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HomeMy WebLinkAbout5._11526_GOLD_HILL_MINMOD_SHEET_5_r1 MINE LEGEND / �732.7 / / \ COMPILED BY: PROPERTY/PERMIT LINE J❑N P, JACKS❑N I I \ PERMIT LINE AND \ 4743.5 PIT LIMIT BARBARA E, JA SON 25'UNEXCAVATED BUFFER UNDISTURBED STREAM BUFFER ----------- \\ A ' .rr � UNDISTURBED BUFFER/ ------------------- CONSTRUCTION LIMITS CABARRUS COUNTY WATER - - - - - // I \ 0 : BODY BUFFER ZONE CABARRUS COUNTY WATER BODY NO BUILD BUFFER ZONE / / ' I / \ MAPPING tuckSOLUTIONS, INC. INSTALLED PREVIOUSLY PROPOSED OR / / / I �1 6.6 53.2\ 1 www.tuckmapping.com APPROVED (NOT RELOCATED I / \ CONSTRUCTED) MEASURE DATE OF PHOTOGRAPHY : 1/9/19_; ' / / / I , SEDIMENT BASIN Q ROCK DAM ❑ RD RD 19.4 RISER SEDIMENT BASIN � RSB RSB � I -732.9 I Q U A TEMPORARY DIVERSION DITCH TD) & CULVERT XX" CMP I - EPANS10 61 . 1 M V � I ISILT FENCE X X x � I DIVERSION CHANNEL � ® J❑N P, JACKS❑N I a SLOPE DRAIN WATTLES AT INLETS I AND I I PLUNGE POOL ® BARBARA E, JACKS❑N I D I NOTE: OTHER CCONTROLYMBOLS MAY BE MEASURES. REFEREDTO TO DELINEATE L E EROSION NOTES. CATEGORY AFFECTED ACREAGE SEDIMENT/SETTLING PONDS * 0.9 ACRES OVE � � E N , 3 OVERBURDEN STORAGE 136.4 ACRES I I Q STOCKPILES 19.0 ACRES I -721 .7 PROCESSING/HAUL ROADS 9.8 ACRES I 4 _ PIT 286.8 ACRES X I I STO A GE AREA �� \\0 (� OTHER 25.6 ACRES X X I 09.3 TOTAL 478.5 ACRES X _ I TOTAL PERMITTED AREA 553.8 ACRES _ _ _ _ - - - - - _ * TEMP.THE PIT IS USED AS A SETTLING POND 3: SIDE SLOPES I TEMP.DIV SION CHANNEL 20-2 0 MINE MAP NOTES: / - _ / 30M1 E SSLOPESDEPTH \�^0 1. THE MODIFICATIONS TO THE MINE MAP INCLUDE THE ADDITION OF A 25 0.57o DITCH SLOPE I/ \ UNDISTURBED BUFFER ALONG THE EASTERN AND SOUTHEASTERN SIDE O X 130 OF THE QUARRY TO REPLACE OVERBURDEN STORAGE BERMS PREVIOUSLY APPROVED, ADDITION OF ADDITIONAL PHASING FOR THE QUARRY EXPANSION, THE ADDITION OF 138.8 ACRES ON THE WESTERN SIDE OF THE QUARRY, AND CONSTRUCTION OF A MATERIAL STORAGE EA DESIGN 5 AND SIZE OF THE SEDIMENT BASINS APPROVED IN 2013 730- 72 J 2. THE MINE PERMIT MODIFICATION WERE NOT REDUCED TO REFLECT THE � �X / � � O CHANGE IN THE OVERALL DISTURBED AREA. 3. THE SEDIMENT BASINS THAT HAVE BEEN INSTALLED ARE SHOWN IN DARK GREEN. EROSION CONTROL MEASURES SHOWN IN A LIGHT JACKS❑NEXISI BROWN WERE PREVIOUSLY APPROVED, BUT NOT INSTALLED. EROSION I T� �J CONTROL MEASURES