20120771 Ver 3_WO7257960_Final_Project Drawings (BT-11)_AllAsOne_20230310

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LICENSE NO. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
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ENGINEERING
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SCALE: AS NOTED
EPRCJECT NO.:
MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866968
SHEET 02 OF 11
G-002
DRAWFORM REVISION: 10 MARCH 2O09
UNCLASSIFIED//FOR OFFICIAL USE ONLY
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UNCLASSIFIED//FOR OFFICIAL USE ONLY
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Particle Size Distribution Report
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I I I I I I IT[
I I I I I I I
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I I I I I I I I I I I I I I
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I I I I I I I I I I I I I I
I I I I I I I I I I I I I
I I I f l I I I I I I I I I
I I I k l I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I
I I I I I I I I I 11 I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I 1 I I I
I I I l l I I I I I I I I
100 10 1 0.1 0.01 0 001
GRAIN SIZE - mm.
% +3..
Gravel % Sand % Fines
Coarse Fine Coarse F Medium Fine Silt clay
0.0 0.0 0.0 0.2 0,4 97.4 2.0
SIEVE
SIZE
PERCENT
FINER
SPEC.`
PERCENT
PASS?
(X=NO)
1-1/2"
100.0
1"
100.0
1/2"
100.0
318"
100.0
#4
100.0
#10
99.8
#16
99.8
#40
99.4
9100
35.2
4200
2.0
Material Description
Grayish broad, Poorly Graded fine SAND (SP) with trace Silt
Atterbera Limits
PL= NP LL= NV PI= NP
Coefficients
D90= 0.3422 D85= 0.3131 D60= 0.2159
D50= 0.1876 D30= 0.1374 D15= 0.1019
D10= 0.0909 Cu= 2.37 Cr= 0.96
Classification
USCS= SP AASHTO= A-3
Remarks
(no specification provided)
Location: Sample obtained from BT-II-1
Sample Number: BT-11-1 Date:
CAPE FEAR Client: Aeolis Engineering PA
Project: Dredging Shady-Halldock BT-II-Thorofare Bridge
ENGINEERING Project No:CG2 21lcrry'Point,NC Figure
100
90
80
70
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Z 50
W
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30
20
10
Particle Size Distribution Report
c .E .S 'c o_ ryory 0 0 (0(pD 0_ a_
CID N \ n Yk Yk 3'k Yk Yk ik Yk Yk ik
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I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I
I I I I I I I I I I I I I
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I I I I I I I I I I I I I I
I I I I I I I I
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I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
100 10 1 0.1 0.01 0 001
GRAIN SIZE - mm.
%+3" Gravel % Sand % Fines
Coarse Fine Coarse Medium Fine Silt clay
0.0 0.0 0.7 0.8 4.8 58.2 35.5
SIEVE
SIZE
PERCENT
FINER
SPEC."
PERCENT
PASS?
(X=NO)
1-1/2"
100.0
1"
100.0
1/2"
100.0
319"
100.0
#4
99.3
#10
98.5
#16
97.0
#40
93.7
9100
59.1
9200
35.5
Material Description
Brownish gray, Silty fine to medium SAND (SM)
Atterbera Limits
PL= NP LL= NV PI= NP
Coefficients
D90= 0.3595 D85= 0.3022 D60= 0.1538
D50= 0.1163 D30= D15=
D10= Cu= Cr=
Classification
USCS= SM AASHTO= A-4(0)
Remarks
(no specification provided)
Location: Sample obtained from BT-TI-3
Sample Number: BT-Tl-3 Date:
CAPE FEAR Client: Avolis Engineering PA
Project: Dredging Shady-Handock BT-II-Thorofare Bridge
ENGINEERING Project No: CG2 AS 21e275Point,NC Fi ure
100
90
80
70
Particle Size Distribution Report
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I I I I I I I I I I I I I I
I I I I I I I I I I I I I I
100 10 1 0.1 0.01 0001
GRAIN SIZE - mm.
% Gravel % Sand % Fines
% +3"
Coarse Fine Coarse Medium Fine Silt clay
0.0 0.0 o.0 0.5 1.4 67.4 30.7
SIEVE
SIZE
PERCENT
FINER
SPEC."
PERCENT
PASS?
(X=NO)
1-1/2"
100.0
1"
100.0
1/2"
100.0
3/8"
100.)
#4
100.0
#10
99.5
#16
99.1
#40
98.1
9100
73.6
4200
30.7
Material Description
Brownish gray, Silty fine to medium SAND (SM)
Atterberg Limits
PL= NP LL= NV PI= NP
Coefficients
D90= 0.2392
D85= 02000
D60= 0.1170
D50= 0.0998
D30=
D15=
D10=
Cu=
CC=
Classification
USCS= SM
AASHTO=
A-2-4(0)
Remarks
(no specification provided)
Location: Sample obtained from BT-11-2
Sample Number: BT-11-2 Date:
CAPE FEAR Client: Avolis inginec y-H PA
Project: Dredging Shady-Handock BT-II-Thorofare Bridge
ENGINEERING MCAS cherry Point, NC
Project No: G2021-275 Figure
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90
80
70
W 60
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30
20
10
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Particle Size Distribution Report
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I I I I I I I I I I I I!
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4-4
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I I I I I I I I I I I I I!
100 10 1 0.1 0.01 0.001
GRAIN SIZE - mm.
% Gravel % Sand % Fines
% +3"
Coarse Fine Coarse Medium Fine Silt Clay
0.0 0.0 0.4 2.1 7.2 62.6 27.7
SIEVE
SIZE
PERCENT
FINER
SPEC."
PERCENT
PASS?
