SW8080510_HISTORICAL FILE_20080530

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 Q$ 0 510
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2008 05 30
YYYYMMDD

Michael F. Easley, Governor
William G. Ross Jr, Secretary
North Carolina Department of Environment and Natural Resources
Coleco 11, Sullins Director
Division of Water Quality
May 30, 2008
Carl Baker, Deputy Public Works Officer
United States Marine Corps
1005 Michael Rd
Camp Lejeune, NC 28574
Subject: Stormwater Permit No. SW8 080510
FRC Maintenance Facility at MCAS New River, Camp Lejeune
High Density Project
Onslow County
Dear Mr. Baker:
The Wilmington Regional Office received a Stormwater Management Permit Application for
FRC Maintenance Facility at MCAS New River on May 14, 2008 with additional information submitted
on May 27, 2008. Staff review of the plans and specifications has determined that the project, as
proposed, will comply with the Stormwater Regulations set forth in Session Law 2006-246 and Title 15A
NCAC 2H.1000. We are forwarding Permit No. SW8 080510 dated May 30, 2008, for the construction
of the subject project.
This permit shall be effective from the date of issuance until May 30, 2018, 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. Please
note that stormwater runoff from the built -upon area on the west side of the FRC Maintenance Building,
in the drainage area #43, will be treated by a modification when the future hangar is built due to site
drainage/elevation limitations.
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 150B 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 yo ve any questions, please contact M.J. Naugle or me at [phone].
Sin
(3e&k
Edward Beck
Regional Supervisor
Surface Water Protection Section
ENB/mjn: S:\WQS\STORMWATER\PERMIT\080510 may08
cc: K. Joshua Hurst, PE, Clark Nexsen
Onslow County Building Inspections
Onslow County Engineering Department
Onslow County Planning Department No`
thCarolina
Wilrniragfdn_Regional Office, -Central Files, M.J. Naugle A Wura//ll
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: www.newaterquality ore Fax [phone]
An Equal Opportunity/Affirmative Action Employer - 50 % Recycled110% Post Consumer Paper

State Stormwater Management Systems
Permit No. SW8 080510
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
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
Carl Baker, Deputy Public Works Officer and US Marine Corps
FRC Maintenance Facility at MCAS New River
Campbell & White & Foster Streets, Camp Lejeune, Onslow County
FOR THE
construction, operation and maintenance of two sand filters in compliance with the provisions of
15A NCAC 2H .1000 and the Session Law 2006-246 and (hereafter referred to as the
"stormwater 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 permit shall be effective from the date of issuance until May 30, 2018, 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
designed to handle the runoff from 17,631 square feet of impervious area.
3. This basin must be operated with a 30 foot vegetated filter.
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 built -upon area for the future development
allocated in this permit. Any additional BUA will require a modification of this permit. The
BUA on the west side of the FRC Maintenance Building in the drainage area #43 will be
treated by a modification when the future hangar is built due to site drainage/elevation
limitations.
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 of this project must
be directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 080510
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
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
Carl Baker, Deputy Public Works Officer and US Marine Corps
FRC Maintenance Facility at MCAS New River
Campbell & White & Foster Streets, Camp Lejeune, Onslow County
FOR THE
construction, operation and maintenance of two sand filters in compliance with the provisions of
15A NCAC 2H .1000 and the Session Law 2006-246 and (hereafter referred to as the
"stormwater 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 permit shall be effective from the date of issuance until May 30, 2018, 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.
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
designed to handle the runoff from 17,631 square feet of impervious area.
3. This basin must be operated with a 30 foot vegetated filter.
4. 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 built -upon area for the future development
allocated in this permit. Any additional BUA will require a modification of this permit. The
BUA on the west side of the FRC Maintenance Building in the drainage area #43 will be
treated by a modification when the future hangar is built due to site drainage/elevation
limitations.
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 of this project must
be directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 080510
The following design criteria have been permitted for the sand filters and must be
provided and maintained at design condition:
Sand Filter Number
#1 & 2 same
None
Drainage Area Name
DA-1 & 2
DA-23
a. Drainage Area, acres
0.184 each
0.52
Onsite, ft.
7989 each
22,651
Offsite, ft
None
None
b. Total Impervious Surfaces, ft
7989
1653
c. Design Storm, inches
1.5
N/a
d. Sedimentation Basin Surface Area, ft
99
N/a
e. Sand Filter Surface Area, ft2
99
N/a
I. Inside Bottom Elevation, FMSL
18.22
N/a
g. Bypass Weir Elevation, FMSL
21.47
N/a
h. Permitted Storage Volume, ftj
949
N/a
i. Type of Soil
Engineered
Sand
N/a
. Expected Infiltration Rate, ft/day
3.5
N/a
k. Time to Draw Down, hours
<40
N/a
I. Receiving Stream/River Basin
Stick Creek/ Lumber
m. Stream Index Number
19-15
n. Classification of Water Body
SC:HWQ,NSW
It. SCHEDULE OF COMPLIANCE
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.
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 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 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.
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.
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.
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.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 080510
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.
8. 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, 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 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 CAMA 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.
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.
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 to the Division of Water
Quality, signed by both parties, and accompanied by the appropriate 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.
2. The permittee is responsible for compliance with all permit conditions until such time as
the Division approves the transfer request.
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.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 080510
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 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 in writing of any name, ownership or mailing
address changes within 30 days.
Permit issued this the thirtieth day of May 2008.
T COMMISSION
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 080510
FRC Maintenance Facility at MCAS New River, Camp Lejuene
Stormwater Permit No. SW8 080510
Onslow County
Designer's Certification
I, , as a duly registered
North Carolina, having been authorized to observe
construction of the project,
(Project)
for
in the State of
(periodically/ weekly/ full time) the
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
SEAL
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 080510
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 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.
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. All required design depths are provided.
13. All required parts of the system are provided.
14. The required system dimensions are provided per the approved plans.
cc: NCDENR-DWQ Regional Office
Onslow County Building Inspections
Page 7 of 7

i
DWQ USE ONLY
Date Received
Fee Paid
Permit Number
5 08
000. -1,,-, 4
0 S 0 S I C)
312tot AD INIF0 il-, tf$3t�8
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
77ris farm may be photocopied for use as an original
I. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
United States Marine Corps, Camp Lejeunc, North Carolina
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Carl Baker (Deputy Public Works Officer, Marine Corps Base, Camp Lejeunc)
3. Mailing Address for person listed in item 2 above:
City: Camp Lejeune State: NC Zip: 28574
Phone: (910 ) 451-2213 Fax: (910 ) 451-2927
Email: carl.h.bakerQusmcmil
4. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
MCAS NEW RIVER - FRC MAINTENANCE FACILITY
5. Location of Project (street address):
CAMPBELL STREET TO THE NORTH, WHITE STREET TO THE WEST, FOSTER STREET TO THE EAST
City: IACKSONVILLE County: ONSLOW Zip: 28547
6. Directions to project (from nearest major intersection):
FROM ROUTE 17 TURN LEFT ONTO CURTIS RD, ONTO NEW RIVER AIR STATION, THEN RIGHT
ONTO BANCROFT STREET, FINALLY A LEFT ONTO CAMPBELL STREET
7. Latitude: 34' 43' 04" N Longitude: -77' 26' 43" W of project
8. Contact person who can answer questions about the project:
Name:K. Joshua Hurst, PE Telephone Number: (919 ) 828-1876
Email:[e-mail]
II. PERMIT INFORMATION:
RECEIVED
Form SWU-101 Version03.27.08 Page I of MAY 1 4 2008
BY:

C
- (.

