SW8950710_HISTORICAL FILE_19951019

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 C150-110
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
\(�°15 to M
YYYYMMDD

5�
)FScate of North Carolina
Department of Environment, A
•
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor p FH H N F1
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
October 19, 1995
Commander W. J. Beaty
United States Marine Corps
MCB, PSC 20004
Camp Lejeune, North Carolina 28542-0004
Subject: Permit No. SW8 950710
Oil Spill Prevention Facilities
High Density Stormwater Project
Onslow County
Dear Commander Beaty: .
The Wilmington Regional Office received the Stormwater Application for Oil Spill Prevention Facilities on July 24,
1995, with final information on October 4, 1995. 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 950710 dated October 19, 1995 to the United States Marine Corps.
This permit shall be effective from the date of issuance until October 19, 2005 and shall be subject to the conditions and
limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit.
Failure to establish an adequate system for operation and maintenance of the stormwater management system will result
in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an
ajudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be
in the form of a written petition, conforming to Chapter 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 Linda Lewis, or me at
[phone].
Sincerely,
Dave Adkins
Regional Water Quality Supervisor
DAlarl: S:\WQS\STORMWAT\PERMIT\950710.00T
cc: Gerald W. Angst, P.E., Agent
James Gurganus, Onslow County Inspections
Linda Lewis
'Wilmington Regional Office
Central Files
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer

State Stormwater Management Systems
Permit No. SW8 950710
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
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
United States Marine Corps
Oil Spill Prevention Facilities
Onslow County
FOR THE
construction, operation and maintenance of stormwater management systems 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 Environmental Management and considered a part of this permit.
This permit shall be effective from the date of issuance until October 19, 2005 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. This stormwater system will serve both projects 890201 and SW8
950710.
2. This stormwater system has been approved for the management of stormwater runoff as described on
page 3 of this permit, the Project Data Sheet.
3. Approved plans and specifications for this project are incorporated by reference and are enforceable
parts of the permit.
2

State Stormwater Management Systems
Permit No. SW8 950710
DIVISION OF ENVIRONMENTAL MANAGEMENT
Project Name:
Permit Number:
Location:
Applicant:
Mailing Address:
Application Date:
Water Body Receiving Stormwater Runoff:
Classification of Water Body:
If Class SA, chloride sampling results:
Pond Depth:
Permanent Pool Elevation:
Total Impervious Surfaces Allowed:
Offsite Area entering Pond:
Green Area entering Pond:
Required Surface Area:
Provided Surface Area:
Required Storage Volume:
Provided Storage Volume:
Temporary Storage Elevation:
Controlling Orifice:
PROJECT DATA
Oil Spill Prevention Facilities
950710
Onslow County
Commander W. J. Beary
United States Marine Corps
MCB, PSC 20004
Camp Lejeune, North Carolina 28542-0004
July 24, 1995
Cogdels Creek
"SC"
N/A
6.5 feet
6.5 MSL
576,299 square feet
4.93 acres from Project No. 890201
43,560 square feet
21,376 square feet
21,371 square feet
46,601 cubic feet
47,350 cubic feet
8.5 MSL
2.0" and 1-3/a" pipe
01

State Stormwater Management Systems
Permit No. SW8 950710
4. No homeowner/lot owner/developer shall be allowed to fill in; alter, or pipe any vegetative practices
(such as swales) shown on the approved plans as part of the stormwater management system without
submitting a revision to the permit and receiving approval from the Division.
5. The project's stormwater system capacity is limited to the runoff from 576,299 square feet of
impervious area.
6. The following items will require a modification to the permit:
a. Any revision to the approved plans, regardless of size. -
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area.
e. Further subdivision of the project area.
In addition, the Director may determine that other revisions to the project should require a modification
to the permit.
7. 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.
H. SCHEDULE OF COMPLIANCE
1. The permittee will comply with the following schedule for construction and maintenance of the
stormwater management system:
a. The stormwater management system shall be constructed in it's entirety, vegetated and
operational for it's intended use prior to the construction of any built -upon surfaces except roads.
b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will
be repaired immediately.
2. The facilities must be properly maintained and operated at all times. The approved Operation and
Maintenance Plan must be followed in it's entirety and maintenance must occur at the scheduled
intervals, including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and revegetation of side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping.
3. Records of maintenance activities must be kept and made available upon request to authorized personnel
of DEM. The records will indicate the date, activity, name of person performing the work and what
actions were taken.
0

