20070245 Ver 2_Other Agency Comments_20080220

F WAIF
O? y. --- RQG O C) 'a [ Vp r Michael F. Easley, Governor
William G. Ross Jr., Secretary
` ; r North Carolina Department of Environment and Natural Resources
O _ `C Coleen H. Sullins Director
Division of Water Quality
February 20, 2008
Carl Baker, Deputy Public Works Officer, Marine Corps Base, Camp Lejeune
United States Marine Corps, Camp Lejeune, North Carolina
1005 Michael Road
Camp Lejeune, NC 28574
Subject: Stormwater Permit No. SW8 070847 Modification
Marsoc Complex at Camp Lejeune with Headquarters - Phases 1 & 2
Overall Low Density with Pockets of High Density Project Development
Onslow County
Dear Mr. Baker: ,
The Wilmington Regional Office received a request for modification to the Stormwater
Management Permit Application for Marsoc Headquarters at Camp Lejeune on February 19, 2008.
This modification adds the entire Marsoc complex and associated roads in Phase 2 to the already
permitted Headquarters Phase 1. Staff review of the plans and specifications has determined that the
project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000.
We are forwarding Permit No. SW8 070847 Modification dated February 20, 2008 for the construction
of the subject project.
This permit shall be effective from the date of issuance until February 20, 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. Development within CAMA's Area of Environmental Concern or in 401/404 wetlands may be
subject to a reduction in their allowable built-upon area due to regulations.
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 you have any questions, or need additional information concerning this matter, please contact
M.J. Naugle, or me at [phone].
Sincer
Ed r ck
Regional Supervisor
Surface Water Protection Section
ENB/mjn: S:\WQS\STORMWATER\PERMIT\070847Mod feb08
cc: Steve Thomas, P.E., McKim & Creed
Onslow County Building Inspections
Division of Coastal Management
DWQ 401 Division
Wilmington Regional Office
Central Files One
hCarolina
M.J. Naugle Mural!
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office Internet: www.ncwatergualit?org Fax [phone]
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
State Stormwater Management Systems
Permit No. SW8 070847 Modification
• J
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
OVERALL LOW DENSITY DEVELOPMENT WITH POCKETS OF HIGH DENSITY
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
United States Marine Corp, Camp Lejeune and Carl Baker, Deputy Public Works Officer
Marsoc Complex at Camp Lejeune with Headquarters
Rifle Range Road, Camp Lejeune, Onslow County
FOR THE
Construction, operation and maintenance of three (3) infiltration basins, to treat runoff from the
pocket of high density on Phase 1 for the Headquarters, in compliance with the provisions of
15A NCAC 2H .1000 (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 February 20, 2018, and shall be
subject to the following specified conditions and limitations:
1. 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. The overall tract built-upon area percentage for the project must be maintained at 25 %
impervious per the requirements of Section .1005 of the stormwater rules. The project is
permitted for a maximum of 6,597,778 square feet of BUA. This modification changes
the permit from a high-density permit only for Phase 1- Headquarters to an overall low
density permit with pockets of high density treated in Phase 1 - Headquarters and the
Phase 2 roads. Future Phases will be permitted as modifications including treatment for
each pocket of high density.
3. The stormwater systems propose to treat the runoff generated by the designated high
density areas have 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 541,104 square feet of impervious area in three
infiltration basins approved to date for the Headquarters Phase I.
4. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of this permit.
5. The runoff from all built-upon area within the permitted drainage area of the pocket of
high-density areas must be directed into the permitted stormwater control system.
Page 2 of 7
State Stormwater Management Systems
Permit No. SW8 070847 Modification
6. Development within CAMA's Area of Environmental Concern or in 401/404 wetlands may
be subject to a reduction in their allowable built-upon area due to regulations.
