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HomeMy WebLinkAbout20081095 Ver 1_More Info Received_2008102069 SPANGLER ENVIRONMENTAL, INC. Land Planning • Permitting • Environmental Consulting • Construction Management • Expert Testimony October 20, 2008 NC Department of Natural Resources Attn: Cyndi Karoly 2321 Crabtree Boulevard, Suite 250 Raleigh, NC 27604 Re: Greenway - Johnson Property Durham County, North Carolina DWQ Project # 08-1095 Ms. Karoly: g@vvg D 0c, 2 0 noa . WA?Ft °Up? B CF1 Spangler Environmental, Inc. (SEI) on behalf of Cimland, LLC, is submitting 5 copies of the following requested information and response to comments from your letter dated September 22, 2008 for the above referenced project, located along Chandler Road, north of NC 98 in Durham, North Carolina. 1. Please submit a Level Spreader Supplement Form with all required items for each proposed level spreader. • Please find 5 copies of the Level Spreader Design Narrative which included all required information for the Level Spreaders. Please refer to the plans that were submitted previously to reference the location and details of the proposed level spreaders. If you have any questions, or require additional information, please contact me at 919-875-4288. Sincerely, Spangler Environmental, Inc. Thomas King Project Environmental Scientist Enclosures 4338 Bland Road Raleigh, N.C. 27609 tel 919-8754288 fax 919-875-4287 3961-B Market Street Wilmington, N.C. 28403 tel 910-343-9375 fax 910-343-8351 1-866-SPANGLER www.spanglerenvironmental.com REENW Y LEVEL SPREADER DESIGN NARRATIVE PLUNGE POOL DESIGN NARRATIVE Gree h a rl :.a - : 7 rl arr ; ?1f C ?rolina 6rlh rv ui 0511.E Prepared fors Cimland, LLC 18 Jest Colony Place. Suite 140 Durham, North Carolina 27705 (919) 465-3312 Prepared by: Horvath Associates, P.A. Enaineers _ Planners - Landscape Architects P.O. Box 51806 Durham, North Carolina 27717 (919) 490-4990 TABLE TENTS 1. NARRATIVE . N WQ LEVEL SPREADER SUPPLEMENTS 3. DESIGN SUMMARIES . VELOCITY I IP T R DESIGN 5. LS 2 IOW FLOW ORIFICE CALCULATIONS . LEVEL SPREADER AERIAL PHOTOS . OPERATIONS D MAINTENANCE AGREEMENTS NARRATIVE ascr LS . 2 Irv; . t" M`.' ,)reader an o =t L EV.;, 1 IS L i , :w so R wol l outo °'1 . n. L 2 will hc- a' ',in from the per hour storm, 'his \,\atEK-CIL r -x Ad r5?; ?rA the own! _ass t roug 11 Ca elc _ r : kr and - buffer -n 1, cis, s is L( J „st?-.r;reor, _ lev e; a)r 3?.dr wa Y`sl d 3?I E £,i u...i-:3d cover .. .:. 3? i? or .. ICa 5Let} l Spreader >}yew. M? 3 a uh; _e =f or ', ,,.. s 1, ei srrwe _ of 6.5, 50, or 40 feet per 1 A car ass. -,- on e ve ei ( -! buffer . ` J frsom 1"/hr s° _ base-,-,,' j `7 phot€ s sf 3ow ? Iii? O L S2- Nk, W LEVEL SPREADS SUPPLEMENTS NCDENR Filter Strip or Riparian Buffer Characterization (if applicable) of i nc 4hP ...vingwaEer Ate 3?, W? Level Spreader 0Psign't Ord ? '? .'''G eel of 1e , ft? ' Aoswe" '0, Let _ n1? S a s,, device prravided? (Y or N! f' T Ate ?a N t y ('y N Y N, 5.36 cfs N >",' or N F r R,K",?:*n E,• T' " F. " Par's r iid 'i Dovgn Swnmary. va+ga 1 ,& 2 fur.