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HomeMy WebLinkAboutNCG021049015 1 12 3 4 5 6 7 8 PROJECT NARRATIVE THE PROPOSED CAROLINA LITHIUM PROJECT IS LOCATED IN GASTON COUNTY, NORTH CAROLINA JUST EAST OF CHERRYVILLE. THE PROJECT SITE ENCOMPASSES APPROXIMATELY 1,548+/-ACRES AND IS BOUNDED BY HEPHZIBAH CHURCH ROAD AND GASTON WEBBS CHAPEL ROAD TO '1 1 1gIT 4a[aE' SU RE E. E 1iAMC;E. l4AIE THE NORTH,ANTHONY GROVE ROAD AND ST.MARKS CHURCH ROAD TO THE WEST, DALLAS-CHERRYVILLE HIGHWAY TO THE SOUTH,AND LONG BASM LCL DES1116UPHASIE NIIM PLREA fac Car-1 QZS,IcfsiM ISO ESE' A (ft) VOLtNAfcfl V0LUWfdj D"AWNtft SHOALS ROAD TO THE EAST. THE DEVELOPMENT CONSISTS OF VARIOUS COMPONENTS, INCLUDING THE CONCENTRATE OPERATIONS AND 1 Ptumes 1 2 201 T10-38 10,38SU_% 22,161 25,091 835-50 SBAMi, 5 j 4.0 225 LITHIUM HYDROXIDE CONVERSION PLANT. S&202 Plumes 1&2 202 54f5 5:65 27-73 Tzm 13,518 827. ' W1704 2&5% W.50 10 1.75 THE LITHIUM HYDROXIDE CONVERSION PLANT SITE IS LOCATED NORTH OF THE CONCENTRATE OPERATIONS(NORTH OF ST.MARKS CHURCH 1 &2 3,93 19x EI,115 8 E7+1 1 111 :50 3.0 150 ROAD). THE CONVERSION PLANT DEVELOPMENT INCLUDES A CONVERSION PLANT FACILITY,WATER TREATMENT PLANT,ADMINISTRATIVE AND LABORATORY BUILDINGS AND PARKING,A(MAIN ACCESS ROAD OFF HEPHZIBAH CHURCH ROAD,AND A RAIL SPUR THAT CROSSES HEPHZIBAH 1 22D4 '° "+ O71 1 , a'S � - t "15r." 9.TS CHURCH ROAD AND CONNECTS TO THE PLANT AREA. 1-&2 4- 4.W 9. 11, 1 MAO .11I° 1 1 3.EI` 1.5M11' THE PLANS SHOW EROSION CONTROL MEASURES FOR 2 PHASES OF CONSTRUCTION. PHASE 1 IS FOR INSTALLATION OF EROSION CONTROL S&206 Plumes1`&2 5 5D f1,742 13 22'1 a5 5 1 MEASURES FOR MASS GRADING AND STAGING OF THE SITE. AS CONSTRUCTION PROGRESSES, PHASE 2 SHOWS THE EROSION CONTROL S812D7 Flumes 1 &2 MT 4- 4, !R,&n 1 250 5- 376 845.50 103 1.511 � D MEASURES NEEDED TO REACH FINAL BUILD-OUT OF THE CONVERSION PLANT AND ITS ASSOCIATED APPURTENANCES. S Ph 1' 5r F , f2_01163 13,155 ,170 2T ! 3:1I' 1. 5 S Ph,I Plume T 5. fi.40 31.4 T31. 6,, 11,E 27,;182 �50 4.8 ttea: THE CONSTRUCTION SEQUENCE BELOW APPLIES TO THE CONVERSION PLANT SITE ONLY. SB-210 Ph I Phase 1 210 1"o_15 10.65 52-2r7 22-738 25,091 BaZ.50 TRJ7D 50 4.6, *SKIMMER SIZES AND ORIFICE DIAMETERS ARE CALCULATED BASED ON NCDEQ DESIGN METHODOLOGY AND WILL BE REVIEWED AND APPROVED BY THE ENGINEER ONCE A SKIMMER SUPPLIER/MANUFACTURER HAS BEEN CHOSEN. CONSTRUCTION SEQUENCE SEDIMENT BASIN SUMMARY TABLE THIS IS A SPECIFIC CONSTRUCTION SEQUENCE FOR THE LITHIUM HYDROXIDE CONVERSION PLANT DEVELOPMENT OF THE OVERALL CAROLINA LITHIUM