7. The following design criteria have been permitted for the infiltration basin and must be
provided and maintained at design c ondition:
Overall
Basin 1 Basin 2 Basin 3 Site
a. Drainage Area, acres: 11.42 5.66 15.48 614.98
Onsite, ft 2: 497,475 246,557 674,490 26,788,144
Offsite, ft2: 0 0 0 0
b. Total Impervious Surfaces, ft2: 160,989 90,360 289,755 6,597,778
Phase 1 headquarters = 541,104
c. Design Storm, inches: 3 3 3
d. Basin Depth, feet: 2.8 3.5 4
e. Bottom Elevation, FMSL: 29.7 27 26.5
f. Bottom Surface Area, ft2: 17,912 7,062 20,120
g. Bypass Weir Elevation, FMSL: 31.5 29.5 29.5
h. Permitted Storage Volume, ft3: 42,934 23,969 74,343
i. Type of Soil: Baymeade
j. Expected Infiltration Rate, in/hr: 1.4 1.4 1.4
k. Seasonal High Water, FMSL: 27.7 25 24.5
1. Time to Draw Down, hours: 22 30 35
m. Receiving Stream/River Basin: Stones Bay / White Oak
n. Stream Index Number: 19-30
o. Classification of Water Body: "SA;HQW" (within %2 mile)
II. 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.
3. The permittee shall at all times provide the operation and maintenance necessary to
assure the permitted stormwater system functions at optimum efficiency. The approved
Operation and Maintenance Plan must be followed in its entirety and maintenance must
occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and renegotiation of slopes and the vegetated filter.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of bypass structure, infiltration media, flow
spreader, catch basins, piping and vegetated filter.
g. A clear access path to the bypass structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DWQ. The records will indicate the date, activity, name of
person performing the work and what actions were taken.
5. The facilities shall be constructed as shown on the approved plans. This permit shall
become void unless the facilities are constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
6. 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 070847 Modification
7. 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 070847 Modification
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 twentieth day of February 2008.
NORT CAROLINA E VIRONMENTAL MANAGEMENT COMMISSION
A.()
for Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7
State Stormwater Management Systems
Permit No. SW8 070847 Modification
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
DWQ USE ONLY
Date Rec ived Fee Paid Permit Number
2 o ?o? q X22 `19 6w OrJ 0SLj -) nn_D
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
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):
United States Marine Corps, Camp Lejeune, 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 Lejeune)
3. Mailing Address for person listed in item 2 above:
1005 Michael Road
City: Camp Lejeune State: NC Zip: 28574
Phone: [phone] Fax: [phone]
Email:
4. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
MARSOC Complex
5. Location of Project (street address):
Rifle Ranee Road
City: Camp Lejeune County: Onslow
6. Directions to project (from nearest major intersection):
NC210 to Rifle Range Road (Stone Bay entrance to Camp Lejeune). Project is approximately 1/2 mile on right
7. Latitude: 34.5843 Longitude: 77.4475 of project
8. Contact person who can answer questions about the project:
Name: Steve Thomas, P.E. Telephone Number: 910-343-1048
Email: [e-mail]
II. PERMIT INFORMATION:
1. Specify whether project is (check one): 0 New ? Renewal ® Modification
Form SWU-101 Version 8.07 Page 1 of 4
2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing
permit number SW8 070847 and its issue date (if known) 1/23/08
3. Specify the type of project (check one): p kLL Loin 9ENS iT`f
Low Densit High Densit Redevelo General Permit to 0 PbC?I? d F_
Y ? Y ? p ? ? Universal SMP Other 1CaH DeoS'TLf
4. Additional Project Requirements (check applicable blanks):
? CAMA Major ® Sedimentation/Erosion Control ® 404/401 Permit ? NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748.
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 .
-?LcJt 9EN5 t-N (ara-1 -149aTF-)
The MARSOC complex is an overall Low-Density project. AThe project will utilize infiltration devices to treat all
proposed pockets of high-density or collection systems.
