ORIGINAL. SIGNED BY
BRADLEY BENNETT
for Coleen H. Sullins, Director
Division of Water Quality
By the Authority of the Environmental Management Commission

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NCG140365
Map Scale 1:24, 000
S.T. Wooten Corporation
S.T. Wooten Concrete Plant
Latitude: 340 17' 39" N
Longitude: 770 58' 46" W
County: New Hanover
Receiving Stream: LIT to Catfish Creek (Lake Sutton)
Stream Class: C;Sw
Sub -basin: 03-06-17 (Cape Fear River Basin) .
Ma AN
IS
��i�r��a1/
Facility Location

it OF W A TFq
O� QG
r
o �c
May 9, 2008
Mr. Richard E. Vick
S.T. Wooten Corporation
3801 Black Creek Road
Wilson, North Carolina 27894
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen Ii. Sullins Director
Division of Water Quality
Subject: General Permit No. NCG 140000
S.T. Wooten Concrete Plant —
Wilmington Plant
COC No. NCG140365
New Hanover County
Dear Mr. Vick:
In accordance with your application for a discharge permit received on September 28,
2006 and As -Built plans submitted on April 25, 2008, we are forwarding herewith the subject
certificate of coverage (COC) to discharge under the subject state — NPDES general permit. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and
the Memorandum of Agreement between North Carolina and the US Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended).
Please take notice that this certificate of coverage is not transferable except after notice to
the Division of Water Quality. The Division of Water Quality may require modification or
revocation and reissuance of the certificate of coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act or any other
federal or local governmental permit that may be required.
We apologize for the lengthy delay in attention to your application for a discharge permit
and authorization to construct (ATC) wastewater treatment facilities. The COC includes
authorization to operate a wastewater treatment system(s) as constructed. if the company ever
plans to build new or modify existing wastewater treatment systems at this site, it must apply for
an ATC from the Stormwater Permitting Unit at least 90 days prior to construction of those
treatment systems. Please remember this requirement also applies to stormwater treatment
devices that receive any process wastewater(s) as defined in General Permit NCG 140000.
If you have any questions concerning this permit, please contact Bethany Georgoulias at
telephone number [phone] ext- 529.
Ski s1cn1FD BY
BRADLEY BENNETT
Coleen H. Sullins
cc: Wilmington Regional Office
Central Files
Stormwater Permitting Unit Files W1u �2y
North Carolina Division ofwater Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: www.newaterquaiity.org Location: 512 N. Salisbury St. Raleigh, NC 27604 . Fax [phone]
An Equal OppotlunilylAtfirmaWe Acton Employer — 50'/o Recycled/t 0`7o Post Consumer Paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140365
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
S. T. Wooten Corporation
is hereby authorized to operate a process wastewater treatment system, and is hereby authorized
to discharge process wastewater and stormwater from a facility located at
S. T. Wooten Concrete Plant
Sutton Lake Road
Wilmington
New Hanover County
to receiving waters designated as an uiuiairied tributary (UT) to Catfish Creek; a class C; Sw
water in the Cape Fear River Basin, in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, 111, IV, V, and VI of General Permit No.
NCG140000 as attached.
This certificate of coverage shall become effective May 9, 2008.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day May 9, 2008. ORIGINAL SIGNED BY
BRADLEY 3EN. NETT
for Coleen H. Sullins, Director
Division of Water Quality
By the Authority of the Environmental Management Commission

19.3
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NCG140365
r�1
Map Scale I:24, 000
S.T. Wooten Corporation
S.T. Wooten Concrete Plant
Latitude: 3413 17' 39" N
Longitude: 770 58' 46" W
County: New Hanover
Receiving Stream: UT to Catfish Creek (Lake Sutton)
Stream Class: C;Sw
Sub -basin: 03-06-17 (Cape Fear River Basin)
Facility Location

Compliance Inspection Report
Permit. NCG140365 Effective: 05/09/08 Expiration: 07131109 Owner: S T Wooten Construction Co
SOC: Effective: Expiration: Facility: S T Wooten Concrete Plant -Sutton Lake Road
County: New Hanover Sutton Lake Rd
Region. Wilmington
Wilmington NC 28401
Contact Person: Richard E Vick Title: Phone: [phone]
Directions to Facility:
From Wilmington take US 421 North. Turn left on Sutton Lake Road. Project is on the right.
System Classifications:
Primary ORC: Certification:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 05/07/2008
Primary Inspector: Linda Willis
Secondary Inspector(s):
Entry Time: 01:30 PM Exit Time: 03:00 PM
Phone:
Phone: [phone]
Jean Conway Phone:
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Ready Mix Concrete Stormwater/Wastewater Discharge
COG
Facility Status: 0 Compliant ■ Not Compliant
Question Areas:
E Storm Water
(See attAchment summary)
Page: 1

Permit: NGG140365 Owner - Facility: S T Wooten Construction Co
Inspection Date: 0510712008 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
The site did not have a stormwater pollution prevention plan as stated in their NOI dated 9/22/06. The facility is
completed with no method of collecting and or treating contaminated stormwater or wastewater generated from the truck
and mixing drum wash down activities. Currently the water is channelizing down a dirt road to adjacent pine forrest. The
NOI also indicated there would be settling tanks for the wastewater generated on site. None were constructed.
Qualitative Monitoring
Yes
No
NA NE
Has the facility conducted its Qualitative Monitoring semi-annually?
❑
❑
■ Q
Comment: Required semi-annually with the first observation to fall within April - June
and during a rain event coinciding with annual analytical sampling requirement.
Analytical Monitoring
Yes
No
NA NE
Has the facility conducted its Analytical monitoring?
D
■
D Q
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
D
■
D D
Comment: Should be providing analytical to coincide with first semi annual qualitative.
To ensure qualitative is compliant with permit requirement, should be conducted
between April - June.
Permit and Outfalls
Yes
No
NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site?
D
■
D D
# Were all outfalls observed during the inspection?
■
D
D D
# If the facility has representative outfall status, is it properly documented by the Division?
❑
D
n ■
# Has the facility evaluated all illicit (non stormwater) discharges?
D
D
■ D
Comment: The NCG140000 NOI indicated there would be three infiltration basins and
grass swales used for BMPs. No infiltration basins for wastewater was noticed. There
was a stormwater basin for the portion of the facility's runoff from the front parking lot
and possibly half the roof run off. The concrete trucks and mixing drums are washed
down to a paved area that channelizes to a dirt road and into a small pine forrested area
on either side of the road. There was no stormwater pollution prevention plan on site as
the NOI indicated would be developed and implemented prior to operation. No
practices to capture and treat wastewater exists. During heavy rains, discharges from
this site have the potential to reach surface waters unless an appropriate system is
implemented to collect and treat the stormwater runoff and the truck washdown water.
Page: 2

WITH EFTS & RAVEN EL
ENGINEERS I PLANNERS I SURVEYORS
April 24, 2008
N.C. DENR - Division of Water Quality
512 N. Salisbury St
Raleigh, NC 27604
Attn: Mrs. Bethany Georgoulias
RE: S.T. Wooten Concrete Plant: Wilmington, NC — As -Built Drawings
W&R No. 2050449.10
Dear Mrs. Georgoulias:
On behalf of the S.T. Wooten Corporation, we have enclosed three (3) copies of the original
concrete plant plan set. These plans were sealed and signed by Craig Fortner, PE. I have reviewed
the original plan set, and after an on -site inspection, I am familiar with the as -built conditions of the
concrete plant. I hereby certify that the site has been constructed per the original plan set with the
exceptions noted on the attached sheet 5A, which can serve as a record drawing.
If additional information is needed, please contact me by phone at 919-469-3340 or by email at
blee(&withersraven el. com.
Sincerely,
WITHERS &— RAVE NEL
�� ICARtj�/
SEAL
IBM
William "Billy" Lee, PE
Attachments
cc:
Butch Lawter - S.T. Wooten Corporation
Ae,
-rsi MacKenan Drive i Cary, NC 27511 1 tel: [phone] fax: [phone] www.withersravenel.com
7040 Wrightsville Avenue t Suite ioi i Wilmington. NC 28403 t tel: 910.256,9277 1 fax: [phone]
Brunswick Surveying 1 1027 Sabbath Home Rd, SW i Supply, NC 28462 1 tel: [phone] fax: [phone]oi9

spu, F [e—S
NCG140365
January 22, 2008
B. Georgoulias
S.T. Wooten Corporation - S.T. Wooten Concrete Plant (Wilmington)
rev. 5/5/08
Summary
This facility submitted a Notice of Intent to be covered under General Permit NCG 140000
(Ready-?ui:xed Concrete). The stormwater discharge drains to Catfish Creek/Lake Sutton
(Class C; Sw), in the Cape Fear River Basin; This facility is located in New Hanover
County, handled by the Wilmington Regional Office.
Application review
a) The permit application has been signed and sufficiently completed. Yes.
Received September 28, 2006. Review incomplete/add info. not
requested, reassigned in January 2008. Final as-builts received 4/25/08.
b) The SIC code accurately describes this facility's -activities and is covered by this
general permit. Yes, SIC 3273 (Ready -mixed Concrete).
c) Does the facility propose a new or expanding wastewater discharge to ORW
waters (not allowed), or waters upstream of ORW (special limits may apply)?
No.
d) DEH or Shellfish Sanitation Approval Required? NIA
e) Does this facility have other permits? Yes. Authorization to Construct in
accordance with Stormwater Management Ordinance from New
Hanover County (issued July 28, 2006). State SW Permit SW8 051137
Modification issued September 8, 2006 (High Density — Infiltration .
Basins).
f) Hazardous Waste Activities? No.
g) DLR Mining Permit status: NIA
h) Regional Office input requested: 11/8/06 (W. Hare, WiRO) & 5/2/08 (E. Beck).
RO Approval received: 12/8/06; re -verified 5/5/08 (see attached e-mails).
i) Is an ATCIATO Required (NCG02 or NCG14)? Yes. See Special Notes.
j) Erosion/Sedimentation Plan Approval for NCG14 or NCG02 ATC? Yes —
documentation included in application.
k) Application approved? Yes — will have to proceed with COC and ATO to
cover plant as built.
1) In Mecklenburg or Wake County (If so, copy final COC there)? No.

NCG140365
January 22, 2008
B. Georgouhas
m) Special Notes: An ATC was required; however, DWQ did not complete the
review and take final action within 90 days of receipt of this application
(as required per 15A NCAC 2H .0112). The site was built anyway. At
this point, DWQ will proceed with the COC and an authorization to
operate treatment systems in place.
Phone logs
1/24/2008: Attempted to contact design engineer Craig Fortner, Withers & Ravenel
(919.469.3340). Fortner had resigned from the firm in July 2007; Bill Almes will
have staff contact us about the project.
1/29/2008: Spoke with Butch Lawter, S.T. Wooten (252.291.5165). The concrete
plant was built about a year ago and is open/operating. The concrete settling
chambers shown for the truck washout system were never built and probably won't
be. Right now stormwater detention pond is receiving washout water —if it makes
it that far. Vehicle washout done on one side of property on concrete; overflows to
Swale. Some problems with drum washout water pooling behind tank in northeast
corner and may modify the ditch to remedy (?). Advised that we need as-builts to
review current site configuration.
1/30/2008: Spoke with Billy Lee, Withers & Ravenel (919.535.5140). Will send as-
builts of the site so we can proceed with permit COC issuance.
Original Plan Submittal Review (Not applicable after conferring with contacts
because site already built differently. Truck washout treatment system was never
built and probably won't be).
• Washout tank D50 incorrect; settling time over -estimated (okay — provides
conservative detention time)
• Cales are based on there basins, but plans show six — why?
• What drains to washout tank in a storm? 1.0 acre of concrete surface? If so,
do calcs take into account volume of rain falling directly into basins?
• "Pump to mine" indicated after basin 6 on plans. Is this recycled or
discharged from the mine? If recycled, is there a water balance? If not
recycled, how is freeboard maintained? Or is it just discharged?
• Where are the vehicles washed? In area that drains to washout tank? If so,
how much water is that per day?
• What drains to the infiltration basin? Did design take into account cement
fines that will accumulate on the bottom and possibly clog it? Do aggregate
piles drain there?
• What kind of pH adjustment is employed?
• How often will the settling cells be cleaned out? Do tales make any allowance
for volume occupied by solids that have settled out?

NCG140365 January 22, 2008
B. Georgoulias
3/14/2008
As-Builts Review
Plans show site similar to earlier set, but settling chambers on eastern side not
shown (only washout tank). ***Drawings were marked `PR.ELIMINAR17 and were
not signed and sealed by a Y.E. Requested resubmit-tal froin consultant.'r**
5/2/08: Reviewed revised as-builts submitted 4/25 (originals signed and sealed by
Craig Fortner, P.E. with modified Sheet 5A of 8 and certification letter signed and
sealed by Billy Lee, P.E. that verifies changes) Drawing shows settling basins
never built, and truck wash area discharges flow to northwest of property (appears
to be sheet flow, then to ditch at rear corner). Probably not much flow into
detention pond (discharge downstream). See also the red -lined drawing where
discrepancies from original plans are sketched in.
Will issue COC for site as built because it needs to be permitted, however, there is
not much treatment of any kind, apart from overland flow. Site likely to have
compliance issues with NC6140000 permit and will have to make modifications in
the future (consult with WiRO).

Re: ST Wooten - Wilmington Concrete Plant (NCG140365)
Subject: Re: ST Wooten - Wilmington Concrete Plant (NCG140365)
From: Ed Beck <Ed.Beck a ncmail.net>
Date: Fri. 02 May 2008 17:26:01 -0400
To: Bethany Georgoulias<[e-mail]>
CC: Jean Conway <[e-mail]>, Linda Willis <[e-mail]>, Bradley
Bennett <Bradley.Bennett a ncmai1.net>
Bethany
Please disregard the first message without a message. Please go ahead and move
forward under the circumstances that you have described. I will ask Linda and Jean
to visit the site soon and determine what might need to be done to achieve compliance
at the site.
thanks
Ed
Bethany Georgoulias wrote:
Ed,
I'm wrapping up a Ready Mix Concrete NCG14 permit application that was held up in
our office for quite some time and never finalized. The application was for a COC
and authorization to construct for an ST Wooten Concrete Plant in Wilmington on
Sutton Lake Road.
We actually got WiRO's go-ahead on this back in December 2006 from Wes Hare (who I
know is in anther Division now), but a few things have changed since then. I
wanted to update your office on the issues and make sure you're okay with our
proposed action to issue the COC.
This application was reassigned to me earlier this year, and I reviewed the
submitted plans/calcs for a settling system for truck wash water. However, when I
called the engineer with questions, I learned he'd resigned last summer. I also
learned from the company contact that ST Wooten went ahead and built the plant
without ever installing the settling chambers proposed to treat truck wash water,
which is simply discharged at the rear corner of the property (with some perhaps
going into a stormwater retention pond or infiltration basin on site.)
This site has a high density state stormwater permit (SW8 051137 - issued to the
co -located Asphalt Plant, last modified 912006). although that was for three
infiltration basins, so I'm not even sure whether the site configuration is
consistent with what was permitted. It's also unclear whether it's one of those
infiltration basins that might receive some of the truck wash wastewater (though
it's unclear whether that water makes it there).
Anyway, given the situation and fact that the ATC request for wastewater treatment
facilities was not acted upon in the 90-days stipulated by our rules, our approach
was to (1) obtain certified/signed As-Builts for the site from the Engineering
Firm (Withers & Ravenel) and (2) move forward with a COC/authorization to operate
the plant as is under NCG14000C (similar to the way we have covered older sites
coming in under NCG14). Obviously without much treatment of the wastewater, it is
likely that this plant will have compliance issues with the NPDES permit, so I
wanted the WiRO to be aware of it. I also wanted to close the loop with you all
since it has been -1.5 yrs and make sure you are okay with our decision to move
ahead.
Attached to this e-mail is a copy of the original NOI, as well as a copy of the
"red -lined" drawing showing the discrepancy with the proposed plans and what is on
the ground. I will put a copy of the As-Builts in the mail to the region before I
leave today. Billy Lee is the engineer at W&R that helped wrap this project up in
Craig Fortner's absence, and since Craig signed/sealed the original drawing, we
agreed Billy could attach a certified letter to page of the plans that explained
changes he verified in person.
Please let me know if the WiRO is okay with us going ahead and issuing the COC to
close out this project, and let me know if you have any other questions. I'd like
1 of 2 5/5/2008 8:04 AM

Re: ST Wooten - Wilmington Concrete Plant (NCG 140365)
to get it out by the end of next week if possible.
Thanks so much,
Bethany G.
2 of 2 5/5/2008 8:04 AM

