Loading...
HomeMy WebLinkAbout20241002_Mine_Maps INDEX OF SHEETS .*- SAND + RECYCLE C - 100 COVER SH C - 200 M PERMIT MAP C - 205 MI PIT MAP C - 300 EROSI CONTROL C - 400 RPLAN C - 501 TAILINGS PONDS o <E <1: a_ U >: Cn w o � � w � R11WAN C11UNTY ) KANNAPI] LIS ) NC � M � Q �11 1 Eft ❑ CHVIEEE US &S 7 , 5 YIN QUADRoNGLI E S R W Y a SUM w 00 o STY ; 0 s AG J r S Ji OE Ld FA LL � �0Z�N 01 C �^ �I� O DS E 4 C0X to jto X. a IlI D.061m0 � l KELLER ;•` Q � MINING , ' q m(LO° : U D LLJ w N JHI MCI I SEAL L 13963Uj iy`�� ►/7: `E 0 i O A D FR-.GlNE, ��.J 0 LL : 1 c.o.�j W $`oa NOTE , r� zo� oY V/ C wow �<< FURNISHED DATA: v �G w �W '�. m � The site boundary is not a certified land �� T 8 o r o survey. Parcel data and topographic �' Q U g� information was obtained from Rowan w � € County GIS database. Any discrepancies W found in the field shall be brought to the A SY attention of the engineer. ;° (/� = J zW Q �_ O Wi: . ?oa Q a r Z z > 'w a U M Q m s.o 00 p�a nq ^ °u� L / of c c o 0 E� LLI me %au m J v$u «�o.c LJL1 a 'a— T �O W gU N 0M. M. dia LATITUDE : 35 , 521 � LEINGITUDE — 80 , 682 JOB NUMBER SHEET NUMBER 220703.440 C-100 C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.440KellerMining\Mine Permit Application\dwg\AmendedKeller—MiningWrightRd—Model.dwg H❑US ON HEFNER \ PARCE ID 246 409 \ o 1 , Construction Specifications Q ❑ - 1. Clear the entrance and exit area of all - _-- vegetation, roots, and other objectionable material Q� _J i � and properly grade it. Li t U 2. Place the gravel to the specific grade and CH ST❑PHER CAREY TR TEE dimensions shown on the plans, and smooth it. GAR START S w O �� PAR C L ID 246 418 PAR EL I' 249 ( 3. Provide drainage to carry water to a sediment trap or other suitable outlet. Maintenance rL P� I I DANIE FNER / O LAC �I Maintain the gravel pad in a condition to prevent �< �� ( , P EL ID 330 / CEL ID 249B413 �` MICHAE mud or sediment from leaving the construction - �/ I I LACIE KEENE PARCE TD 24 369 site. This may require periodic top dressing with PARCEL ID 249B433 2- inch stone, After each rainfall, inspect any structure used to trap sediment and clean it out Q i AR STARNES / as necessary. Immediately remove all objectionable i Q� P RCS ID 24 A118 w N ` \ f materials spilled, washed, or tracked onto public Q G z // i roadways.The stone is replaced when no longer �� \ A �� 1 \\ v --- effective at cleaning equipment tires, when the 5 q� y \\ ' P f � / stone is covered with sediment or when sediment DR RUSSET CFI d� F I I ��� cE \ -� f� is being transported onto adjacent roadway. CEL 24 A 1J2 \\ I � \\ � APB` e- ,FEN ,� ��� , 'ADD HUS MITH J M S❑� g ` c� J P CEL D 2 28A i P ELII 249 135 ��� 90 0 J❑ L L WIS ��F �i Tor ma, 3j AREA KPPUBLIC RO D PA CEL D 2 9A09 I ti� � AkCY' E P MINE PIT AREA _�� � 100' MIN �D P�Nr j 222 ACRES i� 1 V KY MOSS 20' Min P RCEL ID 46A128B � � satEw � TDP� � / FRED ALLEN 2" 3" No. 5 CHR PHER CAR WASH PARCEL ID 249B234 AGGREGATE �AR ID 249A100 - �i M % SILT SAND Z DEB R A H L Z N D❑ `� DiTcH E�nr SAND --- -- p �PAR EL ID 24 A041 S "° ,"" STONE � �CRUSHED PROCESS r ONE TAILINGS AREA �` I 6 MIN l P-ACCFS ONDS JE F RIY GREER GREER i- YT ytttE I- I- � P RC L D 249B2 L ID 249B2 3 --- ELMER AL MAN IE ALLEN J❑NES ,` 772 � I - --I- N PARCEL I 249A 40 _ PARCEL ID 249B399 �` - �� � '63 FOREBAY +,6,REcovE BA Y WAGON -- _________ Q -D :�D PARC ID 24 2 3 --- r- WIL M E JR _ -- Y �n RANDY C A SHA E L T 24 A03 \ IQ i -LI P L 2 \ I RI ARD ELLY v - c- �� J❑SEPH KELLER PAR L ID 2 9B245 Floodpinln-763 BFE PARCEL ID 249B001 `��- I � co 0 I - �� Mlll creek 44.6 AC ` I --_ -_- , RECYCLE AREA-WOOD CHIPPER Q - 1/ 1� , �� : THERESA LUDWICK � ,, ��, � �� � M LA ❑VERCA MINE PIT (EXCAVATI❑N & PROCESS) AREA / ARCEL ID 249B220 =� PA EL ID 2498 BARRY WAGONER \ BUFFER AREA CALVERT 1 _ PARCEL ID 249B002 S I 1 A 249B 2 REMY M❑RRIS ► 1 V ARCEL ID 249B478 L RESERVES AREA 0. OD / / o �\� ; J❑SEP C O PARCE ��� `, ��>+ U o HAUL ROAD > o E HAUL ROAD ENTRANCE Z NLL / SC❑ R PRICE ® W III I I I� 08 / ID 249B452 J 0 C "'o Z N 0(_ 0 IIID -mLI _- 0 � u �°cis PERMIT ACREAGE TT P E TABLE PA CEL ID 249B4 0 � � I � MINE Original Proposed Change Total I RUSSE AREA CATEGORY Affected Acreage Affected Acreage Affected Acreage L � � � � I � I � � i \ v D PA� I 2 0 J❑S H