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Home My WebLink About1997_Mine_Maps q Mr 73 Ii ••••wS••�i••••*•1r +.••r•r..'•.'.r.".••'-s�,a.}r. a,♦.a.'�.,..t,.�,•'•.,._ �,_•1'y,,„� "w�I'' `r1 am i a••k1�.a,.'�f,r.0 .`r.t.._`i. •++•1..a a @,••"W�rw,f-'_-, •J.,— .f•1�i ,iE i ��r ys •�i i r M �.•.• �••, 4 j• •, � •1 Materials CompanyTable oContents T. 0a Hiif HENDERSON Property QUARR iC- * t Map 2,0 Permi •+ 3. Cross Section 1006 4* Conveyance Cha nnel Proffles�iP ion5a8 Reclamat * Plan 6. rosion and Sed Control Details 7U 1/97 mh PR 2 Bluefield Virginia Indust r ial Park SCALE: 1 2000' P.O. Box 848 Amok IIIIIIIIIIIIIIIAM Bluefield, Va 24605-0848 540/322-5467 (Phone) 540/322-1510 (Fax) • A4 t6y in'-1 16 f 0249 Vulcan Materials Co., Inc. P.O. Box 4195 504/211 ............... Atlanta, CA 27105 0 f F f "'t, 0443 Charles B. Blackwell Sr. and 1802 Willow Road 756/460 4/24/90 .............\\ Charles B. Blackwell Jr. Henidersonville, NC 28739 .......... co 0784 Mary Jane Gilliland Morgan 2956 Clear Creek Road 600/499 -4 2 -C c/o Jane ----------- Myers Hen,dersonville, IFIC 28792 1 J 1350 Fay B. Lockman 26011 Hwy. 64 E. Apt. 319 362/658 U) F-1 1-1 CL Hen,dersonville, NC 28792 0 > 2163 Oscar Lee Corn Rt. 14 Box 164 694/115 2/27/87 > Henider 2 sonville, IFFIC 2879 My < 2318 Phillip M. and Patricia C. P.O. Box 6264 741/319 40 C AF11 % Walker Henidersonville, NC 28793 C: Q) < ........... Cy ? r--q IF 1 2557 Robbie L. and Sandra W. 1090 Howard Gap Road Worthy Hendersonville, NC 28739 LLJ El R 2867 Greystone Enterprises, Inc. P.O. Box 2059 799/167 5/29/92 o F Hendersonville, IFIC 28793 < < > > A Can P 0 .0. Box 4tO5 240/228 to, GA, 27105 Ation Y Vj 0 3347 Everette M. Corn 50 Popcom Drive 535/185 10/15/74 E and Wife Hendersonville, NC 28739 F < -0 J j ------ 3576 APAC Carolina, Inc. P.O. Box 14000 620/729 11/12/82 Dept, Lexington, Ky. 40512 IF -1 40 0 El 0 Tax Compliance Atlanta, CA 27115-4239 Vulcan Materials Co,, Inc. P.O. Box 4239 769/607 j", 3632 -Z- -7 3936 Katherine E. Nesbitt 116 S. Jones Street 271/69 Hendersonville, NC 28739 6 10/15/74 4047 Gary Corn and Wife 25 lPopcom Drive 535/187 0 V 0 .......... Hendersonville, NC 28792 (7- 4145 Jeffery Earl Ledbetter 20 INix Road 867/653 4/12/95 .......... 1,F Hendersonville, NC 28739 4F 816 7 ........ 789/357 12/31/91 4189— Greystone Enterprises, Inc. P.O., Box 2059 _7 55 (Mobile Home Park) Hendersonville, NC 28793 4190 Robert H. Stephens, Sr. Rt. 5 Box 40 and Wfe Hendersonville, NC 28792 -<7 4 Q-7 ...... 4203 Carl P. Com Rt. 14 Box 175 800/711 6/25/92 0443 Hendersonville, NC 28792 P.O. Box 4195 551/19 4264 Vulcan Materials Co., Inc. 223"T" 2 Atlanta, CA 27105 ZZ 2 3 Z, Kate Garren EST 2895 Clear 3/112 F, 4485 Hendersonvil S 801/729 '489 8 Edward T. Vogel 200 RidgeMew Drive Hendersonville, NC 28791 5088 Vulcan Materials Co., Inc, P.O. Box 4239 686/181 5 Atlanta, GA 27115-4239 Nelle B. Cantrell P.O. Box 398 280/39 2/11/47 37 Hendersonville, NC 28793 5755 John R. and Carroll 168 Nix Road 857/405 12/17/94 Jackson Ownbey Hendersonville, NC 28792 5847 5847 Otis Shipman EST 579 Green Ave. 40 ODOM 619/64 11/15/34 Bro-oklyn, NY 11216 j '4 V': /K 5870 Millicent Marie 2855 Clear Creek Road 87E/305 Laughter Williams Hendersonville, NC 28792 x J 'A" i! 41 5894 Edward Todd Com P.O. Box 4 699/651 6/1/87 Fiat Rock, NC 28731 C 793/409 0 5934 Edward T. Vogel 200 Ridgeview Drive F."P Hendersonville, IFF 28791 > 6117 Thomas E. Kilpatrick 10000 Howard Gap Road 890/320 2/20/96 Hendersonville, NC 28792 6450 Gregorlo and Regella P.Q. Box 557 775/579 J Aguillon Dona, NC 28724 t 0 Box 3 772/136 0 Hornesteod, FL 33033 f z 'i IN- I X H 033 omesteod, FL 33 PQ �,j 6775 Vulcan Materials Co., Inc. P.G. Box 4239 504/541 Atlanta, CA 27105 j j j 6983 Gary Wayne Newman Rt. 14 Box 154 632/51 9/30/83 1350 Hendersonville, NC 28792 S� ...... 