Wilmington Concrete Plant
Subject: Wilmington Concrete Plant
From: Billy Lee <[e-mail]>
Date: Thu. 3 Apr 2008 08:48:25 -0400
To: "Bethany Georgoulias"<[e-mail]>
CC: "Butch Lawter" <[e-mail]>
Bethany:
I visited the concrete plant site with Butch Lawter yesterday. The as -built drawing we prepared will require
some modifications to include demonstrating that the truck wash water does not run off to the infiltration
basin but is redirected to the back side of the site. I have red lined the plan and we are having some
additional field survey work completed to include a berm on the back side of the site and the location of the
truck wash. I can send you the redline drawing as a PDF if you would like to see it. As soon as the survey
is completed I will submit the as built. Thanks
WILLIAM "BILLY" LEE, P.E., C.F.M.
WITHERB RAVEN EL
in hlacKenan Drive , Cary, With Carolloa z75►3
tel: 919,469.3340 1 [am 919.238.2099
direct: 919.535.5140 1 Celt: 919.868,7704
m-i-mwithersravenei_corr
1 of 1 4/3/2008 8:50 AM

Re: S.T. WAoten Project - Withers & Ravenel Proj. No.: 02050449.10
Subject: Re.-S.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
From: Bethany Georgoulias<[e-mail]>
Date: Fri, 14 Mar 2008 15:42:33 -0400
To: Billy Lee <[e-mail]>
Billy,
I received the As -Built drawings for the S.T. Wooten plant in Wilmington yesterday.
However, all the sheets are marked 'Preliminary' and are not signed and sealed by a
P.E. We expect As -Built drawings to be signed and sealed permanent documents. Could
you please provide a revised set'of plans with appropriate notation and signature, or
explain why these were submitted with 'Preliminary' on them?
Thank you,
Bethany Georgoulias
Billy Lee wrote:
We have been working on that and trying to work through it with ST
Wooten. Did you send us a letter with your request or was this the
request you made over the phone. I have been trying to chance down a
hard copy of your comments but have not been able to find them.
I will call you tomorrow to discuss where we are_ Thanks
----Original Message -----
Prom: Bethany Georgoulias(mailto:[e-mail]] Sent: Wednesday,
February 27, 2008 3:27 PM
To: Billy Lee
Subject: Re: S.T. Wooten Project - Withers & Ravenel Proj. No.:
02050449.10
Billy,
I'm checking on the status of our additional information request for the
S.T. Wooten site in Wilmington. I spoke with you at the end of January
about this site, and you noted that a topo would be done by early
February, and that there would be a timeline you could update me on. What is the
status of this project, and when can we expect a current
site plan with the facilities as -built and additional detail on design
capacity, etc.? If you have any questions, please let me know.
Regards,
Bethany Georgoulias
Bethany Georgoulias
Environmental Engineer
NC DENR Division of Water Quality
Stormwater Permitting Unit
tel.°[phone], ext. 529
fax [phone]
Bill Almes wrote:
Bethany,
Thank you for your phone message today. I spoke with some of the other staff
who were involved with this project last week. Per their request, your contact
information has been forwarded on and you will be contacted by Mr. Billy Lee,
Director of our Water Resources Department (or his Project Manager) to discuss
the permit application review comments so that they may respond accordingly.
1 of 3 3/14/2008 3:59 PM

Re: S.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
Billy Lee can be reached by email at [e-mail]
cmailto:[e-mail]> or by telephone at [phone].
Thank you for your attention to this matter. You will be contacted shortly.
Best regards,
Bill Almes
William Almes Withers & Ravenel Inc. Ill MacKenan Dr. Cary, NC 27511 tel:
919.469.3340 fax: [phone] Direct:*919.535.5204
http://www.withersravenel.com <http://www.withersravenel.com>
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includes any attachments and other documents referred to herein,
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of 3 3/14/2008 159 PM

Re: S.T. Wooten Project - Withers & Ravenel Proj. No.; 02050449.10
Subject: Re: S.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
From: Bethany Georgoulias<[e-mail]>
Date: Thu, 28 Feb 2008 07:42:12 -0500
To: Billy Lee <BLee cr withersravenel.eom>
Billy,
I did not write a letter. In our phone conversation on January 30th, you said you
would provide a timeframe for submitting a more current site plan the following week,
but I never heard any more. My initial review comments on Craig Fortner's design
information were not applicable since the system was never built as submitted in the
original plans, so I needed something else to get a handle on what the
design/capacity is of the facilities as -built.
Thanks,
Bethany Georgoulias
e 4.
Billy Lee wrote: 1 frii
We have been working on that and trying to work through it with ST
Wooten. Did you send us a letter with your request or was this the
request you made over the phone. I have been trying to chance down a
hard copy of your comments but have not been able to find them.
I will call you tomorrow to discuss where we are. Thanks
r=--Original Message ---
From: From: Bethany Georgoulias imailto:Bethany.Geor [e-mail]] Sent
February 27, 2008 3:27 PM
To: Billy Lee
Subject: Re: S.T. Wooten Project,- Withers & Ravenel Proj. No.:
02050449.10
Billy,
Wednesday,
I'm checking on the status of our additional information request for the
S.T. Wooten site in Wilmington. I spoke with you at the end of January
about this site, and you noted that a topo would be done by early
February, and that there would be a timeline you could update me on. What is the
status of this project, and when can we expect a current
site plan with the facilities as -built and additional detail on design
capacity, etc.? If you have any questions, please let me know.
Regards,
Bethany Georgoulias
Bethany Georgoulias
Environmental Engineer_
NC DENR Division of Water Quality
Stormwater Permitting Unit
tel. [phone], ext. 529
fax [phone]
Bill Almes wrote:
Bethany,
Thank you for your phone message today. I spoke with some of the other staff
who were involved with this project last week. Per their request, your contact
information has been forwarded on and you will be contacted by Mr. Billy Lee,
1 of 3 2/28/2008 3:56 PM

Re: S.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
Director -of our Water Resources Department (or his Project Manager) to discuss
the permit application review comments so that they may respond accordingly.
Billy Lee can be reached by email at [e-mail]
<mailto:[e-mail]> or by telephone at [phone].
Thank you for your attention to this matter. You will be contacted shortly.
Best regards,
Bill Almes
0
William Almes Withers & Ravenel Inc. Ill MacKenan Dr. Cary, NC 27511 tel:
919.469.3340 fax: [phone] Direct: 919.535.5204
http://www.withersravenel.com <http://www.withersravenel.com>
NOTICE OF CONFIDENTIALITY AND NONDISCLOSURE: This electronic message, which
includes any attachments and other documents referred to herein,
contains information from Wither & Ravenel, Inc. that may be legally privileged
and confidential. The information is intended for the use of the addressees)
only. if you are not the addressee, note that any disclosure, copying,'
printing, distribution, or use of the contents of
this message is prohibited. If you received this message in error, please
advise the sender by reply and delete this electronic message and any
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COPYRIGHT NOTICE: Copyright 2007 by Withers & Ravenel,-Inc. All Rights
Reserved by Withers & Ravenel, Inc. This notice applies to this electronic
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to.therein. This electronic message, any attachments thereto and all documents
referred to therein are the proprietary property of Withers & Ravenel, Inc.
This electronic message, any attachments thereto and all documents referred to
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this electronic message by Withers & Ravenel, Inc. or receipt of this ,Message
by the recipient or any other party.
2 of 3 2/28/2008 3:56 PM

FZS.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
Subject: S.T. Wooten Project - Withers & Ravenel Proj. No.: 02050449.10
From: "Bill Almes" <[e-mail]>
Date: Mon, 28 Jan 2008 14:26:07 -0500
To:<[e-mail]>
CC: "Billy Lee" <[e-mail]>
Bethany,
Thank you for your phone message today. I spoke with some of the other staff who were involved
with this project last week. Per their request, your contact information has been forwarded on and
you will be contacted by Mr. Billy Lee, Director of our Water Resources Department (or his Project
Manager) to discuss the permit application review comments so that they may respond accordingly.
Billy Lee can be reached by email at [e-mail] or by telephone at (919)
535-5140. Thank you for your attention to this matter. You will be contacted shortly.
Best regards,
Bill Almes
WILLIAM S. ALMIZO, F.E.
DIRECTOR or SOLID Wf Src & UcoTCGMNiOSL
WITHERS & RAVEN EL
itt Macknan Drive r Cary, North Carollna 27511
tel: [phone] r tax: 919.535.4545
direct:91g.535.520h r cell:919.791.7607
nextel:15o"a6`31410
yimy.►Yithe rsraveneLeant
NOTICE OFCONRDENT IALITY AND NONDISCLOSURE
This electronic message, which Includes any attachments and otherdocunlents referred to herein, contains information from Withers &
Ravenel, fnc. that may be legally privileged and conridential. The information Is intended for the use of the addressee(s) only, Ifyw are
not the addressee, note thatarry disclosure, copying, printing, disuibution, uruse of the caatcr,!s of this message Is prohibited. Ifyou
received this message in error, phase advise the sender byreply and delete this etectronic message and any attachments.
COPYRIGHT NOTICE: Copyright 2o08 by Withers & Raveni:t, Inc. Alt Rights Reserved by Withers & Ravenel, Inc. This notice applies to
thisetectronic message, all attachments thereto, and all documents referred to therein. this electronic message, any attachments
thereto and at] documents referred to therein are the proprietary property of %Vithers & Ravenel, Inc. This electronic message, any
attachments thereto and all documents referred to therein are provided for the recipient's information only, and no rights are tr,rns-
lerred by the transmission of thiseiectronic message by Vfithers & Ravenel, Inc. or receipt of this message by the recipient or any other
party.
1 of 1 1/28/2008 3:19 PM

[Fwd: [Fwd: Looking for approval for the 2 attached N01s]]
Subject: [Fwd: f Fwd: Looking, for approval for the 2 attached NOIs]]
From: Wes Hare <Wes.Hare a ncmail.net>
Date: Fri, 08 Dec 2006 15:47:43 -0500
To: [e-mail]
ncmail.net
CC: Linda Willis <[e-mail]>
Hi Aisha- here are two more General Permit NOls you wanted comments on:
ST Wooten Concrete Plant- New Hanover County NCG140365
see no stormwater or wetland related issues with this site. I recommend issuance. "
Joe and Web Cox Farm- Brunswick County NCG020694
Linda Willis did the review for this facility's Land Quality Mine Permit, so, I'm not sure why it
was given to me to review, also. Her comments noted the requirement for wetland delineation
and subsequent O&M plan, based on that delineation. It appears she had reason to believe
there were potential wetland impacts. Also, there was notation on the stream classification of
SA and associated fecal monitoring. I'm not sure of what you have up there regarding updated
wetland information.
Please let me know of any questions.
Thanks,
Wes
------- Original Message--------
Subject:[Fwd: Looking for approval for the 2 attached NOls]
Date: Wed, 08 Nov 2006 15:23:40 -0500
From:Ed Beek <[e-mail]>
To:Wes Hare <W'es.Hafe Cuncrnaii.net>
Wes Hare
Environmental Specialist 11
N.C. Department of Environment and Natural Resources
Division of Water Quality, Surface Water Protection Section
Wilmington, North Carolina
Phone: [phone]
Fax: [phone]
Subject: Looking for approval for the 2 attached NON
From: Aisha Lau <[e-mail]>
Date: Wed, 08 Nov 2006 15:16:54 -0500
To: Ed Beck <Ed.Beck@ncmaiLnet>
Howdy Ed,
oft 12/11/2006 7:14 AM

SEP.11.2006 12:45PM NCDENR WIRO
a �
September 8, 2006
Mr. Richard F. Vick, Vice President
S.T. Wooten Corporation
3801 Black Creek Road
Wilson, NC 27894
NO.078 P.2
Michael 1+, Easlcy, Govemor
William G. [toss Jr., sc=tary
North Carubno Dgwu ont of Bovirommem and Natural Resources
Subject: Stormwater Permit No. SW8 051137 Modification
S.T. Wooten Asphalt Plant
High Density Project
New Hanover County
Dear Mr. Vick:
Alan W. Klimek, P.E. Dftz t7r
Division of Water Quolily
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for S.T. Wooten Asphalt Plant on August 17, 2006. Staff review of the plans and
specifications has determined that the project, as proposed, will comply with the Stormwater
Regulations set forth in Title 15A NCAC 2H 1000, We are forwarding Permit No, SW8 051137
Modification dated September 8, 2006, for the construction of the subject project.
This modification adds: (a) Drainage Area C at 3.45 ac (within previously permitted project
area of 32.44 ac); (b) 69,260 square feet of impervious area within Drainage Area C; and (c)
Infiltration Basin C for treatment of stormwater runoff from built -upon area within Drainage
Area C.
There are no changes to the built -upon areas or drainage areas for previously permitted
Basins A and B, and all previously permitted design parameters for Basins A and B remain
unchanged. Please replace all previously approved drawings with attached Sheets #1 through
#8 plus cover sheet, all approved on September 8, 2006.
This permit shall be effective from the date of issuance until September 8, 2016, and shall be
subject to the conditions and limitations as specified therein. Please pay special attention to
the Operation and Maintenance requirements in this permit. Failure to establish an adequate
system for operation and maintenance of the stormwater management system will result in
future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have
the right to request an adjudicatory hearing -upon written request within sixty (60) days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150E of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447, Unless such demands
are made this permit shall be final and binding.
If you have any questions, or need additional information conceming this matter, please
conZ,C.rtlett, or me at [phone],
Sin
Fdwa
Regional Supervisor
Surface Water Protection Section
15?k,
ENBIptb: S:IWQSISTORMWATFRIPERMIT1051137MOD.sept06
cc: Craig M. Fortner, P.E., Withers & Ravenel, Inc.
Tony Roberts, New Hanover County Building inspections
City of Wilmington Stormwater Services
Beth E, Wetherell, New Hanover County Engineering
Paul T. Bartlett, P.E.
North Catalina Division of Water Quality 127 Canlinui Otrive Bxtension Wilmington, NC 28405 Phone [phone] Customer 3eMw
Wilmingion ittgional Office lmemet: a ' a Fat [phone] 1-877-623-6742
An Equal Opportunity/AfflrmaWa Aetton Empbyer— 50% RaycW110% Past Consumer Paper

5EP.11.2006 12:45PM NCDENR WIRO N0.078 P.3
September 8, 2006 State Stcrmwater Management Systems
Permit No. SW8 051137 Modification
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PER
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of
North Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Richard E. Vick and S. T. Wooten Corporation
S.T. Wooten Asphalt Plant
New Hanover County
FOR THE
construction, operation and maintenance of three Infiltration basins in compliance with
the provisions of 15A NCAC 2H .1000 (hereafter referred to as the hstormwater rules'
and the approved stormwater management plans and specifications and other
supporting data as attached and on file with and approved by the Division of Water
Quality and considered a part of this permit,
This modification adds: (a) Drainage Area C at 3.45 ac (within previously permitted
project area of 32.44 ac); (b) 69,260 square feet of impervious area within Drainage
Area C; and (c) Infiltration Basin C for treatment of stormwater runoff from built -upon
area within drainage Area C.
There are no changes to the built -upon areas or drainage areas for previously permitted
Basins A and B, and all previously permitted design parameters for Basins A and B
remain unchanged, All previously approved drawings are repplaced with Sheets #1
through #8 plus cover sheet, all approved on September 8, 1006.
This permit shall be effective from the date of issuance until September B, 2016, and
shall be subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater
runoff as described in Section 1.6 on page 3 of this permit. The stormwater
control has been desi ned to handle the runoff from 22147 (Basin A), 16202
(Basin B), and 69260�Basin C) square feet of impervious area.
3. The tract will be limited to the amount of built -upon area indicated on page 3 of
this permit, and per approved plans. There is no allotment for future built -upon
area at the site.
Page 2 of 7