(X=NO)
1-1/2"
100.0
1"
100.0
1/2"
100.0
318"
100.0
#4
99.6
#10
97.5
#16
95.5
#40
90.3
#100
47.9
4200
27.7
Material Description
Dark gray, Silty fine to coarse SAND (SM)
Atterbera Limits
PL= NP
LL= NV
PI= NP
Coefficients
D90= 0.4199
D85= 0.3557
D60= 0.1989
D50= 0.1580
D30= 0.0923
D15=
D10=
Cu=
Cc=
Classification
USCS= SM
AASHTO=
A-2-4(0)
Remarks
(no specification provided)
Location: Sample obtained froin BT-11-4
Sample Number: BT-II-4 Date:
CAPE FEAR Client: Avolis Engineering PA.
Project: Dredging Study-Handock BT-II-Thorofare Bridge
ENGINEERING Project No:CG2 211-2r7y5Ponrt,NC Figure
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LICENSE NO. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed by John K Ayoris
...,<E II urr►�.
SEAL 'r
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SEAL
ENGINEERING
Structural Consultants
748 Lord Dunmore Drive, Suite 101
Virginia Beach, VA 23464
Phone [phone]
Fax [phone]
A/E INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
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SCALE: AS NOTED
EPROJECT No.:
MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866969
SHEET 03 OF 11
B-001
DRAWFORM REVISION: 10 MARCH 2O09
UNCLASSIFIED//FOR OFFICIAL USE ONLY
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UNCLASSIFIED//FOR OFFICIAL USE ONLY
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P MONUMENT EXTRA-
\-4�7 B- _ 4. 2.95 30
7. 3
=5 40-7 x x -2.92 \ o ® N: 457646.52 \
�A x 260 .16
\. �� x�.,9 I �2.4� E 2769816.54
1.9� o L x -.
�. 7..-5 \
�- 2� x�\335 �- 77 ELEV=6.58'
Ox 0 x �3.51 .O . Ice
-7.64 7.
O �. Q� �© nn�87 2.6 1895�
1 x 1.8 2. 1 -�.02 -
1 x 8.38 8.0� ' Ot 0.40
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83 �2 X - x 7.89 A 9.16 ,D,.8 O.f7
-2.42 ��5y "1885g 7
T9 1 26
x -2.58 x LF2.5 'T 4 _ -1 .*47. - - -�
APPROXIMATE SHORELINE
LIMITS OF CHANNEL BOTTOMx 2 I ��-9�p3� x� o O
0.05� x� e 8 - 9062
x -2.89 1.6� 95 -13.% B� x748
98 ��z 9 V �7 1 0 --g 5� �0 x - Mg- � �-�� .4914 �
x -2.�0 4 4 `I A �. -9.17- ^_ �3.08
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x b -6.8� ��� x 8.� - 4 3.88
V 6 x tJ
2.48 x\ x/-�60 }l� < 7 -7 4
285 � -7.58 x r x -8.6 _8. 5�� � 554 O �s 906
0
_ 9012
\ -2.72 O 5�02 O' x 00.2F/
x -2_94 Ix -7.27 �0.1_. Og- .31� 3 18 2.4
x -2.9/4 x<7.08 BT-II-4-. I /
O 4-2.96 e� -8.03 -7 - 3.14
I 31 \ ` 134 �. FACE OF BULKHEAD IS MONUMENT "EXTRA"
- D4 N• 457452.20 EX. GRAVEL _ �4-° ° - ° DREDGING BOUNDARY '
3. 3:81 30 I 5.52 / E: 2769877.99 _ - - RAMP
I x 372 I ` o -- o 0
-1.�6 0 0 0 �� ,� - � - ELEV=5.74' �
-3.36 / F L S86' 42' S5"W 150 04 \ �N o o <� x
o -0.36
x -3.56 / � W � 5- �
- ^Q O_ _A\v J x-1.8
-3.6-3.5 `3.97 t-4. x �5.51Ix -7 - 86 o 0 0 o S�P�
,18 o 0 0 - - - - - - 0 �R�.>�o 7 �� " - .54x -2.4
JACKS BAY o0000000000 ARP z _2 -2.70
� � o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0� wo o -3.2 84
-2.70 -2.90
_ 39o�-4.00 BT-II-3 -3�2 x 2N3.o
CLASS: SA; HQW, NSW 00 x -3.94 8xx x - 59 -3.31
-3.92 O �x �6 ��.09 3.46 x -3.26 -3.39 x -3.10 -3.62
INDEX: 27-148-1-9 o.a2x x-S78 63� 3.1'
x -4.�5 x - .54 -6.�0 x - ��
x -3.44 x -3.44
� � o � � x -3.31 �„� oo I -3.11 -� x -3.12
0 \ \ x -3.44 98-- - O 2 97
T � �\ \\ -3.31 .40 K 3.1 x -3.27
\ �8. 6.25 4. -4�0 x -3.72 x� 3. j' 8�.65 x -3.45 -3.40 -3 8 3.111
4.675.65 6.76x� x� Ax \ \ \ 7 -3.68 BT-II-1, x-3.56
ti _n n-4.224.26� �� x -3.88 °-3 89 x -4.98 -3.76 -3.58 x -3.3 ��4.14 x -3.3% -3.29
I 4-DOLPHINj J y \� O \\ ®-5.06\ x-3.95 LE - Q6 x-3.8 '3.62 x-3.86x 3.58
-4.64 I \� of -4.79 -400 386 LIMITS OF CHANNEL BOTTOM x 3.91 '
I/ -4 TT1x -4.42 1\ _3.9 -3.82 x \.07
-4.54 - -9 7 3 -6167 6 DOLPHIN -4.85 f -4.50 -4.07 = 91
5. 0 637 -7.x� x- 6 x 6 ® x -4.11
-412 x -�28 \ x -4.23 x -4 39 O $09_ x -4.80 4.81 Q -4.
