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Home My WebLink About20200504_ESC_MapsSpencers Incorporated of Mount Airy NC LRI3107597 ParcellD: 1335-79-2272 r \ /.5 1jt �' aT h I � 5 r Eden Quarry- Mine Overview DENR Permit #79-07 Spencers Incorporated of Mount Airy NC LR14106132 Parcel ID: 1335-79-3656 a :r n � e, e K!d` I1 «l Eden Quarr; L � ..� W '. „ � b _ est I s 1 rn 1r 4 r + «_ + „ v' N p e Y a. s r r a r 1 de F / rr / r -L d A r r r L M k� Spencers Incorporated of Mount Airy NC LR14106132 Parcel ID: 1335-79-3656 George Hairston Jr Patricia Hairston Bk 1114 Pg 200 Samuel W. Franklin W421111 Parcel ID: 1346-60-0398 ' r� Pitts Ivania Count VI IT Y Y RGINIA "�� 7 W_� y, S • a F , ' <. Rocking ham C ,, � y NORT AR xi, . AA ,.<:. :. 4 d`k'i:,.: '$sL ::;,v e.-:r n M; ., :,' d J �m•Y - '-, 4!. > d. :[. • , mr k , Caroline Franklin Holliday .<. .:• , _ < f ♦ ,,:. 4 ",, , _..: - 9 ;..?. - ,. , i :.. } rra .>,,, 6'� ! , 3 `:'•c ,.. PIN 801100055527 �....... iC IkN i �" a ie ,..,Invent e..( n.5.;., �'`. :r , ;as1 t � i a ... ..a'. 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Sir �. ... �*�'„ A - 9., j G _ "; 41 a :r: ;- •+. �%, <«:'/ '3 I�"'"o�� 5'`," y�i •°":W1 _,G a r' d ,9pori ,..\ _ !',:I. *�,a ?w4siAw �y_ sx ,qq . ., :, >. - ' a..., n. • -:._ ` . ��'� -": �'. b °�' ate' w. -L',d'.^�+`P ., ,i' 5. - - , e + y' r yy '3'i 1 :.., , i E) p'15 .. 0 fv -_. :.. J -k\ � C Y I l� F V 1 6 1 a *� r O "Y f tls I N f ' Ira -.>, , T. do-.'. )•, �{ - encer's Incorporated of 4 Mount Airy F ` v _. .e ,:.:, ' ,e i SO F+ •�. --,.s Bk 1511 P >ti r ,1 I v . 'gyp PlatbookBPage 3 � `'cce S� r •,; 'f.,.p `fie ,a .r%; - �� A %� � t ... , a 0 r ,.. PIN 800100243662 3 ,.,,.:_ -». : ... ... e s 7 x. a x Y P t •®e xq.r's4 t1i[lon [0 1 Pa P^ `?i 7B :,.. 0♦ ... P ,,n P'.J.yo. . yo ai n ' 'A�< a�L, ;'\• \�C`�� :� �., k\\�k �_ j�:,:�. ra�;•�;. s'y,\� , ..r, 's, PIP, 82Pis iN 588 >t .« i .Rx""t' rc i ,Z•Jq :S• .. ®' , n„'1 Pd z0 a° 0C` (ip0'l .g A *;' a Ze e A i, •X • 1 ,/'t..-. ?- o• J j :., .�- `a. �� :\• x 'L ?' �_'• r ,,. n.��_ " r , �. ^ -, a e env � .. '*�'!. m'• : ��(� a `- - 00 '�, n 4 a� M: � �='. iq � {t `� _ _ _ ., .:b o A �. Lab °,._ r.'-.* ..... :ti ¢;... 7"'- '`_ �i �Lt �:s Y a^i 4�\��4,,•T �l "m !, a�'� �*�� `- � a Te•z r._ •IF"`f X a I pt t Q 1 m, a �v,�''�a 1 �__y�c�_ m k�•e ai >� ,w `'4'.. 0. `°ere.. �" Y�. nb0 - ♦ , ♦ ', �'r"_.e aP i4: � � L �z.c •�"s!} el evo,r. y1f. 3y i `Me=; .1 °. yi{c 5 y :�• 'dt: �„`�. � `,, '`f4 Ja r wL 1 1 't° 7 = maims � ' ��>r1 5 - '� ♦ r(j� 47� & � �'+. �A 'p �. 13 • .' �,y:,=� , � 6 V ',�a°a a, 1" ��:��: �O � "Ja M `°Iwb °i � � �j ,�• \h.4 �� ..�- (P •,!*' .Xi°is "« "��R ^p 535 e1 ALLTECH INC :� xe i•a = y,,,$ + ��C�b s m ;ice` . ; 6 30 •.y! Bk 1400 Pg 1562 WX<ryw��, �. - 4 ti£.��1 - _. 't _,%', ,♦4, ee. PIN 800100345108 P„-i�9r��+iS/iijA� -t• :.. i,1. I .Ink ^Sit : h % _ W m r 6 -"'`S p .: • z '°�3 _ �� Ba ¢{ M1,. +k'` ,. _ a • :..,. tivt' �r�it t` ,�F. zz , n r fll "JerN tel V.Iilson54C ' r ¢ ," r eb a 1 98 " , �� O 1138 PB 2158 :..k 1 >n , v '' �I pIN g0p10p24 Ir' ? & ,+ "' i>+?, :j, .tl• r,,; 9 - n 1 e PeocetsdofF b {s l axe f a • •. Inco P pt AIrY 5 ------ <, t {� ., ,' a* , ! ` H S Nolen Genera �" k 824actors `"•''A " „ M 461 P6203$61 f P bposed New _ �m . x t•''� `asF' :•# B Pg 864 yJ` Bk1 0023 ' _ Permit e�undar Bk „': " r X PIN 800100432E97 1 v j PIN B� Gated Ent, Al ance 4 2�` `.. PIN 800100331736 L +I Te s + #. , , s , with Rock Barricadepolio�Yp �a ,, .`: •Md• �i s . r;C` 4q ,�'„" a :'r r P" "' �, "�. �y may. }} } .m k• :. � a ,i�sP. .-� 3z+,.'" � � �, r ` q� Sl /Vf%/ �., 1 , ::,, " •^5ya„ i `� a , ..4 " �I. "ae iau "fit. _t '�.�.., �,,/ ,i y n .. .�°3 3-< r as P o-'`�.t • ' r'.: " 'del '1` 11g �' wr �.... a � ��t -gear :B �e • •.•x § .. �r �? a&",� r, , « ''d °♦._'[. s *4""1c" _4"/ ,>,.ma,. r - -'.. aaft MINE PERMIT LEGEND ACREAGE TABLE ---- EXISTING LIMITS OF DISTURBANCE -------- NEW MINE LIMITS OF DISTURBANCE ......... PREVIOUS MINING EXTENTS - - - - PROPOSED MINING EXTENTS ® EXISTING OVERBURDEN AREA ® PROPOSED OVERBURDEN AREA PROPOSED HAUL ROAD Q EXISTING MINE ROADS F7 EXISTING STATE ROADS ® 100 YEAR FLOOD PLAIN 3,70fts This map represents a composite of details, features and site data provided by Ararat Rocks Products, with additional information obtained from the Rockingham County CIS web -site, NCOneMap.com and 2-foot contours generated from LiDAR data obtained from sdd.nc.gov/sdd web -site. Topographic information for the area added to Permit #79-07 derived from a field survey by Bowman -Bunn PC conducted on 7 April 2020, showing 1' contours in area of 'new permit. 0 100 200 400 600 800 GRAPHIC SCALE IN FEET 1 inch = 200 feet East Properties LLC Bk 1299 Pg 404 DATE PROJECT NO. A200308 DRAWN BY R. GALYEAN CHECKED I=EBUNN SHECT 1 OF 5 �f e 3 v°� O 'a� Car Holliday 521 "i s .: =�lai � - e' ' �� I 7•w� k F,°� , '�[_�.. • ' t'i�""�,.".. er, °'`r ,s �.. �, t �,q ., $.. x�'^ � X �y4ta !, /� a :n ,� m.�'fI •"', a a ' w' r� C ♦ Al., as s; ♦,•♦ � e r I Sao , e•� „� •r ,�a�.*. �/� 'L A. J \+ A b d I � h , 4 .+ems �+� , -a si{��„\ e,:: x i•� �� try , p a I g 1 L ' ►�� II , J g �a •w!'k,- �. r+'s',s,;�''-' - { '' ,*'�`, a tkr t'�v, �i -,v' • i�,a.tp,, DON ♦v: •il � p` Qom.• en rot O•.yr,'�"'t'=�• r III �? Il .., yoga C �.. [ •. .