C301F EC Plan_20200409

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LEGEND 615 St. George Square
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EXISTING PROPERTY LINE - a / I' / f 16
+00 'i 1 ? 1, Suite 300
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Winston-Salem, NC 27103
PROPOSED PROPERTY LINE - -A ✓ /
EXISTING BUILDING. � � 0 r ,,, , , l � � � �� s % � 1 � �/ �• ._,.� _.._. .._._ - 336-842-4065
FI SKIMMER BASIN #19 C#0430
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PROPOSED BUILDING i ✓ I / BOTTOM ELEVATION: 621.50 labella p
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% i ✓ MAT C H L I N E— S I E E I C 3 O l WATER LEVEL ELEVATION: 624.50
MINE PERIMETER TOP DAM ELEVATION: 626.00
/ ; ✓ ✓ „ R TOP OF DAM WIDTH: 5'
PROPOSED SECURITY FENCE —X—X—X—X—
=17 - - - -� - \ WEIR LENGTH: 12'
., ✓, MIN SURFACE AREA: 3,960 SOFT
TEMPORARY DIVERSION DITCH TD-'y � A, tj \ `/ \ } '- '�' ."""� / � xOp' 1 MIN VOLUME. 8,586 CUFT ��ti����i�rr�//� �4
/� �0 "� ._. ORIFICE DIA: 1.75" ���� ^(� C O ��e
TEMPORARY SILT FENCE t �, 1 SKIMMER SIZE: 1.50"
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PROPOSED ENERGY DISSIPATOR
r TEMPORARY DIVERSION
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TEMPORARY CHECK DAM L �p. DITCH TYP, Z 11, % ,r' 8 - -
MINE HAUL ROAD / '', \ /� UNDISTURBED \ �� 22052�
SEE DETAIL 3 (C502 \ `, 50' UNDI A POROUS BAFFLES
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BUFFER Z tit (TYP)
DISTURBED AREA i , i� .Q� •...........�n
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it .\ �. Fes. ✓ _ - - _. ✓ LIMITS OF A. TIMe
STONE OUTLET p t / ,' `� *� � `� DISTURBANCE FLOATING 0
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SKIMMER '� CLASS I RIP RAP
TEMP. SLOPE DRAIN ; AEG " DEVICE 2'W x 6'L x 2'W " ..
STONE INLET PROTECTION C�M/T 2 HICK
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/A CLASS I RIP RAP ` \� _ / TEMP. SEDIMENT r \ _ _ � .� /m I T
✓ � " " ,,,✓ ! j l f 2'W x 6'L x 2'W ` j '� .ram/: ;,, FENCE (TIP.) �� - ��
21" THICK ' ✓ " " �� `- '_ ""- SKIMMER
w- 70.00 L OF BASIN r .
{ " DEVICE S"ONE OUTLET (TYP.)
SKIMMER P S.D.O.
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INV.=628.00 _
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SPILLWAY \ ti
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FES 5 _ �w
✓ INV.=630.50
/ 3.THI SS I RIPRAP ©2019 LaBella Associates
f 75'Wx10.5'Lx14.25'W 27"
2 FABRIC T UNDERNEATHH NCDOT PE
SKIMMER BASIN #24
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S.D.O. #24
(� ,, / ! ✓ r t �'Ql-------�-41 - STONE INLET �,� '�c>
/ / ` PROTECTION t
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W fr ALAMANCE
SKIMMER BASIN #24
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BOTTOM ELEVATION: 620.00 `. POROUS BAFFLES
WATER LEVEL ELEVATION: 624.00
(nP) AGGREGATES
TOP DAM ELEVATION: 625.50
WEIR LENGTH: 18' "„"
MIN SURFACE AREA: 6,100 SOFT
TOP OF DAM WIDTH: 5' LIMITS OF
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( , j Si ,,�' "� ., DISTURBANCE Mr. Chad Threatt, VP
Q MIN VOLUME: 15,348 CUFF
�� ORIFICE DIA: 1.75" i
SKIMMER SIZE: 3.00"
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SKIMMER BASIN #25 y
BOTTOM ELEVATION: 630.30 I t
WATER LEVEL ELEVATION: 633.30
"� �, ` , �• � 1 TOP DAM ELEVATION: 634.80 ,TOP OF DAM WIDTH: 5'
WEIR LENGTH: 5' .,
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MIN SURFACE AREA: 1,475 SOFT
O CUFF
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RIFICE
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SOKIMMERDSIZE: 2.00" f O� � ,''TE
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_ _ MP. SEDIMENT
- 1 — FENCE (TYP.) N
FLOAING � i`� ;
� , SKIMMER /
1 DEVICE
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j SKIMMER BASIN #27
i" BOTTOM
LEELEVATION:
ELEV I 616.20 .. ':;� j SKIMMER BASIN 25 / ` 1_
ELEVATION: 619.20 CLASS RIP RAP
_ 1 j # / �� / 2'W x 8'L x 2'W
TOP DAM ELEVATION: 620.70 J t - — MINE DEWATERING ,' 21" THICK ; Snow Camp Mine
� `, '1 % S.D.O. 25
TOP OF DAM WIDTH: 5' j E h # 50' UNDISTURBED
WEIR LENGTH: 8, l POROUS BAFFLES -� I DI D F
MIN SURFACE AREA: 3,060 SOFT
MIN VOLUME: 7,092 CUFT ' ' (TYP) BUFFER
,. WIDE
.___ ORIFICE DIA: 1.25" \ ! " SPILLWAY < <
--
,{ r' ° STONE OUTLET (TIP.)