x -4.31
x-4.fYQ-44�7 -4.5(V -4.42 x -4.59 � 'O\ 4.36 � " -3.13 / 1-� 7 x -4.43
X -7.97\ x -4.29x x 5. 3 x -4.14
®II \ x -8% �� \ FF 8\5.11 x4J0 LIMITS OF --A
HANNEL BOTTOM -4.7 -4 63 4 38
-4.42 DOLPHIN_ 1 79 \ -7. 2-6.7 x -4.57 -4.70 x -4.48
7.89 x -5.19 x -5.1 -4.20 _, 523 -60�� x -8.4� �� 5 85 5 Q x -4.55
-4. x .77 �7�3 -8.22 x 6.6 �5 gQ�4' -_5.0 x -4.76 x -4.64
I \.81 \ ®T x -5.23 x -5 � x -5.5 -4.76
x -4.2 -5.50 7.95 .76 DOLPHIN -x z 1-4.73
�- -5.32 -`•� LIMITS OF CHANNEL BOTTOM
x -8.5 x -5.64 �Q) / 4 5.67 -5.24 x -4.93
-4.30 04.,1X34.45-4x.5A4 82 4.9 xx 8 37 x -8.30 � A \
xx 05C�76 � x -6.33 \-7.0� � � � x -5.67 � - � x -6.�6 -5.41 5.14
-4.31 x -4.55 -4.5 x -5.04 O T O x 5.94 )
® ) QQ - -5.98 -5.84,\ 5.&)5.96 I x -6.11 x -5.9b -5.68 �x -ppp�1 4.98
�4 785.66 DOLP H I N �� �6A -5.87 \ x 5.85 0 x
�7.19 M 5 _ x -6.28
� x -5.11 x -5.Q 7 x -4.84
�.15 7.20 x -6.46 - 5.62 x -5.01 A\
\0 x 5.28 x -4.97
-4 88 LIMITS OF CHANNEL BOTTOM �!�� / Xx -
-�.�� x -6.43 0 - 2 BT-II-2'-SOJ
�� �7.70 o x -4.54 4
x 8.84 6.59 7X 6�1 -5.86
x -5.54 S-6.90 x -6. 4'� P D
.63 -6.34 �07 ��, 5 x 2.2�.�44-5.93 � x
\ -5.21
x -4.99 � � �Q x -7.38 �� 33 6.57� L4.9
x -5.15 -5.1 Ox -5.07 7.00 x -6. 6 A6.13 -5.33
x -4.37 x -4.85x -5.34
x -5�8x-5.A-5.11 \ x -7.73 x -7 ' -O. F .71x -6.63 x - ) x -5.68 x -5.12
x 8- -7.66 G �� � T
x ' 8.54 x -8.41 -6.98 x -6.52 x -6.31 x -5.90x -5.54
�!x -7.12 \ j�� .08 x -7 �6.77-6.98 " -6.38 x �6\23 -SN
-6 44
x -5.59 -6.00 -� uj x -6.80 x -6.34
-5.75 5.37 \ x \7 Q� - 45 4 L°x -6.94 x -6.78 x\ 6.07
5.97
'D03 x -5.13 � x -7.76 _ � 8 SAO - � � x -6.�6
�10 x -5.69 x -5.71 x -5.16 -7.52 2 x -6.54 x-7.56x x -6.09 �\
EF - 'L� x
V � x X x -7.93 -6.68
x -8 1 F x -6.36
� 1 �-6.�3j 6 x Q5 8.01
-6.5� -6� I,= �\73 -7.98 x -7.60
51 5.90 x -5.96 x -5.78 x -5.60x -5.65 1; �7.25 O � �
x -5.40 � X -8.38 �� x -6.55
x -5.26x -5.7EE I Cp /
\ -6.00 x -6 54§. I ) ,cb / 8�.7 \ 6.89
x -6.48 \ x %6 A -8.3F� 8 -7.75\ 16
x -6.13 � V � � � � x �.59 A �.
x -8.62 -7.98
-6.04 x� 7 94 -8.64 -8.57 x t .22 k -7.01 -6.28
o A �68�
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Ax�502 6.61x -6.59 -6.85 �6.94 -8.18 -8.14\ 6x2V.72
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x -6.52 8�5
x -6.34 x -6.80 G �O ( x -8.62 LF
DREDGING PLAN - BT-11
SCALE: 1 " = 60'
N
MATCH LINE - SEE NEXT SHEET
SEE SHEET CG101 FOR
COORDINATE TABLE DELINEATING
BOUNDARY OF DREDGING AREA
LONG BA Y
CLASS: SA; HQW, NSW
INDEX: 27-148-1
MEAN SEA LEVEL ELEVATION = 0.0'
6'
a
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MIN. REQUIRED DEPTH
1 ALLOWABLE OVERDEPTH =1' MAX
3 100'
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TYPICAL DREDGING SECTION-100' CHANNEL N
0
NOT TO SCALE
MEAN SEA LEVEL ELEVATION = 0.0'
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MIN. REQUIRED DEPTH
ALLOWABLE OVERDEPTH =1' MAX
3 50'
TYPICAL DREDGING SECTION-50' CHANNEL
NOT TO SCALE
LEGEND
PROPOSED AREA REQUIRING DREDGING
XX-X = COMPOSITE SPOIL SAMPLE LOCATION/ID
BUILDING
-C/L- = CENTERLINE CHANNEL/DREDGING AREA
BASELINE/SURVEY TIE LINE
5 = EXISTING TOPOGRAPHIC CONTOUR
-5 = FINISH TOPOGRAPHIC CONTOUR
0 = CONTROL POINT OR MONUMENT, AS NOTED
60 0 30 60 120
GRAPHIC SCALE: 1 " = 60'
ter'
LICENSE N0. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed by John K
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SEAL 'r
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SEAL
ENGINEERING
Structural Consultants
748 Lord Dunmore Drive, Suite 101
Virginia Beach, VA 23464
Phone [phone]
Fax [phone]
A/E INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
DES JKA
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PIPE ROUTING PLAN - BT-11
SCALE: 1 " = 500'
\ \ DREDGE SPOIL DISPOSAL AREA
\ SEE SHEET CG105
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DREDGE SPOIL PIPING ROUTE
EX. TIMBER BRIDGE-`
d
EX. TIMBER BRIDGE
DREDGE SPOIL PIPING ROUTE
NOTE:
DREDGE SPOIL PIPE SHALL BE LAID IN SUCH A
WAY AS TO NOT INTERFERE WITH OR RESTRICT
VEHICULAR TRAFFIC IN ANY WAY. COORDINATE
PIPE ROUTING WITH CONTRACTING OFFICER.