� ` ". ry�1@'I+, ttia0 • r . o pi` x2iy J. y AIM r s V`'"oot„ .r...' �. -1i`6'"•e ai�'i':f` -,�5- a�`e, 'a`>,'13e"r •s,y<� A$;:. ta ,,; ♦ IAA„ :��'. <X•♦ q ,.r�r {a e h e I QX, e. s f / .a a •a O, of , ' , : 0 /:; ►$"' r,. . ,..omo. o. yj z ,.i '. ,�x : "t's yY.'•f, '. 3i 6�,d,y;., ,_. P. y . , s>'.Y r ka '$ a. T III, t a, �!"a�� .- r� . , q - w 11�171 .::. .. :f.� �• ,.,, - � -:, �;� �i�l o<:.. ,� aJ .?.'r.f, ,p aR' '.f{9, �•yce.11s i�1' , � c .��. 4% mi ' deep A �,�ii�i`ii�i� 28' typical HIGH WALL BARRICADE EARTHEN BERM Detail .. Scale DATE REVISION Cascade Creek Properties LLC Bk 1130 Pg 1455 2:1 RECEIVED 1" 0 A 2020 LAND QUALITY 55' Wal MINING PROGRAM 20' Bend 4% min toward site Compacted soil —1- a mi II 4�p��i��I� 1 a PERIMETER BERM Detail Vo Scale Pit MAY 0 4 2020 LAND QUALITY MINING PROGRAM III Barl tail MINE EXCAVATION BENCHES Detail - No Scale exp maxim[ of ex BOWMAN-BUNN, P.C. b CIVIL ENGINEERING/SURVEYING 152 NORTH MAIN STREET MOUNT AIRY, NORTH CAROLINA 27030 PH. — 336-789-6610 Email — civil20bunnengineering.com Firm # C-1599 Erosion Control Measure Maintenance o- ., all measures Inspect the measure SKIMMER SEDIMENT BASIN. Removesediment and rector the basin - �" GENERAL MAINTENANCE. Apply to Pe e b s to its ' STRAW WATTLES(COMPOST SOCK). inspect socks weekly and after each - ,: : weekly and after every 1/2 or greater rainfall event and promptly make original dimensions when rt accumulates to one-half the height of the first. significant rainfall event(1/2' or greater). Remove accumulated sediment function of the measure, uaffle. Pu imm e b II the skimmer to one side so that the sediment underneath can be sa necessary to restore the fuand debris. The wattles/sockmust be replaced rf clogged or torn. If pending .. excavated. Excavate the sediment from the entire basin not us[ the 1 bet rt Dines excessive, the wattle sock may need to replaced with a' CONSTRUCTION: ENTRANCE: Maintain the ravel ad in condition to skimmer or the first cell. Make sure vegetation growing in the bottom of the / Y e p` Ib P g g g different measure. The wattle/sock must be reinstalledrf it becomes / - a / .prevent mud sediment from leaving theconstruction site. This may basin does not hold down the skimmer. P and measure is nolon longer neededrecycle ermined or dislodged. Once the e g \ :: ✓ top - dressing stone.. I o require periodic dressn with Immediately remove all Repair the baffles if the are damaged. Re anchor the baffles d water is G P P g. P Y g any organic media and disperse on site and recycle the mesh sock unless it is objectionable spilled, washed tracked onto ublicroadwa s. flowing underneath or around 1 P.. P Y g ah n them. biodegradable, if so the sock can remammplace. 'P� If the skimmer is clogged with trash and there is water in the basin, usually - \,r � 7 "SEDIMENT FENCE. Should the fobs the fence collapse, tear; decompose Jerking the rope make the skimmer bob u and down to dislodge the .barns after each 6 9 P P r SEDIMENT BASIN ROCK DAM. Check sediment d rrom tl .Remove sediment or ineffective replace rt deposits � P Y debris and restore the flow. If this does not work u t o P 4 P II he skimmer over to 60 / J , P rainfall: Remove sediment andrestore original volume when sediment 2/ s - - necessary to provide adequate storage volume for the next. rain and to the side of the basin and remove debris. Also check inside the orifice toone-half •+o 'n; / -. accumulates to about the:desgn volume. Sediment should be reduce pressure on the fence.Take care not to undermine the fence during see if it is clogged, if so remove the debris. laced above the basin and adequately stabilized. _ materialsa tl _ P q. i Y F -� o the clean out. Remove all fencing n unstable sediment deposits If the skimmer arm or barrel pipe is clogged, the orifice can be removed and Checkthe structure for erosion, piping; and rockdisplacementweekly and '. :: %/ "?�. and being the area. u to rode and stabilize it after the contributing drainage the obstruction cleared with a. lumbers snake or b flushing with water. Be NG ->� / .... P g P Y g after each significant (1/2 or greater) rainstorm and repair immediately. ♦. - tit/ - �. \ - _ area has been. properly. stabilized. - sure to replace the orifice before repositioning the skimmer. -the- (r,: NF . / P g .Remove the structure and. any unstable sediment immediately after A* R _ ♦' vatef'„ O/.(0 Check the fabric hand spolway for damage and make any ktherequired embankment, construction site. has been permanently stabilized. -Smooth the. basin site to • - \ - eat from the flow area and u i � � J, N om DIVERSION BERMS. Remove sedan repair the with fabric that the full width of the spillway. Check embankment, blend with the surrounding area and stabilize. All water sediment - - \ _ po u diversion ridge. Carefully check outlets and make timely repairs as needed. spillways and outlet for erosion damage, and inspect the embankment for should be removed from the basin prior to dam removal. Sediment should • ? c When the area protected is permanently stabalized; remove the ridge and piping and settlement. Make all necessary repairs immediately. all ♦' - -\ = m mo P P g rY P Y be placed in designated disposal areas and not: allowed to flow into streams - d� \ - u n o - the channel to blend with the natural ground level and appropriately trash and debris from the skimmer and pool areas. or drainage ways during structure. removal. ' ',•�., _ ��Py\ - � o o stabilized it. Freezing weather can result in ice forming in the basin. Some special • �, \°>rs \ -: m precautions should be taken in the winter to prevent the skimmer from °\ �P,o` ` a: m Z RIP -RAP OUTLET PROTECTION: Check for erosion around or below the riprap .plugging with ice_ - N.s%0 outlet or stones have been dislodged, immediately make any repairs to - - ♦''\ _ .prevent further: damage. � b,S\ ��ell Proposed Sediment Basin #1 - T `♦ \, `��4�\.