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HomeMy WebLinkAbout20111120 Ver 1_Site Plan_20120104 lk " \ \ a- a ENGINEERS I PLANNERS I SURVEYORS 111 MacKenan Drive DATE 12 22 11 JOB NO 02110380 ATTENTION an McM�I CARY, NORTH CAROLINA, 27511 (919)469 3340 PHONE# 919 807 6364 FAX(919)467 6008 RE Eagle Rock Concrete Buffer Authorization TO NC DENR 1601 Mail Service Center Raleigh, NC 27699 1601 v WE ARE SENDING YOU ❑ Attached via the following Items ❑ Shop Drawings ❑ Prints ❑ Plans ❑ Samples ❑ Specifications ❑ Copy of Letter ❑ Change order ❑ Diskette ❑ COPIES DATE NO DESCRIPTION 1 1222 11 1 SWMP Report 1 1222 11 2 PCN Form 1 1222 11 3 Wetland Supplement 1 1222 11 4 Plan Sheets gig,, pENR z9�7 THESE ARE TRANSMITTED as checked below �,�N WArcR ❑ For approval ❑ Approved as submitted ❑ Resubmit copies or ZIS�� fi%CN ® For your use ❑ Approved as noted ❑ Submit copies for distribution ❑ As requested ❑ Returned for corrections ❑ Return corrected prints ❑ For review and comment ❑ ❑ FOR BIDS DUE 20 ❑ PRINTS RETURNED AFTER LOAN TO US REMARKS Ian — we are seeking buffer approval for the bypass channel coming out of the constructed Wetland The second discharge point is for the industrial outfall to be permitted under NCG 14 Please feel free to call with any questions 919 469 3340 COPY TO W&R FILE SIGNED Hunter Freeman If enclosures are not as noted kindly notify us at once I I ' 10' PUBLIC "' ' i � • UTILITY EASEMENT 60" RCP a I B.M. 1997, PC. 903 60" RCP EXISING CA RIM:EXISTING 276.50TCN &451N EXISTING CATCH BASIN NV.: 267.82 NV.: 267.85' RIM T276.36TCN BASIN DRUM RINSE V ' NV. IN: 267.95' RIM: 276.48' INV. IN: 268.01' PAD EH INV. OUT: 267.84' INV. OUT: 270.09' INV. OUT: 267.94' - - - - - - - - - FM , EXISTING SANITARY a.., i SEWER MANHOLE LtJ CcJ RIM: 279.59 t 27 _ _ _-. ._. ,._._ ..,_ . ... ,.. :-, -, - -.. ,_ ,._ __ �p�' - _ ,, C AMBE� ,.1 '• rNv. IN(t): 261.76' WATERFIELD DRIVE ?>> INV, IN(2): 261.74' s. _ - S, P S INV. IN(3). 261.82 --U VARIABLE WIDTH PUBLIC R/W a v a L } U U V 1 7 P s� l 2 B.M. 99 G. 903 ft .( )_. ..,. . . SMH , , , I N0 WETLAND INV. OUT. 261.6 :.. . .._:�. ,_,-�G_ _,_,, t9:m, _.e ,.,., . .,, � ,.. _ r � _b n W E I:R SMH EXISTING SANITARY n �d V d� LL ± � 279 _ g- SEWER MANHOLE ...1 CH MBER '2 (� 41 RIM: 278,39 p C w 279 2X6 Z E R X INV. IN. 262.48 ' OR BUFF INV. OUT: 262.41' , .. _ ,.�: � IMPACTS I , LP_ . a - IH h ,:,.�..,.., __ - seed - y r ,.E_ .N_._C_ - 274 EXISTING CATCH TCH BASIN RIM. 276.4t HOPPERIP _ 273 , r -..,_ ._,,. is,.,, E• _ -- =-...._. ,:,,, _ __ I _ NV. 1N. 267.05 ,/� R - - ,.,, .,-_- >.- INV. OUT. 66.7 -._. .,, _, _,..,�. ' .:-,_, .. 2 3 -. am �. 27s.. __.-, ..m.._. ., WETLAN 17_ 60RISER 3 � N -., fG'- - _ TF' r. MBER .4 JB 31 ` 10 PUBLIC -277-. SA4Hy+ - - nl.: 266.70' N UTILITY EASEMENT 26a EXISTING SANITARY N , 1 t B.M. 1997, P 3 W 286.00 " 99 . G 90 F_ t L1.j w INE ,. C, .-., 04' 42" R r LL1 �, I ( __ TREEI INV.: 26k { SEWER MANHOLE BW 286.00 . . '... ,; r; , .' r{ rt s J, , ��. W 286.00 .. c,, ... -- _•! ' r INV.: 66,12' g _ s,z-, i RIM: 280.30 � , c .- q �� z z / f r �' ' B 280.42.. O I. , + s� INV. 1N: 262.10' T ti wt;;fi W 6.00 , INV. OUT: 262.05' 2 , N N o BW P8 4 01, " i o - ib _ WETLAND 26a o 1� - AGGREGATE a NI II 280 '', AREA- 1-8 BIN 2 � I' TW Iza6. 0 I N Bw 280. 2 7 tE l �e r TW 286.00 Nam° + FES 30 ry' BW 279.67 �� �� �P I f�,I SCOUR HOLE CV NON-INDUSTRIAL �� ti P� �r o M } l 1 4 A AREA .6 C i E m f I W: ry 3 _:: 2 DEPTH 1 . a 261 CO p^o 50' NEUSE RIVER I: 'I' RIPARIAN BUFFER rV a ry �� 2 2, 20 - + 1 7 Co` 27 + ' I ADMIX -- I `b 00AP' STORAGE FFE.