6989 Rebecca M. Logan 579) Green Ave. 651/137 11/2/84 ......... Bro*klyn, NY 11216 V 4 Rt. 14 Box 154 820/269 4/28/93 7054 Virginia Newman Murphy 4 Hendersonville, NC 28792 7496 David L Pearce Box 3 702/641 Hornesteod, FL 33033 77777 _4 ------ 8024 Charles L Nesbitt Rt. 5 Box 182 557/439 8/26/77 8161 William L. Jr. and 598 Lo keside Drive 788/147 V .... .. ...... Barbara Y. Harper Hendersonville, NC 28739 -FU;! '7 7 8799 Flay Newman, Jr. Rt. 14 Box 154 and Wife Hendersonville, NC 28792 > 4 -J L� luj and Wfe Hendersonville, NC 28792 7Z 0 M M 0 < 01 8955 Harry C. Garren 2895 Clear Creek Road 794/781 OL Hendersonville, NC 28792 50-8-8 Z z, X =2 0) 1- 0 T1 Co,, Inc. P�0. 8995 Vulcan Materials i"V�P, 01 0 --5755 9200 JudySweeney Rt. 14 Box 155 572/763 z Hendersonville, NC 28792 1.- 0 Ld Lj 0 z 9452 Willie Mae Nesbitt EST 818-9th Ave. /72 LLJ z K, % 4 Hendersonville, NC 28792 0 Ld c/o Edna Allmon 4 < (5 7— 9901 Harry C. Garren 2895 Clear Creek Road Hendersonville, NC 28792 320 rr "j, do A E,.- 7' -------------------- N Vc n > -3 z 4 20;3 F bits LEGEND c) a. z D I E J 0 h" BUILDING J 1404 z "F: V, V -j J, ...... PAVED ROAD 4 > FF 0 z Uj W TREE UNPAVED ROAD > cc 8, 4 0) A cc cc 51 ------- W a. RIP RAP T a z z W _7" ------- WETLANDS .......... 771 A W > CC j STREAMS/POOLS A z I V�J "6 1 PROPERTY BOUNDARY Uj % EXISTING PERMIT BOUNDARY 2�, PROPOSED PERMIT BOUNDARY j REVISION 67 ji. f 41 PERMIT Nkv PROPERTY INFORMATION TAKEN FROM A-- SHEET NUMBER TAX MAPS 9660.04 AND 9670, Jil "If" % it HENDERSON COUNTY, NORTH CAROLINA .......- Y OWNERS N, NOTIFIED OF THIS REVISION N�7 .4ai 1 of 6 t "Iny 9200 TAX PARCEL NUMBER a. Amm A X Ar)y 4 M// 5 fflWw ........... ....... z C.) Q, - ........ _31 z 4� 0) 0 z 0 0 _c U w ........... 0 > ............. 'X _7 7`_ C 0 7� 0 CATEGORY ACRES TAILING/SEDIMENT PONDS 9 _z LLJ LEGEND STOCKPILES/PROCESSING AREAS 24 sl CONTOUR f 0 > 220() MINE EXCAVATION 51 Q� 0 BUILDING J ,jj N ........... 44t E ki OVERBURDEN DISPOSAL 24 Q) _c M w ....... PAVED ROAD c PROPERTY OWNED 126.84 4 PROPERTY LEASED 40.18 V TREE 7 TOTAL PERMITTED 16 .02 ............................. UNPAVED ROAD 2 ......... -0. ........ . .......... RIP RAP N ......... T WETLANDS STREAMIS/POOLS P -7 --7777 1 PROPERTY BOUNDARY A q Tk A CE' es, 0 09,N. YANCE-1 hC 25' PROPERTY BUFFER LL 0" OF TING EXIs 90 E 0000" 'b T BASIN J Z ....... .......... 4f Ex[s Quarry E '7� Ac. N .2 V� Existing Pond (Previp StOCK ilep/ psly Cos ............-.1 C. Pro Quarry_� PILI BASIN II Ar 6 a 7 At. .......... Xl� A P-LAN T �A, ------ 7 E 1,0boo C , 7 ---------- I I I A 7 _7 T N-7 N\ 7 1, IIA, AND 118 AR PERMITTED"BUT-NOT,YET TO-1 ONSTRUCIED. REFE� Uj LIJ REVtSt0N,_QATE MI[NE PLAN N1_ - -9 FOR DETAILS. < < 4 M M 0 CONVEYAN .............. a- a- N _J ry r-- L 48.3 c� J LLJ V) 'EDIMENT EXISTINb LU Ld -) 0 N z 6i 6ASI '-den Dtspoi�A[ 2, Berm 0 Q 0 V) 0- U_ I y ....... ...... N11 .................... ix. J ............... (D ji N N CkANNE �rrrrrl z 77 00 - 7 pi- CESS'NOA I TO,' z ................. ' --Z .0 A H cc Ix- 0 4 cc .......... k 1, 4 t J < Q CO + ............... LU ou" 4, J 5 ;V cc 7 Z Z UJ 4 ......... J" 0 Uj J .......... 'i !�, " cc V Uj a z ........... z J j 441 UJ -LY NE�,.N'0.2. INV �AN U LL cl Uj > v, V __1 z r i J, Uj J .......... Aj 777� -7— '77 S H E E T N U M B E R 4 mpa 1vo Mdor ........... 2 of 6 J Ilk A ............. Z� co 2 O � 23 .01 ! E # i I ? i 2340 U c g ! ; 9 I ! 1 ? i I i { a 0 2310! i { E P a I 4 ! f _ l2310 _ _._ _j 0 Q > I ; f f 2280 i Rt i3 E i 9 II _ m w ! j � y g � t 1 } I ! � � 1 # a r i � ❑ S (( 3 3 p 2250' 1 I ! # ! 12250 t ? t § �2220I � � t � t 2220 1 I � t P t ! t i 4 ? E S I I r 219D ui o ! EXISTING G�OUND I ? ! a I 2190 } r co W 1 2160 �� I I I # I I l 2160 E t CL uj iLLJ n { 9 1 (I I # ? ( E 1 J }1 9 130 I I ! I ! € # ! i I I f 12130 t t t 1 s ? I EXISTING BENCH tI OVERBURDEN CUT SLOPE i APPROXIMATE tOP OF ROCK I ! # a�ky i P f I I ! ; 2100 1 ! � I 2 00, wFET1G-BCE+-I—��..__._,_,__.,,.._...__.__._. .._.___,__...____�.__..�,.__.._,-____.___�,.....__ .__..__.._.,____��.__.._��__..._m..