\ :Top Dam = 535.5 EROSION CONTROL NOTES - ♦ \`..: .�\\; Emergency. Spillway Crest=533.5 ...Phase I Construction Sequence :::. \ Top Riser 31 - - P ♦ \ P 5 17. 1. Obtain all Permits and Approvals. � 1. 'AlPfillslo slopes over must v � .. .� d covered with erosion control mama Current DENR Mining �. :: e g � � 2,♦ - \ ��\� 8 Skimmerw/7.5:onficeopening P �. g 2:Afterreceivmgerosmn.controlplanapprovaltheownershallsubmd o ♦ .. ti -.. \ _ wttlun. seven (7) days of construction. Permit #79 07 a Bottom Basin = 529.0 : t , an electronic notice of anent form to the Land QualitySection,. Call ... ... ... .... _ _....� .. ._ , > .. '�.. \ _ -.�. 2. If measures shown on this Ian fail to control erosion, the owner is responsible for +. ...,,,., ' .,„a ,.; o„ ♦-y' -\- � -Bottom Riser r :, P � P Winston Salem RegionalOffice 336 .776-9800beforeany work . _ additional that.ma . ... ... -;, ,. _ r� ♦ "\ _ Drainage Area - 26.77 Acres es y be required. Contact the design engineer and the Winston . , _ o \e� \ g Bin begins.: o♦ \ . - - Regional Office at 33 776-9800 for assistance. ... � m !� � , \• . - i 5.10 10. r 24 hr � >� ( � e• - 3. Establish )Trusts of clearance for site construction.. ........ _ M1 .��. s. , \ Y to . . _.. a1 . . . r \� - -' C - 0.6 3. This tan only covets mass . . . . . . . . . . . . . >_ s '-� p y grading, storm drainage and erosion control: Any further -.4: Install Construction Entrance off of Mine Road as shown. .:. : �. ♦ \ Q CIA (0.60)(5.10)(26.7) • , ,- construction not covered by this plan will require plan approval for additional portions of work 5. install Sediment Fence as shown on this plan. Clear Just enough area \ �° . . . . . . . . •- \ Q=81.7 c.fs. Rational Method .. ... ... ( ) 4: Work on this protect must be started within three years of plan approval or the plan .for sediment fence construction. o _ .. , � ♦ '?'." \ " Req. Surface Area 435(81.7) 35,540 sf is fed . � � � ) expires: Once whstruchonbegins the protect is active until rt completed - SA 6.. Construct Sediment Basin #Y. i - �.. _ _ .■'� ;; m ^+ ` r- ♦ Temporary \ SA Provided 35,640 sf a. Clear enough space for basin construction. ITT -.. - 1 . . . . . . . . . . r ■!! 0 moo t `_. construction ♦-\ \\ Pond Size 162 x 220 x 2 @ top of Riser -- b. Install Riser Outlet structure per detail . , ... ... Volume Re 26.77 1800 48,186 cf .., Install Pi e A with protection and inlet protection around .. : ... ... ., ... Entrance .."_ <. q ( ) b, nsta P P \ "\ Vol. Proved - " .. CV - - � " ,. Provided 66,680 cf @Riser - .the existing 18 pipe under Mine Road. y o o --�E =:• \" 162,969 cf @ Spillway c. Grade Basin. .:m-ti'�., SEE INSET ON H -4 -: , <,.,., \ S SHEET FOR-0ETAI DETAILS -- d. Install baffles. ;�.. m=z Top. Elev. 538..... •fie. - _. . ❑ a �. a.\\ e..Install skimmer. h. Seed and mat Basin #1 Dam and slope. 7. Install Diversion berms ditches and straw wattles to direct run-off to �. S Diversion Berm •. '� - O \ `� � ` ^-. ..... � : newly constructed basin. to re -direct- 8. Seed all areas disturbed during installation of Erosion Control ditch ^�.... i g ♦ - - Measures existing �, w water : Exisnn 14 RCP :._,. 9. Clear and strip site to. bedrock as shown redirecting flow of B p g t _ internally back to the mine area.. Length 48 ,.. c '.... Y ,\ a Len h -56 S/ape = 3.15% .., , , -s? . _ 10. After reducing the drainage area to the mine excavation limits as ."/nv. /nS/o _ 71% -513.73 ,.. - shown stripping ppmg the soto the bedrock and pumping any pooling ..nv. _ Inv, Out 512.17 water back to the active mine the sediment basin may be replaced 'Undisturbed � ,. ,^�� with measure. Shown as Phase ll Sheet C-3 V. Out 13.75 ,. tha( ) i tom/ �. Area «., . •�, ^, a _ � '•--•� 11. Request an inspection from the local Erosion Control Official for Phase) v,. ,f s`e� \ •- -permission toremove the existing basin and ditches. 12. Move on to Phase Ifofthis .Erosion Control Plan once this sequence is Top Elev. 536 •_ "-- -� , - RebarGrate Existm Catch Basin finished See Sheet C-3.. 1 S \ w o o. ._ /: '• .� ..., f , - `. y -:.. Top - 53080 � Straw Wattle- o o p0,.` S ..... ee 4h/nv-513.74. ¢ •-r ro " = S`: , •, I / 35. • ., Y.,. o X This Area has been cut to b n :... i :h.. , $ 0 ,;,:� ♦-- ,,.T eel,. _ M m m bedrock and drainsinternalh to the current mine. a .\ y /"/• d Q Ca ;at 1 isturbed Area . \\, . p4 cU 1 1 \ i . - .,rc, e u Lac St.nSd :�/% /`�s C,r :� .. -_.,.. echo �, ;,� y`c �. p,,.�s;..., _ . •\ .. „�, t-y:>; D_ /. �} �\ � Olt � .r+ 5'' / s�-- .,u .. ✓•� `<:\. '° t I _ � p 1 it d«�`�>' ' , , , �, ,� ,.