1: Specify whether project is (check one): ®New ❑Renewal ❑Modification
2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
[]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):
❑LAMA Major ❑Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Stormwater
III. 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.
The stormwater running off the proposed building will be treated by outfalling the downspouts into two sand
filter chambers that discharge to a grass swale that flows to a level spreader and filter strip.
2. Stormwater runoff from this project drains to the New River basin.
3. Total Property Area: 1.29 acres 4. Total Wetlands Area: na acres
5. 100' Wide Strip of Wetland Area: na acres (not applicable if no eoetlands exist on site)
6. Total Project Area**:1.29 acres 7. Project Built Upon Area:45.7 %
8. How many drainage areas does the project have?3
9. 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 hieh densitv proiects, complete the table with one drainage area for each engineered stormwater device.
Basin Information-
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Stream Class & Index No.
Total Drainage Area (so
On -site Drainage Area (so
Off -site Drainage Area (so
Existing Impervious* Area (so
Proposed Impervious*Area (so
see attached summary
see attached summary
% Impervious* Area (total)
Impervious* Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (so
On -site Streets (so
On -site Parking (so
On -site Sidewalks (so
Other on -site (so
Off -site (sf)
Total (so:
Form SWU-101 Version 03.27.08
Page 2 of 4

l�t wm
Basin Information
DA-1 DA-2 DA-23 DA-30 DA-32
DA 43
DA-48
Receiving Stream Name
Stick Creek
Stream Class & Index No.
Class: SC;HQW,NSW Index No: 19-15
Drainage Area (so
79891
7989
22651
25048
146961
25779
20228
Existing Impervious Areas
31541
7849
5776
25048
13199
10896
20228
Proposed Imervious Areas
7989
7989
1653
25048
13199
7578
20228
% Impervious Area (total)
100%
100%
7%
100%
90%
29%
100%
y =:,�„ 777';
; , a'.-
Y _ f,
, ;., .-,fin-
x 1 '#' :- ..,.
--'� - r
.. ._ ,.
x T, -g
_
4•._6
�-xC _.
it,7' 'f 'M1'
Impervious Surface Area
.v..,y
- i, x . .£4
44. ?F
On -site Building s
7989
7989
0
0
0
103
0
On -site Streets s
0
0
0
0
0
0
0
On -site Parkin s
0
0
0
25048
13199
7475
20228
On -site Sidewalks s
0
0
1089
On -site ads/sandfilters
0
0
564
Off -sites
0
0
0
0
0
01
0
Totals
79891
79891
16531
250481
131991
75781
20228

* 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 based on the current policy regarding inclusion of wetlands in the built upon area
percentage calculation. This is the area used to calculate percent project built upon area (BUA).
10. How was the off -site impervious area listed above derived?derived from cad files
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following deed 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 htto://h2o.enr.state.nc.us/su/bmp forms.htm - 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 DRPC4
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 deed 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 State, 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 and General Permits Unit at [phone] for the
status and availability of these forms. Forms can be downloaded from
httn://h2o.enr.state.ne.us/so/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-I-evel Spreader
Form SW401-Wetland
Form SW401-Grassed Swale
FormSW401-Sand Filter
Form SW401-Permeable Pavement
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/Filter Strip/Restored Riparian Buffer Supplement
Constructed Wetland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Form SWU-101 Version 03.27.08 Page 3 of

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the
interactive online map at httti://h2o.enr.state.ne.us/suhnsi ntaps.htm)
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
II 'tials Original and one copy of the Stormwater Management Permit Application Form
• Original and one copy of the Deed Restrictions &Protective Covenants Form (if
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP
• Permit application processing fee of $5d5 (Express: S4,000 for HD, $2,000 for LD)
payable to NCDENR
• Calculations & detailed narrative description of stormwater treatment/management
• 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)
VIL 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. (ex. designing engineer or firm)
Designated agent (individual or firm):K. Joshua Hurst, P.E., c/o Clark Nexsen
Mailing Address:4000 Westchase Boulevard, Suite 280
Phone: (919 ) 828-1876
Email: i h urs t�cl arknexsen.com
VIII. APPLICANT'S CERTIFICATION
State:NC Zip:27607
Fax: (919 ) 828-1877
1, (print or type name of person listed in General Infortnation, item 2) Carl Baker
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
n nts will be rj rded, and that the proposed project complies with the requirements of 15A and protective co}
NCAC 2H .10(0. J
Form SWU-101 Version 03.27,08
Page 4 of 4
Date: 5—' 6 X

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P. 01
TRANSACTION REPORT
t
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JUN-02-2008 MON 08:00 AM
FOR: NCDENR
9103502004
SEND
DATE START RECEIVER
TX TIME PAGES TYPE
NOTE M# DP
K JUN-02 08:00 AM 919198281876
0 FAX TX
BUSY 515
TOTAL OS PAGES: 0
t �
State of North Carolina
Department of Environment and Natural Resources
Wilmington Regional Office
Michael R Easley, Governor William G. Ross, Jr., Secretary
FAX COVER SHEET
Date: June 2, 2008, No. Pages (exel. cover): 7
Express Permitting
To: K. Joshua Hurst PE From: Sandra Exum
Cc: Clark Nexsen Phone: [phone]
Fax: [phone] Fax: [phone]
Re: Express Permit for FRC Maintenance Facility at MCAS
Hard copy to follow -
127 Cardinal llrive Extension, Wilmington, NC 28405 . [phone] 9 An Equal Opportunity Affirmative Action Employer

Engineering
Mav � � 2ooe
Project: FRC Maintenance Facility at MCAS New Reber
NCDEATR Stormwater Project No. SI178 090510
Submittal: 3tormwater Expreff Review
Date of Submittal: May 27, 2008
6160 Kempseille Circle, Suite 200A Location: Onslow, ITC
Norfolk, Viginia 23502 CN Ref. No.: N2496.2
7571455-5800
Fax [phone]
hitp: //wmw.clarknexien. com
Below are NCDENR's comments and Clark Nexsen's responses to the stormwater review of P-1184 Dining Facility
at Stone Bay MCB Camp Lejeune. NCDENR's comments are fisted first, followed by our response in italics.
1. Please report consistent values for built -upon area on the application and plans. The BUA reported on
plan #C-104 differs from the values included on the application table. C-104 reports total proposed BUA of
25,605.17 square feet and the application table reports proposed total of 17,631 sf. Report all BUA within
the drainage areas delineated on plans C-104 and DA-2 on both tables in the application and the plans. The
application table reports greater bua proposed than existing, yet in the meetings on April 23 and May 7, the
project was stated as proposing less BUA.
Response: The original BUA areas shown on C104 were bared offproject limits, versus the application summary sheet it based
off drainage areas. In order to be consistent throughout the package we've updated the values shown on C104 to reflect the
drainage areas.
2. Verify the treatment volume on the sand filters. The volume to treat is reported as 899 cubic feet, whereas
the calculated volume in accordance with the bmp should be closer to 950 cu ft. j\:tQV sch = 3630
RdRvAtotal]
Response: The treatment volumes for the sand feller have been updated to accommodate the port construction IY/Q V of 950 ceeft,
as darifzed in your email response sent on May 21, 2008.
3. Verify the surface area provided of each sand filter chamber. The supplement and calculations report 100
sf, yet the plans delineate an area 18 x 5 = 90 sf due to the bypass weir/outlet. Provide an off fine bypass
prior to the sediment chamber as required in the bmp for flow splitter, thus increasing the treatment
area/volume in the media chamber.
Response.- The supplement has been updated to reflect the number provided with the calculations and shown on the plans. The
off-line bypass will be revised
4. Label the plans with the engineer name, firm, and address. Although a PE stamped the plans, no firm
name or address were included.
Response: The engineer name, firm, and address have been added to the plan on sheet C102. This project is a NAVFAC
project wbich does not allow us to modify the title block provided by !be federal Government.
J:\jobs\2496-FRC blaint Fac-DFW\5 Discipline Filcs\Civil\ncdenr submittal\comment response\2008-05-21 NCDENR
Stounwater Comments Response i\lemo.doc Page 1 of 2 Page 1