-277.5 . • : 277.25 i INDUSTRIALAREA27:95 � <� "' 0 FALL - PERIMETER SWALE 2277.75 7.75 CEMENT TANKER : t77 0 ,�� I I DIVERT-DRAINAGE 99 7 5 L TV � AGG 61N5 277.25 F_TV NON-INDUSTR AL SCALE: 1 = 20 I +� saos N I - -AREA TO WETLAND P o. 27625 276.50 sp ��� ' lV 2�5 o LL 276.00 ' ry 276.00, y s I 'FLUME I a I LP RADIAL - - Yl 21 f-' 276.25 -STACKER ,y. �, ' 1 FLUME -_ 277:00• � • I 277.25 275:25 10, 277.00 ti FLUME Ij 1 3 277 25 276.00 • LP ,�s-_ DRUM RINSE SO / r WASTE r PAD - - - - - - - - - - - - --- YI 13 DISPOSAL/ -DRYING I BIN MBaN UPS N. 50' O 277:00 � N 0 WETLAND z +27750 ch v�oFR 1 - 277.25 E k00 OR BUFFER �� E � co 275.75 WER IMPACTS N f Nam= _ #277.75 W 5' g2 HOPPER 27257.00 o z + RISER 3 277. • JB 39 N t,H E,#8ER 4 _ N acl 276.2 N. Z W + N _, • ,�. AGGREGATE t I BIN I FLUME r 277 50+ 277 I N N C HW 1 �O �-. AGGREGATE n- _ 277.00 u 81N 2 7.25 FES 30 Z0 2� _ 26 N E 1 �a ,,• ,.- ;, SOUR HOLE a I,, C ' RAISED CONCRETE 271 276.75 2' DEPTH 262 I- I MPACT EDGE TO DIVERT 2 . 0 DRAINAGE FROM 277;50 C4 N Zo' CIV 25 ± 387 SE INDUSTRIAL AREA F\ I' W TO WIER CHAMBERS �9 �� ', ` ' ly l r 277.50 . INDUSTRIAL U ® N.C.G,S. MONUMENT N 277.75 AREA = 0.67 AC SAUSAGE' , 4 + 277. 5 277.25 ` r P Sf/TP 20 ? 277.50 _ ZONE 2 / `r CONCC2ETE ti - BLOCK IMPACT x 07 ROCESSING q MATERIAL T t STORAGE rr N. ` c7 � o • lilt 276.75 ���i a78.00 278.o0 - + S ` �` 5 E 61 64 YI 12 27725 • N 277.75 276 50 275.85 PS W y Z - RIP RAP OUTLET �� ,YI 20 V WETLAND BMP / Z CHANNEL WITH 2 15• RISER OUTLET 3: 1 SIDES AND 12 8 Y ,1 z1 2' BOTTOM WIDTH / n N.C.G.S. MONUMENT "BANK" m N N AT / NAD 83 (NSR52007) 2. % SLOPE J L 0P E N.C. GRID COORDS. oN N: 713,005:12 �� o E: 2,123,422.49 N C.G.F.: 0.99989216 J J, 50, ! ��A 3d' 50 O 7����. 6A� 3 2j8 �� WETLAND BMP OUTF �1. N I ry O= N SCALE: 1 " = 20' ZONE 1 IMPACT ;� ±387 SF W Y W IMPACT SUMMARY: ,: 1-1771 GRAPHIC SCALE U TPF TPF u [J 40 0 20 40 80 P cJ C 17 ZONE 2 --er-- _ , ZONE 2 IMPACT: ± 164 SF finch = 40ft. Nry _ _ _ _ _ _ _ '^ ry IMPACT u Z S 88'43'05" E 304.99' a 3 - '-' '' +164SF S 88'43'05" E/61.64' c r IPs - - - - - - §000�A8 o IPF - -- -- __ - °0°0® ` `. =- r,# ,,. o 0 o O ( 2 2�2 z� �o. RIP RAP OUTLET ti �� y °°® N ROl v °'� EXISTING IRON PIPE �� o°° °o NAD 83 NS z�o� 2 2 ZONE 1 BUFFER IMPACT: 387 SF r# ° ESS N N.C. GRID COORDS. - _- t j. ��.�u� O o ° �/ C WETLAND BMP e� CHANNEL WITH / ® _. °°° FEsslo °° 9 00 0 N: 702,146.60 r o 0 0 j E: 2,131,341.80 RISER OUTLET 3:1 SIDES j 262 `ry '� ° 2' BOTTOM WIDTH _ ° AT 2.5% SLOPE / 0 9 0 ` SNOT APP�RED � CHIN RUCTION 0 +++� WETLAND IMPACT: N/A ° 0 O V 0 W I M NO. Revision Date By Designer Scale 1 1st Pion Review 1 1-30-11 CMD TLM CMD 2 PLANNING COMMISSION 12-20-1 1 CMD Drawn By DateW1TE A G" L E ` BUT F E R I M a Sheet No. 00 C N C rRtETE "' U.NT T E I BIT o TLM t1 15 t1 ENGINEERS; I LANNERS1 SURVEYORS Checked By Job No. i CMD 02110380.00 Town of Garner Wake County111 MacKenan Drive North Carolina Cary, North Caro a 2 11 tel: 19-469-3340 www.withersraveneLcom License No.C-0832 1' 7.0' STRUCTURE SCHEDULE PIPE SCHEDULE 5.0' STRUCTURE RIM SUMP STRUCTURE UPSTREAM DOWNSTREAM UPSTREAM DOWNSTREAM SIZE LENGTH 10' PUBLIC ELEVATION DEPTH STRUCTURE STRUCTURE INVERT INVERT (IN) (FT) SLOPE MATERIAL UTILITY EASEMENT 60'" RCP 4,0' B.M. 1:29:7, PC- ' 3 EXISTING CATCH BASIN INV.: 267.82' 60 RCP EXISTING CATCH BASIN FES 10 270.83 266.00 4.83 JB 31 FES 30 265.00 262.00 12 43 7.04% RCP .� -- - -- - .-.� --, � - - �.- � � - ®. m - - � � � � BASIN INV.. 267.55 RIM 276 50" EXISTING CATCHRIM: 276 36' -_ - - - m NV. IN: 267.95' RIM: 276.48 INV. IN: 268.01" W ,.� � - , __ _�. _ ___-- -.. ® .•-�° -- �, � ® ® ® .® ®, -•-. �. ®- ® ®, ® ..® �. � " FES 30 264.83 260.00 4.83 ® - ®rr� ® - w - -- `kl -- - - _.__ ;r, v„ - ---- - ;h! wv_ouT 2s7a4� __- �__ _ _ _ 4� _ .__� -_ INV. OUT:°_.