SW8090632_HISTORICAL FILE_20090702

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 O:lDlo32
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
` p HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2060\0_102L
YYYYMMDD

r
•- r
NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins
Governor Director
July 2, 2009
Carl Baker, Deputy Public Works Officer
USMCB Camp Lejeune
1005 Michael Road
Camp Lejeune, NC 28547
Subject: State Stormwater Management Permit No. SW8 090632
Motorcycle Training Course
High Density Commercial Wet Detention Pond Project
Onslow County
Dear Mr. Baker:
Dee Freeman
Secretary
The Wilmington Regional Office received a complete Stormwater Management Permit Application for
Motorcycle Training Course on June 29, 2009. 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 and Session Law 2008-211. We are forwarding Permit No. SW8 090632
dated July 2, 2009, for the construction of the subject project.
This permit shall be effective from the date of issuance until July 2, 2019, 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 adtudicatory hearing upon written request within thirty (30) 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 concerning this matter, please contact Chris
Baker, or me at [phone].
Since rely,
Georgett Scott
Stormwater Supervisor
Division of Water Quality
GDS/csb: S:\WQS\STORMWATER\PERMIT\090632.ju109
cc: Joseph Avolis, P. E., Avolis Engineering, P. A.
Wilmington Regional Office
Central Files
Wilmington Regional Office T�TOnC
127 Cardinal Drive Extension, Wilmington, North Carolina 28405 Ol'ttlCarotlna
Phone: [phone] \ FAX: [phone] Customer Service:1-877-623-6748 �thiCar lin
Internet: w .nmaterquality.org u fi H

State Stormwater Management Systems
Permit No. SW8 090632
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY COMMERCIAL 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
Carl Baker and USMCB Camp Lejeune
Motorcycle Training Course
Virginia Dare Drive, Camp Lejeune, Onslow County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with the
provisions of 15A NCAC 2H .1000 and Session Law 2008-211 (hereafter collectively
referred to as the "stormwater rules') 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 permit shall be effective from the date of issuance until July 2, 2019, and shall be
subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
This stormwater system has been approved for the management of stormwater
runoff as described in Section 1.7 on page 3 of this permit. The stormwater
control has been designed to handle the runoff from 52,490 square feet of
impervious area.
3. A 50' wide vegetative buffer must be provided adjacent impounded structures,
streams, rivers and tidal waters.
4. The tract will be limited to the amount of built -upon area indicated on page 3 of
this permit, and per approved plans.
5. 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.
6. The runoff from all built -upon area within the permitted drainage area(s) of this
project must be directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 090632
The following design criteria have been provided in the wet detention pond and
must be maintained at design condition:
a. Drainage Area, 9.cres:
Onsite, ft :
Offsite, ft2:
b. Total Impervious Surfaces, ft2:
Onsite, ft2:
Offsite, ft2:
C. Design Storm, inches:
d. Average Pond Design Depth, feet:
e. TSS removal efficiency:
f. Permanent Pool Elevation, FMSL:
g. Permanent Pool Surface Areq, ft2:
h. Permitted Storage Volume, ft :
i. Temporary Storage Elevation, FMSL:
j. Pre-dev. 1 yr-24 hr. peak flowrate, cfs:
k. Controlling Orifice:
I. Orifice flowrate, cfs:
M. Permitted Forebay Volume, ft3:
n. Fountain Horsepower
o. Receiving Stream/River Basin:
P. Stream Index Number:
q. Classification of Water Body:
II. SCHEDULE OF COMPLIANCE
1.77
77,041
None
52,490
52,490
None
1.5
3.5
90%
18.5
5,808
6,678
19.4
0.21
1.25"0 pipe
0.03
2,958
N/A
Beaverdam Creek / White Oak
19-20-2
"SB;NSW"
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.
During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
3. The permittee shall at all time 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 re -vegetation 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 outlet structure, orifice device, flow
spreader, catch basins and piping.
CI. Access to the outlet structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon
request to authorized personnel of DWQ. The records will indicate the date,
activity, name of person performing the work and what actions were taken.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 090632
5. The facilities shall be constructed as shown on the approved plans. This permit
shall become void 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.
8. Access to the stormwater facilities for inspection and maintenance shall be
maintained via appropriate recorded 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, for 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 development, subdivision, acquisition, lease or sale of any, 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 CAMA Major permit was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan.
10. Prior to the construction of any permitted future areas shown on the approved
plans, the permittee shall submit final site layout and grading plans to the
Division for approval.
11. A copy of the approved plans and specifications shall be maintained on file by
the Permittee at all times.
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.
III. GENERAL CONDITIONS
This permit is not transferable to any person or entity 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 completed Name/Ownership Change Form
signed by both parties, to the Division of Water Quality, accompanied by the
supporting documentation as listed on page 2 of the form. The approval of this
request will be considered on its merits and may or may not be approved.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 090632
2. The permittee is responsible for compliance with all permit conditions until such
time as the Division approves the transfer request. Neither the sale of the project
nor the transfer of common area to a third party constitutes an approved transfer
of the stormwater permit.
3. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the Division of Water Quality, in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
4. 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.
5. 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.
6. 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.
7. The permit remains in force and effect until modified, revoked, terminated or
renewed. The permit may be modified, revoked and reissued or terminated for
cause. The filing of a request for a permit modification, revocation and re -
issuance or termination does not stay any permit condition.
8. Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual.
9. Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
10. The permittee shall notify the Division of any name, ownership or mailing address
changes at least 30 days prior to making such changes.
11. The permittee shall submit a permit renewal request at least 180 days prior to the
expiration date of this permit. The renewal request must include the appropriate
documentation and the processing fee.
Permit issued this the 2nd day of July, 2009.
CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Division ofWater Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 090632
Motorcycle Training Course
Stormwater Permit No. SW8 090632
Onslow County
Designer's Certification
I, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/ weekly/ 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 specifications:
Signature
Registration Number
Date
SEAL
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 090632
Certification Requirements:
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 outlet structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outlet structure.
8. 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. Required drawdown devices are correctly sized and located per the
approved plans.
13. All required design depths are provided.
14. All required parts of the system are provided, such as a vegetated shelf,
and a forebay.
15. The required system dimensions are provided per the approved plans.
16. All components of the stormwater BMP are located in either recorded
common areas, or recorded easements.
cc: NCDENR-DWQ Regional Office
Page 7 of 7

