2021-10-08_REVISION - M1999050 (2)

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II iI fl 1 III Ii� li III i,� 1 4820 ---- PROPOSED MINOR CONTOUR ill II I EXISTING CONTOUR - - -- - 50 -- -^ ^ EXISTING RIGHT OF WAY — — PERMIT BOUNDARY �� o 100 -YEAR FLOODWAY (APPROXIMATE) heet: FRENCH DRAIN_ -_-- Ili 1�1I \ I II I �IIi�� (�x\\\ I EXISTING \�\\\ ACCESS ROAD IIII dl i liF/�Il�/il/ i i i I ll�ll 111 i t PERMIT i I I liq Illllll I BOUNDARY i i I! III{1111111iiIII/� IIIA i i Ii I l i i 1II1111�11 II1111�1 I I III {IIIllllllll SWALE I III dl II 111;IIIIIIi i l' Ifi- �I I� III 1111111161 I l i l� l I iII:iIIIIiI Illiil,a\ S I I r-- I I I it {I I I I II 11111111 �� Ill ! I IllaiVilll1111411ji� Ii � � �I�!IIIIiI�Ilhoiilll�l� I I I I I ill�lilllll�llllll111111 i I I I S Ill lillflf 111illlllll I I I 111 lllipl I lIl2im l 11 111 I ! lli'� milli dill) III o I II. Ilillll IIIIII I i Q II' IiIilll IIIA ! I o 1� !I� IIIIII, VIII N 11 w i l 11 mill,IIIIII I ¢ ) II' illllk I►III I— i II' 111111 f(II Illlll 141111 w ; 11. Illlllllllll i I 11. 111111 HIM /- i i I I fl' IIIIII IIIIII ! I I ) � II� IlIIIIllllll i I i l II' Illil"INII II , SCREENING BERM 11 / 1\LIJ o f i PERMIT \ BOUNDARY c \\� \\ \ �� 00 \ \-- �\ �1 = BOXELDER CREEK \ \ \ 100 CENTERLINE \® \ 120' R.O.W O 1 cli \ \ ` CENTESED NTERLINE OF \ WEITZEL ROAD ! 1 1 j — — — — 7 ,w \\\ 9 3H:1 V RECLAIMED SLOPE/ RESERVOIR LINER \ \\ \ — ❑ PERMIT Q BOUNDARY 10 50' SETBACK \ i ��\\ 141 I'� � mss; \ V ibl ,z,1 I BOXELDER �1 CREEK CENTERLINE I I I 1!111111 I1\ Ate\ I l I 11 1 TOP OF LEVEE 4834' �\ I I lip 3H:1V RESERVOIR - - LINER III >\ \ q8e \ \ moo\ \ 111 1$"CULVERT & GATE RECHARGE POND } `�6 gLULL L==. \ III _1- ----___=—___ G'- _ — —__ 483h _ - —4832- — < _ =_ W —� \\ \ I o w 1 11 1 1\\ ,Illi 1' 100 YEAR FLOODWAY \� \� RECHARGE POND / t � t Z 716 _ e PERMIT j 1 BOUNDARY ( EXISTING 36" CMP RECHARGE POND OUTLET I 1 - — -- -'_— -- —_-- --- TO EXISTING CULVERT RECHARGE POND OUTLET \ /1 i lis! TO EXISTING DRAIN ` _ �/ 11 / �' • /If IL 11 I \\) I & 111{1.1' I/ t \\\N / II 0 200 400 (IN FEET) 1 INCH = 200 FEET LEGEN PROPOSED MAJOR CONTOUR 4820 ---- PROPOSED MINOR CONTOUR 18 EXISTING CONTOUR - - -- - 50 -- -^ ^ EXISTING RIGHT OF WAY — — PERMIT BOUNDARY �� o 100 -YEAR FLOODWAY (APPROXIMATE) heet: FRENCH DRAIN_ -_-- LANDSCAPE NOTES: SEEDING: THINSPIKE WHEATGRASS (CRITANA) 5.5 - #PLS/AC. SIDE -OATS GRAMMA (VAUGHN) 2.5 - #PLS/AC. SWITCHGRASS (NEBR. 28) 1.5 - #PLS/AC. RECLAMATION NOTES: 1. SEEDING WILL BE ACCOMPLISHED BY DRILLING. 