SW8881011_HISTORICAL FILE_19890110

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 Bs to n
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
© HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
1 q8g 0110
YYYYMMDD

V�
•.fin i.�^d"
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State of North Carolina
Department of Natural Resources and Community Development
Wilmington Regional Office
James G. 1Vlartin, Governor
William W Cobey, Jr., Secretary
DIVISION OF ENVIRONMENTAL MANAGEMENT
Mr. Harry Mitchell
Bass, Nixon, and Kennedy
7416 Chapel Hill Road
D�lcinh Mnri-h rrnlina
5
R
Dear Mr. Mitchell:
January 10, 1989
(1
Inc.
27607 U V
B06 Jamieson
Regional 1'vlanager
�i
Subject: Determination of Compliance
with Stormwater Regulations
Project # 881011
P-873 Remote Piloted Vehicle
Maintenance Shop
Onslow County
The Wilmington Regional Office received the Stormwater Management
submittal for the project on October 26, 1988. Based on our review
of the project documents, we have determined that the project
complies with the Stormwater Regulations set forth in Title 15 NCAC
2H.1003(g)(2).
If you have any questions concerning this matter, please contact
Mark Hawes or me at [phone].
APH:MH•
CC: Bill Mills
[WiRO; CF
Sincerely,
Original Signed By
A. PRESTON HOWARD, iR
A. Preston Howard, Jr., P.E.
Regional Supervisor
7225 Wrikhtsvillc Avenue, Wilmington, N.O. 2S403-3696 • Telephone [phone]
An Equal Opportunity Aifinmtive Action Employer

DIVISION OF ENVIRONMENTAL MANAGEMENT
Evaluation of Stormwater Treatment and Disposal System
Draining to Waters Other Than Class SA
PROJECT DATA
Project Name: P-873 Remote Piloted Vehicle Project No. 881011
Maintenance Shop .
Location (County, Township/Municipality, Address):
Camp LeJune, Onslow County
Applicant Name: W. Harry Mitchell - Bass, Nixon & Kennedy Inc.
Mailing Address: 7416 Chapel Hill Road
Raleigh, NC 27607
Submittal Date: October 24, 1988
Water Body Receiving Stormwater Runoff: New River
Name of Water Body: UT to New River
Classification of Water Body: SC
WET DETENTION POND
1. Yes �o)
The design storage is for the runoff from all
impervious surfaces resulting from 1-inch of
rainfall and is located above the permanent pool.
2. Yes No
The permanent pool is designed for 85% TSS
removal.
3. (Yo No
The runoff completely draws down to the permanent
pool in 5 days, but not less than 2 days.
4. Yes No
The mean depth of the permanent pool is a minimum
of 3 feet.
5. No
The inlet structure is designed to minimize
;Yes
turbulence and short circuiting.
6. Yes No
All overflow and discharge flows through a
vegetative filter at least 10 feet in length.
7. Yes No
A method is used to provide even distribution of
runoff over the length of the vegetative filter.
8. Yes No
The slope and width of the vegetative filter
provides non -erosive flow for the 10-year 24-hr
storm with a 10-yr, 1-hr intensity.

9. (Yes) No The vegetative filter has a slope of 5% or less.
'10.(es No The vegetative filter is natural, grassed or
artificially planted wetland vegetation.
11.rYe D No An appropriate operation and maintenance plan has
been provided for the system.
12. Yes No THIS PROJECT MEETS THE STORMWATER CONTROL
REQUIREMENTS OF 15 NCAC 2H. (g), (i), (j), (k),
and (1) (For yes, 1 through 11 must all be circled
yes).
Brief Explanation:
The drainage area is divided up into 2 basins. The front basin is
approximately 5400 sq. ft. and drains through a large swale with
timber check dams. These dams have sufficient storage for the 1
inch rain event. The rear basin drains to a swale which leads to a
wet detention pond.
DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN -OFF
Wilmington Regional Office
io16",/m
Date
cc: Applicant/WiRO/Mills/CF

Engineer's Certification
I, h4WAI , as a duly registered
Professional Engineer in the State of North Carolina, having been
authorized to observe (periodically/weekly/full time) the
construction of the project,
57VAM WATEZ rYrrE;*'. /f OWX fezoew 44"C %r 544609
(Project)
for the A%C46, Ale'. hereby state that, to
(Project Owner)
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 zct- i/
Registration Number /y/L p
Date 30 AV If F1