SHOWN IN A DARK RED ARE MEASURES V B PREVIOUSLY APPROVED, BUT HAVE BEEN SHIFTED TO MATCH UPDATED - / - - -- __ _ - - - -- -- __ 72 19.4 0 TOPO AND THE REMOVAL OF THE PROPOSED OVERBURDEN STORAGE JACKS❑N _ -- _ 5 BERM. EROSION CONTROL MEASURES SHOWN IN LIGHT BROWN AND / 8s4 - - - -- -- - - -- -- -- - - - alley, wllllams, carmen, & king, inc. DARK RED ARE MEASURES THAT WERE PREVIOUSLY APPROVED IN 2012 / - " -- ` " - I CONSULTING ENGINEERS AND 2013 USING THE UPDATED EFFICIENCY DESIGN STANDARDS. 4. PORTIONS OF INFORMATION SHOWN ON THIS MAP WERE PREPARED BY / / /yam - - -- _ _ _ _ _ 750 r FIRM LICENSE No. F-0203 OTHER ENGINEERING FIRMS. REFER TO PREVIOUS MODIFICATIONS FOR / /� / // INSTALL _ _ _ -- _ _ _ _ 120 SOUTH MAIN STREET P.O. BOX 1248 CONSTRUCTION DETAILS. / G SC150BN - - - - - __ 5. STREAM CROSSINGS WERE DESIGNED BY CONCORD ENGINEERING AND // / BLI ENCH - _ - KANNAPOLIS, NC 28082 704/938-1515 SURVEYING (CESI). USE THE ORIGINAL CONSTRUCTION PLANS AND / / // / TEMP.HIGHWALL BERM `J1 - ' - -- ___ __ _ DATE.• JOB No.: DRAWN BY. CHECKED BY. DRAWING No.. SWALE DETAILS FOR THE CONSTRUCTION OF THE CULVERTS AND SHOWN IN / // / / 0 - ` O 5-06-20 11526 RCC GWW 11526 Gold Hill A11NMOo 2o2o RED / , / / // /� �' REVISION No. DESCRIPTION DATE INITIAL 6. PROPOSED CROSSING #2 HAS BEEN SHIFTED UPSTREAM FROM THE / ORIGINAL DESIGN LOCATION TO ACCOMMODATE REVISIONS TO THE SITE / // /^ %�� �S - 0 1 PER NCDEQ COMMENTS 7- 10-20 GWW GRADES BASED ON THE UPDATED PROPERTY LINES. ADJUST THE LOCATION AND INVERTS SHOWN ON THESE PLANS. A LOAD ANALYSIS / / /// / SEE INSET A ON SHEET 3 ' HAS NOT BEEN PERFORMED. A CULVERT LOAD ANALYSIS SHALL BE / / Q� FOR PIPE DATA PERFORMED BY THE CULVERT MANUFACTURER PRIOR TO THE FABRICATION OF THE CULVERT. � / / / /�� ' 1 PERMIT LIMITS AND ACREAGES ARE BASED ON AN AGGREGATE OF PROPERTY 7. PRIOR TO CONSTRUCTION OF STREAM CROSSINGS, PERMITS FOR THE �/�/ ^ 51 .3 DEEDS AND BOUNDARY SURVEYS. A BOUNDARY SURVEY OF THE SITE WAS STREAM IMPACTS WILL BE OBTAINED AND PROVIDED TO NCDEQ - LAND / r�� Q NOT PERFORMED BY ALLEY, WILLIAMS, CARMEN & KING, INC. ADJACENT QUALITY SECTION. STREAM BUFFERS SHALL REMAIN UNDISTURBED i � PROPERTY LINES AND INTERIOR PROPERTY LINES ARE APPROXIMATE AND UNTIL PERMITS HAVE BEEN OBTAINED FOR THE DISTURBANCE. / e SHOWN FOR REFERENCE ONLY. 8. ADJACENT PROPERTY OWNERSARE NOW OR FORMERLY