2. Stormwater runoff from this project drains to the White Oak River basin.
3. Total Site Area: 616.7 acres 4. Total Wetlands Area: 60.28 acres
5. 100' Wide Strip of Wetland Area: 58.57 acres (not applicable if no wetlands exist on site)
6. Total Project Area**: 614.98 acres 7. Project Built Upon Area: 25.0 %
8. How many drainage areas does the project have? 5
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.
Basin Information Overall Site Low Density BUA
Receiving Stream Name Stones Bay Stones Bay
Stream Class & Index No. SA;HQW (Index 19-30) SA;HQW (Index 19-30)
Drainage Area (sf) 26,788,144 j u ? °i 3,112,005
Existing Impervious * Area (sf) 99,258 (to remain) 50,963 (to remain)
Pro osed Impervious *Area (so 6,597,778 312,389
% Impervious * Area (total) 25.00% 11.68%
Impervious * Surface Area Overall Site Low Density BUA
On-site Buildings (sf) 108,903 144
On-site Streets (sf) 81,715 277,501
On-site Parkin (sf) 403,304 0
On-site Sidewalks (sf) 257,405 32,578
Other on-site (sf) 2,166 (other}-5,744,285 (future) 2,166
Off-site (sf) 0 0
Total (sf): 6,597,778 312,389
* 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.
Form SWU-101 Version 8.07 Page 2 of 4

Basin Information BMP 1 (Phase 1) BMP 2 (P11ase 1)
Receiving Stream Name Stones Bay (Index 19-30) Stones Bay (Index 19-30)
Stream Class & Index No. SA;HQW SA;HQW
Drainage Area (so 497,475 246,557
Existing Im ervious* Area (so 0 0
Proposed Im ervious* Area(sf) 160,989 90,360
% Im ervious* Area (total) 32.40% 36.60%
Im ervious* Surface Area BMP 1 BNIP 2
On-site Buildings (so 18,639 31,603
On-site Streets (so 45,921 7,889
On-site Parkin (sf) 83,835 43,737
On-site Sidewalks (so 12,594 7,131
Other on-site (sf) 0 0
Off-site (so 0 0
Total (so: 160,989 90,360

Basin Information BMP 3 (Phase 7) A;
Receiving Stream Name Stones Bay (Index 19-30) i^,
Stream Class & Index No. SA;HQW
Drainage Area (so 674,490
-
Existing Im ervious* Area (so 0
Proposed Im ervious* Area(sf) 289,755
% Im ervious* Area (total) 42.90%
Impervious* Stirface Area BMP 3
On-site Buildings (so 58,517
On-site Streets (so 71,993
On-site Parkin (sf) 129,833
On-site Sidewalks (sf) 29,412
Other on-site (sf) 0
Off-site (sf) 0
Total (so: 289,755 [ i -
*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.
Page 2a of 4
r 7:; d,_
10. How was the off-site impervious area listed above derived? N/A
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.
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 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.
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
Low Density Supplement
Curb Outlet System Supplement
Off-Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Form SW401-Bioretention Cell Bioretention Cell Supplement
Form SW401-Level Spreader Level Spreader/Filter Strip/Restored Riparian Buffer Supplement
Form SW401-Wetland Constructed Wetland Supplement
Form SW401-Grassed Swale Grassed Swale Supplement
Form SW401-Sand Filter Sand Filter Supplement
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
h.ttp://h2o.enr.state.nc.us/su/msi_maps.htm)
Form SWU-101 Version 8.07
Page 3 of 4 FH. 4.. 2008
1. 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
• Original and one copy of the Deed Restrictions & Protective Covenants Form
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP J1M
• Permit application processing fee of $505 ($4,000 for Express) payable to NCDENR
• Calculations & detailed narrative description of stormwater treatment/management
• Copy of any applicable soil report
• Three 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,
please complete this section.
