C301E EC Plan_20200408

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BOTTOM ELEVATION: 567.50 EXISTING PROPERTY LINE -
^ \ \ WATER LEVEL ELEVATION: 571.00 -
\ TOP DAM ELEVATION: 572.50 _._ ____ _ PROPOSED PROPERTY LINE - - 615 St. George Square
_ TOP OF DAM WIDTH: 5 Winston-Salem NC 27103
r-� Suite 300
-? MIN SURFACE AREA: 1,352 SQFT `� Winsto -Sale
WEIR LENGTH: 5' EXISTING BUILDING L_J
MIN VOLUME: 3,050 CUFT r PROPOSED BUILDING
^"^^ "-,_ - ._„_ CLASS I RIP RAP J,
O SKIMMER BASIN #1 - - --- - _ ORIFICE CIA: 1.00" - --
^`'` BOTTOM ELEVATION: 564.00 ^"'r -'"�� ""^-- ""^ f.. 2'W x 6'L x 2'W `� E PERIMETER C#0430
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y� ..___. -� .g .,,_,." .�. _� _ �" .-- .. ER S 21" THICK _r-'--� " �- MIN
WATER LEVEL ELEVATION: 567.50 /f f/ ,f � � SKIMM IZE: 2.00" �
` ' TOP DAM ELEVATION: 569.00 / -,__ - _ `" _. PROPOSED SECURITY FENCE -x-X-x-x- labellape.COm
TOP OF DAM WIDTH: 5' / // _ _." FLOATING -
I ^ - WEIR LENGTH: 11' ^ 'G6I �T ��® F SKIMMER -- TEMPORARY DIVERSION DITCH TD->
CLASS I RIP RAP / / CONTRACTOR TO EXTEND TEMPORARY -
`\ SKIMMER BASIN #16 ( 2'W x 6'L x 2'W \ MIN SURFACE AREA: 3,570 SQFT \ J ( ' / SLOPE DRAINS AND RE-WORK DEVICE TEMPORARY SILT FENCE
\\ MIN VOLUME: 3,570 CUFT /\ ( (/ TEMPORARY DIVERSIONS AND STONE `" " KI - _- STONE OUTLET TYP. T
BOTTOM ELEVATION: 569.00 , 21" THICK ORIFICE DIA: 1.50" r- INLET PROTECTION AS THE SKIMMER BASIN #2/ r SEE DETAIL 7/C502) PROPOSED ENERGY DISSIPATOR ® « I
WATER LEVEL ELEVATION: 572.00 j ii "` ^ 1 I I 1
TOP DAM ELEVATION: 574.00 / SKIMMER SIZE: 2.00" ( { / OVERBURDEN SOIL FILL HEIGHT ?0 S.D.O. #2 _ �\.�` CA /�� i
// SKIMMER BASIN #16/ I INCREASES. 18" TEMP. SLOPE TEMPORARY CHECK DAM a `�� (N RC
TOP OF DAM WIDTH: 5' / / # ' ' \ F •.. ""•..�/
LENGTH: 4' ( f / f S.D.O. 16 f
MIN WEIRSUR ACE AREA: 3,080 SOFT ' t -` I - -a '_ ` - 5 = FENCE (TYP.)
-- DRAIN S�TEMP. SEDIMENT ' FES O '- L
- - '`*, ``�,� ,.. MINE HAUL ROAD � �9
MIN VOLUME: 6,405 CUFF FLOATING ~ ' / 1 74 CLASS I RIP RAP 3'W - SEE DETAIL 2/C501 J _
ORIFICE DIA: 1.50" SKIMMER / ((� x 9.5' L x 3' W 27" - �� DISTURBED AREA _
DEVICE STONE OUTLET (TYP.) ( k \,I M THICK WITH NCDOT - N 5' WIDE - 22052
SKIMMER SIZE: 2.00" SEE DETAIL 7/C502 1 f / TES TYPE 2 NON-WOVEN / SPILLWAY STONE OUTLET
I L ^^ ( E 3EOTEXTILE FABRIC:= -_ _ TEMP. SLOPE DRAIN ���A9 'NGINEE.•' ��
- CLASS 1 RIP RAP 562 f SKIMMER BASIN #1/ UNDERNEATH_
1 ` S.D.O. 81 �E --- �_ POROUS BAFFLES STONE INLET PROTECTION l� TI�11 `\} 2'W x 6'L x 2'W 11' WIDE )p-�F (TYP) rAl
�21" THICK SPILLWAY/ X, - " X,x�x -
CLASS RIP RAP 3'W F `5 ~ X DRAINEMP. SLOPE S.D.O. STORM DRAINAGE OUTLET
I`l `4' WIDE r. � --... _ 80 X�- X--- .