KELLE %l TAILINGS/SEDIMENT PONDS 0.00 0.00 0.00 �\� \� / I / �,• (N-CARP ''o, M CEL ID 24 B035 Included in 22.2 Q•, Essi LiJ � \ STOCK PILES 0.00 0.00 0.00 SEAL Included in 22.2* - 13961� Q O / i / n w�NGINEEPQi � PROCESS AREAS 0.00 0.00 0.00 '• v E �` 0 Included in 22.2* \� \ ❑ 1 � O HAUL ROADS 2.25 0.00 2.25 g _ oa \ I °'u 3. W m*I MINE EXCAVATION* 22.20 0.00 22.20 �= �\ T� \� KELL R MINING I MINE FACILITIES 0.75 0.00 0.75 0 6b'Z NCD❑T BORROW PIT O t1 I - OTHER-RECYCLE 1.97 0.00 1.97 ;a= U tz - I LJ 9 \ TOTAL AFFECTED ACREAGE 27.17 0.00 27.17 /' �;w \ I \\ o I RESERVES 13.40 0.00 13.40 � � JO �°W \\ \\\ o ^ \ O I I I I PIEDM❑NT BAPTIST URC BUFFERS 27.7 27.7 U S 0 0.00 0 � Q m a PARCEL ID 249B461 am; \ \ J❑SE H KELLER = z �" o �- PERMITTED ACREAGE 68.27 0.00 68.27 � - Z PARCE ID 249B316 ❑ (� Z j at � c€o \\ o a ►L Mll IN EN �A WALTER RUS' SELL FAClu Iir__ \ _ C) \ "'ARCEL ID 249BO30 MH. 0 o 0 � a o I w O F GRAPHIC SCALE - J oo \\ I v a o -- o g. \�� �� ❑I ARC G AN w E CEL ID 249B4 J❑S H KELLER IN xo El PAR L ID 249B 75 1 inch FEET 200 ft. Zia F» JOB NUMBER SHEET NUMBER � o 220703.440 C 200 � o C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.44OKellerMining\Mine Permit Application\dwg\AmendedKeller-MiningWrightRd-Model.dwg ' DARYNNE RHIN HARE PARCEL ID 24 408 JESSICA M CHECK DAM ❑ ❑ PARCEL ID 46 0 A 1.5' min \ �m9i n \ Filter Ifabric H ❑ US ❑ N HEF- NER � or B PARCE ID 246 409 A Erosion ons 1 Con Stone 12" Washed Stone 1.min Filter 24" max fabric � at center Section A-A Construction Specifications Maintenance 1. Place stone to the lines and dimensions Inspect check dams and channels for damage shown in the plan on filter fabric foundation. after each runoff event and repair immediately. Clean out sediment, straw, limbs, or other debris 2. Keep the center stone section at least 9 that could clog the channel when needed. \\ inches below natural ground level where the dam abuts the channel banks. Anticipate submergence and deposition above the \ \\ \ check dam and erosion from high flows around / / \ 3. Extend stone at least 1.5 ft. beyond the the edges of the dam. Correct all damage / \ ditch banks (figure 6.38b) to keep overflow immediately. If significant erosion occurs between water from undercutting the dam as it dams, install a protective riprap liner in that / 0 C H R S T P H E R C A R E Y re-enters the channel portion of the channel (Practice 6.31, Riprap � P A R C �. I D 2 4 6 418 spacing Lined and Paved Channels) / � 4. Set s acin between dams to assure that CU M the elevation at the to of the lower dam is p Remove sediment accumulated behind dams as Z the some as the toe elevation of the upper needed to prevent damage to channel O dam• vegetation, allow the channel to drain through I the stone check dam, and prevent large flows ~ 5. Protect the channel downstream from the from carrying sediment over the dam. Add IL lowest check dam, considering that water will stones to dams as needed to maintain design - - / \ flow over and around the dam (Practice 6.41, height and cross section. (� Outlet Stabilization Structure) U) 6. Make sure that the channel reach above the L I most upstream dam is stable. DANIE ENER i LAB P C E L I D 2 330 C E L I D 4 9 B 413 \ 7. Ensure that channel appurtenances, such as i culvert entrances below check dams, are not � subject to damage or blockage from displaced LACIE KEENS \ I stones. w00 - PARCEL ID 249B4 ~Q `Y'o CD z � Ri U/ / LEGEND U Nr `�\ MINE PERMIT BOUNDRY 784 - - - - WATERSHED BOUNDARY LLJ III I I I� N 0 V �o U n C 00 Z Cq 5-FT WIRE MESH FENCE C BUFFER PERMIT LIMITS a Lo O'2 L0 TOP S❑IL S TO C K P E �\ /� III D Om L-,q L- b� /'R\ DIVERSION DITCH 0� V�Uf �y E C Y GL E / I I- J � I � 776 PROPOSED PIT CONTOUR wooD o � AAA / MINE PIT RE f CHIPS p� ) i� SDA- 22.2 A ES , I 790- EXISTING CONTOUR SWS=9,8 AC / II /� RIP RAP OUTLET PROT. ®S-2 DA=6,7 AC / _ - SILT FENCE �o`°Q.