Anbitecture & Engineering
Project: f RCMaintenance Facility at MCAS New River
NCDENR Stornwater Project No. S W78 080510
Submittal: SlomrwaterExpress Review
Date of Submittal: May 27, 2008
5. Please verify the bypass is provided for the volume in excess of the design storm. The supplement states
no, yet a weir is detailed on plan C107.
Response: The bypass weir provided as part of tbe bmp structure was .rued for a 100year storm and was provided at the
elevation above the sand filter weir depth elevation. The supplement will be updated to reflect the bypass weir design as part of the
structure.
6. Correct the level spreader detail on C106 for the outlet from a swale. The section detail and notes
currently report information to collect runoff from a basin.
Response: The level spreader detail on C106 hat been revised to specify 'Crass Swale"rather than 'Emegeng Spillway "and
Inside Slope of the Basin. "
7. Submit $500 fee for additional information required in the express program.
Response: A S500 cheek has been included with this submittal. (.i �8 3T ✓ /
8. Please note that a revision to one number may have a domino effect on other numbers, which may require
revision of the applications, calculations, supplements, plans, details, and associated documentation. Please
verify all numbers are correct to ensure consistency in the appficadon documents.
Response: Noted!
J:\jobs\2496-FRC Maint Fac-DEN\5 Discipline Files\Civil\ncdenr submittal\comment response\2008-05-21 NCDENR
Stormwater Comments Response Memo.doc Page 2 of 2 Page 2

A rt%rtarure & E Tanmv� g VD
To: NCDENR Date:
6160 Kmpzge Cirde, Suite 200A
Nafclk, Virginia 23502-3945
7571455-5800
Fax [phone]
http:11uuw dank=sen can
We transmit
Attn: Mary Jean Naugle
127 Cardinal Drive Extension
Wilmington, 28405
G
Project No: 2496.2
Reference: SW8080510
FRC Maintenance Facility
❑ herewith
® in accordance with your request
❑ under separate cover
For Your
® approval
❑
distribution to parties
❑ review and comment
❑
record
❑ use
❑
information
The Following
® drawings
❑
computer file(s)
❑ specifications
❑
samples
❑ change order
❑
product literature
❑ shop drawings
®
calculations
Copies Date
Description
2 5/23/08
Revised sheets (C102, C104, C106, C107)
1 5/23/08
Revised Supplements, narrative, summary sheet, and calculations
(�-D l
C—Ee q� 5M , r C -K +a
S
I'm resubmitting the entire calculations package to eliminate having to tear apart the old booklet and slip sheet everything.
Please let me know d you require any additional information to complete your review.
By: Jeffrey J. Bass
MAY 2 7 2008
Copies to: files
Cfias in Norfolk, Ridmar4 Akxandria, Rav7&e, O.arlateaniRako
A P*,ionl Capmrzm
Docu ent2

r,
RECFTVED
MAY 2 7 2008
BY;� o
Stormwater Submittal
23 May 2008
FRC Maintenance Facility �N CARo�""'`
New River Air Station, NC issI el,
Engineer (s): K. Joshua Hurst, P.E.
Jeffrey J. Bass
W 33574
Architecture & Engineering

CN Comm. No.: N2496 2
MCAS New River
Jacksonville, NC
MCON P-681 Fleet Readiness Center Maintenance Facility
NARRATIVE
Project Description
The purpose of this project is to construct a single story maintenance facility to provide
work spaces in support of the establishment of the Fleet Readiness Center East Site New River.
Other site work will include land grading, various asphalt and concrete areas, and laterals for
both domestic water and sanitary sewer. This project will meet minimum anti -terrorism force
protection standards. Approximately 1.29 acres, of a 2.86 acres of a drainage area, will be
disturbed during this construction period. The site is located in Jacksonville, North Carolina at
the New River Marine Corps Air Station off of U.S. 17. The project site is located in the New
River watershed. Stormwater runoff currently flows north to a drainage ditch that flows to a 12-
inch culvert that flows west. It is the intent of the project to reduce the amount of existing
impervious surface located within the project limits, and redevelop the existing area.
Site Description
The Maintenance Facility site is located to the northeast of the overall New River site.
The project site is located along the north side of the concrete aircraft parking apron, west of
existing maintenance hangar AS504 and is within the flight line secured perimeter fence, with
access to authorized personnel only. The site currently consists of a mix of bituminous concrete
pavement and grass. The nearest streets are Foster Street to the east, Campbell Street to the
north and White Street to the west.
The site slopes to both the north and the south, with the drainage divide located
approximately at the edge of the airfield. The topography of the site is generally flat with a high
of approximately 20 feet to the southeast and a low of approximately 16 feet running along the
grassed drainage ditch to the north of the site. There is no evidence of significant erosion under
present site conditions.
Adjacent Property
The property to the north, east, south and west of the construction site are within the New
River Marine Corps Air Station. An airfield is located to the south, Building AS502 (firehouse)
to the north, maintenance hangar AS504 to the east and a grassed area to the west. The new
construction will have a similar use to that of the support buildings currently located on the site.

SAND FILTER 1
SC WATERS
Post Development
Ad=
t.;Tyria r;;=`'0:183
Ac
la=
1.000
Rv=
0.950
Rd=
1.5
inches
V
948.68236
tuft
Total Vol. Requried(V)= 948.7 cult
WQV = 949 cult
Step f
WQVadj = WQV '(0.75)
WQVadj = 711.75 cuft
Step 2
Determine the minimum surface area for both the sediment chamber and sand filter.
ha= hmaxfiiter / 2
hmaxnter is the total depth over the sand filter
hmaxf,ter= 3.6 ft
ha= 1.8 ft
Step 3
hmaxeuer =WQVadj / (As + At)
As = [ 240 ' Rv 'Ad] Rd
As = 62.723 sqft Minimum surface area of the sediment chamber
Af = (WQV ' df) / [(k)'(t)'(ha + df)) df=1.5 k=3.5 ft/day t=1.66 days
Af = 74.245 sqft Minimum surface area of the sand filter
Dimensions for this design
Sand filter
Width
5.5 ft
Length
18 ft
Sediment Chamber
Width
5.5 ft
Length
18 ft
As= 99 sqft
Af= 99 sqft
WQVadj = 711.75
(As + Af) ' hmaxeiter >= WQVadj
712.8 >= 711.75
Dimensions are greater than Min surface area - Okay
Dimensions are greater than Min surface area - Okay
Design Volume is greater than WQVadj - Okay
Step 4
See details of sand filter structure in relation to easy of maintenance and access for cleaning