PROJECT. THIS NARRATIVE PROVIDES AN OUTLINE OF MEASURES REQUIRED TO PREVENT SEDIMENT LADEN STORMWATER RUNOFF FROM EXITING THE PROJECT PHASE LIMIT 10F DISTURBANCE(LOD). THE CONTRACTOR IS REQUIRED TO TAKE ALL NECESSARY MEASURES, WHETHER SPECIFICALLY IDENTIFIED HEREIN OR NOT,TO COMPLY WITH NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY EROSION AND SEDIMENT CONTROL REQUIREMENTS.,REFER TO GENERAL EROSION AND SEDIMENT CONTROL NOTES,PLAN SHEETS AND DETAILS ASSOCIATED WITH THIS PLAN SET. EROSION CONTROL CONSTRUCTION SEQUENCE PHASE 1 GENERAL 1. PHASE 1 CONSISTS OF SITE CLEARING.AND GRUBBING AND STAGING FOR FUTURE CONSTRUCTION ACTIVITIES PERTAINING TO 1. PRIOR TO COMMENCING ANY LAND DISTURBING ACTIVITY,THE EROSION AND SEDIMENT CONTROL(ESC)PERMIT FOR THE THE CONVERSION PLANT SITE. PROJECT MUST BE APPROVED BY NCDEQ AND RECEIVED BY THE OWNER.A PRE-CONSTRUCTION CONFERENCE SHALL BE HELD L�1(�'M DEO ' PRC9�J M P STORAGE EM M, BY THE CONTRACTOR WITH NCDEQ PRIOR TO ANY SITE WORK OR DISTURBANCE. 2. INSTALL TEMPORARY CONSTRUCTION ENTRANCE AND CONCRETE WASHOUT STATION AT BOTH THE RAIL AND THE ROAD BEPM ACCESS LOCATION ALONG HEPHZIBAH CHURCH ROAD. SEDIMEXT1AP E TCAf 4]IF PHASE t�� S�RI� AID. SURFACE SURFACE sr .. .E 1�'Oi:1J ON ISP'ILLIWA46Y BY-PASS 2. PRIOR TO COMMENCING ANY LAND DISTURBANCE ACTIVITY, CLEARLY AND ACCURATELY DEMARCATE THE LIMITS OF ALL LDL AMA(ac-) ,EI.EVr''A-nGN Iftj AUTHORIZED LAND DISTURBANCE WITH STAKES,RIBBONS,OR OTHER APPROPRIATE MEANS. NO LAND DISTURBANCE MAY 3. STAKE OUT LIMITS OF DISTURBANCE AND INSTALL PERIMETER EROSION CONTROL MEASURES SUCH AS SILT FENCE AS ELE11�A�iiE1�4r "(dl 1OLIJNlE ELE�y/�T11DN ERIILI �# OCCUR OUTSIDE THE LIMITS INDICATED ON THE APPROVED PLANS. DENOTED ON PHASE 1 EROSION CONTROL PLANS PRIOR TO ANY LAND DISTURBANCE ACTIVITIES(CLEARING,GRADING, ST 220 Plies 1 &2 0-1-55 2 11,174 1,355 eel-Do i'mo 21911 891- 1 893:00 GRUBBING,OR EXCAVATION). 3. PROVIDE NOTIFICATION TO ALL AFFECTED PROPERTY OWNERS PRIOR TO CONSTRUCTION,AS APPLICABLE. ST-221 Phases I &2 0.51 2. i'm 1,317 SWOD 1 M6 2.074 8w.00 $ .DDd-50, 4. INSPECT ALL EROSION CONTROL DEVICES AT WEEKLY INTERVALS AND AFTER EVENTS EXCEEDING 1/2"TO VERIFY THAT THEY T-222 Phases 1 &2 0. 