�� ss R0LLJ ,,���'. M I T❑P S E R E D SEAL _ \ SCREW �\ ' � CHECK DAM 13963 Q O SWS=15,0 AC WASH , _ PARCE , o \ O HANNEL SWS D =11.2 AC = ,6 AC SILT Iny RASSED DITCH �� \1 SAND 0 DA=4.3 c 1 SAND PERMIT ACREAGE cRq =" - SSeD DIr N ET TABLE 70 cHANNEL CRU HED PROCESS W mtg s - STO E MINE Original Proposed Change Total Z � RISER D o 9 p 9 TAILINGS AREA \ I �\ AREA CATEGORY Affected Acreage Affected Acreage Affected Acreage ` WIF, A CL BB\_> NILLWNcv P- S�^d ON D S I TAILINGS/SEDIMENT PONDS 0.00 0.00 0.00 t E� 5 ESH FENCE- SS \ - o.s �y CH N CHANN `j Included in 22.2* (, Z oaZ \ M i` 7642 IN T GRASSED DITC CHANNEL INLET , I 'rB u r�r y H GRASSED DITCH J LIJ °moo 7-� STOCK PILES 0.00 0.00 0.00 = a I E A L L E N J❑N E S S - RLUN ES-771 - Included in 22.2 N ° POOL F y INV-767 C;d0 J ^ gy PARCEL ID 249B399 \ 765 N�-7662 sE SAND B� Q < PROCESS AREAS 0.00 0.00 0.00 � 0 T❑ =77z,s II s� IN FOREBAY _ BARR + 767 RECOVERS r✓ Included in 22.2* =rm �B SR 24-IN / P Q s LF HAUL ROADS 2.25 0.00 2.25 Q = Z - T a n I(D Z -- 2,0 v d - SIC MINE EXCAVATION* 22.20 0.00 22.20 Q v' Q"�A BAFFLE-2' I o`0 0 \ ✓ CHECK DAM MINE FACILITIES 0.75 0.00 0.75 Y�o OTHER-RECYCLE 1.97 0.00 1.97 O W moo_ �r �� J❑SEPH KELLER v TOTAL AFFECTED ACREAGE 27.17 0.00 27.17 - a i F(00cdplain-763 BFE PARCEL ID 2 4 9 B 0 01 Ln Z 0-- 44,6 AC Mill Creek RESERVES 13.40 0.00 13.40 Q .o >> =Zv BUFFERS 27.70 0.00 27.70 W O a�v PERMITTED ACREAGE 68.27 0.001 68.27 m v o `vow LIJ ao THERESA LUDWICK ---� GRAPHIC SCALE � € ARCEL ID 249B220g I JOB NUMBER SHEET NUMBER ff IN FEET ) 220703.440 C-205 / BARRY WAC 1 inch = 100 ft. I C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.440KellerMining\Mine Permit Application\dwg\Am endedKeller-Min ingWrightRd-Model.dwg . f ' ' I ' ' I i ' � I ' ' I i ' I i , 6' max extra strength fabric without wire fence; 8' max standard strength fabric with wire fence Backfill and compact min 8" Steel Post thick layer of soil or gravel Bury Post 24" � Steel Posts Plastic or,— �� Filter Fabric Wire Ties ire Fence I I — a• Filter Fabric _I I I'i II I III= I I=1 Wire \ 24" Ell Extension of fabric and wire into the trench i � , I I Materials _ 1. Use a synthetic filter fabric of at least 95% by weight of polyolefins or polyester, which is certified by the manufacturer or supplier as \ / conforming to the requirements in ASTM D 6461, which is shown in the NCDENR ESCPDM. Synthetic filter fabric should contain ultraviolet v� \ \�\ ray inhibitors and stabilizers to provide a � ) `N \ minimum of 6 months of expected usable n: �J �� \ construction life at a temperature range of 0 to 78,4 2. Ensure that posts are 1.33 lb/linear ft steel / with a minimum length of 5'. Make sure that / steel posts have projections to facilitate fastening ' the fabric. 3. For reinforcement of standard strength filter �\ U fabric, use wire fence with a minimum 14 gauge CLI M ' \ I and a maximum mesh spacing of 6 inches. Z I Construction Specifications — Q Q I- 1. Construct the sediment barrier of standard I strength or extra strength synthetic filter fabrics. H H ' \ U 2. Ensure that the height of the sediment fence does 24 ve ground surface.t(H(Higher fences cmeaya impound volumesolum s of W water sufficient to cause failure of the structure.) 3. Construct the filter fabric from a continuous I roll cut to the length of the bonier to avoid M \ joints. When joints are necessary, securely fasten U \ minimum nimilum overlap lapnly at a to the next ort post.stpost with 4 feet � Co SDA — �g Q 0 4. Support standard strength filter fabric by wire o Imesh fastened securely to the upslope side of — 7 8 A C the posts. Extend the wire mesh support to the S\N S bottom of the trench. Fasten the wire j \ reinforcement, then fabric on the upslope side of the fence post. Wire or plastic zip ties should ®S—2 �\ I D A- A C have minimum 50 pound tensile strength. 5. When a wire mesh support fence is used, space posts a maximum of 8 feet apart. Support posts should be driven securely into the ground a V minimum of 24 inches. C" 'T 6. Extra strength filter fabric with 6 feet post p spacing does not require wire mesh support fence. >, 0 Securely fasten the filter fabric directly to posts. 0 S W S-15 A C , Wire or plastic zip ties should have minimum 50 L 6 pound tensile strength. Z N— _ LL _ III III —11 A C 7. Excavate a trench approximately 4 inches wide W � V 0 HANN S W S— 6 A C and 8 inches deep along the proposed line of J a posts and upsiope from the barrier. c) RASSED DITCH 7L0 _ y ` 8. Place 12 inches of the fabric along the bottom a C ^ Q D A-4,3 C 1 and side of the trench. III CD m p C O � L'J GR 774 9. Backfill the trench with soil placed over the co 00 ASSE filter fabric and compact. Thorough compaction of O E O R D DIT ET the backfill is critical to silt fence performance. 