9-Snow Camp Plan Sheets 301B

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PERIMETER SECURITY i - SKIMMER BASIN #22/ / - 1
/ FENCE TO CLEAR SPAN / SKIMMER BASIN #10 - - - _ _ \ S.D.O. #22 \ ff
1 / 50' UNDISTURBED
JURISDICTIONAL AREA . �, �� \ \\ / , k I BUFFER !A/
\ /
/ x-x-x-x-x-x-�X -� �
X�Lx X-X-x-X-x-x-x-x x-x- �X� -- _ TEMP. SEDIMENT /
=-X `A --X-x XT� _ -�- / / I FENCE (TYP.)
SPILLWAY
STONE OUTLET (TYP.) -x�x \ I I / SEE DETAIL 2/C501
x ��� TD � I\
J _X�x
�__
so- SEE DETAIL 7/C502 \,,,-LIMITS OF x�
I
11
INDISTURBANCE � /Q -' STONE OUTLET /- SEE DETAIL 7/C502
2E ET SPILLWAY LIMITS OF
I \
/
DISTURBANCE CLIMITS OF IJ `�
/ SKIMMER BASIN 13 \
' H.P; \REE �� \ DISTURBANCE \ S.D.O. 13 # /
\ -� _ _ STONE OUTLET (TYP.) FES 10
SEE DETAIL 7/C502 0
INV.=67.00
1 1 I 65.00 LF
TEMP. SEDIMENT OF 15" RCP
FENCE (TYP.) �610 \STONE INLET CLASS I RIPRAP
SEE DETAIL 2/C501 600 PROTECTION 3.75'Wx9'Lx12.75'W 27" ��`\ I I \ / SPILLWAY I
8 TO STREAM BUFFER 604.15 THICK WITH NCDOT TYPE
FROM SKIMMER BASIN
� � 2 FABRIC UNDERNEATH � 1
© NTS I 602.00 �
I
THICK SPILLWAY
R PRAP WITH NCDOT I 7D
TYPE 2 FABRIC STONE OUTLET (TYP.) \ /
UNDERNEATH 1 so5.00 ��� SEE DETAIL 7/C502
I TEMP. SEDIMENT
` \ 606 oo / FENCE (TYP.)
\ 604.00 _ TEMPORARY DIVERSION / / SEE DETAIL 2/C501
2 \ 2 \ \ % FES 9 DITCH / L )3 C502 I \ TEMP. SEDIMENT
SEE D AI/ INV.=611.00 / I FENCE (TYP.) /
STONE \ \ L I END OF PAVEMENT 50' UNDISTURBED SEE DETAIL 2/C501
ACCESS ROAD (WEST SIDE) OUTLET (TYP.) \ \ SKIMMER BASIN #6/ 604.,5 I I -SKIMMER BASIN #8/ �- BUFFER \
FROM STA. 14+00 TO STREAM BUFFER \ SEE DETAIL s' 602.00 S.D.O. #6 / / S.D.O. #8 /
NTS 7/C502 I \
ACCESS ROAD (WEST SIDE) ACCESS ROAD (EAST SIDE) - I
\\\I I FROM STREAM BUFFER TO STA. 20+00 FROM STA. 18+50 TO STREAM BUFFER 1 y \ \ \
8' WIDTH OF CURLEX I \ SPILLWAY \ O NTS O NTS ` \
EXCELSIOR MATTING OR
r
APPROVED EQUIVALENT \ / i 3TA. 2 +00 LIMITS OF
8' WIDTH OF CURLEX III 8' WIDTH OF CURLEX III 6�0 \ 1 _ DISTURBANCE
\ \
EXCELSIOR MATTING OR EXCELSIOR MATTING OR \ _ \
1 1 APPROVED EQUIVALENT APPROVED EQUIVALENT _ \ STONE OUTLET (TYP.) /
2
2
j • � \ SEE DETAIL 7/C502
2, 2 2 ' p 2
Al I
RETAINING WALL �� / TEMP. CHECK DAM / LIMITS OF \ /
SKIMMER \ \ r (TYP.) z' 2' _ DISTURBANCE \ /
SIN 5 SEE DETAIL 4/C501 I \
S.D.O. #5 \ '� I TEMPORARY DIVERSION
\ o 04 I \ DITCH (TYP.) \ \ \ 50' UNDS UT RBED
\ \ I I \ SEE DETAIL 3/C502 \ \ - -
BUFFER
\ \ 24'x1014" AREA SPILLWAY \ \ \ \ \
_ BRIDGE CULVERT \ \ \
\ O \ \ o \ \ \ \ \ S,
\ NCDOT STEEL
/ \ BEAM GUARDRAIL \
225 LF (FACE AT E.P`.) o \ \ \ \ \ \ \ \ -
`t \ I \ \ \ \ \ \
SKIMMER BASIN #7/ \� TEMP. SEDIMENT
S.D.O. #7 FENCE (TYP.) \ 630
00 \ \ SEE DETAIL 2/C501so
CONTRACTOR TO PROVIDE CURLEX I
I IOMATTING
ACROSS
SKIMMER BASIN #4/ II ` LENGTH OF ALLSLOPES3H:1V ANDLIMITS OF -11 \ \ \ \ \
I S.D.O. #4 / / / ` \ \ \ STEEPER \ \ \
DIST RBANCE
50' UNDIST RBED \ \ \ I I \ \ \
SPILLWAY\ BUFFER \ \
_ ,---TD
ACCFROM STAES14 +D 00 TO (EASTESTREAM EBUFFER ACCESS ROAD (EAST SIDE) FROM STA. 18+50 TO 20+00
NTS NTS / / _ ) MINING LIMITSUj
Q O
8' WIDTH OF CURLEX HIGH
VELOCITY EXCELSIOR MATTING 8' WIDTH OF CURLEX III \
OR APPROVED EQUIVALENT EXCELSIOR MATTING OR _ Q O TEMPORARY DIVERSION \
' APPROVED EQUIVALENT -/ - �r �\ BRIDGE CULVERT NEAR STA. 16+50 (NTS) \ DITCH
DETAIL)3/C502
TW TW
3 3 1 /
\ \
2 / 3 3 I I QO SKIMMER BASIIN#27/ BW (TOP OF
S.D.O.