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TO
BASS, NIXON & KENNEDY, INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, NORTH CAROLINA 27607
919 - 851.4422
0IJ,hIOIJ oG E�IJ,(zv 11 tnht �%161JiriJ(�
Wh '-4?=
GENTLEMEN:
LrETIREIB off IrRhM UUAL
1\
V
WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via • % � the following items:
❑ Shop drawings
❑ Copy of letter
❑ Prints ❑ Plans ❑ Samples ❑ Specifications
❑ Change order ❑
COPIES
DATE
NO.
DESCRIPTION
G Lam— Lc�1Lh I,
THESE ARE TRANSMITTED as checked below:
❑ For approval
❑ For your use
❑ As requested
❑ Approved as submitted
❑ Approved as noted
❑ Returned for corrections
For review and comment ❑
❑ FOR BIDS DUE
❑ Resubmit copies for approval
❑ Submitcopies for distribution
❑ Return corrected prints
9 ❑ PRINTS RETURNED AFTER LOAN TO US
COPY TO
SIGNED:
I/ mcbmro n. not as nob0, Findly notify us. ./ onc�

0
BASS, NIXON & KENNEDY, INC., CONSULTING ENGINEERS
919 851-4422 7416 CHAPEL HILL ROAD, RALEIGH, N. C. 27607
REMOTE PILOTED VEHICLE MAINTENANCE SHOP
OPERATIONS AND MAINTENANCE STATEMENT
THE STORMWATER CONTROL BASIN WILL BE MAINTAINED BY MARINE CORPS
PERSONNEL FROM CAMP LEJEUNE. THE RISER AND DAM WILL BE INSPECTED AFTER
EACH MAJOR STORM EVENT. ANY TRAPPED DEBRIS WILL BE REMOVED AND ANY
ERODED SLOPES REPAIRED. THE GRASS -LINED SWALES WILL BE PERIODICALLY
INSPECTED, FERTILIZED AND RESEEDED AS NEEDED TO MAINTAIN "LAWN QUALITY"
TURF. ACCUMULATED SEDIMENT WILL BE REMOVED FROM THE DETENTION BASIN
WHEN THE SEDIMENT LEVEL REACHES ELEVATION 27.5 FT. (1 FT. ABOVE INVERT
OF 4" GATE VALVE). A RED BAND WILL BE PAINTED ON THE RISER TO IDENTIFY
THIS CLEANOUT LEVEL. SEDIMENT WILL BE REMOVED FROM BEHIND THE TIMBER
CHECK -DAMS WHEN IT REACHES WITHIN 3 INCHES OF THE TOP.
. R E c E � v E D
JAN 9 1989
PROD

BASS, NIXON & KENNEDY, INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH. NORTH CAROLINA 27607
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CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, NORTH CAROLINA 27607
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RALEIGH, NORTH CAROLINA 27607
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CCN91JLTING ENGINEERSDY, INC.
7416 CHAPEL HILL ROAD
RALEIGH, N.C. 27606
JOB NAME : RPVMS
JOB NUMBER : 88011
DATE : 12/22/88
OPERATOR : WHM
ELEVATION AREA ' STORAGE STAGE
_______________________________________________________
24.5 16000 0 0
25.5 23322 19661 1
26.5 42602 52623 2
KS : 19660.998046875 B : 1.42036

BASS,NIXON AND KENNEDY,INC. -
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, N.C. 27607
JOB NAME RPVMS
JOB NUMBER 88011
DATE 12/22/88
OPERATOR : WHM
DRAINAGE AREA : 4.9 PC CN : 70
STORAGE CONSTANTS KS : 19660.998
OUTLET INFORMATION TYPE SIZE
-------------------------
CULVERT 1 2IN.
WEIR 6.28FT.
DESIGN STORM : 10 YEAR -
B 1.42036
COEFFICIENT INVERT
----------------------------
0.60 24.50FT.
3.10 25.50FT.
TIME
INFLOW
OUTFLOW
STORAGE
MIN
------------------------------------------------------------
CFS
CFS
AC FT
0.000
0.00
0.00
0.00
2. see
0.10
0. 0e
0.00
5.000
0.38 ..
0.00
0.00
7.500
0.84
0.00
0.00
W. S. ELEVATION
-FT - —_
___________________
24. 50
24.51
24.52
24. 54