SEP.11.2006 12:46PM NCDENR WIRO N0.078 P.4
September B, 2006 State Stormwater Management Systems'
Permit No, SW8 051137 Modification
4. All stormwater collection and treatment systems must be located in either
dedicated common areas or recorded easements. The final plats for the project
will be recorded showing all such required easements, in accordance with the
approved plans.
5. The runoff from all built -upon area within the permitted dralnage area of this
project must be directed into the permitted stormwater control system.
6. The following design criteria have been provided in the infiltration basins and
must be maintained at design conditlons:
Basin #A#A Basin #B Basin C
a. Drainage Area, acres: 1.09 1.03 3.45
Onsite. ft2: 47,480 44,867 150,282
Offslte, fe: None None None
b, Total Impervious Surfaces, ft2: 2.2,147 16,202 69,260
G. Design Storm, inches: 2 2 2
d. Basin Depth, feet; 0.5 0.5 1,2
e. Bottom Elevation, FMSI_; 17.5 17.5 14.0
f. Bottom Surface Area, ft2: 7,130 7,274 10,514
g. Bypass weir Elevation, FMSL: NIA NIA NIA
(provided volume 4X requirement)
h. Permitted Storage Volume, W. 3,760 3,782 24,310
I. Type of Soil; Kr, Le Kr, Le Kr, Le
j. Expected Infiltration Rate, in/hr., 52 52 52
k. Seasonal High Water Table, 13.5 13.5 12
FMSL:
1, Time to Draw Dal n, ha_: s: 0.2 0.3 0.5
M. Receiving Streem/River Basin: Cape Fear River / Caipe Fear
n. Stream Index Number: 18-(63)
o. Classification of Water Body: "c; Sw°
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of any
built -upon surface.
2, During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
Page 3 of 7

SEP.11.2006 12:46PM NCDENR WIRO N0.078 P.5
September 8, 2006 State Stormwater Management Systems
Permit No. SW$ 051137 Modificaton
3. The permittee shall at all times provide the operation and maintenance
necessary to assure the permitted stormwater system functions at optimum
efficiency. The approved Operation and Maintenance Plan must be followed in
its entirety and maintenance must occur at the scheduled intervals including, but
not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
c. Mowing and revegetation of slopes and the vegetated filter.
d. Immediate repair of eroded areas,
e. Maintenance of all slopes In accordance with approved plans and
specifications.
f. Debris removal and unclogging of bypass structure, infiltration media, flow
spreader, catch basins, piping and vegetated filter.
g. A clear access path to the bypass structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon
request to authorized personnel of DWO. The records will indicate the date,
activity, name of person performing the work and what actions were taken.
5. The facilities shall be constructed as shown on the approved plans. This permit
shall become voldable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other
supporting data.
6. Upon completion of construction:, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received
from an appropriate designer for the system installed certifying that the permitted
facility has been installed in accordance with this permit, the approved plans and
specifications, and other supporting documentation. Any deviations from the
approved plans and specifications must be noted on the Certification. A
modification may be required for those deviations,
7. If the stormwater system was used as an Erosion Control device, it must be
restored to design condition prior to operation as a stormwater treatment device,
and prior to occupancy of the facility.
S. Access to the stormwater facilities shall be maintained via appropriate
easements at all times.
9. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, Tor any
modification to the approved plans, including, but not limited to, those listed
below:
a. Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or to the
drainage area,
e. Further subdivision, acquisition, lease or sale of all or part of the project
area. The project area is defined as all property owned by the permittee,
for which Sedimentation and Erosion Control Plan approval or a LAMA
Major permit was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
10. The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction.
Page 4 of 7

SEP.11.2006 12:47PM NCDENR WIRO NO.078 P.6
September 8, 2006 State Stormwater Management Systems
Permit No. SW8 051137 Modification
11. A copy of the approved plans and specifications shall be maintained on file by
the Permittee for a minimum of ten years from the date of the completion of
construction.
12. The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements. The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made.
ill, GENERAL CONDITIONS
1. This permit is not transferable except after notice to and approval by the Director.
In the event of a change of ownership, or a name change, the permittee must
submit a formal permit transfer request to the Division of Water Quality,
accompanied by a completed name/ownership change form, documentation
from the parties involved, and other supporting materials as may be appropriate,
The approval of this request will be considered on its merits and may or may not
be approved, The permittee is responsible for compliance with all permit
conditions until such time as the Division approves the transfer request.
2. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittse to enforcement action by the Division of Water Quality, in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
3, The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances, which may be imposed by
other government agencies (local, state, and federal) having jurisdiction.
4. in the event that the facilities fail to perform satisfactorily, including the creation
of nuisance conditions, the Permittee shall take immediate corrective action,
including those as may be required by this Division, such as the construction of
additional or replacement stormwater management systems.
5. The permittee grants DENR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
6. The permit may be modified, revoked and reissued or terminated for cause. The
filing, of a request for a permit modification, revocation and reissuance or
ten,nination does not stay any permit condition.
7. Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in tho North Carolina Erosion and
Sediment Control Planning and Design Manual.
8. Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
9, The permittee shall notify the Division any name, ownership or mailing address
changes within 30 days,
Permit issued this the $th day of September 2006.
� 3AENVIRONA MANAGEMENT COMMISSION
MI, • III I,V,a, I ,F,, L/II, —avl
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

SEP.11.2006 12:47PM NCDENR WIRO
September 8, 2006
NO.078 P.7
State Stonnwater Management Systems
Permit No. SW8 051137 Modification
S.T. Wooten Asphalt Plant
Stormwater Permit No. SW8 051137 Modification
Now Hanover County
Designer's Certification
Page 1 of 2
I, , as a duly registered
in the State of North Carolina, having been authorized to observe (periodicallyl weeklyl
full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
Page 6 of 7-
SEAL

NO.078 P.8
sEP.11.2005 12-47PM NCDENR WIRO
September 8, 2006
Certification Requirements,
State Stormwater Management Systems
Permit No. SW8 051137 Modification
Page 2 of 2
1. The drainage area to the system contains approximately the permitted
acreage.
2. The drainage area to the system contains no more than the permitted
amount of built -upon area.
3. All the built -upon area associated with the project is graded such that the
runoff drains to the system.
,4. All roof drains are located such that the runoff is directed into the system.
5. The bypass structure weir elevation is per the approved plan.
6. The bypass structure is located per the approved plans.
_ 7. A Trash Rack is provided on the bypass structure.
a. All slopes are grassed with permanent vegetation.
-9, Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause short-
circuiting of the system,
�11. The permitted amounts of surface area and/or volume have. been
provided.
__. 12. All required design depths are provided.
13. All required parts of the system are provided.
�14. The required system dimensions are provided par the approved plans,
cc: NCDENR-DWQ Regional Office
Tony Roberts, New Hanover County Building Inspections
Page 7 of 7

SEP.11.2806 12:48PN NCDENR WIRO NO.078 P.9
OFFICE USE ONLY
Date Received
Fee Paid Permit Number
Mate of North Carolina
Department of Environmental and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
L GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
ST Wooten Corporation
2. Print Owner/Signing Official's game and title (person legally responsible for facility and compliance):
e.H Ao-C. V, i C — 71JD6-.4T'
3. Mailing Address for person listed in item 2 above:
S.T. Wooten Corporation, 3801 Black Creek Road
City: Wilson State: NC Zip: —27834_
Telephone Number: 952) 291-5165
4_ Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specificatians, letters, operation and maintenance agreements, etc.):
ST Wooten Asphalt Plant _
5. Location of Project (street address):
Sutton Lake Road
City: Wilmin on --County. w Hanover
6. directions to project (from nearest major intersection):
From Wilmington take rte,421 North, tum left on Sutton Lake Road, project site is on the right.
7. Latitude: 34" 17' 40" N Longitude: 77" 58' 58" W of project
S. Contact person who can answer questions about the project::
Name: Telephone Number. (910) 462-t34D
II. PEPL IITi INFORMATION:
L Specify whether project is (cheek one): - New Renewal x Modification
Corm sWU-101 Version 3.99 Page 1 of4-

8EP.11.2006 12:48PM NCDENR WIRO NO.078 P.10
2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number SWA051 117 - and its issue date (if known) 116106
3_ Specify the type of project (check one):
Low Density _X _ High Detlsity Redevelop — CreneraI Permit Other
4. Additional Project Requirements (check applicable blanks):
CAMA Major X Sedimentation/Erosion Control 4041401 Permit NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748
IIL PROJEJ CT INFOILMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
Storrawater will be treated in 1 infiltration basin. Basin is sized for the 2" rainfall event, and also serves as a
stormwater detention pond.
2. Stormwater runoff from this project drains to the Cape Pear
3.
4.
5.
6.
Total Project Area: 32.44 acres.
Project Guilt Upon Area: %.
How many drainage areas does the project have9 5
River Basin.
Complete the following information for each drainage area, if there are more than two drainage areas in the
project, attach and additional sheet with the information for each area provided it) the same format as below.
Basin Infonnation
Drainage Area To PIMP A
(previously permitted and
unchanged)
Drainage Area To BMP B
(previously permitted and
nnehanged-
Receivittg Stream Name
Lake Sutton
hake Sutton
Receiving Stream Class
C
Drainage Area
1.09 ac
1,03 ac
Existing Ittt ervious*Area
0.00 ac
0.00 ac
Proposed Impervious* Area
0.51 ac
0.37 ac
% Im rvious* Area(Total)
46.8 %
35.9 %
Impervious* Surface Area
Drains a Area To 3MPA
Drains a Area To BMPS
On -Site Buildings
0 sf
1,568 sf
On -Site Streets
16,940 sf
14,634 sf
Asphalt Plant Site
5,207 sf
0 sf
Total; 22,147 0.51 ac)_Total
16,202 sf 0,37 aQ
'Impervious area f.4 defined as the built upon area including, but not limtred to, buildings, roaa[s. parking areas,
sidewafks, gravel areas, etc,
7. How was the off -site impervious area listed above derived- N1A_
a
Form SWU-101 Version 3.99 Pageyo+

5EP.11.2006 12:48PM NCDENR WIRO
N0.078 P.11
6. Additional Drainage Areas.
Basin Information
Drainage Area. To BMP C
ROPOSED
Receiving Stream Name
Lake Sutton
Receiving Stream Class
NW e '
Drainage Area
3.45 ac
Existing Im ous*Area
0.00 ac
Pro osed lm rvious* Area
1.59 ac
% Impervious* Area(Total)
9.33 %
Impervious Surface Area
Drainage Area To BMP C
On -Site Buildin
8?0 sf
On -Site Streets
30,928 sf
As halt Plant Site
37.462 sf
Total: 69,260 1.59 ac
Basin laformation
Drainage Area To Mine*
Unreated Area
Receivirig Stream Name
NIA
Lake Sutton
Receiving Stream Class
N/A
N/A
Drainage Area
12,32 aye
14.55 ac
ZJxistizy Im ervious*Area
0.00 ac
0.12 ac from rev, application)
Pro osed Impervious* Area
3.41 ac
0.12 ac
[ t:rtrious* Area (Total)27.68
%E
L65 %
lm envious Surface Area
Area To Mine*
Untreated Area
On -Site Buildings
__PpLiAage
0 s£
0 sf
On -Site Streets
0 5f
10.454 sf
Asphalt Plant Site
52,030 sf
0 sf
Concrete plant Site
96,510 sf
0 sf
Total; 148,540 ac
Total 10.454 sf 0.24 ac
*Area draining into mine does not include area covered by d
mining pormit, and drainage basin has no outfatl. �d,[`
p -� 91g(ab
0
Form SWU-101 Version 3.99 Nag /o+

SEP.11.2005 12:49FM NCDENR WIRO
NO. 070 P , 12
IV. DEED RESTRICTIONS AND PROTECTIVIM, COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
Subdivisions, out parcel~, and future development prior to the sale of any lot. If lot Sizes vary significantly, a
table listing each lot number, size, and the allowable built -upon area for each lot must be provided as an
attachment.
The following covenants are intended to ensure ongoing compliance wrth state stormwater management
permit number as issued by the division of Water Quality. 73rese covenants may not
be changed or deleted without the consent of the State.
2. No more than squarefect of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt, gravel, concrete, brick stone, slate or similar material but not include
wood decking or the water surface of swimming pools.
3. Swates shall not be filled in, piped, or altered except as necessary to provide driveway crossings.
4_ Built -upon area in excess of the permitted amount requires a state stormwater management permir
modification prior to construction.
S. All permitted runofffrom the outparcels or future developrwni shall be directed into the permitted
stormwater control system_ These connections to the stormwater control systern shall be performed in a
manner that maintains the integrity and performance of the system as permitted.
By your signature below, you certify that the recorded deed restrictions aqd protective covenants for this project
shall include all the applicable items requirM above, that the covenants will be binding on all parties and persons
claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted
without concurrence from the State, and that they will be recorded prior to the sale of any lot.
V_ SUPPLEMUNT !FORMS
i he applicable state stormwater management permit supplement form(s) listed below must be submitted for
each BMW specified for this project. Centact the Storrawater and Geno l Permits Unit at (919) 733-50"03 for
the status and availaboity of these fortes_
Form SWU-102
Wet Deterition Basin Supplement
Form SWU-103
Infiltration Basin Supplement
Farm SWU-104
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWLJ-106
Off Site System Supplement
Form SWU•i07
Underground Infiltration Trench Supplement
Form SWU-10$
,'ease River Basin Supplement
Form SWU-109
Innovative Best Management Practice Supplement
Form SWU-10i vorsinn 3.99 Page 3 of4__

SEP.11,2006 12:49PM NCDENP, WIRO N0.078 P.13
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of WsterQuolily (DWQ). A
complete package includes all of the items listed below. The complete application package should be submitted to
tIte appropriate DWQ Regional Office.
Please indicate that you have provided the following required information by initialing in the space provided
neat to each item.
Initials
+ Original and one copy of the Stormwater Management Permit Application Form Awle
+ One copy of the applicable Supplement Form(s) For each DMP 61-125
+ Permit application processing fee of $420 (payable to NCDENR)
• Detailed narrative description of stormwater treatment/managemcnt
Two copies otplans and specifications, including: G -
- Development! Project name
- Engineer and firm
- Legend
-North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned prop"Iproject boundary
- Location map with named streets orNCSR numbers
Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
Drainage areas delineated
- Vegetated buffers (where required)
Vll. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf, please complete this section.
Designated agent (;rdividual or firm): Withers & Ravene?, Ine• ,.
Mailing Address: I t I Mackenatt Drive
City Cary State: NC Zip: 27511
Phone: [phone] Fax: (919)S35-4545
VAL APPLICANTS CERTIFICATION
1, (print or type name gfperson listed in General /rrformairon, item 2) 1 C ""a V wy—
certify that the information included on this permit application form is, to the best ofmy knowledge, correct and
that the project will be constructed in conformance with the approved plans, that Elie required deed restrictions and
proremive covenants will be recorded, and that the proposed project complies with the requirements of I SA
NCAC 2H.1000. ..T.. �r . -p rw pr.
Signature: Bate_ STO Z.6b(0
Form SWU-101 version 3.W Page 4 of�

SEP.11.2006 12:49PM NCDENR W1RO
NO.078 P.14
Permit No.
(to be provided by D WO)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ.Stormwater Management Plan Review:
A complete stormwater management plan submittal includes a stormwater management permit application, an infiltration
basin supplement for each system, design calculations, soils report and plans and specifications showing all stormwater
conveyances and system details.
1. PROJECT INFORMATION
Project Name: ST Wooten Asphalt Plant
Contact Person: Bale Werenko Phone Ntunber: (919 469-3340
This worksheet applies to: Basin No. A in Drainage Area A
(as identified on plans) (from Form SWU-101)
11. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be based upon
an actual field investigation and soil borings. County soil maps are not an acceptable source of soils information.
All elevations shall be in feet mean sea level (fmsl).
Soils Report Summary
Soil Type
Infiltration Rate
SHWT Elevation
Basin Design Parameters
Design Storm
Design Volume
Drawdown Time
Basin Dimensions
Bashi Size
Basin Volume Provided
Basin Elevations
Bottom Elevation
Storage Elevation
Top Elevation
ke. Lie
52 inflir or cMw/sf (circle appropriate tints)
13.5 £msl (Seasonal High Waxer Table elevation)
2 irkh (L 5-inch event for SA waters, 1-inch event for others)
3500 01.
1 days
115 ft. x 62 ft.� 7130 sq. t (bottom dirnemionsr)
3750 c.f.
17.5 fmsl
_18.0 _-- frMl
18.5 fmsl
H1. REQUIRED ITEMS CHECKLIST
The following checklist outlines design requirements per the Storrnwaterr Best Management practices Manual (N.C.
Department of Environment, Health and Natural Resources, February 1999) and Administrative Code Section: 1S A
NCAC 2H.1008.
Form SWU-1 03 Rev 3.99 Page 1 of 3

