14-Snow Camp Plan Sheets-302 SED BASIN GRADING

\ SKIMMER BASIN #1
1
\ \ TEMP
\ SEDIME
\ FENCE
ONE QQTLET \
FLOATING
SKIMMER
CLASS I R RAP
2'Wx6'Lx2' 21 "
- THICK
SKIMMER BASIN #1 \
BOTTOM BASIN ELEVATION: 564.00 POROUS \
WATER LEVEL ELEVATION: 567.50 BAFFLES `
TOP DAM ELEVATION: 569.00 (TYP.) �` \ SM
TOP DAM WIDTH: 5' ` -
WEIR LENGTH: 10' \
MIN SURFACE AREA: 3104 FT2
MIN VOLUME: 7932 FT3ORIFICE \
SI SKIMMER SIZE: 1"=50'
STONE UTLET ' - _ - C -1 H?I AP
(TYP.) 2, tx6'Lx2'W 1 " THICK _ -
ri
- I ; � x - x x
x-x-x-x-x-
\ 10 - -x-x-x
-x-WEIR
\ ��\ CLASS I TRAP- - SKIMMER BASIN #2 FLOATING
POROUS 2'Wx6'Lx2'W 21" I SKIMMER
THICK
\BAFFLES
\ u 570\
FLOING 0
SKIMMER BASIN #3
A /
00 /
POROUS
D ` �/ \ / 10' WEIR- / \ BAFFLES
SKIMMER BASIN #2 SKIMMER BASIN #3 (TYP.)
BOTTOM BASIN ELEVATION: 571.00 BOTTOM BASIN ELEVATION: 572.00 Q�
WATER LEVEL ELEVATION: 574.50 / WATER LEVEL ELEVATION: 575.50
TOP DAM ELEVATION: 576.00 575 573 TOP DAM ELEVATION: 577.0
TOP DAM WIDTH: 5' k TOP DAM WIDTH: 5'
WEIR LENGTH: 10' k WEIR LENGTH: 10' Win,
MIN SURFACE AREA: 1225 FT2 k MIN SURFACE AREA: 2926 FT2 �C
MIN VOLUME: 2703 FT3 k� MIN VOLUME: 7652 FT3
ORIFICE DIA.: 1.0" k�k ORIFICE DIA.: 1.5"
SKIMMER SIZE: 2" 1 "=50' SKIMMER SIZE: 2" 1 "=50
/ \ v
4'
FE
sos/ POROUS I (TYP. SKIMMER BASIN #7
BAFFLES
60 60 (TYP.) / /
SKIMMER BASIN #6 1g 00- 6 \
LOLO
1a FLOATING i
SKIMMER 0 0
FLOATING
SKIMMER
���60,2.00
TEMP _ CLASS I RIPRAP
SEDIMENT 2'Wx6'Lx2'W 21"
FENCE 4' WEIR THICK I TEMP
SKIMMER BASIN #6 �i 1\ SKIMMER BASIN #7 FEN IM
BOTTOM BASIN ELEVATION: 597.00 / BOTTOM BASIN ELEVATION: 601.50 CLASS I RIPRAP
WATER LEVEL ELEVATION: 600.00 STONE OUTLET 0 WATER LEVEL ELEVATION: 605.00 _ 2'Wx6'Lx2'W 21 "
TOP DAM ELEVATION: 601.50 ( (TYP.) 0 TOP DAM ELEVATION: 606.50 THICK STONE OUT
TOP DAM WIDTH: 5' \ \
TOP DAM WIDTH: 5' (TYP.)
WEIR LENGTH: 4' WEIR LENGTH: 5' 0 S96
MIN SURFACE AREA: 1404 FT2 1 MIN SURFACE AREA: 1682 FT2 _
MIN VOLUME: 2934 FT3 - MIN VOLUME: 3984 FT3
ORIFICE DIA.: 1.0" ORIFICE DIA.: 1.25"
SKIMMER SIZE: 1.5" 1"=50' } SKIMMER SIZE: 1.5" 1 50'
POROUS
BAFFLES
(TYP.)
