C301A EC Plan_20200408

FLOATING SKIMMER t
f \ ' I
STONE OUTLET
/ O J I / / U/ DEVICE (TYP.)
/ LEGEND &O% LLa
/ "Iry / T ' ��/) SKIMMER BASIN #15/ SEE DETAIL
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TEMP. SEDIMENT _ I I / S.D.O. #15 �- 17/G5Q2 Powered by partnership.
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EXISTING PROPERTY LINE - - - FENCE (TYP.) , ' / `\ f
/` / �Q SEE DETAIL 2/C501 ,.- �- (' �,..►.�
PROPOSED PROPERTY LINE - - __ ✓ / I ,,,
" j 1 DISTURBANCE f l 615 St. George Square
EXISTING BUILDING 'T > CLASS I RIP RAP Suite 300
J� - 2'W x 6'L x 2'w \ , E � ,' -�""� Winston-Salem, NC 27103
PROPOSED BUILDING 21" THICK O .J
f I It I CLASS I RIP RAPS`'# 336-842-4065
FLOATING SKIMMER ® J 2'W x 6 L x 2'W
MINE PERIMETER -- - o ..... T 8' WIDE SPILLWAY SI ) C#0430
DEVICE _ _ " I 21 THICK
' - - / ® ® IvI f _ 7_".�r 1abellapc.com
�" STONE OUTLET (TYP,) _ INV.=597.31 , i
PROPOSED SECURITY FENCE x-x-x-x- O KIMMER BASIN 14 _ ` - "" // FES 4 u 590 POROUS BAFFLES '
/ O - _ �_. SEE DETAIL 7/C502 S.D.O. #14 I 64.00 LF ` "�W (TYP)
i
TEMPORARY DIVERSION DITCH T0� r
/ STONE OUTLET (TYP.) ' I OF 15" RCP
TEMPORARY SILT FENCE - - - - / SEE DETAIL 7/C502
/"" - s LIMITS OF o / 0��11 tttt
PROPOSED ENERGY DISSIPATOR \ \� ' �\ ~� 0 `���� (H CARP
___12' WIDE SPILLWAY �,r" r
® DISTURBANCE
TEMPORARY CHECK DAM . f � (TYP)
1 f• O oFEssi'' /�
/ POROUS BAFFLES
MINE HAUL ROAD �/ SKIMMER BASIN #14 ` \ \'`vi A
DISTURBED AREA �J � BOTTOM ELEVATION: 604.00 FES 12 �j \ 24
5 L
WATER LEVEL ELEVATION: 607.00 INV.=608 / �� - ' \
STONE OUTLET p ( / /' ' 3.L75'WxSS 110.15'Lxt4.25'W 27"
TOP DAM ELEVATION: 608.50 STONE INLET
TOP OF DAM WIDTH: 5' PROTECTION i °i 9 ' •......•• '
H NCDOT
TEMP. SLOPE DRAIN p(// WEIRS H LENGT AREA: 12'3 924 SQFT / l � ICK 2H FABRIC UN ERNEATHPEMIN
r STONE INLET PROTECTION MIN VOLUME: 9,360 CUFT o ` FES 3
�•-•'' ORIFICE DIA: 1.50" /`' ® \ .. INV.=600.24 , I
I - ---_ ____ `� SKIMMER BASIN #15 f
S.D.O STORM DRAINAGE OUTLET r-�' SKIMMER SIZE: 3.00" 'l CLASS I RIPRAP � r - i l \ � - BOTTOM ELEVATION: 590.00 \
3.75'Wx9'Lx10.25'W 27" e \ WATER LEVEL ELEVATION: 593.50
THICK WITH NCDOT TYPE TOP DAM ELEVATION: 595.50
III 2 FABRIC UNDERNEATH ` \ \ TOP OF DAM WIDTH: 5' \ I- T
WEIR LENGTH: 8'