THE CONTRACTOR SHALL ANCHOR THE DREDGE
PIPELINE TO PREVENT INADVERTENT MOVEMENT
OR RUPTURE.
ACCESS ROAD
DO NOT BLOCK
� - Y
\_ PHOTOS- DREDGE SPOIL PIPE PATHWAY
NOT TO SCALE
3 ' 4
\ \ OHELIPORT
500 0 250 500 1000
GRAPHIC SCALE: 1" = 500'
DREDGING AREA
0.
JACKS BA Y
CLASS: SA; HQW, NSW
INDEX: 27-148-1-9
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LICENSE NO. C-0706
7110E-
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed by John K Ayoris
...,<E tirurr►�.
SEAL 'r
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SEAL
ENGINEERING
Structural Consultants
748 Lord Dunmore Drive, Suite 101
Virginia Beach, VA 23464
Phone [phone]
Fax [phone]
ACE INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
DES JKA
I RAW MSP
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MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866973
SHEET 07 OF 11
CG104
DRAWFORM REVISION: 10 MARCH 2O09
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EX. CANAL
OUTSIDE OF TOP OF DIKE
AIRCRAFT TAI
RIP RAP SCOUR HOLE
SEE DETAIL B, SHEET CC501
TO REMAIN
SEE DETAIL SHEET CG106
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234,711 SFf
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2 NEUSE
RIPARIAN BUFFER LIMIT
5.39 ACRES
SEE DETAIL B, SHEET CG501
DREDGE SPOIL DISPOSAL AREA - SIMULATED AIRFIELD AT BT-11
SCALE: 1 " = 60'
N
60 0 30 60 120
GRAPHIC SCALE: 1" = 60'
"IRON ROD"
N: 462884.99
E: 2759973.10
ELEV=4.05'
STINGRAY RD
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SECTION A -A @ STA 6+00
-160 -140 -120 -100 -80 -60 -40 -20 0
SECTION B-B @ STA 11 +00
SIMULATED AIRFIELD CROSS SECTIONS
HOR. SCALE: 1 " = 40'
VERT. SCALE: 1 " = 4'
9.0'
'ADE
� =9.0'
GRADE
NOTES:
1. TOPOGRAPHIC AND HYDROGRAPHIC SURVEY COMPLETED BY AVOLIS ENGINEERING, PA ON
OCTOBER 12, 2022.
2. NEGATIVE ELEVATIONS SHOWN ON PLANS ARE WATER DEPTHS RELATIVE TO MEAN SEA LEVEL
(MSL = ELEVATION 0.00'), REFERENCE VERTICAL DATUM DIAGRAM ON SHEET G-001 FOR
LOCAL TIDAL STATION ADJUSTMENT.
3. THE CONTRACTOR MUST MAINTAIN ACCESS TO DOCKS AND BOAT RAMP AREA AT BT-11 AT
ALL TIMES DURING CONSTRUCTION, UNLESS COORDINATED OTHERWISE WITH THE
CONTRACTING OFFICER.
4. THE CONTRACTOR SHALL BE RESPONSIBLE TO PROPERLY SECURE ANY DREDGE SPOIL
PIPELINE TO PREVENT IN INADVERTENT MOVEMENT, DAMAGE OR RUPTURE.
DREDGE SPOIL AREA NOTES:
1. THE SPOIL DIKE CONSTRUCTION DEPICTED IS FOR ILLUSTRATIVE PURPOSES ONLY. THE
CONTRACTOR SHALL BE RESPONSIBLE FOR THE DESIGN AND CONSTRUCTION OF THE
CONTAINMENT DIKE TO MEET THE PROJECT REQUIREMENTS. THE CONTAINMENT DIKE SHALL
BE CONSTRUCTED UTILIZING ON SITE SOILS WITHIN THE LIMITS OF DISTURBANCE DEPICTED.
THE CONTRACTOR SHALL PROVIDE SUFFICIENT DIKE WIDTH AND HEIGHT TO PROPERLY
CONTAIN THE DREDGE SPOIL. THE CONTRACTOR SHALL SUBMIT FOR APPROVAL BY THE
CONTRACTING OFFICER A DETAILED PLAN OF THE DIKE AND OUTFALL CONSTRUCTION,
SEALED BY A NORTH CAROLINA REGISTERED PROFESSIONAL ENGINEER, PRIOR TO STARTING
DIKE CONSTRUCTION. ALL COST ASSOCIATED WITH CONTAINMENT DIKE AND OUTFALL
CONSTRUCTION AND REMOVAL SHALL BE INCLUDED IN THE CONTRACTOR'S BASE BID
PRICE.
2. ALL DREDGE SPOIL MATERIAL MUST BE PLACED IN THE DESIGNATED SPOIL AREA.
3. THE CONTAINMENT DIKE AREA SHALL BE FULLY CONSTRUCTED PRIOR TO DISCHARGING ANY
SPOIL TO THE DISPOSAL AREA. THE CONTRACTOR SHALL UTILIZE ON -SITE SOILS WITHIN
THE LIMITS OF DISTURBANCE TO CONSTRUCT THE DIKE.