SKIMMER BASIN #11
BOTTOM BASIN ELEVATION: 588.50
Z\
WATER LEVEL ELEVATION: 592.00
TOP DAM ELEVATION: 604.00
TOP DAM WIDTH: 5'
WEIR LENGTH: 4'
MIN SURFACE AREA: 2888 FT2
MIN VOLUME: 6895 FT3
/
ORIFICE DIA.: 1.5"
SKIMMER SIZE: 2" 1 "=50'
FLOATING
SKIMMER
4' WEIR
WE
CLASS CLASS I RIPRAP 6BO
2'Wx6'Lx2'W 21"
1 THICK
SKIMMER BASIN #11
SEDIMENT
FENCE /
/ �P RO S SEDIMENT /
/�
BAFFLES FENCE CLASS I RIPRAP
(NP') 2'Wx6'Lx2'W 21"
SKIMMER BASIN #16 / THICK
3'
i WEIR
4
\ / 11I FLOATING
\ ' SKIMME
SKIMMER BASIN #16
BOTTOM BASIN ELEVATION: 571.00
WATER LEVEL ELEVATION: 574.00 /
TOP DAM ELEVATION: 576.00
TOP DAM WIDTH: 5' o j
WEIR LENGTH: 3' j 72
MIN SURFACE AREA: 3000 FT2
MIN VOLUME:6219 FT3 }
ORIFICE DIA.: 1.5" /
SKIMMER SIZE: 2" _1"=50'
SKIMMER BASIN #12 OATING
\ KIMMER
\ \ CLASS I RIPRAP
\\ 2'Wx6'Lx2'W 21 "
\` \ THICK
I \
SEDIMENT
FENCE \
\ STONE OUTLET
\ (TYP.)
12' WEIR
POROUS
CLASS I RIPRAP 604.15 BAFFLES
2'Wx6'Lx2'W 21 " I (TYP.)
THICK
I
3' TRAPEZOIDAL e
CHANNEL /
1/ 605.00
1 � /
1 /
6 I I co
SKIMMER BASIN #8
BOTTOM BASIN ELEVATION: 613.00 ) / FLOATING
WATER LEVEL ELEVATION: 617.00 / SKIMMER
TOP DAM ELEVATION: 618.00
TOP DAM WIDTH: 5' I I
WEIR LENGTH: 12' I F7� �
MIN SURFACE AREA: 3960 FT2 I '�
MIN VOLUME: 10830 FT3 -SKIMMER BASIN #
ORIFICE DIA.: 1.75"
SKIMMER SIZE: 2"
7'
WEI
�/ (TYP.) /
SKIMMER BASIN #12
BOTTOM BASIN ELEVATION: 582.50
WATER LEVEL ELEVATION: 586.00
TOP DAM ELEVATION: 588.00
TOP DAM WIDTH: 5'
WEIR LENGTH: 7' I
MIN SURFACE AREA: 3534 FT2
MIN VOLUME: 16874 FT3
ORIFICE DIA.: 2"
SKIMMER SIZE: 3" 1 "=50'
SKIMMER BASIN #13 - STONE OUTLET
(TYP.)
91
WEIR
L FLOATING
SKIMMER
\ CLASS I RIPRAP -
2'Wx6'Lx2'W 21"
THICK
POROUS
BAFFLES \
(TYP.) I \
I SKIMMER BASIN #13
1 BOTTOM BASIN ELEVATION: 591.00
I �r WATER LEVEL ELEVATION: 594.00
I TOP DAM ELEVATION: 595.50
TOP DAM WIDTH: 5'
/ SEDIMENT l WEIR LENGTH: 9'
\ FENCE MIN SURFACE AREA: 2775 FT2
MIN VOLUME: 6453 FT3
\ / ORIFICE DIA.: 1.5"
\ SKIMMER SIZE: 2" 1"=50'
+ CLASS 'I RARAP
SKIMMER BASIN #17
\
POROUS
2'Wx6'Lx2'W 21"
THICK
I
POROUS
BAFFLES
FLOATING
BAFFLES
O ZZ44
(TYP.)
SKIMMER
(TYP.)
T
BASIN #18 FL ING
622
SKIMMER
BASIN #18
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= 61 f`°06� i
WEIR
SKIMMER
I
�
rw'
BASIN #17
SKIMMER BASIN #17
SKIMMER BASIN #18
BOTTOM BASIN ELEVATION: 620.00
STONE
BOTTOM BASIN ELEVATION: 620.50
WATER LEVEL ELEVATION: 623.00
OUTLET
+ WATER LEVEL ELEVATION: 623.50
TOP DAM ELEVATION: 625.00
(TYP.)
TOP DAM ELEVATION: 625.00
80' 0 24" RCP
I
TOP DAM WIDTH: 5'
/ TOP DAM WIDTH: 5'
01.0/
Iwo
WEIR LENGTH: 4'
CLASS I RIPRAP
"
+
WEIR LENGTH: 6'
MIN SURFACE AREA: 3750 FT2
2'Wx6'Lx2'W 21
+
MIN SURFACE AREA: 2345 FT2
STONE
I MIN VOLUME: 8199 FT3
THICK
/�
MIN VOLUME: 4609 FT3
TLET S 1 4'
SEDIMENT
FENCE
1
ORIFICE DIA.: 1.5"
FES SEDIMENT
_
- 611.