DWQ USE ONLY
Date Received Fee Paid Permit Number
(fl- n -o)I g bob — 1S0063?..
State of North Carolina '1�EG�r
Department of Environment and Natural Resou ces c
Division of Water Quality JUN L ._ 200p
Rv.
STORMWATER MANAGEMENT PERMIT APPLICA
This form may be photocopied for use as an original
1. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Carl Baker, P.E., Deputy Public Works Officer
3. Mailing Address for person listed in item 2 above:
City:Camp Lejeune State:NC Zip:28547
Phone: (910 ) 451-5950 Fax: (910 ) 451-2927
Email:carl.h.ba kerOusmc.mil
4. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
Motorcycle Training Course, Building 58, Marine Corps Base, Camp Lejeune, North Carolina
(Construction Contract No. N40085-09-C-0087)
5. Location of Project (street address):
Wooded area northeast of Building 58 off of Virginia Dare Drive
City:MCB Camp Lcjeune County:Onslow Zip:28547
6. Directions to project (from nearest major intersection):
Project site is located 630 feet northeast of Building 58 in an undeveloped wooded area along Beaverdam
7. Latitude:340 40' 25" N Longitude:770 20' 44" W of project
8. Contact person who can answer questions about the project:
Name:loseph C. Avolis, P.E. Telephone Number: (252 ) 633-0068
Email:avolisengineering@emb,irqmaii.com
It. PERMIT INFORMATION:
1. Specify whether project is (check one): ®New ❑Renewal ❑Modification
Form SWU-101 Version 09.25.08 Page I of 4

=eoiAiin()gp$erm)nin9
2. If this application is being submitted as the result of a renewal or modification t�e
existing permit number N/A and its issue date (if known)
3. Specify the type of project (check one): IBY'
❑Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SMP ❑Other
4. Additional Project Requirements (check applicable blanks; information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748):
❑CAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Industrial Stormwater
Ill. PROJECT INFORMATION
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.
Stormwater will be collected from the asphalt training area via sheet flow and curb and gutter. Discharge will
then be into a wet detention pond sized for 90%TSS removal.
2. Stormwater runoff from this project drains to the White Oak River basin.
3. Total Property Area: 1.769 acres 4. Total Coastal Wetlands Area: 0 acres
5. Total Property Area (3) — Total Coastal Wetlands Area (4) = Total Project Area**: 1.769 acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA): 68.1 %
7. How many drainage areas does the project have? 1
8. Complete the following information for each drainage area. If there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below.
For high density projects, complete the table with one drainage area for each engineered stormwater device.
Basin Information
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Beaverdam Creek
Stream Class & Index No.
SB; NSW (Index No. 19-20-2)
Total Drainage Area (so
77,041 SF
On -site Drainage Area (so
77,041 SF
Off -site Drainage Area (so
0 SF
Existing Impervious* Area (so
0 SF
Proposed Impervious*Area (so
52,490 SF
% Impervious* Area (total)
68.1 °U
Impervious* Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (so
0 SF
On -site Streets (so
0 SF
On -site Parking (so
52,490 SF
On -site Sidewalks (so
0 SF
Other on -site (so
0 SF
Off -site (so
0 SF
Total (so:
52,490 SF
Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
**Total project area shall be calculated to exclude Coastal Wetlands from use when calculating the built upon area
percentage calculation. This is the area used to calculate overall percent project built upon area (BUA).
Form SWU-101 Version 09.25.08 Page 2 of 4

9. I -low was the off -site impervious area listed above derived? Field visit and topographic survey.
Projects in Union County: Contact the DWQ Central Office staff to check to see if you
within a Threatened & Endangered Species watershed that may be subject to more stringe
requirements.
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following property restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels 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.
Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms.hun - deed restrictions.
Form DRPC-1
High Density Commercial Subdivisions
Form DRPC-2
High Density Developments with Outparcels
Form DRPC-3
High Density Residential Subdivisions
Form DRPC-4
Low Density Commercial Subdivisions
Form DRPC-5
Low Density Residential Subdivisions
Form DRPC-6
Low Density Residential Subdivisions with Curb Outlets
By your signature below, you certify that the recorded property restrictions and protective covenants for this
project shall include all the applicable items required in the above form, 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 NC DWQ, and that they will be recorded prior to
the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project. Contact the Stormwater Permitting Unit at [phone] for the status and
availability of these forms. Forms can be downloaded from http://112o.enr.state.ncus/Su/bmp forms.htm.
Form SW401-Low Density
Form SW401-Curb Outlet System
Form SW401-Off-Site System
Form SW401-Wet Detention Basin
Form SW401-Infiltration Basin
Form SW401-Infiltration Trench
Form SW401-Bioretention Cell
Form SW401-Level Spreader
Form SW401-Wetland
Form SW401-Grassed Swale
Form SW401-Sand Filter
Form SW401-Permeable Pavement
Form SW401-Cistern
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Bioretention Cell Supplement
Level Spreader/Filler Strip/Restored Riparian Buffer Supplement
Constructed Wetland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Cistern Supplement
Form SWU-101 Version 09.25.08 Page 3 of 4

RFC RUVE- D
VI. SUBMITTAL REQUIREMENTS JUN 2 ZOO
Only complete application packages will be accepted and reviewed by the Divisiowof,Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should -le--)
submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the
interactive online map at http:f/h2o.enr.state.nc.tis/su/msi maps.htm)
Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Initials
• Original and one copy of the Stormwater Management Permit Application Form :�ei
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if 69-4--
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP 3e4l.-
• Permit application processing fee of $505 (Express: $4,000 for FID, $2,000 for LD)
payable to NCDENR ,6V_Kti
• Calculations & detailed narrative description of stormwater treatment/management FQ,R.
• Copy of any applicable soils report
• Two copies of plans and specifications (sealed, signed & dated), including:
- Development/Project name
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR 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)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm): Avolis Engineering, P.A.
Mailing Address: P.O. Box 15564
City: New Bern Stale: NC Zip: 28561
Phone: (252 ) 633-0068 Fax: (252 ) 633-6507
Email:[e-mail]
VIIL APPLICANT'S CERTIFICATION
1, (print or type name of person listed in General Information, item 2) Carl Baker, P.E.
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project wi e constructed in conformance with the approved plans, that the required deed restrictions
and protective c e ants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .10 A
Date: y _C219 6
Form SWU-101 Version 09.25.08 Page 4 of 4