•- > ,• � = I I �-�,,, an e \ > v l!t ? O ,•' ¢urb oa \ LAN 0,UALITY O r fl NG PROGRAM ✓;•. a fie MINI r! 5r/,• a Bu .f ,, Straw Wattl= _ �"'-.• eW bAi : ufbe :. 'ry. / Once erosion controls are in place this / �e % N - n ist ,... , / (TYp•) f ® :.tee. 0 U m , .. / S , 5 art "t_- area well be cut down to bedrock and r e� rid , .r o/ "op E ev. 540 N it BOUT / will drain internal) or be pumped o !� i P tin QJ back to the current mine area, all I � material shall be taken to a designated -_ \ f - i� f / overburden stockpile area. s o \ _i Diversion Berm - o tiros J _ ., j ' .� to .Drainage Area. / ; .- , " �L;._ existing ditch '� « a o ' 9 ghr 6.77 Acres 1 .- a F Limits of 1 r o ITT xZ \ Erosion Control Specifications 1,166,100 Sq Ft - / m m �m� _ \ p ` A m r Disturbance. '1.: _ Top Elev. 542 1. Th r" a Contractor shall not begin work until an erosion control plan has been - _ Y ., 3 3 i o \\ approved by the Local Erosion and Sediment Control Official. 13.2 Acres v o - `~ c m In m 2. The Contractor shall allow local E & S Inspectors to have access to the site I a 575 000 Sq Ft \ -' d m o dr �- r 2' m '" °° at all times.am 3. Disturbingmore land than is shown on the plans may result in fines which ;,'= h ° i must be paid by the Contractor.. 4j ` ENO41, ' * �„ ✓ 'b d rf . K45 ;,; CD ,:,•.OA en 4. Permanent vegetative cover must be established by the Contractor in N d accordance with the seeding specifications shown on the plans before the I \ � j ---«"i ♦1010 �` q6 S Project is considered complete. Current DENR Mining \ �� d ♦ �. 1 ' Permit ', / \ Z _ i ,-�♦ - �, / ,. \ 5. The contractor is responsible for momtoringrequirements ofthe E.&S . >vatioop n ):its' t ,,. permit. \ Mine i♦ ` _- : " /35._,° 50 \ N e ; 10 �5 : , �QTr Pry I .•• O :) to logo Too go N00010 `,-, e •" •� - Owner/Mine Operator/Permitee: \ ` . , �S"c"'tsOfpi�' Spencers Incorporated of Mount Airy - o ^;'-. 0 Unri,•,, r PO Box 988 ,5. f ii \ ` o -. L.t, /Min ,.• offs / Nea. offsite 290 Quarry Road a n o m °o o .' 00 ♦ J, y, N.•,,,• Un Curbed 8 /� / octopi dPtructure Mount Airy, NC 27030 Slope 20' min o - ' " �. ,,, dis A to roosed 2:1 min. v c a ♦ 50 336 789 9111 office - m _ Z'.% : '� s - \ '�,••• NeW • oundarY ' excavation \ High Wall Barricade 4% min a -y +� � \` 5 �•-,,•+ New peft' / P°/ d S'R Record References: F'-i See Detail Compacted soil -i � j__ 4 top Book 1467 Page 2015 10' min go go to go \` �.•'' nt R� Book 1511 Page 2919 T 6' deep 101010 t LLC Site Address: 10� 10 ern �•••• -. • B 430 11661 NC Hwy 770 2:1 max. ��110101101010 perimeter / Bk 0005 , Eden, NC 27288 55' Wall Max. T 28'..typical Bo03. OTE: 336-635-0037 office ( Yp•) �� ExistingP / PIN HIGH WALL BARRICADE �f• The base map for this plan is a composite of details, EARTHEN BERM .. 20' Bench (Min. Typ.) � � • / /� . rid site data. provided by Ararat Rocks Products, with additional 230' Detail - No Scale formation obtained from the Rockingham County GIs website, EROSION CONTROL LEGEND expected ante _ tul/ - oR pisb . `rmaz _ Qua1N ed Buftel Nlest auafN 50 Und'lsturb rY �/ � - w- est ounda tB Perm .. Existing,,... COneMap.com and 2-foot contours generated from LiDAR data btained from sdd.nc. ov sdd website. T Ng / he Drainage Area shown 07E: ninon is shown with 1-foot contours and is the result of a field 1- The n rt urvey conducted by Bowman -Bunn PC on 7April2020. al area lying within the limits of disturbance as shown. hereon i_ 13.2 acres. The areas outside the proposed new permit area hay,. previously been stripped and prepared for mining under pravisio.s within the current mining permit #79-07. - U Z 100 200 1 300 400 Contour Interval = 2 Foot EC LOD LIMITS OF DISTURBANCE SEDIMENT FENCE -+ -y -► TEMP. DIVERSION BERM DRAINAGE AREA - 532 - -- -- EXISTING MINOR CONTOURS ----- --535 --- EXISTING MAJOR CONTOURS RIP -RAP OUTLET PROTECTION STRAW WATTLE Pit MINE EXCAVATION BENCHES Detail - No Scale maximum depth of excavation Compacted 4% min toward site � _- 20' top 1:b (min.) : --5-0 typical_ PERIMETERPERIMETER BERM Detail - No Scale 15' deep' min 0 ' U z - LLJ U' CD 0 o FIT /i1 z � E r- W o _ N U l Q W Z C J L i LEI � z ; WUO EE H C � z Z Of o O ' Ld r- r 0) r TO I >_ ___J fl� To O - O I H Zlh Z Z I- ca - NZ) E _ O= E �J _Mn W L.0 Z O C ti 0 CAi?QC/yam°'� /Y SSI% r C% ®e y �/�e~,• it ,®®� eee4 aag®®,dH. 9��aa�a Ld C-2 SHEET 2 of 5 LLU i z o } z a CD� Q W O co Erosion Control Measure Maintenance , P 7 r each ,neasures Inspect the measure SKIMMER SEDIMENT BASIN. Remove and restore the basin to Its STRAW P T SOCK): Inspect socks week) and after GENERAL MAINTENANCE. Apply to all p WATTLES(COM OS S ) p Y weekly.and after eve 1 2 or greatei rainfall event and promptly make original dimensions when it accumulates to one-half the height of the first significant rainfall event(1/2. or greater). Remove accumulated sediment 4 �s. le. Pull skimmer to one side so that the sediment underneath n a / necessary repairs to restore the function of the measure. ball u I the sk m e can be and debris. The wattles/sockmust be replaced if clogged or torn.. If pondmg \ use .. -exuavated. Excavate the sediment from not just become wattle/sock may needto'bere laced wrtha 1 becomes thewattle so 3 / Y P :... \ .. CONSTRUCTION ENTRANCE. Maintain the gravel pad in amndmon to skimmer or the first