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Home My WebLink About20210315-MapsDA-1 TO CULVERTS 3300 I DA-3 I 3300 3200 3200 3100 3100 3000 3000 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00 Haul Road Profile SCALE: 1" = 100' TIE TO EXISTING HAUL ROAD GRADE EXISTING GRADE PROPOSED HAUL ROAD GRADE TIE TO EXISTING HAUL ROAD GRADE 12.00% 2-36 IN. CMPS +2.61% PROPOSED DIVERSION NO. 2 GRADE PROPOSED DIVERSION NO. 1 GRADE 2-36 IN. CMPS 3160 CIO3160 U BERM PROPOSED HAUL ROAD GRADE 2 ft. Culvert Design DA-1 Culvert and DA-3 Final Culvert To Pit CHART 2 180 10,000 168 8,000 EXAMPLE 156T 6,000 D - 36 inches (3.0 feet) 144 5,000 Q = 66 cfs 4,000 132 U 3,000 HW * HW W D (feet) 120 Q � 2,000 (1) 1.8 5.4 tL (2) 2.1 6.3 108 J (3) 2.2 6.6 96 1,000 • D in feet U 800 84 600 Q=55.28 CFS (DA-1) U) 500 Q=67.25 CFS (DA-3) to 400 = 72 U U LL 300 U Z ? � 200 / 0 so LU EXAM Of 54 LU LU W 100 48 U 8 U U 0 42 50 HW SCALE ENTRANCE G_ 40 D TYPE F-------- ..:'� Hea va uJ 30 (1) s (2) 6 6 (3) 5 6 5 4 3 4 3 3 2 2 2 0 1.5 x U 1.5 1.5 w w Q Z Q 33 (2) Mitered to W Q 0.8 0.8 30 (3) Projecting U O 27 10 p 8 Q 24 6 5 21 4 3 8 2 5 1.0 12 BUREAU OF PUBLIC ROADS JAN. 1963 w = 0.7 0.7 To use scale (2) or (3) project horizontally to scale (1), then use straight inclined line through D and Q scales, or reverse as illustrated. 1.0 I.0 * 3.0' = 3.0' FWD 0.9 0.7 0.6 - 0.5 HEADWATER DEPTH FOR C.M. PIPE CULVERTS WITH INLET CONTROL FOR Q =67.25 CFS, USE 2-36 INCH CMP WITH 3.0' HWD OR EQUIVALENT. PROVIDE MIN. 1.5 FT. COVER. Diversion No. 1 Minimum Slope SEDCAD 4.0 ......,., rta0a.rnln CamW I C�Fu,eF Diversion No. 1 (Min. Slope Section) Material: Rinrap Triangular Channel Left Right Freeboard Freeboard Freeboard Sideslope Sideslope Slope (%) Mult. x Ratio Ratio Depth (ft) % of Depth (VxD) 2.0:1 PADER Method - Steep Slope Design w/o Freeboard w/ Freeboard Design Discharge: 67.25 cfs Depth: 2.26 ft Top Width: 9.06 ft Velocity: 6.56 fps X-Section Area: 10.25 sq ft Hydraulic Radius: 1.012 ft Froude Number: 1.09 Manning's n: 0.0370 Dmin: 3.00 In D50: 6.00 In Dmax: 9.00 in 2.00 ft. Channel Design (Non -Erodible) Channel Type: Triangular, Equal Side Slopes Dimensions: Left Side Slope 2.00:1 Right Side Slope 2.00:1 Wetted Perimeter: 8.94 Area of Wetted Cross Section: 8.00 Channel Slope: 2.6000 Manning's n of Channel: 0.0370 Discharge: 48.09 cfs Depth of Flow: 2.00 feet Velocity: 6.01 fps Channel Lining: 6 in. Rock Rip Rap (D50) Diversion No. 1 Maximum Slope SEDCAD 4.0 �..•.,,. ...... n, n I CeA•.,el. Diversion No. 1 (Max Slope Section) Material: Riprap Triangular Channel Left Right Freeboard Freeboard Freeboard Sideslope Sidedope Slope (%) Mult. x Ratio Ratio Depth (ft) % of Depth (VxD) 2.0:1 2.0:1 12.0 SEDCAD 4.0 r��.d„I„+oev_vmno,mela I c.e.��. PADER Method - Steep Slope Design w/o Freeboard w/ Freeboard Design Discharge: 67.25 cfs Depth: 1.90 ft Top Width: 7.62 ft Velocity: 9.27 fps X-Section Area: 7.25 sq ft Hydraulic Radius: 0.852 ft Froude Number: 1.68 Manning's n: 0.0500 Dmin: 5.00 in D50: 9.00 in Dmax: 12.00 in Diversion No. 2 Material: Riprao Triangular Channel �7.62 ft.