7.500
0.84
0.00
0.00
24.54
10.000
1.48 _
0.01
0.01
24. 57
1
12.500
2.26
0.01
0.02
24.60
15.000
3.18
0.02
0.03
24.64
17.500
.4.22
0.03
0.04
24.69
.. 20.000
5.34 _
0.04
_ 0.06
24.74
1
22.500
6. 52
0.05
0.08
24.80
25. 000
7.72
0.06
0.11
24.87
27.500
8.93
0.06
.0.14
24.94
)
10.11
0.07
0.17 -
25.01
" 32.500
11.23
0.07
0.21
25.09
35.000 _ ".,
12.27
0.08
0.26
25.17
37.500
13. 19
0.09
0.30
25.25
1
40.000
13.97 _
0.09
0.35
25. 33
42.500
14.61
0.10
0.40
25.42
1
45.000
15.07
0.10
0.45
25.50
47.500
15.35
0.53
0.50
25.58
50.000
15.45
1. 29
0.55
25.65
J
" 52.500
15.35
2.19
0.60
25.72
55.000
15.07
3.12
0.65
25.79
.. - - ... 57. 500
14. 61
4. 03
0. 69
25. 84

55. 000
15. 07
57.500
14.61
60.000
13.97
-
62.500
13.19
65.000
..13.10
1
- 67.500
12.20
70. 000i
11.36
•
-- _,-_ - _, 72. 500 - _ _
- 10. 58 .,.
_y
-
75.000
9.86
• l
__.
- 80.000
8.55
BRSS,NI%ON AND KENNEDY,INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH,•N.C. 27607
.
JOB NAME :.RPVMS
JOB NUMBER.: 88011
DATE : 12/22488
OPERATOR : WHM
3. 12
4.03
4.86
5.56
6.26
6.80
7.23
7.55
7.77
7. 91
7.97
DRAINAGE AREA x 4.9 AC CN x 70
STORAGE CONSTANTS KS x 19660. 998
OUTLET INFORMATION TYPE SIZE
-------------------------
CULVERT I - 2IN.
WEIR 6.28FT.
0.65
0.69
0.72
0.75
0.77
0.80
0.81
0.82
0.83
0.64
0.64
25.79
25.84
25.89
25.93
25.96
25.99
26.01
26.03
26.04
26.04
26.05
DESIGN STORM x 100 YEAR
B x 1.42036
COEFFICIENT INVERT
___________________________
0.60 24.50FT.
3.10 25.50FT.
.TIME
INFLOW
OUTFLOW
STORAGE
U.S. ELEVATION
MIN
CFS _
CFS.
- AC FT
-----------------------
FT
-- _----------
_______________________
0.00
0.00
0.00
24. 50
Z_ aROi
0- 13
0. 00
0. 00
24.51

6.500
0.51
0.00
0.00 .
9.750
1.14
0.01
0.01
13.000
2.00
0.01
0.02
' 16.250
_ 3.07 _
. _ 0.03
0.03
19.500
4.32
0.04
0.05
22.750
5.72
0.05
.. 0.08
26.000
7.24 ..
0.06
0.11
29. 250
B. 84' _ _
0.06
0.15
- 32.500
10.47
0.07
0.19
35.750
12.,11
,. 0.08 -
0.25
39.000
13. 71
0.09
0.31
42.250
15.23
0..09
0.38
45.500
16.63
0.10
0.45
48.750
17.88
0.91 _
0.53
52.000
18.95
2.36
0.61
55.250
19.81 _.
4.09
0.69
58.500
20.44
5.91
0.76
61.750 ...
_ 20. 82
7.71
0.83
65.000
20.95
9.41
0.89
68.250
20. 82 ,.
„_ . 10.92 _ .
_ -- 0.94 -
71.500
- 20.44
- 12.22
0.98
24.53
24.56
24.60
24.65
24.71
24.78
24.86
24.95
25.05
25.15
25.26
25.38
25.50
25.62
25. 74
25.85
25.95
26.03.
26.11
26.17
26.23

BASS, NIXON & KENNEDY, INC.
LIEUTEM ors UMARMEOVUL
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, NORTH CAROLINA 27607
919.851-4422
TO blJlhlehl o� E1/1J1112o�11/�eL1TbL I�%1�f-1�E �•GI/1,
GENTLEMEN:
WE ARE SENDING YOU ❑ Attached ❑ Under separate cover via the following items:
❑ Shop drawings ❑ Prints ❑ Plans ❑ Samples ❑ Specifications
❑ Copy of letter ❑ Change order ❑
COPIES
DATE
NO.
DESCRIPTION
V-eJI/--2Er-2L
THESE ARE TRANSMITTED as checked below:
❑ For approval
❑ For your use
❑ As requested
For review and comment
FOR BIDS DUE
❑ Approved as submitted
❑ Approved as noted
❑ Returned for corrections
❑ Resubmit copies for approval
❑ Submitcopies for distribution
❑ Return corrected prints
19 ❑ PRINTS RETURNED AFTER LOAN TO US
REMARKS
COPY TO _
SIGNED: 4mf o i� ��
It onclosuru are not a noted, kindly notitY u; at once.