t ` O r SPILLWAY x 9.5' L x 3' W 27" x�X -
111 \ J fff
p ` y THICK WITH NCDOT -" s rr
TYPE 2 NON-WOVEN /
POROUS BAFFLES \ GEOTEXTILE FABRIC r
r -POR UNDERNEATH 18" TEMP. SLOPE r x
x M� I DRAIN
X� x FLOATING
SKIMMER / / ✓ a x ( j / l
DEVICE ,r TEMPORARYDIVERSION
~ ` --- DITCH (Tt /
' t� ✓ POROUS BAFFLES f /
f ` � SEE DETAIL
3/C502STONE INLET
01 /
PROTECTION (TYP.) \ \ L I
CLASS I RIP RAP
n2'Wx 6'Lx2'W � f - f Ss /
/ (} / 21" FLOATING //
DIST RIBANCE / /// / 1 / f ©2019 LaBelle Associates
l f ✓ �� /� / I V 111 V r 1. DEVICE R r 2 DISTURBANCE
A
TE P. SEDIMENT n O 1 ISTURBAN� /
/ v /FENCE (TYP.) e ��� A
f I SEE ETAIL 2/C501 / / % / 1 /
TEMPORARY DIVERSION
DITCH (TYP.) I DISTURBANCE i I / { / _ l O /� / 1 / ` ALAMANCE
/ MSEE DETAIL 3/C502 / SKIMMER BASIN #12/ /
/ ! S.D.O. #12 J /CLASS 1 RIP RAP 3'W
SKIMMER BASIN #12 \\\\\� r o J % x 9.5' L x 3' W 27" / / / / I AGGREGATES LLC
0 / / BOTTOM ELEVATION: 575.50 // \1 -1\C`\ ff THICK WITH NCDOT 9
WATER LEVEL ELEVATION. 579.00 / f/ POROUS BAFFLES F P f / g8 TYPE 2 NON-WOVEN SKIMMER BASIN #3
TOP TOP DAM
MOF DEL WIDTH:ION: 581 00 �� (nP) C // UNDERNEATHGEOTEXTILE WATER
BOTTOM ELEVATION: 570.50
WEIR LENGTH: 4' 4' WIDE/ / % 1 / / WATER LEVEL ELEVATION: 574.00 / Mr. Chad Thresh, VP
MIN SURFACE AREA: 966 SOFT y ' SPILLWNY fj ( / % TOP DAM ELEVATION: 575.50
MIN VOLUME: 1,712 CUFT f TOP OF DAM WIDTH: 1
w`� / x r.' � WEIR LENGTH: 15'
f ORIFICE DIA: 0.75" / f MIN SURFACE AREA: 4,640 SOFT
SKIMMER SIZE: 1.50" / ' \ MIN VOLUME: 12,647 CUFT
i I 1 STONE INLET N / ORIFICE DIA: 1.50"
' TEMP. SEDIMENT f / I PROTECTION (TYP.) SKIMMER SIZE: 2.00" C
_ FENCE (TYP.)
/ 90 SEE DETAIL 2/C501 f ( \ STONE OUTLET
1 t / �\-• I 1 x SEE DETAIL 7/C502 /
/{ 18" TEMP. SLOPE -_ . /
O _ DRAIN 15' WIDE /
( ' - l I 620 - x SPILLWAY
r �/ TAILING POND #1 610 SKIMMER BASIN #3/
50' UNDISTURBED / FLOATING WATER ELEVATION (WE) - 594' S.D.O. #3 `
s BUFFER I CLASS I RIP RAP SKIMMER BOTTOM - 579' (DETAIL 4/C401) _ 5 0 `
Q` 2'W x 6'L x 2'W / DEVICE 600 POROUS BAFFLES ` ,
21" THICK A SKIMMER BASIN #28/ \ \ (TYP) CLASS I RIP RAP
S.D.O. #28 590 x 21" x THICK
x 2'W
21" THICK
SKIMMER J \\ 1 f
CONTRACTOR TO PLACE CURLEX I DEVICE
EEXCELSIOR MATTING ACROSS THE ' 50' UNDISTURBED
ENTIRE LENGTH AND WIDTH OF ALLBUFFER
SLOPES 3H:1V AND STEEPER. _ TEMP RARY DIVERSIONS f ' I / ' - Snow Cam[] Mine
I DITCH (TYP.) ' \ r
4' WIDE ' - '` SEE DETAIL 3/C502
\ / SPILLWAY S
1 S B E WATER IS RECIRCULATED
POROUS BAFFLES Sy,EWEEN TAILING ` `- \ t SKIMMER BASIN #29/\ TEMP. SEDIMENT
.� ,,,.. ONDS 1&2. S.D.O. #29 \
E i
SKIMMER BASIN #28 /(TMP) \ , ' \ \ \ SEE FENCDETAIL 2/C501
c Jl / ,.--' �`. *� FLOATING � `
BOTTOM ELEVATION: 583.00 , DEVICE
17, ER
WATER LEVEL ELEVATION: 586.00