TRANSMISSION VERIFICATION REPORT
TIME 07/06/2009 10:04
NAME NCDENR
FAX [phone]
TEL [phone]
DATE,TIME
07/06 10:e2
FAX NO./NAME
912526336507
DURATION
00:02:25
PAGE(S)
08
RESULT
OK
MODE
STANDARD
ECM
araLe U1 114Urlll a..urvmtu
Department of Environment and Natural Resources
Wilmington Regional Office
Beverly Eaves Perdue, Governor
FAX COVER SHEET
Date: l.A —
To: 2
Co: J
Fax: o`ZSa'
nee Freeman, Secretary
No, Pages (excl. cover):
Express Permitting
From: Sandra Exum
Phone 9� 1Oj796-7265
Fax: (91Q)350-?004
Hard Copy to follow --
127 Cardinal Drive Extension, Wilmingtnn, NC 29405 • (910) 7W7215 • An Equal Opportunity Allimiativc Action Employer

Russell, Janet
From: Towler CIV David W [[e-mail]]
Sent: Wednesday, June 17, 2009 10:52 AM
To: Russell, Janet
Subject: RE: Motorcycle Training Course Bldg. 58
Yes, that will be good.
Thanks,
David.
-----Original Message -----
From: Russell, Janet [mailto:[e-mail]]
Sent: Wednesday, June 17, 2009 10:47
To: Towler CIV David W
Subject: RE: Motorcycle Training Course Bldg. 58
David, I have talked to Chris Baker and Thursday, June 25 at 1:30 is good
for him. That way we can knock several projects out that day. Should I
confirm that to Avolis?
Janet
-----Original Message -----
From: Towler CIV David W [mailto:[e-mail]]
Sent: Wednesday, June 17, 2009 10:40 AM
To: Russell, Janet
Subject: RE: Motorcycle Training Course Bldg. 58
Any time would be fine for me. I'm just trying to think about how long is
it going to take for the 3 projects in the morning and then having time for
lunch. 1:30 should be just fine I think. Just let me know what you decide.
David
-----Original Message -----
From: Russell, Janet [mailto:[e-mail]]
Sent: Wednesday, June 17, 2009 10:37
To: Towler CIV David W
Subject: RE: Motorcycle Training Course Bldg. 58
I was thinking after lunch, maybe 1:30 or 2:00. I have to check with the
reviewer (probably Chris) to see what time he would schedule it. What time
would work for you?
Janet
-----Original Message -----
From: Towler CIV David W [mailto:[e-mail]]
Sent: Wednesday, June 17, 2009 10:34 AM
To: Russell, Janet
Subject: RE: Motorcycle Training Course Bldg. 58
I would be able to do it after lunch. Mr. Pryor's projects are going to
take a good chunk of time'(3 projects) so what time would you want to do the
motorcycle course meeting?
1

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NORTH CAROLINA DIVISION OF WATER OUALITYcu n9
SURFACE WATER PROTECTION SECTION
Central and Regional Office Contact Information
For State Stormwater Permits
ASHEVILLE'REGIONAL OFFICE
2090 US Highway 70
Swannanca, NC 28778
[phone]
HOW & ORW Projects in Counties Above
3800 Barrett Drive
Raleigh, NC 27609
[phone]
HOW & ORW Projects in Counties Above
WINSTON-
!AL EM REGIONAL OFFICE
585 Waughtown Street
Winston-Salem, NC 27107
[phone]
HOW & ORW Projects in Counties Above
FAYETTEVILLE REGIONAL _OFFICE
MOORESVILLE REGIONAL OFFICE
225 Green Street
610 East Center Avenue/Suite 3-01
Systel Building Suite 714
Mooresville, NC 28115
Fayetteville, NC 28301-5043
[phone]
[phone]
HOW & ORW Projects in Counties Above
HOW & ORW Protects in Counties Above
WASHINGTON REGIONAL OFFICE
WR IANGTON REGIONAL OFFICE
943 Washington Square Mall
127 Cardinal Drive Extension
Washington, NC 27889
Wilmington, NC 28405-2845
[phone]
[phone]
Coastal Stormwater, HOW & ORW Projects in Counties Above
Coastal StOrmwater. HOW & ORW Projects in Counties Above
CENTRAL OFFICE
1617 Mail Service Center
Raleigh, NC 27699-1617
-- —-------— — -
�� plaQed
[phone]
( Notth�CWW 'swater e
Phase 2 Post -Construction Projects not covered by local
-----------------�
govemment or 20 coastal counties
SwU-t t i-oaoioa Page 2 of 2

David
-----Original Message -----
From: Russell, Janet[mailto:[e-mail]]
Sent: Wednesday, June 17, 2009 10:14
To: Towler CIV David W
Subject: Motorcycle Training Course Bldg. 58
David, you've probably seen yesterday's email trying to schedule June 25th
with Robert Pryor at 10:00 to meet on
Piney Green Gate, MCAS Main Gate, Old Sawmill Road. If that time/date works
out for you, would you want to do the Motorcycle Training Course after lunch
that same day? I haven't set it up yet, but Avolis tells me that they're
available to meet that day. Let me know.
Janet
Janet M. Russell
Express Coordinator
910 796-7421
NOTE: change in email address: janet.russell(@ncdenr.aov
Email correspondence to and from this address may be subject to the North
Carolina
Public Records Law and may be disclosed to third parties.
Email correspondence to and from this sender is subject to the N.C. Public
Records Law and may be disclosed to third parties.
Email correspondence to and from this sender is subject to the N.C. Public
Records Law and may be disclosed to third parties.
Email correspondence to and from this sender is subject to the N.C. Public
Records Law and may be disclosed to third parties.

