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<br /> K0 LEG,ENC� Q 11�UTrlJ OFGULvERT -
<br /> GENERAL NOTES
<br /> I FRIP:e TI \NA5TE PILE �� ■
<br /> OIVER`�IdJ CHANNEL N CIF GONGGcET-E - 'ON BOX�TPSa�+th olvertf.►oNj•. _ V �_ IJ _ 1 ) FIGURES AND SECTIONS A THRU I -I SHOW CONSTRUCTION TO BE COMPLETED PRIOR TO REMOVAL OF VEGETATION AND T IPSOIL IN DRERAY 6*
<br /> eQJN0AQYOF 012ArN4C,F , O aC,�Tlor �F5EDIMEti c� C TION FOR WASTE DISPOSAL (PHASE II PILE CONSTRUCTION) .
<br /> i 2) FIGURES A AND B SHOW THE LOCATION OF THE STREAM DIVERSION CONSTRUCTED PRIOR TO PHASE I PILE CONSTRUCTION. TYPICAL
<br /> ^� +- .-.:�•---..�•f�,..�. C,a20S5-5EGT10N OF GaLLE !LEAN WATER'
<br /> c T! G1� N - ?r SECTIONS C-C AND D-D SHOW TYPICAL SECTIONS OF THE CHANNEL; THE CONFIGURATION SHOWN IN TYPICAL SECTION D-0' t
<br /> CDT� � USED FOR CHANNEL PORTIONS OF GREATER THAN2% GRADIENT. APPROPRIATE EROSION CHECKS OR DROP STRUCTURES MA` I r0.4phr
<br /> 04 . PLACE OF RIPRAP TO PREVENT CHANNEL EROSION. THE LOWER PORTION OF THE DIVERSION SHALL CONSIST OF A GONDUI-v rIP& "(
<br /> �,�._, ,�• �,_ �, I- I TURE AND ENERGY DISSIPATION STRUCTURE. T4F CHANNEL SHALL BE DFFPENED TO A MINIMUM DEPTH OF A FT FOR A DISTAN ,
<br /> B : DPZAINAUE =0 _ _ -- L- IEME r♦ FT UPSTREAM OF THE CONDUIT INLET. THE CONDUIT INLET SHALL CONSIST OF A 48-INCH DIAMETER CORkUG17ED
<br /> PREFABRICATED END SECTION CONFORMING TO THE FILL SLOPE. AT A CONVENIENT LOCATION DOWNSTREAM OF THE F r
<br /> FF ROAD TO CATTLE LEASES, AN ELBOW WILL BE INSTALLED TO ACCOMMODATE THE BREAK IN SLOPE. THE MOST CONVENIENT . L.L:IIION
<br /> FOR THE ELBOW SHALL BE DETERMINED AT THE TIME OF CONSTRUCTION. AN ENERGY DISSIPATION STRUCTURE SHALL BE PROVIDED AT
<br /> 1 ��r THE CONDUIT OUTLET, WHICH IS CAPABLE OF REDUCING THE DESIGN 57-CFS DISCHARGE TO A VELOCITY OF 5. 5 FT/SEC OR LESS.
<br /> I .ECGEND qFT MIN 3) FIGURE B SHOWS THE LOCATIONS OF THE EAST AND WEST DIVERSION DITCHES. TYPICAL SECTIONS E-E ' , F-F' , AND G-G' SHOW
<br /> 7 �T 5KT' TYPICAL SECTIONS OF THE CHANNEL. THE DIVERSION CHANNEL WILL BE FORMED AS SHOWN IN TYPICAL SECTION E-E ' FOR PORTIONS
<br /> P�OLJNG2A2`/ .�.AFF6CTED 5T2FJaM DIVEt?SON U-iANNEL MIN s off; I is OF THE EAST DITCH FORMED BY THE OUTSLOPE OF THE FILL AND GROUND SURFACE, WHERE THE GROUND SURFACE SLOPES TOWARD THE
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<br /> o •. I ' 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 /> AegA COVE¢ED �Y IT. V,1e.�31E ��. n 1 GT MIN UNO COW-. I.'Vl� 4 •
<br /> �.. NATUeAL_ DQAJNAbF_WAY p15Po'�AI. z . , 2 guay�ce AND F ° � 1 0 � THAN GRADIEN OF THE T.
<br /> OF LESS THAN 10% GRADIENT. TYPICAL SECTION G-G' WILL BE USED FOR CHANNEL PORTIONS GREATER
<br /> 4) FLOW FROM THE EAST AND WEST RUNOFF DIVERSION DITCHES WILL BE ROUTED INTO THE SEDIMENT PONDS VIA A CO*RFTE DIVERSION
<br /> STRUCTURE AS SHOWN IN FIGURES A, H, AND SECTION I-I ' . 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 CIt)N-
<br /> UPPER 4 DETAILSSTRUCTION. INLET FILL
<br /> LVAROUND
<br /> TTHE
<br /> CONCRETE
<br /> DIVERSION STRUCTURE SHALL BE COMPACTED AS SPECIFIED ON SHEET 9, ITEM 3. 3.
<br /> FIGURE A • STREAM DIVERSION Q2AINAGE AIZEA 7YPILAL SECTION F-F EAST PONo
<br /> AND VVE, T DIT�,ME� — L1 5} THE CHANNELS FOR TOPSOIL RUNOFF COLLECTION DITCHES SHALL BE CONSTRUCTED TO THE SAME DIMENSIONS AS THE CONVEYOR COL-
<br /> OW 10 FT, L*1' I p LECTION DITCH, AS DETAILED IN SECTION, B-B' , SHEET 3.
<br /> l— C�Iy 1 6) A WATER DIVERSION BERM SHALL BE PROVIDED AROUND THE TOPSOIL STORAGE AREAS AS SHOWN IN FIGURE A, SUCH THAT NO RUNOFF
<br /> FROM UNDISTURBED AREAS MAY ENTER THE TOPSOIL RUNOFF COLLECTION DITCHES. THE BERMS SHALL HAVE A MINIMUM HEIGHT OF
<br /> 3 FT.
<br /> I I ^ ^ ' n 7) RIPRAP MATERIAL FOR THE STREAM DIVERSION DITCH SHALL BE OF FREE-DRAINING DURABLE ROCK RANGING IN SIZE FROM 4 TO 21
<br /> E E Peal 2E P F OF PON D \Too I (-)N INCHES IN DIAMETER, D50 = 12 INCHES. RIPRAP SIZE FOR ALL OTHER DITCHES SHALL RANGE FROM 3 TO 15 INCHES IN DIAMETER,
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<br /> U GTU 2E '��- D50 = 9 INCHES.
<br /> 8) ALL CHANNNELS MUST BE MAINTAINED AS NEECED TO PREVENT UNDUE EROSION.
<br /> 9) ALL CHANNELS ARE DESIGNED TO PASS THE 1C-HR/24-HR FLOW WITH A MINIMUM FREEBOARD OF 0. 3 FT OR GREATER. DEC 110
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<br /> UPPEIc.. t�L}K.TION�J DRAWING N0. '_�3 SHEET 4 OF G
<br /> CAT ,HES - elP2APPED SECTION DIVE2510N STI ?ULTU2E
<br /> DATE : ApQIL11gg� SCALEE�INoIcATeo
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