NCC241936_MODIFICATION Supporting Doc (OTHER ESC REVIS)_20250218 (2)

Docusign Envelope ID:7C1AF271-7081-434C-ADC7-CCD2B4B4F1D3
IC10
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/\ EROSION CONTROL LEGEND
SYMBOL DESCRIPTION
Xo. Xo. BAFFLE
— ' a SILT FENCE,TYP. 3 G / ' �/ i LOD LIMITS OF DISTURBANCE
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(WATTLE,TYP. SF SILT FENCE
ssF SUPER SILT FENCE
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I r 6 101
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\ PERMANENT CULVERT.REFERENCE SHEET \\\ Y
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\ DEWATERING TIME=2.87 DAYS i - e -
I� I A-V\ \ ' I/ /\� I II STONE BEDI W/ER ON
2"ORIFICE,
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IO \ / I \"�� \ \\/ 55 60 65 "oo j 1 II " " / I( DEWATERING TIME=3.35 DAYS S �,
>TD )
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-44 \ /) �� SSB-3 I I BOTTOM EL.=40.0
45'x105' I I IIII III r- DAM EL.=43.5 �aT< / ti1
' J TD-3D BOTTOM EL.=41.0 I l/ III III ) XX SPILLWAY LENEL.D .0 gal 44 \ \ /
- -V / \ ) RAIN GAUGE& / DAM EL.=44.5 I T f I / I SPILLWAY LENGTH=21' \ - I /
tia / -V I\ \ / PERMITS BOX � 4 \\ I I I \ 44J
/ SPILLWAY EL.=43.0
SPILLWAY LENGTH =13' SLOPE DRAIN 3
I - I LIMITS OF DISTURBANCE,TYP. 24"HDPE W/ ( /
\ ✓ / \ e INSTALL TEMPORARY INLET PROTECTION
� \ b DITCH LINER ONCE �V ail /
° ^s SURCHARGE IS IN PLACE, o / ` IIII ROCK LINED CHANNEL
I / -V I Nbi ( \ l SEE TABLE ON SHEET C6.52 \ III I r SLOPE DRAIN 5 SILT FENCE OUTLET,TYP.
\ -V 1 d \ r� I 18"HDPE W/
- I ��\ \ �- ° / `� I INLET PROTECTION
\ -V / / 46 �45 /
(� 47 I ( \ l \\\
I M j TD-3C \_ I REGRADE EXISTING DITCH
PARKING AND STAGING AREA 0 7 l WITH NORTH AMERICAN I f \\`Jrl/
I l ) � � 48 � r I � a \ l� � °p0000000000000
( \ / 4 �� I ,^� GREEN P550 DITCH CA
J 49
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50 \ °r 4$ I I �/ tib \\\ o°=o°O�ESS/Q
\1/ EQUAL.MAXIMUM 7 DAY 1, a \ ° ° ° o
J/ ` ' \ 51 " J� IIIII I STABILIZATION REQUIRED. / / / V �\�� o o "k SEAL �9 °o
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56 \" �` -\ - _ / \ \ /\ \ 1/22/2025
'rD PERMANENT CULVERT.REFERENCE SHEET
\ -V ( 57 �/` �� \ C4.06 STORM DRAINAGE AND GRADING PLAN. L / \ - 0-46,
Z \ \ / o / I INLET PROTECTION,TYP.
/^ \ \/ \\ \ 7T .�5' / \ � \ 50 \-45—
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O I / \ ) �" I / 6 AREA TO BE ADDED TO J\
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121� �� / 'V � / � � � I 61 SURCHARGE AS PART OF
� ,� STAGE 3 EROSION CONTROL
\ ) I 62 45 (11,890.05 SF) I
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PROTECTION,TYP. 6 � \ \ 6 \ 12"HDPE ON LL 1
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LO / / \ I - /_ / TEMPORARY DIVERSION, \����\\ / os ` I III INLET PROTECTION ! \ SILT FENCE&TREE
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\ ` [V MIN.0.5%SLOPE,TYP. ° n\�\\\�\� y G /� / I \ PROTECTION,TYP.
04 \ / -V ` I / \ J � I TEMPORARY DIVERSION, \/ ` _46
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I \ / / / I �` \ ° ° `65 6 5 5� `\�� III GREEN P550DE ID DITCH LNG LIINEA OITCH IRA PROVED EQUTH NORTH AL.
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(v I I 1 \ ) ( AREA TO BE ADDED TO 0 5 0 45 \�� I / \ \ \✓
SURCHARGE AS PART OF \ �� I MAXIMUM 7 DAY STABILIZATION REQUIRED.
TD 1 STAGE 3 EROSION CONTROL rD S I SILT FENCE,TYP.
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(11,983.74 SF) REPLACE SILT FENCE AT THE TOPCl) l
_ \/I \ "� / I / I 1 \�/ �45 TD-2C , I ° OF SLOPE OF THE REGRADED
L \ I \ \ f r �45 INSTALL TEMPORARY
\ I DITCH ONCE COMPLETED.