cell Make sure vegetation growing in the bottom of the different measure: The wattle sock must be reinstalled if it becomes " prevent mud or sediment from leaving construction site. This may barn does not hold down the skimmer. � � e needed recycle P g Y undermined or dislodged. Once measure Is no longer y require periodic top-dressingwith 2 stone:. Immediately. remove all Repair the baffles if they are damaged. Re -anchor the baffles if water is any organic media and disperse on site and recycle the mesh sock unless it is objectionable materials spelled, washed or tracked onto public roadways. flowing underneath or around them. biodegradable, if so the sock can remain in place. If the skimmer is clogged with trash and there is water in thebasin, usually O L/ _ .. SEDIMENT FENCE: Should the fabric of the fence collapse, tear, decompose jerking the rope will make the skimmer bob up and down to dislodge the SEDIMENT BASIN ROCK DAM. Checksedimentbasins after each P ,l d s d promptly. sediment deposits as / a or become ineffective, 're laced rom debris and restore the flow. df this does not work pull the skimmer over to dement- . p p p Y P , p rainfall. Remove and restore volume when se - ! , volume for the next. rain and necessary to provide adequate storage the side of the balm and remove the debris. Also check inside the orifice to accumulates to about one-half the design volume. Sediment should be- '• reduce pressure on the fence.Take-care not to undermine the fence during see if It Is clogged, if so remove the debris. - placed above the basin and adequately stabilized. : y� `• -'>. '� , - -`'-_ �_ � the clean -out. Remove altfencin materials unstable sediment If the skimmer arm or barrel pipe is clogged, the orifice can be removed and heck t erosion, piping, androckdisplacement week) and g P P gg C he structure for a os , P P g. P Y . i „ and bring the area up to grade and stabilize rt after the contributing drainage the obstruction cleared with a plumbers snake or by flushing with water. Be after each significant (1/2 or greater) rainstorm and repair immediately. - �-. - area has been properly stabilized. sure to replace the orifice before repositioning the skimmer. ..Remove the structure and any unstable sediment immediately after the .. Check the fabric hoed spillway for damage and make an required repairs basin sde to P. Y g Y o P -construction site been permanently stabilized. Smooth the �. DIVERSION BERMS. Remove sediment from theflow area and repair the with fabric that spans the full width of the spillway. Check the embankment, bind with h the surroundingarea and stabilize. All water and sediment P a diversion ridge. Carefully:check outlets timely repairs needed. spillways and outlet for erosion damage, and inspect embankment for removal. Sediment should gg , P should be removed from the basin prior to dam e - :- - \ z •, c - When the area protected is permanently stabalized, remove the ridge and piping and settlement. Make all necessary repairs immediately. Remove all _ be placed in designated disposal areas and not allowed to flow into streams the channel to blend with-thenatural ground level and appropriately trash and debris from the skimmer and pool areas. or drainage ways during structure removal. stabilized it.. - Freezing weather can result in ice forming in the basin. Some special \'> �� >\. - ¢ _.�, - :,precautions should be taken in the winter to prevent the skimmer from RIP -RAP OUTLET PROTECTION: Check for erosion around or below the riprap plugging with ice. - "�-�� outlet or if stones havebeen dislodged, immediately make any repairs to 41 - prevent further damage. EROSION CONTROL NOTES Proposed Sediment Basin ill Phase II ., :. P , -- Top Dam = 535.5 I. All fill slopes over 10'high must be seeded and covered with erosion control matting " - \ , � � :• Emergency Spillway Crest = 533.5 within seven (7) days of construction. Top Riser 531.0 2. - If measures shown on this Ian faze to control erosion, the owner is responsible for P P° „ „ :S Skimmer ? onficeopening / additional measures that may 4 be required. Contact the design and the Winston Salem - w\ _ Bottom Basin 0 529.,.., _ . _.. ... *:,:,.. I Regional at (336}776 9800 for assistance. Bottom Riser = 528.0 \ '. •\ _. `3 This plan only covers mass grading, storm drainage and erosion control Any farther Drainage Area = 9.6 Acres _. construction not covered by this plan will require plan approval for additional portions of work. m _" �\ i 5.1010 yr 24 hr I - . . :. . . ` : . . - ::. 4. Work on this project must be started within three years of plan approval or the Ian . ........ w.,,, _. _ _ _ expires. Once construction be the project s active until it is completed. .<.:.:..'.:.'.:.: ...:,. Q-CA-(0.60)(5.10)(9.6) I - p _ . xP St°s P J P ... .. TemporaryC:.. - 29.37 c.f.s. Rational Method . ..... .,. m M min ` m m s `, / 1Constructron r Re : Surface Area = 7 = 4 f , : o Z'ry m \ q u e e 325(29.3) 9.5 5s a ry Entrance = ....... ,: .�.. �. �. . . ......::, _ \�¢ m _ , SA Provided sf@531.0 ,. : ... ... 1-u c $ ,-\ -•-o ♦: � s ': Pond Size=?'x?'.x 2' to fRiser oo•_ / • . .. . "- o ,n o o 1<. ., � Volume Re . = 6.5 1800 = 11,700 cf - / e ( 1 _e . . '`�, m m m .