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I <br />Y .._ <br />AI <br />A <br />A <br />74GO <br />7450 <br />7440 <br />7430 <br />74 z0 <br />7410 <br />74 50 � <br />7440 1 <br />74-80 <br />74 20 <br />7410 <br />74GO <br />7450 <br />7440 <br />7430 <br />7420 <br />2 7- INC.{ COI-1TOUR <br />POOL EL. 7456 <br />(to YR. , 24 HR. ST(00 _ <br />5. 0. POWD EL. 7429 <br />LINER <br />\� SEEDED SLOPE <br />� \� 2 <br />POOL EL. 74-BG � 1 <br />(to YR. -) 24 H2. STORM <br />SEDIMEUT EL.74BB.5 <br />6.0. POWD EL. 742: <br />101- O <br />212 T.O. DAM F.L. <br />21/2 <br />�ll <br />HOMOGENEOUS EARTH DAM <br />USING LOCALLY AVAILABLE <br />MATERIALS AT 95010 COMPACT IOM <br />50 '40 30 20 10 O 10 20 30 40 50 ro0 70 80 <br />SECTIOU STATIOU 0 +50 <br />100 1 10 <br />Y <br />NOTE: <br />N <br />3 <br />10 YR. i 24 HR- STORM RUNOFF <br />S70RACaE -- — — 0.90 ACRE - FT <br />TOTAL SEDIMENT STORAGE ---------- <br />-O.Co4 ACRE-FT <br />EMERGENCY 5PILLWA`f CAPAC17Y---- - - --15 CFS <br />PRINCIPAL SPILLWAY CAPACI7Y----- <br />- -0.I7 CF5 <br />DETENTION TIME - 10 YR. 1 24 HR.-------- <br />3(01/2 HR5. <br />STORM RUNOFF <br />DAM <br />2 7- INC.{ COI-1TOUR <br />POOL EL. 7456 <br />(to YR. , 24 HR. ST(00 _ <br />5. 0. POWD EL. 7429 <br />LINER <br />\� SEEDED SLOPE <br />� \� 2 <br />POOL EL. 74-BG � 1 <br />(to YR. -) 24 H2. STORM <br />SEDIMEUT EL.74BB.5 <br />6.0. POWD EL. 742: <br />101- O <br />212 T.O. DAM F.L. <br />21/2 <br />�ll <br />HOMOGENEOUS EARTH DAM <br />USING LOCALLY AVAILABLE <br />MATERIALS AT 95010 COMPACT IOM <br />50 '40 30 20 10 O 10 20 30 40 50 ro0 70 80 <br />SECTIOU STATIOU 0 +50 <br />100 1 10 <br />EXISTING DAM TO BE 10 -0 m <br />REMOVED <br />'� TO. DAM EL.744o.5 <br />Sz <br />HAND PLACED RIPRAP (MIN. 16) <br />TO EL. 7430 TYR <br />�LILIER �''�� EXTEND (o1 -O BEYOND <br />TOE OF DAM <br />E Xr_A.VATl0W ' LIMIT TO BE <br />Permil mDer �1 /T I <br />�_ 1E Dlass: ermR . /O r; j!� -_. ._.1_.!_S!._._._._. °_I <br />• 1 SecGonlExhiDit: _ V L •- <br />_. <br />Classt O Revision <br />�. Class: a Report 0 Hydro OGenerol <br />� — ^• -� -- Doc Type: _______ - -- ______ —t ❑Inspection -_- .- __ ___ <br />T- <br />120 110 IO0 90 80 70 GO SO 40 30 ZA 10 O 10 20 30 40 so GO 70- 80 90 1�0 . 110 OAppl cat on (Coal only) 0 Bond 0 En came <br />�6 <br />I <br />120 110 100 <br />\ <br />POOL EL. 74.5G `�� 2 <br />to YIR., 24 HR. STORM <br />5EDIMEMT EL. 7435.5 <br />EL. <br />N <br />Y <br />NOTE: <br />N <br />SEDIMENT POND <br />10 YR. i 24 HR- STORM RUNOFF <br />S70RACaE -- — — 0.90 ACRE - FT <br />TOTAL SEDIMENT STORAGE ---------- <br />-O.Co4 ACRE-FT <br />EMERGENCY 5PILLWA`f CAPAC17Y---- - - --15 CFS <br />PRINCIPAL SPILLWAY CAPACI7Y----- <br />- -0.I7 CF5 <br />DETENTION TIME - 10 YR. 1 24 HR.