=rr S 4J1-'???u€., Ss Ac, ....;.+ 7 E Ai r. Pkt, 5 pads 1.. aru9 11. Gesgn *&M^mary „ (i, fr- 2 0 2 CHECKLIST .r.:. c , Are 4i,to , 1 Ye ArrAtai package will -M R a o„,_ mi ss f , - - . , Aq e, fn?' present, 1 A cor ...-t Until the enbre T' Wd<;' :xns r x 1 A car, ; -e d si ?n and maintenance (CAMi agreement, z FMM Sv>>01 s n' y" i nww E2 o ` Part It page t of ? A D F LEVEE. SP EADEF, ? STRP M"411RESTORUI - RARiAN SUFFER SIP ,,.', ENT i PR,0-J,E,T NF,-0RM T10N - - - - -------------- DESIGN 1NFOR€,4T;O d °'arn a RR r . .' e>'.? rr?E rr 7 Fitter Strip or Riparian Buffer Charadenzation (if applicable) 50, :aier ; U frrci (f Or N) Level Spreader Design 42,00 need, -, 1 ?.. ...... ? . l« ?;r ;,ed r the ` n? t ;. t -?d ?r the _yr c x ,th basatd on t.e B416 r , fv .., ". sr r w ?.. 2.73 Is a bypass dev provide" 'Y Parts :ate li C s,gn 5 m rs .3rr, raq,» 1 ("1 2, Form 5'VM0 1 -0, 'f Sv"i De,;4q,, Svmmlr;, page 2 of 2 , REQ?)IRED iTEI CHECKLIS n I 'n incomplete; tnatatDacki ewill result in additrnn. • ? ;-r-; ? TNs will dr' fin ar? ?i:,Prova ,_..:: pr,?ie't. In, If 3 requirement ., ? nf, "w r r " l' tf =o ,. , rE: Pr -_ = 2(,or r > >r) sho rn ; r y d 'egetat t! iows the type tlri6t; from sed t . entire 7. A copy of the s=gned,, notarized ---ration. and maintenance jOWj agreement. 8. A copy of, he tfeed n-I c- rs , Form S:. ;^ ' , ,Spr% ? ? l?rr.? ! ip ran fad rtg -?? v..`* Part 1tf 1 4 1 DESIGN ARIES Preformed Scour Hole Design Summary A,°.a"?cp,10i ? VC Le,. ,e! S' { e ._ 09, Ja Soo3r }' 'D LS1 E -o Se-`ion ID HV`v 1 s sort =v? LDrainac:- t c - DP 4.. Drain,-I, (ea aa( } 1 30 '-I 3ona (, v; ` " jioe desigr. 1': O.6 / } p u,. ")-Year .. or " Pipe fs) 'iOLO 1O-yc:,or storm, '_. t; k ow (cfs) :. . '" Cover type grassed Vegetated buffer distance to strearn f tt 71 Min, Allowable Base Width of Scour Hole f ft} 4. rovided Base Width of Scour Hole (ft) Nate: `LS 1' is a plunge pool with a level spreader apron as a NC DWQ design option Level reader Design Summa a End F,,, :r (se Sl) DP 12 :a (acres) 4P.2 1 A isee i t ?)ip j 0-year storm .. .; ; ea tI cJYv a Cover type grassed Vegetated buffer distance to sfrear-n ; 50 Length of level spreader per 1 cfs 13 Required level spreader length (ft) 3 Provided level spreader length ; ;? 36 Impervious area to level spreader (sq ft) 95,832 Required forebay size (0.2% imperv.) (sq ft) 192 Provided forebay area (sq ft) 200 Crest Elevation 299.50 Nate: 'i 5 V is a plunge pool with a level spreader apron as a NC DWQ design option Daw W t f".t1rt ii3ti{rn For Rim,,ff Coefficients - - ------ --- -- v?, iIII pr1 r. ; %g 6.z.. .. UVI Iit.!4J1 rI tIVJ - V.-'V -.4 .... ev v :3N Oas? I trti i)aIfai,[ t}rtin.u T)l lina? ia.,lervious In,1,rr,ials It€wytni q Vtf,ious Prnlouz fermi,€au5 ttm"OfT ttittl?fT IMP ID r10 ?ttrl?" ?'IrratC ?urfacf ?orfarrr 1,urf3(r tiurfakYV It it,act, f )Or ient t?ue?rien4 lrru trPa f? ifv.11 c4 .. = lii.": ` ;•; TP?'