NCC220558_Site Plan or Location Map_20220128

GRADING & DRAINAGE NOTES
1. EARTHWORK QUANTITIES HAVE NOT BEEN ESTIMATED AND SIT
SHOWN IS NOT ASSUMED TO REPRESENT A BALANCED CUT/FI
CONDITION.
2. CONTRACTOR SHALL PERFORM HIS OWN ESTIMATES AND SHA
PROVIDE ALL EARTHWORK NECESSARY TO ACHIEVE THE DESIG
GRADE, INCLUDING ANY OFF -SITE BORROW OR SPOILS REQUIR
CONTRACTOR SHALL PROVIDE POSITIVE DRAINAGE IN ALL GRA
AREAS, INCLUDING PAVING, LAWN, AND LANDSCAPE AREAS.
3. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO ENGINEER
DISCREPANCIES FOUND BETWEEN ACTUAL FIELD CONDITIONS A
CONSTRUCTION DOCUMENTS AND SHALL WAIT FOR INSTRUCTIO
PRIOR TO PROCEEDING.
4. CONTRACTOR SHALL VERIFY LOCATION OF ALL UNDERGROUND
UTILITIES PRIOR TO BEGINNING WORK, BOTH PUBLIC AND PRIV
CONTRACTOR IS FULLY RESPONSIBLE FOR ALL UNDERGROUND
UTILITIES AND SHALL REPAIR ANY DAMAGE AS A RESULT OF
CONTRACT.
5. CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY TO
TRANSITION BACK TO EXISTING GRADE.
6. THE PROPOSED CONTOURS AND SPOT ELEVATIONS, SHOWN IN
DRIVES, PARKING LOTS, AND SIDEWALKS ARE FINISHED ELEVA
INCLUDING ASPHALT OR CONCRETE. REFER TO PAVEMENT CR
SECTION DATA TO ESTABLISH CORRECT SUB -BASE OR AGGRE
BASE COURSE ELEVATIONS TO BE COMPLETED UNDER THIS
CONTRACT.
7. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED ERO
CONTROL PLAN IS SUBJECT TO A FINE.
8. STABILIZATION IS THE BEST FORM OF EROSION CONTROL.
TEMPORARY SEEDING IS NECESSARY TO ACHIEVE EROSION CO
ON LARGE DENUDED AREAS AND ESPECIALLY WHEN SPECIFIC
REQUIRED AS PART OF THE CONSTRUCTION SEQUENCE SHOW
THE EROSION CONTROL PLANS. SEE EROSION CONTROL PLAN
DETAILS FOR ALL TEMPORARY AND PERMANENT SEEDING
SCHEDULES.
9. CROSS SLOPE OF SIDEWALKS SHALL BE 1 /4"/FT. (MAX).
10. PIPE LENGTHS SHOWN ON CULVERTS DO NOT INCLUDE FLARE
SECTIONS.
11. UNLESS OTHERWISE NOTED, THE PHYSICAL CONNECTION BETW
THE SITE ROOF DRAIN PIPE INSTALLED AND THE PIPE INSTAL
BY THE PLUMBING CONTRACTOR SHALL BE MADE BY THE SITE
UTILITY CONTRACTOR.
LEGEND
FY
FRONT YARD SETBACK
RY
REAR YARD SETBACK
SY
SIDE YARD SETBACK
RAN
RIGHT OF WAY
P.B.
PLAT BOOK
PG.
PAGE
PP
POWER POLE
RCP
REINFORCED CONCRETE PIPE
INV
INVERT
FFE
FINISHED FLOOR ELEVATION
TYP
TYPICAL
LOD
LIMITS OF DISTURBANCE
FES
FLARED END SECTION
LARGE CANOPY TREE
m
INLET PROTECTION
WATTLE
ROCK CHECK DAM
RIP -RAP APRON
DIVERSION DITCH
- - D
SLOPE DRAIN
DRAINAGE AREA
LIMITS OF DISTURBANCE
TREE PROTECTION FENCE
SILT FENCE
_LLLLLLLLLLLLLLLLLL
SLOPE MATTING
TOTAL DISTURBED AREA
62.00 ACRES
SEQUENCE OF CONSTRUCTION AND GENERAL NOTES - PHASE I
E AS 1. PROVIDE NOTICE TO TOWN OF CATAWBA AND CATAWBA COUNTY PLANNING Al
LL DIVISION EROSION CONTROL SECTION OFFICE TO SCHEDULE
PRE -CONSTRUCTION CONFERENCE PRIOR TO THE INITIATION OF LAND870
I
DISTURBANCE.
LL TEMPORARY DOUBLE ROW SILT FENCE (TYP.)
N 2. EROSION CONTROL PLAN APPROVAL CERTIFICATE WILL BE DISPLAYED AND A
ED. COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE AVAILABLE
DED ONSITE. TEMPORARY TREE PROTECTION FENCE (TYP.) //j��%M%ram J�oG
3. INSTALL CONSTRUCTION ENTRANCE/EXIT. r %%� ��-r"✓/ �� /'- �_--__�i I
ANY PROTECT ALL EXISTING ABOVE /ter >, / < •�' - ��n1- ,
NDS 4. INSTALL ABC STONE ON CONSTRUCTION ENTRANCE/EXIT DRIVE. AND UNDERGROUND UTILITIES/9- I I
i
5. PROVIDE MUD RAMP AT ALL CONSTRUCTION ENTRANCES.
Jf(`RIP-RAP APRON (TYP.) I I I
ATE. 6. INSTALL SILT FENCE AS SHOWN & MAINTAIN DAILY. �P� do �,, ,/ rJ �� f/fl y�-� J� OOQr�
�` / /, PQ- Fes/ / INSTALL PERMANENT
7. INSTALL DIVERSIONS AS SHOWN &MAINTAIN DAILY. ��c'oa�Qc,/�)� opy�/i Jv y�Q� / gp; 1STORM SEGMENT 8-7
THIS PROTECT ALL EXISTING ABOVE,� / i p /
AND UNDERGROUND UTILITIES Q� j, I . 1�t� / f , / i - -OCS8 ATTACHED WITH
8. CLEAR, GRUB, GRADE, AND INSTALL SITE SKIMMER BASINS. n . /�-
LINE SLOPE WITH S75. �� -2.0" SKIMMER & 1.75" ORIFICE
9. REQUEST INSPECTION OF INITIAL MEASURES FROM TOWN OF CATAWBA AND 01 j MATTING FROM NORTH 7 - - i �I I �I: \
CATAWBA COUNTY PLANNING DIVISION EROSION CONTROL SECTION OFFICE , ///. AMERICAN GREEN. TEMPORARY SEDIMENT BASIN 3 0 ,\
TEMPORARY DOUBLE ROW SILT FENCE (TYP.) i, 1 fr; I 51WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS8
PRIOR TO THE INITIATION OF FURTHER LAND DISTURBANCE.
�' J ram/ r TOP OF BERM = 870.00
TIONS TEMPORARY TREE PROTECTION FENCE (TYP.) gg�� %///' �� �j r -TOP OF SPILLWAY = 868.70 \
OSS / 3\ �< -SKIMMER INVERT = 865.50 \
GATE �, l{ // l2 1 12" DIA. SLOPE DRAIN{\ // BOTTOM OF BASIN = 864.50
INV. 868.00 j DA (PH1/PH2/PH3) = 4.72 AC/4.22 AC/6.34 AC,,(( 1
�3o/ TEMPORARY DIVERSION
_---
SION .' ' 2 1 � '� DITCH, ID. 31 r ~\ \<\
TEMPORARY DIVERSION
DITCH, ID. 11 s .� -f / ✓// �\ \` `l� I Irl \ \
_ ._ .� " .1 / DIA. -�� \ \ . ,, -� ✓Ny � � j\ �L ll jn\� ,� \ �'� �
NTROL i' ' °v , /////// 1 2 > /2 0 Sj{ �, \\\ �i �\l� �JS lJig, �
ALLY `b ..(� / r / f/// SLOPE DRAIN ` \ �, 1 / �I \ i�J \ ilo
N ON '� '`�" .-8�� �// Ilf INV. 879.00 z pf�j2, / 11 \�\l\�\I SP \
-/- LINE SLOPE WITH S75 // / \
/' / 1 MATTING FROM NORTH "" r-� r / TEMPORARY WATTLE \ �� �\tp� L
S / -gam yr //i// CHECK DAM (TYP.) \ 1 \� 1 TEMPORARY DOUBLE ROW SILT FENCE TYP. \�
S AND ► // 0 \ ., { \ l \
�. AMERICAN GREEN. \ / // J ;�i // \ \ ,� �i ( (TYP.)
I lily- J '�� � EMPORARY DIVERSION 2 \ � 1 � j/ �J�1 �� i `J`���5t 5 11 ` 1 � < < ( \ �
RIP -RAP APRON (TYP.) / i, /� DITCH, ID. 32 1 �' �/f 4 ) j / f � WSJf ` \
/' / b,� / 1 - / % � � \ - \ -� � `\ ✓ r '� 1 )1 \ 1 "TEMPORARY TREE PROTECTION FENCE (TYP.) �
INSTALL PERMANENT 36" DIA. SLOPE DRAIN
D END .
/ STORM SEGMENT 2-1 - \� / ) % l( �N1 D / INV. 8s7.00 , ^ oo�\ ' ) t \ (1yj)�»��I\
LEENED /� BAFFLES (TYP.)' �� / �= 1 TEMPORARY SILT FENCE OUTLET (TYP.)
r I
E OCS2 ATTACHED WITHo \C ! i ( 1-1
Ji
Jill
4.0" SKIMMER & 3.25" ORIFICE970\_0�,\
/ �01 / ` T
, TEMPORARY SEDIMENT BASIN 1 � � � EMPORARY WATTLE_ \ ✓ � �Z t,� � (lam \ / / � _,,�( (r1r4 � ` �!Q \
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS2 / CHECK DAM (TYP.) 1 1\ 1v \ \\ \\ 4 ; 'v)Ij S'
TOP OF BERM = 890.00 2 / / TEMPORARY DIVERSION
TOP OF SPILLWAY = 887.60
DITCH,
l / / ID. 21 \�\\ti o SKIMMER INVERT = 885.50\J \� ��� ^�\1\� �\
POTTOM OF BASIN = 884.50 ( c r �O \ _ ('�`\`� \� �� \ ,� _ rl ��_ - y N
i- TEMPORARY DOUBLE ROW SILT FENCE (TYP.) O� o
DA (PH1/PH2/PH3) = 22.12 AC/22.71 AC/20.87 AC\L� t . S
-920 "\ I \ \\\\ �4)t\�,s EMPORARY SILT FENCE OUTLET (TYP.) \ N
TEMPORARY TREE PROTECTION FENCE (TYP.)
18" DIA. SLOPE DRAIN -•' L1cY Qi \ �\ o� p_ t `�� ` \� j a
NV. 913.00Vk
30
,/ //// /// • / / / / / / 1 l) t \ OCS6 ATTACHED WITH (f v I
,� ' i j// / / ✓ S `3.0" SKIMMER/ & 12.25 ORIFICE )\oar
- LINE SLOPE WITH S75 ) I \ �< (
/ i �1)� jf ) MATTING FROM NORTH, 6 l / 5�`\ l \\ \ ) j /
/ / `/) i r S AMERICAN GREEN.' I,k k I ->7 d I \ i `1• %
30" DIA. SLOPE DRAIN / �� / / r / v � 1 f 2 RIP -RAP APRON (TYP.)I \
INV. 916.00 i/ 9_ ai / �95 / i f� J s \ o\
/ j 7 BAFFLES�TYP.) / l i Y } IN STORM MENLST PERMANENT
6-5
/ TEMPORARY DOUBLE ROW SILT FENCE (TYP.) / // / / Lu
0/ � v� � � \old/ !� / / J��ljsrl') )cif I I
2 1 TEMPORARY DIVERSION DITCH . 12 / / '� / / TEMPORARY DIVERSION % P>�
� L� IDDITCH, ID. 14 / / i / J l s TEMPORARY S_ ILT FENCE OUTLET (TYP.)