SEP.11.2006 ,12:50PM NCDENR WIRO
NO.078 P.15
Inftfal in the space provided to indicate that the following design requirements have been met and supporting
documentation is attached. if the applicant has designated an agent in the Stormwater Management Permit Application
Form, the agent may initial below. Attach justification if a requirement has not been met.
Applicants Utials
a. System is located SO feet from class SA waters and 30 feet from other surface waters.
b. System is located at least 100 feet from water supply wells.
c. Bottom of system is at least 2 feet above the seasonal high water table.
d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon,
e. System is not sited on or in fill material or DWQ approval has been obtained.
�.. _ f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access easements to the nearest public right-of-way.
g. Drainage area for the device is less than 5 acres.
h. Soils have a minimum hydraulic conductivity of 0.52 inches per hour and soils report is
attached.
i, System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1,5-inch event for
areas draining to SA waters ). Design volume and infiltration calculations attached.
j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off -site drainage. Calculations attached.
k. All side slopes stabilized with vegetated cover are no steeper than 3:1(H:V).
1. A pretreatment device such as a catch basin, grease trap, filter strip, grassed swale or sediment
I trap is provided,
PJ (A m. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or
dense vegetative coin- r i0s. pro :rid_ed_
�0 A n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum
length is 50 feet for SA waters, 30 feet for other waters).
o. Flow distribution mechanism within the basin is provided.
p. A benchmark is provided to determine the sediment accumulation in the pretreatment device.
-A q, Runoff in excess of the design volume bypasses ruff -line systems (bypass detail provided),
r. System is designed to draw down the design storage volume to the proposed bottom elevation
under seasonal high water conditions within five days. A soils report and all pertinent
drawdown calculations are attached.
s. Plans ensure that the installed system will meet design specifications (constructed or restored)
upon initial operation once the project is complete and the entire drainage area is stabilized.
Form SWi7-103 Rev 3.99 Page 2 of 3

.SEP.11.2006 12:50PM NCDENR WIRO NO.078 P.16
IV, LNFILTRA'> ION BASri OPERATION A_ND MALN'I NAlti CE AGREE, MINT
After every nmoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, reseed as necessary to maintain adequate vegetative cover, mow vegetated
cover to maintain a nnilrcirnum height of six inches, and remove trash as needed.
After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration, Remove =y blockage and repair the structure to approved design
specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the original
design depth without over -excavating. Over -excavating may cause the required water table separation to be
reduced and may compromise the ability of the system to perform as designed_ Removed sediment shall be
disposed of in an appropriate manner and shall not be handled in a mariner that will adversely impact water
quality (i.e. stockpiling near a stormw2ter t-vatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original design
depth so that accurate sediment accumulation readings can be taken. The rrien$uring device used to determine the
depth at the benchmark shall be such that it will give an accurate depth reading and not readily penetrate into
accumulated sediments.
When the design depth reads 0.35 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment anti and the infiltration basin.
5. If the Division deterznine� that the system is failing, the system will immediately be repaired to original design
specifications. If the system cannot be repaired to perform its design functioxn, other stormwater control devices as
allowed by N'CAC 71~l A 000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the five maintenance
procedures Iisted above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or
responsible patty. `
Print Name and Title: .dgre, f%_. V, O. V ► C�,rs�� a.
Address: '� `7 �� _
Phone: Z13t V - S l.ta + �Date, 111-1 165
Signattrre:
Note_ The legally responsible party should not be a homeowners association unless more than 50% of the lots have
been sold and a resident of the subdivision has been named the president. II
),—a f10.. � . 2 a J � 1^D a Notary Public for the State of � e Z17r County of
I �J1 LS D 7 1. _ do hereby certify that �r � � � � � E V personally appeared before
me this day of fmm las r� U � 5 , and acknowledge the due execution of the
forgoing infiltration basin maintenance requirements. Witness my hand and official seal,
SFAi.r � �i1CGt..� �i • � My commission expires:
Farm SWiJ-lo3 Rev 3.99 Rage 3 of 3

12/.CEP. 11.200612 12:50PMI 46VCDENR WIRO WIIMRS & &AVENEL � NO_07e P_ 17002/011
Pa u it No-
(ro be provided by x]W
State of North Carolina
Department of Environment and Natural Ream 00'j�%
Division of Water Quality /s-1
MRMWATER MANAGEMENT PERMrr APAICATION FORM
ll i1U' MITON BASIN SUPPLMORNT
This form may be photocopied for zae as an 0rf9bW
Dw0 Storm �ana¢cm�tPlan 'aw: .
A complete staxmwetar management plan submittal includas a smtmwa n nmag==t pant application, an inffilration
basin supplement for each system, design csIculatlans, soils repmt and puns and speoffications showing all starrnwater
conveyancre and *,st= detat7s.
L , PRO-MCT MORMATION
Pr6ectName: ST Wooten haltPbmI
Contact Person: Dale Werenko Pbone Number: A 919) 469.3340 —
This worksheet applies to-, Basin No. B in Dmin;gd Area B
(as fdenti ed on p ) (from Form 5`wu-101
rC. DESIGN IlYll'ORKATrON - An=h suppurtg calculatioTWdoc==ta bon. The soils report am3t be based upon
an acNal field investigation and saal bm iugs. Caunty soil maps are not an acceptable source of sots Woxmatien.
All elevations shall be in feet melm sea level (f d).
t
Sells Report Sum,O m
Soil Type f e,
Infiltration Ram _ l or cVbr/sf {circle apPtnPt tale ur ts)
SHWT $ievation 13 S _ fatal. (&=oval High Water Table elevoffan)
Bast )Design Parameters
Design Stercn 2 inch (1.S-&z4h everttfor ss hires. MArh evmtforotherSj
Dcsign Volume 3510 c-£
Drawdown Time 1 days
Basler Mrnensions
Basin Sixc 218 & x 40 ft = 7274 sq. ft (bottom dimmuioms)
Bain Volume Provided 3782 c.f.
Basin Elevations
Bottom ElevatioM 17.5 frnsl
Storage Elevation 18.0 -- - fmsl
Top EIevation 19.5 final
ID. REQUMED =M$ CITECKLIST
The following checklist outlines design requirements per the Starmwater Bent M,eaapmmt Pre dads Manual (N.C.
Departmmt of Lnvironrrscnt, health and Natural Resamces. February 1999) and Administrative Cade Section: 15 A
NCAC 2H.10D8.
Form SWU-1D3 Rev 3.99 Page l of 3

I2i.)EP.11.200613 12:51PM) 46VCDE:NR !TIRO WITRERS & PAI*r%7T
NO.0713 P.19JQp31011
at Init$ad in the space provided to indic2te that: the WO`vving dcsi gn requiternents have been met and supporting
doeuvientation is attached. If the applicant bu dzsigrrattd an agent in the Stomlwater Mwmgcutent Permit ApplicatioA
Form, the agent may initial below. Attaeb juadfirrAtlon If a requirement b" not been met.
A.pplicaats luittals
a. System is located 50 feet from class SA waters and 30 feet from other sn'fiLca waters-
b. System is located at least 100 feet f o= water supply myella.
c. Bottom of system is at last 2 feet above the seasonal high watrr table_
d- Bottom of dx system is 3 feet above any bedrock or impeivious soil torimn.
e. Syst m is not sited on or in fill material or I3W Q approval has been obtai=&
f. System is Ineated in a recorded drainage easea¢=t for the purposes of operation and
maintenance and has recoWed access easements to the nearest public right-of-way.
g. Drainage Brea for the device is less d= 5 amzs-
h. Soils havo a minimum bydraulic conductivity of CM arches per !tour and soils report is
attaahcd_
i. system capttu-" sx d infiltrates the rtmoff fiam the first 1.0 inob of rainfall (l .5-inch event for
areas drairtms tv SA waters ). Deztgn volume end r 0tmfion calculations attached.
j. System is sized to take into account the runoff at the ultimate butit-out potential from all
surfaces dmining to the syst m, incbiding any off -site drainage. Calculariom attached.
k All side slopes stabilized with vegetated cover art no steeper than 3.1 (.EI;V).
1. A pretreatment &:*rice such as a eatnh bnin, Vease trap, Eller strip, grassed swele or sediment
trap is provided.
1 J �� nL Bottom of the device is oovtred with µ layer of clean sand to an average depth of 4 inches or
denst vegetative; cover is provided.
NIA v Vege)ated filter is provided for wtvIlow and detail is shown on plans (Required minimum
I!ngth is 50 fter for SA waters, 30 feet for other waters).
o. Flow distribution mtc=ism Within the ba-� is provided.
p. A benchmark is provided to dettimint the sedimmi accumulation in tht preveatxment device.
! A q. Runoff in exces-s of the degign volume bypasses off-line systems (bypass detail provided).
r. System is &signed to draw down the design storage volurne to the proposed bottom elevation
tlyder seasonal high water coedit}otis w-itlain five days. A soils report and all pertinent
drawdowu ulculatims are attached.
s. !'Inns assure that the installed system will meat design speciCjeatiotrs (constructed nr restarcd)
Upon irnitial opemtion once the project is complete and the entire drainage area is stabilized.
form ,S` 7U- l43 Rev 3.99 Pap- 2 of 3

12/SEP. 11. 2006-S 12:51PMI 487VCDEIAR WIRO WITEERS NO.078 P- 19 004/011
IlgM TRA TION BASIN OPERATION AND MAINUNANCE A►
1. After every rmoffpwdueing rain &ll event and at leant mmtbly iatspOt the infijtra&m system for erosion, trash
aecurrxrilation. Vegetative cover, and gen=1 condition.
2. Repair eroded areas immediately, arced as necessary to maintairi adequa#e vaptmi.ve cover, =w vegetated
cover to xnnintain a rrwd qum height of six inches, and remove hash as i=ded.
3. After every r moff producing raiin.f$jl event aid at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioratim Remove any bloc mgc and repair the struct=to approved design
spcoificatxons,
4, Remove accumulated sediment frem the pretrWaimit system and inf9tratlon basin anmiaUy or when depth in the
pretreatment unit is reduced to 75% of the original design depth. The system shill be restaged to the original
design depth without over -excavating, Ones-excavabAg may cause the requu d wata table separation to be
redu,ced and sway campremase the abilitt of the system to parfor= ae desig aed Roved sediment shall be
disposed of in an appropriate manner and shall not be handled in a marmer that will adversely impact water
quality (Lt. stockpiling new a stormwater treatment device or su==, etc-).
A beacbn=k shall be established in the pretreatment unit The bencktax:k vAll documept the original design
depth so that accurate sediment accumulatianreadings can be taken. The measuring device used to &tmailne the
depth at the bencthry rk shall ba such that it will give an accurate depth reading and twt readily penetrate into
aectm]lllatcd sediments_
When the dc2ign depth reads 5 feot In the pretrea tnent iwt4 the sediment shall be
removed from both the pretreatment wait and the infiltration basin.
5. If'the Division detezmines that the sysr=n is failing, the system will im mdkWy be repaired to original design
specifications. If the system cannot be repaired to perfarrrl its design firnctir other stormwatcr control drvices as
allowed by NCAC 21-I A 000 must be designed; approved and coast meted.
I acknowledge and agree by mty signaWre below that I am responsible for the perfommmcc of the fivo rnainter=ce
procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or
r�wr neary:Lla redy..
Print Name and Tstle; _+
Address: C',.1� 6— - - 1�JL.�
Phone: (MM_ 2.cjL� .° t—co<=-r- � Date: ,0 �_.._
Note: .The legallj) respo nsible parly.should riot be a ho►ncowners rasocfation unless more than 50% of doe lass have
been sold and a resadenr of the subdivision has been ranted the president_
�4nFr4
1,_�.fi/11� .t� o. Notary Public for the Series of County of
- U2 11S4 A do hereby certify dint 1 r A 6 i d-- Y 1a personally appeared before
rA me this c3ay of �� � , end tcknnwledge the due exccution ofthu
forgoing infiltration basin maintenance requirements. Witness my hand and official seal,
SEAL � My co=nission expires: _ LWo
Fern: swu-105 Re- 3.99 Ydgc , of 3

SEP.11.2006 12:52PM NCAENR WIR4 NO.078 P.20
' Permit No. <ks D5 t tt t 3 Vt' T !?o
'T (to be provided by !);VQ)
State of North Carolina
Department af Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form may be photocopied for use as an original
DWQ Stc.>smwateFAanagernent Plsu RZevieuw;
A complete stormwater management plan submittal includes a storrnwater management permit application, an infiltration
basin supplement for each system, design calculations, soils report and plans and specifications showing all stonnwater
conveyances and systern details _
I. PROJECT rNFORMATION
Project Name: ST Wooten Concrete Plant
Contact Person: Craig Fortner Phone Number_ ( 919 ) 469-3344
This wor"ksheet applies to: Basin No- C in Drainage Area C
(as identified on plans) (from Form ,SWtf101)
II. DESIGN INFORMATION - Attach supporting calculationsldocurnemation. The soils report must be based upon
an actual field invMigation and soil borings_ County soil maps are not an acceptable source of soils information.
Al elevations shall be in feet mean Sea level (Fmsl).
Soils Report Summary $Jb M
soil Type 1
Infiltration Rate 52 inlh orcf/hrlsf (eircleappropriate units)
SHWT Elevation fatsl (Seasonal High Water Table elevation)
basin Design Parameters
Desivs Stem 2 inch (1.5-inch avent for SA waters, 1-inch event for others)
Design Volume 14389 c_r-
Drawdown Time I days
Baasia Dimensions
Basin Size 210,(avg) ft- X Si av ft_=_I05.14 sq. ft (bottom dimensions)
Basin'Volume Provided 24310 c.f_
Basin Elevations
Bottom Elevation 14.0 fmsl
Storage Elevation 15"2 fmsl
Top Elevation 16.0 frrrsl
U11- REQUIRED ITEMS CHECKLIST
]Me fol[pwing checklist outlines design requirements per the Stormwater Best Management Practises Manual (N.C_
Department of Environment, Health and Natural Resources, Pebn-mi-y 1999) and Administrative Code Section: IS A
NCAC 2H.1009-
Form S W U- l03 R-ev 3.99 Page I of 3

5EP.11.2006 12:52PM NCDENR W1R0
NO.07B P-21
Initial ih thespaee provided to indicate that the following design requim Mcnts have been met and supporting
documentation is attached. If the applicant has designated an agent in the Stonnwater Management Permit Application
Ponn}, the agent may initial below. Attach jnstiircation if a requirement has not been met_
Applicants Initials
e"t1e a. System is located 50 feet from class SA waters and 30 fW. from other ,surface waters_
(. 1� b. Systet;t is located at least 100 feet fcorn water supply wells.
c. Bottom of systern is at least 2 feet above the seasonal high water table.
d. Bottom of the system is 3 feet above any bedrock or impervious soil horizon.
e. System is not sited on or in fill material or DWQ approval has been obtained.
Z f. System is located in a recorded drainage easement for the purposes of operation and
maintenance and has recorded access eas=ents to the nearest public tightofway.
6--P
g. Drainage arm for the device is Less than 5 acres.
h. soils have a minimum hydraulic conductivity of0.52 inches per hour and soils report is
attached.
i- System captures and infiltrates the runoff from the First 1.0 inch of rainfall (1.5-inch event for
areas draining to SA waters ). Design volume and infiltration calculations attached.
j. System is sized to take into account the runoff at the ultimate built -out potential from all
surfaces draining to the system, including any off site drainage. Calculations attached.
k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H:V)_
1. A prett'eatment, device such as a catch hasirt,, grease trap, filter strip, grassed swak or sediment
trap is provided-
tn. Bottom of the device is covered with a layer of clean sand to an average depth of inches or
dense vegetative cover is provided.
n. Vegetated filter is provided for overflow and detail is shown on plans (Requited minimum
length is 50 feet for SA waters, 30 feet for other waters).
o_ plow distribution mechanism within the basin is provided.
p. A. benchmark is provided to determine the sediment accumulation in the pretreatment device_
e--r q. Runoff in excess of the design volume bypasses off line systems (bypass detail provided).
_ r. System is designed to draw down the design storage volume to the proposed bottom elevation
under seasonal high water conditions within five days. A soils report and all pertinent
drawdown calculations are attached.
s_ Plans ensure that the installed system will meet design specifications (eonAmcted or restored)
upon initial operation once the project is complete and the entire drainage area is stabilized
Fora SWU-103 Rev 3.99 Page 2 of 3