� . ` � / ..... � � ...... •. Vol. Provided = 59,250 cf @Riser n.. _ �u,,.,,,�- \ ? cf Spillway \: _- SEE INSET ON SHEET C-4 FOR DETAILS ack to .\\\Eristmg24 RCP _ h This area drams`6 .the existing mine prior to : ^ -... \ = 48' beginning Phase II' / , l l �. \ Existmgl8 RCP Length '..: 8 g `•.. i t. r, `:,:, - "N Length = 56' Slope = 3.15% ' : = tnv. In=524.71 ` /nv. Out=511.17 I Inv. Out=513.75 rkoprvm Z..m " � • '"\ � 4 -'\ Exrstm Catch Basrn - - / g \Rebar Grate � o 7op =530,80 ice- o o Q) - o RECEIVM Phase II Construction Sequence a MAY 0 4 ppqO . Regional Office 3 776-9800 and inform them of 1. Call Winston Salem Regio 0 ce (3 6) - the beginning of Phase II Construction. 535 g g .._- .. e � - j. �__. - . ::. .� . � v a ��iD C:2.UA1..6 I 2. Install sediment fences around Overburden Area and where the toe of .:.'� - , a \f g - --- � : � =,a � . .. PNN%a.. - the new dam location well be as shown m Phase II. 4. -Modify Sediment Basin #1 by extending the dam to tee with original ,�. .: : ,g� ��9 ._ . ,. ♦ :. � .. , .� . S� .♦♦♦.ground as shown m Phase IL - . ` m ° `c ,•�,. S. Riser Catch Basin, Skimmer and Pipe "A" shall remain in place, skimmer 545 ��,:, ' ♦♦ " a orifice shall be changed to 5:5" orifices. 6. Re configure the baffles within Basin #1 to match Phase II plans. -. -. / ".:p6 , t to 0 `"`•_.� _ eo r .4 .:. a ° 7. Remove portions of Sediment Basin #1 s walls to allow run-off to enter the newly configured barn as shown. '.. / / : "'~`~,.,, i '".. +! ,✓ t �_ r � 3 ,__. ` _ .. S. ":Grade area above newly configured basin so as not to restrict runoff a 9. Seed and mulch the new basin and the disturbed areas outside the mine excavation limits. 10. Continue de �.e \.. yn o . � anng and stripping soil down to bedrock within the new mine excavation limits. ssi of D_ , " _ I / {/; / r ♦ �.!tt!!t` ffe'r <i, 11. Re -direct water internally through natural means or pump back to ' Mlne , rbed Bu ' m f \ Y g Y P _ P ��.•' Ne`"� ndist� Q � the active mine. �..,: .. 0 ;-, 12. Once stripping has reached the mine excavation limits and the areas 1 + j � ; � :' N t Bod around the Sediment Basin are established and stabilized, call local erosion control official for an inspection forpermission to removeerosion control measures. L/ s „- ,§/ ,, 4 `. � � 13. Once request for removal is approved, remove all temporary measures and grade area on a uniform slope to the existing 18".Pipe under Mine Road. DI(^IN/a(iE AREA o ,"'.i oo � I �. \� 14. Leave Inlet protection for the lS"pipe under Mine Road in place. LIMITS OF / DISTURBANCE 9.6 ACRES a v ' o 15. Seed and mulch all areasdisturbed bythis process. 6.5 ACRES - .., a � • � � � da`od Erosion Control Specifications 1. The Contractor shall not begin work until an erosion control plan has been approved by the Local Erosion and Sediment Control Official. " i ,' JjJj ' �, t , -�, I • -o - °-e' eo m o - 2. The Contractor shall allow local E & S Inspectors to have access to the site This area drains backto-,-!'�: P \ J o f h , 1 e m °p at all times. - ..the existing mine prior to tit Fence @ to 'beginning Phase II "edme Area sr� I 3. Disturbingmore land than is shown on the plans may result in fines which \ o I o{Stockpile ` y \ w ' _ •W ,; �=� must be paid by the Contractor. 4. Permanent vegetative cover must be established by the Contractor in .,. _�. ..._". - ', I •++ - d � i � -' ' �; ` ."-.;.+ �:-:-- 7 --'°•oo, accordance with the seeding specifications shown on the plans before the E j -go 0project is considered complete. 5. The contractor is monitoring responsible for g requirements of the E& S - - • rgo ,, tea. /� Permit. P g \ .x - `^r•_�.^' '�; \page : �• _ . \ •.` li` to --�,;.a' LP10 N 101111 go logo to ' -. .. i.0� ,_/i t \ re ,.'moo' :. Owner/Mine Operator/Permitee: 5 an / / Spencers Incorporated of Mount Airy o m v e y♦ of%b PO Box 988 _h a g A Dist '' r :' M e•��:�•�' er Nearestoffsi[e Quarry Road o ti Y o \ \ .-, N��.•"' ..bed.B ff / occupied Mount Airy, NC 27030 2:1 min. Sloe 20' min n ., oo �.. U� Ist i to proposed P m o \ d �� 43 P P 336-789-9111 office \ o om Z "'''.��..... \ „\ : "II'.��.•' Ne`"5�' e met.BoundaN Pa ��. �•�' ''1 excavation Record References., F'--I See 0 ta'ilBarricade Compacted soil -I4%-I F- 4 tOP. ♦� \ New (j Book' 1467 Page 2015 40' min 1010 \ ,� tRDa Book 1511 Page 2919 - T_ 6' deep \\ Ga;(1 ♦• \ ° •� C Site Address: ti • rrn so 11111111 go go go perimeter Be / ''�� 10 Existing solo to �' go 10 .istutb'poe O W auatN \.tm\ts °{ dis d Bujjer r est torne - 50, Or, - Vestauaccl mil B°undarY ':. Existing Per -. i - 43165 nt LI, Ede414?9wy 1 770 Bk1 p591 NOTE Eden,1661 55' Wan (Max. Typ.) 336-635-0037 28' typical PIN gpp100 office �� HIGH WALL BARRICADE " 1-"the base map for this plan is a composite of details, features 20' Bench (Min. Typ.) EARTHEN. BERM and site data rovided b Ararat Rocks Products with add -tonal �. 230' Detail - No Scale - P 7 v Z P y information obtainedfrom the Rockingham County GIS website, NCCneMap.com and 2-foot contours generated from LiDAR data obtained from sdd.nc.gov/sdd website. The Drainage Area shown hereon is shown with 1-foot contours and is the result of a field survey conducted by Bowman -Bunn PC on 7April 2020. 