� 1.91 ft. Channel Design (Non -Erodible) Channel Type: Triangular, Equal Side Slopes Dimensions: Left Side Slope 2.00:1 Right Side Slope 2.00:1 Wetted Perimeter: 8.52 Area of Wetted Cross Section: 7.27 Channel Slope: 12.0000 Manning's n of Channel: 0.0500 Discharge: 67.25 cfs Depth of Flow: 1.91 feet Velocity: 9.26 fps Channel Lining: 9 in. Rock Rip Rap (D50) Diversion No. 2 Left Right Freeboard Freeboard Freeboard Sideslope Sideslope Slope (%) Mult. x Ratio Ratio Depth (ft) % of Depth (VxD) 2.0:1 2.0:1 12.0 PADER Method - Steep Slope Design w/o Freeboard w/ Freeboard Design Discharge: 55.28 cfs Depth: 1.74 ft Top Width: 6.97 ft Velocity: 9.11 fps X-Section Area: 6.07 sq ft Hydraulic Radius: 0.779 ft Froude Number: 1.72 Manning's n: 0.0480 Dmin: 5.00 in D50: 9.00 In Dmax: 12.00 in �6.97 ft. 1� 2_ � 1.74ft. Channel Design (Non -Erodible) Channel Type: Triangular, Equal Side Slopes Dimensions: Left Side Slope 2.00:1 Right Side Slope 2.00:1 Wetted Perimeter: 7.80 Area of Wetted Cross Section: 6.08 Channel Slope: 12.0000 Manning's n of Channel: 0.0480 Discharge: 55.28 cfs Depth of Flow: 1.74 feet Velocity: 9.09 fps Channel Lining: 9 in. Rock Rip Rap (D50) 3dD A Outlet Protection - Energy Dissipator Culvert - Diversion No. 1 Pipe Outlet to Flat Area - No Well-defined Channel �•(:.- ;:1?;lr - I 2; La II °:` IIII id _ ll IiIIIp Section AA Filter blanket Figure 6.41c Riprap outlet protection (modified from Va Swce). Notes 1. La is the length of the riprap apron. 2. d =1.5 times the maximum stone diameter but not less than 6". 3. In a well-defined channel ex- tend the apron up the channel banks to an elevation of 6" above the maximum tailwater depth orto the top of the bank, whichever is less. 4. A filter blanket or filter fabric should be installed between the riprap and soil foundation. I hereby certify that this document was CAR'/i '�� prepared ared b me or under m direct personal `�� • ' • •�� •FESS/p •.7�'�: supervision and is correct to the best of my :�y0� knowledge and belief and that I am a duly _ SEAL r licensed Professional Engineer under the = 033.311 = laws of the State oIn a olina. �,��•;°iyGl_N��e~' �!isT//V S Qqo, `I\" (Signature) Date: March 10, 2021 /111!16!W`� co ■tttttttt� CD 4-1 cc 0 Z :3 Q o 0 c) d A A A �l U Q Z J J � Z � O Q OC U Q 0 Q Z O 0 o 1 Z z 2 0 co � U w ZT T W (n 0 OE U ~ Uj 0- J W U) J Cc J_ w w LL U 0- 0 0- SHEET NUMBER 20F3 Spruce Pine Quarry AT THE TIME THAT AN ACTIVE FACE BECOMES A DEAD WALL, INFORMATION Vegetation PlanWILL BE SUPPLIED IN SUPPORT OF THE DETERMINATION OF FINAL SLOPES FOR UNCONSOLIDATED MATERIAL. LIME - RATE OF APPLICATION (tons/acre): 2000 lbs/acre or as per soil test recommendations SAFETY BENCHES FERTILIZER - ANALYSIS AND RATE OF APPLICATION (pounds/acre): 4- 20' TYP. 20' TYP, 1000 lbs/acre 8-8-8 or 10-10-10 or as per soil test recommendations SEED - TYPE(S) AND RATE(S) OF APPLICATION INCLUDING 8 1 Po TYP, YEAR-ROUND SEEDING SCHEDULE (pounds/acre): 80' TYP. Seeding Dates: Seeding Types: Seeding Rates: February 15 -April 1 Korean Lespedeza 10 Fescue 40 30' TYP, Redtop 1 Winter Rye (grain) 15 April 1 - July 31 Common Bermuda 50 August 1- October 25 Lespedeza (unscarified) 30 German Millet 40 80' TYP. October 26 - February 