2011-09-30_PERMIT FILE - C1980007A ‎(9)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/30/2011
• Doc Name: Permit Drawings
• Section_Exhibit Name: Exhibit 82 Appendix D
• Media Type: D
• Archive: Yes

LEGEND
6600 0 COMPACTED COLLUVIUM 0 200't(MIN) 6600 r
COLLUVIUM
UNDISTURBED ROCK FILL �"'20� EXCAVATE
COLLUVIUM COLLUVIUM
6700 6700 El 6 .55 0 / ---t \ — _ _ r SANDSTONE
EXISTING GROUND L
SURFACE � '�`� -� 1
EL 65200 1 '/ CHASE -3 1 C _ - SILSTONE WITH
5FT ROCK LAYERS EXCAVATE COLLUVIUM °PHASE 2 �- _ - SANDSTONE AND
BOTH SIDES 6500 1 6500
PHASE 3 SEDIMENT DITCH EXISTING GROUND"""��� / UNDISTURBED
CREST OF BUTTRESS COLLUVIUM �' t -_ - -- - - -]
_ \ EL 65550 / / ' -____ ___ _ SHALE
PHASE 3 ESTIMATED BEDROCK ' / e•� --
SURFACE ' 3.1= / y �;/ PHASE 1 SEDIMENT ESTIMATED BEDROCK
6600 - �• - 6600 DITCH SURFACE
SEDIMENT DITCH (TYP) COAL
CREST OF BUTTRESS EXCAVATE COLLUVIUM y ' / '
EL. 6520.0 y PHASE 2 KEY TRENCH
— — — — — — PHASE 1 B PHASE 2 '
— — — — — — PHASE 2 AND 3 WITH PERFORATED
SEDIMENT DITCH PIPE DRAIN
---- - -- -- - -� — -- - - -- -- - --- - ---�` —
— — — — — — — — — — — 6400 6400
-300 -200 -100 0 100
_PHASE 3 SEDIMENT 3 SECTION: STATION 2 +00
DITCH— — — C -04 0 50 100
6500 — — — — — — . " ;� Y' .. _� y" • r — — — — — — — — 500 SCALE IN FEET
�� •` — — —
6600; 0 COMPACTED COLLUVIUM Z1 200't(MIN.) 6600
ESTIMATED B ROCK FILL EDROCK — _ — _ — — — — — — — — — — _ — _ — _ — — —
— — — — — — — — — — — — — - SURFACE, FIELD VERIFY — — — — — — — — — — — — - UNDERDRAIN TRENCH SEE — — — — — — _ — — — L 20 EXCAVATE COLLUVIUM
— — — — — — — — — — — — — — — — — — — — — — - — — — — — — — — — — — — — — EXCAVATE COLLUVIUM EL. 6555.0 0
_ — — — — — — — — — — — — — — — — — - — — — — — — — — — — — EXISTING GROUND 15 y/ \\
— — — — — — - — — — — — — — — — — — — — SURFACE 1 y' PHASE 3 -
6400 mac
6400 EL. 6520.0 /
_ _ - -_- --
----------------- - ---- ------ ---- -- -- --- --- -- --_-- -- ------- --_- __-- -- --- ----- --- --- -- - -- ---- - - ---- - --- -- - - -- -_ - --- - --- -- ------ UNDISTURBED /� _ -PHASE 2 COLLUVIUM
------- _ -- -_ ---- _-- -_ -- _- - -_- _ - -- - -_ - --_-- - 6500- / 6500
-= _--- --- _- -- _-----_------_--_- --__-- --- ---- -- --- -----_-_----- ---- --- - -- - -- --- -- fy ,
-1+00 0 +00 1 +00 2 +00 3 +00 4 +00 5 +00 6 +00 7 +00
C21 PROFILE: BUTTRESS ALIGNMENT ✓ PHASE 1 SEDIMENT
C - Oa p 50 100 ;DITCH
I I PHASE 2 AND 3
SCALE IN FEET SEDIMENT DITCH PHASE 2 KEY TRENCH
WITH PERFORATED ESTIMATED BEDROCK
PIPE DRAIN SURFACE
5400 6400
-300 -200 -100 0 100
0 PHASE 1 -2 REFUSE FILL ZONE UNDISTURBED COLLUVIUM DURING 5 SECTION: STATION 5 +00
SURFACE. SEE SHEET C -06A PHASE 1 BUTTRESS CONSTRUCTION C -o4 0 50 100
Q Al TO REMAIN IN -PLACE DURING REFUSE I ' ,
PHASE 3 REFUSE FILL ZONE PLACEMENT IN FUTURE PHASES. SCALE IN FEET
SURFACE SEE SHEET C -OBA
6600 1 / y 6600 NOTES,
COMPACTED COLLUVIUM /
1. STRIP ALL SOILS ABOVE BEDROCK IN BUTTRESS FOOTPRINT.
2. KEY TRENCH SHALL BE EXCAVATED TO 3FT (MIN) BELOW
EL. 6555.0
1 5 y ' - ,\ 2 0' 200t(MIN�)•� y BEDROCK SURFACE ON DOWNSLOPE SIDE OF TRENCH AND SHALL
HAVE A BOTTOM WIDTH OF 1OFT (MIN) KEY TRENCH SHALL
EXTEND THE ENTIRE LENGTH OF BUTTRESS.
PHASE 3
r.