St,�� oSv
North Carolina Department of Environment and
Natural Resources
QPA Request for Express Permit Review
NCDENR
For DENR Use ONLY
Reviewer: Gb
Submit (Q-23�
30
Time: (.✓
Confirm _(0— 1
-K q
FILL-IN all the information below and CHECK the Permits) you are requesting for express review. FAX or Email the completed form to Express
Coordinator along with a completed DETAILED narrative site plan (PDF file) and vicinity map (same items expected in the application packaoe
of the project location. Include this form In the application package.
• Asheville Region -Alison Davidson 828.296 4898;alison.davidson aClncmall.net
• Fayetteville or Raleigh Region -David Lee 919-791-4203; david.letioricmail.net t I A b r 1 L
• Mooresville & -Patrick Grogan 704-663-3772 or patrick.erogan(oncmail.net i� Ttt f
• Washington Region -Lyn Hardison 252-946.9215 or Iyn.hardlsonRDncmail.nef
• Wilmington Region -Janet Russell910-350.2004 or lanet.russell(a)ncmail.net
NOTE: Project application received after 12 noon will be stamped in the following work day.
Project Name:tMOTORCYLCE TRAINING COURSE, BLDG 58 County: ONSLOW (� \\�I P c he r Zo F,d-
Applicant. COMMANDING OFFICER Company: MCB CAMP LEJEUNE E C E b E ,
Address:1005 MICHAEL ROAD City: CAMP LEJEUNE, State: NC Zip: 28547 I[ulr,JUI)
Phone:[phone] Fax: - - Email: CARL.H.BAKER(rDUSMC.MIL
Project is Drains into SB; NSW waters Project Located in WHITE OAK River Basin JUN 16.2009
Engineer/Consultant: JOSEPH C. AVOLIS. P.E. Company: AVOLIS ENGINEERING, P.A.
Address: P.O. BOX 15564 City: NEW BERN, State: NC Zip: 28561 OWQ r Rou #
Phone: [phone] Fax::[phone] Email: AVOLISENGINEERING(dEMBARQMAIL COM
(Check all that apply)
❑ Scoping Meeting ONLY ❑ DWQ, ❑ DCM, ❑ DLR, ❑ OTHER: _
❑ Stream Origin Determination: # of stream calls — Please aftach TOPO map marking the areas in questions
® State Stormwater ❑ General ❑ SFR,
❑Bkhd & Bt Rmp, ❑ Clear & Grub, ❑ Utility
❑ Low Density ❑ Low Density -Curb & Gutter _
# Curb 06det Swales [:1 Off -site [SW ;Provide permit #)]
® High Density -Detention Pond 1 # Treatment Systems ❑ High Density -Infiltration _ #Treatment Systems
❑ High Density -Sio-Retention _ # Treatment Systems
El High Density —Constructive Wetlands _ # Treatment Systems
❑ High Density -Other _ # Treatment Systems
❑ MODIFICATION SW _ (Provide permit #)
❑ Coastal Management ❑ Excavation & Fill
❑ Bridges & Culverts ❑ Structures Information
❑ Upland Development
❑ Manna Development ❑ Urban Waterfront
® Land Quality _ ® Erosion and Sedimentation Control Plan with 2_8 acres to be disturbed.(CK #. (for DENR use))
WETLANDS QUESTIONS MUST BE ADDRESSED BELOW
® Wetlands (401): Check all that apply
Isolated wetland on Property ❑ Yes ❑ No
Wetlands on Site ❑ Yes ® No
Buffer Impacts: ❑ No ❑ YES: acre(s)
Wetlands Delineation has been completed: ❑ Yes ❑ No
Minor Variance: ❑ No ❑ YES
US ACOE Approval of Delineation completed: ❑ Yes ❑ No
Major General Variance ❑ No ❑ YES
404 Application in Process wl US ACOE: ❑ Yes ❑ No
401 Application required: ❑Yes ❑ No If YES, ❑ Regular
Permit Received from US ACOE ❑ Yes ❑ No
Perennial, Blue line stream, etc on site ❑ yes ❑ No
For DENR use only
Fee Split for multiple permits: (Check # �
Total Fee Amount $
SUBMITTAL DATES
Fee
SUBMITTAL DATES
Fee
CAMA
$
Variance Ma Min
$
SW ❑ HD, ❑ L0, ❑ Gen
$
401:
$
LQS
$
Stream Deter,—
$
G°'? ",cd f1D r � 0 rid(i- t o (�o- I a

Stormwater Management Narrative
Construct Motorcycle Training Course
(Motorcycle Training Course)
Building 58
MCB Camp Lejeune, NC
Onslow County
This project proposes a high density construction project which consists of a rectangular
shaped asphalt surface to be used for motorcycle rider training. The only other
development is an entrance drive into the property.
The project will have a wet detention pond for stormwater treatment. The pond is sized
for 90% TSS removal and will detain the treatment volume associated with the 1.5 inch
rainfall event. The project area is established as a total of 1.769 acres in size. The
project built -upon area is 68.1 %. Approximately 2.8 acres of the site will be disturbed
by this project in order to construct the motorcycle rider training area, the stormwater
detention pond and the entrance drive.
The wet pond is sized using the average pond depth method and comes out to 3.5 average
feet. The forebay is sized to be 20% of the pond volume excluding the one foot sediment
storage zone. The provided permanent pool surface area of 5,808 SF exceeds the required
5,247 SF of permanent pool surface area. The detention pond will be used as a temporary
sedimentation trap during construction and will be cleaned of any accumulated sediment
after construction.
The soils on the site are classified as Baymeade and Marvyn by the Onslow County Soil
Survey. Baymeade is a fine sand and a fine sandy loam at the depths to be disturbed by
this project. Marvyn occurs on 6% to 15% slopes. Marvyn is described as a fine sand
and a sandy loam at the depths to be disturbed by this project. The depth to the seasonal
high water table at the boring location was determined to be 48 inches by a soil scientist
This depth corresponds to an elevation of 18.5 feet. The pond permanent pool elevation
is set at the seasonal high water table elevation.
The property is owned by Marine Corps Base Camp Lejeune and is Federal property.
There have been no previous permits issued for the work area.
There is no pre-1988 built -upon area existing on the site. The project area currently
exists as undeveloped woodlands. There is no off -site pervious or impervious area
draining into the site.
There will be no new utilities constructed by this project. There are no known historic
sites on the property. The project will be constructed with federal funds. There are not
any NCDENR non-compliance issues associated with the site. ^ E C E i V E D
IlunOu}J JUN 1 6:2009
DWQ
PROJ #