SAND FILTER 2
SC WATERS
Post Development
Imp. A
--,Ol83Ac
la=
1.000
Rv=
0.950
Rd=
1.5
inches
V
948.68235
cult
Total Vol. Requried(V)= 1 948.7 tuft
WQV = 949 tuft
Step 1
Step 2
Step 3
WQVadj = WQV '(0.75)
WQVadj = 711.75 cult
Determine the minimum surface area for both the sediment chamber and sand filter.
ha= hmaxfiRer 12
hma=eite, is the total depth over the sand filter
hmacfilter= 3.6 ft
ha= 1.8 ft
hmaAlter =WQVadj / (As + Af)
As = f 240' Rv'Adl Rd
Af = (WQV - df) / [(k)`(t)'(ha + do) df=1.5 k=3.5 ft/day t=1.66 days
Af = 74.245 sqft Minimum surface area of the sand filter
Dimensions for this design
Sand filter
Width
5.5 ft
Length
18 ft
Sediment Chamber
Width
5.5 ft
Length
18 ft
As= 99 sqft
Af= 99 sqft
WQVadj = 711.75
(As + Af) ` hmaxeuer >= WQVadj
712.8 >= 711.75
Dimensions are greater than Min surface area - Okay
Dimensions are greater than Min surface area - Okay
Design Volume is greater than WQVadj - Okay
Step 4
See details of sand filter structure in relation to easy of maintenance and access for cleaning

I
mom- c00�/,FuU X_ T13 a IN]a
Architecture & Engineering -] ARCHITEC I U101, LIMECHANICAL MCIVIL Ci FLEC-1 HICAL I SIRUC-I'LIRAL
7,
DATV — 5 19, __ —COMilt BY
COMM. No., 2l bq _CHECKED BY
F?( )Ifi•"I I vj�IJ(� " r i 4 - 'SI I [:,[;*I NO. / to _sf­iF.F,-is
,Level sf*e I ei4i, st"P
-A(, C' 411C4 =j" A, 2,
L,), 4, ­r a j5;z = 6L W ac-
v, (o.z5mo,62�
0,53L,
-r.- = 5 m #IT,
LY = C 14
7,il4r
59) ( 7. o) (a. s&) 32- trs
1m,0 2 1 MI
CIA
2 qivr -ba5cj OA M fn
C?tw foqo(q)emq)= 15�, CR
131fas5 nech � be-
�,'W_ Or Ille ei(S t-0 a mloimU.,r„ of f'P A r4es
e-4 ged-.-w,4'
cm
41.,t /A r *prw'A+i� DF5Mgo&S
.96t W;f,
c+M,Rbw myo -h.

C
Weir Report
Hydraflow Express Extension for AutoCAD& Civil 3D® 2008 by Autodesk, Inc.
Monday, May 12 2008
WEIR CALCULATIONS INTO SANDFILTER 1 & 2 FROM SEDIMENT CHAMBER
Rectangular Weir
Crest
= Sharp
Bottom Length (ft)
= 1.00
Total Depth (ft)
= 0.35
Calculations
Weir Coeff. Cw
= 3.33
Compute by:
Known C
Known Q (cfs)
= 0.68
Depth (ft)
1.00
0.50
M0
-0.50
Highlighted
Depth (ft)
= 0.35
Q (cfs)
= 0.680
Area (sqft)
= 0.35
Velocity (ft/s)
= 1.96
Top Width (ft)
= 1.00
WEIR CALCULATIONS INTO SANDFILTER 1 & 2 FROM SEDIMENT CHAMBER Depth (ft)
1.00
0.50
M
-0.50
Weir W.S. Length (ft)

Weir Report
Hydraflow Express Extension for AutoCAD® Civil 3D® 2008 by Autodesk, Inc.
WEIR CALCULATIONS FOR BYPASS DEVICE
Rectangular Weir
Crest
= Sharp
Bottom Length (ft)
= 2.00
Total Depth (ft)
= 0.40
Calculations
Weir Coeff. Cw
= 3.33
Compute by:
Known Q
Known Q (cfs)
= 1.54
Depth (ft)
1.013
0.50
M
-0.50
Highlighted
Depth (ft)
Q (Cfs)
Area(sgft)
Velocity (fUs)
Top Width (ft)
WEIR CALCULATIONS FOR BYPASS DEVICE
Monday, May 12 2008
= 0.38
= 1.540
= 0.75
= 2.04
= 2.00
Depth (ft)
1.00
0.50
M
CI)(.'111
0 .5 1 1.5 2 2.5 3
Weir W.S. Length (ft)

Weir Report
Hydraflow Express Extension for AutoCAD® Civil 3D® 2008 by Autodesk, Inc.
Level Spreader Weir Velocity
Rectangular Weir
Crest
= Sharp
Bottom Length (ft)
= 43.16
Total Depth (ft)
= 0.60
Calculations
Weir Coeff. Cw
= 3.33
Compute by:
Known C
Known Q (cfs)
= 3.32
Depth (ft)
t.00
0.50
M
-0.50
Highlighted
Depth (ft)
Q (cfs)
Area(sgft)
Velocity (fft/s)
Top Width (ft)
Level Spreader Weir Velocity
Monday, May 12 2008
= 0.08
= 3.320
= 3.50
= 0.95
= 43.16
Depth (ft)
1.00
0.50
M
-0.50
Weir W.S. Length (ft)

APPENDIX C
SHEET 6 OF 8
on
.■■.■■�
Sol
Lfts ga4a\���`�-_tvl�_
ttitit�itittlt�tp
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MEMEWLM
MOM M
milli
• ,
t�ittr���lt
—� w�
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�7►pA�\A
IIIIIU�
�11�11��
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ttt�aa�►-�►�a
r
i
CHART C 200.7