TEMPORARY WATTLE CHECK DAM (TYPO �' / r// ✓r�- / �� - / -J j l/� �J� / TEMPORARY SEDIMENT BASIN 2 0
LINE SLOPE WITH S75 \ f lS �. Yr. ,WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS6 I ��
MATTING FROM NORTH 0 / / / // STOP OF BERM = 912.00 I
LINE SLOPE WITH S75 {�>j�j / / / r// / / J ) I ) f % / / % >��TOP OF SPILLWAY = 909.20
/ / AMERICAN GREEN. ( / / SKIMMER INVERT = 907.50
/ / -' / / TEMPORARY DIVERSION" _ 2 / \ ( 1 / / %%/ r (SKIMMER
OF BASIN = 906.50 1
01 MATTING FROM NORTH % f�/ / / / / � � `
° / �' / DITCH, ID 13 / %
/ AMERICAN GREEN. l/ / 1 /a / / / s / -94 ` ) I 1 tl r J �� ! //( DA PH1 PH2 PH3 I
/ OCS10 ATTACHED WITH '� / // / �' / / j / // -�� 0 / \ I \ 1� / \ ) / � / / ) = 9.89 AC/9.34 AC/11.14 AC 1 1
2.0" SKIMMER & 1.75" ORIFICEiI( f // / / p / �/ j r f ` _ 940- r \ j I 1 /I (I ` ) ((1INE SLOPE
/ 1'„ _ 1 / 0� / r / s -� - - /� I ( { ( I / / I I )lill\\ / /) l�'MATTING FROM ITNORTH 01 1
( / I( / f I I Y / J ��L\ ) AMERICAN GREEN. 1 u
/ INSTALL PERMANENT / ( / ,� / / / / / i- _ \ \ () I )(� ` ((� { \ \\ d / J,� , , `
STORM SEGMENT 10-91,91 I
\ \L < TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \
RIP -RAP APRON
\\ TEMPORARY TREE PROTECTION FENCE TYP. �%
�\ � -_��/1 \�(> 11) �(l%(II \ \ S \��l� \� 11�. �,'l��fo� ( )
01 (D
TEMPORARY SEDIMENT BASIN 4 - 10 f J �' f- ( �g \ ` 11 \)fit TEMPORARY SILT FENCE OUTLET (TYP.) ` w
' WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS10 / r r ( `� / Sp \ \ \�1 \ ( < < yl�\� z
TOP OF BERM = 928.00,\) \ ) ( r' `
TOP OF SPILLWAY = 924.90 l\\� J / ) / / / (( / f ` - i \ \ Z ) QI \
SKIMMER INVERT = 923.50 \ / / / // I I \ cQ'fS} J INV DIA. SLOPE DRAIN 1 2 \
51«\ \ INV. 911.00
BOTTOM OF BASIN = 922.50 \ ` / i l / SO ! \ ( j ( \ (� t( (\�j t % ' W
I DA (PH1/PH2/PH3) = 4.65 AC/4.62 AC/3.81 ACC)\\\l�\` / / /> I j S lv{\ �JI�I I ?I ��/ i \`� Q
�r�� \} 11 I / l } f ter- �_ \ I f f f \ ; S l /
\� \ \ ! 1 \ \ ( ! l /�11 { r 14 (� 1 (4($ l i /r -- \ _
/ t I {/ )� } I)
/ 2 �1 024" DIA. SLOPE DRAIN ( )I ctDi� \ \ s� ` \ \ % J f r 1 J n�/l�� \`. �� Z
INV. 932.00 ( o� \ °�`o, \ ~ / JJ X. % ill�f� n �-
��
LINE SLOPE WITH S75 ul �� a
0 MATTING FROM NORTH \\ \ \ \ t \ I �^ \ \ f tJ ,� \ \11 \\ 1 (� -��yoa15 0 �,� ��-_� OJ
AMERICAN GREEN. \ \\\`9 \ \ \ `� \ -� \ \ -' r t 1 \ I !� t C i
/ TEMPORARY WATTLE CHECK DAM (TYP.) \` --/
/ RIP -RAP APRON (TYP.) \\ 11 \ = _ - \ ` / Z
\ \ TEMPORARY WATTLE r
60"� _ / I / ( ° EMPORARY DIVERSION DITCH, ID. 22 AU O
CHECK_ DAM (TYP.) l S 1 j I \ _/'-
INSTALL PERMANENT ` ` TEMPORARY DIVERSION r / r l 1 l TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \ Z STORM SEGMENT 12-11 =� \ DITCH, ID. 41 , \ � / , ) I Z J/ //� - i --, J J F -„- -/- �/ O
TEMPORARY TREE PROTECTION FENCE (TYP.) �` /-Ln
OCS12 ATTACHED WITH 3.0" \\ j // / f 1 2 I ) C 1 I I 1%/ / J t '` ;= �� = , \-/�' --/ O
ISKIMMER & 2.50" ORIFICE ((\ / J % �/ J \\ ` ((J (r{ \ Z \-/ '/ Lu
LO
Lp
° TEMPORARY DIVERSION )
�w \ DITCH, ID. 52 \
1 l �,�\ IS, 36" Q �
\ \ 01�\\1 \ 1 \ \ \ /
DIA. SLOPE DRAIN 2 \ rl \ \ 96n n \ It
TEMPORARY SEDIMENT BASIN 5 g - o,`'� \\� 4 INV. 937.00\
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS12 - FILL AREA - \ \ \ \ \\ y ✓ \ \ �' (n
z N / TOP OF BERM = 940.00 \\ \ELEVATON i \ \ \ \
> TOP OF SPILLWAY = 937.80
a SKIMMER INVERT = 935.50 S� \ \ \ \ 940.00r
\
BOTTOM OF BASIN = 934.50 _ f \ \ \\ 11 I I I \> // / O // / / / / 1 r✓ '/ /
Om DA (PH1/PH2/PH3) = 13.20 AC/14.41 AC/16.19 AC °'Ln
11111
TEMPORARY DIVERSION � i / / j / / / //// / /'1/ .'/
Ill
,!os°6o
///
,,'`�•�N CARO�j''%
ESS/p .�
SEAL �I =9 _
33292 = _
xl_,_ �
01/12/2022
z
a
O
��
Lr)
Z
J
rj
�
z
a-
O
z
a
w
J
Z
aJ�
Z
F-I
�
O
Lu
Q
N
w
cn
I-
Q
Q
�
V)
0
zpp
•
zoc�o�
z9oz�LL
F4
Lu
z��a
0
Z
r-)
w
Lr)
M
cV
N
M
O
H
N
m
a
o
'�
w
^
o
Y
�
w
�
U
Ib
N
M
0'3
N
r1
Ib
L
'�
C)
00
-1
00
�
M
0
w
L
o
w
u
Z)
m
M
�
o
'�
z
�
p
z
p
Lu
w
z
w
Q
o
o
o
a
0
J
Lu
Q
O
U
J
J
O
U
Z
Z)
00
`"
66
00
U
z
m
Q
Q
U
w
O
=
�
Z
Lu
�,
g
Z
Ln
C7
'�
n
00
U
z
m
Q
U
00
� �
Ln
0
a
z
O
OO
z
F
Z Z
w w
Z
0
O O a
� �
w Ld U
0 L
w
> >
� �
cV N
N N Q
N
CV O
o Sheet No:
TEMPORARY SILT FENCE (TYP.) z
--�__�- TEMPORARY CONSTRUCTION ENTRANCE (TYP.)
GRAPHIC SCALE
PROTECT ALL EXISTING ABOVE 1 inch = 150 ft.
--- % �- AND UNDERGROUND UTILITIES
/ 0 150 300 450 C501
I m -AMR--

GRADING & DRAINAGE NOTES
1. EARTHWORK QUANTITIES HAVE NOT BEEN ESTIMATED AND SITE AS
SHOWN IS NOT ASSUMED TO REPRESENT A BALANCED CUT/FILL
CONDITION.
2. CONTRACTOR SHALL PERFORM HIS OWN ESTIMATES AND SHALL
PROVIDE ALL EARTHWORK NECESSARY TO ACHIEVE THE DESIGN
GRADE, INCLUDING ANY OFF -SITE BORROW OR SPOILS REQUIRED.
CONTRACTOR SHALL PROVIDE POSITIVE DRAINAGE IN ALL GRADED
AREAS, INCLUDING PAVING, LAWN, AND LANDSCAPE AREAS.
3. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO ENGINEER ANY
DISCREPANCIES FOUND BETWEEN ACTUAL FIELD CONDITIONS AND
CONSTRUCTION DOCUMENTS AND SHALL WAIT FOR INSTRUCTIONS
PRIOR TO PROCEEDING.
4. CONTRACTOR SHALL VERIFY LOCATION OF ALL UNDERGROUND
UTILITIES PRIOR TO BEGINNING WORK, BOTH PUBLIC AND PRIVATE.
CONTRACTOR IS FULLY RESPONSIBLE FOR ALL UNDERGROUND
UTILITIES AND SHALL REPAIR ANY DAMAGE AS A RESULT OF THIS
CONTRACT.
5. CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY TO
TRANSITION BACK TO EXISTING GRADE.
6. THE PROPOSED CONTOURS AND SPOT ELEVATIONS, SHOWN IN
DRIVES, PARKING LOTS, AND SIDEWALKS ARE FINISHED ELEVATIONS
_' '/
6d . I
i
// / /
emu'' 870
'
/-✓ / J
TEMPORARY DOUBLE ROW SILT FENCE (TYP.) i _j�$co I
i v ' � /, • ram- l( �/$5� I
/s'� Ste•// o � � ,
TEMPORARY TREE PROTECTION FENCE (TYP.)
PROTECT ALL EXISTING ABOVE�<
AND UNDERGROUND UTILITIESIT r
/ RIP -RAP APRON (TYP.) I I I
p
TEMPORARY CONSTRUCTION ENTRANCE (TYP.) �PJJ �(o A
PROTECT ALL EXISTING ABOVE �,. a°` ,'� T` i °yam / / , / ^ - j Q
AND UNDERGROUND UTILITIES Q. V l 7
'0,
/ OCS8 ATTACHED WITH 1
%( ,� �1_
.0" SKIMMER & 1.75" ORIFICE
p TEMPORARY SEDIMENT BASIN 3 \
TEMPORARY DOUBLE ROW SILT FENCE (TYP.) �� I (��� I �r '$WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS8 1
TEMPORARY TREE PROTECTION FENCE (TYP.) TOP OF BERM = 870.00
gg0 74 'J 8 TOP OF SPILLWAY = 868.70 1�
INCLUDING ASPHALT OR CONCRETE. REFER TO PAVEMENT CROSS ' /�F' 4 72 SKIMMER INVERT = 865.50 \ \
SECTION DATA TO ESTABLISH CORRECT SUB -BASE OR AGGREGATE . / JS 4 ~ BOTTOM OF BASIN = 864.50
4
BASE COURSE ELEVATIONS TO BE COMPLETED UNDER THIS _
CONTRACT. �/ / �S DA ( 80 p8�/PH2/PH3) = 4.72 AC/4.22 AC/)l _4 AC 1 \
7. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION �. J�r`jl 81 _ 1 �ti �r<
CONTROL PLAN IS SUBJECT TO A FINE. / .1/ .A .. _f^'� 73 /� / 71 8 j�/!� )�lv,l � ;>�� �) c _
C.