0
BASS, NIXON & KENNEDY, INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH. NORTH CAROLINA 27607
GATE I/-) Vu-[1LV J0B NO.
JOB
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BASS, NIXON & KENNEDY, INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, NORTH CAROLINA 27607
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BASS, NIXON & KENNEDY, INC
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, NORTH CAROLINA 27607
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BASS NIXON
AND
Y' INC.
7416 CHAPEL HILL ROAD
RALEIGH, N.C. 27606
JOB NAME : RPVMS
JOB NUMBER : 88011
DATE : 12/22/88
OPERATOR : WHM
ELEVATION AREA STORAGE STAGE
---------- _____________________________________________
24.5 16000 0 0
_ 25.5 23322 19661 1
26.5 42602 52623 2
KS 19660.998046875 B 1.42036

BASS,NIXON AND KENNEDY,INC.
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH, N.C. 27607
JOB NAME RPVMS
JOB NUMBER 88011
DATE : 12/22/88
OPERATOR : WHM
DRAINAGE AREA 4.9 AC
STORAGE CONSTANTS
OUTLET INFORMATION
TYPE
CULVERT
WEIR
CN : 70
KS : 19660.998
SIZE
----------------
I - 2IN.
6. 28FT.
TIME
INFLOW
OUTFLOW
MIN
___________________________________________
CFS -
CFS
0.000
0.00
0.00
2.500
0.10
- 0.00
5.000
0.38
0.00
7.500
0.84
0.00
DESIGN STORM : 10 YEAR
B 1.42036
COEFFICIENT INVERT
___________________________
0.60 24.50FT.
3.10 25.50FT.
STORAGE
W.S. ELEVATION
AC FT
FT
----------------------------------
0.00
24. 50
0.00
24.51
0.00
24.52 '
0.00
24.54

7.500
0.84
0.00
0.00
24.54
10.000
1.48
.. 0.01
0.01
24.57
12.500
2.26
0.01 _
0.02
24.60
'
15.000
3. IS
0.02
0.03
24.64
17.500
4.22
0.03
0.04
24.69
7
20.000
5.34 _
0.04
0.06
24.74
1
-
22.500
6.52
0.05
0.08
- 24.80 '
25.000
7.72
0.06
0.11
- 24.67
)
27.500
.8. 93 _
_ . 0.06
0.14
24.94
)
•
30.000
_ " 10. 11 _
0.07
0.17
25.01
32.500
11.23
0.07
0.21
- 25.09
35.000
12.27
0.08 -
0.26
25.17 '
7
-
37.500
13.19
0.09
0.30
- 25.25
,1
40. 000
- 13.97 ,.
0.09
0.35
25.33
-
42.500
14.61 -
0.10
0.40
25.42
1
45.000
15.07 _
._ 0.10
, 0. 45
25. 50
47.500
15.35
_ 0.53
0.50
-25.58
• •"- -
50.000
'" ' 15.45
1.29
0.55
25.65
52.500
15.35
2.19
0.60
25. 72
i
55.000
15.07
3.12
0.65
25.79
• -
- -- 57.500
14.61
4.03
0.69
25.84 '

55.000
15.07
3.12
0.65
25.79 .
l
•
57.500
14.61
4.03-"
- ' 0.69
25.84
-
60.000
13.97
4.86
0.72
25.89
62.500 -
13.19
5.58
0.75
25.93
65.000
_13. 10 -
6.26
0.77
25.96
•
- 67.500
12.20
6.B0
0.80"-
25.99 '
1
..
.__. .. 70.000 -,
11.36
7.23
0.81
26.01
72.500
. 10. 58..
7.55-
0.82
_26.03 `
i
- -
75. 000 .
_ 9.86 -
7.77
0.83
26.04
1
'- -"- '--
- 77. 500
9.18 -
7.91 - _.
_ _.. , 0.84
26.04
80.000
8.55
7.97
0.84
26.05
6 -
BASS,NIXON AND KENNEDY+INC.
-
CONSULTING ENGINEERS
7416 CHAPEL HILL ROAD
RALEIGH,.N.C. 27607,
JOB NAME :-RPVMS
'
JOB NUMBER.: 88011
DATE : 12/22488
-
OPERATOR : WHM
DRAINAGE AREA ; 4.9 PC
CN :
70
DESIGN STORM + 100
YEAR
STORAGE CONSTANTS
KS +
19660.998
B + 1.42036
OUTLET INFORMATION
TYPE
SIZE
COEFFICIENT
INVERT
CULVERT
1 2IN.
0.60
24. SOFT.
WEIR
6.28FT.
3.10
25.50FT.
TIME
INFLOW
OUTFLOW
STORAGE
W.S. ELEVATION
_
MIN
.CFS -
CFS
.- RC FT
FT
-
____________
0.000
0.00
0.00
0.00
24.50 .
3_PAM
0.13
0.00
0.00
24.51