15 Rye (grain -temporary) 120 30' TYP. MULCH - TYPE AND RATE OF APPLICATION (pounds/acre) AND METHOD OF ANCHORING: Small grain straw at a rate of 2000 Ibs/acre and tack with paper OTHER VEGETATIVE COVERS - TYPE (S) AND RATE (S) OF APPLICATION INCLUDING SEEDING SCHEDULE (pounds/acre): Spring/Summer May 1 - Sept. 15 Fall/Winter Sept. 15 - April 30 Brown Millet 20 Ibs/acre Rye Grain 120 lbs/acre Rye Grain 1201bs/acre Fescue 201bs/acre TYPICAL PIT CROSS SECTION Fescue 20 lbs/acre Ladino Clover 5 lbs/acre Add one of the following to the above mixture: Crown Vetch5 Ibs/acre Ladino Clover 5 lbs/acre Alfalfa 5lbs/acre TYPICAL FENCE LOCATION SAFETY BENCH TYPICAL BOULDER OR BERM LOCA IENBARRIER GROU T 3 STRANDS OF 4 PT. - - BARBED WIRE 2 - 20' TYPE{ � 5' D I A. / QUARRY TO BE WOOD POST / m FILLED WITH WATER / N 8-12' TYP _y 1 30, TYP / � *y 'e� z TYPICAL BARBED WIRE FENCE DETAIL EXISTING PERMIT AREA ADJACENT PROPERTY LINES HORIZONTAL CONTROL POINT OH VERTICAL CONTROL POINT V O EXISTING INDEX CONTOUR 3500 �— EXISTING INTERMEDIATE CONTOUR �- SPOT ELEVATION + 751.6 WATER PAVED ROAD DIRT ROAD BUILDING LOCATED OBJECT FENCE TREES PIPE POLE �. 0 TOWER NON -EXCAVATE BUFFER ULTIMATE PIT LIMIT PLANT and STOCKPILE AREA OVERBURDEN STORAGE AREA SILT FENCE LOCATION -X-X-X-X-X-X-X- DIVERSION DITCH DRAINAGE AREA TYPICAL RECLAMATION PIT CROSS SECTION BERM TO BE CONSTRUCTED OF EARTH OR BOULDERS TEMPORARY HIGHWALL BERM RECLAMATION MAP NOTES: u ;938.2 1. THE PURPOSE OF THIS MAP IS TO SHOW THE AREAS PERMITTED UNDER THE EXISTING MINING PERMIT AND RECLAMATION PLANS. 2. HIGHWALL BARRIERS (BARBED WIRE FENCE, BOULDER BARRIERS, OR EARTHEN BERMS) SHALL BE PROVIDED AT THE TOP OF ALL HIGHWALLS. 3. STRUCTURES WITH NO APPROPRIATE USE WILL BE REMOVED DURING FINAL RECLAMATION. I hereby certify that this document was CAROI� prepared by me or under my direct personal is to the best \�7' supervision and correct of my `gyp o �tSS/p••'i,�,, RQy. knowledge and belief and that I am aduly - �'• licensed Professional Engineer under the ;aSEAL = 033.311 = laws of the State of No th Carolina. (Signature) s Date: arch 10, 2021 �,�1 is 111��`` N Al 2$% 28�S S 2925 V all. 00 P Rel FLOW PROPOSED HAUL ROAD RO P DIVERSION NO. 1 (see details Sheet 2 of 3) aa % ; CROSS SECTION STA. 6+00 (see �details Sh/eet 2 of 3) SILT FENCE (see detail sheet 3 of 3) 3225 ,S�yO� o C7 31� 5 3150 ass 3125 � r t5� a ., F 3p5 0 = - G �O 2-36" CMP Culverts r Temporary - N ,j 4" TYPICAL SILT FENCE FENCE 0 IM 32:! 3250 3225 IMF �w OUTLET PROTECTION ENERGY DISSIPATOR (see details Sheet 2 of 3) _ Jf `7 A M. 2-36" CMP Culverts - Temporary `�'�`•-ems _ .� �341 O r 111111111 ri ftl WWI = MN Exxx VS 3400 OVERBURDEN DISPOSAL HAULROAD 3400 3200 EXISTING C ROUND OVER BURDEN DISPOSAL AREA'A' LOY� 2 3200 3000 APPROXIMATE CONS TRUCTION, MAIN AS PE SEDIMEN ENANCE, and REC R ATTACHED SPECIFICATION F BASIN 003 LAMATION 3000 POOL ELE +/- 3035.0 2800 AVE GE DEPTH 160' 2800 2600 SECTION A - A' Sc LE 1„=200� 2600 0+00 2+00 4+00 6+00 8+00 10+00 12+00 14+00 16+00 18+00 20+00 22+00 0 x � o 0 C7 A U ui W Q Z 0 z 0 OTC U Q Q U 2 D ILL 0 C) Z Z 0 0 z 0- CM 2 W Q Z T LLJ J w w 2 0- U F____ SHEET NUMBER I 30F3