C301B EC (2)

STONE OUTLET (TYP.)
SEE DETAIL 7/C502
PERIMETER SECURITY f - - f # / I
/ SKIMMER BASIN 22 - ---
FENCE TO CLEAR SPAN SKIMMER BASIN #10 / S.D.O. #22 U S BE
JURISDICTIONAL AREA l t
/ ®\. �`-..,'.`.- " >��, t ; ' : B�FFERDI D `
FII
TEMP. SEDIMENT
FENCE (TYP.)
C/'�
J " ', t ,{ t \ SEE DETAIL 2/C501
LIMITS OF r o `� ." + _ (� of ` r
DISTURBANCE
- _ 11 \,
n / l i STONE OUTLET (TYP) J
t
SPILLWAY T /- ;
'' ,,� ,,-610-"\.,-�- ,^-,. ____ :. , .,,w - --�, I i SEE DETAIL 7/C5021
R/ _
T ^ / ` SPILLWAY \ \ , '' \ ` „LIMITS OF
DITCHDETAILS - SEEFOR LLL E/ I H TI n _ LIMITS
ONCE ` LIMITS OF (J \ ` f .. .
I \ ' DISTURBANCE
1 \ STABILIZATION _ H.P. _ DISTURBANCE_: \
STONE OUTLET (TYP.)
_ FES 10
y SEE DETAIL 7/C502
�.. �..< , 65.00 LF INV.=608.00 __._._ "` I. t h -�-- •� ,,, »,. i;r r
OF 15 RCP _. _ W O
`\E TEMP. SEDIMENT
YF
FENCE (TYP.)
10 / STONE INLET CLASS I RIPRAP
- w
SEE DETAIL 2/C501 600 _
�"�� -' - 3.75'Wx9'Lxi2.75'W 27' - (J
,. PROTECTION - - � `
FROM SKIMMER BASIN 8 TO STREAM BUFFER soa.15 - __ THICK WITH NCDOT TYPE / 1 1
SPILLWAY 1
6 NTS 60z.0o 2 FABRIC UNDERNEATH ~ _ \;
_ _----_--_°_ ;, , , ,r..� 1. ^� / �
O k
8' WIDTH OF CURLEX III � `�® f SPILLWAY ..� -___ - _ _.- - --__ �, "'` � W " •' 11•, �, / (, 1 I
EXCELSIOR MATTING OR ' f Q LL I
APPROVED EQUIVALENT ONE OUTLET (TYP.)�
SEE DETAIL 7/C502 I rn
I G
604.0o 605.00
soe.00 -- _ - -, - TEMPORARY I 'ERSI N 1 s X DITCH #5 -SEE - c O \
DETAILS FOR FES 9 DITCH (TYP.) I ✓
z 1 o STABILIZATION ` INV.=611.00 SEE DETAIL /C502 ( ' TEMP. SEDIMENT `. p
\ \ FENCE (TYP.) /
e �.. SEE DETAIL 2/C501 r
o� END OF PAVEMENT �- )
y i
r
\ s04ns ' / UNDISTURBED
�94
SKIMMER BASIN #6/ DITCH #9 - SEE SKIMMER BASIN #8/ ,/ i-(BUFFER
S.D.O. #6 STABILIZATION IZATON S.D.O. #8 '" �� ��� V �, ..���_ - 6p� SKIMMER BASIN 13/
S.D.O. 13
SPILLWAY X 'ACCESS ROAD (WEST SIDE( ACCESS ROAD (EAST SIDE)
FROM 49rt58 TO STA. 20+00 FROM SK 7 TO STA. 20+00
S'K $i I f
\o STONE , -� ® NTS ® NTS _ 15" TEMP. SLOPE
°a OUTLET (TYP.) \1 j
\ ( ` 1 DRAIN -
I gT ,
8' WIDTH OF CURLEX 1 8' WIDTH OF CURLEX I # i
SEE DETAIL A. 2 +00 �`- � 6'io `�
so \ \ 7/C502 EXCELSIOR MATTING OR EXCELSIOR MATTING ORt ' I
APPROVED EQUIVALENT APPROVED EQUIVALENT °'" �__, � / \ 1 "' w
STONE INLET '
PROTECTION (TYP,) t I \
V - STAINING WALL ( " - \ STONE OUTLET C502 �' \ MATCH �I N E-
LIMITS OF - -- .._. 7 ea
_'DISTURBANCE �,, SEE DETAIL /C502 y �,
STONE OUTLET / l DITCH #10 - SEE y \ H EET C O
SKIIER
B I � DETAILS FOR ` TEMPORARY DIVERSION """ ~\ ' � • ' -'.y ; >• ,,! : � -r - `-"'>'' :: "
TE P. CHECK DAM STABILIZATION - * , n
Q ( ) � � \ �'--DITCH (TYP.)