4.17 1,81I5r 1, 78-11 3,D 3.21� - 0 E80• -�1 4. THE CONTRACTOR SHALL INSTALL ALL EROSION AND SEDIMENTATION CONTROL MEASURES AND DEVICES NECESSARY TO ARE FUNCTIONING PROPERLY.ANY ACCUMULATED SEDIMENT SHALL BE REMOVED. COMPLY WITH THE STANDARDS AND SPECIFICATIONS OF THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY ST-.223-E'1 2 Phi 2 CI. 3" 1,7 1° 884_{ F 2: 1 3`C111 r D11 _(NCDEQ)AND APPLICABLE STATE AND LOCAL LAWS AND ORDINANCES,AND PREVENT STANDING WATER WITHIN PROJECT S T 224 Phases 1 &2 0-160 2.94 1,281 1.6 0 2,160 2,704 OL4-OD 8M-50 LIMITS, UNLESS OTHERWISE DIRECTED. INSTALL ALL PERIMETER EROSION AND SEDIMENT CONTROL DEVICES AS SHOWN ON 5. PROVIDE PERMANENT SEEDING AND SLOPE MATTING ALONG WITH TEMPORARY SEEDING ON ALL GRADED AREAS THAT ARE AT ST-225 Phases 1 ,&2 0.85 4.17 1,815 1,5 +14_00 30fi0 3,155 51 •.00 816.0615'5 THE APPROVED PLANS PRIOR TO ANY LAND DISTURBANCE. FINAL GRADE AND WILL NOT BE PAVED. ST-2216 Phases 1 &2 0.60 2.45 1.067 t.640 824.00 11,8DO 2,704 824.00 826-00 5 5G, 5. FAILURE TO INSTALL,OPERATE OR MAINTAIN ALL EROSION CONTROL MEASURES WILL RESULT IN ALL CONSTRUCTION BEING 6. INSTALL ALL PERMANENT CREEK CROSSING IMPROVEMENTS PRIOR TO ANY SITE GRADING OTHER THAN THOSE AREAS ST-227 Phases 1 &2 0.25 1.23 534 Ei21 =_I00 Sao 902 524-W 823-5G C STOPPED ON THE JOB SITE UNTIL SUCH MEASURES ARE CORRECTED TO NORTH CAROLINA EROSION AND SEDIMENT CONTROL NECESSARY TO PROVIDE FILL FOR THE PERMANENT CREEK CROSSING. NO 401/404 IMPACTS ARE ALLOWED FOR STREAM S e 1 Phase 10,.7 3.68 11, tII 1,816 1 l�l 2,700 2,723, 894-00 996.00 895L50 REGULATIONS. CROSSING NUMBER 3 OR STREAM CROSSING NUMBER 4. �T -Pie 1' F' 1 0�90 1 ' 1.095 87S[ 1,440 1,713 878 6. INSTALL CONSTRUCTION ENTRANCES AND ACCESS ROADS IN ACCORDANCE WITH STATE STANDARDS AND WITH MINIMAL 6.1. INSTALL WATTLES ALONG TOP OF STREAM BANKS.CLEAR TREES AND HEAVY VEGETATION. DISTURBANCE TO SURROUNDING VEGETATION AND TREES. WITHIN 30 DAYS AFTER CONSTRUCTION IS COMPLETED FOR WHICH 6.2. GRUB GRADE WORKING AREA TO SET THE CULVERT WITHIN THE CULVERT CONSTRUCTION FOOT-PRINT. SEDIMENT TRAP SUMMARY TABLE ACCESS ROAD IS USED,AND UNLESS OTHERWISE APPROVED,CONTRACTOR SHALL REMOVE ALL REMNANTS OF THE ACCESS 6.2. INSTALL ARCH CULVERT FOUNDATIONS OUTSIDE OF STREAM BANKS AS NOTED ON PLANS. ROADS AND RETURN AREA TO AS GOOD AS OR BETTER CONDITION. ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE REQUIRED BASED ON CONTRACTOR'S PRACTICES AND WILL BE EMPLOYED WHERE DETERMINED NECESSARY 6.3. INSTALL ARCH CULVERT PER MANUFACTURER'S DESIGN IN LOCATIONS SHOWN ON PLANS. BY ACTUAL SITE CONDITIONS. 6.4. GRADE FILL ABOVE CULVERTS AND MAT&SEED ALL GRADED SLOPES. 6.5. REMOVE WATTLES AND OTHER EROSION CONTROL MEASURES ONCE STABILIZATION MEASURES ARE IN PLACE. 