S,n h
POINT PRECIPITATION
,'.
FREQUENCY ESTIMATES
FROM NOAA ATLAS 14
North Carolina 34.672 N 77.456 Ci' 9 feet
lio,a
"a n, %,I,, ,I 'he u:dla $U11- NOAA :„in, I.I. e;,in�ne;. cerv.,n
G.M. n„mm, 1). Rl:u:in, It Lin. I IbrnhA,;\LYc1u.:nd 0. Rd-
NI)AA, N:nl:nui a'e:nhe, 4,nire. Silva,
Fx mends Fri Fcl:, ]oe3
t __••••-�••��.,,,,,.� 11
ora,unda,y
�( �ocauonMaps
I�OtherInfo, �� GISdata
i" h4aps Help
FPrecipitation
Frequency Estimatei (inches)1204, 10 �0
3 hr fi hr 12 hr 24 hr 48 hr
❑[lay
3U I60�
0.49 078 098 1.34
min
LG72.032.19
dac dap j day
2.6G 3.14 3.jS4.17 E6r, 5,41 '6.06 8.10
day it day Jar
994 12.46 15.09
0.5S 0.- 1.16 -61
2.02 2.46
2.66 3.23 3.81 4.3G 5.05 �,63 6.52 ,7.27 9.G4
I i.S0 14.?3 19.80
C� 0.6 i L07 i.;G L93
2.4R 13.10
3.36 410 4.86 5.63 6.4E [ 15 8.20 1- 1 I LTi
14.19 I17.55 20.93
10 i 0.75 i 20 1.52 2.21
ZS 0.85 1.35 1.?2 2.54
2.87!3.67
3.38 i4.46
4.OI 4.90 5.83 6]3 i.71 �d43J 10.45 13.45
4.92 6.03 7.23 8.39 F9 Tqj El o 36 F,.60 9E 15.90
I6:I I '19.84 23.44
18 Ei6 K3 5 2G.83
FJQg .47 .17 211
00 1.0
10 1.59 ^_.O i 11]
381 5.13
,
4.241E
53 704 8.49 9T3 1Ell 291394
S2SG3 29.49
-zoo-IF, -R1.71 2.15 3.35
4,70 6.
, 66U 8.14 9.88 11.44 13.06 .(>5 Li.I 11G.12 20.03
7Sfi 9.3j 11.44 13.25 i5.12 .57 17.OS 78.17 22.27
23.OG j28.30 32.18
�259013i.Oj 34.SS
500 L 117 1.86 2.33 .72
5.33 7.72
8.97 J,1.16 13.7i 1QW 18.25 � J 19.94 20.99 25.44
28-.33 34.87 3b it
1R00 1.26 1.98 2A8 9,02
5.57 8.CS
10.23 I2.77 i5.S7 1839 20.96 21.13 22:32 233G 28.00
30:R0 27:84 4130
I exi version of table I "�Se pfe'p'�°?n m 7 "Tklkl are bases on a pania our m ser% ARI F 04 Average Ra ,,tse interval:
Please:elerwtheoorunen%M fan ,;,Iu alen. NOTE:=ovwtiN 1-, a fima'm now zero to appex as rero.
Upper hound of the 90% confidence interval
Precipitation Frequency Estimates (inches)
10 IS 30 60 120 3 6 12 24 48 << 7 LO 20 30 (4� 60
Tin min n:in min min hr hr hr �I hr I��� I o
2
5
10
25
50
1 200 1
IOOD 1.36 I 2.70 9.37 6.38 9.46 11.18 t4.02 17.53 20 41 23 50 23 6j 24.78 25.90 30.76 33'.561�
the upper bouts of mewn9oerae m,oval al9044cxdGence We, a the udueN„ of toe 54MIaled quarme valves far a given Gequerq are grearor awn.
These pleciotation kequen,.y estMI, are based cn a partei 4arliio Selim. ARi is the Average Reamence IMcn'x.
Please relw to the ooax ema5oo tormore!M ioVl1$ n: NOTE: Eoim m g WevrnK esU I, Ma (o appear a: Zero.
;1O)WIT' bound of the 900/0 confidence interval
Precipitation Frequency Estimates (inches)
(ceazs) min10 30 60 120 3r 6 2 4 48 4 20 e0 45
hhmin min hr mn �
http:(','hdse.nws.noaa.goN,/cgi-bin/hdscibuildout. perl?type=pf&,units=us&series=pd&statena... 2;8/2008

_ 1 Ili_44 ,_.45 o.,U 'L4..+ ll4.ri Ih.h0 Ij'-t; 119 _U 1141.661111
2
1 50 1
200 0.97i 1.54 1.94 3.03 4.24 5.92 6.72 8.24 9.96 11.58 11.14 13.6.R li.l4 L
500 1.05 L6G 2,09 3.32 4.76 EKE 9.69 1LRO 13.71 15.54 1 G 03 17.40
1000 LI I IJS 2.20 3?G i,2017.63 S.RR 10.9G 73A1 ISSO 17.56 17.9R 19?+[
'The bwer borne d the conh1ence irt=-Mat9 MOdmce let'elu the valuerMcA A of Onsmated Im,* values!a ai
' Ih A Praopamm5epue,,', ,bna;es se o2Kd on a partial duraton manna sane,. ARI is the Average ReeirtenIe luterrd,
Phase rely to Ne doamarur-lam e'vdonson.NOTE: FsmzCise pretests e9una es sea zerc m:ppeaas
Partial
duration based Point Precipitation Frequer:cy Estimates - Version: 3
34.672 ti 77.456 W 9 ft
42
Ae
34
P
=
30
_
e
o
26
e4
r
22
20�
°
16 Fl
14
f' ....r10
_771-7-
0
l ,
1 2
3 4 5 6 7.8 910 20 30 40 50 80100 140 200 300 500 700 Me
Fri
Feb 08 10:.22:
Auera Be Recurrence Intervalfy.,ars)
45 2008 '
Dure. ion
5 min
3-n:�. .-r-
-+- L0-d=u -•-
,Cj_y°y
e da
hitp: h1i dsc. nw•s, n0aa.90v/cgi-bi n/hdsc/bui ldout, Pert?type=pf&uni is =us&Seri es=pd&statcna... 2/812008

TerraServer Image Courtesy of the USGS
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Send To Printer Back To TerraServer Change to 11x17 Print Size Show Grid Lines Change to Landscape
0' '.Wi
Image courtesy of the U.S. Geological Survey
© 2004 Microsoft Corporation. Terms of Use Privacy Statement
http://terraserver-usa.com/Printlmage.aspx?T=2&S=13&Z=18&X=172&Y=2402& W= I &D... 5/6/2008

Channel Report
Hydraflow Express Extension for AutoCAD® Civil 3D® 2008 by Aulodesk, Inc.
Proposed Outfall for Sand Filters (Q10)
Trapezoidal
Bottom Width (ft)
= 2.00
Side Slopes (z:1)
= 15.00, 108.00
Total Depth (ft)
= 0.82
Invert Elev (ft)
= 17.42
Slope (%) ,
= 0.67
N-Value
= 0.240
Calculations
Compute by:
Known Q
Known Q (cfs)
= 3.32
Elev (ft) Section
19.00
18.50
W-111111
17.50
17.00
16.50
Monday, May 12 2008
Highlighted
Depth (ft)
= 0.50
Q (cfs)
= 3.320
Area (sgft)
= 16.37
Velocity (fUs)
= 0.20
Wetted Perim (ft)
= 63.52
Crit Depth, Yc (ft)
= 0.17
Top Width (ft)
= 63.50
EGL (ft)
= 0.50
Depth (ft)
1.58
1.08
M
-0.42
-0.92
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Reach (ft)

Table 8.05a
Maximum Allowable Design Velocities'
for Vegetated Channels
Typical Soil
Grass Lining
Permissible Velocity'
Channel Slope Characteristics'
for Established Grass
Application
Lining (ftfsec)
0-5% Easily Erodible
Bermudagrass
5.0
Non -plastic
Tall fescue
4.5
(Sands & Silts)
Bahiagrass
4.5
Kentucky bluegrass
4.5
Grass -legume mixture
3.5 p 01;
Erasion Resistant
Bermudagrass
6.0
Plastic
Tall fescue
5.5
(Clay mixes)
Bahiagrass
5.5
Kentucky bluegrass
5.5
Grass -legume mixture
4.5
5-10% Easily Erodible
Bermudagrass
4.5
Non -plastic
Tall fescue
4.0
(Sands & Silts)
Bahiagrass
4.0
Kentucky bluegrass
4.0
Grass -legume mixture
3.0
Erosion Resistant
Bermudagrass
5.5
Plastic
Tall fescue
5.0
(Clay mixes)
Bahiagrass
5.0
Kentucky bluegrass
5.0
Grass-leguma mixture
3.5
>10% Easily Erodible
Bermudagrass
3.5
Non -plastic
Tall fescue
2.5
(Sands& Silts)
Bahiagrass
2.5
Kentucky bluegrass
2.5
Erosion Resistant
Bermudagrass
4.5
Plastic
Tall fescue
3.5
(Clay mixes)
Bahiagrass
3.5
Kentucky bluegrass
3.5
Source: USDA-SCS Modified
NOTE: 'Permissible Velocity based on 10-year
storm peak runoff
'Soil erodibility based on resistance to soil movement from concentrated
flowing water.
3Before grass is established, permissible
velocity is determined by the type oftemporary liner used.