0 50 100 200 300 400 GRAPHIC SCALE IN FEET Contour Interval = 2 Foot EROSION CONTROL LEGEND EC LoD LIMITS OF DISTURBANCE SEDIMENT FENCE --► -► -�. TEMP. DIVERSION BERM DRAINAGE AREA - 532 ---- EXISTING MINOR CONTOURS ---"-535 ------ EXISTING MAJOR CONTOURS Pit Floor RIP -RAP OUTLET PROTECTION STRAW WATTLE MINE EXCAVATION BENCHES Detail - No Scale expected maximum depth of excavation Compacted 0 U z - LJ w 0 o M z r- m N o V Z W .0 0� z O Q L-1Up Z, �2(DC z Zo�� ' Z oo W < r- NCID rl- >iO 2�cD•o I a PO U O - Off{ I Z Z I = U N:D E N0 ° -Q .., Z cc U _I c -Qv Q 0 OCC cc 0 O z Z 0 O U U 6j W 00 W 4 Q W 7_ Wr^ cc Q CC Q Z O H W C O dR s . ♦ gAO� jc y IL C-3 SHEET 3 of 5 Ccl LU D N •.. : o I...ati�Llmlts Top Elev. 536 \ 540 .� �,,. . ' SON MUST CQ C . ♦��• Ne�M �3h \,' ' 1 T Y pQO �p� \\o T ` 00 �_ OJ\ G ` ��i\ • �•• / ' Undi Areasturbed - V Q �••_ " " Phase I J W < � D m Catch Basin #101 - +/ Proposed Sediment Basin #1 - Z n PHASE II NOTES: US Foundry 4120 Grate Freeboard - 1' min. _.535.5 skimmer orifice to 5.5" dia. .Top Grate = 531:0 '^ Top Dam = Spill Change s Emergency Spillway - ' Elev. 531.73 WQV 2yr 24 hr Inv Out 18' HDPE = 528.0 Top of Embankment Emergency Spillway Emer en S illwa Crest = 533.:5 ' Elev = 535.5 �. 'Top. Riser = 531.0 - Elev. 532.10 WQV 10yr 24.hr T° be used as Principle Spillway Crest = 533.5 ,♦1 _ ,_ - �- 8'-� o Straw Wattle ' 8" Skimmer w/ 7.5"orifice opening - a Bottom Basin = 529.0 534.19 WQV j_ , ;, -,= ; NCDOT Type II Geo-textile m (TYp-) �! \IrL - r under �t� ♦ � Bottom Riser = 528.0 BEFORE YOU DIG. 8" Skimmer Dewatering, 533.18 WQV 10 yr 24 hr _ - - Fabric Une 4 " orce - - 18" Class B R€ Ra - 35 Draina a Area = 26.77 Acres CONTACT IaNE-CM-L �ER _s Device with a 7.5 2yr 24 hr dalI1 1=1 I-1 �_� �-p P Diversion Berm .,--5 g /O.o Q. tore direct > i=SaO 10Yr24hr 1-800-632--4949 _� 0 SRO-I=1 ��_�� I LL-1 �_�- existing ditch yA C = 0.6 ��aCOIRMESH 3ti_ -=111=III-111=IL1=��- s/ ! Q=CiA=(0.60)(5.10)(26.7) + COIR MESH I �� sue • " "Stone Pad - _ _ - -111- `^ ;�OP ♦r; o� 4 °� = 81.7 c.f.s. Rational Method) 1 �{_ BAFFLES. BAFFLES -: Class B 1-1,� �1 � 1 (� 1 1 � 1 (� �I I I� � 1. 1 � 1 -. `�' ,. ,yoa _ . � -4 • 5 435 81.7 = 35 540 sf - (4' x 4' x 1' mina B"PVC 1=11 I=11 I -I LI=111=1 I i-I 11=11 I-1 1 I-1 � 1 = .v I-111 � Bottom Basin 529.0 � - - - - _ - dam., �, ♦ .. A .... PaQi•°° F� . s � � Req. Surface Area ( ) 111=111� 11=1 Eev=529:0_ --I11-1� 1=11=1 �1� l=1 1-1 �1-� I- - r Q.Q o�ec oc�O�e SA Provided=35,640 sf _1- s Qc 0 a To `Pond Size =162'x 220' x 2' @ top of Riser 72 . 'of - _ a. ♦ .: �0 S°, ,o / 528.01nv. 18 HDPE 'P ., ♦ 5 . o O ; Volume Re . - 26.77(1800)-48.186 cf ♦ se • �e d� q of / / ♦♦ 526.01 �. o`t Inv Out / s,. ;. Vol.Provided 162,96 cf @ Riser ♦♦ _ � .�s ' �' 16z,969 cf @ Spillway � : - I - - _ _ _ � • , � s _ _ III_ . r _II_III_I �Id_ILi-Ili�ll-LII III .III _ v - _, „L„ ,, ,, I I _ILI-III-i I I-III-L L I I! I -III ...III -III -III -I I i NOTES' ♦ � _ _ .__ 0a�� _ � / �♦ / .535 e`r .:...--�-_....__.._.,_:._._,. _ , ,: ,' /. ,;. / ♦ "� , MATTING FOR EROSION CONTROL ON INTERIOR AN D EXTERIOR SIDE SLOPES. • - 1. SEED AND PLACE MA. - • "L., - MINIMUM OF 3tOIR FIBER BAFFLES IN ACCORDANCE WITH PRACTICE STANDARD 6.65. 219NSTALLA s� \ X .✓"_'..__ a :' <' .- / ♦♦♦ % , SKIMMER AND COUPLING TO CATCH BASIN. - , -3. INSTALL. � Y� � . - oa \ec `°,..._. _ ,. " I` <:'� -'� j. ♦♦ / BETWEEN THE SKIMMER AND THE COUPLING. i _. - 4. THE ARM PIPE SHALL HAVE A MINIMUM LENGTH OF 6 FT. BETW -- PetOKO°t EMERGENCY SPILLWAY SHALL BE LINED WITH ♦ S:.THE-EMER _ _. i va Fc` `\ ,.. P �Sa � _..,....., � I `�� - �/ ♦♦♦: BASIN #1 DETAIL ® s�9 aey ti� NO SCALE _'LO'z r G.°�. y� �3',' !' ': ,�'♦♦♦ / , ♦♦\ 1 d Too 0 h O. �3' ` , / ♦♦ .../ ,. ♦ s e \s .PS Riser Catch Basin #101 2 Oa _ c3'. j. �' , / ♦♦ / • \ •S See Detail this Sheet `0g °Q f r ,` ,' / -. ♦ / ' EARTHEN EMBANKMENT - - day.,. /<: • -/ .EMERGENCY SPILLWAY ♦ \ ` ` � -.��;; ,,' WATER ENTRY UNIT PVC VENT � ,; ♦ ! i £ POA I`I / .� .!/ ♦♦ WITH TRASH SCREEN - PIPE .' • � � 'O `''1 �` In ♦ / ' FLOAT i i ' `. � .-.,-,'`t;,., r0� !v f�J�jp� f �' ,� / ♦♦ � , ,.. SCHEDULE 40 PVC PIPE FLOAT ' f ♦ I ( \- �" _w:�'.-!.-+,,:" r ,: / RM " + ers..'r _.Its_ , �' / �`; New Rip Rap Lined , ORIFICE OPENING INSIDE TNF (BARREL OR A ) �- ry i •.' \;�.1.. !C : Channel between HORIZONTAL TUBE WITH A PVC VENT PIPE y, CONSTANT HYDRAULIC HEAD FLEXIBLE HOSE ` �.♦ S3 y1( !� ;` `New and Existing Pipe ,> SEE PLAN FOR SIZING oti. i ` ,/ ♦♦♦ _Ewstmglg"RCP POTENTIAL FOR PIPING CAN o o_•�y -1 �.X �.. 1 / ♦♦ Length=56' r m mil St_ S`� dy ` .. + ' , ♦♦ Slope =1.71% SCHEDULE 40 PVC PIPE - - OCCU R. PROPER DESIGN TO �n ` SF�- i MINIMIZE DISCHARGE - n. v i \ , .`� i ,..._ f / ♦♦♦ j Inv. /n=524.71 (BARREL OR ARM) 3 .AROUND PIPE MUST OCCUR. ... 01 �"� �- %♦♦ Inv. Out=523.75 L = 1.4 x DEPTH - 4 c a s "`c.., '� -.. r,/"; / ♦ / TO THE OVERFLOW o. ♦ �q\, Undisturbed Area ,. 'L-"'.Existing Rock Pipe ♦♦ / r FLEXIBLE HOSE - MINIMUMUN6 MPUES v f" '^-�,'^.,, ♦ v - WATER ENTRY UNIT - ♦` `�. Phase I Inlet Pro tection to F / rf FLOAT • -�q -.� .m._ .--20'wide Rip -rap remain END VIEW ,` � ♦�\0. "`�.. Emergency Spillway , � \\'\53S Crest Elev.= 533.5 :♦M� - MAI�NGIEL PAD TO - - ♦'R° .