4. THE CONDITION OF THE CONTAINMENT DIKE SHALL BE CONTINUOUSLY MONITORED DURING
OPERATIONS FOR DAMAGE, SCOUR OR EROSION. IF DAMAGE OCCURS, DREDGING
OPERATIONS SHALL BE TERMINATED AND PROPER REPAIRS MAKE.
5. UPON THE COMPLETION OF DREDGING OPERATIONS, THE SPOIL AREA SHALL BE GRADED
INSIDE THE LIMITS OF THE DREDGE SPOIL AREA TO CREATE A SMOOTH SPOIL AREA,
CROWNED ALONG THE CENTERLINE OF THE DISPOSAL AREA SO AS TO SHED RUNOFF TO
THE VEGETATED SHOULDER AREAS. THE CONTAINMENT DIKE SHALL BE REMOVED AS A
PART OF THIS GRADING.
6. ALL DISTURBED AREAS SHALL BE VEGETATED IN ACCORDANCE WITH THE PROJECT
VEGETATION PLAN. SEE DETAIL C, SHEETS CG501.
7. THE FLASHBOARD RISER SHALL BE REMOVED UPON THE COMPLETION OF DREDGING
ACTIVITI ES.
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LICENSE NO. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed by John K Avofis
SEAL r
SEAL
ENGINEERING
Structural Consultants
748 Lard L)unmore Drive, Suite 101
Virginia Beach, VA 23464
Phone 757A74-0612
Fax [phone]
ACE INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
DES JKA
I RAW MSP
CHK JCA
PM/DM
BRANCH MANAGER
CHIEF ENc/ARCH
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EPROJECT NO.:
MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866974
SHEET 0$ OF 11
CG105
DRAWFORM REVISION: 10 MARCH 2O09
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EDGE OF EXISTING
ROADWAY PAVEMENT
6" LAYER OF COARSE AGGREGATE (2"-3")
OVER 12" LAYER OF STONE BASE COURSE
MAINTENANCE
1. MAINTAIN ENTRANCE
CONDITION. THIS MAY
REQUIRE REPLACEMENT
OF STONE.
GRAVEL CONTROL ENTRANCE
NOT TO SCALE
PLACE SILT FENCE AT LIMITS OF CONSTRUCTION
SELF -ANCHORING
METAL POST @ 6' O.C. MAX
12 GAUGE 6"x6" WIRE MESH
FILTER FABRIC
8" BURY
FLOW
MAINTENANCE
1. INSPECT STRUCTURES WEEKLY AND AFTER AT
LEAST A 1 /2" OR GREATER RAINFALL EVENT.
2. REMOVE SEDIMENT FROM BEHIND SILT FENCE
PRIOR TO IT REACHING A MAXIMUM DEPTH OF
SIX (6) INCHES.
SILT FENCE
NOT TO SCALE
VEGETATIVE SEEDING
AFTER COMPLETION OF GRADING ACTIVITIES AND THE
CONSTRUCTION OF SWALES, ALL EXPOSED AREAS SHALL
BE SEEDED TO THE FOLLOWING SPECIFICATIONS:
SEED BED
LIME 1-1/2 TON PER ACRE
FERTILIZER 1/2-TON PER ACRE
SEED
RYE GRAIN 50 LBS PER ACRE
TALL FESCUE 100 LBS PER ACRE
SUPPLEMENTAL SEED
MAY THROUGH AUGUST:
CENTIPEDE 5 LBS PER ACRE
PROCEDURE
STRAW MULCH SHALL BE APPLIED AT A RATE WHICH WILL
INSURE APPROXIMATELY 75% COVERAGE OF THE SEEDED
AREA. THE STRAW AND SOWN SEED WILL BE LIGHTLY
DISCED INTO THE BED TO GIVE IT FURTHER RESISTANCE
TO BLOWING AND WASHING.
THE CONTRACTOR SHALL GUARANTEE A FULL STAND OF
GRASS OVER THE ENTIRE DISTURBED AREA. IF NECESSARY
THE CONTRACTOR WILL WET DOWN THE AREAS TO ASSIST
IN SEED GERMINATION OR AID IN GROWTH IN TIMES OF
EXCESSIVELY DRY WEATHER. A STAND OF GRASS WILL BE
CONSIDERED ACCEPTABLE WHEN THE ENTIRE STAND OF
GRASS IS AT LEAST FOUR INCHES HIGH AND HAS
ACHIEVED AT LEAST 95% COVERAGE OF DISTURBED
AREAS. RESEEDING WILL BE REQUIRED AS NECESSARY BY
THE CONTRACTOR TO OBTAIN THE SPECIFIED STAND OF GRASS.
SPECIAL SEEDING NOTE:
CUT & FILL SLOPES WILL, WITHIN 7 CALENDAR DAYS DAYS OF
COMPLETION OF ANY PHASE OF GRADING, BE PLANTED AND PROVIDED
WITH TEMPORARY OR PERMANENT GROUND COVER, DEVICES, OR
STRUCTURES SUFFICIENT TO RESTRAIN EROSION.
VEGETATION PLAN
NOT TO SCALE
EROSION CONTROL NOTES:
SCHEDULE OF EROSION AND SEDIMENTATION CONTROL ACTIVITIES
1. INSTALL SILT FENCING AND GRAVEL CONTROL ENTRANCE AS INDICATED.
2. COMPLETE SITE CONSTRUCTION AS INDICATED.
3. FINE GRADE SITE AS INDICATED.
4. STABILIZE AND VEGETATE ALL AREAS NOT TO BE FURTHER DISTURBED BY
CONSTRUCTION ACTIVITIES PER THE VEGETATION PLAN AND STATED TIME CONSTRAINTS.