___ _ _ HW 1 265.00 263.00 24 59 3.38% RCP® � m RISER 2 INV OUT 270,09' UT 267.94' - EXISTING SANITARY = - --- e-� -®- __ 2.83 RISER 32 JB 31 265.50 265.00 48 89 0.56% RCP __ _._._, `�� Ems,„ FH SEWER MANHOLE -- i RIM: 279.59' `ffi EOP 8 00 INV. IN(1): 261.76' G `-�� WATERFIELD DRIVE '2j>\�-- �- w - JB 31 273.00 265.00 YI 11 FES 10 268.86 268.00 12 31 2.74% RCP NV, tN(2): 267.74' (1) G -- C•- i NV. 1N(3): 26,.82' p¢��� - I" - - VARIABLE WIDTH PUBLIC R/W - 'j G o o q I RISER 2 272.00 265.00 7,00 E (2) ®• SMH B.M. 1 7, PG. 903 -=SS= � I INV. our: 2 67.8 c - -- - .,�,, I YI 12 YI 1 1 269.98 269.06 12 1 16 0.80% RCP SMH 'SS-- -SS- -SS "- --` EXISTING S ARY SS- .. - ASS® �3�279,_ _, �� SEWER MANHOLE y � RISER 32 275.00 265.50 9.50 ® _=-� = _ RIM: 27a.3s" - f 2> YI 13 YI 12 271 .10 270.19 12 183 0.50% RCP INV. IN: 262.48' P � 6$c YI 11 274.50 268.86 5.64 INV OUT: 262.41' - _ 1 It'll, ' YI Y 1 1 70 EOPa , _.. - - --® � 12 241 0.50% R P 90%' RCP YI 76 - -- - - - - _ ' 27575 98 YI 21 YI 20 271 .60 270.40 C BOC - __ - _ -- - - - LP4 - - - -- _2E INNS -> -P 274 - - - EXISTING CATCH BASIN .� - ® - _ - P -' - - _ _ �- __ _ ~� _ - 1 RCP - YI 13 276 .10 _ LPG .... .,_ co - 4 - 1 v - - - - �"`v-"-� F'd.P4 -® - � �_�,�,_�= � �- ..,..•-�--��-.. _ _ _ 9 - - - - - _ INV.V. IN: 267.05' -� � - -- - - - R - -- -- - - - TER WETLAND RISER 7 CHR9 R 660„ INV. OUT. 266.73' STORMWATER 0 7 0 2 1 4 --- -- - - ---27&., - - _ -_ _ _ TF WETLAN 17_ - YI 20 275.50 270.20 5.30 I V 2 27 3.. z>, sn�H `t to PUBLIC _ _. _ / j v.: 2ss:10' / DIMENSION DETAIL (TOP) UTILITY EASEMENT uM8 2 NOT TO SCALE EXISTING SANITARY :3 M. `997, 903 TW 286.00 0 - -' 68 -- - 60 RC SEWER MANHOLE 511 ` j T TW 286.)0 BW 286.00 1REELINE - Pa I j INV.: 266�.04, 42„ R YI 21 276.00 271.60 4.40 NV-: 66.12' RIM: 280.30' 280.42 "-,- L 4INV. IN: 262.10' 6.00 'UM INV. OUT: 262.05' of PNP4 �sV13 \ EL. 273.07 I I BW 8 ,4 PP PN8 --_ EL. 273.07 EL. 272.00 EL. 272.00 18" -oiIII o R c' WETLAND 268 - / / I I EL. 271.90 I ' N :1 A. R EA -1-8 5'-0" 5'-0" I ®) _ EL. 271.00 :. TW 286. 0 I 4'-0" I ' 4,000 P51 i s a 7 2$O. 2 I I I + - _ �� / + I o y 0 I (I T'W 286.00 BW 279.67 NON-INDUSTRIAL ems,' �' N i z$ AREA = 1.64 AC w I I DRAWDOWN l ' ICI 7 EL. 268.00 I �• ^`I /' COti ^^`^� + RPARENJE I RCP BASE OF WALL 3" ORIFICE IN 6" PVC EDGE I r 6 BOTTOM DRAIN TYPICAL RAISED CONCRETE ' ' , � ( 1 m ��" a., RCP t2`l V 24" RCP s" D • EL. 266.00 NOT TO SCALE I _ �-' �o �5s / + EL. 265.00 EL. 265.00 RCP I A C j + + EL. 265.00 ti� IsTRFFAGE `t367C60'9 / ( )UNCTION BOX 31 DETAIL JUNCTION BOX 31 DETAIL (OUTLET WALL) (WEIR WALL) FIQRTH WALL EAST WALL SQUTH 4Yi4LL VILEST MLL NOT TO SCALE NOT TO SCALE 277.25 .277.25 . �<< >>> 77 Sp /� STORMWATER WETLAND RISER WALL ELEVATIONS 277,50 I NOT TO SCALE # REFER TO 6" THICK WIER WALL OUTLET WALL C7 C.REACH WAY I ( / / 277.50 1/2" PREFORMED JOINT 7 75 ;CEM�NT TANKER �. ;` 277,00 ® P IMET S ALE (SEE DETAIL THIS SHEET) FILLER, 12" WIDE I ( 'I -.., ® ��� �� ` ' 277,25 ! D TA THIS HEET (SEE DETAIL THIS SHEET) FLUSH MOUNT MANHOLE RING & COVER ACCESS AGG BINS SILOS �,`; TOP OF RISER = 273.07' HAND WHEEL 6" SLAB TOP OUTLET PROTECTION �6.50 1 fl 276i25' i ��h (To TOE of sloPE) NOTE: PLACE STAINLESS LO ER I Q u ( as" RCP 8 MIN. STEEL STEM SUPPORTS D�r I 4 276 _0 276 00 ` (FROM RISER 32) RISER CREST (ALL SIDES) = 271.90' _ AT 3' O.C. III L E DETAIL : FLUME �HI SHI j o CYIL211'/ I 's 2' WIDE WEIR (ONE SIDE ONLY) = 271.00' �L - 2 6. 