\ \ \
2' I I Q #2 _ DRAINAGE 1
O U STRUCTURE) \ \ \ 1
I / SCALE: 1"=20' 40.50 LF STRUCTURAL PLATE \
ARCH METAL 24' SPAN x
KEYSTONE RETAINING WALL TO / / 10'-4" RISE BRIDGE CULVERT =
BE STANDARD III UNITS BY CONTECH CONSTRUCTION BW 5ss.os
Q TOP CONCRETE
FOUNDATION
(W18'xD21„ x48„ - 95LBS) / PRODUCTS I
NEAR VERTICAL SETBACK TO I / �
STREAM INV. BW LOWER STREAM
BE UTILIZED / 5s1 0o BW = 591 00 BW = 59100
597.02 TW 600.01 INVERT
I I BW (TOP BW 593.18 e
OF STRUCTURE) BW 595.35 21'-10"
601.33BW I
BW BW 593.81 595.99 TW
BW 606.50 I l I /
591.00 F
W 593.41 / 604.41 24'-0" ARCH SPAN
I 591.00'
I BW 604.35 BW 600.57 1 TW TW 604.68 TW
I TW 604.76 /
605.04 605.06
TW 607.50
� TW 604.70 TW 604.72 TW 604.85 LEGEND
TW 606.77 TW
TW 605.86 EOP 604.88 �6005PEOP
I EOP 605.46 'EOP 605.14 6os�e i EXISTING PROPERTY LINE
607.20 I 605.18 .10 I NCDOT STEEL BEAM GUARDRAIL PROPOSED PROPERTY LINE
II 225 LF (FACE AT E.P.)
o 605.61
NCDOT STEEL BEAM c3
EXISTING BUILDING
GUARDRAIL AT E.O.P. 1s+81.so
I I 605.4101NT
PROPOSED BUILDING
EOP EOP EOP
EOP 605.
EOP 605 605.38 Tw 604.96 MINE PERIMETER
TW 605.86 606.28 605.46 605
18 EOP 05.14 605.11 \
TW s05.27 TW \ Ivv I PROPOSED SECURITY FENCE
TW 606.67 so4.7o snA TW TW TWTW / TEMPORARY DIVERSION DITCH
60504.76 .04 604.88 BW 04.68 11M
/ I I\ ` 5s2.98 BW \ BW 602.60 TEMPORARY SILT FENCE
TW 607.00 BW 596.82
BW 600.35 BW 596.87 BW F BW (TOP 591W
BW 604.90 BW 603.35� 591.00' STRUCTURE) BW I BW 59s.00 Ivy / PROPOSED ENERGY DISSIPATOR
STRUC 596.37 602.00
TW 607.33 594.64/ TEMPORARY CHECK DAM
BW 606 1 STREAM INV.
I-591.87 / MINE HAUL ROAD
BW soo.o
NCDOT STEEL / / DISTURBED AREA
I BEAM GUARDRAIL /
RETAINING WALL SHOP DRAWING COMPLETED BY A NORTH / STONE OUTLET
CAROLINA PROFESSIONAL ENGINEER TO BE SUBMITTED FOR REVIEW TEMP. SLOPE DRAIN
/ AND APPROVAL
STONE INLET PROTECTION
S.D.O.
r--1
L_J
E]
x x
x x
TD>
0
r
STORM DRAINAGE OUTLET
MINI G LIMI S
30 60 �10 / 120 '
SKIMMER BASIN #24/
S.D.O. #24 I I / V. = 60'
0, LaBeLLa
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© 2019 LaBella Associates
ALAMANCE
AGGREGATES, LLC
Mr. Chad Threatt, VP
Snow Camp Mine
NO:
DATE:
DESCRIPTION:
REVISIONS
PROJECT NUMBER:
2190335
DRAWN BY:
KCG/ATC
REVIEWED BY:
PAS
ISSUED FOR:
REVIEW
DATE:
5/28/19
DRAWING NAME
111=60'
SEDIMENTATION &
EROSION CONTROL
PLAN
DRAWING NUMBER:
301 B