BYPASS PUMPING FOR PERMANENT // / ,i - _ �� 82 2 \ IAl-
8. STABILIZATION IS THE BEST FORM OF EROSION CONTROL. CREEK CROSS CONSTRUCTION `"' 3 / ✓ j SLOPE -
TEMPORARY SEEDING IS NECESSARY TO ACHIEVE EROSION CONTROL i' �/ oa„1 s�' / / DRAIN (TYP.) S ` \\\} %r\ \1�il ✓S /
ON LARGE DENUDED AREAS AND ESPECIALLY WHEN SPECIFICALLY _i1 / �' ^( �--- r�/ - 1� / G j, / \\ \\ \�\1 �N, 11
REQUIRED AS PART OF THE CONSTRUCTION SEQUENCE SHOWN ON/',� `t/� �8��75
/ r \a\ \ 0 1
THE EROSION CONTROL PLANS. SEE EROSION CONTROL PLANS AND��
DETAILS FOR ALL TEMPORARY AND PERMANENT SEEDING , , / 5 '�j1� TEMPORARY DOUBLE ROW SILT FENCE TYP.
SCHEDULES. ' s' r' //r J� �� MAINTAIN DIVERSION 3 f " '�Nf�11 ` << ( ( \ )
_ f J j� ~_ ( / /fir 4�) 1)�%SJ f ?�?Sl
RIP -RAP APRON (TYP.)' \DITCH TYP.) �1
9. CROSS SLOPE OF SIDEWALKS SHALL BE 1 /4"/FT. (MAX). a / 1 / N' -` \ \ `� ! f )/ \ 1 TEMPORARY TREE PROTECTION FENCE (TYP.) \�
TEMPORARY INLET
10. PIPE LENGTHS SHOWN ON CULVERTS DO NOT INCLUDE FLARED END ' ' �o�/ r 90a % PROTECTION (TYP.)' 30
SECTIONS. ' / / t
� lb/ 20 21 /r - / 22 23 W ^24 ° ! \ \ 1 1 > IS��<<�J� 1Z/
11. UNLESS OTHERWISE NOTED, THE PHYSICAL CONNECTION BETWEEN ' BAFFLES (TYP.)' /� r n1� / I ` Jll/j/ �1 i 1 i( TEMPORARY SILT FENCE OUTLET (TYP.)
THE SITE ROOF DRAIN PIPE INSTALLED AND THE PIPE INSTALLED / I / /� _� Z f� f`r
BY THE PLUMBING CONTRACTOR SHALL BE MADE BY THE SITE ,' '� �$� \� / / / / 3 - 4 \ 1, \v\ O h,I1) »> �� ��� 3' /lt '4
OCS2 ATTACHED WITH,
UTILITY CONTRACTOR. / f j j / \ ic, ( ? I 2
LEGEND
FY
FRONT YARD SETBACK
RY
REAR YARD SETBACK
SY
SIDE YARD SETBACK
RAN
RIGHT OF WAY
P.B.
PLAT BOOK
PG.
PAGE
PP
POWER POLE
RCP
REINFORCED CONCRETE PIPE
INV
INVERT
FFE
FINISHED FLOOR ELEVATION
TYP
TYPICAL
LOD
LIMITS OF DISTURBANCE
FES
FLARED END SECTION
LARGE CANOPY TREE
m
INLET PROTECTION
Ne
WATTLE
ROCK CHECK DAM
RIP -RAP APRON
DIVERSION DITCH
- - D
SLOPE DRAIN
DRAINAGE AREA
LIMITS OF DISTURBANCE
TREE PROTECTION FENCE
SILT FENCE
_LLLLLLLLLLLLLLLLLL
SLOPE MATTING
TOTAL DISTURBED AREA
62.00 ACRES
North Carolina One -Call Center
SEQUENCE OF CONSTRUCTION AND GENERAL NOTES - PHASE II
1. MAINTAIN AND CLEAN EROSION CONTROL FACILITIES THROUGHOUT DURATION
OF PROJECT.
2. CLEAR & GRUB REMAINDER OF SITE.
3. SEED & LANDSCAPE SITE DISTURBED AREA.
4. INSTALL SECONDARY TEMPORARY CONSTRUCTION ENTRANCE OFF OF NC
HIGHWAY 10.
5. BEING & COMPLETE INSTALLATION OF PERMANENT CREEK CROSSING &
WALL.
6. BEING INSTALLATION OF PERMANENT STORM SEWER AND OTHER
UNDERGROUND UTILITIES AS SITE GRADING PERMITS.
7. INSTALL ADDITIONAL EROSION CONTROL MEASURES AS ILLUSTRATED ON
PLANS.
8. REQUEST INSPECTION OF INITIAL MEASURES FROM TOWN OF CATAWBA AND z!
CATAWBA COUNTY PLANNING DIVISION EROSION CONTROL SECTION
OFFICE/INSPECTOR PRIOR TO COMMENCING FURTHER LAND DISTURBANCE.
4.0" SKIMMER & 3.25" ORIFICE / 9 ° 2 25 5 N 1 r / 1,\ e� J /j/ \` ¢20,
TEMPORARY SEDIMENT BASIN 1 ✓
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS2 d- ) l�% f `�\� �\ 1v \ )I\
/ TOP OF BERM = 890.00
TOP OF SPILLWAY = 887.60 r�11 \ ���0� o
SKIMMER INVERT = 885.50 I / / / 27 26 g (���/ \�\ �iS» y/ Jam°', sS s\� �. POTTOM OF BASIN = 884.50 ( c 1 r ti ( `� \ ti ,c� N
DA (PH1/PH2/PH3) = 22.12 AC/22.71 AC/20.87 AC ,1 \ // / J f9 - ` \ �� ��ti \ v �f't TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \°l2 NN
\\\\V >1�S \� ,`TEMPORARY SILT FENCE OUTLET (TYP.)
' TEMPORARY TREE PROTECTION FENCE (TYP.) 2 /�o///,\\\� } \\\ �/ / N f
- 1 a-
_61\i1
28 8
/ //// / / • / / / / J l t e OCS6 ATTACHED WITH f I
f v W
/ S ,`3.0" SKIMMER & 2.25 ORIFICE
TEMPORARY INLET 1 1 J t' ( 6
PROTECTION TYP. Z J -RAP APRON TYP.
(TYP.) 3 63 1 L f { �.. ) \\ 8y
TEMPORARY DOUBLE ROW SILT FENCE (TYP.)-*/ 42 Lu
),( ^�'^
43 TEMPORARY SILT FENCE OUTLET (TYP.) 1 I
/ 53 l J Jf (tSr f / j< 1 � r v, '. _
� ,�
/ TEMPORARY WATTLE CHECK DAM (TYP.) // ✓ / _ �� _ 1 r l// �Jj / TEMPORARY SEDIMENT BASIN 2
0 1
�JI1 / // / / //r ✓ / r� J/s 3(� y� ,WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS6 I ��
4 64 J ^ ) /z/ TOP OF BERM = 912.00 I
APPROX. LOCATION {j� j / / / r ' / / _ 44 ) I / /f� TOP OF SPILLWAY = 909.20 1
/ r li( % / /(SKIMMER INVERT = 907.50 1
OF EXISTING POND/ / / / //' r - / ` / 1
4 � �� � / / r f l�1 JU I / � / j, BOTTOM OF BASIN = 906.50 I
_ � .94 ) J j ) j (� J / \r'� ) // /( DA (PH1 /PH2/PH3) = 9.89 AC/9.34 AC/11.14 AC 1
/ OCS10 ATTACHED WITH / / / / / / / EMPORARY INLET - /
' 2.0" SKIMMER & 1.75" ORIFICE ( J / / /s \ ~ \ ) /(/ (I / / j(�l Zf
/ / / t / / 52 PROTECTION (TYP.) 45 / I 1) j \\\ / ) r / o
' i I�f `%� It
65
aIIIII l I t / 3 \ 1 I III 1 \1����
RIP -RAP APRON TYP Ill! ( I i J / r ~ \1` \ TEMPORARY DOUBLE ROW SILT FENCE (TYP.) 1 \
�l 46 /� J \ \\\ \ \\� �I)� l\lnih(ti /� ��
TEMPORARY INLET y; �' (J) 1 \ `�\ \ ` \\\ 'TEMPORARY TREE PROTECTION FENCE TYP.
PROTECTION (TYP.) I J (x l \ 1 4\� ! \ \\ r�l (TYP.)
� (D
TEMPORARY SEDIMENT BASIN 4, 10 f 1 J �' f �- � 6 ., k � \\ l / \ S � � �\ � � )
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS10 / /r ( � / \,b L ( 11`< y2���tz ( TEMPORARY SILT FENCE OUTLET (TYP.) �� w
TOP OF BERM = 928.001\) / l 1 / // 6 �\ `, \ \ j vo Z Fg r` (l, ��//brl
TOP OF SPILLWAY = 924.90 1111 , I J 90 ) / / / r (� 1 - \ I Q \ Z ?NQ)\c��S�al'%/Ii \ ��
/ I I ) 1 F_
SKIMMER INVERT = 923.50�111\II I \ / / ! / f f l \ �qs 66 \ \) J/ Jl /� / w
I BOTTOM OF BASIN = 922.50 \ ` / i O ( j I C t( \� (�-
r) \S\l \ \ \ 91 l / /� � / i ..- ` \ I � j j 3 � { \ �l 1 � , r( r f )) � r- \� In
DA (PH1/PH2/PH3) = 4.65 AC/4.62 AC/3.81 AC\\\\ \ ( a
���,\��\1IllI J f 1� ! l /�11 {rI4�(�1 I ($ l i/r a
1 I 93 �\ \ ^ I r� li ,,, / /Il f \ 1 z
92 I �� /l/'/ t/ 1t11�0 1` Anc \�--
\ \ (.(ljI� (� r 1) s� g
%2a\\ \� 3 67 S iJ\\ rn iI ��yl IIt/ �` 'P�n J 1 9 r \ l� -� \ J 1 \\Ir 0�5 I � \ APPROX. LOCATION \ \ �e I A , 1� O OF EXISTING POND \ \\\`9 \\ \ \ 94 MAINTAIN DIVERSION - j ) j tJ \� �\ i t) ° m ) J�) -� O
-61 - \ �`\\� \ \ \ DITCH (TYP.) = `- f S (, ) TEMPORARY WATTLE CHECK DAM (TYP.) \
RIP -RAP APRON (TYP.) \\\ 11 \ \ \ \\ -` 4 ` L / a 1 1 1 /
\ \ \ , \ \ - -1 / ( 1 f ( ° MAINTAIN DIVERSION DITCH (TYP.) O
Z z S f 1> > a I I -_
z
1 \ S \ ( 1r ) 2 � %///� ,TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \ 1 /' / O
Z �� �i �) TEMPORARY TREE PROTECTION FENCE (TYP.) /-/- U]
OCS12 ATTACHED WITH 3.0" - \\ / 1 J/ / / j 1 - - ��` \ -�-- -/ O
ISKIMMER & 2.50" ORIFICE \\ /(\ J! 07 \� (( Ir )ram � \ Z \ 1 / - w
i -940
Lo
Lp
LQ
06 o \ \mil o � I\ \ I\ � ` \ � � � \ `'` -� 02 -- \\1 � (� \\� ���„ AZ ;
C TEMPORARY SEDIMENT BASIN 5
/ WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS12
z TOP OF BERM = 940.00 \
TOP OF SPILLWAY = 937.80
Q SKIMMER INVERT = 935.50 \ sp\ \ \ \ I\\
�o - BOTTOM OF BASIN = 934.50 _ f \ \ \ \ I I ` 0 03 �/ / / ) \ 02 �✓ co
rn
m / DA (PH1/PH2/PH3) - 13.20 AC/14.41 AC/16.19 AC \ \ \ \ I I I / / /
c= a \ \ \ ) I J I J I I TEMPORARY INLET
1 \ III I I \ PROTECTION (TYP.)/ , /'
\ \ \ \ 11 v 04 O
04 i
\ \ 1I \III
o
I Lri/�
CARO///�j''%
�
ESS/p� .��� SEAL �I =9 _
33292 = _
NG IN
01/12/2022
z
a
�'�/
O
��
Lr)
Z
J
"
�
z
�
O
z
a
w
J
Z
<
Z
>
O
Lu
Q
N
w
cn
I-
Q
Q
0
rN
Ln
Ch
•
�
zoc�o�
q
4
z9oz�LL.