__._._.,._..._._,� ..� .� _. �._ �- � -- ,f 1;t1t�RE'1�Ffi QIJ�';�Raf--P�T F�OE�- ------- .-..._.,r._.....___..,�_..._...�.�.__.._....v..._.�...._,....��._._..__..._.___..,,_..._�_.__....�__........___._._...... 2070 Z 2070 I § ' I ! y I i ^ f 30' SAFETY BENCH ( I I 9 t # g a � f t s ; ! ; P2040 40 _ I 20 __..._ __..._.-_ ...._-.-._._..__... _... __ .- _.- -_ __.._. ._._ __ _ __ ____ _ ,_._._........._... _ . ,_._._.. 80' HIlGFiWALL { # 1 $0' HIGHWALL 2010, 12010 � P J J C' I I00 jOf a 4 �0' SAFETY Btz EIN6H � r °- r 1 I PI 1 1980cr- 0, 19 80 71 J w OZ CJ W t— Q O W! I E # I # ft: 1950 ow cr_1o (� oto � P� 7i 1920E ! § j f { i 3 I ! I t 1920 Z _... _.._.._._..�... wry..�.v�.�,______w._.�..,__.._.,,...�.».._.___.______._.. i I � ' � � I I � ► � � � I i I � � � � 3 � Z a i § i f , , ! ? z 1890 18901 ,_.__.__.____r____ _. # § 1 O c� O I I # 9 O U ui Z co J s I f # { ; I I 3 C # 1860 - �C W 1 60 � ! ' .__.....___..._...._....._.__.__.,,.�_..�.__.__-__...__.,...__�__..__�._�M.._...__..._____. _ � � �- -.� � _ t � ..�..__._.._,_.__._._._.__.._._ W Z Z c() cp O18301 5a O 9 f I s Y� 3 ! P I � y p I ? 1830 Z ! 1 I PROPOSED QU�,RRY EXPANSION EL. 1815.0LU ? ? q I # _ CC I ` 1800 W > i # f I s t �r._......___..__.___..,a_u_� {._____�.____._..__ 5+00 �_�- 00 7 00 8+� t + 0 3+j00 4+100 I ....__.100 9+'00 10 00 11400 12400 13+00 144-00 15+00 16 00 17--00 18+00 19+00 20►�00 21 � -0- 22 00 23�-00 24 00 25 00 26 00 27+00 28 00 29 ' 00 30 00 Z 1 +00 2 0 _..._ _ ._._. + ..___. TW i SECTION A-A' CL HORIZONTAL SCALE: 1" = 100' u [an SHEET NUMBER VERTICAL SCALE: 1" = 30' Materials Company 3 of 6 U U Z � Z � -F) 0, O (� (1) z L ,.� U o a ❑ ❑ i I ,,.t c O e ' 2250 J ! 12251 ! ' 4 3 2250 _____,_ _,_____...._ _._ 4� I ! f 2250 110,0v Q a s ( � O � N 42220 � 2220 12 2 2 0 __....�_._,_ i } ! 12190 4 i 21901 , I ` 219 0 I 1219 0 —4 —..._,_ _________-_St _ I s I 6 4 t t 9 r i 216 0 I i o 2160 001 >- T t p 1 { I E E ZI i N i n j I °213 0 _ ! 2 FOOT �F CLASS i RIP '�AP { S UNDERLA BY FILTER CLTH 9. . 2130 s. ____._'___ _._________. _ s 1 I4g2130 � _m______ _._ ______ __.____ — — I , I I —2.0�% .. I n I 1 Q Q } cn 21 21 [ t ( 1 21301 2 FOOT OF CLASS I RIPE RAP —3.03% 12100 UNDERL 4 ! IN BY FILTER C�OTH 2100 21001 I s E ,2070 • � ! f € t 4 t I .,..,.. ..€. 2�...,......».._...,,..�«...._...._.,._....,«.«....t..,._._.,...._..._..._.._........................ � 3 1,......«....._.....V«..,..,....,,...._....._........_.�,._....,...,..a........_.,._...._.._...,.._.._..,........._«.._...>..._....."....._._—...._...,...._c i 20701 _ __ _ _._�__.____.m__..._._«.. _ ., .___,.__.____..__..w______ 0 i Lj2070 23+00 I __..__._____.____. .____._.,_._ ___.____ __.__.._.___._._._ ._. _.mm_. 0. .. 14+00 1�5+00 1.6+00_«m_ 17+00 18+00 19+00 W_Ta_20+D0 _ 21µ+00 _ .22+0 _m._,"_.._______ ___._...._.__,_., I 10+oo 11 +w00 12+00 13+0 - _ ~_.m_ i 10+00..__.._.__. 1 1._+.0 ___,.�... 12+00 .___.. 13+00 .._.__._1_4+0.0.___ 15+00 _ 16+00 ._..__17+ ._._.._...,. .,_ i CONVEYANCE CHANNEL N0.4 CONVEYANCE CHANNEL NO.2 HORIZONTAL SCALE: 1" = 100' a VERTICAL SCALE: 1" = 30' o z HORIZONTAL SCALE: 1" = 100' VERTICAL SCALE: 1" = 30' i 4 c j i I 1225a lI 4 2250 I 12 2 5 0 Mw 2250 J h- co N T t I Q' 0) w = Q = v' w w k I ! [ # I I CL Q I12220 2220 2 2 ,«._.._. 2 I ! � W U O ' - -... 22 _._._._.._._. _._._._.._.._.__. ------ g t �__..._. ! f I t � Y W W Z t f S � 5 � 6lgpj � � 4 i I gfg �/J Q W F— Q O J 190 1 219 Z,u� tt ' I 216 0 _.__ _.._. _ ._.._.___._. �- I _.__.._.____. .__..._.. .__..__.._,.__.. _ .__ _.__ .__._ I f I (�$ -- I , O Q 4 LL I s d 13 0 <C 2 a. 216 Qj_ 2 I I I I — [ 2 FOOT OF CLASS I RIP RAP f BY ,FILTER CLOTH I o UNDERLAIN r� 4 2130 ._._.._ d O ^ 3 g9 4 "" i I Z Z I VJ 1213 _ ..__. _ ._._..,._....._..._......_._.-.......,......... S 21301 W .J Z 4 [ I n .�. { i 3 i —3.46% I 100 _ - I i 210 0 I � ui cc W 21.00 Z Q i ! ! _ _ __.__•_ 2070 ® z I __._«. _,._._. ___ __._.u.__ � 0 28+00 U W 1 2070 I I ------ _ : > 14+00 15+00 16+00 17+00 18+00 ,._ 19+OMOmm."