5. INSTALL SEED AND MULCH TO ESTABLISH FINAL VEGETATION.
6. ADDITIONAL MISCELLANEOUS EROSION CONTROL MEASURES MAY BE
REQUIRED WHEN DEEMED NECESSARY BY THE CONTRACTING OFFICER OR
CONTRACTOR.
7. REMOVE SILT FENCING ONCE VEGETATION IS 95% ESTABLISHED MINIMUM.
MAINTENANCE PLAN
1. ALL EROSION AND SEDIMENTATION CONTROL DEVICES WILL BE CHECKED FOR
STABILITY AND OPERATION FOLLOWING EVERY RUNOFF -PRODUCING RAINFALL
EVENT BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED
REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL DEVICES IN THE
OPERATIONAL CONDITIONS INTENDED.
2. ALL AREAS WILL BE FERTILIZED, VEGETATED AS NECESSARY, AND
MULCHED ACCORDING TO SPECIFICATIONS IN THE VEGETATION PLAN IN ORDER
TO ESTABLISH AND MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER.
ANY SEDIMENT TRACKED ONTO THE ADJACENT ASPHALT ROAD SHALL BE
REMOVED ON A DAILY BASIS.
3. SEDIMENT SHALL BE REMOVED FROM BEHIND SILT FENCING
PRIOR TO THE SEDIMENT ACCUMULATING TO A MAXIMUM
DEPTH OF SIX INCHES.
SPECIAL SEEDING NOTE:
ALL DENUDED AREAS WILL, WITHIN 7 DAYS OF STOPPING GRADING ACTIVITIE
AT ANY PHASE OF CONSTRUCTION, BE PLANTED AND PROVIDED WITH
TEMPORARY OR PERMANENT GROUND COVER, DEVICES, OR STRUCTURES
SUFFICIENT TO RESTRAIN EROSION.
CONTRACTOR SITE INSPECTION REQUIREMENTS:
THE NPDES CONSTRUCTION PERMIT REQUIRES EROSION CONTROL DEVICES AND
STORM WATER OUTFALLS BE INSPECTED WEEKLY (EVERY 7 CALENDAR DAYS)
AND WITHIN 24 HRS OF A .5 INCH RAIN EVENT. IT WILL BE THE RESPONSIBILITY
OF THE CONTRACTOR TO CONDUCT THESE INSPECTIONS AND MAINTAIN RECORDS
UNTIL THE AREA HAS STABILIZED, EVIDENT BY 95% VEGETATIVE GROWTH FOR
AREAS PROVIDED SEEDING. TO FACILITATE RAINFALL MONITORING A RAIN GAUGE
IS REQUIRED TO BE ON SITE. ADDITIONALLY THE CONTRACTOR IS RESPONSIBLE
FOR CONDUCTING "SELF INSPECTIONS" INDICATING THE DATE BMPS ARE
INSTALLED AND STABILIZATION MEASURES (SEEDING/MULCHING OR SOD) ARE
INITIATED. THE "SELF INSPECTION" REPORTS WILL BE MAINTAINED ALONG WITH
THE "NPDES" INSPECTION REPORTS. ONCE STABILIZATION HAS BEEN
ACCOMPLISHED INSPECTION RECORDS ARE TO BE FORWARDED TO EAD AND ALL
TEMPORARY EROSION/SEDIMENTATION CONTROL DEVICES REMOVED. THE
CONTRACTOR IS RESPONSIBLE FOR MAINTAINING COMPLIANCE WITH ALL PERMITS
AND PLANS, ANY CHANGES WILL BE APPROVED BY THE STATE PRIOR TO
EXECUTION. A COPY OF THE EROSION AND SEDIMENTATION CONTROL PLAN,
LETTER OF APPROVAL, AND NPDES CONSTRUCTION PERMIT WILL BE MAINTAINED
BY THE CONTRACTOR AT THE ONSITE OFFICE. IF SOIL IS REMOVED FROM OR
BROUGHT ONSITE, THE APPLICABLE SOLID WASTE MANAGEMENT PERMIT NUMBER,
EROSION SEDIMENTATION PERMIT NUMBER OR MINE PERMIT NUMBER WILL BE
DISCLOSED.
NOTE:
ALL FILL MATERIAL NEEDED TO EXECUTE THIS PROJECT
SHALL BE OBTAINED FROM AN NCDEQ NCDEMLR
PERMITTED BORROW PIT.
NOTE:
NO WETLANDS EXIST WITHIN THE LIMITS OF CONSTRUCTION.
NOTE:
PROJECT DRAINS TO: JACKS BAY
CLASSIFICATION: SA, HQW, NSW
STREAM INDEX: 27-148-1-9
TOTAL LIMITS OF DISTURBANCE
234,711 SF, 5.39 ACRES
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LICENSE NO. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed byy John K
..,'tl[111111►1�.