770 Cy CHANNEL 1 \ Tf \ 10. Do not attach filter fabric to existing trees. 5 — SEDIMENT FENCE INSTALLATION USING THE SLICING METHOD— Instead of excavating a trench, placing RISER fabric and then backfilling trench, sediment fence a��• C \ may he installed using specially designed O o equipment that inserts the fabric into a cut sliced in the ground with a disc „�A,.,,,.,,% \ -7 Cof S 7or � rapl r z M N c Y — `� \ /1 C Into S q I —41 ILLW 11. USE BAFFLE FENCE INSTALLATION METHOD SAME ,�`'Q�o---— 0 N 5_FT �JIRE C�S`S BA df AS SILT FENCE INSTALL METHOD. .'2; 9t y W \ NCE � IN T INLET - SEAL _ � ME FE / ' T 0,5 �y CH N GRASSED CHANNEL C N MESH I \ 13961� 0 \ 764.25 DITCH \ GRASSED DITCH ' 0 edG/"4 /� NINE_EQ'O�Ci Installation Specifications N L , IN < 7 E S—7 7 P 1 F INS/-767 1. The base of both end posts should he at least _ one foot higher than the middle of the fence. INV-76 2 6—IN SAND Check with a level if necessary. m _ o "765 ISE \ 36—IN F 0 R E B A Y o RECOVER \ /� 2. Install posts 4 feet apart in critical areas and LLJ Jr g T❑ =7 5 I R n _ BARR +i767 'i i 6 feet apart on standard applications. J Z oz —� 24 IN 3. Install posts 2 feet deep on the downstream U o 5 LF / /— side of the silt fence, and as close as possible to — = the fabric, enabling posts to support the fabric U E� D — / from upstream water pressure. U Z a0Z T 2,5 a. \ = 71 2 4. Install posts with the nipples facing away from Li _J a \ SIL the silt fabric. a o� Q BAFFLE-2' / 5. Attach the fabric to each post with three ties, _J o a C H E C DAM Coi es or Similar B A E L E—2 Note: g W apled or Trench — all spaced within the top 8 inches of the fabric. J �g Into Bottom or Side Stapled Mesh or Similar Attach each tie diagonally 45 degrees through the Ifl a V Stapled or Trenched REFER TO SHEETS C 205 FOR CHECK DAM DETAILS AN fabric, with each puncture at least 1 inch ® Into Bottom or Side vertically apart. Also, each tie should be Q C-501 FOR POND DETAILS, DITCH SECTIONS, OUTLET PIP positioned to hang on a post nipple when `Q Z PROTECTION, INLET FLOW CHANNELS. EMERGENCY tightened to prevent sagging. z Way SPILLWAY DETAILS, AND SIPHON. z" 6. Wrap approximately 6 inches of fabric around000 Q E. the end posts and secure with 3 ties. U o U �ra 7. No more than 24 inches of a 36 inch fabric is mow F t o o d p t Q i n- 7 6 3 T�f allowed above ground level, _ O W„ Df1. 68. — 8. The installation should be checked and (� Mi l C r e e k corrected for any deviations before compaction. 10 m `smv 9. Compaction is vitally important for effective Z results. Compact the soil immediately next to the Q E_� silt fence fabric with the front wheel of the ® tractor, skid steer, or roller exerting at least 60 �� pounds per square inch. Compact the upstream w O side first, and then each side twice for a total of o _J 1211:� W m.2 4 trips. J e S° GRAPHIC SCALE Li OUw O a� rnr W 0 P U z Y'a _ I `✓ IN FEET 1 inch = 60 ft. JOB NUMBER SHEET NUMBER 220703.440 C-300 C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.440KellerMining\Mine Permit Application\dwg\AmendedKeller—MiningWrightRd—Model.dwg Seeding No. 7M for: Gentle to Steep Slopes, Stony, Dry Soils; Low Maintenance. CHRIST❑PHER CAREY TRUSTEE Seeding Mixture Species O Species: Rate (lb/acre): PARCEL ID 246 418 Black locust 3 Korean lespedeza 10 Weeping lovegross 2 Redtop 1 Winter rye (grain) 15 �P Seeding dates: O Feb 15 — Apr 1 Fall seeding is impractical, the heavier rate of rye and fertilizer required to control ration over D A N I E L H E E N E R L A C I E K E E N E winter would result in excessive competition with PARCEL ID 246 330 PARCEL ID 249B413 the tree seedlings. Soil ammendments: L A C I E K E E N E Apply lime and fertilizer accoring to soil tests 0 PARCEL I D 2 4 9 B 4 3 3 or apply 2000 /blare ground acricultural lime— PARCEL and 1000 Ib acre 5-10-10 fertilizer. Mulch: Apply 4000-5000 lb/acre grain straw or equivalent cover of another suitable material. Stabilize mulch by tacking with asphalt, roving, or netting. Netting is the preferred method on steep slopes. \ Maintenance: F Refertilize only if cover