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<br /> TYPICAL SECTION G-G ST2EAM DIVE2SION CHANNEL
<br /> MIN. IZ FT I I FT
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<br /> GTION DID 34 FT, �APP2OX
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<br /> 400
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<br /> 2EAM DIVF,2SON CHANNEL-
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<br /> loco' UPPER
<br /> SmE F -)Np Iip12ApPED SECTION
<br /> lczz:� Lc,-_ -nc#-j OFCLL.vE2r GENERAL NOTES
<br /> j ; ' LEG,ENL�
<br /> ` OIVE2�ICN14 C-HANNF-i- 6.00�TIOh GF C0NCW_ETE plvE¢SION BOX
<br /> TC�JN�1 OIVEtC��pnF ! J[A TE PILE
<br /> ( , a *� j -��` 1 ) FIGURES AND SECTIONS A THRU I -I ' SHOW CONSTRUCTION TO BE COMPLETED PRIOR TO REMOIAL�f�VEGETATION AND TOPSOILIN PREPARA-
<br /> i�lvNEL 9CLJN pC 02ANq(aE Aef-,o, O LUCATION OFSEDIMENTATT.^N D TION FOR WASTE DISPOSAL (PHASE II PILE CONSTRUCTION).
<br /> 2) FIGURES A AND B SHOW THE LOCATION OF THE STREAM DIVERSION CONSTRUCTED PRIOR TO PHASE I PILE CONSTRUCTION. TYPICAL
<br /> C4ZOSS-6E4,TI0N OF (OLLEC-TION LEa,UN WATEP? tDIVERSION 6EF?M SECTIONS C-CI AND D-D' SHOW TYPICAL SECTIONS OF THE CHANNEL; THE CONFIGURATION SHOWN IN TYPICAL SECTION D-D' SHALL BE
<br /> USED FOR CHANNEL PORTIONS OF GREATER THAN 2% GRADIENT. APPROPRIATE EROSION CHECKS OR DROP STRUCTURES MAY BE USED IN
<br /> PLACE OF RIPRAP TO PREVENT CHANNEL EROSION. THE LOWER PORTION OF THE DIVERSION SHALL CONSIST OF A CONDUIT DROP STRUC-
<br /> 1 06 TURE AND ENERGY DISSIPATION STRUCTURE. THE CHANNEL SHALL BE DEEPENED TO A MINIMUM DEPTH OF 4 FT FOR A DISTANCE OF 15
<br /> a _ r-
<br /> r I (aU2E 6 Di�AINAGE Q�V��ON SQ" P_ME � I FT UPSTREAM OF THE CONDUIT INLET. THE CONDUIT INLET SHALL CONSIST OF A 48-INCH DIAMETER CORRUGATED METAL PIPE WITH A
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<br /> PREFABRICATED END SECTION CONFORMING TO THE FILL SLOPE. AT A CONVENIENT LOCATION DOWNSTREAM OF THE EXISTING ACCESS
<br /> / � ROAD TO CATTLE LEASES, AN ELBOW WILL BE INSTALLED TO ACCOMMODATE THE BREAK IN SLOPE. THE MOST CONVENIENT LOCATION
<br /> F FOR THE ELBOW SHALL BE DETERMINED AT THE TIME OF CONSTRUCTION. AN ENERGY DISSIPATION STRUCTURE SHALL BE PROVIDED AT
<br /> 3�- aAM GMP THE CONDUIT OUTLET, WHICH IS CAPABLE OF REDUCING THE DESIGN 57-CFS DISCHARGE TO A VELOCITY OF 5. 5 FT/SEC OR LESS.
<br /> 9 FT MiN I (� 3) FIGURE B SHOWS THE LOCATIONS OF THE EAST AND WEST DIVERSION DITCHES. TYPICAL SECTIONS E-E ' , F-F ' , AND G-G ' SHOW
<br /> LEGEND ZPr cj TYPICAL SECTIONS OF THE CHANNEL. THE DIVERSION CHANNEL WILL BE FORMED AS SHOWN IN TYPICAL SECTION E-E ' FOR PORTIONS
<br /> Y of AFFECTED STtzE1aM bIVEt2SION CHANNEL MIN aoo�' OF THE EAST DITCH FORMED BY THE OUTSLOPE OF THE FILL AND GROUND SURFACE, WHERE THE GROUND SURFACE SLOPES TOWARD THE
<br /> e�oL_Iryt� PILE. THESE DITCH PORTIONS WILL BE CONSTRUCTED AS NEEDED DURING PILE CONSTRUCTION. TYPICAL SECTIONS F-F ' AND G-G'
<br /> WILL BE USED WHERE THE GROUND SURFACE IS LEVEL OR SLOPES AWAY FROM THE PILE. TYPICAL SECTION F-F' WILL BE USED FOR
<br /> CPA1NACaE AIZ.BA c q o' y PORTIONS OF THE CHANNELS OF LESS THAN 10°6 GRADIENT. TYPICAL SECTION G-G'' WILL BE USED FOR CHANNEL PORTIONS GREATER
<br /> A2F�. GOVF�ZED t�Y 1��- II- Il� i ( 1 GT.MIN ICOE�� 2FK.E �NE:> FG I c N/,LL.r� .Q.°pO.V �o'(�IA. 1 FY
<br /> �.. NATUQ.fal, D12GJN.4GEwAY p15Fb�1- 2 i � AND FLL.Y�Fc '�°4QOr . 7tj�-��� THAN 10% GRADIENT.