TOP DAM ELEVATION: 587.50 l CLASS I RIP RAP
I ( TOP OF DAM WIDTH: 5' \ 1 ` 2'W x WL x 2'W
r, 111 WEIR LENGTH: 4' / 9S l 21" THICK
g# / MIN SURFACE AREA: 760 SOFT
MIN VOLUME: 1,380 CUFF CLASS I RIP RAP
/ ORIFICE DIA: 1.25" 2'W x 6'L x 2'Wj ` 2 3/31/20 NCDEMLR COMMENTS
SKIMMER SIZE: 3.00" m ' 21 THICK / in I X \ \ \ \ \ -�
� l �X \ ADDITIONAL STREAM INFO-ALAM.AGG,
1120/20
-' &LAND QUALITY COMMENTS
FLOATING N0: DATE DESCRIPTION:
/ .-'50' U DN ISTURBED\ \ I l SKIMMER ��
r �; ' DEVICE 60 POROUS BAFFLES SKIMMER BASIN V I
CLASS I RIP RAP BUFFER �.. /t (TYP) BOTTOM ELEVATION: 579.50 _ } , V PROJECT NUMBER:
2'W x 6'L x 2'W ` _ I ( SKIMMER BASIN #9/ ` WATER LEVEL ELEVATION: 583.00
I' ~\ \ S.D.O. #9 \ / TOP DAM ELEVATION: 584.50 2190335
THICK / / PERIMETER SECURITY
TOP OF DAM WIDTH: 5' /
/'• --�----" \. \ / ` FENCE. CONTRACTOR
/ / WEIR LENGTH: 4' -'SHALL NOT CUT TREES DRAWN BY: KCG/ATC/BWS
/ MIN VOLUME: 700 S UFT I r F00T BUFFER WIDTH
�� ` •�, 4' WIDE / MIN SURFACE AREA: 700 SQFT / WITHIN THE TOTAL 100
SPILLWAY / ORIFICE DIA: 1.50" AND MEANDER THE REVIEWED BY: PAS
- YYY /• l f
LIMITS OF FLOATING r -._ / /// // SKIMMER SIZE: 2.00" SECURITY FENCE )AS
{ DISTURBANCE SKIMMER / I NEEDED. (TYPICAL) ISSUED FOR:
O DEVICE %'� 'b SKIMMER BASIN #11 ���--- '"""
�° / BOTTOM ELEVATION: 577.50 ~` ey I / j CONSTRUCTION
( ` �" o� POROUS BAFFLES / �94 ` WATER LEVEL ELEVATION: 581.00 \ / M
> ! / TOP DAM ELEVATION: 583.00 DATE:
10' WIDE- \ (TYP) / F ( TOP OF DAM WIDTH: 5' 4/8/20
15" TEMP. SLOPE \ SPILLWAY / 4j
WEIR LENGTH: 4'
f Iy ta DRAIN j POROUS BAFFLES \ 4 ! f O MIN SURFACE AREA: 4,000 SQFT ` DRAWING NAME:
L \ - B SKIMMER BASIN #13/. (TYP) TAILING POND #2 �" MIN VOLUME: 10,283 CUFT
a \ `a Os S.D.O. #13 1 WE - 58< / f 1 ORIFICE DIA: 1.50"
BOTTOM - 569' \ / SKIMMER SIZE: 2.00"
E _ SKIMMER BASIN #9 -
�- BOTTOM ELEVATION: 593.00 ^ POROUS BAFFLES / / 11®
SKIMMER BASIN #13
/ / SKIMMER BASIN #11/
WATIDE ER LEVEL ELEVATION: 598.50 (TYP) -. S.D.O. #i t j ~ \\ \ /" 60
BOTTOWATERMLEVELAELEVATION: 603.00 SPILLWAY TOP OF DAMWIDTH: 598.50 S90 $8 - // �
N \ \ , ` TOP DAM ELEVATION: 604.50 WEIR LENGTH: 6' � f / / ~ /� SEDIMENTATION &
3: TOP OF DAM WIDTH: 5' o \ v� / / / cg0
0 ^6/2 STONE INLET MIN SURFACE AREA: 16,03 SOFT
OF CLASS I RIP EROSION CONTROL
o Q ly \ / ~ \_ _6
WEIR LENGTH: 10' MIN VOLUME: 16,034 CUFT _ \ J / a
a J PROTECTION (TYP.) MIN SURFACE AREA: 3,200 SQFT - 2'W X 6'L X 2'W /
_ _ ORIFICE DIA: 1.50" \ \ f
MIN VOLUME: 7,584 CUFT - \ \ / 21" THICK `� /
�4 \ \ ORIFICE DIA: 1.50" _� SKIMMER SIZE: 2.00" / ` ' PLAN
N SKIMMER SIZE: 2.00" o \
�. - HEFT C301 R
a MATCHLINE S ` ` • - t, FLOATING MATCHLINE- SHEET C301 C
-
� DEVICE DRAWING NUMBER.
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