6. 500
0. 51
0. 00
0.00
i
9.750
1.14
0.01
0.01-
24.56
1
13. 000
2.00. _
0.01
0.02
24.60
$
16.250
3.07
- 0.03,..
0.03
24.65 '
l
19.500
4.32
0.04
0.05
24.71
.1
22.750
5. 72 -"
0.05
0.08
- 24.78
26.000
7.24 _
0.06
0.11
24.86
8.84
0.06
0.15
24.95
i
32.500
10.47 -
0.07
0.19
25.05 "
_ 35.750
_ . 12..,11 ...
0.08
0.25
25.15 .
39.000
13. 73
0.09
0.31
25.26 -
-
42.250
15.23
0.09
0.38
25.36
45.500
16. 63
_ 0.10
0.45
25.50
-�
48.750
17.88 _
0.91 _
0.53 -
25.62
"J
52.000
1B. 95
2.36
0.61
25.74
SS. 2S0
19.81
4.09
0.69
25.85
58.500
20.44
5.91
0.76
- 25.95
61.750 , ,
- 20.82 _ :
- 7.71
0.83
" " 26.03 '
65.000
20.95
9.41
0.89
26.11
-
68: 230 -
20. 82 .:
..._ - 10.92 - ...
. 0. 94
26.17
71.500
- 20. 44 '-'
"' 12.22
0.98
26.23
i
74.750
19.81
13.26
1.02
26.27

78.000
18.95
14.09
1.04
26.30
81. 250
17.88
14.63
1.06
26.32
- 84.500
_ 17.76
15.08
- 1.07 _
- _ 26. 34
87.750
16.54 -.
". _ __.15. 29. _
- 1.08
- _ 26. 35
91.000
15.41 "..
..-, .15.31
1.08
"'- - 26.35 '

BASS, NIXON & KENNEDY, INC., CONSULTING ENGINEERS
919 851-4422 7416 CHAPEL HILL ROAD, RALEIGH, N. C. 27607
December 2, 1988
Mr. Mark Hawes
Division of Environmental Management
Water Quality Section
7225 Wrightsville Avenue
Wilmington, N. C. 28403
Dear Mark:
�� LS l9 LS V 'u r 5
Uhl D W CO
DEC 2 1988 > m
D E M W g
PROj # 4381b0 W w Ko
E
3
Please find enclosed Site Construction Plans for the Remote Piloted
Vehicle Maintenance Shop at Camp LeJeune. This plan has been revised
to comply with the new Costal Stormwater Runoff Regulations. The Navy
is anxious to begin construction of this project and an expeditious
review would be appreciated. Based on an investigation by your office,
this site drains to SC waters.
Please do not hesitate to call it you have any questions.
Very truly yours,
BASS, NIXON & KENNEDY, INC.
)'
W. Harry Mi chell
WHM/rt

BASS, NIXON & KENNEDY, INC., CONSULTING ENGINEERS
919 851-4422 7416 CHAPEL HILL ROAD, RALEIGH, N. C. 27607
October 21, 1988
RECEIVED
OCT 2 4 1988 88/6/)
Wilmington Regional Office
Mr. Mark Hawes DEM
Division of Environmental
Water Quality Section
7225 Wrightsville Avenue
Wilmington, North Carolina
Dear Mark:
Management
28403
Please find enclosed a vicinity map and grading plan for the Remote
Piloted Vehicle Maintenance Shop at Camp Lejeune. We are requesting
your assistance in establishing the classification of the waters into
which this site drains. Any assistance you can provide regarding
stormwater control techniques to meet the Costal Runoff Regulations
would be appreciated.
I will call you the first of next week to discuss your findings.
Very truly yours,
J BASS, NIXON & KENNEDY, INC.
W. Harry M tchell -2,
WHM/rt
Enclosure