SEP.11.2006 12:52PM NCDENR WIRO
IV, -INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
NO.078 P . 22
2-
3.
After every runoff' producing rainfall event and at least monthly inspect the infiltration system for erosion, trash
accumulation, vegetative cover, and general condition -
Repair eroded areas immediately, reseed as necessary to maintain adequate vegetmive cover, snow vegetated
cover to maintain a maximum height of six inches, and remove trash as needed.
After every runoff producing rainf4i event and at least monthly inspect the bypass, inflow and overflow
structures for blockage and deterioration. Remove any blockage and repair the structure to approved design
specifications.
Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the
pretreatritmt unit is reduced to 75% of the original design depth_ The system shall be restored to the original
design depth without over -excavating. Over -excavating may cause the requited water table separation to be
reduced and may compromise the ability of the system to perform as designed. Removed sediment shall be
disposed of in an appropriate manner and shall not be handled in a manner that will adversely impact water
quality (i.e- stockpiling near a storntwater treatment device or stream, etc.).
A benchmark shall be established in the pretreatment unit. The benchmark will document the original design
depth so that accurate sediment accumulation read4Vs can be taken. The measuring device used to determine the
depth at the benchmark shall be such that it will give an accurate depth reading and not readily perorate into
accumulated sediments.
When the design depth reads 0,10 feet in the pretreatment unit, the sediment shall be
removed from both the pretreatment unit and the infiltration basin_
If tho Division detennines that the system is failing, the system will in ntediately be repaired to original design
specifications- If the system cannot be repaired to perform its design function, other stormwnter control devices as
allowed by NCAC 2H A 000 must be designed, approved and constructed.
I acknowledge and agree by my signature below that I am responsible for the performance of the five maintenance
procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or
responsible party- -r 1p!:�' oc► A�
Print Name and Title: �Ir�4c.�Art� e _ NIL CyL , rCe—
Address:
Phone:
Signature
Note: 2"he legally responsible party should nor be a homeowners association runless more than 50% of the lots haw
been sold and a resident of the subdivision has been named the president.
I, JQIJ4 a Notary Public for the State of .. _ _ A 044 County of
- do hereby certify that ickcu lJf C C personally a"cared before
rno this day of ^_ (�� Q a � , and acknowledge the due execution of the
forgoing infiltration basin maintenance requirements. Witness my hand and official seal,
SEAL My comtrussion expires: , •Q—- �S
Form SWU=1tl3' -Rev 3.99 page 3 of 3

SEP.11.2006 12:53PM NCDENR WIRO
NO.078 P.23
S.T. Wooten Concrete Plant — New Hanover County
INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT
After every runoff producing rainfall event and at least monthly inspect the Infiltration
system for erosion, trash accumulation, vegetative cover, and general condition.
2. Repair eroded areas immediately, reseed as necessary to maintain adequate vegetative
cover, mow vegetated cover to maintain a maximum height of six inches, and remove
trash as needed.
3. After every runoff producing rainfall event and at least monthly inspect the overflow
structures for blockage and deterioration. Remove any blockage and repair the structure
to approved design specifications.
4. Remove accumulated sediment from the pretreatment system and infiltration basin
annually or when depth in the pretreatment unit is reduced to 75% of the original design
depth. The system shall be restored to the original design depth without over -excavating.
Over -excavating may cause the required water table separation to be reduced and may
compromise the ability of the system to perform as designed. Removed sediment shall
be disposed of in an appropriate manner and shall not be handled in a manner that will
adversely impact water quality (i.e. stockpiling near a storm water treatment device or
stream, etc..).
A benchmark shall be established in the pretreatment unit. The benchmark will
document the original design depth so that accurate sediment accumulation readings
can be taken. The measuring device used to determine the depth at the benchmark shall
be such that it will give an accurate depth reading and not readily penetrate into
accumulated sediments.
I acknowledge and agree by my signature below that I am responsible for the performance of
the seven maintenance procedures listed above. I agree to notify New Hanover County of any
problems with the system or prior to any changes to the system r responsible party.
.7r. � %a � A Cam. �, is r
Print name: % a Wa a c . \! ► C-V�—
Title: C-?_ •�--5► E-'-
Address: 0 0 %W-W ,.. -Z40 5 _ t � a�. 64. C- "Z'16F& ..�
I
Phone: 'Zq k 5:1 �y
Date:
Signa

SEP.11.2006 12:53PM
1
NCDENR WIRO
NO.078 P.24
1, a Notary Public for the State of
County of , do hereby certify that,,g b 1%i G
personally appeared before me this -_'-day of and acknowledge
the due execution of the forgoing wet detention basin maintenance requirements. Witness my
hand and official seal.
SEA4
My commission expires _ a��

NEW HANOVER COUNTY
Beth Easley Wetherill, C.P.E.S.C.
Soil Erosion Specialist
August 1, 2006
Richard E. Vick, VP
S.T. Wooten Corporation
Post Office Box 2408
Wilson, North Carolina 27894
Engineering Department
230 Market Place Drive - Suite 160
Wilmington, North Carolina 28403
TELEPHONE [phone]
,41 F®
lvitbQr �� ?�a6
s _
� RaLen
RE: GP 74.05, Revision #1 for S.T_ Wooten's Concrete Plant
Dear Mr. Vick:
Enclosed is the original and a copy of the revised grading permit that you applied for.
Please read the permit conditions carefully and return the signed original to our office and keep
the copy for your records.
Thank you for your cooperation. if you have any further questions, please feel free to
contact our office.
Sincerely,
Beth Easley Wetherill
Soil Erosion Specialist
New Hanover County
cc: Ann Hines, NHC Zoning
R.S. L.awter, Jr-, S.T. Wooten Corporation
Craig M. Fortner, P.E., Withers & Ravenel
Enclosure

VEACpyT� Permit# GP 74-05
G Revision #1
�FHOFWA
New Hanover County Permit f or a Land Disturbing Activity
Department of Engineering
230 Market Place Drive - Suite 160
Wilmington, North Carolina 28403
[phone]
As authorized by the New Hanover County Erosion and Sedimentation Control Ordinance
This permit issued to S.T. Wooten Co oration authorizes the development of 80.9 acres of land on Sutton
Lake Road for S.T. Wooten's Asphalt and Concrete Plant and site clearing_ in New Hanover County. This permit
issued on December 8 2005 is subject to compliance with the application and site drawings, all applicable
regulations and special conditions and notes set forth below_ Any plan modifications must be approved by this
office prior to field changes.
It is understood by the applicant that a representative of New Hanover County's Engineering Department
may inspect the site at any time following the issuance of this Permit. A copy of the approved Soil Erosion Plan and
this permit must be available at all times at the site.
Failure to execute the provisions of this permit and the approved Soil Erosion Plan, or any other provisions
of the New Hanover County Soil Erosion and Sedimentation Control Ordinance, shall result in immediate legal action
by the County to the limits prescribed by the Ordinance. I.f the measures outlined on the approved Soil Erosion Plan
and this Permit prove insufficient, additional Erosion Control measures can and will be required which in turn will
be considered provisions of this Permit. This Permit does not preclude any other permits or approvals necessary for
beginning or completing this development. Approval of an erosion control plan is conditioned on the applicants
compliance with Federal and State laws, regulations and rules. It is the Permittee's responsibility to obtain all
necessary permits and approvals.
SPECIAL CONDITIONS
(THESE CONDITIONS MUST BE FOLLOWED IN ADDITION TO THE PLANS AND SPECIFICATIONS)
*All the soil erosion control measures will be installed as the site is cleared and maintained tluoughout construction.
The original approval issued 12/8/05 for the Asphalt Plantand site clearing included two (2) construction entrances,
silt fences and immediate construction and stabilization of the infiltration ponds. No mining is allowed without a
Mining Permit from North Carolina Department of Environment & Natural Resources.
*Tree Removal Permits must be acquired from the City of Wilmington and/or New Hanover County prior to
clearing the site.
*Silt fence stakes will be placed six feet apart without wire reinforcement or eight feet apart with wire.
reinforcement.
*This permit does not preclude any permits or approvals which may be necessary such as DEM Water Quality,
C.A. M.A., the Corps of Engineers, DEM Solid Waste or any other agencies.
*No sediment shall leave the site.
*If plan revisions are necessary you must su brztit a copy to this office for. approval prior to any field changes. *If soil
is reimoved from the site, it must be taken to an approved or permitted site to be identified to this office prior to
removal from the site.
*All City and/or County and State drainage and stormwater requirements will be adhered to.
*If these measures fail to adequately control erosion, more restrictive measures willbe required.
*If a-ny phase of grading ceases for more than 21 calendar days (all areas, including slopes), the site will be
temporarily stabilized.
*The approval of an erosion control plan is conditioned on the applicants compliance with Federal and State Water
Quality laws, regulations and rules.

Continued) - Page Two
Permit # GP 74-05
Revision #1
Note the enclosed NPDES information from the State for sites disturbing 1 acre or more and the required rates
ar seed, lime, fertilizer and mulch in your seeding specifications.
A pre -construction meeting is required prior to any activity on site. Please contact Beth E. Wetherill at (91p) 748-
139 to set up this meeting.
*Revision #I for the Concrete Plant was approved 81VO6. The erosion control measures include two (2)
onstniction entrances, two (2) excelsior matted swales, inlet and outlet protection and immediate
onstruction and stabilization of the infiltration detention pond C and its slopes.*"
'his Permit will expire one year from date of issue
no construction activity begin on site. This permit
iay not be amended or transferred to another party
rithout approval of this office.
eth Easley Wetherill, C.P.E.S.C.
oil Erosion Specialist/New Hanover County
Acknowledgment of receipt of Permit
Owner
By (please print)
Signature

NEW HANOVER COUNTY
Engineering Department / Water and Sewer District Gregory R.-nDmpson, P.E_, P.L.S
rr * 230 Nfarket Place Drive , Seiite 160 CnMnry Fr,�-Teer
a Wilmington, NC 28403 James S. Criig, P,E..
Depmr i Cornry Enginerr
*+ Telephone [phone]
NoRra fax [phone]
July 28,2006
Withers & Ravcnel, Inc.
111 MacKenan Drive
Cary, North Carolina 27511
Attu: Mr. Craig Fortner, PE
RE: S.T. Wooten Concrete Plant
Dear Mr. Fortner:
We have reviewed the application and submittal package for the above referenced project
and have issued an "Authorization to Construct". Any deviations from the approved plans
will require re -submission.
The approval issued by the County is that the application and supporting documents are
complete and in accordance with the requirements of the ordinance. Nothing whatsoever in
the approval should be construed as or be deemed to create additional duties on the part of
the County of New Hanover that are the responsibilities of the Owner and the design
professional.
If there is a need for a change in ownership, an "Ownership Change Form" must be
submitted and a fee of $ 100-00 will be required.
Please be advised, if the land disturbing exceeds one acre, the project will treed a
Sedimentation & Erosion Control Permit prior to the disturbance.
Please note.- Upon completion of the construction required by the Authorization -To -
Construct", the design professional's certifwation nitat be delivered to the County.
If you have any, questions regarding the foregoing information, please: contact our office
Sincerely,
ames P. Iannucci, PE, Cl i`<I
Project Engineer
New Hanover County
JPI/pdm
cc: File 4255-07/28/06
Reade Dawson — S.T. Wooten Corporation

COMPLETION CERTIFICATION
Upon the completion of the construction as authorized by the "Authorization -To -
Construct", the Owner shall submit the following certification prepared by the
design professional_
Designer's Construction Certi cation:
"I have adequately observed the progress of the construction work required by the
Authorization -To -Construct, and to the best of my professional ability, due care
and diligence certify that this work has been completed in accordance with the
latest New Hanover County Storm Water Ordinance and Storm Water Design
Manual and the Authorization -To -Construct."
Project Name:
ATC Number:
Signature:
Printed Name & Title:
Date:
Registration Number:
SEAL

� �A710A
NC®ENR
� Cy+ — CYwwr.+[.n a
&-w ,- N.yyR.y RS]WiCCs
NOTICE OF INTENT
Division of Water Quality / Surface Water Protection
National Pollutant Discharge Elimination System
NCG140000
FOR AGIENCY USE ONLY
Date Received
Ye Mont a
Certificate ofCov rage
Chee
Am9b
n
�
Pcmiit Msigwd w
National Pollutant Discharge Elimination System application for coverage under General Permit
NCG140000:
c
STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classified a'
� t-n
SIC (Standard Industrial Classification) Code - 3273 Ready Mixed Concrete
X t.)
alo t�
0
For new plant sites that will discharge or recycle process wastewater (even if commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to Construct (ATC) wastewater
treatment facilities. ATC requests must be submitted at least 90 days prior to construction'.
For existin plant sites discharging or recycling process wastewater (even if commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to continue to operate wastewater
treatment facilities in place. Construction, modification, or installation of any new treatment components
at an existing site requires an ATC.
Treatment facilities used to treat or recycle process wastewater (including stormwater BMP structures
treating process wastewater flows commingled with stormwater) require an ATC prior to construction
per 15A NCAC 2H .0138. The authorization to construct or continue to operate will be issued at the
same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities t -.
must comply with requirements of 1 SA NCAC 2H .0138 & .0139. „
Construction of wastewater treatment facilities (this includes recycle systems) at new or existing plant
sites requires submission of three (3) sets of plans and specifications signed and sealed by a
Professional Engineer (P.E.) or qualified staff' along with this application. A -copy of the design
calculations should be included. Please see questions 14 & 15.
1 -
For questions, please contact the DWQ Regional Office for your area. (See page 5)
(Please print or type)
1) Mailing address of owner/operator (address to which all permit correspondence wit! be mailed:
Name _� �_ ✓00��K- LO/PC rG%1K _
Street Address 38ar
City (,J,'/re-N State Jc._ ZIP Code _2 789`l-
Telephone No. Zsz 1 ?9/- Fax: 7- f'23 2y.7-o9a[ _
2) Location of facility producing discharge:
Facility Name S. T CJa /"
Facility Contact 1P11 /-C- I- G4 W ALr-
Street Address S., kk,, eke
City �J-/,;_ /,D State _�� ZIP Code 2FY4cil
County G� aMVGr -
Telephone No. Fax: 2sL 2_YZ-4>96r
Page 1 of 5
'As per 15A NCAC 2H .0106
'Unless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to
perform such work for their respective companies in accordance with General Statute$, 89C-25 (7). plans and specifications must be signed
and sealed by a P.E.
SWU-229-101905 Last revised 10/1912005

NCG140000 N.O.I.
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
Ldirection from a roadway intersection). _F-a.� /�:1.•-:.arfn T A'keY �ox .7/
(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 3Y` /7- Vb'/ Longitude 71" S8 ' s8"GJ (deg, min, sec)
5) This NPDES Permit Application applies to which of the following:
New or Proposed Facility Date operation is to begin d� T{ zao(n
❑ Existing
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: 3 2 4 3
7) Provide a brief description of the types of industrial activities and products produced at this facility:
(Include a site diagram showing the process areas present at this facility.)
72 lW -.-t.
8) Discharge points / Receiving waters:
How many discharge points (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the
property? _l 1 �r�: �� J;hh, .�alt�cc. �� SoHa � L� /pc- la—,
What is the name of the body or bodies of wat r (creek, stream, river, lake, etc.) that the facility stormwater
and/or wastewater discharges end up in? Z4ke_ f- f46
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): C; Sw
Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must
be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage
under NCG140000 cannot be granted. No new discharges of process wastewater are permitted
in receiving waters classified as WS-1 or freshwater ORW.
9) Does this facility have any other NPDES permits?
ONo mo f rye ,8t:..yti i0sr o ok'c_cer�- cis l� l � � j � � C 6 t ao ao c b
❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility:
10) Does this facility have any Non -Discharge permits (ex: recycle permits)?
[%No
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
11) Does this facility employ any best management practices for stormwater control?
❑ No
O Yes
If yes, please briefly describe: 7'Grrcc "_fi/l+2'h% " LaC:_S7 Mrs S"r—l" _
Page 2 of 5
SWU-229-101905 Last revised 10/19/2005