SKIMMER SIZE: 3.00"
� CONTRACTOR TO PROVIDE CURLEX I �„ A
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,.- POROUS BAFFLES
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EXCELSIOR MATTING ACROSS THEr ^'
SLOPES 3H:1V AND STEEPER �- ,(TYP) '� ' STONE OUTLET TYP.)
ENTIRE LENGTH & WIDTH STEEPER
ALL / " (� /
SKIMMER
BASIN #27/ -
1 /
7 1 3/31/24-
FLOATING NCDEMLR COMMENTS
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S.D.O. #2
SKIMMER BASIN #26 / ✓ --- — -
BOTTOM ELEVATION: 614.00 I/
>- , WATER LEVEL ELEVATION: 617.00
r` r NO DATE: DESCRIPTION
O� r' _._
_ SKIMMER _.. _ TOP OF DAM WIDTH: 5' ��, S 1 f REVISIONS
✓ /,/ ' � � j : DEVICE � TOP DAM ELEVATION: 618.50 � TEMPORARY DIVERSION f
TONE OUTLET TYP.
CLASS I RIP RAP DITCH (TIP.) , ( ) PROJECT NUMBER:
r' 2 W x 6'L x 2'W 1 WEIR LENGTH: 18' /'" SEE DETAIL 7/C502 fff /�
' 21" THICK 8' WIDE MIN IN VOLUME:
FACE AREA. 6,201 FT E SE DETAIL 3/C502 ' L
/ SPILLWAY ` MIN V LUME: 15,687SCUFT E 2190335
J DRAWN BY
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j KCG/ATC/BWS
_ SKIMMER SIZE: 3.00" �
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STONE OUTLET (TYP.) �„ - .. _.._ ._...� q �`ti, p O1" _ , .._ r= r✓� �
ISSUED
� f ✓� ` MINE HAUL ROAD
CONSTRUCTION
SKIMMER B�SDINO# �� �� TEMP. SEDIMENT
DATE:
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POROUS BAFFLES " `� �G FENCE (TIP.) / 4�9�20
j., (TYP) ✓ IN�CA
r i ,
, _ DRAWING NAME.
SKIMMER
FLOATING
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DEVICE ,.�.
a 00 /` j y,, � 1 } V � � ��"`.-..,. � :,:' � 30 � 30 60 90
0
_ 1�I=6OI
> � izo
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18' WIDE /
SPILLWAY o �
SEDIMENTATION &
\ EROSION CONTROL
�. _ -- -- -CLASS I RIP RAP, �.•' _ / -�. � ��
a ' TEMP. SEDIMENT _ " STONE OUTLET (TIP.) F i
FENCE TYP. - _- -... 2 W x 6 L x 2'W \ _ _.- r ;
21 THICK _ _ - PLAN
Y "
CONTRACTOR TO PROVIDE CURLEX I
_ - R MATTING ACROSS THE
E r' I # / _/ / ENTIRE LENGTH & WIDTH CF ALL // �f �`! 'f / DRAWING NUMBER:
N A -......_.. ,' _... ___ ........... .. ___. _ _ ... \ __.SLOPES 3H:1V AND STEEPER j`
6i ` , - ! , SKIMMER BASIN 7 ,.� STONE OUTLET (TYP.)' `��e `` ` .. / jr , EXISTING DWELLING_
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o -,. / S.D.O. #7 7 _ __ __.. ....._.. _. �., "'' / / ,f f APPROX. LOCATION
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