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Rifle Gravel Pit #1 May 2023
<br /> Ex. WETLANDS Graphic Scale o
<br /> MINING PROGRESSION EXHIBIT NOTES: 0 100 200 400 CD
<br /> EX. WETLAND AND BUFFER
<br /> 1. SLOPE OF THE MINING HEADWALL DURING EXCAVATION SHALL BE AT THE ANGLE OF REPOSE, EX. GRAVEL
<br /> EXPECTED TO BE 3:1. ' �,• PROP PAVEMENT In U.S.Feet:1"=200' (m
<br /> O
<br /> 2. WETLAND SLOPE AREA IS A MIN. 6 FT AROUND WATER SURFACE AT 107. SLOPE ——-10000��OOpPwN U
<br /> 3. WETLAND SLOPE AREAS SHALL BE RECLAIMED WITH STOCKPILED TOPSOIL AND REVEGETATED WITH SURFACE WATER E
<br /> THE WETLAND SEED AND PLANTING MIX SHOWN IN TABLE 2 ON SHEET 2. - UM1T OF DISTURBANCE AREA =.`
<br /> —PROP 5-ROOT CONTOUR (n
<br /> x O
<br /> 4. SEE TYPICAL MINING STRATA BASED ON GEOTECH BORING LOGS IN DETAIL 1/11. PROP 1-FOOT CONTOUR (n p--
<br /> NON-WETLAND p
<br /> 5. TEMPORARY WET GRAVEL STOCKPILES WILL BE FORMED NEAR THE EXCAVATION BOUNDARY THEN J�
<br /> • PIQOMETER WELL
<br /> MOVED TO THE STOCKPILING AREA DEPICTED ON THIS SHEET AFTER THEY DRY OUT. ,,,.,,. R ,�, �,,,-�, � � - � •,_,_, � T rn
<br /> LID
<br /> 6 IN TOPSOIL FOR 5 FT �„ ,11 o
<br /> � REVEGETATION , ,. �/�,+ WETLAND SLOPE AREA
<br /> r� 30% COMPLETE, APPROX. 15,363 SF
<br /> INSTALL STRAW WATTLE ��A ' (SOLID GREEN HATCH) - OfLP CF-
<br /> 7, AT OUTER TOE OF BERM 77%, �� .` B .II O�'' OETH cp•LP
<br /> SEE DETAIL H 10 M "��.�
<br /> o r� OVERBURDEN I. / ^`_ `� -30% V;� 5/4/23 �'.�
<br /> ! USED FOR BERMS AFFECTED LANDS .4'C, 14 ��COMPLETE a m
<br /> 2 F EX. ( A.K.A. LIMITS Oh DISTURBED AREA)�t� "� `'- ,i.;,,y- .r'�f.., x5361.10 36186
<br /> GRADE MIN. 35-FT AWAY FROM Ex. '�`1 '. 100'
<br /> c SEE PLAN - WETLAND BOUNDARIES •
<br /> m° NOTE: COMPACT OVERBURDEN IN MAX. 8 INCH LIFTS
<br /> - WETLAND START MINING ON NORTH SIDE OF CHANNEL. TURNS /' TONAL
<br /> TO 95% PROCTOR DENSITY, ROUGHEN SURFACE PER
<br /> THE CHANNEL INTO THE NEWLY EXCAVATED PIT,
<br /> bE SLOPE AREA DETAIL G/1Q PRIOR TO APPLYING TOPSOIL AND REVEL.
<br /> CONTINUE MINING CLOCKWISE THROUGH THE AREA.
<br /> i SECTION A—A APPROX. 433 LF (9,873 SF) OF CHANNEL
<br /> A BERM CONSTRUCTION AND REVEGETATION DETAIL INCORPORATED 1Nro WET MINING FOOTPRINT.