DITCH LINER ONCE a
SLOPE i DRAIN 1 , SURCHARGE IS IN PLACE,
- -
r -V / / I f - J ) \ 24"HDPE W/ INSTALL TEMPORARY SEE TABLE ON SHEET C6.52
I I I ( 1 \ \ - / v/ INLET PROTECTION DITCH LINER ONCE III a
`SURCHARGE IS IN PLACE,
SSB 1 I
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W / I BOTTOM �
EL. 41.0 °
DAM EL.=44.5
SPILLWAY EL.=43.0 1 TD-2E N _
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- 1 1 TD 2F �� <^ III I SLOPE DRAIN 4
Qi 2"DIA.SKIMMER ON / \ /
ewe - 1 ) 65 60 55 50 'r III - - - INLET PROTECTION
I ��' I \ STONE BED W/1.75"ORIFICE, ��_� ��
W o / DEWATERING TIME=3.06 DAYS ROCK LINED '� I - - - h / \
/�� I \ 1 CHANNEL - - - �i ( Cn
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BAFFLES,TYP. OHO
/ s - APPROXIMATE LOCATION OF SILT BAG
Z I \ / / // I < &PUMP W/FLOATING INTAKE,TYP. I ROCK LINED CHANNEL CHECK DAM,TYP. TD 4B
Z I L > I SKIMMER OUTLET PIPE ON EXISTING GRADE, °l` al<
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uJ 60'x120'sue/ o I / / \��� SSB-2 la III BOTTOM EL.=41.0 `V y
a � \ � \ I I� r ` S , o I III DAM EL.=44.5 I
BOTTOM EL.=41.0 \ O
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(�/ J � SPILLWAY EL.=43.0��\� < -45_ I � SPILLWAY LENGTH=33'�I� � � � � � J/
W �Q- J/ \ / \ ( C ��� IIII -45- \3"DIA.SKIMMER ON
TP \ \ ` -V SPILLWAY LENGTH=20'
��— / STONE BED W/2.5"ORIFICE, JI -V
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O LIMITS OF DISTURBANCE,TYP. o° \ 1 h' J/ /�" � 2.5"DIA.SKIMMER ON ������� IIII � /s DEWATERING TIME=3.07 DAYS ��
OM 1 / I STONE BED W/2"ORIFICE, (�,�� ,y_ JI I
\ I— / ` /V /45 DEWATERING TIME=3.08 DAYS ��5\ \���1,� PERMANENT CULVERT.REFERENCE I
-V / �r` \ \ I II I I I JI SHEET C4.07 STORM DRAINAGE �- �� -V -V ..
• ��/�< <` 11 ` ? AND GRADING PLAN. �[�
Cl) 4 5' 7
WETLAND 5 ~ \ -V �) \ -V -VUj
-V O cm
-V P/ -V
%V -V -V -V -V
U) \j // /1 \\ \� _I 1 \ -v7 -V �\-V WETLAND 5 -V -V -V -V Z
TREE PROTECTION l J I -V \ -V -V --V \ \\ -V -V -V -V -V LLI
I L FENCE,TYP. / -V \ \ -V -V -V
I —V \ ) � V -VJ/ V -VJ/
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0 J \ J J� -V I / / -V / -V PROJECT NO: 631310
/ -V / -V I / J/ J/ -V DATE: 01/22/2025
-V/� I ✓J/� I I / -V -V REVISIONS
7 \
00 ( b / /1` \\ l\ ay(\/ ` _ _ ��/' -V I I -V -V O/� -V -V DATE DESCRIPTION
L
LIMITS OF DISTURBANCE,TYP. `
� \/ I \�1l/ 1 \�1l ill/
-V -V -V \/ � \/
_ / �� 4
\\ /l ° I 17/ f� 45- \ / -V
O -V -V -V -V BUILDING PAD SURCHARGE
/-V -V -V -V SURCHARGE FILL(EL.66.0) 10,
\ / V
-V -V -V -V -V -V r MIN.I
_ / - - -V III III III III III III III I I I I III III III III III I I I
(D I A SILT FENCE&TREE / �I �l �_ �I \-V / - -V -V III III III III III III III III III III III o ao so E
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U �,/ � � � \ PROTECTION,TYP. � / / / r � � � � � � III III III=7.5'(APPROX.) III III III III III III III IIII H III III III III III III III III SCALE:linch=80ft. �
Q 1a \ \ — - — — — T �I �I�I �i�I �u �I �u 5 OVERALL EROSION
I� - -
�, 4d \ -V -V CONTROL PLAN STAGE
O � - EXISTING GRADE B
0 , _ / - _ � \ III „ _ Wit ersRavene 3
l / / -V - (EL.44.0 45.5) UILDING PAD FILL(EL.52.5')
7�1 /' \✓ -V -V REMOVE TOPSOIL AND PROOFROLL 137 S Wilmington Street I Suite 200 I Raleigh, INC 27601
-V -V _ -V -V SECTION A-A License#: F-1479 I t: 919.469.3340 I www.withersravenel.com
0 -V
co / \\ \� -V /� -V -V -VWR PROJECT NO. 23-05766 , 30