7. ALL MATERIALS SPILLED, DROPPED,VWASHED, OR TRACKED FROM VEHICLE OR SITE ONTO PUBLIC ROADWAY OR INTO STORM DRAIN MUST BE REMOVED. PHASE 2 8. COMPLY WITH THE FOLLOWING MEASURES FOR GRUBBING: 1. PHASE 2 CONSISTS OF THE REMAINING SITE, UTILITY,AND DRAINAGE IMPROVEMENTS,THE PAVING OF THE ACCESS ROADS, INSTALLATION OF THE RAIL SPUR AND;STORAGE YARD,AND THE FINAL STABILIZATION OF THE SITE. a. GRUBBING SHALL BE PERFORMED DURING PREDICTED PERIODS OF DRY WEATHER. b. EROSION CONTROL DEVICES AND STORMWATER MANAGEMENT DEVICES SHALL BE INSTALLED PRIOR TO ANY OTHER 2. DURING PHASE 2,THERE WILL BE SOME COORDINATION TO CONSTRUCT THE CONVEYOR FROM THE CONCENTRATE PLANT TO CONSTRUCTION AND WITHIN 24 HOURS OF GRUBBING. THIS MAY REQUIRE GRUBBING IN STAGES TO ENSURE EROSION THE CONVERSION PLANT. REFER TO CONCENTRATE OPERATIONS PLANS. CONTROL MEASURES ARE PUT IN PLACE PRIOR TO RAIN EVENT. THE LOCATION OF SOME OF THE EROSION CONTROL DEVICES MAY HAVE TO BE ALTERED FROM THAT SHOWN ON THE APPROVED PLANS IF DRAINAGE PATTERNS DURING 3. PROVIDE CHECK DAMS,OUTLET PROTECTION,SLOPE AND CHANNEL MATTING AND OTHER STABILIZATION MEASURES THROUGH CONSTRUCTION ARE DIFFERENT FROM THE FINAL PROPOSED DRAINAGE PATTERNS. IT IS THE CONTRACTOR'S THIS PHASE. REQUIRED PROVIDED PROVIDED SPILLWAY EMERGENCY TOP OF RESPONSIBILITY TO ACCOMPLISH EROSION CONTROL FOR ALL DRAINAGE PATTERNS CREATED AT VARIOUS STAGES OPERATIONAL REQUIRED PROVIDED PROVIDED SIMMER ORIFICE SPILLWAY �� SKIMMER BASIN DRA►INAI�I= STORAGE STORAGE STORAGE SPILLWAY �CONiTROL SPILLWAY DURING CONSTRUCTION. ANY(DIFFICULTY IN CONTROLLING EROSION DURING ANY PHASE OF CONSTRUCTION SHALL INTERVALS AND AFTER EVENTS EXCEEDING 1/2"TO VERIFY THAT THEY PHASE DRAINAGE ds SURFACE SURFACE SURFACE AREA SIZE DIAMETER SIDE SLOPE IMMEDIATELY BE REPORTED TO THE ENGINEER. 4. INSPECT ALL EROSION CONTROL DEVICES AT WEEKLY N ERVALS I.D. AREA a[. ' VOLUME VOLUME 'VJ`OWME DEP"'IT�I ft BOTTOM ELEVATION ELEVATION ARE FUNCTIONING PROPERLY.ANY ACCUMULATED SEDIMENT SHALL BE REMOVED. �#iFtEA I�iO� � � AREA�5'I~� AREA(sf� ELEVATION �ft� (in.) �H'„'kl�� c. SILT FENCE SHALL BE INSTALLED WITHIN 24 HOURS OF GRUBBING.THE CONTRACTOR SHALL REMOVE ACCUMULATED d L ELEVATION ft 'kAIdIDTH' ft fI ft SILT WHEN THE SILT IS WITHIN 12"OF THE TOP OF THE SILT FENCE UTILIZED FOR EROSION CONTROL. 5. CONDUCT PERIODIC INSPECTIONS OF ALL EROSION AND SEDIMENTATION CONTROLS AND MAKE ANY REPAIRS OR S -240 Ph 2 Phase 2 240 1.55 7.61 2,472 2,579 8$0,00 2,790 4,414 880.00 zo 1.00 2.1 1.50 10 881.00 882.50 9. ON-SITE STOCKPILING OF SOIL IS ALLOWED WITHIN THE LIMITS OF DISTURBANCE SUBJECT TO PLACING APPROPRIATE EROSION MODIFICATIONS NECESSARY TO ASSURE CONTINUED EFFECTIVE OPERATION OF EACH DEVICE. SK-241 Ph 1' Phase 1 241-1 2.58 12.66 4,115 4,W 876.00 4,644 8,860 876 DO Z5 1.25 2:1 1.50 10 877:I00 878.50 CONTROL DEVICES TO PREVENT SOIL LOSS DURING RAIN EVENTS. LOCATIONS SHALL BE PRE-APPROVED BY THE INSPECTOR. 