rtM
ECS CAROLINAS LLP
,CAROL'INAS Cywtechni6al'' Constiu&ion Materials • Environmental • FacilitiesM h 5, 2008 '
Mr. Jeff Bass.
Clark Nexsen
6160 Kempayille Circie
-Norfolk,• Virginia 23.502'
Re: Infiltration Evaluation
FRC Mamteuance Facility
Jacksonvi,16,North Carolina
ECS Project No. 22:-138511
Dear Mr. bass,
ECS''Carolmas LLP (BCS)�r cently conducted an infiltration evaluation for .the .proposed
mfiltiahon area at the srte 466ated at the end of Campbell Road m�the•New River Air Station:iri, ..:-K .. r .i ♦. ... i
Jaolrsoriville, North Carolina This letter, witli:attachments is tfie report of our evaluations
Field Test[ng
On March 3, 2008 ECS met mth-Mr:-John Cotton with Bay'Elecinc on site m order to provide
the,requesteditest locations ECS then conducted an exploration of -the subsurface soil 'and,
kgroundrwater conditions at four requestedllocations shown°'on the attached Site,piagram - ,The
purpose of thia exploration�was,to obtain subsurface irifoimahon�of the suitability of,tli"e' in;
place,soils'for the proposed!mfilte- area We explored the subsurface soil and`gronod'water
conditions by advancing one hand auger boring into the existin&ground surface at the four•
requested, poring locations We visnallyl elasstf3ed.the subsurface sods ;arid obtaihed i
u representative samples of each soil type encountered' We also recorded the ground water level
observed at the_tune of eachhand' auger boring' The.atiached hifiltrationoEvaluation Form, f
provides a summary of the subsurface condiiii' ncbuntered at each hand, auger boring
location {
s ,
ground water level and the seasonal high ground wateF level (SHWL) were estimated "at. s
each' boriig location below'the existing grade elevation' Below rs a summary of each, be
locatiom "
I cation Water•Level
S HWL
1, 55^inches 30-inches.
SSinches s'r; 30,111c}es_..
' 4 50 mclies y ` 30 inches
t d l r
721 l Ogden Business Park Suite 201 Wilmington, NC 28411 • (910) 686-91�14 • Faxr(910) 686-9666 wMv ecslumted.com
'rAshevl'6 NC 6ad6iiL'NQ t7ceensboro,NG yGreenville;BC Raleigh,�NC Swaueboro NC• ,R'ilmmgtoa•NC- '
teshag 6mice6 only

Infiltration Evaluation
FRC Maintenance Facility
Jacksonville, North Carolina
ECS Project No. 22.13851
Utilizing a compact constant head permeameter, we have conducted four infiltration tests near
hand auger borings to estimate the infiltration rate for the subsurface soils. The infiltration tests
are typically conducted at two feet above the SHWL.
Meld Test Results
Below is a summary of the infiltration test results:
Location
Description
Depth
Inches/hour
Inches/mmurte
1
Grey/tan fine
10 inches
0.0
0.0
SAND w/clay
lenses
2
Black sandy
10 inches
0.0
0.0
SILT
3
Grey/black
10 inches
0.0
0.0
CLAY w/sand
4
Black silty
10 inches
0.0
0.0
SAND
The test results indicated that there was no infiltration due to the clay, silt and moisture content
in the soils.
Infiltration rates and SHWL may vary within the proposed site due to changes in elevation and
subsurface conditions.
If you have any questions regarding this report, please contact us at [phone].
Respectfully,
ECS CAROLINAS,,LLP
K. Brooks Wall
Staff Geologist
Attachments: Site Diagram
Infiltration Evaluation
04C%--_
Walid M. Sobh, P. E.
Principal Engineer
NC License No. 22983

i
FRC Maintenance Facility
New River Air Station
0 BORING LOCATIONS
ECS Project No. 22-13851
March 3, 2008
1 BW

Infiltration Evaluation
FRC Maintenance Facility
Jacksonville, North Carolina
ECS Project No. 22.13851
March 3, 2008
Location Depth Soil Description
1 0-40" Grey fine SAND w/clay lenses (fill)
40"-60" Black sandy, clayey SILT
Seasonal High Water Table was estimated to be at 30 inches below the existing
grade elevation.
Infiltration Rate: 0.0 inches per minute (0.0 inches per hour)
Test was conducted at 10 inches below existing grade elevation
Ground water was encountered at 55 inches below the existing grade elevation.
Location Depth Soil Description
2 0-12" Black sandy SILT
12"-36" Orange/grey CLAY w/some sand
36"-60" Black CLAY w/ sand
Seasonal High Water Table was estimated to be at 30 inches below the existing
grade elevation.
Infiltration Rate: 0.0 inches per minute (0.0 inches per hour)
Test was conducted at 10 inches below existing grade elevation
Ground water was encountered at 55 inches below the existing grade elevation.
Location Depth Soil Description
3 0-6" ABC stone
6"-10" Grey fine SAND w/clay lenses (fill)
10"-36" Grey/black CLAY w/sand
Seasonal High Water Table was estimated to be at 15 inches below the existing
grade elevation.
Infiltration Rate: 0.00 inches per minute (0.0 inches per hour)
Test was conducted at 10 inches below existing grade elevation
Ground water was encountered at 26 inches below the existing grade elevation

Infiltration Evaluation
FRC Maintenance Facility
Jacksonville, North Carolina
ECS Project No. 22.13851
March 3, 2008
Location Depth Soil Description
4 0-20" Black silty SAND
20"-60" Grey/black CLAY w/sand
Seasonal High Water Table was estimated to be at 30 inches below the existing
grade elevation.
Infiltration Rate: 0.0 inches per minute (0.0 inches per hour)
Test was conducted at 10 inches below existing grade elevation
Ground water was encountered at 50 inches below the existing grade elevation

C
Michael F. Easley, Governor
William G. Ross Jr., Secretary
rNorth Carolina Department of Environment and Natural Resources
1
.� Coleen H. Sullins Director
Division of Water Quality
May 19, 2008
Carl Baker, Deputy Public Works Officer
United States Marine Corps, Camp Lejeune, North Carolina
1005 Michael Rd
Camp Lejeune, NC 28574
Subject: Request for Additional Information
Stormwater Project No. SW8 080510
FRC Maintenance Facility at MCAS New River, Onslow County
Dear Mr. Baker:
The Wilmington Regional Office received a State Stormwater Management Permit Application
for FRC Maintenance Facility at MCAS New River on May 14, 2008. A preliminary review of that
information has determined that the following information is needed to continue the stormwater review:
1. Please report consistent values for built -upon area on the application and plans. The BUA
reported on plan #C-104 differs from the values included on the application table. C-104 reports
total proposed BUA of 25,605.17 square feet and the application table reports proposed total of
17,631 sf. Report all BUA within the drainage areas delineated on plans C-104 and DA-2 on
both tables in the application and the plans. The application table reports greater bua proposed
than existing, yet in the meetings on April 23 and May 7, the project was stated as proposing
less BUA.
2. Verify the treatment volume on the sand filters. The volume to treat is reported as 899 cubic
feet, whereas the calculated volume in accordance with the bmp should be closer to 950 cu ft.
[WQV sch = 3630 RdRvAtotal]
3. Verify the surface area provided of each sand filter chamber. The supplement and calculations
report 100 sf, yet the plans delineate an area 18 x 5 = 90 sf due to the bypass weir/outlet.
Provide an off-line bypass, prior to the sediment chamber as required in the bmp with a flow
splitter, thus increasing the treatment area/volume in the media chamber.
4. Label the plans with the engineer name, firm, and address. Although a PE stamped the plans,
no firm name or address were included.
5. Please verify the bypass is provided for the volume in excess of the design storm. The
supplement states no, yet a weir is detailed on plan C107.
6. Correct the level spreader detail on C106 for the outlet from a swale. The section detail and
notes currently report information to collect runoff from a basin.
7. Submit $500 fee for additional information required in the express program.
8. Please note that a revision to one number may have a domino effect on other numbers, which
may require revision of the applications, calculations, supplements, plans, details, and
associated documentation. Please verify all numbers are correct to ensure consistency in the
application documents.
Please note that this request for additional information is in response to a preliminary review.
The requested information should be received in this Office prior to May 27, 2008, or the application will
be returned as incomplete. The return of a project will necessitate resubmittal of all required items,
including the application fee.
If you need additional time to submit the information, please mail, email or fax your request for a
time extension to the Division at the address and fax number at the bottom of this letter. The request
must indicate the date by which you expect to submit the required information. The Division is allowed
90 days from the receipt of a completed application to issue the permit. N hCarolina
Jl Wura//y
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Servicc
Wilmington Regional Office Internet: tvww ncwaterauality ore Fax [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled110% Post Consumer Paper