I -I
w
Q
o
z0
0
�<
z���
w
Lr)
M
cV
Lu
90.
.�
/It
I I 0
\ � o
o Sheet No:
TEMPORARY SILT FENCE (TYP.) z
N
M
0
H
N
m
a
w
w
^
O
�
Cu
�
U
m
M
T'
0'3
N
r1
�
Do
C)
Lr)
o
O
00
V
�
M
o
w
O
W
o
Ln
M
II
}
00
CJI1
m
M
�
o
'�
z
O
�
0
z
0
Lu
w
z
w
a
o
o
o
a
cU)
0
J
U
Lu
J
13-
J
a
O
�
O
U
00
w
00
Z
Z
OV)
U
O
U
Z
2
Ln
Z
m
0
m
Q
Q
00
Z
`"
akD
Lu
'�
U
U
66
�,
n
g
0
� �
Ln
0
a
z
O
Z
OO
TEMPORARY CONSTRUCTION ENTRANCE (TYP.)
GRAPHIC SCALE
PROTECT ALL EXISTING ABOVE 1 inch = 150 ft.
AND UNDERGROUND UTILITIES 0 150 300 450
C50
I -AMR--
z z
w w
Z
0
O O a
of 0
V)
Lu
w w
� �
cV N
N N Q
N
CV C5

\\\���1111111
GRADING & DRAINAGE NOTES SEQUENCE OF CONSTRUCTION AND GENERAL NOTES - PHASE III loe,� \``.�� CARO//B''%,
ESIS/0
1. EARTHWORK QUANTITIES HAVE NOT BEEN ESTIMATED AND SITE AS 1. MAINTAIN AND CLEAN EROSION CONTROL FACILITIES THROUGHOUT DURATION]
SHOWN IS NOT ASSUMED TO REPRESENT A BALANCED CUT/FILL OF PROJECT.
CONDITION. $$u��' 870 I I _ _ SEAL
2. SEED & LANDSCAPE SITE DISTURBED AREA. I i /� , I = _ 33292
2. CONTRACTOR SHALL PERFORM HIS OWN ESTIMATES AND SHALL TEMPORARY DOUBLE ROW SILT FENCE (TYP.) I I J.�/ �a64^, �,�
PROVIDE ALL EARTHWORK NECESSARY TO ACHIEVE THE DESIGN 3. COMPLETE INSTALLATION OF PERMANENT STORM SEWER AND OTHER I v /� l o �,GINS
GRADE, INCLUDING ANY OFF -SITE BORROW OR SPOILS REQUIRED. UNDERGROUND UTILITIES AS SITE GRADING PERMITS.GRP�
CONTRACTOR SHALL PROVIDE POSITIVE DRAINAGE IN ALL GRADED TEMPORARY TREE PROTECTION FENCE (TYP.)%M%r/CO
AREAS, INCLUDING PAVING, LAWN, AND LANDSCAPE AREAS. 4. STABILIZED UPSTREAM AREAS AS SITE COMES TO FINAL GRADE.
3. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO ENGINEER ANY 5. COORDINATE WITH EROSION CONTROL INSPECTOR FOR FINAL CONVERSION OF PROTECT ALL EXISTING ABOVE r/~i, ?< ''
DISCREPANCIES FOUND BETWEEN ACTUAL FIELD CONDITIONS AND SEDIMENT BASINS TO PERMANENT PONDS. AND UNDERGROUND UTILITIES f /r ��0 �j'� /� /9_
CONSTRUCTION DOCUMENTS AND SHALL WAIT FOR INSTRUCTIONS
PRIOR TO PROCEEDING. 6. AFTER ALL AREAS HAVE BEEN STABILIZED AND TOWN OF CATAWBA &
CATAWBA COUNTY STAFF APPROVAL, REMOVE ALL TEMPORARY EROSION
1 p RIP -RAP APRON (TYP.) I I
4. CONTRACTOR SHALL VERIFY LOCATION OF ALL UNDERGROUND CONTROL DEVICES AND STABILIZE ALL AREAS DISTURBED DURING REMOVAL Py ,�� / F��O' '(� 1�\ p��� AS UPSTREAM AREAS ARE STABILIZED, I 01/12/2022
UTILITIES PRIOR TO BEGINNING WORK, BOTH PUBLIC AND PRIVATE. AND FILLING. �� L / � Q- ~'" fly ��
CONTRACTOR IS FULLY RESPONSIBLE FOR ALL UNDERGROUND ����p Oei/ ��P f w y�P� COORDINATE WITH SITE INSPECTOR TO
UTILITIES AND SHALL REPAIR ANY DAMAGE AS A RESULT OF THIS PROTECT ALL EXISTING ABOVE �,. , ���op` T- i o / / COVERT SEDIMENT BASIN TO FINAL BMP. \
CONTRACT. AND UNDERGROUND UTILITIES Q�. I y /� i- OCS8 ATTACHED WITH `
5. CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY TO �" ' �r �.; r`� 7 0" SKIMMER & 1.75" ORIFICE
TRANSITION BACK TO EXISTING GRADE. TEMPORARY SEDIMENT BASIN 3
TEMPORARY DOUBLE ROW SILT FENCE (TYP.) .' \ / (�� _ COS '' '$WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS8 , \ Z U 00
6. THE PROPOSED CONTOURS AND SPOT ELEVATIONS, SHOWN IN , _ TOP OF BERM = 870.00 J
DRIVES, PARKING LOTS, AND SIDEWALKS ARE FINISHED ELEVATIONS TEMPORARY TREE PROTECTION FENCE (TYP.) 'gg0 74 �J 8 TOP OF SPILLWAY = 868.70 \ `� Z J U 0
INCLUDING ASPHALT OR CONCRETE. REFER TO PAVEMENT CROSS /) f' 4 72 SKIMMER INVERT = 865.50 \ Z Z U
Fomm
SECTION DATA TO ESTABLISH CORRECT SUB -BASE OR AGGREGATE / JS 4 BOTTOM OF BASIN = 864.50 g
BASE COURSE ELEVATIONS TO BE COMPLETED UNDER THIS 4 DA (PH1/PH2/PH3) = 4.72 AC/4.22 AC/6.34 AC 1 W W z
CONTRACT.
moo/ /1 rf ,, 70 80 , -
//W,/�/
f l ( \
7. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION �./ r�r , - �81 1 '' { �` Ur I..I > V,
CONTROL PLAN IS SUBJECT TO A FINE. �/ / / ��%% 73 71 )�lyl>�r�) �c -_ _ Z U U') I ,--1 N
7 i _ r \ (r1 {jCLC j r� 4( \ ` I -I 0 W Z O N
8. STABILIZATION IS THE BEST FORM OF EROSION CONTROL. '/�- //�1� �4�� ram" 3 // 82 2 1 �j(,1`j`4\� N\ �` a W Q a
TEMPORARY SEEDING IS NECESSARY TO ACHIEVE EROSION CONTROL ,- / o„\ f4 / 84 146 S� \\\ �i��\1t< �✓S p I a
op
ON LARGE DENUDED AREAS AND ESPECIALLY WHEN SPECIFICALLY , y j �b „(� f 1`\1 v� a �J rN
REQUIRED AS PART OF THE CONSTRUCTION SEQUENCE SHOWN ON ��',' It�'t v /� 75 75 83 147 _r r�>\°\ \\\,,1`\ \ %>> O Cz , 0 ON
THE EROSION CONTROL PLANS. SEE EROSION CONTROL PLANS AND �' / ./\ "s �\ , ,\\�'�,t L
DETAILS FOR ALL TEMPORARY AND PERMANENT SEEDING 7 5 82 83 3 148 - TEMPORARY DOUBLE ROW SILT FENCE (TYP.) Z DC O
SCHEDULES. ' ✓ r,Nip (t ( \ ` � ~ � ~
�� �,� RIP -RAP APRON (TYP.)' 49 I�) )�`i13 )`;l;i f Sf, �� ('� Z Z W
9. CROSS SLOPE OF SIDEWALKS SHALL BE 1 /4"/FT. (MAX). a 1 \ 1 TEMPORARY TREE PROTECTION FENCE (TYP.) \� -I
79 80 150 1 b ((� ) I I j I J ` /„ / ( • OC Z z u
10. PIPE LENGTHS SHOWN ON CULVERTS DO NOT INCLUDE FLARED END �� . of / 68
�/ 22 23 _ - 30 l� �N j I \ �I IS (/ W a
SECTIONS. / .� i 20 21 0 151 I (f1�)�)� W 0
i - ) i / c 0
11. UNLESS OTHERWISE NOTED, THE PHYSICAL CONNECTION BETWEEN ' BAFFLES (TYP.) �� r - 152/I/�/�11�1?� TEMPORARY SILT FENCE OUTLET \TYP.) z ~
THE SITE ROOF DRAIN PIPE INSTALLED AND THE PIPE INSTALLED I / �Sp_ U 0 ,--I
BY THE PLUMBING CONTRACTOR SHALL BE MADE BY THE SITE \� _ 3 - _ ¢ 153 t ��' (� 3 //� V`t ���(Io \ \
UTILITY CONTRACTOR. / OCS2 ATTACHED WITH, 1 ) j lt^ G W
"t J. 65 / � 85 �
4.0" SKIMMER & 3.25" ORIFICE 2 4 , 25 5 / �\ �� 111/i�Os� M
I
LEGEND
FY
FRONT YARD SETBACK
RY
REAR YARD SETBACK
SY
SIDE YARD SETBACK
RAN
RIGHT OF WAY
P.B.
PLAT BOOK
PG.