V \ /
9 ORIFICE DI) 6'
INV. = 612.5f%
SKIMMER SIZE: 1"=50'
FENCE
/
SKIMMER,' WEIR 1"=50'
SEDIMENT �TONVOJALET SKIMMER BASIN #21
FENCE P.) I BOTTOM BASIN ELEVATION: 614.50
\ CLASS I WATER LEVEL ELEVATION: 617.50
\ RIPRAP TOP DAM ELEVATION: 619.00 ,
\ 2'Wx6'Lx2'W TOP DAM WIDTH: 5'
21" THICK WEIR LENGTH: 6'
MIN SURFACE AREA: 2016 FT2
6' FLOASKIMR T4MIN VOLUME: 4482 FT3
WEIR ORIFICE DIA.: 1.25"
SKIMMER SIZE: 2.0" 1 "=50'
I
POROUS I
BAFFLES
(TYP.) I
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CLASS I RIP AP
2'Wx6'Lx2'W 21"
THICK
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� STONE /
OUTLET
(TYP.)
WEIR
SKIMMER BASIN #14
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POROUS
/BAFFLES
/ (TYP.)
I / 0
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608
SEDIMENT
FENCE +
\4-
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/ SKIMMER BASIN #19
BOTTOM BASIN ELEVATION: 623.00
POROUS / / WATER LEVEL ELEVATION: 626.00
BAFFLES / TOP DAM ELEVATION: 627.50
(TYP.)1 / TOP DAM WIDTH: 5'
WEIR LENGTH: 5'
IL 5' MIN SURFACE AREA: 1740 FT2
TD_:!�_ WEIR MIN VOLUME: 3168 FT3
/ ORIFICE DIA.: 1.0"
SKIMMER SIZE: 1.5" 1 "=50'
STONE
FLOATING OUTLET
SKIMMER (TYP.)
I CLASS I RIPRAP
2'Wx6'Lx2'W 21 "
THICK
SEDIMENT
FENCE \
SKIMMER
BASIN #19
SKIMMER BASIN #22 ti4
6' BOTTOM BASIN ELEVATION: 604.00 SEDIMENT SKIMMER BASIN #23
WEIR WATER LEVEL ELEVATION: 607.50 I �` \ \ FENCE \ BOTTOM BASIN ELEVATION: 602.00
/ TOP DAM ELEVATION: 608.50 TONE OUTLET \ \ WATER LEVEL ELEVATION: 605.00
TOP DAM ELEVATION: 606.50
SKIMMER BASIN #22 TOP DAM WIDTH: 5'SEDIMENT WEIR LENGTH: 4' TOP DAM WIDTH: 5'
FENCE / MIN SURFACE AREA: 1250 FT2 \ WEIR LENGTH: 16'
/ MIN VOLUME: 2544 FT3 MIN SURFACE AREA: 5000 FT2
/ ORIFICE DIA.: 1.0"
MIN VOLUME: 12444 FT3
OUTLET }/ SKIMMER SIZE: 1.5" 1"=50' ORIFICE DIA.: 1.75"
STONE
(TYP.) OUTLET
/ �- / 16' SKIMMER SIZE: 3.0" 1"=50'
WEIR 1 � \ N A,
CLASS I RIPRAP ( CLASS I RIPRAP
2'Wx6'Lx2'W 21" 2'Wx6'Lx2'W
THICK THICK 21
THICK \ \
(COATING FLOATING 1
SKIMMER A_ I SKIMMER 1
I POROUS \
/ POROUS \ BAFFLES
BAFFLES I \ (TYP.) \ \
(TYP.)
SKIMMER BASIN #23
NOTE: SKIMMER BASIN #9 NOT USED ON THIS PROJECT
/ STONE OUTLET
(TYP.) J
CLASS I RIPRAP
2'Wx6'Lx2'W 21 "
THICK
FLOATING _
SKIMMER
SEDIMENT
FENCE
\ POROUS
BAFFLES
\ (TYP.)
\ SKIMMER BASIN
- SKIMMER BASIN #4
-_ 50' BUFFER
8' WEIR V
POROUS �-
BAFFLE&- '11P. )
SKIMMER BASIN #4
BOTTOM BASIN ELEVATION: 604.50
WATER LEVEL ELEVATION: 608.00
TOP DAM ELEVATION: 609.50
_-TOP DAM WIDTH: 5'
WEIR LENGTH: 8'
J MIN SURFACE AREA: 2312 FT2
MIN VOLUME: 5822 FT3
ORIFICE DIA.: 1.25"
SKIMMER SIZE: 2"
CLASS I RIPRAP
2'Wx6'Lx2'W 21"
THICK
SIT l l
FLOATING
SKIMMER
ISKIMMER BASIN #14
BOTTOM BASIN ELEVATION: 601.50
WATER LEVEL ELEVATION: 604.50
\ TOP DAM ELEVATION: 606.00
\ TOP DAM WIDTH: 5'
WEIR LENGTH: 11'
MIN SURFACE AREA: 3600 FT2
MIN VOLUME: 8496 FT3
ORIFICE DIA.: 1.5"
SKIMMER SIZE: 3" 1 "=50'
POROUS BAFFLES
(TYP.)