The construction of any impervious surfaces, other than a construction entrance under an
approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to
enforcement action pursuant to NCGS 143-215.6A.
Please reference the State assigned project number on all correspondence. If you have any
questions, please call me at [phone] or email me at [e-mail].
Sincerely,
`
Mary Jean Naugle
ENB/mjn: S:\WQS\STORMWATERWDDINFO\2008\080510 may08
CC: Joshua Hurst, PE, Clark Nexsen
Wilmington Regional Office
M. J. N.

Basin Information
DA-1
DA-2
DA-23
Receiving Stream Name
Stick Creek
Stream Class & Index No.
Class: SC,HQW,NSW Index No: 19-15
Drainage Areas
7989
7989
22651
Existing Impervious Area (so
3154
7849
5776
Proposed Impervious Area (so
7989
7989
1653
% Impervious Area (total)
100%
100%
7%
Impervious Surface Area
On -site Building s
7989
7989
0
On -site Streets (so
01
0
0
On -site Parking (sD
01
0
0
On -site Sidewalks sf
01
0
1089
On -site ads/sandfilters
0
0
564
Off -site s
01
0
0
Total (sfj)j
79891
79891
1653

Ambitecture & Engineering
4000 I f/ertGmre Blvd, Suite 280
Raleigh, North Carolina 27607
9191828-1876
Fax [phone]
http: / / www. clarknesren. com
We transmit
For Your
The Following
To: NCDENR
127 Cardinal Drive Ext.
Wilmington, NC 28405
Attn: MaryJean Naugle
(gta5-7q 6-7303
® herewith
❑ in accordance with your request
❑ under separate cover
Z approval
❑ review and comment
❑ use
Date: May 14, 2008
Project No: 2496
Reference: FRC Maintenance
Facility at MCAS New River
MAY 14)2008
distribution to parties
❑ record
❑ information
®
drawings
❑
computer file(s)
®
calculations
❑
samples
❑
change order
❑
product literature
n
shop drawings
�
other
Copies
Date
Description
1
$4,000 Check to NCDENR for Express Stormwater Review `f$Z�q
1
May 2008
Comments Response Letter
1
May 2008
Rendering of FRC Maintenance Facility Building
2
May 2008
1 Original and 1 Copy of Stormwater Management Permit Application Form
1
May 2008
Sand Filter Supplement for Drainage Areas (DA) 1 and 2 (2 total)
1
May 2008
Grassed Swale Supplement for Drainage Areas (DA) 1, 2, and 23 (1 total)
1
May 2008
Level Spreader, Filter Strip and Restored Riparian Buffer
Supplement for Drainage Areas (DA) 1, 2, and 23 (1 total)
1
May 2008
Sand Filter Operation and Maintenance Agreements for DA 1 and 2 (2 total)
1
May 2008
Grassed Swale Operation and Maintenance Agreement
1
May 2008
Filter Strip, Restored Riparian Buffer and Level Spreader Operation and
Maintenance Agreement for DA 1, 2, and 23 (1 total)
2
May 2008
Stormwater Calculations (including soils report)
2
May 2008
Site Plans (full size)
Please contact me via email (jhurst clarknexsen.com) or at [phone] if you have any questions or need anything else from us
for the express stormwater review of this project. Thank you.
By: K. Joshua Hurst, P.E., PTOE
Copies to:
\\cn_admin\data\jobs\2496-FRC Maint Fac-DEW\4 Correspondence\transmittals\080514 Mary Jean Naugle - NCD6:NR.doc

W &REsPoNSFS
Architecture 6— Engineering
Project: FRC Maintenance Faality at New RiverAir Station
\CCDENR Stormwater
Submittal: Stormwater Express Review
Date of Submittal: May 13, 2008
4000 I17esichase Blvd, Suite 280 Location: New River Air Station, NC {
Raleigh, NC27607 CN Ref. No.: 1\i2496.2
9191828-1876 �` T
Fax [phone]
blip://www.clarkne.vsen.com MP`(
Below are NCDENR's comments and Clark Nexsen's responses to the stormwater review of FRC I6lainteno
Facility at New River Air Station. NCDENR's comments are listed first, followed by our response in italics.
1. Demonstrate that all roof drainage is directed into the bmp. Show the roof drain collection piping
on the plans. [re: checklist item V.C.261.
Response: The roof drain collection piping has been added to sheet C104, and an architectural rendering has been provided with
this submission to illustrate the roof drain connection to the sand filler.
2. Provide details of roof drain outlet into the sand filters. Consider flow sputter devices to minimize
erosive velocity into the sand filters. Erosive velocities and high sediment loads are a concern with sand
filters. Jbmp 11.3.A]
Response: See sand filter structure detail on sheet C107 for bypass around the sand filter chamber for large storms. The overflow
weir has been sized to accommodate a 100year storm, see calculations.
3. Provide a wide bottom trapezoidal swale and maximize the level spreader in accordance with the
bmp to the maximum extent practical within site limitations. There appears to be space on the north side of
the level spreader to meet the sizing requirement of the BMP table 8-1 which requires 13 feet of level
spreader lip per 1 cfs. lie: BMP section 8 and 13]. Although this site has limitations due to development
around existing built -upon area, provide the level spreader length where there is green space.
Response: The Swale has been reconfigured to provide a 2' wide bottom, see sheet C107 dam' C104. The level spreader has been
increased in length to accommodate 13 feet per 1 cfs, which is equivalent to 43.16 fi, see sheet C104.
4. Label the bottom elevation of the sand filters on the plans [re: checklist item V.C.18].
Response: The bottom elevation has been added to sheet C104, labels 8 and 9. In addition the elevation is shown on the sand
filler detail on sheet Cl07.
5. Label plans with a note that the east pad is to be treated with future builtuponarea on adjacent
property-i.e. hangar. This bua is not treated at this time due to site limitations of existing contours.
Response: Note 2 under General Notes has been added to address ibis comment, and in addition an approximate limits have
been drawn in on sheet C104, see labe113.
6. Provide submittal check for the application.
Response: A check has been provided with this submission.
7. Provide a site location map on the plans [re: checklist item V.C. 5 and application section VI (1)].
Response: A site location map has been provided on sheet C102.
\\cn_admin\data\jobs\2496-FRC Maint Fac-DE W\4 Corcespondeace\transmittals\2008-05-13 NCDENR Stomiwater
Comments Response \lemo.doc Page I of 2 Page I