is too weak. Restrict amounts Lj of fertilizer and seed to minimize competition with �Q tree seedlings. Z � LjCD Seedbed Preparation o C J Apply lime and fertilizer evenly and incorporate into the top 4-6 inches of soil by disking or other suit— H able means. Operate machinery on the contour. tp 784 When using a hydroseeder, apply lime and fertilizer U to a rough, loose surface. N b bj ^Q� Roughen surfaces according to Practice 6.03, Surface 0 FG Roughening. Complete seedbed preparation by breaking up large 't F clods and raking into a smooth, uniform surface �CU (U (slopes less than J. 1). Fill in or level depressions that Lj JO )8 can collect water. Broadcast seed into a freshly loos— 00 ened seedbed that has not been sealed by rainfall. Q 0 0 0 SDA=2 �80 <v ®S-2 7)8 Temporary Seeding Recommendations for Summer. �J E R E D A L L E N Seeding Mixture Species d d o a PARCEL ID 249B234 Species: Rate (lb/acre): C5 00 776 German millet 40 C In the piedmont and mountains, a small stemmed c�U O Sudangross may be substituted at a rate of 50 J i O E Ib/acre. D ap•— Seeding dotes: LLI I I I I I lad N O Mountains — May 15 — Aug 15 J 00 C Piedmont — May 1 — Aug 15 U m0 Z Coastal Plain — Apr 15 — Aug 15 EN W 1 L COX�� J Soil ammendments: 0 0 O(p Follow recommendations of soil tests or apply 2000 III C m i I Ib/acre ground agricultural limestone and 750 lblac CO 00 �eSS PAR 10-10-10 fertilizer. 0 IL V Mulch: Apply 4000 Ib/acre straw. Anchor straw by tacking RAMIE A L L E N J❑N E S ''� with asphalt, netting, or a mulch anchoring tool. A disk with blades set nearly straight can be used as PARCEL ID 249B399 BARRY WAGON a mulch anchoring too/. PARCEL ID 249 233 Maintenance: Refertilize if growth is not fully adequate. Reseed, ,A �,,, refertilize and mulch immediately following erosion ,,"0--(N,�AR0 " or other damage. O¢�oFEss�oN,�j IM y= L,J N SEAL 11 = i— \ LI" F1396w Q \ Temporary Seeding Recommendations for Fall. G 0 �p I'll , R` y EP J❑SEPH K E L L E R Seeding Mixture Species ,uu "'� Species: Rate (lb/acre): FloodplQin-763 BFE PARCEL ID 2 4 9 B 0 01 Rye (grain) 120 �� Mill Creek 4 4,6 AC Z`o a Seeding Dates: �w•a Mountains — Aug 15 — Dec 15 € g Coastal Plain and Piedmont — Aug 15 — Dec 30 w W � '�' Soil amendments: a U 5 M. Follow soil tests or apply 2000 lb/acre ground t" agricultural limestone and 1000 lb/acre 10-10-10 THERESA LUDWICK fertilizer. U Z i oa Off^ �— Mulch: w A R C E L ID 2 4 9 B 2 2 0 Apply 4000 lb/acre straw. Anchor straw by tacking a o= with asphalt, netting, or a mulch anchoring tool. A — 6 g� disk with blades set nearly straight can be used as 8d Q J 1$A a mulch anchoring tool. Q 12:� o w=€ 1 Z =Tv BARRY WAGONER Maintenance: 1 Repair and refertilize damaged areas immediately. aw oft PARCEL ID 2 4 9 B 0 0 2 Topdress with 50 /b/acre of nitrogen in March. if = z ��� it is necessary to extend temporary cover beyond (� (� Z o Z�_ June 15, over seed with 50 /b/acre Kobe (Piedmont — o and Coastal Plain) or Korean lespedeza (Mountains) <€g in late February or early March. CD 3: g$ JEREMY M❑RRIS Z `"' PARCEL ID 249B478 zoo 9W w.m_ Z U 1 o 00 J 20— W�o T, J❑SEPH KELLER Z U mm� PARCEL ID 249 231 Q Erz J liz w o may Pa J � m c u0. r$ J oo� afr (n GRAPHIC SCALE E_ oVc T SC❑TT R PRICE d 0.° oWa PARCEL ID 249B452 v IN FEET ) 1 inch = 100 ft. JOB NUMBER SHEET NUMBER 220703.440 C-400 C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.44OKellerMining\Mine Permit Application\dwg\AmendedKeller—MiningWrightRd—Model.dwg Construction Specifications 8.lnlets--Discharge water into the basin in a manner to prevent erosion. Use temporary slope SEDIMENT & TAILINGS BASIN SECTIONAL VIEW 1.Clear, grub and strip the area under the drains or diversions with outlet protection to embankment of all vegetation and root mat. divert sediment-laden water to the upper end of Remove all surface soil containing high amounts the pool area to improve basin trap efficiency of organic matter and stockpile or dispose of it properly. Haul all objectionable material to the 9.Erosion control--Construct the structure so designated disposal area. Place temporary that the disturbed area is minimized. Divert 8' MINIMUM I� BASIN LENGTH-PER PLAN VIEW I STORIv1WATER �I sediment control measures below basin as needed. surface