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<br />F �. _ o j <DA-'% SPOT ELEVATION
<br />' /�4 ±�8" CMPS ,a mr. ` , ✓ x7000
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<br />B:.MP (EX /STING rI�ERS /CJN f 4 &92''890 ' - f ( )
<br />_ — PIEZOMETER LOCATION TYP
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<br />ifc Df/EFsSf�N ss f 5' ^ `�=- BD�-2 % f I TO BE FIELD LOCATED
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<br />;d /�g :�9lSTNG� r /o�1f�� f RDA 5a, Y c . NOTES:
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<br />24 r > 1 rte / t , ,� z ;' f A ,` ; _ 4 -48 CMPS r 1. BASE TOPOGRAPHY DATUM AND EXISTING CONDITIONS PROVIDED
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<br />??'s -: % �r° 6 j ! f - DA a. ! BY TWENTYMILE COAL COMPANY. COMPILED MAPS INCLUDE:
<br />SHEET- 17.DWG, SHEET- 18.DWG, SHEET_22.DWG,
<br />` t' , ' .i `: -" _' ,; ✓":"` ,"""' r 666 >,,,/
<br />- MAP24 — SHT — OF — WITH — COMBINE IL TOPO _ 92007 DW
<br />SHT 23 & 50 ACRES�ROUND PIT 2004 DWG,
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<br />/ / , f f TWENTYMILE_07_31 _08_CONT.DWG.
<br />24'CMP REPLACE EXISTIN �o "v r
<br />6 ��° f� �, j,� ` ks 2. PROPOSED CHANNEL ALIGNMENT AND DRAINAGE DESIGN FOR 20
<br />CMP W r` M S r
<br />_ / MILLION CUBIC YARD EXPANSION PROVIDED BY
<br />r �pz ' / j/J o ' ;f — I NS, INC. 1-1 ti q RDA DA T ( ". r r O l / / l f� fJ 3. REFER TO NWCCFORENGIINEERING REPORT.
<br />RT.
<br />t R 1 = LACE EX IS TING . " / -- � / k S E h f / r . s "' i /
<br />d -1 -A " / I / f' j / 4. ALL WORK SHALL MEET THE DESIGN REQUIREMENTS OF MINE
<br />r2,4"CUP t �1 -36 ,�CM S' -
<br />\ / / a pc SAFETY AND HEALTH ADMINISTRATION AND COLORADO DIVISION OF
<br />;� "�/
<br />RECLAMATION MINING AND SAFETY.
<br />o r y "• �," r r / --"
<br />✓ >Izx `'
<br />o °`f fr f s / 5. REFUSE PILE AND HAUL ROAD LAYOUT PROVIDED BY TWENTYMILE
<br />1
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<br />Division of Reclamation.
<br />J o , r I ✓ / j t / _ ning and Safety
<br />✓ r~ CALL UTILITY NOTIFICATION
<br />ENTER OF COLORADO
<br />✓/ ' fi I '� f r�_ f r f�� 1 800 - 922 -1987
<br />119 f J J }( ,/ h ".--^"^ "'•``'- r CALL 2 BUSINESS DAYS IN ADVANCE
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<br />r ..�...... ! ,F" I� i c�'� �( �,n ! f T i /� ,,.. --: .r. r' '` `j ____` _.�-� I i � r _' ( BEFORE YOU DIG, GRADE, OR EXCAVATE
<br />`1, �.. t",,, FOR THE MARKING OF UNDERGROUND
<br />,✓. `•", !._. 1 f , I.- -_ MEMBER UTILITIES
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<br />i l IJIT69' f�A 3 ' # ° � / / '/ _ 7170 RAW VOLUMES No. Item REVISIONS
<br />/ (E- .�CSTING� � z I� I 3 r : r' x r Date
<br />1 TR -67 09/2009
<br />I / ✓ Prismoidal Volume Results
<br />( ° 2 TR -67 MINOR UNDERDRAIN REALIGNMENT 03/2010
<br />Original Surface Modell: EXIST COMBO
<br />/ r Final Surface Model: REFUSE Initial Sequence
<br />Cut Compaction Factor: 0.00 %
<br />Fill om P
<br />C action Factor: 0.00 % Copyright CIVIL DESIGN CONSULTANTS, INC. 2009
<br />DIVERSION
<br />f f' J j f " `w Raw Cut Volume: 724.47 cu d Date: 6/1
<br />RDA -4 a TWENTYMILE COAL COMPANY
<br />\ \ DITCH RDA - I °o p t . W ATE RSHED t I r +° ! / Compacted Cut Volume: 0.00 cu yd
<br />l \ �EX TINE f / / Totaf Cut Volume: 724.47 cu yd Drawn: LAM
<br />J \` > f /' r` / / /
<br />'` �, Raw Fill Volume: 2,799,430.91 cu yd
<br />`� y Comp cD acted Fill Volume: 0.00 yd Designed: MRB JW COAL REFUSE DISPOSAL AREA
<br />✓ o 94/ a Totaf Fill Volume: 2,799,430.91 cu yd
<br />1 I f s Scale: As Noted
<br />INITIAL SEQUENCE GRADING PLAN
<br />Civil Design Consultants Inc.
<br />3495 z a ° Engineers and Planners
<br />First Financial Center, 2145 Resort Drive, Suite 100
<br />�,' ��L t�S Steamboat Springs, CO 80487
<br />DITCH RDA- I e :<_. ,
<br />�. '�-�, , � non �--� � t ,� � � � � /� �C� Tel (970) 879 -3022 Fax (970) 879 -3028
<br />(EXISTING) . t SHEET NO. C -102 PROJECT NO. 4168.001A
<br />2-(aC - 12,7(Z 6 IG
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