NCG140000 N-0.1.
F
12) Does this facility have a Stormwater Pollution Prevention Plan?
XNo T be dtve..lat'A e--J
❑ Yes 1
If yes, when was it implemented?
13) Are vehicle maintenance activities occurring or planned at this facility?
9 No
❑ Yes
Wastewater Treatment Design Information
14) Are discharges occurring or planned from any of the following process wastewater generating activities?
Vehicle and equipment cleaning 5r Yes C1 No
Wetting of raw material stockpiles Cl Yes �d No
Mixing drum cleaning
Yes ❑ No
If yes to any of the above, please describe the type of process used*to treat and/or recycle the process
wastewater. } 5;,��'}za�,.e.� �� Sti car{ c i. fla.� el S� � l"-1 h,.—k.
For a sufficient application, you must provide design specifics (e.g., design volume, retention time, surface
area, etc.) and calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU, Total
Suspended Solids (TSS) — 30 mgll, and Settleable Solids (SS) — 5 mill.) [Use separate sheet(s)].
If all these discharges are recycled, please refer to Question 15.
For plants that recycle and/or dischar a process wastewater.
When applying for this permit, you are also applying for an authorization to construct (new
treatment facilities) or authorization to continue to operate (existing treatment facilities) as
part of the NOI. For new sites, you must submit three (3) sets of design plans and
specifications with this application and provide supporting calculations that predict
compliance of final discharge with permit limits. For existing sites. applicants should submit
three (3) sets of plans and specs for facilities as -built and provide as many design details as
possible, or submit a detailed diagram of treatment systems in place that includes information
such as tank volumes, dimensions, retention time, piping, settling basin details, etc.
Please mote., ff new treatment systems are planned for an existing site, an RTC will be required
prior to construction of those facilities. Plans/specs/calculations prepared by a P.E. and the
request for an ATC may be submitted with this NOI, or separately at a later date. DWQ may
request the status of your plans for requesting an ATC upon issuance of the COC.
15) Does the facility use or plan to use a recycle system?
X No
❑ Yes
If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
year, 24-hr rainfall event
For a recycle system (regardless of when it overflows), please provide plans, calculations, and design specifics
(e.g., throughput assumptions/water balance, design volume, retention time, surface area, amount of
freeboard in design storm event, etc.). [Use separate sheet(s)].
otaFor a sufficient application, the information must demonstrate compliance of final discharge with permit effluent
limits (pH -- 6-9 SU, Total Suspended Solids (TSS) — 30 mg/i, and Settleable Solids (SS) — 5 mill), or must
demonstrate that the recycle system has sufficient capacity to contain runoff from a 25-year, 24-hr rainfall
event plus one foot of freeboard under design operating conditions.
Page 3 of 5
SWU-229-101905 Last revised 10/1912005

-212006 11:17 FAX 7t32 243 0900 S 1 W90TEN-W11-UN [A 005/006
09/22/06 08:04 FAX [phone] WITHERS & t3AVENEI. INC. iil]005
NGG140000 N.0,1.
16) Are wHatewatipr treatment facilities (including recycle systems) planned In the 100-year flood plate
j<No I] Yes If so, Irdude information to demonstrate protection from floo-ding. (Minimum d©sign
requirements for treatment works include protoction from the IOt1-year flood, per 15A NCAC 2H .0219.)
17) Hazardous Waste:
a) Is this fadiity a Hazardous Waste Treatmfint, Storage, or Disposal Faciltty7
g Nu
0 yes
b) Is this facility a Small Quantity Generator (inns than 100p Kg. of hazardous waste generated per month) of
hazardous waste?
ONO
0 Yes
c) Is thta facility a Large Quanuty Generator (1000 kg. or more of hazardous waste, generated por month) of
hazardous waste?
>4'No
0 Yea
d) if you answered yeas to questions b. ore., please pmvide the following information_
Tyµ"(s) of waste:__
How Is Material stored:
Where is material slortrd:
Flaw many disposal shipments per year.
Nome of transport f disposal vendor:
Von dor address:
16) Certification:
North Carolina Qwneral Statute 143-215.6 D(1) provides that:
Any person wno kruvrin&iy maker any faltie ulatamant, rvpresbntetian, nr Cerarkcetfotf in any ap eetl6n, record, rupurk plan, or Other
document flied or required to lw malntain©d under this awvde or a rule Impkrrwrrtfng U► W Article; or wtw knowingly makes a fafaa
atatoraont of a metwlut fact In a rulomekln8 Prdceeding or oanteeteo csse under lhsi Arwe; at who raw lug, tamps- wrth. or knowingly
mdera lnadcvrata pny re=rdeng or mor.ltorir,g deylog 9r m*Mm mquked to be op6mlad a mahLik-ed Lx+der ihta Article or rules of Lila
fEnv{ranrn enW Managarttentl Curnrnlea on Implamentinp this ArGda attae bin griliy of a pasa 2 rrNsdaateenar whlch may indtio. a fine
not to arcood ten th—reond dollom (S10,000).
hereby request coverage under the referenced Genaml Permit. I understand that coverage under this permit
will constitute tho permit re quiremento far the discharge(G) and is enforcoebie in the same manner as an
individual permit.
I Certify that 1 am farnitiar wmi the Information contained in this appllcatlon and that to tho bust of my knowledge
and trriiief such Information is true, pompl:-te, and aoMmte.
Printed Name of
Titre: N/1_kc c--
,4pplrcant)
(Date Signed)
NoUcu of intent must lee actsompenied by a check or monwy ordar for $80.00 made payable to:
NCDENR
F'ege 4 df 5
5vvu-22a-1019u5 twat —Waad 10/182005

NCG140000 N.O.l.
Final Checklist
This application will be returned as incomplete unless all of the following items have been included:
Q/ Check for $80 made payable to NCDENR.
l� This completed application and all supporting documentation (including design details and calculations for
treatment systems).
if an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DI.R)
1 or local designee: documentation verifying applicant has developed and submitted that Plan to the governing
j agency (required per 15A NCAC 02H .0138). /If rl.�ej
"Ka C1� For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and
specifications for wastewater treatment facilities (including recycle systems), signed and sealed b a
Professional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7). A}+-,ku
❑ For existing sites: three (3) copies of plans and specifications for wastewater treatment facilities (including
recycle systems) as built, stamped and sealed by a Professional Engineer, or (only if plans not available) a
detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions,
_/ retention time, piping, settling basin details, etc.
2 A site map showing, at a minimum, (existing or proposed):
(a) outline of drainage areas, (b) stormwaterlwastewater treatment structures, (c) location of
stormwater/wastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures,
(e) areas where materials are stored, (f) impervious areas, and (g) site property lines.
Ly A county map or USGS quad sheet with location of facility clearly marked.
Mail the entire package to:
Stormwater Permitting Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
For questions, piease contact the DINO Regional Office for your area.
DWQ Regional Office Contact Information_
Asheville Office ......
[phone]
Fayetteville Office ...
[phone]
Mooresville Office ...
[phone]
Raleigh Office ........
[phone]
Washington Office ...(252)
946-6481
Wilmington Office ...
[phone]
Winston-Salem ..,...
[phone]
Central Office.... , . , ..
[phone]
Page 5 of 5
SWU-229-101905 Last revised 10119/2005

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New Hanover County Water Quality Task Force & Roundtable
Discussion
Friday, April 4, 2008 - 10:00
New Hanover County Government Center
Conference Room 500
• Introductions
In attendance:
Shawn Ralston, Chris O'Keefe - NEC Planning
Chris Coudriet -- NHC Assistant County Manager
James Merritt — UNCW CMS
Linda Willis, Kipp Glazier — NCDENR, DWQ Surface Water Protection
Stan Sherman - NCDENR Shellfish Sanitation & Recreational Water Quality
Brad Rosov — Coastal Planning & Engineering
Phil Prete — City of Wilmington Planning
Cathy Timpy—NHC Environmental Health
• Water Quality Monitoring — New Hanover County Map
-Data sources — New Hanover County, CP&E, UNCW, DWQ, City of Wilmington
-Additional information to be added to the map: additional LCFRP monitoring locations,
DWQ monitoring stations, water quality parameters, frequency of sampling, purpose for
sampling, NPDES locations, pump -out locations, cross-check some of the Shellfish
Sanitation/Recreational Water Quality monitoring stations
o Recent water quality monitoring results — Brief discussion with
input from each coordinating agency (areas of concern, tracking
pollution sources)
UNCW Lower Cape Fear River Program
At the last LCFRP meeting, the issue of measuring dissolved metals in the Cape Fear
River was discussed. There was also discussion about future sampling of
pharmaceuticals and how this sampling could be implemented.
UNCW — City of Wilmington Water Quality Monitoring
No report available.
CP&E — New Hanover County Monitoring
-Low DO continues to be reported on Prince George Creek at N. College Rd. and Castle
Hayne Rd. and Motts Creek at Carolina Beach Rd.
-Low DO was also reported on Pages and Futch Creeks during the February sampling
event.
-High turbidity levels were reported on Motts and Lords Creeks during the April
sampling event

-High bacteria levels have been recorded on all of the creeks — particularly on Pages,
Futch, Smith and Motts Creeks
New Hanover County — Environmental Health Monitoring
Monthly monitoring is ongoing in the Cape Fear River in the vicinity of Riverside Park.
Field visits were conducted for several potential pollution sources. From the site visits,
the highest potential for pollution observed was at the docks at a hunting lodge where
several boats with cabins are continuously parked. UNCW and New Hanover County
staff will meet on Friday, April 11 to further discuss pollution tracking in the Cape Fear
River near Riverside Park. Env. Health recently purchased equipment so that
enterococcus can be analyzed at the Health Department's lab, since Shellfish Sanitation
will not be able to run the County's samples once Recreational WQ sampling begins.
DWQ — Shellfish Sanitation/Recreational Water Quality Monitoring
Stan Sherman gave an overview of the annual sampling conducted at each of the
Shellfish Sanitation and Recreational Water Quality Sites and the frequency of this
sampling. A location near Freeman Park will likely be added to the list of sampling
stations and a sampling station has recently been added at Snows Cut.
DWQ — Surface Water Protection Monitoring
Linda Willis reported on sampling conducted by Stephanie Garrett in the Cape Fear
River. Both high and low bacteria levels have been reported in recent months in Castle
Hayne at the boat ramp and in the vicinity of Riverside Park. Surface Water Protection
has also recently started a special project on Burgaw Creek.
• Enterococcus Standard — Monitoring water quality for public
health
There was a brief discussion continued from our last meeting regarding which
enterococcus standard to apply to surface water in undesignated swimming areas. It was
decided that conservative standards will be applied to locations on a case by case basis
due to the inconclusive information on this issue.
• Continued discussion about purpose/objectives for the group
-Brief summaries from each representative agency should be continued at each meeting
-Locate water quality data in one place
-Data should be editorialized so that it can be used by individuals in non -technical
positions
-Continue work on map of monitoring locations
-Identify areas with continued poor water quality
-Identify additional potential sampling locations
• Other
-Cape Fear Public Utility Authority should be represented at the meetings since they will
be retrieving and analyzing water quality data

9 .
J?, Zy, Zoo$
WITHERS IIIr 'Z91.S141s
CONCRETE PLANT W
e�,ervh .
fec-
DESIGN CALCUI~—
?'-VA ett o vt Vz a*- aF
?Y-0 '
ST WOOTEN CONCkk1-t PU N-1- --_
New Hanover County, Noah Carolina
i
Prepared For-
ST WOOTEN CORPORI
3801 Black Creek R(
Wilson, NC 27891
Attn: Butch Lawter, F
Prepared By:
WITHIERS' & R„VEN
i 1 1 MacKenan Dri
Cary, North Carolina 2
September 2006
.,)?4-" 0, 7-0o-(5
tY 7.00-T)
NaA 4-v do Tv pd of +tuttic
WASWt
Ik=1A 1
i
W&R Project No. 205449.10
*+'¢�H CA,90
Fortner, PE

WITHERS & RAVENEL JOB NO. 205449.1
ENGINEERS / PLANNERS / SUPWrYORS SHEET NO. , p
DATE 9/8/2006
JOB NAME ST Wooten Concrete Plant COMPUTED BY CMF
SUBJECT Washout Tank Evaluation far NPDE5 General Permit NOl CHECKED BY
Purpose
Estimate detention time, settling efficiency, and effluent constituent concentrations for a proposed concrete washout
tank at the ST Wooten concrete plant in Wilmington, NC. Methodology includes modelling settling velocities using
Stokes Law, estimating detention time, and modelling removal efficiency of the anticipated concrete washout materials.
Concrete consists of fine aggregate, coarse aggregate, and cement. Aggregate will settle out immediately due to the
large particle size. Therefore, the particle size distribution for cement is used in this analysis.
Settling Velocity, Stakes Law
Vq = (g 11 S) [(ss — 1)
V f w
g= gravitational accelleration
sS - specific gravity of design particle
d e kinmatic viscosity of fluid
.,
d - diameter of design particle (D�}1 f
vo = settling velocity L/
Input Variables -
g = 32.2 ftlsz
ss = 3.15' dim From MSDS for Lafarge Portland Cement
v = 1-66[-0-5.jt2A for water at 40 F
d �64E-05 ft, ds /is 15 microns from cement particle size
distribution (see attached)
Output 1,-;--ip-b ,yam
vo.- 6.23E-05,ft/sec)
Avg. P rt c e Settling T me
Settling Depth = 4 ft
Settling Time = 64189 sec
17.83 hr �• r�g�nn.�
r 0.74 days
Detention Time
Wash Water Produced =
Anticipated Daily Capacity
Anticipated Daily Wash Water =
Anticipated Daily Wash Water
Total Volume of Basin =
Detention Time of Single Basin =
Number of Basins =
Total Detention Time in System =
15 gal/CY
500 CY
7500 gal
0.1337 ganef 02.
1003 cf/day t/
1200 cf �' l 5 2_ 0 -w
1.20 days
0 Iz.•
3 �— - , i r G�.c.. c� �-[. �o ?
3.59 days
�j.Urj rr t� y 1-0 r�
4 Z.

WITHERS & FIAVENEL
ENGINEERS / PA-ANNER.r. / SURVEYr3RS
JOB NAME ST Wooten Concrete Plant COMPUTED BY
SUBJECT Washout Tank Evaluation for NPDES General Permit NOI CHECKED BY
Depth of Flow Over Intercell Weir
Q = ut[312 Weir Equation
C, Weir Coefficient = 3.3
L, Weir Length = 4 ft
H. Height of Water Over Weir = TBD ft
Q, Flow Over Weir = Varies ft
los NO. 205449.1
SHEET NO- 2 .F Y
DATE 9/8/2006
CMF
Dry Flow Conditions, Anticipated Daily Flow
Ant. Daily Wash Water = 1003
Avg. Work Day = 8-hrlday('
Q = 0.0348 cfs 1A,Uc7-�'�"�
H = 0.019 ft, depth of flow over intercell weir ] "�T-U b P
Peak Flow Conditions, 25-year, 24-hour storm
Q = 6.73 cfs, peak discharge from SCS method (attached)
H = 0.638 ft, depth of flow over intercell weir
Removal EfficiEvaluation
r Basin # JJw w4. . [ rsr d . - 1000 c U . P1 vj
Incremental_Detention Time = 1.20 days for 1 basinf _ ---
r.._------- �- -
Settlement to Bottom, Vca = - V3.869E-05-ft/sec 4-ft, to bottom of basin
Dry Flow Settlement to Weir, Vcb = 1.846E-07 ft/sec 0.019 ft, to weir, dry flow
Peak Flow Settlement to Weir, Vcc = 6.172E-06 ft/sec 0.638 ft, to weir, storm flow
- - rb= V iVcb rG=VNcc
ra=VNca to Settle to to Settle to
Diameter Size Dist. % Diameter Settling V, to Settle to Weir Weir
(microns) % Finer (ft) (ft/sec) Bottom Dry Flow Storm Flow
1 5.4 5.4 3.2808E-06 2.49E-06 6.45% 100% 40.40%
1.5 3.3 8.7 4.9212E-06 5.61E-06 14.50% 100% 90.91°/0
2 3.5 12.2 6.5616E-06 9.98E-06 25.79% 100% 100°/0
3 5.3 17.5 9.8424E-06 2.24E-05 58.02% 100% 100%
4 4.3 21.8 1.31232E-05 3.99E-05 100% 100% 100%
6 7.3 29.1 1.96848E-05 8.98E-05 100% 100% 100%
8 6.4 35.5 2.62464E-05 160E04'\ 100% 100% 10,
12 11.7 47.2 3.93696E- 3.59E-04 100% 100% 100%
9.0 56.2 5.24928E- 638E-04 100%100% 100%
`24 14.8 71.0 7.87392E-05 f-03 100% 100% 100% _
,jams\O N4`,S 32 10.7 81.7 0.000104986 2.55E-03 100% 100% 100%
5 �'- 48 11.7 93.4 0.000157478 5.75E-03 100% 100% 100%
�l
yr ' 64 4.2 97.6 0.000209971 1.02E-02 100% 100% 100%
96 2.0 99.6 0.000314957 2.30E-02 100% 100% 100%
128 0.3 99.9 0.000419942 4.09E-02 100% 100% 1 DO%
> 128 0.1 100.0 -- -- -- -- --
Note: % Finer from "Measurement of Particle Size Distribution in Portland Cement Powder: Analysis of
ASTfvI Round Robin Studies," Reprinted from Cement, Concrete and Aggregates, Vol. 26, No. 2, 2004.