water away from bare areas. Complete RUNOFF the embankment before the area is cleared. TOP OF EMBANKMENT "A' _ _ _ III-III-III-1 I III-1 I I=1 I I- 2.Ensure that fill material for the embankment is Stabilize the emergency spillway embankment and _ 11=III=: EMERGENCY SPILLWAY "B" 1=III=III=III=I free of roots, woody vegetation, organic matter, all other disturbed areas above the crest of the I=III=II 1 TRASH RACK » >> and other objectionable material. Place the fill in principal spillway immediate) after construction. (SEE DETAIL) _ =11-III-11=11- 25-YR WATER SURFACE ELEVATION C ^i' =LII SAFETY FENCE J p p p y y 1 1s I IIIII - I-,I =I= -IIIIII= (�ASN PERIMETER)NECESSARY) lifts not to exceed 9 inches and machine ISER CREST "D" _ 111- ' III- compact it. Over fill the embankment 6 inches to 10.Install porous baffles as specified in Practice 2 EARTHEN DAM allow for settlement.The dam embankments shall 6.65 Porous Baffles II III III- I-I I 2-IN PVC SKIMMER be compacted to a minimum of 9090 maximum (SEE _ I _ PRIN]DETAIL) DETAIL) proctor. 11.After all the sediment producing areas have II I- SPIL been permanently stabilized, remove the structure ICI ANTI-SEEP COLLAR -III D I- 3.Shape the basin to the specified dimensions. and all the unstable sediment. Smooth the area II IIII (SEE Prevent the skimming device from settling into to blend with the adjoin areas and stabilizethe mud by excavating a shallow pit under the properly. SLOPE 2-3% PLUNGE POOL-OUTLET PROTECTIO�'11 - -_ OR skimmer or providing a low support under the _— ———————— —I RIP-RAP STABILIZATION —— BARREL __ BASIN BOTTOM-PER PLAN 1 skimmer Of stone Or timber. Maintenance (SEE DETAIL) ——1= I=III=III=III=III=III=11r I I=II I=I II=I II=I II=III=III=III-III=III=III=III=III=III=III=111=1 1=III=111=III= _ _ _ =11' _III.-.;. _ 4.Place the barrel (typically 4-inch schedule 40 Inspect barrels and skimmer sediment basins at least weekly -1 I 'I-I _ '- "-'''- -~' III=11I=III=III=I I=III =11 I-I I I=I I I-I I I-I I I=I I 1=I I1= I I-1 I I-I I I-I I I-�' PVC pipe) on a firm, smooth foundation of and after each significant (one-half inch or 1=III=11 1�1-" impervious soil. Do not use pervious material such greater) rainfall event and repair immediately. RISER ANTI-FLOATATION 'I BASIN BOTTOM SLOPE (0.5% MIN.) as sand, gravel, or crushed stone as backfill around the pipe. Place the fill material around the Remove sediment and restore the basin to its (6'x6'x1 ')-Concrete pipe spillway in four inch layers and compact it original dimensions when sediment accumulates to under and around the pipe to at least the some one-half the height of the first baffle. Pull the density as the adjacent embankment. Care must skimmer to one side so that the sediment be taken not to raise the pipe from the firm underneath it can be excavated. Excavate the contact with its foundation when compacting sediment from the entire basin, not just around under the pipe haunches. Place a minimum depth INLET DITCH DETAIL 2-holes/E l of two feet of compacted backfill over the pipe the skimmer or the first cell. Make sure p pp vegetation growing in the bottom of the basin EMERGENCY SPILLWAY DETAIL spillway before crossing it with construction RIP-RAP, 11-INCH THICK, D50=6-IN 0 PI—I equipment. In no case should the pipe conduit be does not hold down the skimmer. installed by cutting a trench through the dam Repair the baffles if they are damaged. NON-WOVEN GEOTEXTILE FABRIC RISER after the embankment is complete. �.T 2 4, 2 / 3 3 R R❑U N D-H D P E Re-anchor the baffles if water is flowing 5.Assemble the skimmer following the underneath or around them. -III- 1 1 1= 8' I-I manufacturer's instructions, or as designed. If the barrels and/or skimmer are clogged with I —I I 6.Lay the assembled skimmer on the bottom of trash or sediment, wash out barrels and orifices. -III—III-i RIP-RAP, 11-INCH THICK, D50=6-IN -I I 1- 1 I —I I II � I the basin with the flexible joint at the inlet of with high pressure water hose to maintain a full I M I I=I I II1- the barrel pipe. Attach the flexible joint to the flow. I I I—I I I—I I—� I I- _ _ _ _ _ _ I I—I I- I —I I—III—I I —� I- rd M barrel pipe and position the skimmer and anchor I�—I I I—I I M I I—I I I—���—I I I—���—���—���—���—I