PERMFILE48324

• Permit No: C1981038
• IBM Index Class Name: Permit File
• Doc Date: 4/25/1989
• Doc Name: 1983 WASTE DISPOSAL AREA DETAILS
• Section_Exhibit Name: MAP 6A-2B SHEET 2 OF 7
• Media Type: M
• Archive: No

I 2 3 4
L
GROUND SURFACE
I I b
2 2
Fes- 5' -0" — 2'-0
SECTION B -B OF DIVERSION DITCH
N.TS.
I
L
F
E
Is7
N
C'
Q
GROUND S
5 1 6 1 7 8
SECTION C -C_ OF DIVERSION DITCH
N.T.S.
SCALE 1 "- 8' -0"
RI PRAP 3° 12" ZL
CREST OF DIKE
o. O
1
( + + +
EMERGENCY SPILLWAY
/2-6" 2-6" PRINCIPAL SPILLWAY, 3 -18 INDIA,
DEWATERING DEVICE CONDUIT, - \ CORRUGATED STEEL CONDUITS
1 FT DIA. CORRUGATED STEEL CONDUIT 4
RUBBER, BOLT -ON, ANTI - SEEPAGE COLLARS
SECTION E- E SPILLWAY CROSS- SECTION
SCALE I "= 4 -0"
I
9 10 II 12 13 1 14 1 15 1 16 1 17 1 18
4 -61N DIA. CORRUGATED STEEL CONDUIT,
10INLONG, CUT IN HALF LENGTHWISE,
TACK WELDED TO RISER PIPE
IFT DIA. CORRUGATED STEEL
CONDUIT RISER PIPE
1
1
I
I I m
1 1
+1 MAXIMUM SEDIMENT EL. 6798.5
` STORAGE LEVEL
1 '
, , N
1
18 IN ABOVE BOTTOM
OF RISER
4 -1 IN DIA. HOLES OPEN TOP AND BOTTOM
AT 90* AROUND RISER WALL
SECTION F -F DEWATERING DEVICE RISER PIPE
SCALE I" = 6'- 0"
NOTE: REMOVE 2' TOPSOIL THIS
THIS AREA (TYP. ALL ROADS)
TOP OF EXIST. GRADE
rt ROAD
1.5 NOTE: WASTE DISPOSAL ACCESS
I - ROAD STA. 1+61 T06+10
WILL NOT HAVE PIT RUN
14-0 COVERING
12%
TOP OF FINAL �.:.. .e•C'�� .' .e.O'o': -: °.r:o° .'.:p °,.a 1.5
GRADE
• I
1' -0" THK. PITRUN 10 y,
/
EL.6800
0
I
M
:A
I
M
o
I �
b
b
0
0
SECTION G -G OF ROAD
N.T.S.
2" 0 GALV. SCH. 40
PIPE
NO. 5 REBAR X 24"
TACK WELED ONTO
PIPE
NO. 5RESAR X 12"
TACK WELDED ONTO
PIPE (TYP.5- PLC.S.)
1' -0" 0 CONC. POST HOLE
POND BOTTOM
' %/✓ ,\\ 044
b a�44
LI -0"
DIA.
ELEVATION MARKER
NTS
TOP OF EXIST. GRADE
TOP OF EXIST. GRADE
E ROAD
1.5
I
T
14 0" 15
I 1
TOP OF FINAL
GRADE \ ''a�;0:;` •''D °: :o ". se.
I' -0" THK.
PITRUN
FLOWLINE OF
DITCH
SECTION H -H OF ROAD
\ \ NTS
\ \ 20,
` r
DER OF DITCH
//
` REMOVE 2' TOPSOIL IN DISTURBED
AREA AND 5' BELOW EMBANKMENT
30, -0' - y�30'-0"
1 6" THK, 3" MINUS
0.
.;.'.'.;o °.oOn 000'0;. °.•g.
: °:� ?.° .o o'(��°od O°p Vie' ° o •: 6. Q•a ;l.. aOL>';j -V
I' -0" THK. PIT RUN
\ -Z
_PROFI LE
DITCHSWALE DETAIL
- - _- __ _ - _- NTS
AFTER FINAL GRADES OF EMBANKMENT
POND BOTTOM ARE CONSTRUCTED COVER WITH 2'
�\ OF TOPSOIL ON OUTSIDE SLOPE B
TOP OF DAM
EMBANKMENT CONST. `\
FROM SUBSOIL /
\ S'
SEDIMENTATION POND
TYPICAL SECTION
NTS
rib
6�
0"111/S /o/v
MAP N0. 6A -2B
L
i
r
It'
F
E
0
C
I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I
REV DATE DESCRIPTION 004302 iY
-14- DEFINED RIP RAP SIZE I MW
APPROVALS DATE COLORADO WESTMORELAND INC.
OORCHARD VALLEY MINE O B
DESIGN M. MADRIL 6/29/83 PO. BOX E PaoniD CO 81428
/N DRAWN J.MENKE 6/29/83 TITLE
' �" CHIEF ENG. 1983 WASTE DISPOSAL AREA
' REFERENCE
•�' DRAWING AP No. CA -a Q
/ DETAILS
DESCRIPTI ON A
1 1 2 1 3 1 4 1 5 1 6 1 7 I 8 1 9 1 10 II 12 13 14 15
ENG. NO DRAWING NO. SHEET
EE83 -03 DOIG0202 6 OF 7
16 17 18
FORM rw1 !r -1 s /ant
PRINCIPAL SPILLWAY
• 1L1 AS SHOWN IN SECTION
E AUTOMATIC DEWATERING
DEVICE,
I FT DIA, CORRUGATED
STEEL CONDUIT
10' -0" -+{
3'_5' MODIFIED AS SHOWN
IN SECTION F -F
EMERGENCY SPILLWAY
2 4-0
M
AS SHOWN IN SECTION E -E
\
'
"o.•'
°••
_ EL. 6801.5
2% GRADE
U.1 EL. 6800
RIPRAP CHANNEL
o
a EL6798.5
.xx
AS IN SECTION EE I
EL.6797
2
.. $' -
I FT. MINIMUM •.pO
II
�—
2 %GRADE
1 �� =�
- O
I
o
I
Q
I
F6.