'STACKER j I r 2000 PSF MIN. 2 .00 FLUME ® 1 , 4' x 4 (I.D.) PRECAST 4.5' BEARING CAPACITY I 277.25 R' ,. ; 275.25 277,00 ' i REINFORCED. BOX 6" s" BENEATH COLLAR ( ® 276.00 ' ti� FLUME ;277 25 5 �ro�?, ~ THICK SIDEWALL MIN ' x 5' (I.D.) PRECAST REINFORCED ( ) / "' J BOX 6" THICK SIDEWALL (MIN) °F RCA -n-n MANHOLE STEPS • LIP /DRUM`RINSE / I ELEVATION SECTION I I I / WASTE !?AD ) S� IYI 131 DIsP6sAL/ 0) (SEE NCDOT 840.66) //D61NG e . e` JUNCTION BOX 31 DETAIL (PLAN VIEW) z( Ps NOT TO SCALE CONSTRUCTED WETLAND NORMAL POOL = 6" PVC 1/4"x 2" STEEL STRAP � ' -2�7,a0 � �' I' I � I I W/ 2 - 3/4" ANCHOR 1 _ 277.25 +27l50 j f Ma R�: 269.00 'O-RING' JOINT75 BOLTS 2 STRAPS R EO'D 2 `E277.75 ._~ "' Es 3•: ( WIDTH AS SHOWN ON PLAN 6" PVC TEE I w 277.00 ® i z z 6" C CAP GROUT EACH SIDE 1 1.5" HOLE DRILLED IN 6" PVC CAP ` I � � NOTE: 3.000 MIN COMPRESSIVE STRENGTH l 277.25 d I N N a; N CONTRACTION JOINTS SPACED AT 15'-0" O.C. Q AGGREGATE 276 li ;,2 BIN , FLUME 277r 50+- DEWATERING DRAIN ' ATTACH TEMPORARY RISER JOINT SEALED WITH A-LOK NEOPRENE 't ' / i .••' AGGREGATE i I' 0.30' BIN!z SECTION DURING EROSION GASKET OR APPROVED EQUAL 1 277,00 ^ i I a a.�, 8�. CONTROL PHASE OF PROJECT hj° /� �_n CAST IN MANHOLE WALL 277.25 s ( IFS 30 \. 20 a a s a a s a / / SCOU / `° d a a° = 6" DIP 24" CLASS III RCP ANTI-SEEP COLLAR ��- �, POND BOTTOM 266.00' 276.75 -_ / \: e € = ''/ ' / / f INV. = 265.00' NOT TO SCALE / I HOLE f, °,f j � = \ 1 `277.2I - f,,, :.',�;.i,•``i J \.• �fi'\/� % `\ 4, `,.a;.,. �A ` `b\ f '\ 'i� ;.,°`� ``.`,1.. F;.,\. /' \ f..,\ , �^ A.r'�/f�f', ,. 0 t \'.• ,. . .. .Cl//ff��j/j, ROUT REFER TO RAISED 1 2775Q Zo' ` '•\��.` `.\ . p / € e a. 6„ COMPACTED SUBGRADE � f� /`;�, f•';•, ,/ \ ``ti°z,,.S,� •.e ••I'• .. e :°: ° �•'14 0 CONCRETE EDGE TOP FANTI-FLOATATION I '.o •.a 0 0 a DETAIL THIS SHEET � � �9 ,� ,, � ��; ' TYPICAL CONCRETE FLUME N '�°aa •" . • •Qe °' •® •.•.;;- . ; •.:a 2.77.50 _ INDUSTRIAL . N.C.G.S. MONUMENT N 277,75 ,' AREA = 0.67 AC 1 NOT TO SCALE e ° ' 4" NRS GATE VALVE e "SAUSAGE + f 7' x 7' 2773,S " j ` 277,5,0 \ 6' GRAVEL SWALE WIDTH MIN. 3' (SET IN GROUT) i p � CONC�ETE ' = N LOCK - MATERIAL 'r i' OCESSING �� i5TORAGE � ;`; MIN. 19e' SLOPE STORMWATER WETLAND RISER DETAIL } 3.1 SLOPE NOT TO SCALE GRAVEL\ 276,75 / ^' % *, i '• D AISLE 6- RIVE ® i 27$O0 278 00 TOP OF DAM EL.= 272.50 Z M IYI 121 j j 25 STORMWATER NOTES: STABILIZED SHOULDER /. _ 100-YR WSE 272.02 N 277.50 2 6.50 / 275.8 ��� AND GRASSED RCP RISER I I=III=III_ I i 1=I 1=I I I- Z w I 277. 5ry� / 26 1. THE CLAY LINER FOR THE CONSTRUCTED WETLAND SHALL BE (11=' III- (SEE DETAIL a / ` I " III=' -III TEMP WATER QUALITY POOL 270.00 THIS SHEET) - 1) �6 AT LE HI H I SPECIFICATIONS: PERIMETER III_I' I,II - - - - - - - - - - - - - - - AST 12 THICK AND MEET THE FOLLOWING SPEC F CATIONS• TYPICAL R SWALE NOT TO SCALE I I=1 I=) PLANTS 12" O.C. _ - .� ® - EARTH DAM z ) / p) s UNIFIED SOIL CLASSIFICATION SYSTEM DESIGNATION OF CL, CH, ML,SC it 1I1 III - ORMAL POOL 269.00 - --' { I I-I I I I 1=1 11=1 I I III ! I / ® MINIMUM OF 40% PASSING #200 SIEVE II II-- II II.='11-III=III=III=III-II I -II _ =.11 a 1 MINIMUM PLASTICITY INDEX OF 12 4« (MIN) M ( I 274,50 TOPSOIL LAYER II=III-III-11 I=111-IIIIII-III- I_ -III T= MAXIMUM PERMEABILITY OF 2.5X10 CM/SEC (0.035 IN/HR) 111�III:• 4 -III= - I=„- ' DOWNSTREAM INVERT= 263.00 I - I Ps' 1 I-•:.•: ...-III=Iil=1 I 1=1 - CONTRACTOR SHALL COMPLETE A MINIMUM OF 2 TESTS OF EACH ABOVE II , -I' '�'=lil= 8, ( FOREBAY SHALLOW LAND SHALLOW WATER DEEP POOL " -11�=�-_( PARAMETER ON LINER MATERIAL AND PRESENTED TO ENGINEER FOR APPROVAL. � 267.50-269.00 269.10-270.00 268.70-269.00 266.00-269.00 N.c.G.s. MONUMENT ""BANK N ( ® COMPACTION TO A MINIMUM OF 93% PER ASTM D698, AND WITHIN 3% OF THE t700 SF t2,875 SF t2,875 SF t750 SF NAD 83 (NSRS2007) I I I OPTIMUM MOISTURE CONTENT (1 COMPACTION DENSITY TEST PER 2500 SO. FT.) ANTI-SEEP COLLAR N.C. GRID COORDS. ° N: 713,005.12 c E. 2,123,422.49 j I 1 '' RIPRAP LINED ° C.G.F.: 0.99989216 I J THE CLAY LINER SHALL BE PLACED UNDER THE WETLAND BOTTOM AND SIDE SLOPES TO STORMWATER WETLAND CROSS SECTION DITCH TO CREEK s 50, / AN ELEVATION OF 269.50 FEET. A MINIMUM OF 4 INCHES OF TOPSOIL SHALL BE THE NOT TO SCALE �o - 5o' FINISHED GRADE AS SHOWN. CARE SHALL BE TAKEN WHEN TRACKING IN THE TOPSOIL TO N V p TREE PROTECTION NOTE: �9�°68- ' NOT PUNCTURE OR DAMAGE THE CLAY. A CLAY/SOIL MIXTURE MAY BE USED IF THE ABOVE SPECIFICATIONS ARE SATISFIED AND WITH WRITTEN APPROVAL BY THE ENGINEER. 