<br /> a 6 N.T.S. '' + I '/�.' •--. (0 O
<br /> fTOP OF BERM :• TEMP. WET GRAVEL C a C7 (0
<br /> _ SEE DETAILS A/6 AND ��� STOCKPILETEMO _ •
<br /> o WETP
<br /> PGRAVEL I C/6 ON THIS SHEET aj (SOLID GRAY HATCH) - 5363-19 �... O j 0
<br /> o STOCKPILE ��:• ��/U/1� > Z
<br /> TEMPORARY OVERBURDEN' );,`• 1 -'•' - • U N
<br /> SOIL STOCKPILE 2 `=
<br /> STRAW WADDLES OR STABUZIED 1 - - t Lo
<br /> PER SWMP ..: ,
<br /> MINE EXPANSION WATER DRAINS FROM GRAVEL - - -�
<br /> p) STOCKPILE OVERLAND AND I, ��Cf 3S' •%1
<br /> MINING INFILTRATES TO SUBSURFACE = ��` - TEMP TOPSOIL I a n
<br /> o --� HEADWALL STOCKPILE
<br /> EARTHEN BERM
<br /> • �. �r S.W.OR w
<br /> SECTION B-B OPERATIONS AREA FOR GRAVEL PROCESSING, FUEL PROCESSING STABLE PER a
<br /> STORAGE, PARKING, OFFICE, TOILETS, AND SALES AREA y SWMP o n a
<br /> B TYPICAL ACTIVE MINING APPROX. 1.86 ACRES AREA
<br /> SEE DETAIL J/12 FOR TYPICAL PROCESSING LAYOUT A
<br /> 6 N.T.S. SEE SHEET K/13 FOR TYPICAL SPILL PREVENTION }� a ar
<br /> � CONTROL AND CONTAINMENT FUEL STORAGE DETAILS
<br /> mr� sz $
<br /> � BERM. SEE DETAIL A/6 t1. ',I;•5380 -�^••..•, • i�yy- - - 00/• - �s:.- ' '� c c c c
<br /> % o2
<br /> _ GRADE I# --i MAINTAIN Ex. CROSSING TO 8
<br /> a f 11 STOCKPILING AREA S, i ALLOW VEHICLE ACCESS TO - O " °
<br /> 11 0 54 ACRES (23,500 SF)-, �. -� : 6
<br /> WETLAND I it �, ''' MINING AREA
<br /> JO No, 2019J41.002
<br /> N SLOPE AREA ¢ I I .'' TOPSOIL STOCKPILING AREA ','Y" .•' i EX. GAS LINE Drawn RCS E
<br /> n I TTAILWATER ( ) �: Oate: o�od 2ozs 0.12 ACRES 5,200 SF11 . 1 (OWNED BY URSA RESOURCES) 0C. ABF PE: ABF
<br /> 00 CHANNEL 11 •l FOR 566 CY KEPT TOPSOIL, •1 III
<br /> i LOCATION 11 .• Fde: ROnPit{xhibds
<br /> NOTES: WETLAND SLOPE AREA WILL BE VARIES �� - •HAUL ROAD % 3 `� Ex. NON-POTABLE WATER n°°:
<br /> S RECLAIMED WITH STOCKPILED TOPSOIL I1 y� - - . - (OWNED BY URSA RESOURCES) Phase 1-3 Mining
<br /> i - AND REVEGETATED PER TABLE 2 ON Ex. WETLANDS .71 FUEL STORAGE [� _
<br /> Progression
<br /> SHEET 2 BOUNDARY 11 jj WITH SPCC ..y^11-
<br /> I I':• e �•^�_=_•-' Exhibit-30%
<br /> = 1 y
<br /> N SECTION C—C ` _, �� A -` MINE ENTRANCE
<br /> C RECLAIMED '� `� SCALE, SW4LE HOUSE (EAT, LONG) _ (39.533805', -107.692804') C
<br /> 6 N.T.S. - SEE ALSO SECTION F/8, SHT 8 �J - K- & TOILETS (2) j::: V
<br /> Of: 15
<br /> Figure 9. Exhibit C4— Phase 1, Phase 2, and Phase 3 30% Mining Map
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