WITHERS &C RAVENEL
ENGINEERS / PLANNERS / SuRVEYORS
JOB NAME ST Wooten Concrete Plant COMPUTED BY
SUBJECT Washout Tank Evaluation for NPDFS General Permit N01 CHECKED BY
JOB NO. 205449.1
SHEET NO. 7'r-cf
DATE 9/8/2006
CMF
U/- -
Basin #1 Summary
During dry flow operation, all particles will settle below the weir and will not discharge
to Basin #2. During the 25-year, 24-hour storm event, particles 2.5 microns in
in diameter and smaller will discharge to Basin #2.
Removal Efficiency Evaluation, continued
Basin #2
2
Incremental Detention Time =
2.39 days for
2 basins
Settlement to Bottom, Vca =
1.934E-05 ft/sec
4 ft, to bottom of basin
Dry Flow Settlement to Weir, Vcb =
9.232E-08 ft/sec
0.019 ft, to weir, dry flow
Peak Flow Settlement to Weir, Vcc =
3.086E-06 ft/sec
0.638 ft, to weir, storm flow
rb=VNcb r,, VNcc
ra=VNca to Settle to to Settle to
Diameter Size Dist. %
Diameter Settling V
to Settle to Weir Weir
(microns) % Finer
(ft) (ft/sec)
Bottom Dry Flow Storm Flow
1 5.4 5.4
3.2808E-06 2.49F-06
12.89% 100% 80.81 %
1.5 3.3 8.7
4.9212E-06 5.61 E-06
29.01 % 100% 100%
2 3.5 12.2
6.5616E-06 9.98E-06
51.57% 100% 100%
Basin #2 Summary
During the 25-year, 24-hour storm event, particles 1 micron and smaller will discharge
to Basin #3.
Basin #3
Incremental Detention Time =
3.59 days for
3 basins
Settlement to Bottom, Vca =
1.290E-05 ft/sec:
4 ft, to bottom of basin
Dry Flow Settlement to Weir, Vcb =
6.155E-08 fUsec
0.019 ft, to weir, dry flow
Peak Flow Settlement to Weir, Vcc =
2.057E-06 ft/sec
0.638 ft, to weir, storm flow
✓
rb=VNcb rr=VNcc
ra=VNca to Settle to to Settle to
Diameter Size Dist. %
Diameter
Settling V to Settle to
Weir
Weir
(microns) % Finer
(ft)
(ft/sec) Bottom
Dry Flow
Storm Flow
1 5.4 5.4
3.2808E-06
2.49E-06 19.34%
100%
100%
1.5 3.3 8.7
4.9212E-06
5.61 E-06 43.51 %
100%
100%
Basin #3 Summary
All particles will settle below the weir
Discharge Concentration Calculation
30 mg/L TSS, permit discharge limit
Based on the evaluations presented above, no suspended cement particles will be present
in the Basin #3 discharge for both dry flow conditions (normal operating) and storm flow
conditions. Therefore, the anticipated TSS at the discharge point is <30 mg/L.

WITHERS & RAVENEL
ENU�NEERS / PLANNERS / SURVEYORS
JOB NAME ST Wooten Concrete Plant COMPUTED BY
SUBJECT Washout Tank Evaluation for NPDES General Permit N01 CHECKED BY
JOB NO. 205449.1
SHEET NO. Y .Z e
DATE 9/8/2006
CMF
5 mL/L Total Settleable Solids, permit discharge limit
Based on the evaluations presented above, no suspended cement particles will be present
in the Basin #3 discharge for both dry flow conditions (normal operating) and storm flow
conditions. Therefore, the anticipated total settleable solids at the discharge point is <51tmL/L.
6-9 su pH
Discharge from Basin #3 will be monitorgc to ensure compliance with the specified permit
limits. pH adjustment will be performed s necessary by the owner using an automated
monitoring and adjustment system to be selected at the time of construction.
Summary
The above calculations demonstrate that"three chambers are adequate for the required removal given
the planned dimensions and 25-year, 24=hourpeak flow event.
�, d ( `

100.1
90.E
80.1
70.,
a 40.
30,
20.1
10.1
0.
Portland Cement
uu q/� /r , I u 1
Particle Diameter (micron)

Job File: K:\05105-440\05449.10-Wooten Concrete Plant - Wilm\Proj\H&H\ST WOOTEN WASHOUT TA
Rain Dir: K:\05\05-440\05449.10-Wooten Concrete Plant - Wi1m\Proj\F16H\
JOB TITLE
Project Date: 10/27/2005
Project Engineer:
Project Title: ST Wooten
Project Comments:
SIN. DOYXYWH3NLBE Withers & Ravenel
Pond Pack (10.00.015.00) 3:13 PM 9/21./2006

Table of Contents
i
+a++++++k+++a+++++x++x MASTER SUMMARY +a+++++a+++++++++a++++
Watershed....... Master Network Summary ............. 1.01
DESIGN STORMS SUMMARY
New Hanover..... Design Storms ...................... 2.01
TC CALCULATION$ +++a++aa++t++++++ ++>
SUBAREA 40...... Tc Calcs------ .----------------- 3.01
CN CALCULATIONS **+}+++++++>t+x+a"
SUBAREA 40...... Runoff CN-Area ..................... 4.01
RUNOFF HYDROGRAPHS """'A
Unit Hyd- Equations ---------------- 5.01
SUBAREA 40...... 2
Unit Hyd. Summary .................. 5.03
SUBAREA 40.....- 10
Unit Hyd. Summary .................. 5.04
SUBAREA 40...... 25
Unit Hyd. Summary .................. 5.05
SIN: DOYXYWI13NLBE Withers a Ravenel
PondPack (10-00.015-00) 3:13 PM 9/21/2006

Table of Contents
ii
SUBAREA 40------ 100
Unit Hyd. Summary 5.06
*►►•►+a*�*+�+�.{�+f++++ POND VOLUMES +•++f+.+ix.++.+.++*,**.
POND 20......... voi. Elev-Area ..................... 6.01
a*+*.�•►�.****+�.. OUTLET STRUCTURES
intercell weir.. Outlet Input Data .................. 7.01
5/N: DOYXYWH3NL5E Withers s Ravenel
PondPack (10.00,015.00) 3:13 PM 9/21/2006

Type.___ Master Network Summary Page 1.01
Name.... Watershed
File.._. K:\05\05-440\05449.10--Wooten Concrete Plant - Wilm\Proj\H&H\ST Wooten washout tan
MASTER DESIGN STORM SUMMARY
Network Storm Collection: New Hanover
Total
_
Depth
Rainfall
Return Event
in
Type
RNF ID
2
4.5000
Synthetic
Curve
TypeIII
24hr
10
7.0000
Synthetic
Curve
TypeIII
24hr
25
C�.0500
Synthetic
Curve
TypeIII
24hr
100
1'0- ODO
Synthetic
Curve
TypellI
24hr
FEASTER NETWORK SUMMARY
SCS Unit Hydrograph Method
(`Node=Dutfall; +Node -Diversion;)
(True= HYG Truncation: Blank=None; L=Left; R=Rt; LR=LeftSRt)
Max
Return
HYG Vol
Opeak
Qpeak
Max WSEL
Pond Storage
Node
ID
Type
Event
ac-ft Trun
hrs
cfs
ft
ac-ft
------------------
*OUT
30
----
JCT
------
2
---------- --
.355
---------
12.1000
--------
3.75
--------
------------
*CUT
30
OCT
10
.563
12.1000
5.85
*OUT
30
JCP
25
.651
12.1000
6.73
*OUT
30
OCT
100
.813
12.1000
8.38
POND
20
IN
POND
2
.355
12.1000
3.77
POND
20
IN
POND
10
.563
12.1000
5.68
POND
20
IN
POND
25
.651
12.1000
6.77
POND
20
IN
POND
100
.813
12.1000
8.41
POND
20
OUT
POND
2
.355
12,1000
3.75
4.43
.033
POND
20
OUT
POND
10
.563
12,1000
5.85
4.58
.034
POND
20
OUT
POND
25
.651
12.1000
cHi3>4.63
.035
POND
2D
OUT
POND
100
.813
.12.1000
8.38
4.'73
.035
S/N: 1JOYXYWH3NLBE Withers & Ravenel
PondPa ck (10.00.015.00) 3:13 PM 9/2.1/2006

Type.... Design Storms
Name.... New Hanover
Page 2.01
File .... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Proj\H&H\ST Wooten washout tan
Title... Project Date: 10/27/2005
Project Engineer:
Project Title: ST Wooten
Project Comments:
DESIGN STORMS SUMMARY
Design Storm File,ID =
Storm Tag Name = 2
New Hanover
Data Type, File, ID = Synthetic Storm TypelIT 24hr
Storm Frequency = 2 yr
Total Rainfall Depth= 4.5000 in
Duration Multiplier = I
Resulting Duration = 24.0000 hrs
Resulting Start Time= _0000 hrs Step= .1000 hrs End= 24.0000 hrs
Storm Tag Name = 10
Data Type, File, ID = Synthetic Storm Typelll 24hr
Storm Frequency = 10 yr
Total Rainfall Depth= 7.0000 in
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs
Storm Tag Name = 25
Data Type, File, ID = Synthetic Storm TypeIII 24hr
Storm Frequency = 25 yr
Total Rainfall Depth= 8.0500 in S —
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step- .1000 hrs End= 24.0000 hrs
Storm Tag Name = 100
Data Type, File, ID = Synthetic Storm Type1II 24hr
Storm Frequency = 100 yr
Total Rainfall Depth= 10.0000 in
Duration Multiplier = 1
Resulting Duration = 24.DD00 hrs
Resulting Start Time= .ODDO hrs Step- .1000 hrs End= 24.0000 hrs
S/N: DOYXYWH3NLBE Withers & Ravenel
PondPack (10.00.015.00) 3:13 PM 9/21/2006

Type.... Design Storms
Name.... New Hanover
Page 2.01
File .... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Prof\HSH\ST Wooten washout tan
Title_._ Project Date: 10/27/2005
Project Engineer:
Project Title: ST Wooten
Project Comments:
DESIGN STORMS SUMMARY
Design Storm File,ID - New Hanover
Storm Tag Name = 2
----------------------------------------------------------------------
Data Type, File, ID = Synthetic Storm TypeIll 24hr
Storm Frequency = 2 yr
Total Rainfall Depth= 4.5000 in
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs
Storm Tag Name = 10
Data Type, File, ID = Synthetic Storm TypeI1I 24hr
Storm Frequency = 10. yr
Total Rainfall Depth= 7.0000 in
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs
Storm flag Name = 25
Data Type, File, 1D = Synthetic Storm TypeIII 24hr
Storm Frequency = 25 yr
Total Rainfall Depth= 8.0500 in
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs
Storm Tag Name - 100
Data Type, File, ID - Synthetic Storm TypeIII 24hr
Storm Frequency = 100 yr
Total Rainfall Depth= 10.0000 in
Duration Multiplier = 1
Resulting Duration = 24.0000 hrs
Resulting Start Time= .0000 hrs Step= .1000 hrs End= 24.0000 hrs
S/N: DOYXYWH3NI,BE Withers s Ravenal
PondPack (10.00.015.00) 3:13 PM 9/21/20D6

Type .... Tc Calcs
Name .... SUBAREA 40
Page 3.01156
File.... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Prof\HRH\ST Wooten washout tan
TIME OF CONCENTRATION CALCULATOR
Segment 91: Tc: User Defined
Segment #! I Time: .0830 hrs � J rys ram, � SGS n-j e�1
-------------------------------------------------------------------------
5/N: DOYXYWH3NLBE
PondPack (10.00.015.00)
Total Tc: .0830 hrs
Calculated Tc < Min-Tc:
Use Minimum Tc...
Use Tc = .0833 hrs
-------------------------
-------------------------
3:13 PM
Withers 6 Ravenel
9/21/2006

Type.... Tc Calcs
Name.... SUBAREA, 40
Page 3.02
File.... K-\05105-440\05449.10-wooten Concrete Plant.- wilm\Prof\H&H\ST Wooten washout tan
------------------------------------------------------------------------
Tc Equations used...
------------------------------------------------------------------------
user Defined------
Tc - Value entered by user
Where: Tc = Time of concentration
5/N: DOYXYWH3NLBE Withers & Ravenel
Pond Pack (10.00.035.00) 3:.1.3 PM 9/21/2006

Type.... Tc Calcs
Name.... SUBAREA 40
Page 3.02
File.._. K:\05\05-990\05999.10-Wooten Concrete Plant - Wilm\Proj\HSH\ST Wooten washout tan
------------------------------------------------------------------------
Tc Equations used...
------------------------------------------------------------------------
--» User Defined
Tc = Value entered by user
Where. Tc = Time of concentration
SIN: DOYXYWH3NLBE Withers 5 Ravenel
PondPack (10.00_015.00) 3:13 PM 9/21/2006

Type—. Runoff CN-Area
Name.... SUBAREA 40
Page 4.01158
File.... K:\05\05--440\05449.10-Wooten Concrete Plant -- Wilm\Proj\H&H\ST Wooten washoijt tan
RUNOFF CURVE NUMBER DATA
Impervious
Area Adjustment Adjusted
Soil/Surface Description CN acres %C %UC CN
-------------------------------- __---------- ----- ----- ------
98 1.000 98.00
COMPOSITE AREA & WEIGHTED CN --7 1.000 98.00 (98)
('�r��vt.�
5/N` D0YXYWH3NLBE
PondPack (10.00.015,00)
3:13 PM
Withers & Ravenel
9/21/2006

Type.... Runoff CN-Area
Name---- SUBAREA 40
Page 4-01158
RUNOFF CURVE NUMBER DATA
Soil/Surface Description
--------------------------------
Impervious
Area Adjustment Adjusted
CN acres %C %UC CN
98 1.000 98.00
COMPOSITE AREA & WEIGHTED CN ---> 1.000 98.00 (98)
S/N: DOYXYWH3NLBF Withers & Ravenel
PondPaCk (10.00-015-00) 3:13 PM 9/21/2006

Type ---- Unit Hyd. Equations Page 5.01163
Name ----
File.... K:\05\05-440\05449-10-Wooten Concrete Plant - Wilm\Prof\i(&Ei\ST Wooten washout tan
SCS UNIT HYDROGRAPH METHOD
(Computational Notes)
DEFINITION OF TERMS: ---------------------------------------------_----
At = Total area (acres): At = Ai4Ap
Ai = Impervious area (acres)
Ap = Pervious area (acres)
CNi = Runo€€ curve number for impervious area
CNp - Runoff curve number for pervious area
fLoss = f loss constant infiltration (depth/time)
gKs = Saturated Hydraulic Conductivity (depth/time)
Md = Volumetric Moisture Deficit
Psi = Capillary Suction (length)
hK = Horton Infiltration Decay Rate (time--1)
fo = Initial Infiltration Rate (depth/time)
fc = Ultimate(capacity)lnfil.tration Rate (depth/time)
la = Initial Abstraction (length)
dt = Computational increment (duration of unit excess rainfall)
Default dt is smallest value of 0.1333Tc, rtm, and th
(Smallest dt is then adjusted to match up with Tp)
UDdt = User specified override Computational main time increment
(only used if UDdt is => .1333Tc)
D(t) = Point on distribution curve (fraction of P) for time step t
K = 2 / (1 + (Tr/Tp)): default K - 0.75: (for Tr/Tp = 1-67)
Ks = Hydrograph shape factor
= Unit Conversions ` K:
= t(lhr/3600sec) ' (lft/12in) ((5260ft)— 2/sq.mi)) k K
Default Ks = 645.333 w 0.75 484
Long = Lag time from center of excess runoff (dt) to Tp: Lag = 0.6Tc
P = Total precipitation depth, inches
Pa(t) = Accumulated rainfall at time step t
Pi(t) = Incremental rainfall at time step t
qp = Peak discharge (cfs) for lin_ runoff, for lhr, for 1 sq.mi.
- (Ks k A ` Q) / Tp (where Q = lin. runoff, A=sq.mi.)
Qu(t) = Unit hydrograph ordinate (cfs) at time step t
Q(t) = Final hydrograph ordinate (cfs) at time step t
Rai(t)= Accumulated runoff (inches) at time step t for impervious area
Rap(t)= Accumulated runoff (inches) at time step t for pervious area
Rii(t)= Incremental runoff (inches) at time step t for impervious area
Rip(t)= Incremental runoff (inches) at time step t for pervious area
R(t) = Incremental weighted total runoff (inches)
Rtm = Time increment for rainfall table
Si = 5 for impervious area: Si = (1000/Ct4i) - 10
Sp = S for pervious area: Sp = (1000ICNp) - 10
t = Time step (row) number
Tc = Time of concentration
Tb F Time (hrs) of entire unit hydrograph: Tb = Tp + Tr
Tp - Time (hrs) to peak of a unit hydrograph: Tp = (dt/2) -t Lag
Tr = Time (hrs) of receding limb of unit hydrograph-- Tr = ratio of Tp
SIN' DOYXYW113NLBE Withers & Ravenel
PondPack (10.00.015.00) 3:13 PM 9/21/2006