1. TREE PROTECTION FENCING INSPECTION MUST BE COMPLETED BY THE TOWN OF GARNER E.., W c�o�o I i �o= a` PLANNING DEPARTMENT BEFORE A GRADING PERMIT IS ISSUED BY WAKE COUNTY. i HW q) / �0 2. CUT AND FILL SLOPE 2H:1 V OR GREATER SHALL BE STABILIZED WITH PERMANENT Z I ` 2>>_ SLOPE RETENTION DEVICES OR A SUITABLE COMBINATION OF PLANTINGS AND a Z RETENTION DEVICES. SLOPES GREATER THAN 3H:1 V SHALL NOT BE STABILIZED SHALLOW WATER COMMUNITY (NORMAL POOL TO 4" BELOW) = 2,875 S.F. 50 PLANTS/200 S.F. = 720 PLANTS WITH TURF GRASS BUT SHALL BE STABILIZED WITH VEGETATION THAT REQUIRES COMMON NAME ROOT CALIPER HEIGHT NOTES MINIMAL MAINTENANCE: WEEPING LOVE GRASS, RED FESCUE, OR OTHER APPROVED HERBACEOUS 140 Iris versicolor Blue Flag Iris CONT. 4" Pot 36°O.C. GRAPHIC SCALE , STORMWATER WETLAND NOTES: o ! VARIETY. 145 Juncus effusus soft Rush CONT. 4" Pot 36"O.C. l TPF TPF I in i v 40 0 20 40 80 T F / P 225 Pontedaria cordata* Pickerelweed CONT. 4" Pot 36"O.C. 1 . TRANSITION FROM DEEP POOL TO SHALLOW i Z 3. GRADING PERMIT SHALL NOT BE ISSUED UNTIL THE TOWN OF GARNER HAS RECEIVED WATER SHALL HAVE MAXIMUM 1 .5:1 SLOPE. c - 110 Saururus cernlPus Lizard's tail CONT. 4" Pot 36"O.C. x A RECEIPT OF PAYMENT. N I W 100 Schoenoplectus tabernaemontani* Softstem Bulrush CONT. 4" Pot 36"O.C. 1 inch = 40 ft. ° " ' ' / < S 88°43'OS" E, s1.s4 4. PROJECT SHALL MEET ALL REQUIREMENTS RELATIVE TO BEST MANAGEMENT PRACTICES *SPECIES TO BE PLANTED MAINLY IN THE TRANSITION ZONES(4"-12"DEEP) 2. SURFACE AREA AT TEMPORARY WATER �� \� _ - i - ` i J� Rs -' 1 AND ENGINEERED STORMWATER CONTROL STRUCTURES AS OUTLINED IN THE NCDENR °°o50000000000°°°° QUALITY = ±7 200 SF RYPJRAP CHANNEL` " ' NAD 83G(NS s Pam- - -���� i��� -2�2 z�1 z�° WITH 3: 1 SIDES AND ' BMP MANUAL, CURRENT EDITION. SHALLOW LAND COMMUNITY (NORMAL POOL TO HIGH WATER) = 2,875 S.F. 50 PLANTS/200 S.F. = 720 PLANTS °°°oo��N°°°°°RO��°°° N \ N.C. GRID GOORDS. i �r 9' s - _ 6 V ' o° Q°°° °°°o/�j °o C N: 702,146.60 '26 v $' 6�2 BOTTOM WIDTH AT S > PLANT TYPE KEY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES ° °° FESS�� °°9 00 DEEP POOL AREA (±1,450 SF) 113 E: 2;131,341.8o REFER O RISER '2 2.5% SLOPE SUBJECT a0`2sg.?e2 / 5. AT THE CONCLUSION OF THE PROJECT ALL BMP s INSTALLED ON MUST BE 217 Asclepias incarnata Swamp Milkweed CONT. 4" Pot 36"O.C. ° CERTIFIED BY A DESIGN PROFESSIONAL AND THE TOWN OF GARNER ENGINEERING HERBACEOUS OUTLET DETAIL TO DWQ BUFFER 220 Carex stricta Tussock Sedge CONT. 4" Pot 36"O.C. DEPARTMENT MUST RECEIVE ALL AS BUILT DRAWINGS PRIOR TO RECEIVING THE ° ® THIS SHEET ENCROACHMENT 215 Lobelia cardinalis Cardinal Flower CONT. 4" Pot 36"O.C. ° 0 9 ° SHALLOW WATER AREA ±2,875 SF CERTIFICATE OF OCCUPANCY. NOT APPROVED � CA RUCTION ( ) 35 Aronia arbutifolia Red Chokeberry CONT. 3 Gal. 18"-24" 36"O.C. o °° FHG 1 NEF-�°° 6. FOR OUTLET DISSIPATOR DESIGN, SEE EROSION CONTROL PLAN SHRUBS °ooC °OOoo°°°°oo° 20 Cephalanthus occidentalis Buttonbush CONT. 3 Gal. 18 -24 36"O.C. o°o.97 �� 00 0 SHALLOW LAND AREA (±2,875 SF) 13 Ilex glabra Inkberry CONT. 3Gal. 18"-24" 36"O.C. oOOooGooMo�oo°°o° 0 w i a0 No. Revision Date B Designer ! Scale 1 1st Pion Review 1 1-30-1 1 CMD LM CMD Sheet No. 0 