AND BASED ON / TEMP. HIGHWALL B RM O 4 .5 / ;160 0 , HORIZONTAL CONTROL POINT OH VERTICAL CONTROL POINT 0 / / � INDEX CONTOUR �--�3500 SPARKLE PR❑PERTIES LLC WATTLE CHEC DAM AT SLOPE DRAI cn \ 0 INTERMEDIATE CONTOURUn ' INLET (TYP) `L / o SPOT ELEVATION 751.6 / cn_ ���'' WATER Q / , O PAVED ROAD INSTALL/ 72 DIRT ROAD 2 -✓ \NAG SC150BN 3.8 BUILDING LINER IN �! � � BENCH \ / SWALE S LOCATED OBJECT C - 89.7 � � \ FENCE � v��� DARY K, PHILEN TREES AND C2 \ ` � ~ PIPE KAR A, KIEEEER \\ ',. / \ TEMP.HIGHWALL BERM O POLE Ar \ \ \ �=ETOWER L ` WELL Q J \ \ I DIT H I V UT:722.0 ` INSTALL THIS MAP MEETS OR EXCEEDS NATIONAL MAP / NAG SC150BN �, a , \ ACCURACY STANDARDS FOR 1"=200', WITH A / \ LINER IN PERM.SLOPE DRAIN(TYP) \ 47 •6 n I I 5' CONTOUR INTERVAL, EXCLUDING AREAS MAPPED BENCH / \ OUTSIDE OF EXISTING GROUND CONTROL OR IN SWALE 0 W WATTLE CHECK DAM A � � PERM.S OFF DRA AT SLOPE DRAIN (TYP) o DENSE TREE AREAS. / O \ INLET (TYP) U a A- `so \0 7 k C:D \ \` , ` 4� SEAL 0 EMP.HIGHWALL BERM \ r = 16883 = \ \ 6 L INSTALL ° ° \ NAG SC150BN INV OUT:724.5 °°,F Q'°° \ \\ LINER IN ;� -UINE� BENCH �� 7-10-20 DocuSigned by: \\ \ SWALE REMOVE PHASE 2 SEDIMENT ) �'��,,,SLE`(t\\\�,��`� / \ BASIN. REPLACE WITH COMPACTED SO L�. W1Owl SILT FENCE(TYP) o FILL. INSTALL NAG SC150BN OBSERVATION WEL 3 \ �73O.4 MATTING ON THE FILL SLOPES ODOME6BA648B... WHERE THE SEDIMENT BASINS WELL TO BE PROT CTED HAVE BEEN REMOVED AND FROM ANY DAMAGE -0 TEMP.HIGHWALL BERM STABILIZE ALL DISTURBED AREAS � WITH A GROUND COVER. DURING CONSTRUCTION �73 3,7 / \� �` �� �- PORTIONS OF THIS MAP HAVE BEEN COMPILED OUTSIDE 350 LF OF CLASS V 30"RCP @ 1.0% THE LIMITS OF CONTROL AND THEREFORE DO NOT JAS❑N H. CLINE /// D❑NALD F, \\ `\\�� WATTLE CHECK DAM �� MEET THE NATIONAL MAP ACCURACY STANDARDS AND / `\\\ ``\ 7S0 AT O E DRAIN s`O CARP N1 ER INLET_ R BECCA D, CLINE \, / / \ \ _ - HORIZONTAL DATUM:NORTH CAROLINA,NAD83,USFT o ' - 4771 .2 VERTICAL DATUM: NAVD88, GEOID 1999 INV 18. CONTOURS IN TREED AREAS ARE APPROXIMATE 4758.2 \ / COMBINED FACTOR: Grid to Ground Ground Grid=01.000815491 LnI _ N o 100 0 100 200 Ln 725 4735.9 SCALE 1 if = 100 FG • I \ CONTOUR INTERVAL 5 \ \ I WHITLEY \ WESTERN MATERIAL STORAGE AREA-PHASE 3 LARRY W,\\ `� \ CONSTRUCTION SEQUENCE ^^ ` AND \ 1. CLEAR ENOUGH AREA TO INSTALL THE EROSION CONTROL MEASURES IN PHASE 3. D I❑NNE I"I, P I G