State Stormwater Management Systems
Permit No. SW8 950710
4. This permit shall become voidable unless the facilities are constructed in accordance with the conditions
of this permit, the approved plans and specifications, and other supporting data.
5. 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. Mail the Certification to the
Wilmington Regional Office, 127 Cardinal Drive Extension, Wilmington, North Carolina, 28405,
attention Water Quality Section.
6. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a
minimum of five years from the date of the completion of construction.
III. GENERAL CONDITIONS
1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or
there is a name change of the Permittee, a formal permit request must be submitted to the Division of
Environmental Management accompanied by an application fee, documentation from the parties
involved, and other supporting materials as may be appropriate. The approval of this request will be
considered on its merits and may or may not,be approved.
2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to
enforcement action by the Division of Environmental Management, in accordance with North Carolina
General Statute 143-215.6(a) to 143-215.6(c).
3. The issuance of this permit does not preclude the Permittee from complying with any and all statutes,
rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and
federal) which have jurisdiction.
4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions,
the Permittee shall take immediate corrective action, including those as may be required by this
Division, such as the construction of additional or replacement stormwater management systems.
5. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for
a permit modification, revocation and reissuance or termination does not stay any permit condition.
Permit issued this the 19th day of October, 1995.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston Howard, Jr., P.E., Director
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit Number SW8 950710
E

State Stormwater Management Systems
Permit No. SW8 950710
Oil Spill Prevention Facilities
Stormwater Project No. 950710
Onslow County
Engineer's Certification
I,
North Carolina,
project,
, as a duly registered Professional Engineer in the State of
having been authorized to observe (periodically/weekly/full time) the construction of the
for (Project Owner) hereby state that, to the best of my abilities, due
care and diligence was used in the observation of the project construction such that the construction was
observed to be built within substantial compliance and intent of the approved plans and specifications.
Signature
Registration Number
Date
Z

DIVISION OF ENVIRONMENTAL MANAGEMENT
DENSITY ENGINEERED X
PROJECT DATA
Project Name OIL SPILL PREVENTION FACILITIES -CAMP LEJEUNE (890201 REV
Location (County, Township/Municipality, Address, State Road) ' ONSLOW COUNTY, CAMP LEJEUNE
LOUIS ROAD
Owner's Name UNITED STATES MARINE CORPS
MailingAddress MCB, PSC 20004
CAMP LEJEUNE, NC 28542-0004
Phone Number 910/451-1
Submittal Date
Brief Description (include map and appropriate drawings) ENLARGEMENT AND MODIFICATIONS TO THE
EXISTING STORMWATER DETENTION BASIN
Name of Water Body Receiving Stormwater Runoff COGDELS CREEK
Classification of Water Body SC NSW If SA waters, engineered system, and distance is <0.5
miles, attach report of chloride sampling results N/A mg/l
State/Federal Permits/Approvals Required (Check appropriate blanks)
CAMA Major
404 Permit
Other (Specify)
CALCULATION OF BUILT UPON AREA
Sedimentation/Erosion Control X
DEM/DHS Sewage Disposal X
Built upon area means that portion of a development that is covered by impervious or partially pervious cover
including buildings, pavement, recreation facilities, gravel, etc., but not including wood decking. If the project
includes areas draining to different water classifications, please note them separately below.
i
Classification
Built upon area
i
Total Project Area
% Built upon Area
Allowable B/U Area
Subwatershed
SC
20,20 AC
55%
3y % Aw—
Subwatershed
i
1 f1PCI-ZS- 95
Project B/U Area < the Allowable B/U Area? NO Of no, an engineered system is required.)
ilt upon area = (built upon area / tothl project area) * 100
upon area limits for projects to meet density: SA waters --- 25%, Other ---30% Officeridse odly
ATER COLLECTION SYSTEM
cribe how the runoff will be treated THE EXISTING STORMWATER DETENTION
IN WILL BE ENLARGED TO PROVIDE SUFFICIENT DETENTION FOR 1"
ZAINFALL OVER PROJECT DRAINAGE AREA. STORMWATER WILL BE DETAINED
%) � U Th LR
JUL 2 d 1995
D.EM
PROD # 5w8 950? l0