PAGE
PP
POWER POLE
RCP
REINFORCED CONCRETE PIPE
INV
INVERT
FFE
FINISHED FLOOR ELEVATION
TYP
TYPICAL
LOD
LIMITS OF DISTURBANCE
FES
FLARED END SECTION
LARGE CANOPY TREE
m
INLET PROTECTION
Nlte
WATTLE
ROCK CHECK DAM
RIP -RAP APRON
DIVERSION DITCH
- -
SLOPE DRAIN
DRAINAGE AREA
LIMITS OF DISTURBANCE
-0­0
O O O
TREE PROTECTION FENCE
SILT FENCE
_LLLLLLLLLLLLLLLLLL
SLOPE MATTING
4
t l / - -� L I
TEMPORARY SEDIMENT BASIN 1 / / 686 1442�9�0\
87 WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS2 63 o \\ \` 4 ; ��)) j "_ s
TOP OF BERM = 890.00 2 7 143 t \ \\ (`��}
TOP OF SPILLWAY = 887.60 ) Il / 62
/ SKIMMER INVERT = 885.50 142 0 \ r
27 7 26 6 157 �� \~ ��\ \}» `rl �J�iw �\ �sy S\` o
�. POTTOM OF BASIN = 884.50 i / ` c�
I 61 9`L TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \O N r_'
DA (PH1 /PH2/PH3) = 22.12 AC/22.71 AC/20.87\oAC
90 140 �\ )0� ��\� \TEMPORARY SILT FENCE OUTLET (TYP.)
/ TEMPORARY TREE PROTECTION FENCE (TYP.)
• i �...�
2 160 �o L\cY �� l �, \ \ 1°~ �� \ �` I 1
AS UPSTREAM AREAS ARE STABILIZED,
COORDINATE WITH SITE INSPECTOR TO / / 57, r 62 161 61 60 j ��� \\\ l(C1 `� ��1\� i ` t �` \ I I Y O
COVERT SEDIMENT BASIN TO FINAL BMP. // 93 137 <� I Z` } }`i`t �^�\ \/ l \ 1 I U w
28 8 lCL Z i 1 w o
{iiil)s1 �`�a
//// /// • / "" ' t ` e 3CS6 ATTACHED WITH { � I U
55 95 13- S ,`3.0" SKIMMER & 2.25 ORIFICE } 7 f �\ \ I �^
f 164 J 6 t.( 5'\\! ��°�<`( \ f j %�/ �% �` ' as N
40 0 0 41 3 63 165 { R P-RAP PRONE (TYP.) \\ �l \ ``, t \ 1 � o
9. 53 97 cQ { 1 ) 1 ti 15 ' I >o\ cp \ o\ I C? T' o
COS2� 50 2 133 � M
TEMPORARY DOUBLE ROW SILT FENCE TYP. / // / 52 42 0 166 I / t AS UPSTREAM AREAS ARE STABILIZED, 1 w w rn n o w
/ ( �� 98 132 a, % COORDINATE WITH SITE INSPECTOR TO I I o Ln Lu
COVERT SEDIMENT BASIN TO FINAL BMP. I ­1
=,� �j� 0 51-
99
' / J 168 / s TEMPORARY SILT FENCE OUTLET (TYP.) I 00 `� w u-
/ 0 43 3 0 / J ( 1/ j< �r w I z p O
0 0 / 1/ y J� ��_� /))ll l 1 z p J w
/' TEMPORARY WATTLE CHECK DAM (TYP.) 0 TEMPORARY SEDIMENT BASIN 2 1 1 < w U
, �"5 / r 49 _ 129 ! y� WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS6
fq 64 70 ✓ ` Qq, TOP OF BERM = 912.00 I
/
' 3 i 48 / �q, TOP OF SPILLWAY = 909.20
��(SKIMMER INVERT = 907.50 1 APPROX. LOCATION { j T i / 44 _ 128 I j / 1
%(' 1
/ OF EXISTING POND / / / / 47 4 f7 // )],BOTTOM OF BASIN = 906.50 1
3 j \ !) // //( DA (PH1/PH2/PH3) = 9.89 AC/9.34 AC/11.14 AC
OCS10 ATTACHED WITH j / / s / 46 26
/ f / / / 52 i 45 45 / / �l Z'r %//o
/ 2.0" SKIMMER & 1.75" ORIFICEII( f / / / f 7 / J / / o
4 1 t 25
S3
111 °Ir/)t 3 3 f 2 24 R \\\� \L��\'`` TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \
RIP -RAP APRON TYP.) 23 1 ` 7 )\\\` ko �� ��) Z < lm�
�/ / 4 41 46 \\ \ II} i /
/ 22 (� \�\ 'TEMPORARY TREE PROTECTION FENCE TYP. % w J
�Gi,� 9 / 1 0 _ 1 7/ \ S 1\�l\�`\\!�\ \j 4\��. �,'oo' ( ) \ a o J
TEMPORARY SEDIMENT BASIN 4 10 3 9 6 } `
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS10 11 ` 2� ��tz TEMPORARY SILT FENCE OUTLET (TYP.) \ uj 2 �D V'1
Lu
TOP OF BERM = 928.00,\) 7Zy cS >>I� Ir` o��j �� U N� �
' TOP OF SPILLWAY = 924.90 \\ 90 / 1 1 \ \ \�� I \
l 1 I / 7 osi ) Q) � �' S��a ti �;b%///�/ ' � � � pz c� O
SKIMMER INVERT = 923.50� 1,\1( \ l 1 19 66 1 t \ ))J/)/ll�J } / r�///�/�/� ♦` w V) Z 2
BOTTOM OF BASIN = 922.50�)\\\l`\ \ 91 / /� 18 \ 7 ( I j j \ { 1���t(\��5 < f!)) , �� � o }
DA (PH1/PH2/PH3) = 4.65 AC/4.62 AC/3.81 AC�\\\ + 3 / ; �� I rl / � Q oC
z,S `1\ 7(I�( ( 6 v $ l f /�11{r(41((1r(4($ /'/� �\ a = X
AS UPSTREAM AREAS ARE STABILIZED, !, ZI \\�) ) 1 r >� 16 \ 81 / l / r I I )) l �. 0� ¢ �
COORDINATE WITH SITE INSPECTOR TO \`\\ 1\ I 5 93 �? 15 7 `� / / J r f l ^�/l /� /(�, /fl/' ` �I �• Z uNi a w
COVERT SEDIMENT BASIN TO FINAL BMP. �\ \'�`' 24 92 `o� 14 8 I (/ Jj %/ -,. I //l. 1 �_ (� �� U
\�\ �, 1 1f, � (l
%2a- �\ `k\ \ 3 �� r 67 $ S f ( 1\ \ !�( ���9 (I�t�l �' ��, a 00 g
/l APPROX. LOCATION �9 `� ` \ .e ` t 4 } 1 \ \ 1 o o ` \ a �' - _ 0'
` OF EXISTING POND \ \\�`9 \\ l \ g¢ `'� \ q - 8 U r t i tJ ( \\ �\ I !) i AID `` 0 � I1�
w
' RIP -RAP APRON (TYP.)\\� \ \ 4 \ o \ S (fI ) TEMPORARY WATTLE CHECK DAM (TYP.) \ ``� // z Q
\ \\\ 11
s7 1 C t I !) //
2 ~ $ )! �� �/ /� �� 1 rIJI/ Jul /, /. U z
,TEMPORARY DOUBLE ROW SILT FENCE (TYP.) \ 1 /'� /�� OZ O
0 �
O
0 �
Z 00
N
g u
Ln Z
C7 m
o a
n
N
n
1 0 Z �/ /i r /_'/JJ 1•-�� 1 � �
�� \ 9 ` ( 9 (� ) %/// / TEMPORARY TREE PROTECTION FENCE (TYP.) /-U] w
OCS12 ATTACHED WITH 3.0" \ 8 I 9 ( {) / % / / �� `- ` \ / _ / O U z
07 \ \ ( ; i/I L t ` = 1 1 - �/ w O O
I SKIMMER & 2.50" ORIFICE � � 6 C II (rll l)"�.� \ { \ 1 /
\\ \ \ 5 Lp
51
( /
101 4\ 0 y i\ I / •
m m
� \
/ I � o-96
ld\\�
AZ
o i TEMPORARY SEDIMENT BASIN 5 g - o,`� 02 I ` 194} \ 1 ` /�' F
WITH PERMANENT OUTLET CONTROL STRUCTURE, OCS12 - \ \ 5 \ \ \ U) w w
z o / TOP OF BERM = 940.00 \ \\ �1 6 \ \\ \ ./ z m :2 z
TOP OF SPILLWAY = 937.80
a SKIMMER INVERT = 935.50 �� \ S \ \\ ✓ °`�' 1 \ L1 ) ,�/ /' O O
O
BOTTOM OF BASIN = 934.50 0 03 \ 02 �✓ co
rn
Om DA (PH1/PH2/PH3) = 13.20 AC/14.41 AC/16.19 AC _ \ \ 19 / V)
t AS UPSTREAM AREAS ARE STABILIZED, \ \ \ \ v / / 200 w p p w
COORDINATE WITH SITE INSPECTOR TO 04 ,�w w Lu
COVERT SEDIMENT BASIN TO FINAL BMP. '960 \ \` \I ( \ 04 / 201 ° _!__� �>
w w
I � S � j I I \ \ / �
102
0 ) I I `) \� 5/ 05 „t_2 3 7
I N
4/ 0 20 �/ /pS" N��/''/ II I N N Q
L 1 z
6 00
o Sheet No:
TEMPORARY SILT FENCE (TYP.) z
_*w G TEMPORARY CONSTRUCTION ENTRANCE (TYP.)
GRAPHIC SCALE
PROTECT ALL EXISTING ABOVE 1 inch = 150 ft.
,- AND UNDERGROUND UTILITIES
/ 0 150 300 450 C503

8'-0' MAX. STANDARD STRENGTH FABRIC WITH WIRE MESH
-'I 6' MAX. EXTRA STRENGTH FABRIC WITHOUT WERE MESH I�
MINIMUM ED GAUGE
LINE WIRES
FRONT VIEW
STEEL POST
NOTE,
WERE MESH
1. DRAINAGE AREA CANF•7T EXCEED 1/4 ACRE
SILT FENCE FABRIC
PER 100 FEET OF FENCE.
2. DO NOT INSTALL SILT FENCE ACROSS
FILL SLOPE
'ro,
STREAMS, DITCHES. WATERWAYS DR OTHER
-FLOW
AREAS OF CONCENTRATED FLOW.
3. SLOPE LENGTHS CANNOT EXCEED CRITERIA
N
SHOWN IN TABLE 6.62A OF THE NORTH
CAROLINA EROSION AND SEDIMENT CONTROL
GRADE
PLANNING AND DESIGN MANUAL.
4. REMOVE SEDIMENT DEPOSITED WHEN
81 MIN
DEPOSITS REACH APPROXIMATELY 1/2 OF
THE HEIGHT OF THE SILT FENCE.
5. SEE NCDENR EROSION AND SEDIMENT
N 4' MIN,
CONTROL PLANNING AND DESIGN MANUAL FOR
CONDITIONS WHERE PRACTICE APPLIES[
PLANNING CONSIDERATIONS & DESIGN
CRITERIA.
SIDE VI
12-1/2 GAUGE
�DIATE WIRES
-p
ESC-1 TEMPORARY SILT FENCE
EFFECTIVE l0l9312013
2' MIN
COMPACTED
W
-IlilI= I in - a,
COT OR FILL SLOPE _
�\ Y .�
6 TYPICAL
Ifl =11�"
IIII=11' ORIGINAL GRADE
illll=ill'
=IIII'=
CRASS SECTION
NOTE,
I. CHART TO BE COMPLETED BY DESIGNER
2. SEE NCDENR EROSION AND SEDIMENT CONTROL PLANNING
AND DESIGN MANUAL FOR CONDITIONS WHERE PRACTICE
IFS; PLANNING CONSIDERATION S DESIGN CRITERIA.