{\ \ SEE DETAIL 3 C502 -• -•i 1
r- \ � ' t� � ` SE DETAIL 4/0501 l\\ ` \ °, \ / \,d �.- _..._® � ---�----\; - �`.+.,�� e� ~ �.. � i �, ; `'. / -�•-- `^ '
W 0 I i\ TEMP. CHECK DAM
Z (TYP.)
- 24'x10'-4" AREA \\\
o ` BRIDGE CULVERT /
\ SEE DETAIL 4 C501 \ 50' UNDISTURBED
NCDOT STEEL N
\ BEAM GUARDRAIL o \ BUFFER
i - 225 LF (FACE AT E.P.)
- % SPILLWAY \ \\ \
Q LLI STONE OUTLET SKIMMER BASIN #7/ \ �\ ��..��-
o o S.D.O. #7 \ \ \I v\ \ \ \
TEMP. SEDIMENT \ -
1 FENCE (TYP.) \ l`
oo
SEE DETAIL 2 C501 LITS OF \ ` /\ \ \ \ ! \
r DISTURBANCE \
CONTRACTOR TO PROVIDE CURLEX I 02
��� V\ EXCELSIOR MATTING ACROSS ENTIRE / 1 /
I� / 50 LENGTH OF ALL SLOPES 3H:1V AND � � � ��•^, �`^•�, .,,^ ,
SPILLWAY / STEEPER
rr UNDISTURBED _-
BUFFER
SKIMMER BASIN
S.D.O. #4
_
r
-
\
NTS
8' WIDTH OF CURLEX III _
#` EXCELSIOR MATTING OR \ _
It) APPROVED EQUIVALENT
` / 1
SKIMMER BASIN #27
S.D.O. #2
BW 606.50
I
TW 607.50
KEYSTONE RETAINING
WALL TO'111
BE STANDARD
III UNITS
(W18"xD21"x48" -
95LBS)
A
NEAR VERTICAL SETBACK
TO
PBE
UTILIZED
1
f
3
/
TW
TW 606.67
Y
TW 607.
BW 604.90 E
� �
( TW 807.33
scnLE. 1=20 / 40.50 LF STRUCTURAL PLATE BRIDGE
/
j ) ARCH METAL SPAN x
l /l 10'-4" RISE BRIDGE CULVERT � i
/ BY CONTECH CONSTRUCTION ((( BW 598,09
PRODUCTS
STREAM 1160/ //597.02 TW 600.01
Ir
BW (TOP J BW 593.18 1 BW 595.35 • / OF STRUCTURE) m
BW 601.33
! 5BW Moo= 91.00 6W 593.81 5 5.99 TW
r, 604.41
BW TW 604.88
I I TW 604.76 605.06
605.04
TW 60 .72 4.85
Tw
805.88 EOPJ 604.88 EOP EOP EOP
805.48 605.1ED 605.11 EOP 605.14 I 605.38 ( /
/// NCDOT STEEL BEAM GUARDRAIL
11 '605.10 225 LF (FACE AT E.P.)
�--�
O
605. i
STEEL BEAM
I � GUARDRAIL
AIL AT E.O.P.
{$` EDP I EDP eosai�/ EOI EDP
60538 TW 804.96 /
r808.26 u605.48 805.78 EDP`605.11 ! %�605.74
-- ((( --
�o
ma
8W 606
' g
a o
I O
WASHED STONE TO BE USED
FOR THE RETAINING WALL AND
/
ROADWAY BACKFILL FOR THE
0 0
ENTIRE LENGTH OF THE WALLS
N (c,
04 6 8 604.76 LW "604.68 ( ---Tw
I 592.98 BW BW 602.60 1f!