2 PLANNING COMMISSION 12-20-1 1 CMD Drawn By DateE G L E R,'ON CK" C o TLM 11 15/11NA D I N G R"' A I I NA G' E P L A IN' I ENGINEERS I PLANNERS I SURVEYORS Checked By g lob No. CMD 02110380.00 Town of Garner Wake Count North Carolina 111 MacKenan Drive Cary, North Carolina 27511 tel:919-469-3340 www.withersravenel.com License No.C-0832 C20 e Y SEEDBED PREPARATION: 1, CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3-INCHES DEEP OVER ADVERSE SOIL "BENCHMARK" TOP OF FLANGE BOLT 10 PUBLIC CONDITIONS, IF AVAILABLE. ELEVATION: 282.13' UTILITY EASEMENT 60" RCP APPROXIMATE LOCATION NAVD 88) y` - ""`.: J0-: EXISTING CATCH BASIN NV.: 267.82' 60" RCP EXISTING CATCH BASIN 2. RIP THE ENTIRE AREA TO SIX INCHES DEEP. OF UNDERGROUND GAS ( EXISTING CATCH BASIN ;1 r:: RIM: 276.50' EXISTING CATCH BASIN INV.: 267.85' RIM: 276.36' 3. REMOVE ALL LOOSE ROCK, ROOTS AND OTHER OBSTRUCTIONS, LEAVING SURFACE REASONABLY �. - - - - - - - - - - -, � m,."�9 � � � � �LJ�E- - - ® - - -.. - - - - RIM: 278.46' .- � � � � � � � ,. ,�„ INV. IN: 267.95' RIM: 276.48' INV. IN. 268.01' ._. _. " 1/t a - es -� NV. IN: 270.75' - -_ FFI -_ tdtt --. __-_ .__ �� - ._ _.---- -.__-- tt _ -- '. .-- -___-._ -_� .,, -_--. _ __._-- E INV. 26Z84- - NV OUT 270.09 "�.,' i _..,. NV. OUT 26794 _, t:t _ _ _.___ NV. OUT: 270.66' SMOOTH AND UNIFORM. ® ' __ a `N $� - - ® - ® ® ® - - 4. APPLY AGRICULTURAL LIME, FERTILIZER AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL FH I EXISTING SANITARY --- �-` 7r_=® - - ®...�. _---° -- �,.--�,� � � � � 4 RAP 42" RCP 2 SEWER MANHOLE �' m^� - _"� ._s � � -; � €s # _ RE BELOW) RIM: 279.59' �_ G EOP APPROXIMATE LOCATION ER FO MIXTURE (�) --- S ---� WATERFI ELD DRIVE 2>>. -- ,L_,a. Nv. IN(1): 2s1.76' '8, �, - - Q V - C OF UNDERGROUND GAS 5. CONTINUE TILLAGE UNTIL A WELL-PULVERIZED, FIRM, REASONABLY UNIFORM SEEDBED IS INV, IN(2): 261.74' _ e VARIABLE WIDTH PUBLIC R/W tli LINE PREPARED 4 TO 6 INCHES DEEP. INV. IN(3): 261.82' OP / °"" ,SMH �. ,y _. _SMH INV. OUT: 261.64' oec _ ---SS-- -- --ss--- -SS --- - - �ss- --- = =-=ems= ®- ---_ - � _ a ss- ss- --- -ss 6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT c W:,_" SMH r - - - - 'EXISTING S ARY CONSTRUCTION ION -- SEWER MANHOLE U C T tlS3�279 -_, -� Exlsrwc SANITARY OR CULTIPACK AFTER SEEDING F �® RIM: 278 39' ENTRANCE �� 276 SEWER MANHOLE- - -279 " INV. IN: 262.48' �� aa �a P RIM: 278.19' 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. o LIMIT 0 - -® -.•.-._ _- q - - - s aF �c �9 INV. OUT., 26 .41 _ --"-""' "' ''""` yL INV. IN: 266.57' DISTURBANCE (TYP) ' ' INV. OUT. 264,35' 8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE -. �-_„ _-� - -�°„ - -__ ,_, -�°� _ - � - - � AN DAMAGED, RE-ESTABLISH -- - LP- - - - _ - P T3 -- - PIP 51 275 -- ON, IF 60% D D, Boc° z tIN _ _ - ___ _' - FOLLOWING STHE ORIGINA�SLIMEE FERTILIZER AND USEEDING RATES. -- -- _ - H BASIN ® - _ - - - o __ - - - - - - - R M T27 .41' _- -- --�-� - - - _ 9. ON MAINTENANCE TREATMENT AND FERTILIZATION' I V.: 267. INV IN 267os' CONSULT S&EC ENVIRONMENTAL ENGINEERS AT _278 s .,..� ,�. � � 77 ,•,, . , , _ car cNez 60„ wv" our: 26s.73' AFTER PERMANENT COVER IS ESTABLISHED. �. 1 o PUBLIC _ _ TF W ETLAN 17_ V _ __ .: 266:10' UTILITY EASEMENT �,� 0 268-- - 60" RC / EXISTING SANITARY �' _ G`. 9C3 SEWER MANHOLE o t TREELiNE GUMS,• INV": 26�04 42 R !Nv.: s6.12' ® MIXTURE RIM: 280.30' ' AT U P U I GUAaf P ti NV. IN: 262.10' YUmtb WV. OUT: 262.05' �I i :i I r1 `I Prat' -" ` ' _ AGRICULTURAL LIMESTONE 2 TONS ACRE 3 TONS ACRE IN CLAY SOILS - 268 - 1,000 LBS/ACRE - 10-10-10 WETLAND / / FERTILIZER AREA 1-8 SUPERPHOSPHATE 500 LBS/ACRE - 20% ANALYSIS a • / MULCH 2 TONS/ACRE - SMALL GRAIN STRAW , ASPHALT EMULSION AT 300 GALS/ACRE o' + + ANCHOR + �F P N , w 2�� , f "`' / SEEDING SCHEDULE � I FOR SHOULDERS, SIDE DITCHES, SLOPES (MAX 3: 1): W m f 1 0 % 50' NEUSE RIVER 2S :'23 E , . _ ry ryr.