BUFFER AREA
Is the built upon area at least 30 feet from mean high water of all surface waters? YES If no, please
provide a description
(Note: Only boat ramps, public roads, public bridges, and walkways to water related facilities are allowed
within 30 feet of the mean high water line if the project is intended to meet stormwater control
requirements through density limits.)
DEED RESTRICTIONS AND PROTECTIVE COVENANTS
By my signature below, I certify that the recorded deed restrictions and protective covenants for this project
shall limit the allowable built -upon area per lot to N/A square feet inclusive of right-of-way,
structures, pavement, walkways or patios of brick, stone, or slate, not including wood decking, state that
the covenants will be binding on all parties and persons claiming under them, that they will run with the
land, and that benefits may be enforced by the State of North Carolina, therefore, the covenant cannot be
changed or deleted without consent of the State.
CERTIFICATION
I, L�EQA[ D ZJ AU6 ST certify that the information included on this
submittal form is correct, that the project will be constructed in conformance with this information, and
that to the best of my knowledge, the proposed project complies with the requirements of 15 NCAC
2H.1003 (b). I authorize the below named person or firm to submit stormwater plans on my behalf, and
agree to abide by the deed restriction statement above.
Owner's Signature Date
Provide authorized person or firm name and address below:
AUSTIN BROCKENBROUGH & ASSOCIATES
P.O. BOX 4800
CHESTER, vA 23831
1, DFgn1NH W, NUCKNEe ,a Notary Public for the State of VICGINIq
County of CHESTf.eFmLD do hereby certify that GFeALD W. AyGST personally
appeared before me this 20tiT44 day of Tummy , 19 q5 , and acknowledges the due execution
of theforegoinginstrument. Witness my hand and official seal,
--' �JJ2LLtUlA YV . "t'tLU.C,�,tlQ,l�
My commission expires It 30-gs
i WAS COMMISSIONED AS DEANNA W. EVERETTE.
DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN -OFF
Regional Office
19 OCT qs
Date
Evaluating Forms/Plans
cc:
Applicant/WiRO/Bradley Bennett/Central Files

POND MAINTENANCE REQUHUaWN'I'S
SL�8L%-';)71U
Project Name: OIL SPILL PREVENTION FACILITIES - Project No. 899 r
CAMP LEJEUNE
Responsible Party:
Phone No.
Address: MCB, PSC 20004 CAMP LEJEUNE, NC 28542-0004
I. Monthly, or after every runoff producing rainfall event, whichever comes fast:
A. Inspect the trash rack; remove accumulated debris, repair/replace if it is not functioning.
B. Inspect and clear the orifice of any obstructions. If a pump is used as the drawdown
mechanism, pump operation will be checked. A log of test runs of the pump will be kept
on site and made available to DEM personnel upon request.
C. Inspect the pond side slopes and grassed inlet swales; remove trash, and repair eroded
areas before the next rainfall event.
D. If the pond is operated with a vegetated filter, the filter will be checked for sediment
accumulation, trash accumulation, erosion and proper operation of the flow spreader
mechanism. Repairs/cleaning will be done as necessary.
H. Quarterly:
A. Inspect the collection system (ie. catch basins, piping, grassed swales) for proper
functioning. Accumulated trash will be cleared from basin grates, basin bottoms, and
piping will be checked for obstructions and cleared as required.
B. Pond inlet pipes will be checked for undercutting, riprap or other energy dissipation
structures will be replaced, and broken pipes will be repaired.
III. Semi-annually:
A. Accumulated sediment from the bottom of the outlet structure will be removed.
B. The pond depth will be checked at various points. If depth is reduced to 75 % of original
design depth or 3 feet whichever is greater, sediment will be removed to at least the
original design depth.
C. Grassed swales, including the vegetated filter if applicable, willbe reseeded, twice a year
as necessary.
I11n�� J U L 2 a 1"S U
D E M
riioJ #56o8 95o710

.1. -' -
POND MAINTENANCE REQUIREMENTS
PAGE 2
IV. General:
A. Mowing of the side slopes will be accomplished according to the season. Maximum grass
height will be 6".
B. Cattails are encouraged along the pond perimeter, however they will be removed when they
cover more than 1/2 the surface area of the pond.
C. The orifice/pump is designed to draw down the pond in 2-5 days. If drawdown is not
accomplished in that time, the system will be checked for clogging. The source of the
clogging will be found and eliminated.
D. All components of the detention pond system will be kept in good working order. Repair
or replacement components will meet the original design specifications as per the approved
stormwater plan.
V. Special Requirements:
I hereby acknowledge that I am the financially
responsible p y fo maintenance of this detention pond. I will perform the maintenance as outlined
above, as p the ifrcation of Compliance with Stormwater Regulations received for this project.
Signature: / Die: /r

AUSTIN BROCKENBROUGH AND ASSOCIATES OCT 0
CONSULTING ENGINEERS/SURVEYORS
P.O. BOX 4800 • 4800 W. HUNDRED RD. • CHESTER, VA. 23831
804n48-8746 FAX:804n48-7849
ALEXANDER H. SADLER, JR., P.E. ASSDCIATR
GERALD W. AUGS . P.E. CHARLES D. FARMER, P.E.
GERALD E. KILGORE BRUCE K. SADLER, P.G.
RUSINFSS DIRFC JS?
AUSTIN BROCKENBROUGH. JR., P.L.
September 28, 1995 189AI987
Ms. Linda Lewis
Environmental Engineer
DEHNR
DEM, Water Quality Section
127 Cardinal Drive Extension
Wilmington, NC.284053845
Re: Stormwater Project No. SINS 950710
Oil Spill Prevention Facilities, Onslow County
Dear Ms. Lewis:
We are transmitting the following information in response to your request of September 15:
2 copies of revised plan sheets C-2 and C-6
- 1 set of revised calculations
If there are any further requests, please contact me at [phone].
GHL:atc
cc: Debbie Bryant
9411 newis2.ghl
�Yours
V v -
Gary H. Leader, P.E.
0 1MIS11TER
RE C E o W E D
OCT 0 4 1"5
DEM
PROJ
t�

State -of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr. DIVISION OF ENVIRONMENTAL MANAGEMENT Jonathan B. Howes
Governor WATER QUALITY SECTION Secretary
September 15, 1995
Mr. Gary Leader, P:E.
Austin Brockenbrough and Associates
Post Office Box 4800
Chester, Virginia 23831
Subject: ADDITIONAL INFORMATION
Stormwater Project No. SW8 950710
Oil Spill Prevention Facilities
Onslow County
Dear Mr. Leader:
The Wilmington Regional Office received previously requested information for the Oil Spill
Prevention Facilities on August 25, 1995. A preliminary review of that information has determined that
the submittal for the subject project is not complete. The following information is needed to continue the
stormwater review:
1. You did not interpolate the required surface area percentage for 93.23 % , therefore, the
proposed surface area of 20,519 ft2 is 939 ft2 short of the 21,458 ft2 required.
2. The runoff coefficients you use are a little on the low side. The State prefers to err on the
conservative side. Generally, buildings are assigned Rational runoff coefficients of 1, asphalt
and concrete as 0.95, and grassed areas 0.2.
4*
127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 91M95-3900 • Fax [phone]
An Equal Opportunity Affirmative Action Employer

Mr. Leader
September 15, 1995
Stormwater Project No. SW8 950710
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received by this Office prior to October 15, 1995, or the submittal will
be returned as incomplete.
If you have any questions concerning this matter please feel free to call me at [phone].
Sincerely,
4117"7C4�'
Ms. Linda Lewis
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\ADDINFO\950710.SEP
cc: Linda Lewis
Central Files

W ,
D
AUSTIN BROCKENBROUGH AND ASSOCIATES]Zg@�EccET�gqUG 2 5 1g95
CONSULTING ENGINEERS/SURVEYORS
P.O. BOX 4800 • 4800 W. HUNDRED RD. • CHESTER, VA. 23831
804%748-8746 FAX: 804n48-7849 ------"
ALEXANDER B. SADLER, JR., P.E. ASSOCIATI:
GERALD W. AUSTT, P.E. CHARLES D. FARMER, P.E.
GERALD E. KILGORE BRUCE K. SADLER. P.E.
BUSINMS DIRECTOR
AUSTIN BROCKENBROUGH. JR., P.E.
August 22, 1995 IN99-1987
Ms. Linda Lewis
Environmental Engineer
DEHNR
DEM, Water Quality Section
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Re: Stormwater Project No. SW8.950710
Oil Spill Prevention Facilities, Onslow County
Dear Ms. Lewis:
I� AUG 2 5 1995 I�
DEIVI
R-RoJ # sw g q 550710
With regard to your letter of August 4 we offer the following responses:
1. We have transmitted the Operation and Maintenance Plan form to Camp Lejeune for
completion and notarization. They will forward the completed form.
2. We are submitting revised calculations and a drainage area map for clarification.
3. We are submitting copies of revised sheet C-6 showing the requested items. The contours
shown below the permanent pond elevation are interpolations to the best of our ability.
Any discrepancies between contours derived from our topographic survey and the
previously approved plan are due to the original construction and beyond our control. Our
calculations are based on the existing contours not the previously approved plan contours.
4. We are submitting copies of sheet T-1 with the vicinity map revised to show the location
of the Electronics Communications Maintenance Facility and the stormwater management
pond.
5. Revised calculations and sheet C-1 should address concerns. The outlet structure seems
to have been built in conformance with the plans that were made available to us.
Construction of the pond itself is beyond our control.
6. Revised calculations should address the questions.

7. See revised sheets C-6 and C-7 for pond side slopes and outlet structure modifications.
If there are any questions, please contact us.
�Yours t�rugly,
U A ZJS--Z__
Gary H. Leader, P.E.
GHL:atc
94117Vewis.ghl
oc: Debbie Bryant

i
REVISED CALCULATIONS
FINAL SUBMITTAL
A&E CONTRACT N62470-92-C-7457
CONSTRUCTION CONTRACT N62470-94-B-4035
OIL SPILL PREVENTION FACILITIES (P-845)
MARINE CORPS BASE
CAMP LEJEUNE, NORTH CAROLINA
FOR
ATLANTIC DIVISION
NAVAL FACILITIES ENGINEERING COMMAND
NORFOLK, VIRGINIA
AUGUST 22, 1995
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STORNINATER
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AUG 2 ` 1995 U
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AUSTIN BROCKENBROUGH AND ASSOCIATES
CONSULTING ENGINEERS
P. O. BOX 4800
CHESTER, VIRGINIA 23831
AB&A JOB NO. 94-117