The site drains to Beaverdam Creek, a tributary of the New River. Beaverdam Creek is
classified as SB;NSW, index #19-20-2. There are not any Coastal wetlands on the site.
Section 404 wetlands adjoin the site along the eastern side along Beaverdam Creek. The
wetlands correspond with the relatively steep topography along Beaverdam Creek. This
project, including the detention pond outfall, does not impact the wetlands. The wetlands
were delineated by Joseph C. Avolis, PE, President Avolis Engineering, PA.
This project requires post development runoff rate control which is accomplished by the
wet pond to pre -development conditions for the 1-year, 24-hour storm. The NPDES
Phase II stormwater rules apply to the project area.

RE C E O d ED
JUN. 1612009
DWQ
PROD #
BIRCH STREET -
PROJECT SITE ; \ y ``�
♦ �:. � ern 1 1 •?�^ � /�' vA �,, < r � c� � / (ii 0 N ; � � � t �i
/
SITE LOCATION MAP SCALE: 1"=400'

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Stormwater Calculations
Motorcycle Training Course Building 58
Marine Corps Base
Camp Lejeune, NC
Contract #N40085-09-D-5334
Prepared for:
Commanding General
Marine Corps Base
1005 Michael Road
Camp Lejeune, NC 28547
Prepared by:
Avolis Engineering, PA
PO Box 15564
New Bern, NC 28561
[phone]
[phone] (fax)
June 5, 2009
REC-�A �g-T,
JUN 2 " 2009
BY: SGv 8CS9G2
'

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type
(origin)
Peak
flow
Icts)
Time
Interval
(min)
Time to
peak
(min)
Volume
(cuff)
Return
period
(Yrs)
Inflow
hyd(s)
Maximum
elevation
(ft)
Maximum
storage
(cuft)
Hydrograph
description
1
SCS Runoff
0.81
6
732
4,381
1
—
1-yr, 24-hr pre-
2
SCS Runoff
4.00
6
732
17,781
1
—
1-yr post w/o pond
3
Reservoir
0.69
6
768
17,296
1
2
19.83
10,250
1-yr,24-hr pond -
4
SCS Runoff
8.14
6
732
37,759
10
—
10-yr, 24-hr post
5
Reservoir
3.30
6
750
37,268
10
4
20.68
18,075
10-yr, post dev
!" 2 ^ 2009
�" i7.�—�----_
Proj. file: 09054MOTORCYCLE
L[IDF file: NEW BERN.IDF
Run date: 06-03-2009

Reservoir Report
Page 1
Reservoir No. 1 - MOTORCYCLE-BLDG68
Pond Data
Pond storage is based on known contour areas
Stage I Storage Table
English
Stage Elevation
Contour area Incr. Storage Total storage
ft ft
sqft
cuft
cuft
0.00 18.50
5,808
0
0
0.50 19.00
7,668
3.369
3,369
1.50 20.00
8,880
8,274
11,643
2.50 21.00
10,164
9,522
21,165
Culvert I Orifice Structures
Weir Structures
[A]
[B] [C]
[D]
[A]
[B]
[C]
[D]
Rise in = 18.0
1.3 0.0
0.0
Crest Len ft = 0.8
0.0
0.0
0.0
Span in = 18.0
1.3 0.0
0.0
Crest El. ft = 19.40
0.00
0.00
0.00
No. Barrels = 1
1 0
0
Weir Coeff. = 3.00
0.00
0.00
0.00
Invert El. ft = 18.00
18.50 0.00
0.00
Eqn. Exp. = 1.50
0.00
0.00
0.00
Length ft = 50.0
0.1 0.0
0.0
Multistage = Yes
No
No
No
Slope % = 2.00
1.00 0.00
0.00
N-Value = .024
.024 .000
.000
Orif. Coeff. = 0.60
0.60 0.00
0.00
Multistage = -
Yes No
No
Tailwater Elevation =
12.50 ft
Note: All outflows nave been analyzed under inlet and outlet control.
Stage I Storage I Discharge Table
Stage Storage Elevation Clv A
Clv B Clv C Clv D Wr A Wr B
Wr C
Wr D
Discharge
ft cuft ft
cfs
cfs cfs
cfs cfs cfs
cfs
cfs
cfs
0.00 0 18.50
1.30
0.00 -
-- 0.00 --
--
-
0.00
0.50 3,369 19.00
4.31
0.03 -
- 0.00 -
-
-
0.03
1.50 11,643 20.00
8.12
0.05 -
- 1.05 -
-
-
1.10
2.50 21.165 21.00
10.48
0.06 -
- 4.55 -
-
-
4.61
!UN 2 '1 000
YY:

Hydrograph Report Page 1
Hyd. No. 3
1-yr,24-hr pond
Hydrograph type = Reservoir
Storm frequency = 1 yrs
Inflow hyd. No. = 2
Max. Elevation = 19.83 ft
English
Peak discharge = 0.69 cfs
Time interval = 6 min
Reservoir name = MOTORCYCLE-BLDG
Max. Storage = 10,250 cuft
Stm ge Odic fiw memos uses. Total Volume = 17,296 cult
Hydrograph Discharge Table
Time
Inflow
Elevation
Clv A
Clv B
Clv C Clv D Wr A
Wr B Wr C Wr D Outflow
(min)
cfs
ft
cfs
cfs
cfs cfs cfs
cfs cfs cfs cfs
900
0.24
19.68
7.19
0.04
- - 0.33
- - - 0.37
1080
0.10
19.55
6.78
0.04
- - 0.13
- - - 0.17
1260
0.07
19.49
6.65
0.04
- - 0.06
- - - 0.10
1440
0.05
19.46
6.74
0.04
- -- 0.04
-- - - 0.08
1620
0.00
19.39
6.83
0.04
- - 0.00
- - - 0.04
1800
0.00
19.34
6.56
0.04
- - 0.00
- - - 0.04
1980
0.00
19.30
6.29
0.04
- - -
- - - 0.04
End
itE'lil t
!UN 2 2000
�V•

,lion Frequency Data Server
http://hdsc.nws. iioaa.gov/cgi-bi 11/hdse/bui I dout. pert'?type=pt&units=u.
0r POINT PRECIPITATION
j FREQUENCY ESTIMATES
`�_ FROM NOAA ATLAS 14
WILMINGTON WSO AIRPORT, NORTH CAROLINA (31-9457) 34.268
from Precipitation -Frequency Atlas of the United States" NOAA Atlas 14, Volume
G.M. Burin, D. Matter, B. Lot, T. Par y1rok, M.Yekta, and D. Riley
NOAA, National Weather Service, Silver Spring, Maryland, 20D4
Extracted: Mon May 19 2009
t
S0,11P
=e�t
3 N 77.9061 W
�, Version 3
Confidence Limits 1 Seasonality I Location Maps I Other Info. I GIS data 1 Maps
Docs j Return to State Mal
Precipitation Frequency Estimates (inches)
� 30 I 3 6.
7 d:rvAeRIrs*�0
u�n ta1m��Ita��tmn2�J3a0v �J4a.>v �t
.
052
083 104
FL22v4.
122543 178 279
54536.52
09 14
1722152.56 .73
70(813.08IY(a�)
>026 19.45
6�0G2
0.72
1.16 1.47
2.09 2.67 3.27 3.50 4.34 5.1I
6.02 Z04 7.86 8.98 9.94 13.01 15.70 19.28 22.75
10 O.RI
1.29 1.64
2.37 3.08 3.86 4.17 5.18 G.14
7.22 8.39 9.28 10.52 11.54 14.95 17.83 21.71 25.38
25 0.91
1.4(, 1.84
2.73 3.G4 4.73 5.17 6.45 7.69
9.08 10.45 1 1.39 12.76 13.87 17.70 20.78 25.08 28.91
50 0.99
1.58 2.00
3.01 4.08 5.48 6.06 7.57 9.09
10.73 12.26 13.22 14.66 15.83 19.96 23.14 27.75 31.65
100 1.07
1.71 2.16
3.30 4.55 6.30 7.05 8.84 10.68
12.61 14.30 15.24 16.72 17.93 22.37 25.57 30.48 34.38
14.75 16.61 17.48 18.97 20.21 24.92 28.09 33.28 37.12
18.06 20.14 20.86 22:Z5 23.52 28.55 31.58 37.12 40.75
200 1.15 1.83 2.31
3.59 5.04 7.20 8.15 10.26 12.47
500 1.26 1.99 2.50
3.98 5.72 8.54 9.84 12.45 I5.28
1000 1.34
2. 11 2.65
4.30 6.27 9.70 1131 14.37 17.77
20.99 23:23 23.78 25.02 26.28 31.50 34.33 40.12 43.51
These precipitation Irequencyestimates are based on a partial duration series. ARI is the Average Recurrence Interval.
Please refer to NOAANIas 14 Document for more information. NOTE: Formatting forces estimates near Rro to appear as Rro.
* Upper bound of the 90% confidence interval
Precipitation Frequency Estimates (inches)
ARI** 5 III IS 3t1 60 120 3 6 12 24 48 4 7 10 20 30 45 60
(years) min min min min min min hr hr hr hr hr day day day day day day day
0.56 090 1.12
1.53 191 2.29 2.46 3.04 3.58 4.27 5.02 5.68 I6.46 7.27 9.65 1 1.74 14.60 17.50
L
0.66 L06 1.33
I1.84 2.31 2.79 2.98 3.69 4.33 5.19 (>.08 6.85 7.79 8.71 11.51 13.96 I7.26 20.(I
5
0.78 1.24 1.57
2.24 2.87 3.56 3.81 4.73 5.59 6.71 7.80 8.68 9.79 10.80 14.02 16.74 20.45 24.10
1(1
0.87 1.39 1. 55
2.54 3.31 4.21 4.54 5.64 6.69 8.03 9.29 10.25 11.46 12.53 16.07 8.99 23.03 2G.85
25
0.98 1.56 1.97
2.92 3.89 5.14 5. 11 6.99 8.37 10.07 11.58 12.60 13.91 15.07 19.05 22.16 26.61 30.61
50
1.06 L 99 2.14
3.23 4.37 5.95 6.58 8.20 9.87 11.90 13.6I 14.64 15.99 17.22 21.55 24.73 29.49 33.58
10o
1.15 1.83 2.31
3.53 4.87 6.84 7.64 9.55 11.58 13.98 15.91 16.93 18.28 19.54 24.21 27.39 32.47 36.58
200
1.24 1.96 2.47
3.85 5.40 7.80 8.81 11.09 13.52 16.38 18.56 19.49 20.80 22.09 27.11 30.19 35.58 39.58
500
1 000
1.35 .14 2.69
1.44 .27 2.85
4.28 6.14 9.28 10.64 13.46 16.57 20.18 22.64 23.42 24.61 25.94 31.26 34.19 39.86 43.67
4.62 6.75 10.57 12.26 15.58 19:24 23.57 26.25 26.90 27.83 29.18 34.76 3738 43.38 46.91
The upper bound of the confidence interval at 90% confidence level is the value which 5%of the simulated quantile values for a given frequency are greater than.
"These preciptation frequency estimates are based on a partial duration series. ARI is the Average Recurrence Interval.
Please refer to NOAAAtlas 14 Document for more infonnalon. NOTE: Formatting prevents estimates near Rao to appear as Rro.
* Lower bound of the 90% confidence interval
Precipitation Frequency Estimates (inches)
ARI** 5 10 IS 30 60 120 3 6 12 24 48 4 7 10 20 30 45 60
(years) min min min min min min In
hr for fir
hr day day day day day day day
I of 4 5/ 18/2009 4:59 PP