^ ^� + RIPARIAN BUFFER DATE TYPE PLANTING RATE AUG 15-NOV 1 TALL FESCUE 300 LBS/ACRE 6 NOV 1-MAR 1 TALL FESCUE & ABRUZZI RYE 300 LBS ACRE � 11 I - V / + / z287.2£ � - % c� + MAR 1-APR 15 TALL FESCUE 300 LBS/ACRE �� i APR 15-JUN 30 HULLED COMMON BERMUDA GRASS 25 LBS/ACRE _ JUL 1 AUG 15 TALL FESCUE AND BROWNTOP 125 LBS/ACRE (TALL FESCUE) MILLET OR SORGHUM-SUDAN 35 LBS/ACRE (BROWNTOP MILLET); HYBRIDS*** 30 LBS/ACRE (SORGHUM-SUDAN HYBRIDS) EROSION CONTROL MAINTENANCE PLAN: '1 30• FOR SHOULDERS, SIDE DITCHES, SLOPES (3: 1 TO 2: 1): �; ! I' /r JO- 1. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR SLOPE STABILIZATION f {` ti� STABILITY AND OPERATION FOLLOWING EVERY RUNOFF-PRODUCING N 5: 1 CUT SLOPES I I % �rt RAINFALL BUT IN NO CAS THAN N EVERY WEEK. ANY N DATE TYPE PLANTING RATE 0 2 j I E LESS ONCE E E EE NEEDED WITH NORTH AMERICAN 'I 2�� ,, SLOPE STABILIZATION REPAIRS WILL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS MAR 1-JUN 1 SERICEA LESPEDEZA (SCARIFIED) GREEN SC150 OR I �s ON 3: 1 FILL SLOPES DESIGNED. EQUIVALENT (TYP) ' jYu 21f' I WITH NORTH AMERICAN AND USE FOLLOWING COMBINATIONS: 50 LBS/ACRE (SERICEA LESPEDEZA); I nI I < GREEN SC250 OR 2. ALL CONSTRUCTION ENTRANCES WILL BE PERIODICALLY TOP DRESSED WITH MAR 1-APR 15 ADD TALL FESCUE 120 LBS/ACRE EQUIVALENT TYP AN ADDITIONAL 2 INCHES OF #4 STONE TO MAINTAIN PROPER DEPTH. ANY _ (TYP) MAR 1 JUN 30OR ADD WEEPING LOVE GRASS 10 LBS/ACRE ' SEDIMENT THAT IS TRACKED INTO THE STREET WILL BE IMMEDIATELY ( 1 f REMOVED. MAR 1-JUN 30OR ADD HULLED COMMON BERMUDA GRASS 25 LBS/ACRE �YI'113� r ; w ;1 ) JUN 1-SEPT 1 TALL FESCUE AND BROWNTOP MULLET 120 LBS/ACRE (TALL FESCUE); f 3. SEDIMENT WILL BE REMOVED BEHIND THE SEDIMENT FENCE WHEN IT BECOMES o s' PS OR SORGHUM-SUDAN HYBRIDS 35 LBS/ACRE (BROWNTOP MULLET); - II Z *** ,, 1 �1 0.5 FEET DEEP AT THE FENCE. THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. SILT FENCE STAKES WILL BE SPACED ) 30 LBS/ACRE (SORGHUM-SUDAN 6 FEET APART UNLESS A WIRE BACKING IS USED WITH 8 FOOT STAKE HYBRIDS 15 2a ii j o o SPACING. SEPT 1-MAR 1 SERICEA LESPEDEZA (UNHULLED - 70 LBS/ACRE (SERICEA LESPEDEZA); �ISER '3 " N . / i W t UNSCARIFIED) AND TALL FESCUE 120 LBS/ACRE (TALL FESCUE) ' 1 j o < PERIMETER GRAVEL SWALE 4, INSPECT THE INLET PROTECTION FABRIC AFTER EACH RAIN AND MAKE e1 r Y REPAIRS AS NEEDED. REMOVE SEDIMENT FROM THE POOL AREA AS NOV 1-MAR 1 AND ABRUZZI RYE 25 LBS/ACRE TREE PROTECTION (REFER TO DETAIL ON FENCE (TYP) s 1 I, i= SHEET C2.0) NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN. rta a; TAKE CARE NOT TO DAMAGE OR UNDERCUT THE FABRIC DURING SEDIMENT H k 1 CONSULT S&EC ENVIRONMENTAL ENGINEERS FOR ADDITIONAL INFORMATION CONCERNING OTHER " ; I jFES 30 ao REMOVAL. WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN ALTERNATIVES FOR VEGETATION E DENUDED AREAS. THE ABOVE VEGETATION RATES ARE THOSE ADEQUATELY STABILIZED, REMOVE ALL MATERIALS AND ANY UNSTABLE THAT DO WELL UNDER LOCAL CONDITIONS; OTHER SEEDING RATE COMBINATIONS ARE POSSIBLE. SEDIMENT AND DISPOSE OF THEM PROPERLY, BRING THE DISTURBED AREA ' � = y TO THE GRADE OF THE DROP INLET AND SMOOTH AND COMPACT IT, N , a uw '. 2° *** TEMPORARY: RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED PERMANENT VEGETATION. DO =z-- APPROPRIATELY STABILIZE ALL BARE AREAS AROUND THE INLET. NOT ALLOW TEMPORARY COVER TO GROW MORE THAN 12-INCHES IN HEIGHT BEFORE MOWING; 5. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY, AND OTHERWISE, FESCUE MAY BE SHADED OUT. n , 7 MULCHED ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE PLAN TO ®; "SAUSAGE""o"uMENr MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. BASIN REMOVAL SEQUENCE 6. INSPECT TEMPORARY SEDIMENT TRAPS AFTER EACH PERIOD OF SIGNIFICANT N RAINFALL. REMOVE SEDIMENT AND RESTORE THE TRAP TO ITS ORIGINAL 1. SCHEDULE A SITE MEETING WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT TO DETERMINE IF A DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE THE BASIN CAN BE REMOVED. INSTALL SILT FENCING OR OTHER TEMPORARY EROSION CONTROL 1 n ; A PRIOR T REMOVAL F DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN MEASURES S NEEDED 0 0 EMOV L 0 THE BASIN. THE DESIGNATED DISPOSAL AREA AND REPLACE THE CONTAMINATED PART 2. REMOVE BASIN(S) AND ASSOCIATED TEMPORARY DIVERSION DITCHES. IF CULVERT PIPES NEED TO M M �' P130T TION' ` I THE GRAVEL FACING. CHECK THE STRUCTURE FOR DAMAGE FROM EROSION i BE EXTENDED, PERFORM THIS OPERATION AT THIS TIME. FINE GRADE AREA IN PREPARATION FCR W (TYP) �' 25 OR PIPING. PERIODICALLY SEEDING s 3. PERFORM SEEDBED PREPARATION, SEED, MULCH AND ASPHALT TACK ANY RESULTING BARE c I 7. CHECK THE DEPTH OF THE SPILLWAY TO ENSURE 11 IS A MAXIMUM OF 1.5 uj AREAS IMMEDIATELY, o �I II QI _ FT BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY FILL ANY z I M F THE EMBANKMENT TO SLIGHTLY ABOVE THE DESIGN GRADE. 4. INSTALL VELOCITY DISSIPATORS AND/OR LEVEL SPREADERS AS REQUIRED ON THE EROSION SETTLEMENT 0 CONTROL PLAN. ' ANY RIPRAP DISPLACED FROM THE SPILLWAY MUST BE REPLACE IMMEDIATELY. 3 if� m� 5. WHEN SITE IS FULLY STABILIZED CALL ENVIRONMENTAL ENGINEER/CONSULTANT FOR APPROVAL 2� COMBINATION SILT / TREE 8. AFTER ALL SEDIMENT PRODUCING AREAS HAVE BEEN PERMANENTLY OF REMOVING REMAINING TEMPORARY EROSION CONTROL MEASURES AND ADVICE ON WHEN SITE 8`` �Yi 11 % PROTECTION FENCE (TYP) STABLIZED, REMOVE THE STRUCTURE AND ALL UNSTABLE SEDIMENT. SMOOTH CAN BE ISSUED A CERTIFICATE OF COMPLETION. CN N.c.G.s. MONUMENT "BANK' N 1 THE AREA TO BLEND WITH THE ADJOINING AREAS AND STABLIZE PROPERLY. NAD 83 (NSRS2007) N.C. GRID cooRDs. NOTE: A MEETING SHOULD ALSO BE SCHEDULED WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT N: 713,005.12 z:27s72 9. ALL DISTURBED AREAS WILL BE STABILIZED WITHIN 15 CALENDAR DAYS OF a E: 2,123,422.49 TO DETERMINE WHEN A BASIN MAY BE CONVERTED FOR STORMWATER USE. G.G.F.: 0.99989216 CEASE OF ANY PHASE OF ACTIVITY. THIS INCLUDES SLOPES, SWALES, so' so, STOCKPILES, AND ANY OTHER UNSTABILIZED AREAS. IV\1lrR 1 00 6jsC � N rr N V'B 1 i N N 3 c�'oG2o 1 N tio= a` RIP Ia,4P ®ISSIPAI'OR SIZING ER STRUCTURE PIPE DIA BEGIN END APRON STONE THICKNESS Z �� �l �o= ID# (IN) ZONE WIDTH (FT) WIDTH (FT) LENGTH (FT) CLASS (IN) o � ; JB#31 48.00 2 12 14 24 B 12 s v / FES#30 12.00 3 3 5 8 1 18 0 1 s w HW#1 24.00 1 6 6 8 A 10 GRAPHIC SCALE ! O P v 40 0 2O A 40 80 IV a' S 88°43'05" E 304.99' l 1 inch = 40 ft. " E/ 61.64' ss S 88'�3'OS' o IPFppppppOpppoo A°p°o°QOOO J� \ EXI G IRON PIPE 2�1CN RQ o 0 N.C. GRID COORDS. 69 -- -` 6 00 0° FESS/� 00 '9 00 NAD 83 (NSR Z 2 a V� ' N: 702,7 RS20 ''_2 6a ' s o00 0�0pOESS/ 00�/A.o000 0 o Y o 0 o E: 2,131,341.80< p y '�� - 2 20 06\ 63?62 e o 0 4 0 NOT APPIPOVEDOMR9CASIRUCTION 00 oo / o o °�I o C'°°;;HG I NEB,`,° v �G°O M.DV`ppp � °p0°000000000 0 W Sheet No. No. Revision Date B Designer Scale 1 1st Plon Review 1 1-30-1 1 CMD TLM/CMD 1" = 40' 0 2 PLANNING COMMISSION 12-20-11 CMD Drawn By EAGLE K%,ju1\ Col"'IN' CrRETE PLANT TLM Date 11/15/11EROSlu" N PLAIN' rr"hu" ST ' Checked By lob No. ENGINEER I PLANNERS I SURVEYORS CMD 02110380.00 Town of Garner Wake Count North Carolina 111 MacKenan Drive Cary, North Carolina 27511 tel:919 469-3340 www.withersravenel.com License No.C-0832 C6 . 1 i Y