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INV.
23.6
I
N N 2.00
' 29.00
I'D
A G
Z'HOOKEE
AM
PERMANENT PaJD E
1-3/4' tl)PVC, PIPE
STORM STORAGE DRAIN
PONO BOTTOM EL.(00)±
CHAMFER
ON

IMMMMMMMMMMMMMMMMMMMMMMMMMMMMMS OUTLET STRUCTURES FMMMMMMMMMMMMMMMMMMMMMMMMMMMM;
Reservoir: 1
CULVERT STRUC A. Q=CoA[2gh/k]-.5 CULVERT STRUC B. Q=CoA[2gh/k]-.5
: 1.
WIDTH (in)
= 18.
: 2.
HEIGHT (in)
= 18.
: 3.
No. BARRELS
= 2..
: 4.
INVERT ELEV.
= 6.25.....
: S.
Co = 0.60
: 6.
CULVERT LENGTH
(ft) = 55..
: 7.
CULVERT SLOPE
(%) _ .1..
: 8.
MANNING'S N-VALUE
_ .013
WEIR STRUCTURE A. Q=CwLH-EXP
9. WIDTH (in) = 0..
10_ HEIGHT (in) = 0..
11. No. BARRELS = O_.
12. INVERT ELEV. = 0._......
13. Co = 0.60
14. CULVERT LENGTH (ft) = 0...
15. CULVERT SLOPE (%) = 0...
16. MANNING'S N-VALUE = .013
17. MULTI -STAGE OPTION ? (Y/N) N
WEIR STRUCTURE B. Q=CwLH-EXP
: 18.
CREST LENGTH (ft)
=,12.....
23.
CREST LENGTH (ft)
= 14.....
: 19.
CREST ELEVATION
= 8.25...
24.
CREST ELEVATION
= 10.....
: 20.
Cw = 3.00
25.
CW = 3.00
: 21.
EXP = 1.50
26.
EXP = 1.50
: 22.
MULTI -STAGE OPTION
? (Y/N) Y
27.
MULTI -STAGE OPTION
? (Y/N) N
HMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM!
Change item number: 0 DY to cont

HYLlROLOG = C
CAMP LEJEUNE..........
DETENTION BASIN.......
10 YEAR STORM (AFTER).
Hyd. No. 1
Hydrograph type = RATIONAL
Storm frequency = 10 yr
Time of conc. = 15 min
Runoff coeff. = .65
HYDROGRAPH DISCHARGE TABLE
R E P O R T
Peak discharge
Time interval
Intensity
Basin area
66.67 cfs
= 1 min
5.08 in/hr
= 20.2 ac
TIME --OUTFLOW
TIME --OUTFLOW
TIME --OUTFLOW
TIME --OUTFLOW
( min
cfs )
( min
cfs )
( min
cfs )
( min
cfs )
1.00
4.44
2.00
8.89
3.00
13.33
4.00
17.78
5.00
22.22
6.00
26.67
7.00
31.11
8.00
35.56
9.00
40.00
10.00
44.45
11.00
48.89
12.00
53.33
13.00
57.78
14.00
62.22
15.00
66.67
16.00
62.22
17.00
57.78
18.00
53.33
19.00
48.89
20.00
44.45
21.00
40.00
22.00
35.56
23.00
31.11
24.00
26.67
2S.00
22.22
26.00
17.78
27.00
13.33
28.00
8.89
29.00
4.44
30.00
0.00
31.00
0.00
32.00
0.00

F-1YOROLOG=C REPORT
S TAG E e S T O R A G E / E>= S C H A R G E
RESERVOIR NUMBER = 1
RESERVOIR NAME = LEJEUNE..... (* Controlled by Culv Structure A)
STORAGE VALUES WERE INPUT MANUALLY
DISCHARGE
VALUES: CULVERT STRUCT
A. Q =
.6 *A*[2gh/kj-.5 * 2
CULVERT STRUCT
B. Q =
.6 *A*[29h/kl-.5 * O
* WEIR STRUCT A.
Q =
3 * 12 * H
1.5
WEIR STRUCT B.
Q =
3 * 14 * H
1.5
ELEVATION
DISCHARGE
(cfs)
------------------------------------------------------------
CULVERT A CULVERT
B
WEIR A
WEIR B
6.25
0.00
0.00
0.00
0.00
7.25
3.43
0.00
0.00
0.00
8.25
19.02
0.00
0.00
0.00
9.00
24.06
0.00
23.38
0.00
9.50
26.90
0.00
50.31
0.00
10.00
29.47
0.00
83.34
0.00
10.50
31.83
0.00
121.50
14.85
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00.
0.00
0.00
STAGE
ELEVATION
INC STOR
TOT STOR
OUTFLOW
------------------------------------------------------------
cu ft
cu ft
cfs
0.00
6.25
0
0
0.00
1.00
7.25
0
0
0.00
2.00
8.25
0
0
0.00
3.00
9.00
15271
15271
23.38
4.00
9.50
31166
46437
26.90
5.00
10.00
32423
78860
29.47
6.00
10.50
33698
112558
46.68
0.00
0.00
0
0
0.00
0.00
0.00
0
0
0.00
0.00
0.00
0
0
0.00
0.00
0.00
0
0
0.00