Designated agent (individual or firm): Steve Thomas P.E. McKim & Creed PA
Mailing Address: 243 North Front Street
City: Wilmington State: NC Zip: 28401
Phone: [phone] Fax: [phone]
Email: [e-mail]
VIII. APPLICANT'S CERTIFICATION
I, (print or type name of person listed in General Information, 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 pla that the requ' d deed restrictions and protective covenants will be recorded, and that the
proposed project co/pl' s with the ire cents of 15A NCAC 2H .1000.
Signature:
Date: 42 :::Z3 - ?JI>
Form SWU-101 Version 8.07 Page 4 of 4

MA 'LY \NA TEq

NCDENR P -c
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information.
11. PROJECT INFORMATION J-4" Project name UARSOC Complex
Contact name Steve Thomas PE
Phone number 910-343-1048
Date February 19, 2008 _
Drainage area number Level Sprea,r 1
IL DESIGN {NFORNATION _ z J
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Duch
Drawdown flow from the BMP 73 cfs
For Level Spreaders Receiving Flow from the Drainage Area
Drainage area ftz
Impervious surface area ftz
Percent impervious
Rational C coefficient
Peak flow from the 1 in/hr storm _ cfs
Time of concentration min
Rainfall intensity, 10-yr storm in/hr
Peak flow from the 10-yr storm cfs
Do not complete this section of the worksheet
Do not complete this section of the worksheet
Do not complete this section of the worksheet
Do not complete this section of the worksheet
Do not comolet I this section of the worksheet
Do not complete this section of the worksheet
Where Does the Level Spreader Discharge ?
To a bioretention cell? N (Y or N)
To a wetland? Y (Y or N) Do not need to complete filter strip characterization beicw.
To a filter strip or riparian buffer? N 1Y or Nl
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass _ It
Width of dense ground cover ft
Width of wooded vegetation ft
Total width it
Slope (from level lip to to top of bank) `%
Are any draws present? Y or N)
Level Spreader Design
Forebay surface area 0 iq ft Forebay is undersized.
Feet of level lip needed per cfs __ft/cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? Al Y or N)
Length based on the 10-yr, 24-hr storm? N Y or N)
Length based on the BMP discharge rate? Y Y or N)
Design flow 73 ;fs ;#VALNE!
Is a bypass device provided? N Y or N) A bypass device must be provided.
Length of the level lip 95 ft #VAL E!
Are level spreaders in series? PI Y or N)?
f ?!
FEB
so-)3 OqDO 4q I`WC)I)
Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.3 F`'arid aFidH'i3esTgr?Sumn ary; page-l of 2
VJA,
WDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part ill) must be printed, filled out and submitted along with all of the required information.
I. PROJECT INFORMATION
Project name Rs? J complex
Contact name Steve Thomas, FE
Phone number 91C 34'-1046
Date February 19 2,006
Drainage area number Level'5preaa
II. DESIGN INFORMATION
-
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Ditch
Drawdown flow from the BMP 4 cfs
For Level Spreaders Receiving Flow from the Drainage Area Do no corvp e'e "Ns sect on of the worksheet.
Drainage area ft2
Impervious surface area ft2
Percent impervious Do not, cornple'e this section of the worksheet.
Rational C coefficient Do no complete this section of t e worksheet.
Peak flow from the 1 in/hr storm cfs Do not complete this section of to vvorksheet.
Time of concentration min
Rainfall intensity, 10-yr storm in/hr Do not con p'e'e this se^ tion of the worksheet.
Peak flow from the 10-yr storm cfs Do no c;oeioiete this section of the worksheet.
Where Does the Level Spreader Discharge?
To a bioretention cell? a (Y or N)
To a wetland? (Y or N) Do no need to ccrrplete fa'er strip characterization below.
To a filter strip or riparian buffer? tY or Nl
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass ft
Width of dense ground cover ft
Width of wooded vegetation ft
Total width ft
Slope (from level lip to to top of bank) %
Are any draws present? (Y or N)
Level Spreader Design
Forebay surface area 0 sq ft Forebay `:s undersized.