6. ALL SLOPES SHALL FOLLOW THE REQUIREMENTS OF INCREMENTAL STABILIZATION AS THEY ARE GRADED. SK-241 Ph 2 Phase 2 241-2 1.66 8.15 2,648 2,792 876_00 2,�988 5,017 876.DO 2.5 1.00 .2=1 1.50 ID 877.00 878.50 10. ANY OFF-SITE BORROW AND WASTE REQUIRED FOR THIS PROJECT MUST COME FROM A SITE WITH AN APPROVED EROSION SI4-242 Ph 2 Phase 2 242-2 1.50 7.36 2,,393 2,483 836.00 21700 4,235 836,00 2..0 1.00 2:1 1.50 10 837.00 W-50 CONTROL PLAN,A SITE REGULATED UNDER THE MINING ACT OF 1971,OR A LANDFILL REGULATED BY THE DIVISION OF SOLID 7. PROVIDE PERMANENT SEEDING ON ALL GRADED AREAS.FINAL SLOPES SHALL BE TRACKED AND MATTED PRIOR TO SEEDING. SK-243 Ph 1' Phase 1 243-1 2-26 11.0 3,605 3,627 876.00 4,068 6,228 87&00 10 t00 2.1 1.50 10 877.00 878.50 WASTE MANAGEMENT. TRASH/DEBRIS FROM DEMOLITION ACTIVITIES OR GENERATED BY ANY ACTIVITIES ON SITE MUST BE SK-243 Ph 2 Phase 2 243-2 1.910 9.33 3,031 3,296 87&00 3,420 5,762 876.00 3.0 1.00 2:1 1..50 10 877.00 87&50 DISPOSED OF AT A FACILITY REGULATED BY THE DIVISION OF SOLID WASTE MANAGEMENT OR PER DIVISION OF SOLID WASTE 8. INSTALL STORM DRAINAGE INLET PROTECTION FOR ANY OPEN STRUCTURES AS THEY ARE COMPLETED. MANAGEMENT OR DIVISION OF WATER RESOURCES RULES AND REGULATIONS. (15A NCAC 413.0110] S`IC-244 Phases 1 & 2 244 2..25 11,04 3,.589 3,594 $+t3.{}0 4,050 19,302 843.0U 2.51.25 2�1 1.50 10 844.0a 845.50 9. PROVIDE OUTLET PROTECTION FOR ALL STORM DRAINAGE OUTLET POINTS. SK-245 Ph 1 Phase 1 245-1 110 15�.21 4,945 '5;001 842.00 5,580 8,°J47 84ZD0 2.0 1.50 2.1 1.50 10 843.00 844.50 11. ALL DITCH LINES DISTURBED DURING CONSTRUCTION SHALL BE STABILIZED BY THE CONTRACTOR. ON ALL, NEW OR SK-245 Ph 2 Phase 2 245-2 1.15 5•.64 1,834 1,,946 842.00 2,070 3,175 842.00 2..0 0,75 2:1 1. 10 843.00 844.50 B DISTURBED, UNPAVED DITCHES INSTALL SOIL STABILIZATION MEASURES AS APPROPRIATE AND IN ACCORDANCE WITH NCDEQ S -246 Ph 1! Phase 1 2416-1 2. 1 13,74 4,466 4,512 87 9.00 5F,040 8,034 879.G10 2.5 t2'5 2:1 1.50 10 880.00 881.50 STANDARDS. 10. MAINTAIN CONCRETE WASHOUT AREAS AND REMOVE ACCUMULATED CONCRETE AND DISPOSE OF IN A LEGAL MANNER. SK-247 Ph 1 Phase 1 247-1 1.90 9.3 3,031 3,�69 ?.00 3,420 5,324 890.00 2.5 1.00 2:1 1.5Q 10 �#91.00 892.5�M 12. PROVIDE SILT FENCE ADJACENT TO DITCHES AND AT THE TOE OF FILL SLOPES.ALSO, PROVIDE ADEQUATE MEASURES IN AREAS SK-248 Ph 1 Phase 1 248-1 2.72 13.35 4,339 4,732 872.00 4,896 8,435 87�"i. 2.5 1.25 2:1 1. 