HYE>FR;OLOGIC REPORT
ROUTING THE 10 YEAR...
STORM THROUGH THE.....
SWM BASIN .............
Hyd. No. 2
Hydrograph type = RESERVOIR ROUTE Peak discharge = 26.87 cfs
Storm frequency = 10 yr Time interval = 1 min
Inflow hyd. no. = 1 Reservoir no. = 1
HYDROGRAPH DISCHARGE TABLE
TIME
INFLOW (i)
INFLOW (j)
2S/dt-0 (i)
2S/dt+0 (j)
OUTFLOW
min
cfs
cfs
cfs
cfs
cfs
1.00
4.44
8.89
4.25
4.44
0.10
2.00
8.89
13.33
16.81
17.58
0.38
3.00
13.33
17.78
37.33
39.04
0.85
4.00
17.78
22.22
64.88
68.44
1.78
5.00
22.22
26.67
98.45
104.88
3.21
6.00
26.67
31.11
136.64
147.34
5.35
7.00
31.11
35.56
178.37
194.42
8.03
8.00
35.56
40.00
222.53
245.03
11.25
9.00
40.00
44.45
268.13
298.09
14.98
10.00
44.45
48.89
314.32
352.58
19.13
11.00
48.89
53.33
361.83
407.66
22.91
12.00
53.33
57.78
414.59
464.05
24.73
13.00
57.78
62.22
478.51
525.70
23.60
14.00
62.22
66.67
550.14
598.51
24.18
15.00
66.67
62.22
629.26
679.04
24.89
16.00
62.22
57.78
707.50
758.15
25.33
17.00
57.78
53.33
776.10
827.50
25.70
18.00
53.33
48.89
835.17
887.21
26.02
19.00
48.89
44.45
884.82
937.39
26.29
20.00
44.45
40.00
925.15
978.15
26.50
21.00
40.00
35.56
956.27
1009.60
26.67
22.00
35.56
31.11
978.26
1031.82
26.78
23.00
31.11
26.67
991.23
1044.93
26.85
24.00
26.67
22.22
995.27
1049.01
26.87
25.00
22.22
17.78
990.47
1044.16
26.85

HYDROGRAPH DISCHARGE TABLE Cont'd
TIME
INFLOW (i)
INFLOW (j)
2S/dt-O (i)
25/dt+0 (j)
OUTFLOW
min
cfs
cfs
cfs
cfs
cfs
26.00
17.78
13.33
976.92
1030.47
26.77
27.00
13.33
8.89
954.72
1008.03
26.66
28.00
8.89
4.44
923.95
976.94
26.50
29.00
4.44
0.00
884.71
937.28
26.29
30.00
0.00
0.00
837.09
889.15
26.03
31.00
0.00
0.00
785.58
837.09
25.75
32.00
0.00
0.00
734.63
785.58
25.47
33.00
0.00
0.00
684.24
734.63
25.20
34.00
0.00
0.00
634.40
684.24
24.92
35.00
0.00
0.00
585.17
634.40
24.62
36.00
0.00
0.00
537.12
585.17
24.02
37.00
0.00
0.00
490.24
537.12
23.44
38.00
0.00
0.00
440.80
490.24
24.72
39.00
0.00
0.00
391.86
440.80
24.47
40.00
0.00
0.00
347.95
391.86
21.96
41.00
0.00
0.00
310.42
347.95
18.76
42.00
0.00
0.00
278.67
310.42
15.88
43.00
0.00
0.00
251.55
278.67
13.56
44.00
0.00
0.00
228.17
251.55
11.69
45.00
0.00
0.00
207.91
228.17
10.13
46.00
0.00
0.00
190.26
207.91
8.82
47.00
0.00
0.00
174.70
190.26
7.78
48.00
0.00
0.00
160.97
174.70
6.86
49.00
0.00
0.00
148.86
160.97
6.05
50.00
0.00
0.00
138.01
148.86
5.42
51.00
0.00
0.00
128.25
138.01
4.88
52.00
0.00
0.00
119.48
128.25
4.39
53.00
0.00
0.00
111.59
119.48
3.95
54.00
0.00
0.00
104.49
111.59
3.55
55.00
0.00
0.00
98.09
104.49
3.20
56.00
0.00
0.00
92.19
98.09
2.95
57.00
0.00
0.00
86.76
92.19
2.72
58.00
0.00
0.00
81.76
86.76
2.50
59.00
0.00
0.00
77.15
81.76
2.31
60.00
0.00
0.00
72.90
77.15
2.12
61.00
0.00
0.00
68.98
72.90
1.96
62.00
0.00
0.00
65.37
68.98
1.80
63.00
0.00
0.00
62.05
65.37
1.66
64.00
0.00
0.00
58.99
62.05
1.53
65.00
0.00
0.00
56.16
58.99
1.41
66.00
0.00
0.00
53.56
56.16
1.30
67.00
0.00
0.00
51.17
53.56
1.20