W BW (TOP 591.00 - 592• /+ BW
91.0011„ ,STRUCTURE) /// BW / I EW 598.00
'\ 601., / / / 596.37 1 602.00 /
594.64
STREAM INV. I %
7
591.87 / f
! ew sa0.0
NCDOT 'STEEL /
BEAM GUARDRAIL /
NING WALL SHOP DRAWING COMPLETED BY A NORTH /
LINA PROFESSIONAL ENGINEER TO BE SUBMITTED FOR REVIEW
APPROVAL
�
MINING LIMITS a
BRIDGE CULVERT NEAR STAB. 16+50 (NTS) tr: c W
TW
TW TW /% TEMPORARY DIVERSION
l
V DITCH (TYP.) DE
SEE TAIL 3/C502 � �° ~ � � C) W
BW (TOP OFLLI
DRAINAGE \\
STRUCTURE)
i
Q TOP CONCRETE
FOUNDATION
v
BLOWER STREAM
W = 591.00
INVERT
24'-0" ARCH SPAN
EXISTING PROPERTY LINE
- -
PROPOSED PROPERTY LINE
-
EXISTING BUILDING
r
L_J
PROPOSED BUILDING
MINE PERIMETER
PROPOSED SECURITY FENCE
-x-x-x-x-
I
(,
TEMPORARY DIVERSION DITCH
TDB
J�
TEMPORARY SILT FENCE
-�- - - - - - - - - - - -
j
/
PROPOSED ENERGY DISSIPATOR
D3
TEMPORARY CHECK DAM
e
MINE HAUL ROAD
DISTURBED AREA
F J
STONE OUTLET
p
TEMP. SLOPE DRAIN
STONE INLET PROTECTION
S.D.O.
STORM DRAINAGE OUTLET
14N:
BW = 591.00
„r }`
CONSTRUCTION SEQUENCE FOR ARCH SPAN CULVERT AND PROPOSED RETAINING WALLS
1. PLACE SEDIMENT FENCE ALONG THE TOP OF STREAM BANKS ADJACENT TO THE
PROPOSED ARCH CULVERT.
2. ALSO, PLACE SEDIMENT FENCE AT THE LIMITS OF DISTURBANCE DOWN -SLOPE OF ! r
THE LOCATION OF THE PROPOSED WALLS.
f f
3. CONSTRUCT THE LEVEL CONCRETE FOUNDATIONS FOR THE PROPOSED ARCH SPAN ,
�f
CULVERT.
4. ASSEMBLE THE ALUMINUM STRUCTURAL PLATE ARCH CULVERT AND CONNECT THE
STRUCTURE TO THE ADJACENT CONCRETE FOUNDATIONS.
5. BUILD THE PROPOSED SEGMENTAL BLOCK RETAINING WALLS ON THE WESTERN AND '
EASTERN ENDS OF THE ARCH CULVERT. PLACE GEO-GRID FABRIC AND CLEAN r "
WASHED STONE AS THE WALLS PROGRESS VERTICALLY. -- - k
- N,� ;
0 U 6. MAINTAIN THE SEDIMENT FENCE & STONE OUTLETS THROUGHOUT THE CULVERT V ERT AND
WALL CONSTRUCTION PROCESS.
r
r
7. PLACE THE SEDIMENT FENCE AT THE TOP OF THE RETAINING WALLS WITH STONE
OUTLETS AT THE LOW POINT LOCATIONS IN THE VERTICAL CURVE TO ALLOW CLEAN
RUNOFF TO DISCHARGE. -----
8. SEED AND MULCH ALL DENUDED AREAS ADJACENT TO THE RETAINING WALLS.'_ `
- 30 60r t T.
i j f r _
© 2019 LaBelle Associates
1 •' � 1
ri
r
NO:
DATE:
DESCRIPTION:
REVISIONS
PROJECT NUMBER:
2190335
i
DRAWN BY:
KCG/ATC
REVIEWED BY:
PAS
ISSUED FOR:
CONSTRUCTION
DATE:
7/18/19
DRAWING NAME:
y' 0
SEDIMENTATION &
EROSION O' . CONTROL
PLAN
DRAWING NUMBER