Precipitation Frequency Data Server
litip: //Iidsc.nws. noaa.gov/cgi-bin/hdsc/btii ldout. perl?type=pf&units=u.
0.49 0.78
0.97
1.34 1.67
1.94 2.08
2.59 3.00 3.50 4.16 4.73 5.49 6.22 8.37 10.37 13.00 15.63
r 2
0.58 0.93
1.16
1.61 2.02
2.36 2.53
3.14 3.64 .24 5.03 5.70 6.62 7.43 9.98 12.32 15.38 18.42
0.68 1.08
1.37
I.95 2.50
3.02 3.23
4.02 4.70 5.48 6.44 7.19 830 9.19 12.14 14.78 18.21 21.53
I11
0.75 1.20
1.52
2.21 2.87
3.56 3.83
4.78 5.62 -6.5C> 7.64 8.45 9.69 10.65 13.91 16.73 20.47 23.95
25
2533
4
689
16.38 19.43 23.57 27.200.851
50
0.92 1.46
1.85
2:78 3.77
F99 5.51
6.90 8.21 9,56 10 97 1 1.83 13.32 14.45 18.35 21.54 25.94 29.67
1011
0.98 1.57
1.98
3.03 4.17
5.71 6.36
8.00 9.57 I I.10 12.63 13.52 15.06 16.23 2041.23.65 28.33 3206.
20o.05
327 .59
4
6.47 7.29
9112804.48 268982.55
.1I230.73 34.41
.17 1.06
SU0
IIUO
1.14 1.79
1.20 1.89
226
2.37
3.60 5.16
3.84 5.61
7.59 8.70
8.56 9.88
10.98 13.35 15.37 17.18 17.97 19.51 20.79 25.47 28.62 33.88 37.45
12.55 I5.29 17.55 19.47 20.18 21.65 22.93 27.77 30.83 3631 39.76
'The lower hound of the confidence intenel at90% confidence level is the value which 5% of the simulated quanWe values for a givan frequency ate
'Theseprecipitafionlrequencyestimatesambasedonapartialduratlonmadmaseries. ARlis Ue Average Recunencelnteml
'lease refer to NOAA Alas 14 Document for more information. NOTE'. Formatting prevents estimates near$ro to appear as mro.
Text version of tables
less than. -
X-%-V CA /
JUN 2 R 20V
BY:
C
44
42
40
38
36
34
32
30
28
26
24
22
20
16
16
14
12
10
8
6
4
2
0
Partial duration based Point Precipitation Frequency Estimates - Version: 3
34.2683 N 77.9061 N 26 ft
_..... ---- .----------__I
- ------------ -----i..------
-
I
- - 1 ----- ------
I
------------
2 5 10 25 50 100 200 500 1000
Average Recurrence Interval (years)
Mon May 18 16:58:51 2009
Duration
5-min
48-hr 30-day ^'-
10-min
s-hr'
4-day
t3-m 1n -+-
-
7-day 60-day --
30-min -a-
12-hr
16-iiyu -•-
60-min -ti-
24-hr
20-dau
2 of 4 5/ 18/2009 4:59 PP

Precipitation Frequency Data Server
http://hdsc.nws.noaa.gov/cgi-bin/hdse/bui ldout. perl?type=pf&units=u..
44
42
40
38
36
Y34
32
30
28
y 26
4 24
22
20
18
Q 16
14
m 12
L to
8
6
4
2
0
Partial duration based Point Precipitation Frequency Estimates - Version: 3
34.2683 N 77.9061 W 26 ft
I
_
T_
a
_ _
L
L L
C
L
L E
L L L L L L
L
L
L
T
T T
T
T
T
T
T
T T
I
S L L L L L
S
L
L
N
N N
N
T
N
N
N
N N
Duration
N
M
d .D
Mon May
18 16:58:51
2009
Maps -
Average Recurrence Interval
(years)
1 ,
2 100 —
:00 -,-
25 -u- 1000
z
0
o0
3 of4 5/18/20094:59 PN

Precipitation Frequency Data Server
http://hdse.nw s.noaa.gov/cgi-bin/hdsc/btii Idout.perl?type=pf&units=u.
Other Maps/Photographs -
These maps were produced using a direct map request from the
U.S. Census Bureau Mapping and Cartographic Resources
Tiger Mao Server.
Plea,, read durininrrrJ., mare in1,,r.,no,.
LEGEND
— State
— Connector
— County
nlux Stream
-`Indian Res
:Military Area
Lake/Pond/Ocean
National Park
— Street
Other Park
— Expressway
["',City
— Highway o
2---- County 6 8 mi
Scale 1:220583
2 il
*average --true scale depends on monitor$ esolution
View USGS digital ortho Dltoto quadrangle (DOO) coveringthis location from TerraServer; USGS Aerial Photograph may also
be available
from this site. A DOQ is a computer -generated image ofan aerial photograph in which image displacement caused by terrain relief
and camera
tilts has been removed. It combines the image characteristics of photograph with the geometric qualities of map. Visit the USGS
for more information.
Watershed/Stream Flow Information - [-R-E—C�:j `Vi 1A.-Find the Watershed for this location using the U.S. Environmental Protection Agency's site. 2 1 2009
Climate Data Sources --------
Precipitation frequency results are based on data from a variety of sources, but largely NCDC The following links provide
general information
about observing sites in the area, regardless of if their data was used in this study. For detailed information about the stations
used in this study,
please refer to NOAA Ailcrs 14 Doctuncw.
Usingthe National Climatic Data Center's (NCDC) station search engine, locate other climate stations within:
+/-30 minutes ...OR... +/-1 degree of this location (34.2683/-77.9061). Digital ASCII data can be obtained directly from
NCDC:.
Hydmmeteorologieal Design Studies Center
DOC/NOAA/National Weather Service
1325 East-West Highway
Silver Spring, MD 20910
[phone]
QuesimnO'. IUSC.Vuc>lionvi%nuaa.�oc
4 of 4 5/ 18/2009 4:59 PI