Feet of level lip needed per cfs ft/cfS
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? N (Y or N)
Length based on the 10-yr, 24-hr storm? N (Y or N)
Length based on the BMP discharge rate? Y (Y or N)
Design flow 4 cfs t-M'AL'E!
Is a bypass device provided? N (Y or N) A bypass device must be provided.
Length of the level lip 52 ft #'VALUO
Are level spreaders in series? N (Y or N)

200
FEB
Form SW401-Level Spreader, Filler Strip, Restored Riparian Buffer-Rev.3 Parts r. and II. Design Summary, page 1 of 2
. CY \NA7F:q
y
O 'C
NCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, tilled out and submitted along with all of the required information.
I. PROJECT INFORMATION
Project name %IARSCC Complex
Contact name Steve Thomas PE
Phone number 910-343-1648
Date February 19,20M
Drainage area number Level Spread_ 3
11J.''IDESIGN.INFORMATION
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Ditch
Drawdown flow from the BMP 4 6 afs
For Level Spreaders Receiving Flow from the Drainage Area Do not complete this section of the worksheet.
Drainage area 41
Impervious surface area 11
Percent impervious Do not complete this section of the worksheet.
Rational C coefficient Do not complete this section of the worksheet.
Peak flow from the 1 Whir storm cfs Do not complete this section of the worksheet.
Time of concentration min
Rainfall intensity,10-yr storm m/hr Do not complete this section of the worksheet.
Peak flow from the 10-yr storm cfs Do not complete this section of the worksheet.
Where Does the Level Spreader Discharge?
To a bioretention cell? N Y or N)
To a wetland? Y :Y or N) Do not need to complete filter strip characterization below.
To a filter strip or riparian buffer? N !Y or Nl
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass
Width of dense ground cover t
Width of wooded vegetation t
Total width 't
Slope (from level lip to to top of bank) '/o
Are any draws present? ;Y or N)
Level Spreader Design
Forebay surface area sq ft Forebay is undersized.
Feet of level lip needed per cfs ft/cfs
Answer "Y" to one of the following:
Length based on the 1 Whir storm? PJ 'Y or N)
Length based on the 10-yr, 24-hr storm? N ;Y or N)
Length based on the BMP discharge rate? f, ;Y or N)
Design flow 4.6 cfs #VALE!
Is a bypass device provided? PJ ;Y or N) A bypass device must be provided. _
LUEI
Length of the level lip 61 tW
Are level spreaders in series? tJ 'Y or N)
FEB
? 2008
Form SW401-Level Spreader, Fitter Strip, Restored Riparian Buffer-Rev.3 Parts I. and II. Design Summary, page 1 of 2
p \NA 74-NCDENR p T
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part lll) must be printed, filled out and submitted along with all of the required information.
f. PRQJECT INFORMATION
Project name M. RSOC Complex
Contact name Steve Thomas, PE
Phone number 910-343-1042
Date February 19, 200
Drainage area number Level Spre-ade 4
tL DESIGN (NFQRMATION _
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Ditch
Drawdown flow from the BMP 7.8 Js
For Level Spreaders Receiving Flow from the Drainage Area Do net complete this section of the worksheet.
Drainage area ft2
Impervious surface area t2
Percent impervious Do not complete this section of the worksheet.
Rational C coefficient Do not complete this section of the worksheet.
Peak flow from the 1 in/hr storm cfs Do not complete this section of the worksheet.
Time of concentration min
Rainfall intensity, 10-yr storm n/hr Do no' complete this section of the worksheet.
Peak flow from the 10-yr storm cfs Do not complete this section of the worksheet.
Where Does the Level Spreader Discharge?
To a bioretention cell? N Y or N)
To a wetland? Y Y or N) Do net need to complete filter strip characterization below.