Type.... Unit Hyd. Equations Page 5.02
Name....
Fite.... K:105\05-440\05449.10-Wooten Concrete Plant -- Wilm\Proj\H&H\ST Wooten washout tan
SCS UNIT HYDROGRAPH METHOD
(Computational Notes)
PRECIPITATION: ----------------------------------------
Column (1): 'rime for time step t
Column (2): D(t) = Point on distribution curve for time step t
Column (3). Pi(t) = Pa(t) - Pa(t-1): Col.(4) - Preceding Col.(4)
Column (4): Pa(t) _ D(t) x P: Col.(2) x P
PERVIOUS AREA RUNOFF (using SCS Runoff CN Method) ------------------------
Column (5): Rap(t) = Accumulated pervious runoff for time step t
if (Pa(t) is <= 0.2Sp) then use: Rap(t) = 0.0
If (Pa(t) is > 0.2Sp) then use:
Rapt) = (Col. (4)-0.2Sp)**2 / (Col. (4)+0.8Sp)
Column (6): Rap(t) = Incremental pervious runoff for time step t
Rapt) v Rap(t) - Rap (t-1)
Rip(t) = Col.(5) for current row - Col.(5) for preceding row.
IMPERVIOUS AREA RUNOFF ---------------------------------------------__.-_---
Column (7 & 8)... Did not specify to use impervious areas.
INCREMENTAL WEIGHTED RUNOFF: ---------------------------------------------
Column (9): R(t) = (AP/At) x Rap(t) + (Ai/At) x Rii(t)
R(t) = (AP/At) x Col.(6) + (Ai/At) x Col-(8)
SCS UNIT HYDROGRAPH METHOD: ----------------------------------------------
Column (10): Q(t) is computed with the SCS unit hydrograph method
using R() and Ou().
S/N: DOYXYWH3NLRE Withers & Ravenel
Pond Pa ck (20.00.015.00) 3:13 PM 9/21/2006

Type.... Unit Hyd. Equations Page 5.02
Name—.
File.... x:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Prof\H&H\ST Wooten washout tan
SCS UNIT HYDROGRAPH METHOD
(Computational Notes)
PRECIPITATION: ___-_-_------------------------------------._----------.-___-
Column (1): Time for time step t
Column (2): D(t) = Point on distribution curve for time step`t
Column (3): Pi(t) = Pa(t) - Pa(t--1): Col.(4) - Preceding Col.(4)
Column (4): Pa(t) = D(t) x P: CoI_(2) x P
PERVIOUS AREA RUNOFF (using SCS Runoff CN Method) ---------------------------
Column (5): Rap(t) = Accumulated pervious runoff for time step t
If (Pa(t) is <= 0.2Sp) then use: Rap(t) = 0.0
If (Pa(t) is > 0.2Sp) then use:
Rap(t) _ (Col.(4)-0.2S.p)`*2 / (Col.(4)40.8Sp)
Column (6): Rip(t) = Incremental pervious runoff for time step t
Rip(t) = Rap(t) - Rap(t-1)
Rip(t) = Col-(5) for current row - Col.(5) for preceding row.
IMPERVIOUS AREA RUNOFF ________________________________________________-_-
Column (7 & 8)... Did not specify to use impervious areas.
INCREMENTAL WEIGHTED RUNOFF: ---------------------------------------------
Column (9): R(t) = (Ap/At) x Rip(t) + (Ai/At) x Rii(t)
R(t) _ (Ap/At) x Col.(6) + (Ai/At) x Col.(8)
SCS UNIT HYDROGRAPH METHOD: ----------------------------------------------
Column (10): Q(t) is computed with the SCS unit hydrograph method
using R() and Qu(}.
SIN: DOYXYWH3NLBE
PondPaQk (10.00.015.00)
3:13 PM
Withers & Ravenel
9/21/2006

Type.... Unit Hyd. Summary Page 5.03165
Name.... SUBAREA 40 Tag: 2 Event: 2 yr
File.... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Proj\H&H\ST Wooten washout tan
Storm... TypeIII 24hr Tag: 2
SCS UNIT HYDROGRAPH METHOD
STORM EVENT: 2 year storm
Duration = 24.0000 hrs Rain Depth = 4.5000 in
Rain Dir = K:\05\05-440\05449.10--Wooten Concrete Plant - Wilm\Proj\H&H\
Rain File -ID = - TypeIII 24hr
Unit Hyd Type = Default Curvilinear
HYG Dir = K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Proj\H&H\
HYG File - ID - work_pad_hyg - SUBAREA 40 2
Tc (Min. Tc) = .0833 hrs
Drainage Area = 1.000 acres Runoff CN= 98
Computational Time Increment = .01111 hrs
Computed Peak Time = 12.0952 hrs
Computed Peak Flow - 3.77 cfs
Time Increment for HYG File = .0500 hrs
Peak Time, Interpolated Output = 12.1000 hrs
Peak Flow, Interpolated Output = 3.77 cfs
--------------------------------------------
isima ow,wm_l aafi
ID:SUBAREA 40
CN = 98
Area = 1.000 acres
S = _2041 in
0.2S = .0408 in
Cumulative Runoff
-------------------
4.2640 in
.355 ac-ft
HYG Volume... .355 ac-ft (area under HYG curve)
#*'�{ SCS UNIT HYDROGRAPH PARAMETERS
Time
Concentration,
Tc =
.08330
hrs (ID: SUBAREA 40)
Computational
Incr,
7Yn =
..01111
hrs = 0.20000 Tp
Unit
Hyd. Shape Factor
=
483.432
(37.46% under rising limb)
K =
483.43/645.333,
K =
_7491
(also, K = 2/(lk(I'r/Tp))
Receding/Rising,
Tr/Tp
=
1.6698
(solved from K = .7491)
Unit
peak,
qp =
13.60
Cfs
Unit
peak time
Tp =
.05553
hrs
Unit
receding limb,
Tr =
.22213
hrs
Total
unit time,
Tb =
.27767
hrs
S/N: DOYXYWH3NI�BE Withers & Ravenel
PondPa ck (10.00.015.001 3:13 PM 9/21/2006

Type.... Unit Hyd. Summary Page 5.03165
Name .... SUBAREA 40 Tag: 2 Event: 2 yr
File .... K:L05\05-440\05449.10-Wooten Concrete Plant - Wilm\Prof\H&H\ST Wooten washout tan
Storm— TypeIII 24hr Tag: 2
Date:
Type.... Vol: Elev-Area
Name.... POND 20
Page 6.01
File.... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Prcj\H&H\ST WOOTEN WASHOUT TAN
Elevation
Planimeter Area
Al+A2+sgr(AliA2)
Volume
Volume Sum
(ft)
(sq_in) (acres)
(acres)
(ac-ft)
(ac-ft)
-----------------------------------------------------------------------------
.00
----- .0070
_0000
.000
_000-
5.00
----- _0080
.0225
.037
.037.r�k
POND VOLUME EQUATIONS
* Incremental volume computed by the Conic Method for Reservoir Volumes.
Volume = (1/3) * (EL2-EL1) * (Areal + Area2 + sq.rt.(Areal;Area2))
where: EL1, EL2 = Lower and upper elevations of the increment
Areal,Area2 = Areas computed for EL1, EL2, respectively
Volume = Incremental volume between ELI and EL2
SIN: DOYXYWH3NLBE Withers 6 Ravenel
PondPack (10.00.015.00) 3:13 PM 9/21/2006

Type__._ Outlet Input Data
Name.... intercell weir
Page 7.01
File.... K:\05\05-440\05449.10-Wooten Concrete Plant - Wilm\Proj\H&H\ST Wooten washout tan
REQUESTED POND WS ELEVATIONS:
Min. Elev.= _00 ft
Increment = .10 ft
Max. Elev.= 5.00 ft
k k i k A i k * * k * * * * k * A * } * * * * * * * * * k * k * * k * * * * * * * * * } * *
OUTLET CONNECTIVITY
* * * k A } y A k + * + y * k * k * * * k * * * * * * * * * A * * * A } + A i k A * * * *
---> Forward Flow Only (UpStream to DnStream)
<--- Reverse Flow Only (DnStream to UpStream)
< --- > Forward and Reverse Both Allowed
Structure No. Outfall E1, ft E2, ft
----------------- -----------------------------
Weir-Rectangular WO ---> TW 1.000 5.000
TW SETUP, DS Channel
S/N: DOYXYWH3NLBE Withers & Ravenel
PondPack (10.00.015.00) 3:13 PM 9/2.1/2006

Type.... Outlet Input Data Page 7.02
Name.... intercell weir
OUTLET STRUCTURE INPUT DATA
Structure ID = WO
Structure Type = Weir -Rectangular
------------------------------------
# of Openings = 1 r }crct�\ tJt•� G I'v-
C:rest Elev. 4.00 ft.�
Weir Length = 4.00 €t"
Weir Coeff_ 3.330000
Weir TW effects (Use adjustment equation)
Structure ID TW
Structure Type = TW SETUP, DS Channel
------------------------------------
FREE OUTFALL CONDITIONS SPECIFIED
CONVERGENCE TOLERANCES...
Maximum Iterations= 40
Min.
TW
tolerance =
.02
ft
Max.
TW
tolerance =
.01
ft
Min.
HW
tolerance =
.01
ft
Max.
FfW
tolerance =
.01
ft
Min.
Q
tolerance =
.00
cfs
Max.
Q
tolerance =
.00
cfs
SIN: DOYXYWE13NL13E Withers & Ravenel
PondPa ck (.10.00.015.00) 3:13 PM 9/21/2006

Appendix A
A-1
Index of Starting Page Numbers for 1D flames
int.ercell weirs... 7.01
----- N -----
New Hanover... 2.01
----- P -----
POND 20--- 6.01
----- S -----
SUBAREA 40.__ 3.01, 4.01, 5.03,
5.04, 5.05, 5.06
----- w -----
Watershed... 1.01
SIN: DOYXYWH3NLBE Withers s Ravenel
PondPack (10.00.015.00) 3:13 PM 9/21/2006

A(APPROV�66 - 7042
B (APPROVED) 17.5 18 3510 3782 7274
C PROPOSED 14 15.2 14389 24310 10640
APPROVED APPROVED
UNTREATED
0
0.00
i.
Y'-'-- 7. I
'011 lilk we 1910, [a *�
L1
PWiM R-M 0 WA M P
r
�f.� CK- Fe^v E r
IC I I!I A LI U CINQ I Clf nr, I-VAb

l
WITHERS ��,7- RAVEN EL
ENGINEERS I PLANNERS 1 5 JRVCY0RS
April 24, 2008
N.C. DENR - Division of Water Quality
512 N. Salisbury St
Raleigh, NC 27604
Attn: Mrs. Bethany Georgoulias
RE: S.T. Wooten Concrete Plant: Wilmington, NC - As -Built Drawings
W&R No. 2050449.10
Dear Mrs, Georgoulii1s:
On behalf of the S.T. Wooten Corporation, we have enclosed three (3) copies of the original
concrete plant plan set. These plans were sealed and signed by Craig Fortner, PE. I have reviewed
the original plan set, and after an on -site inspection, I am familiar with the as -built conditions of the
concrete plant. I hereby certify that the site has been constructed per the original plan set with the
exceptions noted on the attached sheet 5A, which can serve as a record drawing.
If additional information is needed, please contact the by phone at 919-469-3340 or by ernail at
bleepwitliersravenef.com.
Sincerely,
WITHERS c- RAVE NEL
Zb_1111(
William "Billy" Lee, PE
Attachments
cc:
� ef; 01_1�
� CARp��
.cam' c�,e nt_ N
Batch Lawler -- S.T. Wooten Corporation
SE AL
VIM
iii MacKenan Drive 1 Cary, NC 27511 1 tel: [phone] i fax: 919.g67.6o08 i www,withersravenel.com
7040 Wrightsville Avenue i Suite S0i i Wilmington, NC 28403 J tel: [phone] � fax:[phone]N
Brunswick Surveying 1 1027 Sabbath Home Rd. SW i Supply. NC 28462 1 tel: [phone] fax: [phone]

-Z)
VICINITY MAP 1"" = 2000"
0 1000' 20V 4000' 8000'
SCALE: I' = 2000'
SUMMARY INFORMATION
DEVELOPMENT NAME:
LOCATION:
NEW HANOVER COUNTY PROJECT NO:
ACREAGE:
DENUDED AREA:
IMPERVIOUS SURFACE AREA
S.T. WOOTEN ASPHALT PLANT
SUTTON LAKE LANE
XX—XX—XXX
90.00 AC.
80.9 AC
6.03 AC
PERSON TO CONTACT REGARDING STAFF COMMENTS OR QUESTIONS:
CRAIG M. FORTNER, P.E.
WITHERS & RAVEN EL
111 MacKENAN DRIVE, CARY, NORTH CAROLINA 27511
TELEPHONE: [phone] FAX: [phone]
cfortner@withersravenel,com
CONSTRUCTION DRAWINGS FOR
S.T. WOOTEN CONCRETE
PLANT
WILMINGTON, NEW HANOVER COUNTY, NORTH CAROLINA
DUNE 2006
SCALE: 1' = 200'
I CIVIL ENGINEERS/ PLANS PREPARED BY: I
WITHERS & RAVENEL
ENGINEERS I PLANNERS I SURVEYORS
111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersrovenel.com
LEGEND
DESCRIPTION
EXISTING
PROPOSED
2' CONTOUR INTERVAL -----------------------------
18
5' CONTOUR INTERVAL ----------------------------
20
PROPERTY LINE BY SURVEY
PROPERTY LINE BY DEED
EASEMENT LINE
—
TEMPORARY CONSTRUCTION
EASEMENT
— -- -- — -- -- — --- --- —
SANITARY SEWER 0
0 S
5
STORM DRAINAGE
WATERLINE —--
FIRE HYDRANT ASSEMBLY
-�--*
—►�—
CABLE TV
FIBER OPTIC ---
— — -- — ---
OVERHEAD ELECTRICAL
---
GAS - —
—
TELEPHONE
— —
FENCING STRUCTURE — --- — X
— — — — — X — —
O 0-
TOE/TOP OF SLOPE
WATERWAYS
WETLANDS . . . . . . .
. . . . . . . . . . . . . . .
.
SHT No.
BUFFER---------�—
INDEX OF SHEETS
DRAWING DESCRIPTION
1 EXISTING CONDITIONS/ TREE SURVEY
2 SITE PLAN
3 DETAILED SITE PLAN
4 SEDIMENTATION AND EROSION
CONTROL / TREE REMOVAL PLAN
5 STORMWATER MANAGEMENT PLAN/ DETAILS
6 LANDSCAPING PLAN/DETAILS
7 STORM DRAINAGE AND EROSION CONTROL DETAILS
8 GENERAL NOTES
e e 029921)
a
F7iYF1 t* a
�a �yap'il
two
Fbf
05
Cal -7
DEVELOPER
S.T. WOOTEN CORPORATION
3801 BLACK CREEK ROAD
WILSON, NC 27894
ATTN: READE DAWSON
TEL [phone]
FAX [phone]

B (APPROVED) 17.5 18
C (PROPOSED) 14 15.2
5MF F ESMF'tS
APPROVED APPROVED
r.
PROPOSED INTO MINE* UNTREATED TOTAL
43 n
0.02 0.00 0.00 0.06
0.71 0.00 0.07 1.50
0.00 3.51 0.00 4.49
0.86 1.95 0.00 2.82
r�
® r7rr
M.Ti T��
low
I =E

6
AS --BUILT NOTE:
ALL AS --BUILT INFORMATION FURNISHED BY CONTRACTOR.
ICU
SCALE I'm ff
r
PRELIMINARY
RECORD DRAWING
Na
RMbn
Date
B
1
AS—BUILTS
3 1 q 08
SOU
De*w
watt
scale
r K
Drawn By
Date
DOU -GYT—
4 10 08 -
Qwdced By
lob No.
—GMF-
205M.10
S.T. WOOTEN CONCRETE PLANT
AS -BUILT DRAWINGS
WILMINGTON NORTH CAaoLINA
AS -BUILT DRAWING
WITHERS P-4V E N E L
ENGINEERS I PLANNERS 1 SURVEYORS
111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com
5A , 8