___ 20+00_ «_„_.21 +004____22+00__._ _23+_00 __4__.24+00 __._�25+00 _26+0._�_ � ,_.__«,__��,__._...._��..___�._._._..,__. i,u � 2070 . _.._.__..w.�._._.a_....__.__._,__�._,.._;.�_ � _.____. _�_�.___._�_._w ._�, __._._�__. ._ _�. ._.�___�._._. �.M_ 10+oo 11 +00 12+00_«�.__�_3+_0.0..___.__ ��_, .....__ ___________�.._ +0o 11 +00 1,2+001.3+00 1..4_+0.0._ 15+00 16±00 �. _+ ._, _ 0 > OU CONVEYANCE CHANNEL NO.3 z uj CONVEYANCE CHANNEL NO-1 HORIZONTAL SCALE: 1" = 100' _ VERTICAL SCALE: 1" = 30' HORIZONTAL SCALE: 1" = 100' u [an VERTICAL SCALE: 1" = 30' SHEET NUMBER Materials Company 4 OF 6 J j; .......... (3) 2 N NOTES 0 c C) 7�, i5l, C) 1 AFTER THE MINING OPERATION HAS CEASED, THESE LANDS WILL BE SLOPED FOR 61 DRAINAGE, CONTOURED, GRADED AND SEEDED PER THE APPROVED SEED MIX. El 1:1 LEGEND 2. THE HIGHWALL PERIMETER FENCE AND WARNING SIGNS WILL BE MAINTAINED. ............. 3. THE MAIN ACCESS ROAD INTO THE PROPERTY WILL BE LEFT INTACT AND THE CONTOUR . ........ DITCH LINES WILL BE RIP—RAPPED AND/OR SEEDED. 7A BUILDING qv A- 4. UPON RECLAMATION, THE EROSION AND SEDIMENT CONTROL STRUCTURES SHALL BE 2 .2 co Q� PAVED ROAD IN GOOD WORKING ORDER. ALL PERMANENT CHANNELS WILL BE CLEANED AND STABILIZED PRIOR TO ABANDONMENT. UNPAVED ROAD ........ .......... 5. ONCE THE SETTLING PONDS AND/OR SEDIMENT CONTROL BASINS HAVE SERVED THEIR TREE HEY WILL INTENDED PURPOSES AND CONTRIBUTARY DRAINAGE AREAS ARE STABILIZED, T BE FILLED IN, CONTOURED AND VEGETATED PER THE APPROVED SPECIFICATIONS. RIP RAP 4 k7, WETLANDS J STREAMS/POOLS <.......... ......... ............ 3 -------- ............ "n PERMIT BOUNDARY ........... c u f d 3 STRAND BARB WIRE FENCE jj 19-0100 i E §000' P 010 _10 77' K ilk Ni, ,41 ............. r .2 17 Ag g vy t;`kk� U `77 E 1 00, '00 l..... ....... -------- A, 8", v RE G if ',I REATtON ....... ....... ji k uj w k� SR in (n 0 r- �4 `17 ............ �"4 LLJ 6 LLJ 0 A, V/ 0 V) a_ iA- fv" 10 N A� -0 —o— - - cc LL k, /451 .......... -4- V W ........... .. ......... X" op LJ_ Lu C> t w N6) ui .......... f 3t uJ _j uJ --------- - I% .............. t uj cl� avil SHEET NUMBER V k� J c ............. ............... 7/ 5 of 6 N , o 4 1 Silt Fence Detail Vegetated V-Ditch Cross Section at Spillway Profile Along Embankment at Spillway Z N.C. E&SC PLANNING & DESIGN MANUAL (6.30) 2. ATTACH WIRE FENCING TO THE POSTS. ' ° � Temporary Lining Class a Rip Rap Z UPSLOPE ALONG THE LINE OF POSTS. •.0, .v "' a 5 ft re55 1. SET P TS AND EXCAVATE A 4" X 4" TRENCH U Z o° 0 min TOP OF EMBANKMENT ELEV. ��\c`� EXISTING GROUND 4 ❑ ❑ _ NCDOT #57 CLEAN-OUT ELEV on o ' 1.5 ft SPILLWAY CREST ELEV.( �r i(ri-'��•� / �+ C' > 1 1 1 Z / 1800 cu ft/acre + r,� �. i d5 ft f .,,J k ac -� k ,ems,-3"ia t. s a ", e i. :-l P a 1, ,^•' `�� „i•/�� ,,,.i CC o6 maxi Structual Fill k , ,, Structual Fill. rn a�i xx 'ram d ,%, �2.a ' t�C.•�;y�=�' � x< 14' c o 2' DEEP CUTOFF TRENCH ^, J LINED WITH FILTER FABRIC & FILLED WITH ROCK 4. BACKFILL AND, COMPACT THE EXCAVATED '"' w ❑ ❑ Filter fabric Class I Rip Rap EXTENDING ENTIRE LENGTH FENCE AND EXTEND IT INTO THE TRENCH. FILL. OF DAM 3. AT CH THE FI R FABRIC TO THE WIRE � Q o -o Vegetated V-shaped Waterway with Stone Center Drain Stone (Drainage) Section at Spillway Section Through Embankment at Spillway -- � ' 2 N.C. E&SC PLANNING & DESIGN MANUAL (6.31) Design m cr settled Overfill 6" / ❑ top /for settlement 5 SPILLWAY CREST ELEV. Z Z \\%\/ 21' Class I Rip Rap Sediment Fence 1' MIN min 1' MIN 1 f- \y�\�� 4 ft min lass B Rip Rap Min A ` FINE GRAVEL (NCDOT #57 OR EQUIV.) •-� d / /r f �� * N.C. E&SC PLANNING & DESIGN MANUAL (6.62) .., . . ,.t; r , EXISTING GROUND Construction Specifications / 2:1 side r§ t� 5 Materials /� //�//��•�,/ /\�/j 4-12' 5 ft �/ slope max ! `'� 2' DEEP CUTOFF TRENCH \�/\ ��\/\ ` max fill \ / Emergency 1:1 TYP. LINED WITH FILTER FABRIC 1 Use a synthetic filter fabric or a pervious sheet of polypropylene, nylon, polyester