-O"
QD
oBOTTOM
DEPTH OF RIPRAP.3" P" °' 2
8-0"
2 °'
- -
- - - - - -
GROUND SURFACE
OF POND EL. 6792
S -
DOWNSTREAM
��- -20'
-0 "MIN.
RUBBER, BOLT- ON, ANTI- SEEPAGE COLLARS
ELEVATION MARKER
(SUPPLIED BY C.W.I.)
SECTION D -D
SEDIMENTATION POND
DIKE
SCALE 1 "- 8' -0"
RI PRAP 3° 12" ZL
CREST OF DIKE
o. O
1
( + + +
EMERGENCY SPILLWAY
/2-6" 2-6" PRINCIPAL SPILLWAY, 3 -18 INDIA,
DEWATERING DEVICE CONDUIT, - \ CORRUGATED STEEL CONDUITS
1 FT DIA. CORRUGATED STEEL CONDUIT 4
RUBBER, BOLT -ON, ANTI - SEEPAGE COLLARS
SECTION E- E SPILLWAY CROSS- SECTION
SCALE I "= 4 -0"
I
9 10 II 12 13 1 14 1 15 1 16 1 17 1 18
4 -61N DIA. CORRUGATED STEEL CONDUIT,
10INLONG, CUT IN HALF LENGTHWISE,
TACK WELDED TO RISER PIPE
IFT DIA. CORRUGATED STEEL
CONDUIT RISER PIPE
1
1
I
I I m
1 1
+1 MAXIMUM SEDIMENT EL. 6798.5
` STORAGE LEVEL
1 '
, , N
1
18 IN ABOVE BOTTOM
OF RISER
4 -1 IN DIA. HOLES OPEN TOP AND BOTTOM
AT 90* AROUND RISER WALL
SECTION F -F DEWATERING DEVICE RISER PIPE
SCALE I" = 6'- 0"
NOTE: REMOVE 2' TOPSOIL THIS
THIS AREA (TYP. ALL ROADS)
TOP OF EXIST. GRADE
rt ROAD
1.5 NOTE: WASTE DISPOSAL ACCESS
I - ROAD STA. 1+61 T06+10
WILL NOT HAVE PIT RUN
14-0 COVERING
12%
TOP OF FINAL �.:.. .e•C'�� .' .e.O'o': -: °.r:o° .'.:p °,.a 1.5
GRADE
• I
1' -0" THK. PITRUN 10 y,
/
EL.6800
0
I
M
:A
I
M
o
I �
b
b
0
0
SECTION G -G OF ROAD
N.T.S.
2" 0 GALV. SCH. 40
PIPE
NO. 5 REBAR X 24"
TACK WELED ONTO
PIPE
NO. 5RESAR X 12"
TACK WELDED ONTO
PIPE (TYP.5- PLC.S.)
1' -0" 0 CONC. POST HOLE
POND BOTTOM
' %/✓ ,\\ 044
b a�44
LI -0"
DIA.
ELEVATION MARKER
NTS
TOP OF EXIST. GRADE
TOP OF EXIST. GRADE
E ROAD
1.5
I
T
14 0" 15
I 1
TOP OF FINAL
GRADE \ ''a�;0:;` •''D °: :o ". se.
I' -0" THK.
PITRUN
FLOWLINE OF
DITCH
SECTION H -H OF ROAD
\ \ NTS
\ \ 20,
` r
DER OF DITCH
//
` REMOVE 2' TOPSOIL IN DISTURBED
AREA AND 5' BELOW EMBANKMENT
30, -0' - y�30'-0"
1 6" THK, 3" MINUS
0.
.;.'.'.;o °.oOn 000'0;. °.•g.
: °:� ?.° .o o'(��°od O°p Vie' ° o •: 6. Q•a ;l.. aOL>';j -V
I' -0" THK. PIT RUN
\ -Z
_PROFI LE
DITCHSWALE DETAIL
- - _- __ _ - _- NTS
AFTER FINAL GRADES OF EMBANKMENT
POND BOTTOM ARE CONSTRUCTED COVER WITH 2'
�\ OF TOPSOIL ON OUTSIDE SLOPE B
TOP OF DAM
EMBANKMENT CONST. `\
FROM SUBSOIL /
\ S'
SEDIMENTATION POND
TYPICAL SECTION
NTS
rib
6�
0"111/S /o/v
MAP N0. 6A -2B
L
i
r
It'
F
E
0
C
I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I
REV DATE DESCRIPTION 004302 iY
-14- DEFINED RIP RAP SIZE I MW
APPROVALS DATE COLORADO WESTMORELAND INC.
OORCHARD VALLEY MINE O B
DESIGN M. MADRIL 6/29/83 PO. BOX E PaoniD CO 81428
/N DRAWN J.MENKE 6/29/83 TITLE
' �" CHIEF ENG. 1983 WASTE DISPOSAL AREA
' REFERENCE
•�' DRAWING AP No. CA -a Q
/ DETAILS
DESCRIPTI ON A
1 1 2 1 3 1 4 1 5 1 6 1 7 I 8 1 9 1 10 II 12 13 14 15
ENG. NO DRAWING NO. SHEET
EE83 -03 DOIG0202 6 OF 7
16 17 18
FORM rw1 !r -1 s /ant