•?'t l[l'2I ,d -? ?t? °o tZItji?EI"4 .?.„? ?? € { xcrt,l {)Yr LS 2 r '. - ...... _ - _ m_ - - : - - _ ...._ _ _ j € t 1 '2 ? t IZ° - 1. v - - --------- - - - - - 1 S2 {} I sB 5 I ? 14 €;® 4 ,{n -1 S ('I38i1 I, I tYS 1?k 1.-42 0',? I is 1 025 14 6,1 Hs 4 -,.1 { 1{ r I.51 02 1{3. + 15 tS,276 I't+ 13x6 I. i i 0 , 11. ,1 0 01) 3,920 0 " n-:1 0 20 ss 57 LS 1 LS 2 Total Area to LS 1 = 1.30 Acres Total Area to L 2 = 4.21 Acres Impervious Area to LS 7 = 0.73 Acres Impervious Area to LS 2 = 2.20 Acres Composite C- Value = 4.67 Coco osite C- Value - 0.64 L T DISSIPATOR DESIGN S4 ..fr 3p. ;?r??= . ,.?- ? _.?? ?..., 7 ?? ?} ? ? 4f '{ ? y 1 J 3vi. M'.? -- LS 2 LOW FLOW ORIFICE CALCULATIONS ?, .? :? ?A '?,,, ?°`?, ?..°_ ? ? ? ?.. d . , ? ?? t ,.-.?.. .. `? - . a ? 7 a k" T t L , . . Subcatchment 1S: TO tUno - Z'172,-f- 11,96- hrs, Volume= 0.132&1-, De t > 079" Runoff by C TR ?JH=SC , Time Spar= UO.24,00 rs, dt= 0,01 hrs Type 11 24-hr Water Ci: °.V Rainfall=1.00" C Lsripticr 9 Impervious Area, Orsite ? ..... t_ „: C 1 ? e ,.,.. .. u F age 3 IS: TO CB65 Time Precip. Excess Runoff {hour (inches) (inches) (cfs) 0,.' 4.0 0.00 '.00 .' (' 01 0,00 r, 150 C lll? 0,00 2,00 C J. 0.00 2,50 O7 .; 0,00 :T 1 C, . `< 0,00 G .;u C ^-) 51" 0 .. 0-7 ,. C f .'.00 - t 7.00 40. .t_ ,.. . o.. 00 0, 71 1 . . . , . ( 0.72 _ ....., g y 3 ??.. .. ..., .,;',des .., 03 20 j. .74 . , 015 r °§ <- `j 0.76 t 0,76 0 "'J2 0,77 0,77 0,02 t.3.'..' - 77 8 0.02 LLB mo : d - ... . n F 4 HydT' Sir". 'J ?" }?} 7£33tl Pf7(7 LL_ 3 r _.__ Pond CB65 (T L 2} Inflow Area = ?.011 c, Infiow Depth > 0,79" for Water uality event Inflow = 2.72 cfs @ 11.96 hrs, Vol ? 1:1.132 of trln'.; - 2.72 cfs @ 11.E > I_ 0 1. Atton= 0%, Lag= 0.0 min Pri _ ,72 ffs 11 _ fi ?f , 1 '. ,'... ,. i m.3J 0,00 f ( g ".1.4.F00 of Star-In hrs. dt= 0,11 hrs Ce. I ---- I - ---- ----- ------ - -- ---- W. 5 4 3 ?- ` AD 007 H t. -i- f r° Pond : '2.*!:- - = '365 T ime finf ow a'.i on utflow Primary Sea lary (CfS) O k) {Gf (G S 00 3.00 300,30 OM 0.00 OM 50 OM 300.301 000 0,00 M 1.00 MO 300.3 0.00 01.010 0,00 1.501 0,00 3030 0.0101 .3 0.01(", Z'0 ,00 300.301 5.00 3,03 01. 2.501 C : 300.30 0.01 0,00 0'F 3,00 ri3.u X0.0101 u,° , 3-50 0,00, 44,00 3 +? Ct 4.50 01.:01 0.0101 0,00 -74 l , O.1: .. n .. ?', 40 $ 300.0 C OD" ( Y C# 40 0'' r . 0. 0 3COA0 U) c 13.50 0,013 0 r)-03 O.Oc 50 0, 03 , 30#<3 u. 0,03 . 3 c p j 3 ` p ` OL3 30 0, 38 C'03 Okc 21.50 0,0 2 3001.3 if.k .. U,02 V.Oc 22.0101 3,02 3M38 01.01^ 0.12 O'Oc 22.'50 0.02 YGO,3 X,02 OM CI 23.001 0,52 3010,37 01.2 0,02 0,01- 2150 01.2 300.37 0.02 0,02 0.1";' ,0C 2 41 L - 300 37 7 -n% .C3 21 OPERATIONS MAINTENANCE AGREEMENTS `°_ 1 tet- Restored Riparian Buffer and LQ V l pr-ader Operation and Maintenance Agreement 1 will 'K§,+,, .r in aintenam t"t'c t'l d t his hMP. d nn,. int£.'nanck r 't t?t'ii ',%,ill N, €7k?i%lils£:tl€"tclt il. .