To a filter strip or riparian buffer? N ; or N)
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass ft
Width of dense ground cover ft
Width of wooded vegetation ft
Total width ft
Slope (from level lip to to top of bank)
Are any draws present? (Y or N)
Level Spreader Design
Forebay surface area 0 iq ft Forebay is undersized.
Feet of level lip needed per cfs ft/cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? N Y or N)
Length based on the 10-yr, 24-hr storm? N 'Y or N)
Length based on the BMP discharge rate? Y Y or N)
Design flow 78 ,fs #VAL JE!
Is a bypass device provided? N Y or N) A bypass device must be provided.
Length of the level lip 102 ft #VALJJEI
Are level spreaders in series? N Y or N) _
i -
?. Aloe,
MUD
Form SW401-bevel Spreader, Filler Strip, Restored Riparian Buffer-Rev.3 Pmts J. and It. Design Summary, page 1 of 2
r5 !A% n
HCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information.
I" PROJECT INFORMATION
Project name r,+ PSOC Con,plez
Contact name Steve Thomas. PE
Phone number 91134-1-1046
Date February 14, 24106
Drainage area number Level r r ?1a(5
II. DESIGN INFORMATION
For Level Spreaders Receiving Flow From a BMP
Type of BMP F oadside Ditch
Drawdown flow from the BMP 5 7 cfs
For Level Spreaders Receiving Flow from the Drainage Area
Drainage area ft2
Impervious surface area _ ft2
Percent impervious _
Rational C coefficient
Peak flow from the 1 in/hr storm cfs
Time of concentration min
Rainfall intensity, 10-yr storm _ Whr
Peak flow from the 10-yr storm cfs
Do not cornolete this section of the worksheet.
Do not comolete "h :s section of t^e.vorksheet
Do no coma ete this section of the worksheet.
Do not comoiete this section of the worksheet.
Do riot comb ete this section of the worksheet.
Do not cornp.ete this section of .vorksheet.
Where Does the Level Spreader Discharge ?
To a bioretention cell? _ (Y or N)
To a wetland? Y (Y or N)
To a filter strip or riparian buffer? _ `J "Y or N)
Other (specify)
Do not need to comPiete filter strip chxacte^zzation be ow.
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass _ ft
Width of dense ground cover _ ft
Width of wooded vegetation ft
Total width ft
Slope (from level lip to to top of bank) _ %
Are any draws present? (Y or N)
Level Spreader Design
Forebay surface area 0 sq ft
Feet of level lip needed per cfs ft/cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? N (Y or N)
Length based on the 10-yr, 24-hr storm? h! (Y or N)
Length based on the BMP discharge rate? Y (Y or N)
Design flow 5 7 cfs
Is a bypass device provided? PJ ^ (Y or N)
Length of the level lip 4 It
Are level spreaders in series? J (Y or N)
Forebay is udersized.
#VAL. E!
A bypass device must be Provided.
#VALuE!

Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.3
Paris-Y._and=17--Design Summary, page 1 of 2
- #" Pll",
NCDENR
\14 AT?pgC
Q Y
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part ill) must be printed, filled out and submitted along with all of the required information.
PROJECT INFORMATION
Project name MARSOG' Complex
Contact name Steve Thomas, PE
Phone number 91t -343-1048
Date February 19, 2N8
Drainage area number Level Spread ?,
1.' DESIGN INFORMATION -- _ -- .;
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Dilch
Drawdown flow from the BMP 5.5 ;fs
For Level Spreaders Receiving Flow from the Drainage Area Do not complete this section of file worksheet.
Drainage area tz
Impervious surface area `tz
Percent impervious Do not complete this section of the worksheet.
Rational C coefficient Do not complete this section of the worksheet.
Peak flow from the 1 in/hr storm _ cfs Do not complete this section of the worksheet.
Time of concentration min
Rainfall intensity, 10-yr storm n/hr Do not compie*:e this section of the worksheet.
Peak flow from the 10-yr storm cfs Do not complete this section of the worksheet.
Where Does the Level Spreader Discharge ?