BASIN #20
FLOATING
SKIMMER
STONE OUTLET \ TEMP _
(1yP) SEDIMENT 1
I � \ FENCE 1 1
CLASS I RIPRAP
/ 2'Wx6'Lx2'W 21"
THICK
6%WEI R
1 �
FL(
G
KIMMER �
Pof66S /
/bAFFLF
61
SKIMMER)
BASIN #5
x
CLASS I RIPRAP
2'Wx6'Lx2'W 21 " x
THICK POROUS
BAFFLES
(TYP.)
x
SEDIMENT\
SEDIMENT
FENCE
\ x
SKIMMER BASIN #15 x
x
I
Ix
\ I
x
$> I
\/
WEIR
SKIMMER BASIN #15 x
BOTTOM BASIN ELEVATION: 590.00
WATER LEVEL ELEVATION: 593.50
I
TOP DAM ELEVATION: 595.50 x
TOP DAM WIDTH: 5'
WEIR LENGTH: 8'
MIN SURFACE AREA: 7020 FT2 \ x
MIN VOLUME: 18580 FT3 'll'
FT'
ORIFICE DIA.: 1.75"
SKIMMER SIZE: 5" 1 "=5p'
STONE I� SKIMMER BASIN #20
OUTLET (TYP.) BOTTOM BASIN ELEVATION: 613.00
WATER LEVEL ELEVATION: 616.00 /
TOP DAM ELEVATION: 617.50 /
77' TOP DAM WIDTH: 5' /
WEIR LENGTH: 8' /
MIN SURFACE AREA: 2720 FT2
8' MIN VOLUME: 6360 FT3
WEIR ORIFICE DIA.: 1.25"
7 SKIMMER SIZE: 2.0" 1 "=50'
\ I
ICLASS I RIPRAP
I 2'Wx6'Lx2'W 21" /
/ \ THICK
SEDIMENT
FENCE
_
1 / I I ui
Il SKIMMER BASIN #24
BOTTOM BASIN ELEVATION: 620.00
\ WATER LEVEL ELEVATION: 623.00
TOP DAM ELEVATION: 624.50 ;
TOP DAM WIDTH: 5'
\ WEIR LENGTH: 16' r
MIN SURFACE AREA: 5350 FT2
\ MIN VOLUME: 13368 FT3
ORIFICE DIA.: 1.75"
SKIMMER SIZE: 3.0" 1 "=50'
16'
WEIR
72
S
SKIMMER BASIN #25
BOTTOM BASIN ELEVATION: 632.00
WATER LEVEL ELEVATION: 635.00
TOP DAM ELEVATION: 636.50
TOP DAM WIDTH: 5'
WEIR LENGTH: 4'
MIN SURFACE AREA: 1400 FT2
MIN VOLUME: 2886 FT3
ORIFICE DIA.: 1.0" FLOATING
SKIMMER SIZE: 2.0" 1"=50' SKIMMER
/
SKIMMER BASIN #25-
/ 4'
/ WEIR
40
SEDIMENT
FENCE /
STnNF WTI FT
KIMMER BASIN #5
BOTTOM BASIN ELEVATION: 597.00
`WATER LEVEL ELEVATION: 600.50
TOP DAM ELEVATION: 602.00
TOP DAM WIDTH: 5'
WEIR LENGTH: 6'
MIN SURFACE AREA: 1690 FT2
MIN VOLUME: 3914 FT3
ORIFICE DIA.: 1.5"
SKIMMER SIZE: 1.25" _ 1"=50'
FLOATING
SKIMMER
Off'
/ POROUS
BAFFLES
(TYP.)
i
/ CLASS I RIPRAP
2'Wx6'Lx2'W 21"
THICK
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© 2019 LaBella Associates
ALAMANCE
AGGREGATES, LLC
Mr. Chad Threatt, VP
Snow Camp Mine
N0:
DATE:
DESCRIPTION:
REVISIONS
PROJECT NUMBER:
2190335
DRAWN BY:
KCG/ATC
REVIEWED BY:
PAS
ISSUED FOR:
REVIEW
DATE:
5/8/19
DRAWING NAME
SKIMMER BASIN
GRADING
DRAWING NUMBER:
302