or �i / / / / / / j�� ( ) 6 r\~` \ �\\ v Filter Fabric Filter \j �1:1 side by-pass 6" & FILLED WITH ROCK polyethylene yarn, which is certified by the manufacturer or supplier as conforming to No.57 Stone fabric \ /�` slope max below settled 2 EXTENDING ENTIRE LENGTIH the requirements shown in Table 6.62b. top of darn OF DAM 3 ft Natural Table 6.62b min ground Rock Dam Specifications For Sediment Fence Fabric m • Trapezoidal Riprap Channel NCDOT TEMPORARY ROCK SEDIMENT DAM TYPE'A' Temporary Sediment Trap Design Physical Property Requirements v N.C. E&SC PLANNING & DESIGN MANUAL (6.31) p y p g N.C. E&SC PLANNING & DESIGN MANUAL (6.63) P y q Q Filtering Efficiency 85% (min) NCDOT TEMPORARY ROCK SEDIMENT DAM TYPE'B' a N.C. E&SC PLANNING & DESIGN MANUAL (6.60} Construction Specifications Tensile Strength at 20% (max.) Elongation Standard Strength - 30 Ib/lin in (min) �\\ Z �\�`� Extra Strength - 50 Ib/lin in (min) Z Z 1 1 Z 1. Clear the areas under the embankment and strip of roots another objectionable Slurry Flow Rate 0.3 gal/sq ft/ruin (min) Construction Specifications material. Delay clearing the reservoir area until the dam is in (place. p Synthetic filter fabric should contain ultraviolet ray inhibitors and stabilizers to provide -2. Cover the foundation area including the abutments with extrast th filterfabr ic arc a minimum of 6 months of ex 1. Clear, grub, and strip the area under the embankment of all vegetatlion andexpected usable construction life at a temperature range of Filter Fabric root mat. Remove all surface soil containing high amounts of organiic before backfilling with rock. If a cutoff trench is required, excaivate at center line 0 to 120' F. matter and stockpile or dispose of it properly. of dam, extending all the way up the earth abutments. Apply filter fabric under the rock fill embankment, from the upstream edge of the dam to the downstream edge 2 Ensure that posts for sediment fences are 1.33 lb/linear feet steel with a 2. Ensure that fill material for the embankment is fee of roots, woody of the apron, Overlap fill material a minimum of 1 foot at all joints, with the minimum length of 4 ft. Make sure that steel posts have projections to Construction Specifications (Channels) vegetation, organic matter, and other objectionable material. Place the fill upstream strip laid over the downstream strip. facilitate fastening the fabric. in lifts not to exceed nine inches and machine compact it. Over-filll the Grass-Lined Channel (6.30) embankment six inches to allow for settlement. 3. Construct the embankment with well-graded rock and gravel to the size and 3 For reinforcement of standard strength filter fabric, use wire fence with a minimum 14 dimensions shown on the drawings. It is important that rock abutments be at least gauge and a maximum mesh spacing of 6 inches. 1. Remove all trees, brush, stumps, and other objectionable material from the 3. Construct the outlet section in the embankment. Protect the connection 2 feet higher than the spillway crest and at least 1 foot higher than the dam, all the o foundation area and dispose of properly. between the riprap and the soil from piping by using filter fabric or a way to the downstream toe, to prevent scour and erosion at the abutments. a, keyway cutoff trench between the riprap structure and the soil. Construction 2. Excavate the channel and shape it to an even cross section as designed. 