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<br />`� - � ✓ ,r ���s�' ° �� � � � � ` ✓� � �r --,,, _.,- ''`- ;- BD -1 DRAINAGE DESIGNATION
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<br />48 C.MP ; /,� s f 1 s ° RDA x7000 SPOT ELEVATION
<br />sa %,, w ' ✓, ° �s x / / r 1 ' 1 � E) B.M. BENCH MARK (REFER TO TCC)
<br />11 saso �`• �. BD . v p ( '* j , -RDA - 7 WA ERSH fl
<br />6 i >/ ' o / / ! P1 APPROXIMATE PROPOSED
<br />690 89 . f .�" ' !` r �,�
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<br />ssl r P I � � � , ,ms f o 1 PIEZOMETER LOCATION (TYP)
<br />TO BE FIELD LOCATED
<br />6 Y o. _ j / I ! ,f , NOT ES:
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<br />1. BASE TOPOGRAPHY DATUM AND EXISTING CONDITIONS PROVIDED BY
<br />' f 2 ,
<br />0 �2DA -5a ' f
<br />� TWENTYMILE COAL COMPANY. COMPILED MAPS INCLUDE:
<br />o if 1 j SHEET_18.DWG SHEET_22.DWG
<br />° i SHEET_17.DWG, ,
<br />701 - �° - - SHT_ 23_ &_50_ACRES_AROUND_PIT_2004.DWG,
<br />X02` , \ MAP24_SHT_1 _OF_3_ WITH _COMBINED_PILE_TOPO_092007.DWG,
<br />TWENTYMILE_07_31 _08_CONT.DWG.
<br />2. PROPOSED CHANNEL ALIGNMENT AND DRAINAGE DESIGN FOR 20
<br />\ AAII I Int`I ('I Mir' YAPn FYPANCICIt l PRf1VIf rm RY
<br />R¢A- -7` � u ��- °� r � f � °° � ! �!� � ; °' > � �2 � � ,• °' --°°�' / ,� �` 4. ALL WORK SHALL MEET THE DESIGN REQUIREMENTS OF MINE
<br />- d' -'1 A j R � C1 ° � ° ��� / �' >e f B BD 4R SAFETY AND HEALTH ADMINISTRATION AND COLORADO DIVISION OF
<br />"Cup o - ° 5 ON M HAUL
<br />RECLAMATI MINING AND SAFETY
<br />REFUSE PILE AND ROAD LAYOUT PROVIDED BY TWENTYMILE
<br />' 3 ' \ / COAL COMPANY.
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<br />IN FEET )
<br />r / 1 inch = 200 ft.
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<br />10` CONTOUR INTERVAL
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<br />/ I D/TC - P' RDA -3 g' o / SWS - rrro - RAW VOLUMES REVISIONS
<br />3o j >\��� / '� - "' Z / No. Item Date
<br />/ f (LXlST/NG) t I� \ y 1 1 \s / s li p -" Prismoidal Volume Results
<br />f r Original Surface Model: EXIST COMBO 1 TR -67 09 2009
<br />Final Surface Model: F C m p act io n Factor:: REFU d rainage 2 TR -67 MINOR UNDERDRAIN REALIGNMENT 03/2010
<br />r r ff f Cut om action Factor 0.00 %
<br />—
<br />P
<br />5L t I l ��. ✓ / ' / Raw Cut Volume. 656.44 cu yd Cooyright CIVIL DESIGN CONSULTANTS, INC. 2009
<br />j o I l f i ^ f Compacted Cut Volume: 0.00 cu yd
<br />DIVERSIUN ff r Date: 6 /17/09
<br />_ /TGII RDA— 1 � � �� � � \ �� ; / f 1 � 6 ° t
<br />` � �� ,� .... J j o Total Cut Volume: 656.44 as yd TWENTYMILE COAL COMPANY
<br />°� I j�2 o �� ° J Q ! f t Raw Fill Volume: 20,677 985.43 cu d
<br />\ EXISTlNG1 \ >�� Compacted Fill Volume,: 0.00 cu d Drawn: LAM
<br />k , Ry a o Total pFill volume: 2 ®,677.9aS.43 cud
<br />r Desi MRB, JW COAL R EFUSE DISPOSAL AREA
<br />1 > 2,S r - .a / I / J
<br />/ ° I Scale: Noted
<br />/ FINAL GRADING PLAN
<br />/ RDA _1f WATE SH >o >� ° d£
<br />SWS 4
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<br />-BD-6L ..- j r � / j ,° °- a� m o Civil Design Consultants, Inc.
<br />101fl �rao ( I SWS 1 f WATERSHED s5� Z. Engineers and Planners
<br />,.; 1 . _ l } " f G o .p °. '1 ,p First Financial Center, 2145 Resort Drive, Suite 100
<br />..``"`.. € ar: _ ,•^- S •.�,. .. LL " l - ( I �I 1 � `�fi Steamboat Springs, CO 80487
<br />s -- 0 ' ,�C
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<br />DITCH RDA -1e
<br />-4✓" n°, `1 �. ` Q� �� " °' Tel 970 879 -3022 Fax 970 879 -3028
<br />(EX/STIN) ' r -° ` ) SHEET NO. C -101 IPROJECT NO. 4168.001A
<br />vC�It -440 1- 1 V-/t, A� X10110
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