2. PLANTING WILL OCCUR IN THE FALL OR SPRING. 3. BERMS WILL AVERAGE 4 TO 5 FEET IN HEIGHT AND 40 TO 70 FEET IN WIDTH AS SHOWN ON THE PLAN. 4. LANDSCAPING ALONG SOUTH AND WEST BOUNDARIES TO BE COMPLETED PRIOR TO PHASE 2 MINING. Z� 15' ELEV = 4825' / \�\\ / FRENCH 3' FREEBDRAINOARD \6M15ACTED \ �-C / /�� 0.5/1 / \ CLAY LAYER UNDISTURBED / \\ SAND &GRAVEL 5.0'(MIN.)\\ / SIL SF6N�� / BEDROCK SCARIFIED PRIOR TO THE 1D.0' PLACEMENT OF FILL MATERIALS. ALL WEATHERED BEDROCK TO BE EXCAVATED AND REMOVED FROM THE FOUNDATION. WEATHERED BEDROCK SHALL BE REMOVED UNTIL COMPETENT BEDROCK (AS DETERMINED BY THE ONSITE ENGINEER) IS EXPOSED. RESERVOIR LINER/GROUNDWATER C RENC N EARTHWORK NOTES: 1. EACH LAYER OF FILL SHALL BE 4. AN 815 OR 825 SHEEPSFOOT 7. ALL BEDROCK MATERIAL SHALL SCARIFIED TO ALLOW PROPER ROLLER WILL BE USED FOR BE RIPPED, MOISTURE TREATED, BONDING BETWEEN LAYERS. COMPACTING EFFORTS. AND ALLOWED TO AIR SLAKE FOR A MINIMUM OF 1 DAY PRIOR 2, DENSITY AND MOISTURE 5. THE CLAY LINER MATERIAL TO ITS PLACEMENT IN THE LINER. CONTENT TESTING SHALL BE SHALL BE MIXED IN THE ALL BEDROCK MATERIAL SHALL DONE AT A RATE OF 1 TEST FOR EMBANKMENT AT THE RATIO OF HAVE A MINIMUM OF 75% PASS EACH 2000 YARDS PLACED. 4 PARTS CLAY OVERBURDEN THE #200 SIEVE PRIOR TO (CL) TO 1 PART SILTSTONE PLACEMENT IN THE 3. ALL CLAY LINER MATERIAL BEDROCK. EMBANKMENT. SHALL BE COMPACTED TO A MINIMUM 95% ASTM -D698-78 6. THE CLAY LINER MATERIAL 8. ALL RANDOM FILL TO BE PLACED STANDARD PROCTER AT 2% OF SHALL BE PLACED IN A 9" (MAX.) WITH A MAXIMUM 9" LOOSE LIFT OPTIMUM MOISTURE CONTENT. LOOSE LIFT PRIOR TO AND COMPACTED TO A MINIMUM COMPACTION. OF 95% ASTM -D698-78 STANDARD PROCTOR. EX►STING GRADE �12 3 _ ��.MwcGTE[� 3 RECHARGE POND=L#V€-- MINE 5.0' (MIN.) BEDROCK SURFACE TO BE SCARIFIED / PRIOR TO THE PLACEMENT OF FILL MATERIALS. ALL WEATHERED 10.0' BEDROCK TO BE EXCAVATED AND REMOVED FROM THE FOUNDATION. WEATHERED BEDROCK SHALL BE REMOVED UNTIL COMPETENT BEDROCK (AS DETERMINED BY THE ONSITE ENGINEER) IS EXPOSED. B FLOODWAY DIVERSION BERM CROSS SECTION LOODWAY DIVERSION BERM N 1. BERM LOCATION AND ALIGNMENT MAYBE SHIFTED NORTH AS NEEDED WITHOUT FLOODWAY IMPACT. 2. BERM ELEVATION MAYBE HIGHER THAN INDICATED IF EXTRA OVERBURDEN MATERIALS ARE AVAILABLE. 3. BERM WIDTH MAYBE WIDER THAN INDICATED WITHOUT FLOODWAY IMPACT IF ELEVATION IS NOT ABOVE EXISTING GROUND TO THE SOUTH A 4; 41 a 0 .. 0 N 0 z cn c Z3 0 U Z 0 0 F - z 0 w a ate: SEPTEMBER 2021 )b No: 590-004 rawn: BPM esign: BPM hecked: B. SCHENDERLEIN Cale: 1" = 200' heet: Of.