SEAL 'r
L�
SEAL
ENGINEERING
Structural Consultants
748 Lord Dunmore Drive, Suite 101
Virginia Beach, VA 23464
Phone [phone]
Fax [phone]
ACE INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
DES JKA
DRW MSP
CHK JCA
PM/DM
BRANCH MANAGER
CHIEF ENG/ARCH
FIRE PROTECTION
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EPROJECT No.:
MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866976
SHEET 10 OF 11
CG501
5 DRAWFORM REVISION: 10 MARCH 2O09
UNCLASSIFIED//FOR OFFICIAL USE ONLY
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UNCLASSIFIED//FOR OFFICIAL USE ONLY
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EROSION CONTROL NOTES
NOT TO SCALE
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH
THE NCGO1 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result inthe construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections ofthe NCGO1 Construction General Permit (Sections E and F, respectively). The
permittee shall complywith the Erosion and Sediment Control plan approved bythe
delegated authority having jurisdiction. All details and specifications shown on this sheet
may not apply depending an site conditions and the delegated authority having jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization
Ttmeframes
Stabilize within this
Site Area Description
many calendar
Tirneframevariations
days after ceasing
land disturbance
(a) PerinleLei dikes,
swales, ditches, and
7
None
perimeter slopes
(b) High Quality Water
7
None
(HQW) Zones
(c) Slopes steeperthan
If slopes are 10' or less in length and are
3:1
7
not steeperthan 2:1, 14days are
allowed
-7 days for slopes greate r t ha n 50' in
length and with slopes steeperthan 4:1
-7 days for perimeter dikes, swales,
(d) Slopes3:1to4:1
14
ditches, perimeter slopes and HOW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales,
(e) Areas with slopes
ditches, perimeter slopes and HQW Zones
flatter than 4:1
14
-10 days for Falls Lake Watershed unless
there is zero slope
Note: After the permanent cessation of construction activities, a ny a reas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longerthan 90 calendardays afterthe last land disturbing
activity. Temporary ground stabilization shall be maintained in a rnannerto renderthe
surface stable against accelerated erosion until permanent ground stabilization is achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabilization Permanent Stabilization
• Temporary grass seed covered with straw or • Permanent grass seed covered with straw or
other mulches and tackifiers other mulches and tackifiers
• Hydroseeding • crotextile fabrics such as permanent soil
• Rolled erosion control products with of reinforcement matting
without temporary grass seed • Hydroseeding
• Appropriately applied straw or other mulch • shrubs or other permanent plantings covered
• Plastic sheeting with mulch
• uniform and evenly d istributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control produrtswith grass %ce.d
POLYACRYLAMIDES (PAMS)AND FLOCCULANTS
1. Select flocculants that are appropriate forthe soils being exposed during
construction, selectingfrom the NC DWR List of Approved PAMS/Flocculants.
2. Applyflocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Applyfloccula nts at the concentrations specified in the NCDWR List of Approved
PAMS/Ffocculonts and in accordance with the manufacturer's instructions.
4. Provide ponding area for containment oftreated Stormwater before discharging
offsite.
5. Store floccula nts in leak -proof containers that a re kept under storm -resistant cover
or surrounded by secondary containment structu res.
EQUIPMENTAND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge offluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the
project.
4. Collect all spent fluids, store in separate containers and properlydispose as
hazardous waste ( recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem
has been corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal centerthat handles these materials.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domesticwastes.
3. Locate waste containers at least 50 feet awayfrom storm drain inlets and surface
waters unless no other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff
from upland areas and does not drain directlyto a storm drain, stream orwetland.
5. Coverwaste containers at the end of each workday and before storm events or
provide secondary containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Emptywaste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, cleanup and dispose ofwaste in designated waste containers.
PAINTAND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams orwetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriatelyforthe needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
'ORTABLE TOILETS
1. Install portable toilets on level ground, at least 50 feet away from storm drains,
streams orwetlarids unless there is no alternative reasonably availa ble. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material.
Utilize a licensed sanitarywaste haulerto remove leaking portable toilets and replace
with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet awayfrom storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonably
available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpilewithin the timeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
C`�1111_41
NORTH CAROLINA
Environmental Quality
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
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CONCRETE WASHOUTS
1. Do not discharge concrete or cement slurryfrom the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local
and state solid waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above Remand in
addition place the mixer and associated materials on impervious barrier and within
lot perimeters ilt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authorityfor
review and approval. If local standard details are not available, use one of thetwo
types of temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Storrnwateraccumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must
be pumped out and removed from project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum,
install protection of storm drain inlets) closest to the washout which could receive
s pil Is o IF ove rf low.
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required bythe
approving authority.
8. Install at least one sign directing concrete truckstothe washout within the project
limits. Post signage on the washout itself to identifythis location.
9. Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other tempora ry structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion ofthe concretework, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, ifapplicable, and stabilize anydisturbance
caused by removal of washout.
HERBICIDES, PESTICIDES AND RODENTICIDES
1 Store and apply herbicides, pesticides and rodenticides in accordance with label
restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the
label, which lists directions for use, ingredients and first aid steps in case of
accidental poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is
possible orwhere they may spill or leak into wells, stormwater drains, ground water
orsurface water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
HAZARDOU S AN D TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
� NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING I EFFECTIVE: 04/01/19 1
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in Jeopardy, the Inspection may be delayed until the next business day an
which it is safe to perform the inspection. In addition, when a storm event of equal to or
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be
performed upon the commencement of the next business day. Any time when inspections
were delayed shall be noted in the Inspection Record.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained 11
If no daily rain gauge observations are made during weekend or
good working
holiday penods, and no individualI rainfall inrormation is
order
available, rrcnrd thr. ruminative rain mcasurrmrnt for those un
attended days (anc this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded as
"zero." The permittee may use another rain -monitoring device
approved by the Division.
(2) E&SC
At least once per
1. Identification ofthe measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Indication of whether the measures were operating
event? 1.0 inch in
properly,
24 hours
5. Description of m6intenance needs for the measure,
5_ Desrrlption, evldence, and date of corrective actions taken_
(3) 5tarmwater
At Ieastonce per
1. Identification of the discharge outfalls inspected,
discharge
�
7 calendar days
Y
2. Date and time of the Inspection,
outtal is (SDCs)
and within 24
3. Name otthe person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event> 1.0 inch in
sheen, floating or suspended solids or discoloration,
24hours
5. Indication of visible sediment leaving the site,
Is, Description, evidence, and date of corrective actions taken.