�h,♦� " 8"DISCHARGEPIPE CHANCE OFTOP VIEW SCHEDULE40 SKIMMERBECHANTUCK to Catch Basin#1D1 SIOEVIEWPHASE I EROSION CONTROL SCALE 1" = 40' (NO SCALE) FAIRCLOTH SKIMMER NO SCALE - 540 r - Proposed Sediment Basin #1 Phase II N TES: i �•• Top Dam = 535.5 .1. Install Straw Wattles in the ditch. � . . • � �� Emergency Spillway Crest = 533.5 Spacing shall be 16 on center, or as _Y j/ `. _ �� ✓ e pcea ! / Top Riser = 531.0 specified on the plan or directed by the site --w- �.... .a�ag % SUPPORT ROPE TO WIRE METAL SUPPORT POST, STAKE TO - �--"-"` ,. � to �' 8" Skimmer w/ 5.5" orifice opening erosion and sediment control inspector. . .� ".. PHUD TO PREVENT SAGGING 24" INTO BOTTOM OR - " SUPPORT WIRE - - �� ..: .�, ✓ , Bottom Basin = 529.0 SIDE \ ; ' Drainage Area = 9.6 Acres '_ .1010 r24hr IC 12" MIN DIAMETER WATTLE ) FILTERFABR R. DITCH LINER WOODEN STAKE - 12 MIN FASTENED TO WOODEN C = 0.6 - � r ( � �i � ,� WITH WATTLE DIAMETER DITCHLINE _ d. _._-___..--_--._--- .M ANCHORED TO STAKE BY NAIL OR STAPLE WATTLE � v, �) I' r Q = CIA = (0.60)(5.10)(9.6) THETOP_---- / m ', I Q=29.37c.fs.(Rational Method) �� r . N Req. Surface Area=325(29.37) = 9,545 sf I - WOODEN STAKE _ Area to be excavated reduces the SA Provided - 41,130 sf @ 531.0 COIR MESH BAFFLES / -. DITCHLINE ♦ -- -"" _ _ ` drainage area requirements of Pond Size = Approx. 100' x 162' x 2' @ _ 700 /m2 min. weight \ ♦ -. - - - - g _ S - FILTER FABRIC �, f the basin as work Progresses top of Riser I I-i i-I_I-1 I I -I 1 1_ I-----_ v 1= - - - - 1.11_I OR DITCH LINER FLOW i 535\\ '` Volume Req..= 6.5(1800)=11,700 of I I L-111=III-111-I 11=1I 1=111-111=III-III-111-I,I I-1 I L. / 7 i / / \ / : \ \ Vol. Provided 32,400+ cf @Riser ♦ N 11 Z r�/ `\/� /, _ ♦ -Once the New Excavated Mine area has " ;. ♦ ',. ,, - .been stripped to an elevation below the t I PH II A4" o STAPLE PER • - f sediment basin and ' ;/ m,, Ir1e Extents . COIR MESH FABRIC BAFFLES bottom of the, O NO SCALE MANUFACTURERS I `�-� <- °.� "\ 2. y run-off has been directed back to the - - RECOMMENDATIONS ♦ • " �'., 'an G % existing mine, the basin may be removed after inspection from the Local Erosion •>, .Control Official and permission Is given to ♦ '` U C ' c,'remove all Temporary Erosion Control 4 533 ' ;h,. Measures. 529 'Lti ♦ ��` , (` • r P YTEMPORARY SEEDING TO ECK DAM. ' AP L STRAW WATTLE CH ♦ `` , ` Remove Sediment Fence in this area, Build BERM AFTER ITS CONSTRUCTION - - � � �' '`-, � '--�_ _" � i ' original round as shown and NO SCALE • `., _! \ dam outtoo g g 2 MIN. ,♦ � - \;' create opening through existing Basin dam F COMPACTED SOIL 1' L - - ..... • 18 MIN: Fa. _ `♦ C -III B.o ♦ \ 1-III=III=1 L-III-I - III III .III III I -I I-1.11=till -III I=Ill- -IIT=111=1JI III=11L- • .Minimum Area needed for 4.5 min. YS 2.5'- 4" FLOW DEPTH B i Filter Fabric Lining 2 1 12" Min. DEPTH TEMPORARY DIVERSION BERM I 6.01 NO SCALE } 1 - FABRIC LINED FLAT BOTTOM DITCH 2 _ T = 62.4 (.33)(.04) = 0.82 Tractive Force SILT BARRIER IT MIN. Use as Lining: i tea: :American Excelsior, 2 Nets, Straw or - WIRE MESH FENCING i _ ,.Y East Coast Erosion Blanket Excelsior, 1 Net, Straw DIA. or Equal 0%Slope Keyed in 6' 9' 2 0' T-, ^,_,y 18„ Recommended _ WOOD OR METAL 6"MIN .OF 2"-3' _ - DITCH SECTION COARSE AGGREGATE 50'MIN. :� I� NO SCALE -._FLOW_. I-6" CLASS B" RIP-RAP,SEC1'ION BB"Filter y ^.�,.Filter Fabric r- 6 :. PUBLIC ROADD _ RIP -RAP PIPE. OUTLET COMPACTED.EARTH & INLET PROTECTION NO SCALE TEMPORARY CONSTRUCTION ENTRANCE SEDIMENT FENCE NO SCALE NO SCALE.. L \s` \. n Re -position baffles from Phase I to the configuration as shown (replace baffles as needed), change skimmer head to new - specification m \ m • ^• i�yh Remove Sediment Fence in this area, Build a0 i 'dam outto original ground as shown and ,yg create opening through existing Basin dam l 535 proper basin sizing Approx 10,000 sf '530 6 Sediment Fence Phase II , J / t ` , -{ +•+ ' ♦�.,, ,' /nv. /n=524.71 �.. :< nv. Out-523.75 a , � J J PHASE II EROSION CONTROL SCALE : 1" = 40' Z O N W C F- ®xraas+aae�:acty® Ilk '7 a H. w s O \ O O O N Q Z W ,. J Q O Z Z = C04 D61 w d' 2 d z co C-4 SHEET 4 of 5 I ■■ W AW, 9a N0� W Y 0- ¢ ¢ E r F-.. ENZ ErAm w ¢ Z Z tY V o O W w o¢ J Ck � a.J f r �O OR1. w r W c d. W Q�Fw-W ¢ CL } � ca _�¢�... o y En v N Z W N N E r W S wa e � WOa -J WUA m w F- ¢¢ yZ-w d z �¢¢N w r mF Of�x �Ld Ld Z O O ZN NIW mow O�LX z m _ U- LL NO Z- H KQ>,Z. K } W r J 0 O w 0 JOw f NOa'N rU 0000 ¢Z..^ w _ r U> E W m O O m J-W,Z-, r 7�00. 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C c C) U aLn y y C m T c to C: c m'm E o c�ELa U m ro a a 0 E B - L C = C: 0 CU a m C a m -C 7 U N Y O C O T O n _cu C 'Z O O L m N a L >y ='O c a a) o toY m C N C: -0C a a = v V c c m Om L m N U m N aCL o o m m UO a m L 0 ,m r .- j O- a L -0W E Y Y a F m w N -0 N Q -0 m u c �7 U > O OL u V 7 Z to a m ,n a s O a O C) D O a = a = O 0 c 3 c z v O Y F- m as U p Cc N u W C 3 CLa O N u a Z w s O a F N � Q ° m' N C a J 7 a ro O Y Q = C F- a N O " 0) Z N 0- O s s �= M V V in i L a Y toa, Qj 3 t -0 a = -0 m L an C t Y W O _ = _ o Q) 3 L N 0 M a a M V O v i V C w C C: ro .= a to -o c C CL L a 6 L O -C p u u a Z,V L f0 N Y toto_ to m � >. ,,, a •" Y O L to E C L a Y _0 L ar N O to u a -° a a s C: a Y to c .- _ .S2 a E E "O Y Y 3 C . OL N N a O o 0 0 a .° U v O .S L Co EA LU to :� C an Y -0 M c to a Q N a a -C to v a N O L 0 V C ° F-. 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