Figure 10-2b
Basic Wet Detention Basin Elements: Cross -Section
`Vegetation not shown d,,,: Average depth of permanent pool to use in the SAIDA tables (ft)
Option 1: d =
""Hardened �� perm_➢ool
Aperm_ pool
emergency overflow I
r(not shown Option2: d. 0.25x11+Depth"""Side slope stabilized 11 Ate'-p"; J Ll 2
per PE judgment Temporary pool Vegetated"
Freeboard level
Permanent pool Side slope
Bottom of vegetated shelf 3:1 (]ft above max stage)
Outlet above Bottom of and Sediment Ve etated" 1 .I
temporary pool"" p ( g Max Stage
clean -out top elevation) shelf Forebay
Sedimentclean-out loft, 10:1 ;Side slopes 'A
Outlet orifice Side slope***_ a --q —2 1
bottom elevation_ P _,
l�
C
hJ
N
O
O
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la

ECS CAROLINAS, LLP "Setting the Standard for Service"
Geotechnical • Construction Materials • Environmental • Facilities June 1. 2009
Mr. Kevin Avolis, P.E.
Avolis Engineering, P.A.
P.O. Box 15564
New Bern, North Carolina 28563
Re: Infiltration Evaluation
Motorcycle Training Pad #2
Camp Lejeune, Onslow County, North Carolina
ECS Project No. 22.14961
Dear Mr. Avolis,
ECS Carolinas, LLP (ECS) recently conducted an infiltration evaluation for the
proposed stormwater best management practice (BMP) areas at the Motorcycle
Training Pad #2 site on Camp Lejeune, Onslow County, North Carolina. This letter,
with attachments, is the report of our evaluation.
Field Testing
On May 28, 2009, ECS met with Mr. Kevin Avolis in order to locate the requested test
locations. ECS then conducted an exploration of the subsurface soil conditions at
three requested locations shown on the attached Test Location Plan (Figure 1). The
purpose of this exploration was to obtain subsurface information of the in -place soils for
the proposed stormwater BMP areas. ECS explored the subsurface soil conditions by
advancing a hand auger boring into the existing ground surface at the requested boring
locations. ECS visually classified the subsurface soils and obtained representative
samples of each soil type encountered. ECS also recorded the seasonal high water
table (SHWT) observed at the time of each hand auger boring. The attached Infiltration
Evaluation Form provides a summary of the subsurface conditions encountered at the
hand auger boring location.
The SHWT was estimated at the boring locations below the existing grade elevation. A
summary of the findings are as follows:
Location
SHWr
1
Winches
2
48 inches
3
48 inches
ECS has conducted one infiltration test utilizing a compact constant head permeameter
near the hand auger boring #3 in order to estimate the infiltration rate for the
subsurface soils. Infiltration tests are typically conducted at two feet above the SHWT.
If the SHWT is less than two feet, the tests are conducted at ten inches below the
surface elevation.
7211 Ogden Business Park, Suite 201, Wilmington, NC 28411 • T: 910-686-9114 • F: 910-686-9666 • www.ecs[imited.com
ECS Carolinas, LLP • ECS Florida, LLC • ECS Illinois, LLC • ECS Mid -Atlantic, LLC • ECS Southeast, LLC • ECS Texas, LLP

u
Infiltration Evaluation
Motorcycle Training Pad #2
Camp Lejeune, Onslow County, North Carolina
ECS Project No. 22.14961
June 1, 2009
Field Test Results
Below is a summary of the infiltration test results:
.jUN 2 " 2009
Location
Description
Depth
Inched
hour
3
Tan fine SAND w/ clay
10 inches
0.62
Infiltration rates and SHWT may vary within the proposed site due to changes in
elevation and subsurface conditions.
Closure
The activities and evaluative approaches used in this assessment are consistent with
those normally employed in assessments of this type. Our evaluation of site conditions
has been based on our understanding of the project information and the data obtained
during our field activities.
ECS appreciates the opportunity to provide our services to you on this project. If you
have any questions concerning this report or this project, please contact us at (910) 686-
9114.
Respectfully,
ECS CAROLINAS, LLP
�fI
K. Brooks Wall
Project Manager
Attachments: Figure 1 - Test Location Plan
Infiltration Evaluation
John .Lair, P.G.
Princi al Geologist

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TEST LOCATIONS
Motorcycle Training Pad #2
Figure 1- Test Location Plan
Camp Lejeune, Onslow County, NC
tklo
Provided by: Avolis Engineering,
ECS Project No. 14961
P.A.
May 26, 2009
Q'r�1R®L99�91A►�
KBW

Infiltration Evaluation
Motorcycle Training Pad #2
Camp Lejeune, Onslow County, North Carolina
ECS Project No. 22.14961
May.28, 2009 �c'�" V �:i:
Location Death Soil Description
1 0-6" Gray fine silty SAND BY:
6"-36" Tan fine SAND w/ clay
Seasonal High Water Table was estimated to be at 36 inches below the
existing grade elevation.
Location Depth
2 0-6"
6"-24"
24"-60"
Soil Description
Grey fine SAND w/silt
Tan fine SAND w/ clay
Orange/tan sandy CLAY
Seasonal High Water Table was estimated to be at 48 inches below the
existing grade elevation.
Location Depth
3 0-6"
6"-15"
15"-50"
50"-72"
72"-108"
Soil Description
Grey fine SAND w/silt
Tan fine SAND w/clay
Orange/tan sandy CLAY
Orange/tan fine SAND w/clay
Orange/tan/grey CLAY w/sand
Seasonal High Water Table was estimated to be at 48 inches below the
existing grade elevation.
Infiltration Rate: 0.62 inches per hour
Test was conducted at 10 inches below existing grade elevation
Groundwater was not encountered up to 108 inches below the existing
grade elevation.