To a bioretention cell? N 'Y or N)
To a wetland? Y' 'Y or N) Do not need to complete filter strip characterization below.
To a filter strip or riparian buffer? 1 Y or N1
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass 't
Width of dense ground cover t
Width of wooded vegetation t
Total width 't
Slope (from level lip to to top of bank)
Are any draws present? Y or N)
Level Spreader Design
Forebay surface area 0 3q ft Forebay is undersized.
Feet of level lip needed per cfs _ ft/cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? tJ 'Y or N)
Length based on the 10-yr, 24-hr storm? N 'Y or N)
Length based on the BMP discharge rate? f' 'Y or N)
Design flow 5.5 JS #VALJE!
Is a bypass device provided? N !Y or N) A, bypass device must be provided.
Length of the level lip 71 it #VALGE- -- __-
Are level spreaders in series? N fY or N) ;
FEB 1
nluo
Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.3 Parts I. and II. Design Summary, page 1 of 2
• A 7-E
O
WDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, printed and submitted,
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information.
I. PROJECT INFORMATION ° -- - -
Project name 1T.05n?, Complex
Contact name &r-vp Thomas. PE
Phone number 910-343-1048
Date February 19. 2008
Drainage area number Levelopreade
(I. DESIGN INFORMATION
For Level Spreaders Receiving Flow From a BMP
Type of BMP Roadside Di di
Drawdown flow from the BMP 107 cfs
For Level Spreaders Receiving Flow from the Drainage Area Do nct corns) ete this sector of the worksheet.
Drainage area ftz
Impervious surface area ftz
Percent impervious Do not coinp ete this section of the worksheet.
Rational C coefficient Do no c mp ae th:s sect on of the worksheet.
Peak flow from the 1 in/hr storm cfs Do no como ete this section of the worksheet.
Time of concentration min
Rainfall intensity, 10-yr storm in/hr Do n; cOr mete this sect on of t^e worksheet.
Peak flow from the 10-yr storm cfs Do no coma ete this sector of ti ;e worksheet.
Where Does the Level Spreader Discharge?
To a bioretention cell? N(Y or N)
To a wetland? (Y or N) Do no need to complete filter strip characterization below.
To a filter strip or riparian buffer? d !v or N)
Other (specify) ---
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass It
Width of dense ground cover ft
Width of wooded vegetation ft
Total width _ ft
Slope (from level lip to to top of bank) %
Are any draws present? (Y or N)
Level Spreader Design
Forebay surface area "0 sq ft Forebay s undersized.
Feet of level lip needed per cfs ft/cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm? N (Y or N)
Length based on the 10-yr, 24-hr storm? IJ' (Y or N)
Length based on the BMP discharge rate? Y (Y or N)
Design flow 10 ; cfs #'VALi E!
Is a bypass device provided? N (Y or N) A bypass device must be prov cud.
Length of the level lip 140` ft Level spreader may not be More than. 130, feet h,.^y.
Are level spreaders in series? N (Y or N)
Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.3 Parts L and 11, Design Summary, page 1 of 2
Permit Number: SIB O D?3?q mcp
(to be provided by DWQ)
Drainage Area Number: tiv ?O ?? ej\3 5 L ry
Filter Strip, Restored Riparian Buffer and Level Spreader
Inspection and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BMP elements noted in the inspection will be
corrected, repaired or replaced immediately. These deficiencies can affect the integrity
of structures, safety of the public, and the removal efficiency of the BMP.
Important maintenance procedures:
- Immediately after the filter strip is established, any newly planted vegetation
will be watered twice weekly if needed until the plants become established
(commonly six weeks).
- Once a year, the filter strip will be reseeded to maintain a dense growth of
vegetation
- Stable groundcover will be maintained in the drainage area to reduce the
sediment load to the vegetation.