(4) Per€mete- of
At least once per
If visible sedimentation is found ouwde site limits, then a record
site
7 calendar days
ofthe following shall he made:
and within 24
1. Actlonstaker) tocleanuporstablllzethe sediment that has left
hours of a rain
the site limits,
event> 1.0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
(5) streams or
At Ieastonce per
Ifthestream or wetland has Increased visiblesedimencauan or a
wetlands onslte
7calendardays
strea m has vWhle lncrea sed turbidity from the construction
or offsite
and within 24
activity, then a record of the following shall be made:
(where
hours of a rain
1. Description, evidence and date ofcorrective actions taken, and
accessible)
event , 1.0 inch in
2. Records ofthe required reports to the appropriate Division
24 hours _
Regional Office per Part III, Section C, Item_(2)(a) of this permit.
After each phase
(G) Ground
1. The phase of grading Iinstallation of perimeter E&SC
stabilization
efgradmg
measures, clearing and grubbing, installation of storm
measures
drainage facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover),
2. Documentation that the required ground stabilization
measures have been provided within the required
timetrame or an assurance that they will be provided as
as pnssihlc.
NOTE: The rain inspection resets the required 7 calendar day Inspection requirement.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION B: RECORDKEEPING
1. Ill Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept an the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit.
The following Items pertaining to the E&.SC plan shall be kept on site and available for
inspection at all times during normal business hours.
Item to document documentation Requirements
(a) Each E&SC measure has been installed
Initial and date each E&SC measure on a copy
and does not significantly deviate from the
of the approved E&SC plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC plan_
E&SC measure shown on the approved E&SC
pla n. This documentation is required upon the
initial installation cf the E&SC measures or if
the E&SC measures are modified after initial
Installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC
pla n or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy of the approved E&SC
in accordance with the approved E&SC
pla n or complete, date and sign an inspection
plan.
report to indicate compliance with approved
ground cover specifications_
(d) The maintenance and repair
Camplete, date and sign an inspection report.
requirements for all E&SC measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC measures.
pla n or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Addldonal Documentation to be Kept an Site
In addition to the E&SC plan documents above, the following items shall be kept on the
site and available for inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make
this requirement not practical:
(a) This General Permit as well as the Certificate of Coverage, after it is received.
(b) Records of inspections made during the previous twelve months. The permittee shall
record the required observations on the Inspection Record Form provided by the
Division or a similar inspection form that Includes all the required elements. Use of
electronically -available records in lieu ofthe required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
3. Documenta lon to be Retained for Three Years
All data used to complete the a-NOI and all inspection records shall be maintained for a period
of three years after project completion and made available upon request. [40 CFR 122.41]
PART 11, SECTION G, ITEM (4)
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down
for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather).
Non -surface withdrawals from sediment basins shall be allowed only when all ofthe following criteria have been met:
(a) The E&SC plan authority has been provided with documentation of the non -surface withdrawal and the specific time periods or conditlons In which It will occur. The non -surface withdrawal
shall not commence until the E&SC plan authority has approved these items,
(b) The non -surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit,
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include
properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems,
(d) Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described In Item (c) above,
le) Velaclty dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and
(f) Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters ofthe United States.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1. Occurrences that Must be Reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
■ They are 25 gallons or more,
■ They are less than 25 gallons but cannot be cleaned up within 24 hours,
They (cause sheen on surface waters (regardless of volume), or
• They are within 100 feet of surface waters (regardless of volume).
(c) Releases of hazardous substances in excess of reportable quantltles under Section 311
of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA
(Ref: 40 CFR 302.4) or G.S. 143-215.85.
Id) Anticipated bypasses and unanticipated bypasses.
le) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. ReportingTlmefromes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Department's Environmental Emergency Center personnel at (800)
858-0368.
Occurrence
ReportingTimeframes (After DiscoverY) and Other Requirements
(a) Visible sediment
• Within 24 hours, an oral or electronic notification.
deposition in a
• Within 7calendardays a report thatcontains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case-hy-case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal or state impaired -waters conditions.
(h) Oil spills and
• Within 24 hours, an oral or electronic ratification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill cr release.
substances per Item
1(h)-(C) above
(c) Anticipated
a A report at least ten days before the date of the bypass, if possible_
bypasses [40CFR
The report sha11 Include an evaluation of the anticipated quality and
122.41(m)(3)1
effect of the bypass.
(d) Unanticipated
a Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
• Within 7calendardays, a report that includes an evaluation of the
122,41(m)(3)I
quality and effect ofthe bypass.
(e) Noncompliance
• Within 24hours, an oral orelectronic ratification.
with the conditions
■ Within 7calendardays, a report thatcontains a description ofthe
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and ifthe noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environmem[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(1)(7)]
prevent reoccurrence of the noncompliance. l40 CFR 122.41(1)(b).
• Division staff may waive the requirement for a written report on a
case -by -case basis.
0--11740
NORTH CAROLINA
Environmental Quality
NCGO1 SELF -INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19I
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LICENSE NO. C-0706
AVOLIS ENGINEERING, P.A.
P.O. BOX 15564
NEW BERN, NC 28561
PH.[phone]
PROJECT: 22048
itally signed by John K Ay6fis
SEAL r
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SEAL
ENGINEERING
Structural Consultants
748 Lord Dunmore Drive, Suite 101
Virginia Beach, VA 23464
Phone 757A74-0612
Fax [phone]
ACE INFO
APPROVED
FOR COMMANDER NAVFAC
ACTIVITY
SATISFACTORY TO DATE
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BRANCH MANAGER
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SCALE: NOTED
EPROJECT No.:
MAXIMO WORK ORDER NO.
7257960
NAVFAC DRAWING NO.
12866977
SHEET 11 OF 11
CG502
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DMWFORM REVISION: 10 MARCH 2O09
UNCLASSIFIED//FOR OFFICIAL USE ONLY