DITLH ID
TYPE
WIDTH (W)
DEPTH (d)
SIDE SLOPE
FLOW (0)
TYPE
VELOCITYtS75*
2
(PARABULIC,
(S)
(CFI)
cV) (Fps)ORTH
V.
AN
TRAPEZOIDAL)
11
TRAPEZOIDAL
13 FEET
24 INCH
3:1
12.78
6.78*
12
V-DITCH
12 FEET
24 INCH
3:1
5.66
4.315*
13
TRAPEZOIDAL13
FEET
24 INCH
3:1
9.84
6.735*
14
TRAPEZOIDAL16
FEET
24 INCH
3:1
19.96
8.070*
21
V-DITCH
12 FEET
24 INCH
3:1
5.58
3.87*
22
TRAPEZOIDA
14 FEET
24 INCH
3:1
14.07
7.610*
31 V-DITCH 12 FEET 24 INCH
3:1
0.72
2.40*
32
V-DITCH
12 FEET
24 INCH 3:1
7.72
4.935*
41
V-DITCH
12 FEET
24 INCH 3:1
10.83
5.23*
51
APEZOIDA
16 FEET
24 INCH 3:1
17.71
8.250*
AWBA
52
V-DITCH
12 FEET
24 INCH 3:1
13.73
4.935*
;o
-
TEMPDRARY DIVERSION UI1CH
EFFECTIVE, 1010V2013
Hnr€s,
1. CONSTRUCT THE ENTRANCE TO THE SLOPE DRAIN OF
A STANDAR➢ FLARED -END SECTION OF PIPE W17H A
MINIMUM 5-INCH METAL TOE PLATE (CROSS-SECTION
VIEW)- MAKE ALL FITTINGS WATERTIGHT. A
STANDARD T-SECTION FITTING MAY ALSO BE USED
AT THE INLET,
2. USE AN EARTHEN DIVERSION TO DIRECT SURFACE
BERM
RUNOFF INTO THE TEMPORARY SLOPE DRAIN. MAKE
THE HEIGHT OF THE BERM OVER THE DRAIN CONDUIT
A MINIMUM OF [-5 FT AND AT LEAST 6 INCHES
HIGHER THAN THE ADJOINING BERM ON EITHER SIDE -
THE LOWEST POINT 13F THE DIVERSION BERM
SHOULD BE A RENINUM OF I FT
HOLD-DOWN STAR
ABOVE THE TOP OF THE DRAIN $0 THAT DESIGN
FLOW CAN FREELY ENTER THE PIPE.
3. PROTECT THE OUTLET OF THE SLOPE DRAIN FROM
EROSION WITH REPRAP DISSIPATOR-
4. SEE NCDENR EROSION AND SEDIMENT CONTROL
PLANNING AND DESIGN MANUAL FOR CONDITIONS
WHERE PRACTICE APPLIESI PLANNING CONSIDERATION
3 DESIGN CRITERIA,
qrA'
y
PLASTIC
_
CCRRMATED
I
PIPE
i
-AEiL iZE
�
I
OUTLET
I
ESC-16
4' MIN.
LEVEL SECTION
CROSS-SECTION VIEW
34
_ 1.5" y MIN.
TEMPORARY SLOPE DRAIN
TINLET
. y
PLAN VIEW
STANDARD
T-SECTIDN
NOTE'
1. ENSURE THAT CULVERT ENTRANCES BELOW THE CHECK DAM ARE NOT
SUBJECT TO DAMAGE OR BLOCKAGE FROM DISPLACED STONES.
2, THE DRAINAGE AREA IS LIMITED TO ONE HALF ACRE
3. EXTEND STONE AT LEAST 1.5 FEET BEYOND THE DITCH BANK TO KEEP
WATER FROM CUTTING AROUND THE ENDS OF THE CHECK DAM,
4. DO NOT USE CHECK DAM IN INTERMITTENT OR PERENNIAL STREAMS,
5. SEE NCDENR EROSION AND SEDIMENT CONTROL PLANNING AND DESIr N
MANUAL FOR CONDITIONS WHERE PRACTICE APPLIESU PLANNING
CONSIDERATIONS 14 DESIGN CRITERIA.
CROSS-SECTION VIEW
MATTING/ L =THE DISTANCE THAT POINTS
S TA SIL IZAT ION A AND B ARE EWAL ELEVATION
A L 8,
PROFILE VIEW
A'A
_
Esc-3 TEMPORARY CHECK DAM �e
EFFECTIVE, 10/01l2013
= �.
.IiiA•lp&g6181MpRii!laaa!!ai•!laaRla•I•a!!a!!!Tu
ler�iPa61MfRTIiBB�.alaa>.!!ar•!!!aala•r•.!la.a!■
.•1gN1MFiB#Ra16rK,.�
�.•....,.��..�� �.1.........M
FRONT VIE1� II
NOTES HURT WIRL FENCE, FILLER
FABRIC, AND HARDWARE
I. REMOVE SEDIMENT WITH HALF OF STONE OUTLET CLOTH IN TRENCH
IS COVERED.
2. REPLACE STONE AS NEEDED TO ENSURE STEEL POST SET
DEWATERING M. 2' APART MIN
3. SEE NCDENR EROSION AND SEDIMENT CONROL 2' INTO SDL ID GROUND
PLANNING AND DESIGN MANUAL FOR CONDITIONS STEEL POST
WHERE PRACTICE APPLIES; PLANNING
CONSIDERATIONS 5 DESIGN CRITERIA- WOVEN WIRE FABR
HARDWARE CLOTH•
SECTION
VIEW
NCBUi 05 DR
1157 WASHED STONE
I6, MIN.
3' FILTER FABRIC APRON
A`N
BURY 6' UPPER EDGE OF
FILTER FABRIC APRON IN TRENCH
BURY WIRE FCNCE AN
HARDWARE CLOTH
Esc 12 SILT FENCE OUTLET
TO
BITCH
IW CONSTRUCTION
TEMPORARY SILT -ACCESS
FENCE OUTLET
SEE DETAIL CSC-12 2•
MIN.
1. DIVERSION DITCH SHOULD FLOW INTO
SEDIMENT ROCK CHECK BAN. SLOPE
DRAIN, OR OTHEBASIN,R APPROVED MEASURE.
2, SEE NCDENR EROSION AND SEDIMENT CONTROL
PLANNING AND DESIGN MANUAL FOR
CONDITIONS WHERE PRACTICE APPLEESI
PLANNING CONSIDERATIONS DESIGN CRITERIA,
SLOPE STABILITY
50, MINIMUM AND
Sl1FFICI€NT TO KEEP
SEDIMENT ON SITE
NOTE,
ao�o�ia$�pa°oo�ov � d
v �ppp dvvov o v p`l7o a p
1, SILT FENCE SHOULD BE INSTALLED TO ENSURE
r
a
n
c
12' MIN OR FULL WIDTH
OF ALL POINTS OF THE
CONSTRUCTION ENTRANCE IS USED.
2- IF CONDITIONS ON THE SITE ARE SUCH THAT
3' WASHED STONE
VEHICULAR ENTRANCE
THE MUD i5 NOT REMOVED 8Y THE VEHICLE
c o
AHB EXIT AREA,
WHICHEVER TS GREATER
TRAVELING OVER THE STONE, THEN THE TIRES
OF THE VEHICLE MUST BE WASHED BEFORE
oo �ppdauopbOp p
ENTERING THE PUBLIC ROAD OR THE LENGTH OF
THE CONSTRUCTION ENTRANCE EXTENDED.
van v ap BoSpo$ a
3, SEE NCDENR EROSION AND SE➢EMENT CONTROL
PLANNING AND DESIGN MANUAL FOR CONDFTIONS
WHERE PRACTICE APPLIES[ PLANNING
�SILT
CDNS[DERATION & DESILN CRITERIA.
PLAi1
FENCE
EXISTING ROADWAY 35' MIN.
15' MiN, NEW CONSTRUCTION -- - -
��IN
12,MIN.
6' KIN. ,:'$A':. nv�v o v� v v a p
pa. _
v a v p iF
II IIIII '�1�=lllli
Ii411=
`I�I^IIIiI-11117
TAIL=
L-FABRIC CINDER STDNE
CROSS SECTION
Esc-4 TEMPORARY CONSTRUCTION ENTRANCE Ti r
EFFECTIVE 10/01/2013
F CLASS B RIP RAP (SEE SECIION
THROUGH BASIN BELOW)
�/-
�
-RIP RAP HEADWALL
NCDDT •5 OR 457 WASHED STON[.
1•-0• THICK X 3'-0' HIGH MINIMUM.
scpl„r*r sr
a
PERSPEC i 1 VE VIEW' Nf]TES•
1 I. SEE NCDENR ERGSIUN AND SEDIMENT CUNTRO�
PLANNING AND DESIGN MANUAL FOR COND[IIOr,
RIP RAP WHERE PRACTICE APPLIESI PLANNING
F100D STORAGE HEADWALL LONSIOERATTONS S DESIGN CRITERIA
ZONE
:DlMENT STORAGE PIPE
- I• ..��•+- 3 INVERT 11 _l
TONE r
GRQ-NATURAL b1NN___
CLASS B RIPRAP
MAXIMUM SEDIMEN7 DEPTH / NCDDT •) OR 057 WASHED SHINE.
(CLEAN OUT POINT)
SECTION THROLI[IH CATCH BASIN. T71LTER AND gULVERT PIPE
L.irs.�.r�►ry Un
ESC-13 HORSESHOE INLET PROTECTION w
EFFECTIVE- 1.101/2013
PVC END PVC ELBOW
CAP
WATER SURFACE
PVC END
CRP SCHEDULE 40
PVC PIPE
FLEXIBLE HOSE
PVC ICE
PVC PIPE
HOLES IN
UNDERSIDE
r SCHEDULE 4D
PVC VENT J PVC PIPE
PIPE r
ORIFICE
PLATEPLATE
PVC TEE
BOTTOM SURFACE
FRONT VIEW
ARM ASSEMBLY -
'C' ENCLOSURE
PERSPECTIVE VIEW4C7�
WATERENTRY
uNlt
NOTE,
1 SEE NCDENR EROSION AND SEDIMENT CONTROL
PLANNING AND DESIGN MANUAL FOR CONDITIONS
WHERE PRACTICE APPLIES; PLANNING CONSIDERATIONS
L ➢ESIGN CRITERIA. Ai � , ? SKIMMER MUST BE TETHERED ATB
1 sE-iI SKIMMER S �
EFFECTIVE- l0/a/0112013
CLASS 'A' STONE
8 IN. MIN. DEPTH
z
O
F-
QQ
� cc
NOTE
a o a) =
.
z
CL Z
�c¢D< o
1.
PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE
TRUCKS.
Fxzw
2.
LOCATE ENTRANCES TO PROVIDE FOR UTILIZATION
ILL
_J
BY ALL CONSTRUCTION VEHICLES.
z
c-
3.
MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT
TRACKING OR DIRECT FLOW OF MUD ONTO STREETS.
0- o
PERIODIC TOPDRESSING WITH STONE WILL BE NECESSARY.
LU
4.
ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE
CLEANED UP IMMEDIATELY.
5.
LOCATE GRAVEL CONSTRUCTION ENTRANCE AT ALL POINTS OF
INGRESS AND EGRESS UNTIL SITE IS STABILIZED. PROVIDE
FREQUENT CHECKS OF THE DEVICE AND TIMELY MAINTENANCE.
6.
NUMBER AND LOCATION OF CONSTRUCTION ENTRANCES TO
W
BE DETERMINED BY THE ENGINEER.
V
7.