- Two to three times a year, grass filter strips will be mowed and the clippings
harvested to promote the growth of thick vegetation with optimum pollutant
removal efficiency. Turf grass should not be cut shorter than 3 to 5 inches and
may be allowed to grow as tall as 12 inches depending on aesthetic requirements
(NIPC, 1993). Forested filter strips do not require this type of maintenance.
- Once a year, the soil will be aerated if necessary.
- Once a year, soil pH will be tested and lime will be added if necessary.
After the filter strip is established, it will be inspected quarterly and within 24 hours
after every storm event greater than 1.0 inch (or 1.5 inches if in a Coastal County).
Records of inspection and maintenance will be kept in a known set location and will be
available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
BMP element: Potential problem: How I will remediate the problem:
The entire filter strip Trash/debris is present. Remove the trash/debris.
system
The flow splitter device The flow splitter device is Unclog the conveyance and dispose
(if applicable) clogged. of an sediment off-site.
The flow splitter device is Make any necessary repairs or
damaged. replace if damage is too large for
repair.

Form SWU401-Level Spreader, Filter Strip, Restored Riparian Buffer I&M-Rev.2 Page 1 of 3
BMP element: Potential problem: How I will remediate the problem:
The swale and the level The swale is clogged with Remove the sediment and dispose
lip sediment. of it off-site.
The level lip is cracked, Repair or replace lip.
settled, undercut, eroded or
otherwise damaged.
There is erosion around the Regrade the soil to create a berm
end of the level spreader that that is higher than the level lip, and
shows stormwater has then plant a ground cover and
bypassed it. water until it is established. Provide
lime and a one-time fertilizer
application.
Trees or shrubs have begun Remove them.
to grow on the swale or just
downslo e of the level lip.
The bypass channel Areas of bare soil and/or Regrade the soil if necessary to
erosive gullies have formed. remove the gully, and then
reestablish proper erosion control.
Turf reinforcement is Study the site to see if a larger
damaged or ripap is rolling bypass channel is needed (enlarge if
downhill. necessary). After this, reestablish
the erosion control material.
The filter strip Grass is too short or too long Maintain grass at a height of
(if applicable). approximately three to six inches.
Areas of bare soil and/or Regrade the soil if necessary to
erosive gullies have formed. remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer application.
Sediment is building up on Remove the sediment and
the filter strip. restabilize the soil with vegetation if
necessary. Provide lime and a one-
time fertilizer application.
Plants are desiccated. Provide additional irrigation and
fertilizer as needed.
Plants are dead, diseased or Determine the source of the
dying. problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a one-time
fertilizer application.
Nuisance vegetation is Remove vegetation by hand if
choking out desirable species. possible. If pesticide is used, do not
allow it to get into the receiving
water.
The receiving water Erosion or other signs of Contact the NC Division of Water
damage have occurred at the Quality local Regional Office, or the
outlet. 401 Oversight Unit at 919-733-1786.
LFEU,
Form SWU401-Level Spreader, Filter Strip, Restored Riparian Buffer I&M-Rev.2 Page 2 of 3
Permit Number: 5 0 0 09 D 8 ?9 m U?
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above. I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party.
Project name:MARSOC Complex - Headquarters
BMP drainage area number:1, 2 & 3
Print name:Mr. Carl Baker
Title:Deputy Public Works Officer
Address: 1005 Michael Road
Phone
S ignat
Date: oC --ll - 0,1V
Note: The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president.
a Notary Public for the State of
County of / /,?") , do hereby certify that
personally appeared before me this
day of and acknowledge the due execution of the
forgoing filter strip, riparian buffer, and/or level spreader maintenance requirements.
Witness my hand and official seal, /A 4
ALICE A dONNETTE
Notary Public
Onslow County
State of North Cdrollna
tlAy Commission Expires Oct 23, 2010
SEAL
My commission expires ? CI/ ?/D

Form SWU401-Level Spreader, Filter Strip, Restored Riparian Buffer I&M-Rev.2 Page 3 of 3