+.t':il?T1+'i?'tl cl)rri? t' 1, '.> .JM,MC of Structur +,, ,,0i (, die pub.]., . <WA the r0ino. Important e> prOCf,di t1W'1 tI_.' 4 Eit'+i „?- `?e'C;:i't?_'Ill the Tart gr_- !i _';_P `.''S°ow as toll as, 12 :nt hw iidii 77 {{ l951 I V Cc'tt ii .6t" [` ? t1-0, Once av(,,, . i if Lance a vear, oil i+i P: 11< -`. ,t'`•i :. ?'Ii+? ?---. '.:i be Ildded if necessarv, After the filter strip is establi i; d, it 111 1, 3, p, , '.:d quarterly and within 24 hours after every storm event greater than IM inclr (tar 1.5 inches if in a Coastal County). Records of op rwi,>n oml 1(1,o kept in a known s ? l,+ ,i`i n pan(] will b available upon ret uc,%lt, lT-1;rP ti011 iactiVitik-i 'I-,all 1-e performed as follows. Any problen-s that are found shall 1?? I? ',Ailed i rr e iatcl . _- B alt' element. _.. Potential prole lem. }low i will reinediate the xoblem: i The entire filter strip i [ r, "h - d 'tlnUl. i4 present. Rimer v (lie tr aslzJdeirris. S v ste rn The flow splitter device I Iv, fl vv sputter 41e ice is ? Ull? I«4, the coia' e' any anti dispose (if applicable) ici??s?txl. (if anv sediment off-site. ____.._......_........... _? .. _. _. 'Flit, flow splitter device is _: ? ''lake anv nec'E'SS.iry r 'pairs or t1 nra ed. i replace if darn&lt' is too large for j L. ._. i ! repair. Form SWU401-1,evel prea&r-_ Filler grip, Restored Riparian Butter O&; M-iteV3 Page 3 of 3 r??a1 t'tk. Sil l'7l; - ; lip ... .........,?..,........._........_ , _._ "t-tk 6, di d 1-i1f?r .i 1?t,. it 3.11(1jy?'tY its .. . -'I lil', 010 ..... _ The laypass'c antiel icy 1. ?{ (1] it1?'?' of {t4,i-.i '1--- it .1 ... ., ,.., t ., .'?? 1, j _.. .- .. .,,,. -f .......,... ...„4, ._.. _ i 1? iltert I`l p . _ . i ., 11 'trFt( lllcisll; S Y4`ri sz: I1dit ,;,il and.'i1r I<t ' 9d k, t 1. .;#t 1t «• ''. e formed. r`ti?1? ?:lF.t I?IE'rl :? cT1 a '.. 1,11til it is '.. 1;?iz(75i1t'a ??it I;4L. and a i1f1v (1111[ ,' 'hilt? i' I,'Ition 3;?. ?.-_.. ._. ...... ...... ._ ,. ..,.. ... ... ....._.. _. . 4'iliiili lit is l i111 3:r ..... ,.,,.. .. tilt l` ''.Jlt?i';It 1I)J the t11tc>r strip. i rz°4tah l rt tl1 ' „ a_ '. ?(11 t tion if art_ I ri,.iz}e' Ii;r?_E<;irl ?i oile- t: sic #trt I ,?, r ?,?lit 111; 1 - - - - --------- 1 plants aredesictt,d ------- 1 Pi 1tlc 1.lditionitIi riitlclnand needed, I'dants ire eicad. d,iticc# or Dete:rni1 iE the SOUrco o +i1 d( prohlf'ri1, sails, hydrology disease, etc. Rejnodl` the problem and replace ph"Its. Provide a tine-time fertTllir'r application, Nuisance ve4,t'tation. is licit ove vegetation by hand if choking out Jt'sir lb3c si- is s . po7,?ifnle^ if pesticide is ut?itd, do not allow it to ttinto th"r<t'icIng a water. The re eiving water j Erosion or other signs of Contact the 1_)ivi,,ion of Water damage have occurred at the. j Quality local Regional Office, or the outlet. i 401 Oversieht Unit at 919-733-17W 1=on1i S%A, t_ -;o S -1,evel Spreader. Filter Strip, Restored ltipariati Buffer O M-Rev..3 Parke 2 of 3 I WW ,. . 