EL. 6520.0 / ____ -- - - - - -r
�� — ":.t: : .. rr. ..i•i•••. {'• 3 ROCK BUTTRESS FILL - DURABLE ROCK MATERIAL WITH THE
FOLLOWING GRADATION REQUIREMENT
6500 ROCK FILL y HA
PHASE 2 1.5 , PHASE 1 ._��. '`� ^' ' -" �' y '� l STONE SIZE:
y • / 6500
PERCENT PASSING
42" 100%
30" 95% OD .
EXISTING GROUND ' •• ROCK UNDERDRAIN TRENCH •. EXCAVATE COLLUVIUM _ 15" 25% - 75%
' �� �'•�" : ;: 2' MIN BELOW EXISTING 3" 0% - 5%
�....
SURFACE /y yy ., ...:.; :'; '.;' Y," ROCK SURFACE �1 ... .
UNDISTURBED
/ = ";•,;: 4. COLLUVIUM COMPACTION REQUIREMENTS:
' r .`"ter. :(;•j'.. '.. " A PLACE COLLUVIUM FILL TO THE LIMITS SHOWN ON THE
COLLUVIUM ' -� ••
i _ � � ^ -' •"' ' ' ' ;•; .: • ' " " :" •;;;� :'• ..... ... DRAWINGS IN MAXIMUM 12 -INCH LIFTS.
..ESTIMATED BEDROCK' .••UNDERDRAINSEE
MOISTURE NT AT TIME F MATERIAL PLACEMENT AN
•. 3
___ �.•? "... :: ... •:: ': '::.: .. SURFACE .. ...';;;. .;..: •• ER MOISTURE
6400 ter'....... ...
_ — _ — _ / -. _ y% .... •.. : :.: .. ,.::.. �: '..... .. '.:' :'::::•: C -07 - 6400 B CONTENT COMPACTION ATOWHACH BHEASTANDARD ABOVE
307 = !�' ".. '.�::... ;; :::•.. •:'.. . MOISTURE- DENSITY ANALYSIS CURVE EXCEEDS 90% OF
D
.. :: PHASE 1 KEY TRENCH. :•:::::::..:::•::::.::...
TAN PROCTOR MAXIM
STANDARD P ROC M DRY DENSITY 0 U
C. UNLESS SPECIFICALLY STATED OTHERWISE ON THE DRAWINGS,
......... ; • ,. PHASE 1 SEDIMENT DITCH ::::.
,...; ..:.... ..._...... .... .... ..:.... .. ... ...::::: ':.... .. EAST 907. OF
.. ... .. ...::. ' ..... .. P I DRY DENSITY
•• •• "" ' " ' •• •" PHASE 2 KEY TRENCH;• •,. PHASE 2 PERFORATED " ��• ...,, •.. �••.. � '
.. _ :• :: ' . STANDARD PROCTOR MAXIMUM D OE S
PHASE 2 AND 3 WITH PERFORATED •• "' "" "" '
COMPACT H COLLUVIUM FILL LIFT TO AT L
PIPE DRAIN APPROX. 100 FEET _
... SEDIMENT DITCH �.. •::..'. ':: PIP RAIN ( ) ::.. .......... .. "..:. ':::.:.: '.-: ":.... .. :. -. ..
REFUSE PLACEMENT TO BEGIN AFTER PHASE 1 OF BUTTRESS
•• "' PHASE 2 SOLID WALL PIPE ••; ;f' i ; RESTRICTEDCTTO CONSTRUCTED.
IO -2 REFUSE
SE PLACEMENT ILLZONEWUNTIL PHASE 3
"' •• "' 'CONNECTION TO • OF THE BUTTRESS HAS BEEN COMPLETED.
• •• ••• •• •••••• PERFORATED DRAIN ��•• •" _ •
6300 ... ..,. ....... .. .'. .. .... ........ . ......... ... .. ...... .. .. ... - - - 00
......
- 63
-400 -300 -200 -100 0 100 200 300 400
t-4 SECTION: STATION 3 +50 PRELIMINARY
C-D4 0 50 100
SCALE IN FEET NOT FOR CONSTRUCTION
(FIEVISM 07/21/11)
1 MRP PTS PBS 07/21/11 NOTES FOR CLARIFICATION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, CLIENT Pro t Off... s-1, AS SHOWN BARR PROJECT No.
OR REPORT WAS PREPARED BY ME OR UNDER MY )-
DIRECT SUPERNSION AND THAT I AM A DULY BID BARR ENGINEERING CO. Dote RPE EAST PERMIT DRAWING
LICENSED PROFESSIONAL ENGINEER UNDER THE PERMIT D 4700 WEST 77TH STREET 06/31/10 06/26-1003
LAWS OF D DRADD �'° JBF1 B�IYD MOUNTAIN COAL COMPANY L.L.C. WEST ELK MINE
CONSTRUCTIDN R MINNEAPOLIS, MN. MRP � CLIENT PROJECT No.
SIGNATURE d ` "e "e' SOMERSET, COLORADO
�� 55435 -4603 Prs PHASED CONSTRUCTION BUTTRESS
PHILIP B. SOLSE A 2 3 Wo .a.1 Heoe90 -t. Fax [phone] Des,gned PRINTED NAME RELEASED Minneapolis, Minnesnla Fax [phone] BARR DWG No REV No
NO. BY CHK APP DATE REVISION DESCRIPTION DATE D7/21/2011 REG NO ao55a TO /FOR OATS RELEASED Ph- 1 -800- 632 -2277 .w. b. c— App —al PBS SECTIONS AND DETAILS C -04A B