COMMFNIS&RFSPONSES
Architecture & Engineering
Project: FRC Maintenance FaciW y at New River Air Station
ATCDEATR Stormwater
Submittal: StormwaterE%precr Review
Date of Submittal: May 13, 2008
8. Provide bypass of runoff in excess of the design storm to a vegetated filter prior to entering the bmp
[15A NCAC 2H.1008(d)(4), BMP section 11.3.A.
Response: See sbeet C107 .rand filter detail for the bmp bypass, wbicb outfalls to the grass swale and to the vegetated filter strip.
The bypass weir in the structure avoids the sand filter ebamber, but does enter the sediment chamber of the structure. Since
9. Provide calculations to demonstrate non -erosive velocities in vegetated swales and filter strips.
Response: See swale calculations provided with this submission, and the weir calculations for the level spread that demonstrate the
velocities the will be received by the filter strip.
10. Provide swale supplement and O&M.
Re pone: A copy of the Swale supplement has been provided with this submission, see attached. A swale supplement bas been
provided with this submission, but it is only a copy of the onginal. David Towler with Camp Lejeune is mailing the original and
has addressed it toyou. Please contact Josh Hurst [phone] orJeBass [phone] immediately ifyou do not
receive the original.
11. Provide dissipater on outlets, preferably level spreader. Include on both the bypass to the sand filters
and the outlet of the sand filters to ensure diffuse flow of stormwater.
Response: Agravel outlet bar been added to the outfall for the sand filter chamber and bypass to dissipate the energy flowing
from the sand filter structure.
12. Provide observation wells and/or clean -out pipe on the end of each sand filter. [bmp 11].
Response: Clean outs have been added to the Sand Fiberperforated pipe, see sheet C107.
\\cn_admm\data\jobs\2496-FRC Maint Fac-DEW\4 Correspondence\transtnittals\2008-05-13 NCDENR Stormwater
Comments Response Afemo.doc Page 2 of 2 Page 2

FRC Maintenance Facility at New River Air Sta.- Stormwater applic...
h 2tsop.<Y12
Subject: FRC Maintenance Facility at New River Air Sta.- Stormwater application Bi (Y\&1L
From: Mary Jean Naugle <[e-mail]>
Date: Wed, 07 May 2008 15:04:12 -0400
To: "Jeff J. Bass" <[e-mail]>, [e-mail],
[e-mail], Mary Naugle <[e-mail]>
Bobby and Josh;
Below are items we discussed this morning to complete the application for
stormwater :
1. Demonstrate that all roof drainage is directed into the bmp. Show
the roof drain collection piping on the plans. [re: checklist
item V.C.26].
2. Provide details of roof drain outlet into the sand filters. Consider flow
splitter devices to minimize erosive velocity into
the sand filters. Erosive velocities and high sediment loads are
a concern with sand filters. [bmp 11.3.A]
3. Provide a wide bottom trapezoidal swale and maximize the level
spreader in accordance with the bmp to the maximum extent
practical within site limitations. There appears to be space on
the north side of the level spreader to meet the sizing
requirement of the BMP table 8-1 which requires 13 feet of level
spreader lip per 1 cfs. [re: BMP section 8 and 13]. Although
this site has limitations due to development around existing
built -upon area, provide the level spreader length where there is
green space.
4. Label the bottom elevation of the sand filters on the plans [re:
checklist item V.C.181.
5. Label plans with a note that the east pad is to be treated with
future built -upon area on adjacent property-i.e. hangar. This bua
is not treated at this time due to site limitations of existing
contours.
6. Provide submittal check for the application.
7. Provide a site location map on the plans [re: checklist item V.C.
5 and application section VI (1)].
8. Provide bypass of runoff in excess of the design storm to a
vegetated filter prior to entering the bmp [15A NCAC
2H.1008(d)(4), BMP section 11.3.A. 9. Provide calculations to demonstrate
non -erosive velocities in
vegetated swales and filter strips.
10. Provide swale supplement and O&M.
11. Provide dissipater on outlets, preferably level spreader. Include
on both the bypass to the sand filters and the outlet of the sand
filters to ensure diffuse flow of stormwater. 12. Provide observation wells
and/or clean -out pipe on the end of each
sand filter. [bmp 11].
I attached the checklists to help with documentation for the submittal.
Please let me know if you need other information to complete the application.
Mary Jean Naugle
NC DENR- WiRO
910-796-7303
Checklist for Express Permitting.doc Content -Type: application/msword
Content -Encoding: base64
I of 2 5/7/2008 3:04 PM

Re: FRC MAINTENANCE FACILITY - QUESTION
Subject: Re: FRC MAINTENANCE FACILITY - QUESTION
From: Mary Jean Naugle <[e-mail]>
Date: Mon, 05 May 2008 10:28:46 -0400
To: "Jeff J. Bass" <[e-mail]>, Mary Naugle <[e-mail]>
Jeff;
for this project ...
The conditions of redevelopment require that the new built -upon area be less than
the prior built -upon area and that stormwater treatment is to the maximum extent
practical. NPDES ph 2 does not apply to redevelopment for pre/post requirements.
The rule states that redevelopment means any rebuilding activity which has no net
increase in built -upon area. 15A NCAC 02H. 1002 (14). Redevelopment provides
stormwater control which meets the requirement of the rule to the maximum extent
practicable. [.1003(3)(B).l
Post construction practices required by section 9 of the session law 2006-246 shall
not apply to redevelopment. [section 8 (2)].
Treat for 1 1/2 inch. Future modifications may have different conditions depending
on the built -upon area and the rules at the time of permit modification.
Include documentation to demonstrate the prior and the current built -upon area
within the project limits. Report elevations and contours on plans to demonstrate
that the runoff is collected and treated to the maximum extent practical.
Demonstrate sheet flow of the rebuilt paved area to the west vegetated areas as
much as possible [label future hangar expansion].
Please let me know if you need more information.
Mary Jean Naugle
910-796-7303
Jeff J. Bass wrote:
Mary Jean,
I wanted to touch base with you to make sure we are on the same page,
and that my submittal on Wednesday will be acceptable to you. The FRC
Maintenance Facility project is a redevelopment project and I've sized
my sand filter systems for the building based on the WQV that is based
on post development volumes minus pre development volumes, as specified
in Chapter 3. The only thing that is questionable is whether
predevelopment conditions for redevelopment can be based on the current
surveyed conditions, or do we need to consider predevelopment to be a
cleared field (as usually used with new construction sites). Can you
please clarify the definition of predevelopment when working with a
redevelopment project and trying to calculated WQV?
Thanks!
Jeffrey J. Bass P.E.
Associate, Civil Engineer
CLARK�NEXSEN
Architecture & Engineering
6160 Kempsville Circle Suite 200A
Norfolk, VA 23502
757.961.7805 Tel.
757.455.5638 Fax
[e-mail]
www.clarknexsen.com
CONFIDENTIALITY NOTE: This e-mail and any files transmitted with it
contain privileged and confidential information and are intended solely
for the use of the individual or entity to which they are addressed. If
you are not the intended recipient or the person responsible for
delivering the e-mail to the intended recipient, you are hereby notified
I of 2 5/5/2008 10:38 AM

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