0 0 qLi .4100 71 i1' l?lai7 L l yam _ .p Pa f...:o:r'ti_ lisi,:,A ial7o e. f . i- `.1 of aarat iiraahkms with the s "tom s r ,,; ire: to any changes to the systeti, .. .. i ^ .; t; . 40va immi fir°cetnww s ? 13111' ?;i",,r?? ? L ?' :2,' efl ?Ilinhc°i-A., .-- _....... Print nalllcp ;tKot??? ?AMC I be 1,1 ?,art? sha;Wd nm be a h m" ,,,z;...... mz a&" , the i&- 10% o bom mM aW a r.Mel H t ate. 50A , On to. "won .: vued be p%-Ty: x:1/1 (rt 1+,t Ca. ?UTltt of jyjH flat fat relt}' eertit tl =at . Y ?ti l i`?` t ? ? ` , € erson ally fia Nared bef'orc me this day of ;?.0 an .acknuraledge the due execution of'the. ------ forgoing filter strip riparian buAbo anilfur Vel spreader maintenance rquiremcnts. Witnes my hand and oil ici.al fetal. PAMELA W. WILSON NOTARY PUBLIC; Person County North Carolina My Conrtusslon Expes 31 I I roml SEAL My commission expires to Fo t SWU401-i.cvcl Stireadcr, Filter Strip, Restored Riparian DuaTsr 0&WRcQ Pago 3 of 3 Filter Strip, Restored ipariati Buffer and Lzvel Spreader Operation and Maintenance Agreement 1 vVill l -'vE' ?i r':'.t',i It'II"!n: £- [t°iVtJ, ,n t 1:5 B VP. Ili s inainten,,nco record 4% Il lie ?kept in a log I'1 a ikIIwv''11 se Iok otiU7Z_ ,V £,i,It tOnt F"', P t'I£ SI . a?t`? .w_t =_i ',-!I Itt` )f ill he 1 a_ a"T?1iIat t)fStll tiI'`, . 4.It; t. _ i ax 1?'.I `lic', and thi ,?1e3._.. 11171 r` 3i' iiTl`t:"i;?ii1 0 <"4u'i?S: r1 9 ?' 7; 1(71'1 il the .',W" k, { 1•I4 a$ NrCar, the ',.I'-,' ,v"ill L7£- fn <i dc-:,t h o §?. fif IC' '. .. L t1 iii Lhe dram ige :'ireae to rt,iJ ?wk, the ? r ri t `t"66 , `.'qt'r strips 1 r17£lt ^ 111 ??? tl,. ? L' rt.<dion7 vwith l '1.'U '?.d le.'.1, !I`t :ens ?? t. ri+'r ii;.Ed7 t' ;lilt"l. ?ihl II"" I1 zIJYt t„.)ents ;.{..Intl. }?;..`. MA ie.i{ait-f.'?:fi'?iti? ..:.-n:!7tL"'.''{'1{'it 0"924• °c[r, soil ltl 1=: '01-?4ts'J u,net.i Lzs - bC 4tt.l.i?.'u 1. li,'t.C?`.irtt ? I-t J After , it will be inspected quarterly and within 4 hours After thy,, i,'.£ r ,triP ,- c,t.?h after every,?torni event greater than 1.0 inch (or 1.5 inches if in a Coastal County). Records of operation ln,! ;;iaitit?lnance will t I< rf its. a 1+:i1own set location and will be :r: upon rc ue'?t. In"p i tic n .ac~tivit,""4 shill be performed as folioxvs. Any problems that are found shall i,e re_l7,lirc?l itr n??cli?lt=.?'v, _ _ ............ _._._. B'l? P element _ Potential >coble Mow I will remediate the problem: The entire filter strip 'C'rash/debris i? prese nL Remove the trash j debris. system ? The flow splitter device I he flow sl-litter device is Unclog the conveyance ind di pose I {if applicable} ' clogged. of anv sediment off-site ......... ....._$? 1 The floe splitter device is a Make any necessary rt.,p ur S or j damaged. ' replace if damage is tot large for Form SWi.AOI-Level Spreader. Filter Strip. Restored Riparian Buf2er O&M-Rev.3 I'aav 1 o _ _ ... l3 tik a 1€ rT? 1t .P te'nt_.A irrctt iEn3 S li 4w`;?Ie atTd the level,' lip i, . rt= ar1:)U Id tile !.'l3 f {iii' a 4 t'1 `;I°.Nc .Y P„r ihat t $taTk b? ti I f ulna d a?i k, :]it rTfo" It tJtf Il ....... .............