I I—I I -I I I—I I I—I I I—i I I- _ _ _ _ _ _ I I—I I I= Z it to the side of the basin. This will be used to III-III—III=III=III=III=III=III=III=III=III=III- I —i I I—III—III—I I —� i—i —� �_� �_� �_� �=III=�I o p Check the fabric lined spillway for damage and -I I I1�III I I=I I M I I=I I I=I I I=I I I=I I I=I I I=I I I i d I I:,I I M I I=I I MI I M I MI I M I M I MI I M I MI I I- pull the skimmer to the side for maintenance. '— I I — make any required repairs with fabric that spans _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 7.Earthen spillways--Install the spillway in the full width of the spillway. Check the I I I I I I—I I I I I I I I I I I I I I I I I I-1 I I I I I I I I I I I I I I I I I I I I I I I I I I—I I I I I undisturbed soilto the greatest extent possible. embankment, spillways, and outlet for erosion -III—III—III—III=1 I I=1 I I=1I I=1 ' I I I— — I l- 9 -'IVI I I I IVI I I I IVI I I I IVI I I I IVI I I I IVI I I I IVI I I I IVI I''I INSTALL SKIMMER INTO ORIFICE BARREL � The achievement of planned elevations, grade, damage, and inspect the embankment for piping HDPE U design width, and entrance and exit channel and settlement. Make all necessary repairs slopes are critical to the successful operation of immediately. Remove all trash and other debris W the spillway. The spillway should be lined with from the skimmer and pool areas. NON-WOVEN FABRIC Q laminated plastic impermeable geotextile fabric. The fabric must be wide and long enough to Freezing weather can result in ice forming in the corner the bottom and sides and extend onto the basin. Some special precautions should be taken top of the dam for anchoring in a trench. The in the winter to prevent the skimmer form edges may be secured with eight inch staples or with ice. d50 - median stone diameter U pins. The fabric must be long enough to extend plugging D - DPth of n ra down the slope and exit onto stable ground. The e Wco width of the fabric must be one piece not joined Dmax Maximums one diameter SEDIMENT&TAILINGS BASIN DESIGN TABLE F- M or spliced, otherwise water can get under the 0 0 0, fabric. If the length of the fabric is insufficient for the entire length of the spillway, multiple sections, spanning the complete width may be used. The upper sections should overlap the lower sections so that water cannot flow under the BASIN VOLUME BASIN SURFACE AREA fabric. Secure the upper edge and sides of the fabric in a trench with staples or pins. SEDIMENT VOLUME AREA AREA CLEAN TOTAL SKIMMER DRAINAGE DENUDED AREA 25 YEAR Q VOLUME REQ'D PROV'D REQ'D PROVIDED OUT STORAGE BASIN WEIR DEPTH TOP DAM SKIMMER ORIFICE DIA. BASIN AREA (ac) (ac) (cfs) (ft^3) (ft^3) (ft^2) (ft^2) DEPTH II DEPTH (ft) DEPTH II WEIR WIDTH (ft) (FT.) WIDTH (FT.) PIPE DIA. (IN.) (IN.) pCID Q10 oJm TO F5 P-1 9,80 6.70 37 10050 12197 13,068 17860 1.00 2,00 5,50 N/A 0.00 8.00 0 0 Z J Ni P-2 5,60 4,30 52 7740 7840 18,295 19602 1.00 2.50 6,00 N/A 0,00 8.00 0 0 '�' V V� c c 0,g?� P-3 15,00 11,20 94 20160 22651 32,670 41382 1.00 5.50 10,00 N/A 0,00 8.00 4 1 rNdl a CIO o.2� III A `"' Total 30,40 22,20 37950 42688 D-F o0 2 l7 OLON d(o) NON-WOVEN GEOTEXTILE FABRIC SPILLWAY DETAILS D L(a) Filter Blanket 07 SLOPE �N CA Ro WATER ENTRY UNIT �`0 of SSlpti.�j'�,, M d WITH TRASH SCREEN GENERAL NOTES: 0 Ile 9,, -, (4 3 1, DISCHARGE DESIGN MUST BE COMPLETED TO MINIMIZE PIPING AROUND e_ 'Q , W PDISCHARGE PIPE, SEALD 1 2, PROPER ❑RIFICE ❑PENING MUST BE SELECTED TO ENSURE POND DRAINS IN _ '- ,� _ 1 CORRECT AMOUNT OF TIME, MODIFICATIONS MAY BE REQUIRED IF FIELD 13963 < 0 Section AA CONDITIONS WARRANT A CHANGE, 7 3, EMBANKMENT MUST BE COMPACTED TO DESIGN SPECIFICATIONS, 7 / 0' ORIFICE OPENING INSIDE 4 PROEMETECTION INSTALLED GENCY SPILLWAY UST BE CORRECTLY SIZED AND EROSION r/" PO<Ii,�O' Q Construction Specifications 770.0 7 6 8,5 = RISER EL THE HORIZONTAL TUBE WITH 5, EROSION PROTECTION MUST BE INSTALLED ALONG THE EMBANKMENT AND AT ���a L M„� � 6. Riprap may be field stone or rough quarry RISER EL RE= RISER EL _ A CONSTANT HYDRAULIC THE DISCHARGE END OF THE PIPE. - HEAD 6, INSPECT SYSTEM REGULARLY TO ENSURE IT IS FUNCTIONING IN A CORRECT stone. It should be hard, angular, highly _ __ 1. Ensure that the subgrade for the filter and RISER HEIGHT MANNER. riprap