HYDROGRAPH DISCHARGE TABLE Cont'd
TIME
INFLOW (i) INFLOW (j)
2S/dt-0 (i)
2S/dt+O (j)
OUTFLOW
min
cfs
cfs
cfs
cfs
cfs
68.00
0.00
0.00
48.93
51.17
1.12
69.00
0.00
0.00
46.79
48.93
1.07
70.00
0.00
0.00
44.74
46.79
1.02
Maximum
outflow (cfs)
= 26.87
Maximum
storage (cu ft)
= 30664
Maximum
elevation (ft)
= 9.49

STORM SEWER DESIGN
COMPUTATIONS
PROJECT NAME CAMP LEJEUNE OIL SPILL PREVENTION FAC.
PROJECT NO
by GHL
94-117
date 6/3/95 SHEET 1 OF 1
F:\ACADFILE\STANDARD\ST-00M

State of North Carolina
Department of Environment, Health, and Natural Resources
Wilmington Regional Office
James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson
Jonathan B. Howes, Secretary WATER QUALITY SECTION Regional Manager
August 4, 1995
Mr. Gary Leader, P.E.
Austin Brockenbrough and Associates
Post Office Box 4800
Chester, Virginia 23831
Subject: ADDITIONAL INFORMATION
Stormwater Project No. SW8 950710
Oil Spill Prevention Facilities
Onslow County
Dear Mr. Leader:
The Wilmington Regional Office received a Stormwater Submittal for the Oil Spill Prevention
Facilities on July 24, 1995. A preliminary review of that information has determined that the submittal
for the subject project is not complete. The following information is needed to continue the stormwater
review:
1. Please have whoever signed the Operation and Maintenance plan to also print their name
in the blank provided. I cannot read the signature. Also, the document must be notarized.
Since a document has been presented which grants your firm the authority to act as agent
for the Navy, you may sign the form yourself.
2. Please break down your calculations into the amount previously approved, the new
impervious associated with the project, and the existing impervious that is now picked up
by the pond. I can't tell from the plans exactly what is being proposed. If I read them
correctly, it appears that an area =665' x 565' will drain to the pond in addition to the
previously permitted amount of 214,751 ft2. This is a total significantly larger than the
11.11 acres you propose. Please clarify.
3. The complete pond contours must be shown on the plan, not just the new portion. This
Office must have a plan that shows the complete new pond, not just parts of it. Please
delineate and label the permanent pool and storage pool contours. You provided a copy
of a portion of the plan sheet with the previously approved pond in your submittal,
however, the contours for the existing pond as shown on your plan do not correlate with
the previously approved plan. Please clarify.
127 Canlinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone [phone] • Fax [phone]
An Equal opportunity Affirmative Action Employer

Mr. Leader
August 4, 1995
Stormwater Project No. SW8 950710
4. Please show a vicinity map that clearly shows the location of the 890201 project
(Electronics Communications Maintenance Facility), and the pond in relation to the
proposed Oil Spill Prevention Facilities.
5. The calculations indicate that the required surface area is based on a 6.5' deep pond, but
the detail shows only a 4.5' deep addition. In order to use 6.5' to calculate required surface
area, the entire pond must be 6.5' deep below the permanent pool elevation (ie., a bottom
depth of-0.25'). It appears from the copies of portions of the previously approved plans
that revisions to the pond and outlet were made without prior approval.
6. The permanent pool surface area required, volume calculation and runoff depth of 2' do
not have a specific elevation associated with them. Please note in your calculations the
elevations for which these numbers were calculated.
7. Please provide a detail sheet with a pond cross-section (side slopes noted) and the new
outlet structure detail.
Please note that this request for additional information is in response to a preliminary review. The
requested information should be received by this Office prior to September 4, 1995, or the submittal will
be returned as incomplete.
If you have any questions concerning this matter please feel free to call me at [phone].
Sppncerely,
Ms. Linda Lewis
Environmental Engineer
DA/arl: S:\WQS\STORMWAT\ADDINFO\950710.AUG
cc: Linda Lewis
Central Files
2