____._.._...._..._...,,,,,,, p. {;cur I.'phi'- lit'' i tii :.??. tocreat,, a. 1xer m that i" ti?_l:, the 1c ti cl lip, .. ;: lim, ,?)fw ,o,i?,-l ...?'4 rsllruh'-hay. F•'.:'i;[. ;(,:. ._ ... is•Y it ,,?.,, i;.` E Ls its,. f`hebypass channel ';,iIIJ "I `?`•, :! 4'..:'t"t '.;t"Ld, 'ho r .1 t£11tt -no_ .,. € r rti', [? ?i'• i'-.t'?'? i;Wi ?1?"Ft 71 .<,. : C1 '• i'SSed'"i`) i`f: ?'i?ti, ! Si<4 (.'i 7°>'? The tllter strmp r _ ehort or too hunt; „-Iit., : t '.I? i . ...'1'? t4 1',1" 'In'! or Fc+'t rid, 0- .'1 e forint'd 'I T. _ ,c ti1,ul k I d ? E ,2 '-?<ant a :>wa ll ta: :. .t'I rttf j's3 ,i }?,'i `lit' Ct 3: gq { tij cc tsf?r3 ':Yisltl? 's?r'E1,.i'Nrh: 't;' ltz'r1t is building up on ,3 ii' i°ci[,tic tlt :iisi } Ott` filter strip. : t't•ti{?i}?til,'k' trait:' J ,t.€i f<ltic)n if ? S r,'t rt° him, tertiltrer Sri fx.iti;? i ...................................... ..... ._. ......... Plants aredesiccated, Ft c%ideat{tiition.,ltrlis;J nand fa''tfli,, r ,, n_etlcd }...._ _.. T Tants ire dead, sir sip<?d or s,__. _ _... [),,Atrrmtnc the s ouliL of the tIYI'1??. probL111: soils, lit Arkdo % to-ease, i c fc. Remedy the 1'wh1t'ni wd replace plants. Prow idc a tRne-time fertilizer ap-piication. Nuisance vegetation is j Remove vegetation by imanci if choking out desirable species. !possible. It pesticide is used, tlv not ? a IT, %v it to get into time receiving 1 tti 3tE'r, - - The receiving water Erosion or other signs of Contact the C Division of Water damage have occurred at the I Quality, local Regional Office, or the 1 outlet. 1 401 Oversierht Unit at 919-733-17W Fonn S4k'Ll4tal-Level Spreader, Filter SITip, Restored Riparian Buffs r 0&M-Rev.3 Page 2 oi?3 I ? zw '+t1al' ga wi tg by nil . ?i turt 1?'."low dial 1 ain rear imsibl W th p2r%trance o the rnainicrix :c _Qtdws hswd abw. i:. 1 'st<gn".=L' tai nolil':' of :any" prc Arns wWi the * swm trr pA r n any chmiws to the s"t nt €or rt VOrlsiNe liw . Pt•oj c i jttitnc :,tiregwwav ttrva ;iwnber:3.' printnlnie-.(. sM.! _sr ? .tfiL/w? r'- <lcltlrc`s:.?,.:?tt__Q?.??? 17.?tt Dili N o[e: Tht: le,2 ally w_ w>% pan should no W a hctt.tci:+ nes ,::>wtim n ar;' n at;me tttm Wu of the kim have been ; d and a rs dem o the Ye€W Aln has ken tt onwJ dw nresid "t 1, 0.. v"v°A e. & t, " . 1150y, a Notary till>lic for the State of j f N b?, C.lt +r~r?_ Count): cil :3co hcrcby ccrlov tot '1V1 `f1 C`r\ personally :ii 1i:arcd ttctnrc rtitr this -?L €ta} 2.00 , and ackntowledt,;e the due e.\ecution ofthe forgoing filter strip. riparian bulTer, and/or level spreader mainlenance requirements. Witness my hand and c+ifit<ial SCA PAN1ELA W. VVILSON NOTARY PUIB lC Peron County Noflh Carolina My Commission fxotres 1 .31 1l SEAL My commission expires k 't 1 Forin SWU401-1_evel Spreader. Filter Strip. Restored Riparian Buffer O&M-Rev.3 Page 3 of 3