follows the required lines and grades shown weather-resistant and well graded. _ 3,0-F t F?H= RISER HEIGHT 7, EIGHT SIZES OF SKIMMERS ARE AVAILABLE, REFER TO THE FLOW SHEET, �B RISER HEIGHT 3 6 I n CUT SHEET, AND INSTRUCTIONS ON WEB SITE FOR EACH SIZE. L;LJ in the pian. Compact any fill required in the RISER DIM 7. Construct the apron on zero grade with no subgrade to the density of the surrounding 3 6 I n SCHEDULE 40 PVC PIPE a� undisturbed material. Low areas in the subgrade overfill at the end. Make the top of the riprap at = RISER DIM 3 6-I n � = RISER DIM 24-In (BARREL OR ARM) EARTHEN EMBANKMENT m m g the downstream end level with the receiving area cl= BARREL DIAMETER on undisturbed soil may also be filled by 2 4 I n EMERGENCY SPILLWAY MAXIMUM HEIGHT OF HDPE RISER v =� increasing the riprap thickness. or slightly below it. cl= BARREL DIAMETER 2 4-I n el= BARREL DIAMETER (MAJOR STORM EVENT) r� RISER DETAILS FLEXIBLE o o E 8. Ensure that the apron is properly aligned with HOSE U 2. The riprap and gravel filter must conform to preferably RISER DETAILS 764.0 FLOAT e the specified grading limits shown on the plans. the receivingstream and referabl straight RISER DETAILS throughout its length. If a curve is needed to fit PH= PERF EL _ L,J C) V W site conditions, place it in the upper section of P PERF EL 7 6 9,0 PH= PERF EL �/ ;aZ 3. Filter cloth, when used, must meet design H= 0 7 5-i n / =1�1=1� PPE VENT z 9L� requirements and be properly protected from the apron. Ph= PERF DIAMETER \ holes) punching or tearing during installation. Repair any P PERF DIAMETER In Ph= PERF DIAMETER T❑P VIEW 11 FLOAT am damage by removing the riprap and placing 9• Immediately after construction. stabilize all h _ 766.0 1 FLEXIBLE HOSE MUST BE (� ao p g (2 h o l e s) P -_ PERF EL 7 6 7 H 5 P PERF ELPVC VENT THE WATER QUALITY SECURELY FASTENED T❑ another piece of filter cloth over the damned disturbed areas with vegetation (Practices 6.10, o PIPE I J Q " area. All connecting joints should overlap so the Temporary Seeding, and 6.11, Permanent Seeding). PH= PERF EL H P 0.7 5-I n (2 holes) DISCHARGE OPENING O ;��€ top layer is above the downstream layer a 1-I n I-i= PERF DIAMETER Q < minimum of 1 foot. If the damage is extensive, Maintenance PI-I= PERF DIAMETER Ph= PERF DIAMETER 768,0 - OUTLET PIPE — _ Q ® replace the entire filter cloth. I P = PERF ELm Inspect riprap outlet structures weekly and after P PERF EL (2 holes) H I - z 4. Riprap may be placed by equipment, but take significant (1/2 inch or greater) rainfall events to PH= PERF EL H 0.7 5-i n (2 holes) — FLEXIBLE Z o 0 care to avoid damaging the filter. see if any erosion around or below the riprap has PI-'= PERF DIAMETER - HOSE 1,4 X DEPTH � z taken place, or if stones have been dislodged. P PI-�= PERF DIAMETER j HE ❑VERFL❑W Q g€e 5. The minimum thickness of the riprap should be Immediate) make all needed repairs to I ,= PERF DIAMETER p p y p o = TOP OF DAM 1� NIMUM LENGTH APPLIE Y �° 1.5 times the maximum stone diameter. prevent further damage. 772,5 A = TOP OF DAM 7 7 1.2 I ,o = TOP OF DAM771,0 WATER ENTRY UNIT I SCHEDULE 40 PVC aL o g =SPILLWAYI PIPE (BARREL OR O m€w g =SPILLWAY 771,0 B =SPILLWAY 7 6 9,5 = _ _-11_ _ _ _ ARM) END I Z C) J �5_ Pipe Depth NCDOT 7 71,1 C = WATER EL 7702 C = WATER EL 771.1 VIEW S(D❑ SCALE) MAINTAIN DEPRESSION TO MINIMIZE CHANCE OF if w`� C = WATER EL 2-In SKIMMER BECOMING STUCK 10 DRAWN BY T. R. EVANS z �l Q Z. 0 Outlet Diarn (in) 0 (cfs) (Ft) W2 (Do+La) L(a) d50 d(max) T H Rip Rap D = SIPHON J. W. FAIRCLOTH & SON INC. .ts D = SIPHON None D = SIPHON None FAIRCL❑TH SKIMMER ODISCHARGE SYSTEM WITH OUTLET WWW.FAIRCLOTHSKIMMER.COM 3: Em _ TELEPHONE- (919) 732-1244 "z m P-1 24 25 2,8 11' 12' 6-in 9-in (in) (in) Class n STRUCTURE FAX (919) 732-1266 None �= ORIFICE DIAMETER EMAIL- WARREN@FAIRCLOTHSKIMMER.COM O W`$ P-2 24 30 3,9 16' 18' 6-in 9-in N/A N/A B �-,= ORIFICE DIAMETER None �= ORIFICE DIAMETER 764.0 0 cH= ORFICE ELL.L1 P-3 24 30 2.5 10, 11' 6-in 9-in None ORFICE EL None o ems= ORFICE EL et€ v v 0 d- `LJ o V � y FU g uO Z`Jv JOB NUMBER SHEET NUMBER 220703.440 C-501 C:\Users\Jerry Meade\OneDrive\Documents\PROJECTS\220703.44OKellerMining\Mine Permit Application\dwg\AmendedKeller-MiningWrightRd-Model.dwg