G❑T T \ 1 BARBARA P, W H I T L E Y \\ 2. INSTALL THE SILT FENCE,RSB 20-2,RSB 20-3,AND TEMPORARY DIVERSIONS IN THE LOCATIONS SHOWN ON THE PLAN. \ \ `\ \ u [an 3. CLEAR THE REST OF THE AREA WHERE MATERIAL WILL BE PLACED DURING PHASE 3. \4. FILL RSB 20-2 AND REMOVE THE TEMPORARY DIVERSION CHANNELS IN THIS AREA. STABILIZE THE DISTURBED AREAS WITH A GROUND COVER. PLUNGE Materials Company`\ \��J ' \ 5. BEGIN PLACING MATERIAL IN THE STORAGE AREA. PLACE MATERIAL ALONG THE SOUTHERN AND WESTERN EDGES TO CONSTRUCT THE EXTERIOR SLOPES AS �73 1 • POOL (TYP) \ I \ SOON AS POSSIBLE. ENSURE THAT ALL DISTURBED AREAS DRAIN TOWARDS THE PIT OR RISER BASINS. MAINTAIN A HIGHWALL BARRIER ALONG THE TOP OF - ,{ SLOPES AT ALL TIMES. \ \ 1 \ 6. BRING THE SOUTHERN AND WESTERN EDGES OF THE MATERIAL STORAGE AREA TO GRADE AND INSTALL THE TERRACE AND SLOPE DRAINS. WATTLES ARE TO BE INSTALLED AT THE INLET OF ALL SLOPE DRAINS AND A PLUNGE POOL WILL BE INSTALLED AT THE OUTLET OF ALL SLOPE DRAINS. SEED AND STABILIZE THE EXTERIOR SLOPES BELOW THIS ELEVATION. INSTALL A NORTH AMERICAN GREEN S15OBN CHANNEL LINER IN THE BENCH CHANNELS. DISTURBED AREAS IN THE V STORAGE AREAS ARE TO BE DIVERTED TO DRAIN AWAY FROM THE SLOPE AND TOWARDS THE PIT AT ALL TIMES. GOLD HILL 7. ONCE THE SLOPE ABOVE THE TERRACE HAS BEEN CONSTRUCTED,COMPLETE GRADING OF THE SOUTHERN AND WESTERN SLOPES AND PROVIDE A GROUND COVER ON THE EXTERIOR SLOPES. (�f1 8. CONTINUE TO PLACE MATERIAL IN THE STORAGE AREA.ENSURE THAT ALL DISTURBED AREAS DRAIN TOWARDS DIVERSION CHANNEL 20-2 OR THE INLETS INSTALLED DURING PHASE 1. � � � 9. SEED AND STABILIZE AREAS AT THEY ARE BROUGHT TO GRADE. PROVIDE A TEMPORARY GROUNDCOVER ON EXTERIOR SLOPES AND INACTIVE FILL AREAS ' QUARRY EVERY SPRING AND FALL. 10. KEEP ALL DISTURBED AREAS DRAINING INTO THE PIT AT ALL TIMES. cl 11. INSTALL HIGH WALL BARRIERS ALONG THE TOP OF THE SLOPE AS THE FILL IS BEING PLACED. ` 0 WESTERN C 12. MONITOR ALL EROSION CONTROL MEASURES AFTER EACH RAINFALL. REMOVE ACCUMULATED SEDIMENT,AND REPAIR AND DAMAGE TO THE SEDIMENT BASINS, 1 1 E IJ T E R N MATERIAL DIVERSION BERM,DITCHES,AND SILT FENCE. / 13. ONCE THE MATERIAL STORAGE AREA HAS BEEN FILLED TO THE PHASE LIMITS,STABILIZE THE REMAINING SLOPES AND FILL AREA PER THE RECLAMATION DETAIL �72 1 .3 STORAGE AREA AND SEEDING SPECIFICATIONS. PHASE 3 CONSTRUCTION ,;�,, SHEET 5 OF 9