10 873.150 874.50 WHERE NATURAL VEGETATION DOES NOT PROVIDE A SUFFICIENT BUFFER AND AS DIRECTED BY THE ENGINEER. SK-249 Ph 1• Phase 1 249-1 2. D 11.78 3,82'8 3, 4 814.00 4,320 6,972 814.00 2.5t25 2_1 1`50 1 10 1 815`00 816`511 "SKIMMER SIZES AND ORIFICE DIAMETERS ARE CALCULATED BASED ON NCDEQ DESIGN METHODOLOGY AND WILL BE REVIEWED AND APPROVED BY THE ENGINEER ONCE A SKIMMER SUPPLIER/MANUFACTURER HAS BEEN CHOSEN. 13. PROVIDE INLET SEDIMENT FILTER AT ALL NEW STORM INLETS. SKIMMER BASIN SUMMARY TABLE 14. INSTALL SILT FENCES AND OTHER CONTROL DEVICES TO CONTROL SOIL EROSION DURING CONSTRUCTION. 15. INSTALL 7-FOOT PERIMETER FENCING AT LOCATIONS SHOWN ON THE PLANS. 16. CLEAN OUT ALL SEDIMENT AND EROSION CONTROL DEVICES WHEN THEY REACH 1/2 FULL. 17. ALL EROSION CONTROL DEVICES MUST MEET NCDEQ REQUIREMENTS AND BE PROPERLY MAINTAINED DURING ALL PHASES OF CONSTRUCTION UNTIL THE COMPLETION OF ALL CONSTRUCTION ACTIVITIES AND ALL DISTURBED AREAS HAVE BEEN STABILIZED. 18. ADDITIONAL CONTROL DEVICES MAY BE REQUIRED DURING CONSTRUCTION IN ORDER TO CONTROL EROSION AND/OR OFFSITE SEDIMENTATION. STRUCTURE RIP RAP LENGTH US WIDTH DS YIAIDTH DEPTH 19. PROVIDE STABILIZATION IN PORTIONS;OF THE SITE WHERE CONSTRUCTION ACTIVITIES HAVE PERMANENTLY OR TEMPORARILY I.D. CLASS 00 (ft) (ft) (in) CEASED.THESE MEASURES SHALL BE IN PLACE NO LATER THAN 14 DAYS AFTER THE WORK HAS CEASED. MATERIAL PI PIE OP-201 1 12 6 F 12 CONTRIBUTING DESIGN 5TC]R h,1 DE51Gh; DIAMETER LENGTH SLOPE CULVERT OP-203A* II 16 10 12 18 I"��_5 f 20. REMOVE ALL TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES AND MEASURES UPON COMPLETION OF THE PROJECT Culvert I.D. AREA(AC.) EVENT(wlFl} FL(}I�.F(CFSJ CAPIAC ITY* I;Ih, ` AND APPROVAL FROM THE OWNER. ALL SEDIMENT CONTROL WILL BE MAINTAINED UNTIL ALL UPSTREAM GROUND WITHIN THE _� I:_} OP-202 I 12 6 7 12 CONSTRUCTION AREA HAS BEEN COMPLETELY STABILIZED WITH PERMANENT VEGETATION. C-LJ1 2.49 2.5 4.91D 16_60 24 59 5.12 RCP OP-202A* I 12 10 12 12 21. GROUND STABILIZATION SHALL BE ACHIEVED CONSISTENT WITH NCDEQ GENERAL PERMIT NCG010000. WHERE LAND C-102 5.59 25 11.03 46-03 36 47 6.45 RCP OP-203 1 12 6 7 12 DISTURBING ACTIVITIES HAVE TEMPORARILY OR PERMANENTLY CEASED,ALL DISTURBED AREAS SHALL BE PROVIDED WITH OP-203 A 1 12 6 7 12 TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER WITHIN 14 CALENDAR DAYS FROM THE LAST LAND �C 1J3 14.2E 25 28.73 92_73" 4R ={38 2.i0 REP OP-204 I 12 6 7 12 DISTURBING ACTIVITY EXCEPT FOR ALL PERIMETER DIKES,SWALES, DITCHES,PERIMETER SLOPES,AND ALL SLOPES STEEPER 1A-N 2•93 25 20.7 2+4-51 24 35 1.00 H DPE THAN 3:1 (H:V),WHICH SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER WITHIN 7 OP-204A* 1 12 10 12 12 CALENDAR DAYS FROM THE LAND DISTURBING ACTIVITY. THE CONTRACTOR SHALL REFER TO GENERAL PERMIT NCG010000 FOR 1EI N 1. 