4. Sediment-laden water from the construction site should be diverted into the basin ir at the furthest area from the dam. When staking, indicate a 0.2 feet over cut around the channel perimeter for * Place the filter fabric between the riprap and soil. Extend the fabric reservo 1 Construct the sediment barrier of standard strength or extra strength synthetic filter v silting and bulking. across the spillway foundation and sides to the top of the dam; or fabrics. a 5. Construct the rock dam before the basin area is cleared to minimize sediment yield 0 3. Grade soil away from channel so that surface water may enter freely. * Excavate a keyway trench along the centerline of the spillway from construction of the basin. Stabilize immediately all areas disturbed during the construction of the dam except the sediment pool (References: Surface 2 Ensure that the height of the sediment fence does not exceed 18 inches above the z foundation extending up the sides to the height of the (dam. The Stabilization). ground surface. (Higher fences may impound volumes of water sufficient to cause 4. Place temporary lining and apply lime, fertilizer„ and seed the channel and trench should be at least two feet deep and two feet wide with 1:1 failure of the structure.) adjoining areas in accordance the vegetation plan. side slopes. 6. Safety - Sediment basins should be considered dangerous because they attract 4. Clear the pond area below the elevation of the crest of the spillway to children. Steep side slopes should be avoided. Fences with warning signs may be 3 Construct the filter fabric from a continuous roll cut to the length of the barrier to Maintenance facilitate sediment clean-out. needed if trespassing is likely. All state and local requirements must be followed. avoid joints. When joints are necessary, securely fasten the filter cloth only at a support post with overlap to the next post. During the establishment period, check grass-lined channels after every 5. All cut and fill slopes should be 2:1 or flatter. Maintenance rainfall. After grass is established, periodically check the channel; check it 4 Support standard strength filter fabric by wire mesh fastened securely to the up slope after every heavy rainfall event. Immediately make repairs. It is particularly Check sediment basins after each rainfall. Remove sediment and restore original side of the posts using heavy duty tie wires. Extend the wire mesh support to the bottom width of three feet and maximum side slopes of 1:1 that important to check the channel outlet and all road crossings for bank stability 6. Ensure that the stone (drainage) section of the embankment has axitend to volume when sediment accumulates to about one-half the design volume. bottom of the trench. iminimum and evidence of piping or scour holes. Remove all significant sediment accumulations to maintain the designed carrying capacity. Kee the grass in the bottom of the spillway section. g Y 9 P y' P g Check the structure for erosion, piping, and rock replacement after each significant 5 When a wire mesh support fence is used, space posts a maximum of 8 ft. apart. a healthy, vigorous condition at all times, since it is the primary erosion rainstorm and repair immediately. Support posts should be driven securely into the ground to a minimum of 18 inches. protection for the channel (Practice 6.11, Permanent Seeding). 7. Construct the minimum finished stone spillway bottom width, as shown on the plans, with 2:1 side slopes extending to the top of the over-filled 6 Extra strength filter fabric with 6-ft. post spacing does not require wire mesh support embankment. Keep the thickness of the sides of the spillway outlet Remove the structure and any unstable sediment immediately after the construction 9 P P 9 qw structure at a minimum of 21 inches. The weir must be level and site has been permanently stabilized. Smooth the basin site to blend with the surrounding fence. Wire the filter fabric directly to posts. o > Riprap Channels (6.31) constructed to grade to assure design capacity. area and stabilize. All water and sediment should be removed from the basin prior to dam Q � Q 0 � removal. Sediment should be placed in designated disposal areas and not allowed to flow 7 Excavate a trench approximately 4 inches wide and 4 inches deep along the proposed m = m 1. Clear the foundation area of trees, stumps, roots, loose rock, and