MIN SURFACE AREA: 7,800 SQFTINLET
\ \
STONE ~ 64.00 LF
f \ __
\\ MIN VOLUME: 21,016 CUFT
PROTECTION OF 15" RCP
\ ` ORIFICE DIA: 1. "
FES 11
/ SKIMMER SIZE: 5.0000" `4
INV.=609.60 11
LIMITS OF
LIMITS OF �' _ DISTURBANCE ^
I I DISTURBANCE
CHANNEL FROM EXISRIGG IS' RCP TO FES 2 I ~ •.., .f'f ., ,, _ . °., ©2019LaBellaAssociates
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"
SKIMMER
BASIN #5/
8' WIDTH OF CURLEX I f \ S.D.O. #5 - �y few {
EXCELSIOR MATTING OR ` / / - L a " ALAMANCE
APPROVED EQUIVALENT \ / f 64 'j
0 FES 2 TO STA 6+50 AND ACCESS ROADM J CT SIDEI FROM STA +OD TD ,4+00 -" _ ___ ._.__ __.,_ _ -- -- y-- -- - _ AGGREGATES, LL
' 2 2 AND T '"
(/
-�o� / / / _ DITCH #3 - SEE 11011 ? Mr. Chad Threatt, VP
DETAILS FOR ,, m
8' WIDTH OF CURLEX I STABILIZATION ,"
EXCELSIOR MATTING OR 1
,,✓J � EXIST. 2" RCP APPROVED EQUIVALENT
BOTH ENDS BURIED o
o
/ \ ' --INV. = 610.89
\ (BURIED)
7
"� ,030- PROP. LOCATION OF
EXIST. 18" RCP / / I , I - -SEPTIC TANKS ` o /�
INV.1 / } = 610.89 z _.., \ I' ` 'S
/ #57 WASHED STONE &
INV. = 610.49 1 1 I I -
WIRE INLET PROECTION o
DITCH #8 - SEE (BURIED) �,/ ' STONE OUTLET' .---•`" " r - --� �•-� o ` � ` '
DETAILS FOR �� (TYP.) I SKIMMER BASIN #18 r
/ STABILIZATION SEE DETAIL BOTTOM ELEVATION: 614.50 / CLASS I RIPR4P
7 C502 WATER LEVEL ELEVATION: 617.50 ' 3.75'Wx9'Lx10.25'W 27"
CLASS I RIP RAP / TOP DAM ELEVATION: 619.00 - PRO?. LOCATION OF THICK WITH NCDOT TYPE'
D
6'Wx1 I ' ,, WELL AREA \ 2 FABRIC UNDERNEATH
WITH NCDOT
TYPE 2 THICK C a TOP OF DAM WIDTH: 5 � f
FABRIC UNDERNEATH 9'r t 7' WIDE WEIR LENGTH: 7'
FES 2 SPILLWAY \ MIN SURFACE AREA: 2,345 SQFT
INV. = 611.79 ` MIN VOLUME: F" CUFT ! f, // \ dp o FES 13
1.25 ' 1 j
,, No ORIFICE DIA: 1.25 DITCH #1 - SEE V.=624.48,,1 `\„ IN , t
CLASS I RIP RAP SKIMMER SIZE: 2.00" DETAILS FOR \
J r 2'W x 6'L x 2'W /STABILIZATION \ z \,
21" THICK DEVACEG SKIMMER t r,r" 408.05"LRCP 1
e Snow Camp Mine
/ 632.88, \
/ t SKIMMER BASIN #18/ /
EX. EOP / S.D.O. #18 / r� DI 2
/ ELEV. = 616.09 t I ( ( _ \ GRATE:629.20 /
o \ - 0 633.46 q 1 INV.=626.95
POROUS BAFFLES ( ` - 0 4 \ M
�~ o (NP) _---1 - / rO 633 1 t #57 WASHED STONE
10' X 70' & {I I I
s33.os At I T WIRE INLET PROECTION Z // T
SIGHT TRIANGLE 633y/ 33.90 \ �/ ` f
\ I STONE OUTLET (TYP.)