25 13. 24-51 24 35 1.00 H DPE OP-205 1 12 6 7 12 A SPECIFIC CONDITIONS, EXEMPTIONS,AND DEFINITIONS FOR MEETING THESE STABILIZATION REQUIREMENTS. 2A-P,I 1.23 25 7.99 24_51 24 65 1.00 H DPE OP-205A I 12 6 7 12 22. PERSONS RESPONSIBLE FOR LAND DISTURBING ACTIVITIES MUST INSPECT THE SEDIMENT AND EROSION CONTROL MEASURES 2B--N 2.38 25 16.134 24-51 24 65 1.00 H DPE OP-206 1 18 9 11 12 ON A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED EROSION AND SEDIMENTATION 3-N 1.63 25 10.91 24.51 24 =20 1.00 H DPE OP-207 1 15 7.5 9 12 CONTROL PLAN IS BEING FOLLOWED.SELF-INSPECTION REPORTS ARE REQUIRED.A SAMPLE SELF-INSPECTION REPORT AS OP-208 1 15 7.5 9 12 WELL AS DETAILS OF THE SELF-INSPECTION PROGRAM CAN BE FOUND ON THE LAND QUALITY WEB SITE: 4-A-N 3.08 25 21.49 24-51 24 '_00 1.00 H DPE OP-209 I 15 7.5 9 12 http://deq.nc.gov/about/divisions/energy-mineral-land-resources/erosion-sediment-control/forms 46-hd 2.91 25 19.55 2+4.51 24 1.00 H DPE OP-210 I 15 7.5 9 12 4C-N 2.91 25 19.55 24.5L 24 1.00 H DPE C-101 II 20 6 10 30 4D-N 1.97 25 14.1 24.51 24 '06 1.03 H DPE C-102 11 36 9 18 30 5-A-N 2.92 25 18.71 24.51 24 60 1.00 H DPE C-103 II 48 12 24 1 30 5B-hl 2.92 25 18.71 24-51 24 =$0 L.00 HDPE -DENOTES DOUBLE(PARALLEL) OUTFALL PIPES. RIP RAP HAS BEEN SIZED FOR ONE APRON AT THE DOUBLE OUTFALL. CULVERT SUMMARY TABLE OUTLET PROTECTION SUMMARY TABLE PROJECT MANAGER V. HAYNES, PE --,, PIEDMONT LITHIUM CAROLINAS INC. LITHIUM HYDROXIDE CONVERSION �N••CAR��'%� •' o %-- CAROLINA LITHIUM PROJECT PLANT - CONSTRUCTION SEQUENCE :Q. S AL 5 3/13/2024 REVISED PER DEMLR COMMENTS V I . 3 LITHIUM HYDROXIDE CONVERSION PLANT AND DRAINAGE SUMMARY DETAILS F)l4 1/23/2023 REVISED PER DEMLR COMMENTS C R A ru T3 5/31/2022 REVISED PER DEMLR COMMENTS -'.,�� •••��IN �`�•� GASTON COUNTY NORTH CAROLINA SHEET g '�,F,Q�E•K"Np��,�` FILENAME - OOG-005 PIEDPA01 'IR HDR Engineerin Inc.of the Carolinas 2 12/08/2021 REVISED PER DEMLR COMMENTS 'e, ,�% 3/13/2024 440 S.Church Street, Suite 1200 1 8/27/2021 MINING PERMIT ����'������►"��� LITHIUM Charlotte, NC 28202-2075 SCALE - N.T.S. 00G-005 704.338.6700 ISSUE DATE DESCRIPTION PROJECT NUMBER 10302238 N.C.B.E.L.S.License Number: F-0116