2019-10-10_PERMIT FILE - C1980007A ‎(3)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 10/10/2019
• Doc Name: Sediment and Drainage Control Sylvester Gulch Facilities Area
• Section_Exhibit Name: Map 54B
• Media Type: M
• Archive: Yes

DETENTION BASI
41 B B 42 B1
1
CULVERT CCW-1
INLET
CCW-IA
W2
r
42 A3
39 B y�
DCW-6A
y
ell
r+ 4
1 r�`� 3 7 L,' , CCW 1B
5 3 � �„ � GENERFAN ATOR
. KUP
LY-1 c� � t 3�D
LY-lA�-- `38 A 38 B V NITROGEN SUPPLY r CSLY-25 42 A2
...w -
FACILITY
»—CSLY-2
' SHAFT NO.2 MINE VENTILATION INTAKE AIR HEATIN UILD G 43D
r � r
DSG-1
!r
SHAFT #2 (EXHAUST) 43E
L 39C f A 3' D 43
`' % ♦� SHAFT #3 (EXHA )
SAE for Shaft 3
DCW-4 'Ly, ^`-- SYLVE'STER GULC 39 A j/� o . ``�. �
�
I/ � l
� tf
..r„r,r SLY-5 SHAFT #1 (INTAKE) I
DSLY- .'r---. -`_` � .-+
--___
to 04
25 DEGAS BOREHOLE
C LY-4 3 DSLY-4 C, -1! DCW-&B I3CW-6C DROPS q 43B
' MR-348
INTO CC1T-1 Y-15 SLY 2
CSLY-5 ""'�"r..-� �' �- CSL'f�8� `.mom- DSLI r��^y THIS POINT
3 ( C a► SLY-23
� 48 A s r--. ! CSLY--18A
49C2 SAE for 43A
-'' Sylvester Gulch Fan 3 B
4 AI A
49B2 '""..�, ' x 140' /
70 . q
I'
1015 SYL Y
40B = DSL �-� '�� 4ELE TRI BOREHOLE
--_R ST,�� 42 Al B .�-- SAE for Electric SLY 24
LY-sUL� , -11)
116 �I r- Borehole
• 1
3 1 q CSLY-19 �.,� CSLY-21 ._ DEGAS BOREHOLE
49C1 49B1 1 -
• 49 A5 SAE for Degas-11)
SLY-la DSG-1A Borehole
• �Lr `' .
SIM 49 A4 _. '��
r c _ 2227
1 CSLY-2a Sediment
Pond _ 21 28
SAE for Liv Subsoil 4�C
,» • Stockpile # SLY-11 �.___ 4 8i B
49A3 1t �
- CSLY-29 - _ CSLY-17 9s1,`t�l
- _' --- ---_ e
* CSLY _--
'�- DSLY 2a --
DSLY-21 \\ ` � � i--f DSLY-11
• CSLY-12 l 4 A `"-SAE for Dewat ring
Borehole Build' g 46 B2
• + \
• 46At ', 45B
44A
. 47B 4,9A \ \ � 46B1
� � CSLY-13 '`�-___...-���-
'` DSLY-1a
'` - SAE for
p Topsoil Pile 1
bs'` s
SAE for Substation
• Mine $ 9 Al
Water
Tank Y-14
r'^
SAE for
Topsoil Pile #3
° SAE or Water Tan 47 A
46B
46G
f O
46C 46D
18 21
s
�y
46E
46F
Notes.'
• Berms have been constructed primarily for
vehicle safety. AX
__--
• Silt fences are constructed at various sites as added
sediment control, or to slow sheet flow velocities
LEGEND • Mtiscellaneous internal ditches and culverts 1�IR-438
Approved 10/10/19 � 3��' ��
may be added to facilitate access, etc.
If added, they would be sized equivalent to or
D1 t C h greater than the next downstream ditch or culvert.
Culvert Vert • Due to limited level space on the Mine site, supplies RANGE 9(J WEST, TOWNSHIP 13 SOUTH
and materials may be stored along roads and other �rrr••
open, previously disturbed areas, within the drainage
$ 4# �1 tCh mum ber control system, except pond embankments, topsoil stock- Mountain Coal Company
C-I-I- Number piles, and permanently revegetated areas, though not ©Q,pDO ilk
#—# Culvert 1v um ber identified as such on this reap. Storage areas will be ��.••.•••�•••.l�s West Elk Mine, Mountain Coat Company, L.LC.An Arch Coal Company
consolidated to the extent possible. G `Vj •.
5174 HWY. 133 Somerset, CO 81434 y
Small Area Exemptions • Locations of Main Mine Site sediment and drainage m;See Exhibit 66 control facilities are shown on Map 54. THE CHANGES TO THIS DRAWING WERE PREPARED UNDER �'•' M`�� � � Sediment
ed� �'n and Drainage Dn t1"OI
for Demonstrations and Details MY SUPERVISION AND REPRESENT INFORMATION THAT IS Sylvester Gulch Fa cili ties Area West Ells Mine
• Locations of RPL' Last Expansion sediment and drainage ACCURATE TO THE BEST of MY KNOWLEDGE_ O •
control facilities are shown on Map 54G` �fiS•••....••••��k' ENGINEERINGIDRAWNG BY DATE SCALE
Watershed Boundary `��a�A�EN TAW � '
• Locations of the sediment and drainage control facilities for / / 11'712019 1 =300
the Haul Road west of the RPE Last Expansion are shown �•, !�
on Map 54C. APPROVED BY DATE REV - REV NO. ACAD DRAWING NO.
` JA W 0'9117119 — MR438 SFMAP54B.a wg°