( \ ` SEE DETAIL 7/C502
DI 1 CA
✓ ROCK PIPE , EI GRATE=632.50 , \ /
f INTLET x 80' OF 24" RCP o INV.=630.25 TEMP. SEDIMENT 0
/ PROTECTIONS 01.0% k 126.90 LF \ FENCE (TYP.) \
I /> 620 n / \
CLASS I RIP RAP ( r \ / FLOW ® OF 15" RCP \ _> a SEE DETAIL 2/C501 CD \
2'W x 61 x 2'W 1� / f // � ' _ '\,O, E 1 3(31(20 NCDEMLR COMMENTS
I FES 1 j 1 / �" 40 - - �LIMI OF ~ \ N0: GATE: DESCRIPTION:
21" THICK INV. = 612.5 O / / f
SKIMMER BASIN #17 5 WIDE J / \ DISTURBANCE
BOTTOM ELEVATION: 614.00 SPILLWAY / / / I / / \ \ \ 4 REVISIONS
WATER LEVEL ELEVATION: 617.00 / f \ w ~
\ `` PROJECT NUMBER:
TOP DAM ELEVATION: 619.00 T / LIMITS OF j \ \ \ N \� 2190335
DISTURBANCE I f \\ 000 l
TOP OF DAM WIDTH: 5' / # 1
„r \/ / / / r DITCH 4 - SEE 1
WEIR LENGTH: 5' J ✓ / , \ \ DRAWN BY:
/� r DETAILS FOR
MIN SURFACE AREA: 4,140 SQFT / / , SKIMMER BASIN #17 / f d` / J STABILIZATION STONE OUTLET TYP. \ \ I KCG/ATC/BWS
MIN VOLUME: 9,072 CUFT / / DITCH #2 - SEE (TYP.) \ \ TEMP. SEDIMENT
FLOATING SKIMMER /S.D.O #17 / DETAILS FOR ( !1 SEE DETAIL 7/C502 \ FENCE (TYP.) `• i REVIEWED BY:
ORIFICE DIA: 1.50" DEVICE POROUS BAFFLES / f I ( PAS
SKIMMER SIZE: 3.00" STABILIZATION r /
r ^ (TYP) Y�,,,, � �„ / � �,•," �• ,/ � ( I ' � � � I ` O t \, � SEE DETAIL 2/C501 � � * 1
'`- ISSUED FOR:
fS/A / r CONSTRUCTION
/ I TEMP. SEDIMENT
Channel Side Slope Bottom Width Discharge Bottom Stabilization Side Stabilization r' J/ FENCE (TYP.) \ DATE:
Number Description Max.Bed Slope (H:V) (ft) (cfs) Method Method �✓ , ,,-"' �/ \/ / SEE DETAIL 2/C501 �,.,. 20' ` ` 4/8/20
1 FES 2 to STA. 6+50 2.90% 3:1 2 7.05 Curlex I Curlex I / t ? DRAWING NAME:
2 FES 1 to Sta. 6+50 2.96% 3:1 2 12.66 Curlex I Curlex I O AND ® r1�6+50 AND ACCESS ROAD (EAST SIDE) �� \
3 West Side Access Road Sta. 7+00 to 14+00 4.10% 3:1 2 3.5 Curlex I Curlex I
4 East Side Access Road Sta.8+50to 14+00 3.63% 3:1 2 5.12 Curlex I Curlex I
5 Access Road (West Side) Sta. 18+50 to SK 6 11.25% 3:1 2 4.55 Curlex III Curlex111 8' WIDTH OF CURLEX I /c ! I PROPOSED SEPTIC FIELD l , ` ! 1D=60'
EXCELSIOR MATTING OR
6 SK 8to Stream Buffer 6.93% 2:1 3 13.64 Curlex III Curlex IN APPROVED EQUIVALENT Cn 7 Exist. 18" RCP to FES 2 1.00% 2:1 1 20.59 Curlex I Curlex I �, ,,. SEDIMENTATION &
a a 8 SK 6to Sta. 20+00 3.250/" 2:1 2 4.55 Curlex I Curlex I f J I MATC H LI N E- I }F EROSION CONTROL
m 9 SK 7 to Sta. 20+00 3.50% 2:1 2 5.81 Curlex I Curlex I 1 3 3
SHEET C301 D PLAN
_
LEM
j ; DRAWING NUMBER:
- ' �: ��
M CHANNEL STABILIZATION SCHEDULE
rn
30 0 30 60 90 120d
o n° ` M NITORING WELL