<br /> MIN. T74IC1C o0,
<br /> '� � •° � 4) FLOW FROM THE EAST AND WEST RUNOFF DIVERSION DITCHES WILL BE ROUTED INTO THE SEDIMENT PONDS VIA A COIICREFE DIVERSION ,
<br /> STRUCTURE AS SHOWN IN FIGURES A, H, AND SECTION I-II . TURNOUT GATES WILL BE PROVIDED ON EACH OF THE TWO OUT CO -
<br /> DUITS TO ALLOW ROUTING OF FLOW TO EITHER POND. THE PONDS MUST BE OPERATED IN SERIES DURING PHASE II WASTE PILE CON-
<br /> STRUCTION. ALL FILL AROUND THE CONCRETE DIVERSION STRUCTURE SHALL BE COMPACTED AS SPECIFIED ON SHEET 9, ITEM 3. 3.
<br /> U Pr✓ER o DETAILS OF INLET CULVERT INSTALLATION ARE GIVEN ON SHEET 7.
<br /> FI(aUI2E A � STREAM DIVERSION D12AINAGIE AREA -TYPICAL SCION F-F ;EA�T FEND " DIACJ-1P
<br /> AND WEST C�ITC.i-IE� 5) THE CHANNELS FOR TOPSOIL RUNOFF COLLECTION DITCHES SHALL BE CONSTRUCTED TO THE SAME DIMENSIONS AS THE CONVEYOR COL-
<br /> ,' PO LECTION DITCH, AS DETAILED IN SECTION B-B' , SHEET 3.
<br /> LOW (: 12ADIENT IO F r 1
<br /> 6) A WATER DIVERSION BERM SHALL BE PROVIDED AROUND THE TOPSOIL STORAGE AREAS AS SHOWN IN FIGURE A, SUCH THAT NO RUNOFF
<br /> o 5, Io FROM UNDISTURBED AREAS MAY ENTER THE TOPSOIL RUNOFF COLLECTION DITCHES. THE BERMS SHALL HAVE A MINIMUM HEIGHT OF
<br /> 3 FT.
<br /> SCAL E I'=6'
<br /> 7 7) INCHES INIPRAP TDIAMETERIAL R THE STREAMST12AMNCHESRSR�PRAP ITCH
<br /> SIZESHALL
<br /> FOR ALLOOTHEREDDRAIN ITCHESNSHALL DURABLE
<br /> RANGEOFROMA3GTOG15NINCHESFINMDIAM�TER ,
<br /> E 21
<br /> FIC�LI ,ZE N ; pLA(�l of I�No DIVERSION D50 = 9 INCHES. RECEIVED
<br /> ST2UG—rUP—E 8) ALL CHANNNELS MUST BE MAINTAINED AS NEEDED TO PREVENT UNDUE EROSION.
<br /> DEC 11967
<br /> 9) ALL CHANNELS ARE DESIGNED TO PASS THE 10-HR/24-HR FLOW WITH A MINIMUM FREEBOARD OF 0.3 FT OR GREATER. MINED l'WD
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<br /> GOL.DER ASSOCIATES MID-CANTINENT 2ESOU2L.�cS, INC.
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<br /> GOLDEN, COLORADO 8040 L CAI2BONc�ALE COW2Poo °
<br /> (303) 278-8662 ,
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<br /> T DESIGNED BY UM CHECKED BY MB
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<br /> DRAWN BY : DL APPROVED BY
<br /> TYPICAL SECTION E-E : EAST IDITLN T(PILAI, SECTION U-C' E�A57ANQ WEST SELTION I-I OF PONE)
<br /> DRAWING N0. o�I� SHEET 4 OF G
<br /> UPPE12 POEMONS pIrLHES - IP12AppE0 SECTION ,DIVERSION ST2UCTUR_F_
<br /> DATE Ap21I, IQa(c SCALE, AS INDICATHD
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