AUSTIN BROCKENBROUGH AND ASSOCIATES
CONSULTING ENGINEERS/SURVEYORS
P.O. BOX 4800 • 4800 W. HUNDRED RD. • CHESTER, VA. 23831
804/748-8746 FAX: [phone]
ALEXANDER B. SADLER. JR., P.E.
GERALD W. AUGST. PE
GERALD E. KILGORE
BUSINESS DIRECTOR
July 21, 1995
NCDEHNR
Division of Environmental Management
Water Quality Section
127 Cardinal Drive Extension
Wilmington, North Carolina 28405-3845
Re: , Oil Spill Prevention Facilities - Camp Lejeune
Storm Water Management
Gentlemen:
jllfJfjf JUL ? 4 1995 'J
CHARLES D. FARMER, P.E.
BRUCG K. SADLER. P.G.
AUSTIN BROCKENBROUGH. JR.. P.C.
18W-1Y87
We are hereby submitting the following for review:
1. Stormwater Management Application - signed with Authorization Letter.
2. Construction plans - signed and sealed.
3. Stormwater Calculations - signed and sealed.
If there are any questions, or you require additional information, please contact us.
cc: Debbie Bryant
GHL:sng
941 17\ncdehnr.ghl
Sincerely
Gary H. Leader, P.E.
T "AT .
ECE0INkD
JUL 2 4 1995
UEM
PXOJ 0 5w$ 950-7 10

DEPARTMENT OF THE NAVY
ATLANTIC DIVISION
NAVAL FACILITIES ENGINEERING COMMAND
1510 GILBERT ST
NORFOLK VA 23511-2699
Austin Brockenbrough and Associates
Attn: Mr. Jerry August
4800 W. Hundred Road
Chester, Virginia 23831
TELEPHONE NO:
[phone]
IN REPLY REFER TO:
N62470-94-B-4035
0314A
A 9 JUL 1995
Re: F1I-95 MCON Project P-845, Oil Spill Prevention Facilities, Marine Corps Base (MCB)
Camp Lejeune, North Carolina; Construction Contract N62470-94-B-4035
Gentlemen:
Confirming our discussion on July 17, 1995, your firm is authorized to act as our agent to sign the
forms for the North Carolina Stormwater Management approval. Please expedite the submittal
and provide copies of all related correspondence to my attention.
Sincerely,
D. L. BRYANT, P. E.
Project ManagerlCONUS Branch
Programs and Project Management Division
By direction of the Commander
�1 7
ID��c��uu�I�1
I� JUL 2 4 1995 I�
D.EM
r�oJ � �(,uB 9'So'1l0
Quality Performance . .
Quality Results

t Nc
np1(\ E C
FINANCIAL RESPONSIBILITY OWNERSHIP FORM JUL
IIiN "� 1995 SEDIMENTATION POLLUTION CONTROL ACT
EoVk0
1 2 1995
�n
eROJ
,:No�pereon may initiate a land -disturbing activity on one or more acres as covered
;by the 'Act before this form and an acceptable erosion and sedimentation control plan
have been completed and approved by the Land quality Section, N.C. Department of
Environment, Health, and Natural Resources. (Please type or print and, if question is
not applicable, place N/A in the blank).
Part A.
1. Project Name OIL SPILL PREVENTION FACILITIES- CAMP LEJEUNE
2• Location of land -disturbing activity: County ONSLOW
City or Township CAMP LEJEUNE , and Highway Street LOUIS ROAD
3• Approximate date land -disturbing activity will be commenced: SEPT. 1995
4• Purpose of development (residential, commercial, industrial, etc.): KILT_ T_ ARY _
S. Total acreage disturbed or uncovered (including off -site borrow and waste areas):
3 6 AC
6. Amount of fee enclosed $ 90.00
7• Has an erosion and sedimentation control plan been filed? Yes Enclosed X No
8. Person to contact should sediment control issues, arise during land -disturbing
activity.
Name CDR W. J. BEARY Telephone [phone]
9• Landowner(s) of Record (Use blank page to list additional owners):
UNITED STATES MARINE CORPS
Names)
MCB, PSC 20004
Current Hailing Address
Current Street Address
CAMP LEJEUNE, NC 28542-0004
City State
ZiP City State Zip
10. Recorded in Deed Book No. N/A
Page No. N/A
Part B.
1• Person(s) or firm(s) who are financially responsible for this land -disturbing
activity (Use a blank page to list additional persons or firms):
ATTN: CAPT. G.I. BLANTON CEC USN NAV�TFACDLITIE2NENGINEERING CO`ALAN'L
Na-me-of Peraon(e) or Firms)
1510 GILBERT STREET
Mailing Address
NORFOLK, VA 23511-6287
City State
Zip
[phone]
Telephone
(SAME)
Street Address
city State Zip
Te ep one