USE CLASS 'A' STONE OR OTHER COARSE AGGREGATE APPROVED
2
BY THE ENGINEER.
o cc
S.
INSTALL CONSTRUCTION ENTRANCES IN A WAY TO PREVENT VEHICLES
W
FROM BYPASSING CONSTRUCTION ENTRANCE LEAVING PROJECT SITE.
Z
z W
cc
� C]
O
�
z
[A3 Z
U
�
❑ J
W
ir >
a
NOTE:
PLACE GEOTEXTILE FOR DRAINAGE BENEATH STONE
cc
SHEET 1 OF 1
1607.v1
SEDIMENT BASIN
DESIGN CRITERIA
DRAINAGE
AREA >10 AC.
(ACRES) <100 AC.
MIN.
LENGTH TO
WIDTH RATIO 2:1
MAX.
LENGTH TO 6:1
WIDTH RATIO
PLAN VIEW
IBA>flE5 PER NOTES:
1. REFER TO NCESCPOM
SECTION /8.61 FOR
ADDmo.0 DESIGN
SPECIFICAONS
LENGTH SEDIMENTnBASINSEGARDINO
INFLOW
10' 2. FIRST BAFFLE B TO BE
MIN. CONSTRUCTED OF RIP -RAP.
WITH A YIN. OF 3'
AND MIN. TOPMIMOTHDTH OF 2'.
3. FLASHOWD RISER NOT
PERMITTED FOR USE IN
_ THE CRY OF CHARLOTTE
5ER 4. SKIMMER INVERT ELEVATION
= BASIN BOTTOM + V
MIN.
SKIMMER
MIN.
1800
AVERAGE AREA*
DEWATERING
S. H - SPILLWAY ELEVATION
VOLUME
(CU. FT.
WIDTH =
DEVICE
- SKIMMER INVERT
REQUIRED
PER AC.
LENGTH
ELEVATION
DISTURBED)
. AREA OF BASIN WATER
SURFACE AT TOP OF PRIMARY
MI
MIN.
N.
435
SPILLWAY
SURFACE
(gQ, FT,
AREA
PER CFS
REQUIRED
Q10)
CROSS-SECTION VIEW
PAP BERM; SEE NOTE 13
1' FREEBOARD
yy
6" MAX. DEPTH OF FLOW
OVER EMERGENCY SPILLWAY
EMBANKMENT
INFLOW
MIN. 1'
�T
PRIMARY SPILLWAY (RISER)
MIN.
Z
DEWATERING
ZONE
H
EMERGENCY
FILTER FABRIC
_
SPILLWAY
CLEANOLIT
SPECIFY SEEPAGE
DEPTHaAnu
H X 1.5
CONTROL MEASURES
("/2)
'
(s' MIN.)
NOT TO SCALE
DATA BLOCK
STORAGE
BASIN
(PHASE 11)
DRAINAGE
AREA
ACRES
DENUDED
AREA
ACRES
0'.
BASIN
VOLUME
BASIN SURFACE
AREA
CLEANOl1T
(FT.)
H 2
H
(FEET)
Z
(FEET)
L
(FEE)
i
(FEEr)
(FEW ET)
SKIMMER
PIPE
DIAMETER
SKIMMER
ORIFICE
DIAMETER
REQUIRED
CUBIC FT.
R
CUBIC FT._(SO
-REQUIRED
FT.
PROVIDEDDEPTH
SO FT.
1
22.71
22.71
94.58
40,883
144.841
41.141
73,560
1.05
2.1
4.5
N/A
2.4
10
4.0"
3.25'
2
9.34
9.34
36.88
16,808
SM042
16.914
49,500
0.85
1.7
4.5
N/A
2.8
10
3.0"
2.25'
3
4.22
4.22
17.57
7,507
33,950
7,545
12,800
1.60
3.2
4.5
N/A
1.3
10
2.0"
1.1.
4
4.62
1 4.62
19.25
8,323
22.107
1 8,375
16,928
0.70
1.4
4.5
N/A
3.1
10
2.0"
1.75"
5
1 14.41
1 12.79
60.00
1 25.935
63,082
1 26,098
29,744
1.15
2.3
4.5
N/A
2.2
10
3.0"
2.50'
SEDIMENT BASIN
NOT TO SCALE
NOT TO SCALE
D
JLL NYYRVVCU
PRESERVATION P
REQUIRED RADIU'.
OF TREE 13ARRIE
PLAN VIEW OF ROOT_ZONE
ONE25X GENERAL NOTES:
AREA 1. DRIVE W STEEL POST AT
OUTLET ZONE 251111 LEAST 24" INTO SOLID
OF SURFACE AREA GROUND.
\ 2 USE STAPLES 1' APART
HORIZONTALLY AND VERTICALLY
TO ATTACH THE FILTER FABRIC
x TO THE WIRE FENCE.
\\ 3. MINIMUM BAFFLE SPACING IS
x TV.
\ 4. THE FLOOR OF THE BASIN IN
THE OUTLET ZONE AND
BERMS SHOULD BE SEEDED
IMMEOIATELY AFTER THE BASIN
IS CONSTRUCTED.
x
5. REFER TO NCESCPDM SECTION
#6.65 FOR ADDITIONAL
SPECIFIATIONS.
otjt
NOTES
1. REMOVE ALL BARRIERS UPON COMPLETION OF PROJECT.
2. LANDSCAPING AND/OR EROSION CONTROL PLANS SHALL
SHOW THE LOCATIONS OF ALL TREE PROTECTION FENCES.
3. REFER TO TOWN OF CATAWBA STANDARDS FOR GENERAL
SPECIFICATION REGARDING TREE PROTECTION.
ONE FOOT FOR EACH
1 /
INCH OF TRUNK DIAMETER
OR 1/2 HEIGHT OF TREE
FOR PRUNING SEE WHICHEVER IS GREATER
INTERNATIONAL SOCIETY 6' MINIMUM WIDTH
OF ARBORICULTURE SPECS.
um
DEAD TREES AND SCRUB OR UNDER o
GROWTH SHALL BE CUT FLUSH WITH
ADJACENT GRADE NO GRUBBING
ALLOWED UNDER DRIP LINE.
2"x4" STANDARDS + 1"x4" RAILS
OR ORANGE SAFETY FENCING
MAY BE USED. =1 11-
L 1L�
I- -111-1
.;
TREE PROTECTION DETAIL
NOT TO SCALE
PIPE OIA
A
RIPRAP
PLAN
TYPICAL CONC.
FLARED END
SECTION
ISOMETRIC VIEW L0
SLOPE 0
OUTLET
do (in)
d50 (Fr)
dmax (FT)
La (it)
W (M)
T (ft)
CLASS
FES1
24
0.40
0.60
14
18
0.20
8
FES20
36
0.60
0.90
20
23
1.35
8
FES40
30
0.50
0.75
16
18.5
1.13
8
FES50
30
0.50
0.75
16
18.5
1.13
8
FES5
24
0.40
0.60
14
18
0.20
8
FES60
36
0.60
0.90
20
23
1.35
8
FES7
24
0.40
0.60
14
18
0.90
8
FES70
24
0.40
0.60
14
18
0.20
8
FES80
24
0.40
0.60
14
18
0.20
8
FES9
24
0.40
0.60
14
18
0.90
8
FES90
24
0.40
0.60
14
18
0.90
8
FES11
1 24
1 0.40
1 0.60
1 14
1 18
1 0.20
8
FES100
1 36
1 0.60
1 0.90
1 20
1 23
1 1.35
1 8
o V)
6' BARK MULCH, PLACE ENRK IJ-I
MULCH AT AREAS MOT Q
PROTECTED BY BARRIER.
J
z
0
z
O
V)
0
LLI
=11 � III�IL�I�P•'�ili9
��4��.: ��F�.,��)
�•i�ii��
_
•
•
* dmax = 1.5 x d50 INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION.
** W = La + do/12
*** T = 1.5 x dmax BUT NOT LESS THAN 10"
Q nNOT
RIP -RAP APRON AT PIPE OULET
TO SCALE
CARO1//
����FESS/p•�
SEAL
= 33292 = _
9 NGINE�-`':�`�'�
01/12/2022
Ln
r n
V
zJ��
zz
z
O
a
a
w
J
z
<
I -I
Z
.-I
r ^
V
1--,0
�
N
wcnQ
�
Q
♦C
'I
Q
0
a
V)
��
•
zoc�o�
z�zz�LL
t�
1�
Lu
z�F-4a
0
Z
w
Ln
M
cV
r-I
N
M
O
H
N
�
rH
a
DO
LD
�
❑
LL
w
O
ULu
W
N
U
tb
n
M
N
Ln
Ln
00
LnM
O
LJJ
w
rH
rn
Ln
w
(D
M
m
M
W
z
I.L.
O
Q
>z
z
z
❑
J
W
z
w
Q
o
Lu
o
`TITITJ
a
o
cU)
a
(D
J
U
W
J
J
0
Q
o
o
W
U00
00
w
J
z
U
O
g
U
00
Ln
66
z
m
Q
U
2
Z)
LL1
�,
g
Ln
(D
_
n
z
m
Q
00
1
�
W Ln
a
z
O
Z
O
am
(n
V 1
LLJ
z
O
0
o
Ln
w
U
Lr)
Lu
LaL
�LLJ
W
0
W
Lu
N
�
N
C5
Sheet No:
C50

ENE
DEW--.-
�.
NOTE:
ANCHOR ALL PUMPS AND PIPES SECURELY
BYPASS PUMPING
NOT TO SCALE
SILT FENCE AS NEEDED
VEGETATIVE BUFFER
f
MEDIA (SEE NOTE 2)
NOTE:
1. PRIOR TO INSTALLATION, MANUFACTURER SPECIFICATIONS OF FILTER MEDIA SHALL BE PROVIDED TO
THE EROSION CONTROL INSPECTOR FOR APPROVAL AND USE. DISCHARGE FROM FILTER MEDIA SHALL
MEET OR EXCEED THE PROVISIONS OF THE CLEAN WATER ACT.
2. ENSURE THAT PUMP PRESSURE DOES NOT EXCEED FILTER MEDIA PRESSURE RATING.
3. FILTER MEDIA MAY BE, BUT NOT LIMITED TO, SAND MEDIA FILTRATION DEVICES,
RATED FILTER FABRIC BAGS OR POLYMER BASED DEWATERING PRACTICES.
4. PUMP STRAINER SHALL NOT BE IN CONTACT WITH BOTTOM OF POND.
EROSION CONTROL DEWATERING
NOT TO SCALE
36" MIN. SPACING TYP.* /
n
A"
ALTERNATE wnl I
CONF
0
1
12" MIN.
SPACING TYP.*
!� �I jff WATER TABLE
�11
OVERLAP
IN SLICE
10SE
SUCTION HOSE
VVION
TOP OF BANK
WORK AREA
LEVEL
POINT
KEY/ANCHOR MATERIAL AT
TOP OF SLOPE.
GENERAL NOTES:
1. LAY BLANKETS LOOSELY AND
STAKE OR STAPLE TO MAINTAIN
DIRECT CONTACT WITH THE SOIL.
DO NOT STRETCH.
2. * DIMENSIONS SHOWN ARE
MINIMUM, MANUFACTURED
PRODUCTS MAY HAVE ADDITIONAL
REQUIREMENTS THAT MUST BE
MET.
3. SLOPE SURFACE SHALL BE FREE
OF ROCKS, SOIL CLODS, STICKS,
GRASS. MAT/BLANKETS SHALL
HAVE GOOD SOIL CONTACT.