other 8. Material used in the stone section should be a well-graded mixture (of stone into streams or drainage ways during structure removal. line of posts and upslope from the barrier. a_ >_ a r N Q J � J objectionable material. with a d50 size of nine inches (Class B erosion control stone is 8 Backfill the trench with compacted soil placed over the filter fabric. a < 1 z a o recommended) and a maximum stone size of 14 inches. The stone may be 2. Excavate the cross section to the lines and grades of the foundation of the machine placed and the smaller stone worked into the voids of the Ilarger liner as shown on the plans. Bring over-excavated areas to grade b increasing 9 Do not attach filter fabric to existing trees. z P 9 9 Y 9 stones. The stone should be hard, angular, and highly weather resistant. 0 0 C> o the thickness of the liner or by backfilling with moist soil compacted to the Outlet Stabilization Structure Maintenance Z z Y _J w z density of the surrounding material. 9. Ensure that the stone spillway outlet section extends downstream past the N.C. E&SC PLANNING & DESIGN MANUAL (6.41) w < = a < 0 J toe of the embankment until stable conditions are reached and outlet velocity Pipe Outlet to 0 0 0 0 (n a_ 3. Rock riprap linings: Practice 6.15, Riprap. Inspect sediment fences at least once a week and after each rainfall.. Make any required is acceptable for the receiving stream. Construction Specifications Well Defined Channel Keep the edges of the stone outlet section flush with the surrounding ground repairs immediately. 4. Place filters, beddings and foundation drains to line and grade in the manner and shape the center to confine the outflow stream. 1. Ensure that the subgrade for the filter and riprap follows the required lines and specified. Place filter and bedding materials immediate) after sloe preparation. Should the fabric of sediment fence collapse, tear, decompose or become ineffective, p g y P p p grades shown in the plan. Compact any fill required in the subgrade to the density a For synthetic filter fabrics, overlap the downstream edge by at least 12 inches tl of the surroundin undisturbed material. Low areas in the sub rade on � 0� ��V replace it promptly. Q J 10. Direct emergency bypass to natural, stable areas. Locate bypass our ets so 9 9 ry� a o Z with the upstream edge which is buried a minimum 12" in a trench. See figure that flow will not damage the embankment. undisturbed soil may also be filled by increasing the riprap thickness. oV'� dim _ 6.14z, page 6.146. Space anchor pins every 3 ft. along the overlap. Spread 3d A - oa ��fl A Remove sediment deposits as necessary to provide adequate storage volume for the next J granular materials in a uniform layer. When more than one gradation is required, ' 0 t7o rain and to reduce pressure on the fence. Take care to avoid undermining the fence during g y g q 11. Stabilize the embankment and all disturbed areas above the sediment pool 2. The riprap and gravel filter must conform to the specified grading limits shown on T- o =Op(-d oQ 0 W spread the layers so there is minimal mixing. Filter material should consist of at the plans. da cleanout. Z and downstream from the trap immediately after construction. P �o o [r Q least 3 inches of material on all sides of the drain pipe. -� - - nCn1o(��j� o(q (. 3. Filter cloth when used must meet design requirements and be properly protected tl�� oo�� oo Remove all fencing materials and unstable sediment deposits and bring the area to grade U a J 12. Mark the distance from the top of the spillway to the sediment clean-out 9 q P P Y P O o o 5. Perform all channel construction to keep erosion and water pollution to a from punching or tearing during installation. Repair an damage b removing the floodo�o and stabilize it after the contributing drainage area has been properly stabilized. Q minimum. Immediately upon completion of the channel, vegetate all disturbed level (one-half the design depth) in the field. P 9 9 9 P Y 9 Y 9 d QoQoO cc 2 protect them against soil erosion. Where channel construction riprap and placing another piece of filter cloth over the damaged area. All oodQ o 00 < _ •G areas or otherwise a oo� P g Maintenance connecting joints should overlap a minimum of 1 ft. If the damage is extensive, a REINFORCED STABILIZED OUTLET = O Z will take longer than 30 days, stabilize channels by reaches. replace the entire filter cloth. 