REP28731

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 7/14/1981
• Doc Name: POND D
• Media Type: M
• Archive: No

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/ PRINCIPAL OUTLET STA. 5 +60
TEST PIT #1
o
N EVE
E
a6
6 y
F
0 26 50 100 200
�t-
DITCH
02
i
PFGRADE`
INSIDE OF POND FOR
REQUIRED VOLUMES
EST OF EMBANKMENT ELEV. 6854.9
24 RIPRAP
N
W
D:
V
a
W
tr
W
v
LL
G
;v
11
5
00-
EMBANKMENT
BO
10
W
-
BO
W
9
AREA
u.
TO-
6
cc
01
V
7
L=WEIR L'NOTH
50.8
/
6
so-
_
r
1400
5
-
CO-
-
W
4
1200
/
30
R. 24 HR. W
3
--
10
1000
2
-
CAPACITY
1
/
600
GN SEDIME
�O
LEVEL El
1111or
6840 6845 6850 6855
ELEVATION (FEET)
AREA - CAPACITY CURVES
i�
LL
V
W
t7
C
1 CREST OF 0
4 EMERGENCY SPILLWAY T
ELEV.-_6650.5 - - -- -G
EMERGENCY SPILLWAY CROSS SECTION SCALE: 1=20'
SLOPE AT 3:1
to-
5
00-
EMBANKMENT
BO
$4.9
W
t=
BO
W
-
1800
u.
TO-
W
cc
01
V
so-
L=WEIR L'NOTH
50.8
11
C =2.8
so-
_
r
1400
-
CO-
-
W
<
1200
-
30
R. 24 HR. W
20
--
10
1000
6fww
5
CREST O
EMBANKMENT
2000
$4.9
W
W
01
-
1800
Q= CLHC /2
LL
H= HEAD
01
EMERGENCY
1600
L=WEIR L'NOTH
50.8
11
C =2.8
_
r
1400
-
-
W
G
1200
-
�'
R. 24 HR. W
S. EL. 684
--
1000
-
600
GN SEDIME
�O
LEVEL El
68<6.5
600
GROUNG
SURFACE
400
DEP
H OF REQ
IRED STRI
PING
200
PRINCIPAL.
18 CMP
SPILLWAY
AT ST A.
& OUTLET
5 60
1.0 2.0 3.0 4.
E
DEPTH OF FLOW OVER CREST (FFFT1
]� 24" +
IL I is"
D
-2 ±00 -1 ±00
Otoo 1 +00 2 +00 3 +00 4100 5 +00 6 +00 7 +00 6 +00 9+00 10+00
tj Tic A1.E:a
VERT. I'-10'
TEST PIT #1 HORZ. 1= loo'
CROSS SECTION THROUGH EMBANKMENT CENTERLINE
-6660
h
W
-6850 W
I
z,
O
a
-6640 w
J
W
6830
HEAD OVER RISER CREST (FEET)
RISER PIPE RATING CURVE
1
TYPICAL SECTION DITCH DI
1 2 VARIES
4 =0"
TYPICAL SECTION DITCH D2
VARIES
TP -1 TP -2
0 ;Z3 0
W
5
CREST O
EMBANKMENT
EL. 66
$4.9
W
W
01
-
W
LL
LL
01
EMERGENCY
SPILL
AY EL. 6
50.8
11
_
r
d
-
-
W
G
10
01
r
10
R. 24 HR. W
S. EL. 684
9.9 _
-
DES
GN SEDIME
T STORAGE
LEVEL El
68<6.5
NATURAL
GROUNG
SURFACE
DEP
H OF REQ
IRED STRI
PING
PRINCIPAL.
18 CMP
SPILLWAY
AT ST A.
& OUTLET
5 60
tj Tic A1.E:a
VERT. I'-10'
TEST PIT #1 HORZ. 1= loo'
CROSS SECTION THROUGH EMBANKMENT CENTERLINE
-6660
h
W
-6850 W
I
z,
O
a
-6640 w
J
W
6830
HEAD OVER RISER CREST (FEET)
RISER PIPE RATING CURVE
1
TYPICAL SECTION DITCH DI
1 2 VARIES
4 =0"
TYPICAL SECTION DITCH D2
VARIES
TP -1 TP -2
0 ;Z3 0
W
5
00
W
W
01
-
W
LL
LL
01
1
1
_
11
_
r
d
-
-
W
G
10
01
r
10
D
LOGS OF EXPLORATORY TEST PITS
LEGEND
® TOPSOIL, CLAY, SANDY, MOIST, DARK BROWN
© CLAY, SLIGHTLY SANDY, MEDIUM SOFT TO STIFF,
MOIST TO VERY MOIST, GRAY TO DARK BROWN (CL)
INDICATES THE DEPTH AT WHICH A THIN WALL BRASS
TUBE WAS PUSHED INTO THE STRATUM
NOTE:
TEST PITS WERE EXCAVATED ON-OCTOBER 3,
1979 USING A TRACTOR MOUNTED BACKHOE.
1 Hereby Certify That These AS -BUILT CONSTRUCTION PLANS For
ENERGY FUELS CORPORATION, Energy Minee 1 & 2, SEDIMENTATION DAM
'D' Were Prepared Under My Direct Superv)clon For The Ownerc .Thereof.
1, ENERGY FUELS CORPORATION, Owner, Whose Poctoffice Box G,
Steamboat Springe, Colorado, 80477, Do Hereby Accept And Approve
These Plant For The Conctruction Of The Energy Minet 1 C 2,
SEDIMENTATION DAM 'D'.
Owner
Approved On The Dey Of 19
By:
Deputy
STATE OF COLORADO
DIVISION OF WATER RESOURCES
Plant Reviewed by
Design Review Unit
Approval Recommended by
Supervisor -Dam Safety Branch
ENERGY FUELS CORPORATION
PO BOX G-STEAMBOAT SPRINGS, COLORADO-60477
AS BUILT CONSTRUCTION PLA14S
FOR E14ERGY MINES 1 & 2
SEDIMENTAT[OW POND d
ROUTT COUNTY, COLORADO
WATER DIV. 6, WATER DIST. 57
CTL /THOMPSON, INC.
CONSULTING GEOTECHNICAL
AND MATERIALS ENGINEERS
1701 SOUTH FEDERAL BLVD. SUITE D- DENVER, COLORADO.60210
DATE: 8 - -60 DRAWN BY: RUB CHECKED BY: RWT
P025 JOB NO. 6426 SHEET 1 OF 4
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