C301F EC Plan

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LEGEND
EXISTING PROPERTY LINE
— —
PROPOSED PROPERTY LINE
EXISTING BUILDING
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PROPOSED BUILDING
MINE PERIMETER
PROPOSED SECURITY FENCE
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TEMPORARY DIVERSION DITCH
TDB
TEMPORARY SILT FENCE
PROPOSED ENERGY DISSIPATOR
TEMPORARY CHECK DAM
MINE HAUL ROAD
DISTURBED AREA
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STONE OUTLET
p
TEMP. SLOPE DRAIN
j
STONE INLET PROTECTION
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p \. ` 615 St. George Square
1T+oo 1 �, Suite 300
\ \ _ Winston-Salem, NC 27103
p ` I J` ✓ (` f 1 _.._..._._ 336-842-4065
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t / r SKIMMER BASIN #19
F. C#0430
` BOTTOM ELEVATION: 621.50 iabellapC.COm
J - WATER LEVEL ELEVATION: 624.50
MATCHLINE—SHEET C301 C
/7 TOP DAM ELEVATION: 626.00
F 3 TOP OF DAM WIDTH: 5'
`
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- \ WEIR LENGTH: 12'
r r I - t C.....di f .✓ _. �. \ / xo0: MIN SURFACE AREA: 3,586 SOFT uinll
MIN VOLUME: 8,586 CURT v�� /i� T4
v'" , � v f ,�. ORIFICE DIA: 1.75" wv � C � �i
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E C
• \ t ��, i e / •�gip., /
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� - I SKIMMER SIZE: 1 50
1
TEMPORARY DIVERSION/ �l : •� _ -�1- i =
t ti DITCH (TYP.) . �' � 1 �' _ 22052
SEE DETAIL 3/C502 V �� `� 50' UNDISTURBED \ �� POROUS BAFFLES
i
BUFFER 7 I ti.(TYP) : A�GINOE;•:� �`�
_ _ LIMITS OF
DISTURBANCE FLOATING
SKIMMER CLASS I RIP RAP
LNG ®.. DEVICE t �ti2'W x 6'L x 2'W -
1 _
d
21" THICK
CLASS I RIP RAP ` \V •' / TEMP. SEDIMENT
2'W x 6'L x 2'W \ � '� r��� ,�� ,,.✓ FENCE (TYP.)
/ \ 21" THICK V ' ✓ ,% �' - / �.,��/� -- _ SKIMMER
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70.00 LF OF � ,t � BASIN #19/ 15" RCP S.D.O. #19
FLOATING ,/ ,,.- V
SKIMMER ,.. _'�..v-�
/ T DEVICE STONE OUTLET (TYP.)
18' WIDE
SPILLWAY
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FES
1ti
i — — 6305 5 NV.
--'" = �• CLASS I RIPRAP
3.75'Wx10.5'Lx14.25'W 27" © 2019 LaBella Associates
THICK WITH NCDOT TYPE
B SKIMMER
SIN #24/ _ r �" 2 FABRIC UNDERNEATH
r ,D.O. #24 .. s
STONE
PROTECTION
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✓ r S �,
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A AM NC
SKIMMER BASIN #24 POROUS BAFFLES
BOTTOM ELEVATION: 620.00 I � P�
WATER LEVEL ELEVATION: 624.00 1 i (TyP)
AGGREGATES, LLC
TOP F DAM
} p WEIROLENGTH:WIDTH: 18 %, t "� v.. ...,....., �,, LIMITS OF i Mr. Chad ThPP�attp VP
TOP DAM ELEVATION: 625.50
I �' DISTURBANCE
A MIN SURFACE AREA: 6,100 SOFT '� ;� '� �* URB
• MIN VOLUME: 15,348 CUFF s �
�v ORIFICE DIA: 1.75" i A
I
SKIMMER SIZE: 3.00"
SKIMMER BASIN #25 Ell
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BOTTOM ELEVATION: 630.30
WATER LEVEL ELEVATION: 633.30 V i
TOP DAM ELEVATION: 634.80 (((
TOP OF DAM WIDTH: 5'-
_ WEIR LENGTH: 5'
i t
MIN SURFACE AREA: 1,475 SOFT
y ,
p - `- �� MIN VOLUME: 3,057 CUFF "
ORIFICE DIA: 1.00"
SKIMMER SIZE: 2.00" O� /TE FENCE TYP.EN T
�-
F ( )
FLOATIN S
: '� I SKIMMER
DEVICE
SKIMMER
p BOTTOM ELEVATION: 616.20 / \
`, .-- p S MINE BASIN' 25/ TOP DAM BASIN LEVATION: 620.70 \ t
� 8 , CLASS I RIP RAP
WATER LEVEL ELEVATION: 619.20 � , � SKIMMER BASIN 25 / %` 2'W x 6'L x 2'W ,
�` 21MineRING S.D.O. #25 " THICK HI 1 noW Ca Mine
TOP OF DAM WIDTH: 5' J !
