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<br /> • r � - k ,/ „/+ , �, ��,; �� l�/ ;,!/ , TYPICAL SEGT I ON G-G ST2F iD El2510N GRAN N
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<br /> �1 - _-- I � I i -- ��-- - :=, ,, ,O►,, -TYPICAL_ SSTION D - D : STREAM IDIVE2510N CHANNEL-
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<br /> LEUENQ Q L.0-A-n0t,1 OFC1U -VERT GENERAL NOTES
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<br /> 6T4?£�N7 DI VE+2hl �r / C/I. j ■ LOCAT,©N GF �oNG�cE`I E D+ /E2SION BOX
<br /> (1wNEL 1 ) FIGURES AND SECTIONS A THRU I -1 SHOW CONSTRUCTION TO BE COMPLETED PRIOR TO REMOVAL. Of VEGETATION AND TOPSOIL IN PREPAR4- `
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<br /> � TION FOR WASTE DISPOSAL (PHASE II PILE CONSTRUCTION) .
<br /> `��� i.• \ e0UNDAZY OF DPAINAC4F AIZEA CDI_�TION OFSEDIMENTATTQN FZ�lO
<br /> 2) FIGURES A AND B SHOW THE LOCATION OF THE STREAM DIVERSION CONSTRUCTED PRIOR TO PHASE I PILE CONSTRUCTION. TYPICAL
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<br /> t_EAN WATEK? OIVEF?GION 6EF?M SECTIONS C-C AND D-D SHOW TYPICAL SECTIONS OF THE CHANNEL; THE CONFIGURATION SHOWN IN TYPICAL SECTION D-D' SHALL BE
<br /> GR.05S-SECTION OF GoLLEGTION � ' + ,
<br /> \�`���`•"� ' • � - - `�� � '•� .. �'� 8 pl•�•I ��` USED FOR CHANNEL PORTIONS OF GREATER THAN 2 o 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
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<br /> G 04 —�� { TURE AND ENERGY DISSIPATION STRUCTURE. THE CHANNEL SHALL BE DEEPENED TO A MINIMUM DEPTH OF 4 FT FOR A DISTANCE OF 15
<br /> FT UPSTEAMWITH
<br /> S : DkAINAGE DVE2510N SCHEME NFIf�J FT~�DM �L1N�FF PREFABRICATEDFENDESEOCTIDONTCONFORMINGINLET. HTOCTHDEUFILLNLET SLOPEHALIATCSIST ANCONVENIENT480CATI0N-INCHIAMETER DOWNSTREAMRfEO OFATHE EXISTINGMETALPACCESS A
<br /> i �j � ELtrcNl tit rclt�� ROAD TO CATTLE LEASES, AN ELBOW WILL BE ;::','STALLED TO ACCOMi"1DATE 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 /> I I a CMF' THE CONDUIT OUTLET, WHICH IS CAPABLE OF REDUCING THE DESIGN 57-CFS DISCHARGE TO A VELOCITY OF 5. 5 FT/SEC OR LESS.
<br /> q Ft'. M IN. 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 2cr 5cr, TYPICAL SECTIONS OF THE CHANNEL. THE DIVERSION CHANNEL WILL BE FORMED AS SHOWN IN TYPICAL SECTION E-E' FOR PORTIONS
<br /> I2:I0UNDA►2`/ cDf=AFF6CTeo STEPAM DIVEf25ON CHANNEL MIN OF THE EAST DITCH FORMED BY THE OUTSLOPE OF THE FILL .AND GROUND SURFACE, WHERE THE GROUND SURFACE SLOPES TOWARD THE
<br /> \ AINACaE AV—SA
<br /> PILE. THESE DITCH PORTIONS WILL BE CONSTRUCTED AS NEEDED DURING PILE CONSTRUCTION. TYPICAL SECTIONS F-F AND G-G
<br /> °" " o•'° WILL BE USED WHERE THE GROUND SURFACE IS LEVEL OR SLOPES AWAY FROM THE PILE. TYPICAL SECTION F-F' WILL BE USED FOR
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<br /> �,,,� , � �,¢,ouµo �NGRE-fE ►JALl�� �'(y!•. • .� PORTIONS OF THE CHANNELS OF LESS THAN 10% GRADIENT. TYPICAL SECTION G-G'`"'WILL BE USED ,FOR CHANNEL PORTIONS GREATER
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<br /> NATLJQAL OPo4JNA&aWAV 1�151��1r 2 2 AND FL00Q_ ?•r;S�gOP rig THAN 10% GRADIENT.
<br /> MIN-(, THICJC oo..
<br /> 4) FLOW FROM THE EAST AND WEST RUNOFF DIVERSION DITCHES WILL BE ROUTED INTO THE SEDIMENT PONDS VIA A CONCRETE DIVERSION
<br /> STRUCTURE AS SHOWN IN FIGURES A, H, AND SECTION I-P . TURNOUT GATES WILL BE PROVIDED ON EACH OF THE TWO OUTLET CON
<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 /> FIGURE A : STREAM DIVE ISION MANAGE AZEA -TYPICAL SETION F-F / E �•-� 1 UPPER
<br /> DETAILS OF INLET CULVERT INSTALLATION ARE GIVEN ON SHEET 7.
<br /> ANID WEST DITCHES DIA �7" �Np 5) THE CHANNELS FOR
<br /> TOPSOIL
<br /> SECTIONCBIBN DITCHES 3SHALL BE CONSTRUCTED TO THE SAME DIMENSIONS AS THE CONVEYOR COL-
<br /> LOW G2ADIENT
<br /> 6) A WATER DIVERSION BERM SHALL BE PROVIDED AROUND THE TOPSOIL. STORAGE AREAS AS SHOWN IN FIGURE A, SUCH THAT NO RUNOFF .
<br /> 0 5, to FROM UNDISTURBED AREAS MAY ENTER THE TOPSOIL RUNOFF COLLECTION DITCHES. THE BERMS SHALL HAVE A MINIMUM HEIGHT OF
<br /> FT.
<br /> 7) RIPRAP MATERIAL FOR THE STREAM DIVERSION DITCH SHALL BE OF FREE-DRAINING DURABLE ROCK RANGING IN SIZE FROM 4 TO 21
<br /> E� FI(il. 2e H : PTLAN OF PON D QVEP-SION INCHES IN DIAMETER, D50 = 12 INCHES. RIPRAP SIZE FOR ALL OTHER DITCHES SHALL RANGE FROM 3 TO 15 INCHES It t l'
<br /> ( I rJ 1 uOTu I rC� D50 9 INCHES. �
<br /> �. mm
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<br /> U �/ 8) ALL CHANNNELS MUST BE MAINTAINED AS NEEDED TO PREVENT UNDUE EROSION. MAY 1 6 1986
<br /> 9) ALL CHANNELS ARE DESIGNED TO PASS THE 10-HR/24-HR FLOW WITH A MINIMUM FREEBOARD OF 0.3 FT OR GREATER. �ECLAMA CNN
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<br /> SCALE 1"-5' DESIGNED BY : UM CHECKED BY : MB
<br /> TYPICAL SECTION E"E J EAST � I I �N � DRAWN BY: lDL— APPROVED BY
<br /> P TYPICAL 5ECTON G--G- 5AST AN[) V\/E..ST SECTION I-I OF ►�oNO
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<br /> tDIrLHES — 9_I��PPEp SECTION CDIVERSION STI2UCT�UIZE DATE , �p{ZIL , IQP�(o SCALE, AS INOIGATEo
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