-------- <br />3(01/2 HR5. <br />STORM RUNOFF <br />DAM <br />TOP WIDTH— <br />DAM HEIGHT--------- <br />- - - - -- -101 <br />DAM LENGZH------------- <br />- -5001 <br />SLOPE OF DAM FACES-------- <br />- - -2%2 TO 1 <br />EXISTING DAM TO BE 10 -0 m <br />REMOVED <br />'� TO. DAM EL.744o.5 <br />Sz <br />HAND PLACED RIPRAP (MIN. 16) <br />TO EL. 7430 TYR <br />�LILIER �''�� EXTEND (o1 -O BEYOND <br />TOE OF DAM <br />E Xr_A.VATl0W ' LIMIT TO BE <br />Permil mDer �1 /T I <br />�_ 1E Dlass: ermR . /O r; j!� -_. ._.1_.!_S!._._._._. °_I <br />• 1 SecGonlExhiDit: _ V L •- <br />_. <br />Classt O Revision <br />�. Class: a Report 0 Hydro OGenerol <br />� — ^• -� -- Doc Type: _______ - -- ______ —t ❑Inspection -_- .- __ ___ <br />T- <br />120 110 IO0 90 80 70 GO SO 40 30 ZA 10 O 10 20 30 40 so GO 70- 80 90 1�0 . 110 OAppl cat on (Coal only) 0 Bond 0 En came <br />�6 <br />I <br />120 110 100 <br />\ <br />POOL EL. 74.5G `�� 2 <br />to YIR., 24 HR. STORM <br />5EDIMEMT EL. 7435.5 <br />EL. <br />N <br />• <br />N <br />' <br />l9 <br />Z <br />2 <br />C <br />A <br />LINER <br />5ECT10kJ la STATIOQ I +50 <br />p - q•- 9 <br />DETAIL I <br />DWG. D -lo; <br />Id-0 <br />0 <br />T.O. DAM EL."7440. 5 <br />/2 I m <br />1 � 2 <br />b� \ PRINCIPAL SPILLWAY <br />\ �� 1 <br />Sam PIPE <br />40 3p 3b 10 O l0 20 30 46 50 <zO 70 <br />SECTIOW e STPT10Q 2 +50 <br />17- 4 -9 <br />RECEIVED <br />JAN 0 51983 <br />MINED LAND RECLAMATION <br />COLD, DEPT. OF NATURAL RESOURCES_ <br />70,04/16-1 6.C.,EY V 'F/ <br />N01 BY I DESCRIPTION I J.E. S.E. <br />I certify that to the best of sly knowledge. the REVISIONS <br />engineering designs and calculations pn.thiS drawing <br />were Wxyleted using sound engineering practices. <br />SNQWMASS COAL CO. <br />ono A. Mathison <br />Chief Engineer, Civil CA►RBONDA►LE, COLO. <br />_— -- Brava- Engloee_, Inc. ryry <br />Colorado F.E. No. I2P353 —,. _ IIIh11WI1NI�1�I1NiIN11�1�11 (� <br />007278 <br />go ro-e FOR`PERFIIT APPLICATION ONLY _ "'<DAM CROSS I EC71O'F.LS <br />NOT fOR CONSTRUCTION. - SITE PLAID <br />.,; <br />L,Ll�`rfrrlr 46ii1mI)VED FOR ��e�a___^i_IfPLr 1p- ' CHF. S. E� 4yfr /.SOM <br />lali{LLI \17LlLr CONSTRU TIOF I DR SCALE�Q <br />CH '/3 SECT -:IVI APFDD <br />ISSUE NO. DATE PRINTED J. Eke CODE 1102 CONTRACT <br />NO. D(AC - 68 <br />This drawing, including the information it contains, is the property of Dravo Corporation. It <br />is submitted only In connection with the transaction to which it pertains and most not be - DRAWING NO. <br />used in any manner detrimental to the Interest of Dravo Corporation. The drawing Is not to <br />be copied and must be returned upon request �ra:: D-4-10 <br />