/ � I
a7
WEIR LENGTH: 8' POROUS BAFFLES -f : I 50' UNDISTURBED f m
1 p MIN SURFACE AREA: 3,060 SOFT f
ORIFICMIN E
3.25" CUFF \ (TYP) ' 5' WIDE BUFFER
\ „r"' SPILLWAY l
� r , w STONE OUTLET (TYP.) �
� r
CONTRACTOR TO PROVIDE CURLEX I `�
EXCELSIOR MATTING ACROSS THE' POROUS BAFFLES
ENTIRE
OPESG3H:V IIDTHSOF ALL �. (TYP) � y v i ��,r' �j STONE OUTLET (TYP.)
s
ND
�((/ l
PER
SKIMMER BASIN � �
#27/
f 7 i SKIMMER BASIN #26 �J �� / --- ---
S.D.O. #2 �r
i I ' 1
BOTTOM ELEVATION: 614.00 / N0 NCDDESCRIPTION S
FLOATING /� / / / DATE20 - SKIMMER ----
WATER LEVEL ELEVATION: 617.00
-� _ TTOP OP DAM
MDEL WIDTH: 5'
618.50 �� �' 1 f REVISIONS
�
DEVICE TEMPORARY DIVERSION %
OF
`* TONE OUTLET (TYP.) PROJECT NUMBER:
v 8' WIDE WEIR LENGTH:
AREA: 6,201 SOFT
E SEE DEDITCH (TYP.)
3/C502 p r` SEE DETAIL 7/C502 �` ;� �� 2190335
/ 1 MINp ,� r"
1 I SPILLWAY\ _ - _I
MIN VOLUME. 15,687 CUFT r _ " ��r ^� .7
- ORIFICE DIA: 1.75" 1' /
_ I DRAWN BY
f SKIMMER SIZE: 3,00" / J f� / KCG/ATC/BWS
REVIEWED BY: PAS
t STONE OUTLET (TYP.) - V `ti, p Off" .. __ 7/ r.`�
MINE HAUL ROAD i /��' ISSUED FOR CONSTRUCTION
SKIMMER BASIN 26
�� O TEMP. SEDIMENT S
M /.. -_—
DATE:
f p S.D.O. #zs y /� 4/9/20
i � ( POROUS BAFFLES p / p
i 1 t (TYP)FENCE (TYP.) /
". ,,.'.' SK�MMIEG A
R DRAWING NAME
p :
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DEVICE .1
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� :'` V `� � O -- ... � - p .- TD � .� , — � .✓" - ✓- � ,' 30
�I 30
60
01 1 120
11=
p
� �• - 1D 1a' WIDE ' -
` _ �....
� SEDIMENTATION
SPILLWAY ,
SEDIMENT.,, CLASSIRIP RAP _ / �- 1 f /� EROSION CO TROL
_ N
. _ 2'W x 61 x 2'W PLAN
.,E (TYP_)- --21" THICK -" `v J STONE OUTLET (TYP.) - ,F f / l-
/1
,'CONTACTOR
ORO MATTING ACROSSUTHEX
`\ .,, ENTIRE LENGTH & WIDTH CF ALL ^/ DRAWING NUMBER.
/..
-.., __ ........... .. ... ..... _- ... ..-- .. v, �`. SLOPES 3H:1 V AND STEEPER
STONE OUTLET (TYP.)- f �' , EXISTING DWELLING_
APPROX. LOCATION
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