0 [� Inspect temporary sediment traps after each period of significant rainfall. Remove 0 0 Maintenance sediment and restore the trap to its original dimensions when the sediment has 4. Riprap may be placed by equipment, but take care to avoid damaging the filter. PLAN 1. Any outlet where storm flow bypass occurs must be stabilized W Z J V accumulated to one-half the design depth of the trap. Place the sediment that is removed against erosion. J Q I- Inspect channels at regular intervals as well as after major rains, and make repairs in the designated disposal area and replace the contaminated part of the gravel facing. 5. The minimum thickness of the riprap should be 1.5 times the maximum stone J > Z promptly. Give special attention to the outlet and inlet sections and other points where diameter. 2. Set outlet elevation so that water depth cannot exceed 1.5 ft , F- W W concentrated flow enters. Carefully check stability at road crossings and look for Check the structure for damage from erosion or piping. Periodically check( the at the lowest point along the fenceline. Z Z 2 indications of piping, scour holes, or bank failures. Make repairs immediately. Maintain depth of the spillway to ensure it is a minimum of 1.5 feet below the low point of the 6. Riprap may be field stone or rough quarry stone. It should be hard, angular, highly La ° 0 = Q all vegetation adjacent to the channel in a healthy, vigorous condition to protect the area embankment. Immediately fill any settlement of the embankment slightly above design weather-resistant and well graded. 3. Set the fabric height at 1 ft. maximum between support posts (1) 0 ` W from erosion and scour during out-of-bank flow. grade. Any riprap displaced from the spillway must be replaced immediately. spaces no more than 4 ft. apart. Install a horizontal brace cc U G (n 7. Construct the apron on zero grade with no overfall at the end. Make the top of between the support posts to serve as an overflow weir and W After all sediment-producing areas have been permanently stabilized, remove the the riprap at the downstream end level with the receiving area or slightly below it. Q � d000 4 d to support top of fabric. Provide a riprap splash pad as shown. 0 Z Z [� 004 Q structure and all unstable sediment. Smooth the area to blend with the (adjoining areas and o � Z 0 Z stabilize properly. 8. Ensure that the apron is properly aligned with the receiving stream and preferably 4. Excavate foundation for the splash pad a minimum 5 ft. wide, W straight throughout its length. If a curve is needed to fit site conditions, place it in Filter Cloth 1 ft. deep, and 5 ft, long on level grade. The finished surface = J Z the upper section of the apron. of the riprap should blend with surrounding area, allowing no = SECTION AA overfall. The area around the pad must be stable. W ' O 9. Immediately after construction, stabilize all disturbed areas with vegetation C0 (Practices 6.10, Temporary Seeding, and 6.11, Permanent Seeding). Place posts W O 4' 8' Max at low points = X Maintenance r Max. ra W N Inspect riprap outlet structures after heavy rains to see if any erosion around or Kj ,r; J Max ;r J 11 5 UU1[an below the riprap has taken ri lace or if tones have been dislodged. Immediate) make all „a ff"' s SHEET NUMBER M1'Ia�B COltrlp811y p P P s P P g 9 Y needed repairs to prevent further damage. 5' Mina AP RAP 6 of 6 yi yl SPLASH PAD i