4. THE DETAIL SHOWN IS FOR
SLOPE MATTING. FOR CHANNEL
OR PIPE OUTFALL MATTING
SPECIFICATIONS PLEASE REFER
TO NCESCPDM STANDARD #6.17
AND MANUFACTURER'S
GUIDELINES.
NON -WOVEN GEOTEXTILE FILTER CLOTH
FABRIC 4' ABOVE SOURCE WATER.
KEY/ANCHOR MATERIAL TO TOE OF SLOPE.
EMBANKMENT
BANKMENT MATTING DETAIL
NOT TO SCALE
I IN
Ld
TABLE OF DIMENSIONS
D
T
A
B
C
E
L
WT.
12"
2-1/4"
4"
2'-0"
4'-1"
2'-0"
6'-1"
730
15"
2-1/4"
6"
2'-3"
3'-10"
2'-0"
6'-1"
730
18"
2-1/2"
9"
2'-3"
3'-10"
3'-0-
6'-l"
1190
24"
3"
10"
3'-8"
2'-6"
4'-0"
6'-2"
1770
30"
3-1/2"
1'-0"
4'-6"
1'-B"
5'-0"
6'-2"
2380
36"
4"
V-3"
5'-3"
2'-11"
6'-0"
8'-2"
5320
42"
4-1/2"
V-9"
5'-3"
2'-11"
6'-6"
8'-2"
5920
48"
5"
2'-0"
6'-0"
2'-2"
7'-0"
8'-2"
7470
54"
5-1/2"
2'-3"
5'-6"
2'-10"
7'-6"
8'-4"
8810
60"
6"
2'-6"
5'-0"
V-3"
8'-0"
8'-3"
11180
66"
6-1/2"
3'-0"
6'-0"
2'-3"
8'-6"
8'-3"
12530
72"
7"
3'-0"
6'-6"
1'-9"
9'-0"
8'-3"
13980
GENERAL NOTES:
31 Stopf
1.
SEE FORMER NCDOT STANDARD 310.01 FOR DETAILS.
o
�0
2.
REINFORCEMENT SHALL CONFORM TO THE REQUIREMENTS
a
OF REINFORCED CONCRETE PIPE OF LIKE DIAMETER PER
AASHTO M170, TABLE 2, WALL B.
T
I t
3•
ALL CONCRETE TO BE 3600 P.S.I COMPRESSIVE STRENGTH.
SECTION
1'_6"
4.
PROVIDE TONGUE OR SPIGOT JOINT AT INLET END SECTION.
5.
PROVIDE GROOVE OR BELL JOINT AT OUTLET END SECTION.
SEE STD. 20.23 AND 20.24
6.
THE DIMENSIONS FOR END SECTIONS SHALL SUBSTANTIALLY AGREE
WITH THE TABLE. MINOR VARIATIONS WILL BE PERMITTED BASED
ON THE MANUFACTURER'S STANDARD FORMS AND TEMPLATES.
4"
7.
NOT TO BE USED IN NCDOT MAINTAINED RIGHT OF WAY.
I
ITl E IT� r �
END VIEW
END
SECTION
[FLARED
0( )NOT
TO SCALE
GADt Ni D STiLF3IIl7A`IION ANT) MATFRTM S HANDIING PRACTRJS FOR ODMMANCEWrM
TFF:N[IIII [I)NSTRTI('R0N(ANMI,PfM1rr
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the N[001 (bristru ct ion General Permit (Sections Eand F, respectively). The.
permittee shall comply with the Frosion and Sediment Control plan approved by the
delegated au(hority having jurisdiction. All details and specifications shown on this sheet
may not apply depending on site conditions and the delegated authority having jurisdiction.
S> LTM R (MLJND S,TABR 17ATTDIN
Required Qound %tabilization Tirueframes
Stabilize within this
Site ArEa Description
many calendar
Tvtiv�
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
7
hluuc
perimeter slopes
(b) High Quality Water
7
None
(HQW) 2bnes
(c) Slopes steeper than
If slopes are 10' or less in length and are
3)
7
not steeper than 2:1, 14 days are
allowed
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
-7 days for perimeter dikes, swales,
(d) Slopes 3:1 to 4:1
14
ditches, perimeter slopes and HQW
Zones
-] 0 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, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longer than 90 calendar days after the last land disturbing
activity. Temporary ground stabilization shall be maintained in a manner to render the
surface stable against accelerated erosion until permanent ground stabilization is achieved.
GR OLD4D STABHHA'ITDN SPECIFIC`AIUN
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabfllxadon 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 • Gcote xtile fabrics such as permanent soil
• Rolled erosion control products with or reinforcement matting
without temporary grass seed • Hydroseeding
• Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered
• Plastic sheeting with mulch
• rfvrm and evenly distributed ground cover
ficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erusiorr cuirtruI products with gr ass seed
P0I.YICRYIANM1N (PAMS) AND H00a LANTS
I. Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NCDWR List of Approved PAMSIFlocculanis.
2. Apply flocculants at or before the inlets to Eirosion and Sediment Control Measures.
3. Apply flocculants at the concentrations specified in the NCDWR List of Approved
PAMSIRocculants and in accordance with the manufacturer's instructions.
4. Provide poIf din g area for containment of treated Stormwater before discharging
offsite.
5. Store flocculants in leak -proof containers that are kept under storm -resistant cover
or surrounded by secondary containment structures.
NCG01 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19
EQUIPi1 HAND V1IRCIEMAPZHNANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
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 properly dispose 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 center that handles these materials.
WEEK BUIPING MATIRIALAND LAND C FARENG WASIE
I, rie,&r ktry 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 domestic wastes.
3. Locate waste containers at least 50 feet away from 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 directly to a storm drain, stream or wetland.
Cover waste containers at the end of each workday and before storm events or
provide secondary containment. Repair or replace damaged waste containers,
6Anchor all lightweight items in waste containers during times of high winds.
7_ Fmpty wact.e cnntaa�iners as !Leeded to prevent overflow_ (lean up immediately if
containeg,�=nth
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINTAND Of>l-ER11QtM WASIE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters Unless no other alternatives are reasonably available.
3. Cbnmin liquid wastes in a controlled area.
4. Cbntainment must be labeled, sized and placed appropriately for the needs of site
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
I'f )RTNBIETOIFEIS
1. histall portable toilets on level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. if 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravelpad 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 sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.
f1NSITE CONCRETE WASHOUT
STRUCTURE VITH LINER
I
�• r°�' a snnu 0
o J 0
r
VEIL�Q�r.Y �.0 i M L9rKl[ M,fWr
a i,[ mI•[fr wort lTwC••ra •mi ryl�1�rO'R 11 srna�r.n aiwi x rrr�uo
x •wrrn •.a n• �o-n r.a rw n• u•o w.,v �..o
n]• MAW* 1•t d M 1'rRCrIKt �Itl•� i!p R M rl•ICiIIK�
�� cam m Ara• uca•rc
ELM rdn. waKm Km • r..a•
Pam` -wm "" f� en ,r .s,•.. rip
ABOVE GRAVE 4WUT STRUCTURE
09NCREIE WA,SH0UTS
1. Ib not discharge concrete or cement slurry from 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 item and in
addition place the mixer and associated materials on impervious barrier and within
lot perimeter silt fence.
4. Install temporary concrete washouts per local requirements, where. applicable. Fan
alternate method or product is to be used, contact your approval authority for
review and approval. If local standard details are not available, use one of the two
types of temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. St.ormwater accumulated 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 inlet(s) closest to the washout which could receive
spills or overflow.
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 by the
approving authority.
8. Installat least one sign directing concrete trucks to the washout within the project
limits. Post signage on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75%capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance
caused by removal of washout.
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 on
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 in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement 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 of the 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 maintenance needs for the measure,
6. Description, evidence, and date of corrective actions taken.
(3) Stormwater
At least once per
1. Identification of the discharge outfalls inspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SDOs)
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event 2: 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
of the following shall be made:
and within 24
1. Actions taken to clean up or stabilize the 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 least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased 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 of corrective actions taken, and
accessible)
event> 1.0 inch in
2. Records of the required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit.
(6) Ground
After each phase
1. The phase of grading (installation of perimeter E&SC
stabilization
of grading
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
timeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement
FAR HEN 57i7C14q EN ANACEMEgT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet away from 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 stockpile within the time frames provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization'
as vegetative, physical or chemical coverage techniques that will restrain aci, F&C,
erosion on disturbed soils for temporary or permanent control needs.
NORTH CARO LI NA
Environmental Quality
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION B: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on 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
plan. This documentation is required upon the
initial installation of 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
plan 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
plan or complete, date and sign an inspection
plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, 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.
plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation to be Kept on 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 of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
3. Documentation 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 II, 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 of the 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 conditions 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,
(e) Velocity 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 of the United States.
11HRB10DES, PISTT(IDF� AND RODI1VTT®FS
I . 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
passible or where they may spill or leak into wells, stormwater drains, ground water
or surface water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
IAZAFd)OUS AND 'iIOMC WASTE
[. ❑-eate designated hazardous waste collection areas on -site.
2. Plauc hazardous waste containers undercover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground
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 quantities 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.
(d) Anticipated bypasses and unanticipated bypasses.
(e) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. Reporting Timeframes 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 tmeframes 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
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
• Within 24 hours, an oral or electronic notification.
deposition in a
• Within 7 calendardays, a report that contains 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 -by -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.
(b) Oil spills and
• Within 24 hours, an oral or electronic notification. 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(b)-(c) above
A report at least ten days before the date of the bypass, if possible.
(c) Anticipated
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
Within 24 hours, an oral or electronic notification.
(d) Unanticipated
bypasses [40 CFR
Within 7 calendardays, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
Within 24 hours, an oral or electronic notification.
with the conditions
Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and if the noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environment[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(1)(7)]
prevent reoccurrence of the noncompliance. [40 CFR 122.41(1)(6).
• Division staff may waive the requirement for a written report on a
case -by -rase basis.
NCGO1 SELF -INSPECTION, RECORDKEEPING AND REPORTING
-+' NORTH CAROLINA
i+ Environmental Quality
EFFECTIVE: 04/01/19
CARO\\\�ttlllllll///////
ESS/0Z SEAL
•�
_ = 33292 = _
9 INE�-`':�`�'�
01/12/2022
Lf)
N
Z
00
Z
Z
J
a-
O
Z
a
a
LU
J
z
<
Z
l�
>
(r'1
N
>-
O
I-
Q
i�QV)���
zpp
O
C/��IO�42:
z�ZZLL
t�
l�
wQ0�?
z��a
0
Z
�
rn
-I
LU
Lr)
M
N
n
r-I
N
O
N
0
N
0
z
r-;
af
a
J
H
l)
J
O
Z
O
U
Z
O
1-1
to
W
Sheet No:
N
M
0
C7
N
a
<
m
�
LL
W
n
O
ULU
LU
N
U
M
016
N
,--I
Ln
Ln
00
-I
Do
M
C)�
W
Q`
Ln
W
m
M
w
z
LL
Z
p
O
>
Z
LULUZ
W
Q
o
LU
o
a
tUii
U0
(n
W
0
0
a
Z
O
I -
a
U
O
J
J
W
d 0)
= 0
U 00
Z U
O Z
l) Q
Z)m
00 a
lD �
N Q
U
66
00
0)
r-I
Lr)
W
Z
O
U
J 0
J 0)
O
w z 00
N
o g U
M V) Z
Q� (D m
X O
J
J ,-I
LU N (VVJ
Y N
am
C505