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HomeMy WebLinkAboutWPO201600035 Plan - VSMP 2019-02-01ALk EMARLE C-QV ICY FINAL PLAN. �'�,E%IER,AL MOTES { cite ---A, Colostral€ib n Noki 1. Prior to ally constrrt(*n withi-y any existing public right-af-svay, iuclucting, catrireetion to . Zny existing road, a permit shall lie obtainedfrom#ire: Virginal I3epatzucut.cif Transportation (VDOT). This Phil As drawn huy no# acctu#iielyzetleet,the'reclitirer e [S of the permit; Where any dzscrepaneies occur_thp requirements: of'tlie permit droll goverai,_ 2. All.rrzafeh45 and Gonstrtictitln:methctii_s droll 1%00rin ta,purrent specifications :and ,standards of VDQT'unless. otherwise noted. 3. Lrosion,and saltation coatrol.ineasures shall be provided in accordance With,.the- approved erosiomeozitrol-plan and &half be installed prior to amiy:clearWg, gradiug:or other ct�n$tiructian_, 4_ All slopes and cisWrbed areas are4o be fertilized; seeded and mulched. S. The-, ma timum allowable slope is 2A (horizontal_ vertical) ..Wh 1e reasonably obtainable, lesser slopes of 3;1 or Better are to ltis achieved., f, Paved, rip -rap (it stabilization hilt Ii wif.ditch may be required when in the :oprttibn .o$ the Cauntyl ngineer, or designee, kis deerhOd necessary in -.or lei to statlilize a;drai Wage :cha rive,. 7. .All traffic control: signs shall.conform wiih the Virginia Manual for. U-niform Traffic Contr€il Devices_ Crnless otheri,uise note _--all'ctiwxfAe* .pipe shall be- reinforcer, concrete pipe = Class IFI. 9. All pipe installation, must c©�131ytuith OSHA Stantia ds.f`or the ee onstiuct par Industry (2, CkR Part.1 r liO,_ General Coitstr€iction _Totesfoj�Sir0N (This:Irstissifaddi,don. tot%eGeneralCoustrttctioti Notes) I. All materials and construction -must be tested and. documented according•ta VD.(Y f' 'stailddod's aid specifications, 2. Surface drainagp:andpipe'dischar�;e must be retailied,tuithin tlreptil?lic;right-ot-way or within ea,seziients prxoi to''aect?ptance. All drainage olltfall.easements are to lac eXtead?d.to' a_boundary line pz anatural Nvatercourse_., 3_ `Guardraillocatibhs are, appf6ximA6_-Exact length; location and apprvpdate end. treatrtterits. --ill be field vet fled: t the tune fif. constrtictiou, Additional guardrail may be'iegdired at. loeati4ris =itot slid vrr vuhen, in the opinion Af_- V- 0 T`,(�"or.puli�ie:roads); or the .County Engineer=(ior:private roads); or designee, i"tis -teemed nec ary_ Whgri.gug0r4 is requireci,,[;shall be nstallediour Ed} feet gffsei frozrz the edges crt pavettteut:to trio face.of guardrail, and roadway shoulder widths:shail-beinereased to 9.e.yeir (li,feet_ 4. Where urban ceoss:sectiotts'ared stalled, all:iesidezrtial dri�reway:eixtrtitices. slrall'cg orm- to VDOTM 9(A, 5. Yhere rtual cross sections are.installed,>all"reside inial,drive�vay enfrauces sliafl'cantorm fa VROT standard PF---1 _ 6_ Compliance with the mini'mum P4,veruent,width, shoulder width and ditch seetiorrsas: shown on the typical pavement section detai), shall'be strictly adhered to_ 7, ,toad plan. approval fbf. subdivisions is, sifbject ro panal. subiiivisio6 plat yAdation.,Shoul l the•final platfor this, project expV0,Pdorto signing 'and recur -ration then :approval of.iliese. plans &balk be null -and VW, 9. All signs or other regulatory .devices shall c9j forru.wit the Virginia-NlaztuAl for..Uni%rm Traffic ContrdfDe-.vices and the Albemarle County Road Namiirg•and`Prgperty Numbering Ordiiiatia e andManual- 9. 1`raffi_c control orotfierreggtatvey signs or bariica4c*;shW1 be installed.by' Ahe'duoloper whc% in`the opinion of the ..County, Engineer, ar.designee, they, ara deemed necessary'lit Order to•provide safe and convenient access 10. . The speed-lind(9 W be posted ou'speed limit s%gais are 5 high Wlow` the.desigu speed,, -or as. ?ieterziiinod br't%l�t}3' foF public roads. 11: ti1`EOT sLjjft and C1? .1 or CI3-2 crc5ss drWits are ,w be installed under the 6base material at'jalf cut and fit, transitions and gracle•sag points as ho-un on the rcaad profiles. 12. A video camera_inspectipn is-required;for all storm- Sewers and etaiuerts that age deeaned- hiaceessible to VDOT"or Countyinspections the video hasp c.tion shalllie -.-inducted in aecora nce -With VDO`l''s-vided c'amera.ijnspectign prose -,#ire- GeneXA constructionznotes.€or;Exgsj p <uxd Sediment Cfrtatyof- ms 1. 1tic p1 in apprciviri autority nitjst: be notified :4i1e week prigrto tlle..prcazistruetioii conference, one. week-pripr to the cornrneseetrieri-:of laird disturbing a ,tiuity and ozre w 0-k p�forto the �a�al:inspeetietn:. 2_ Atl<erosion and sedinient.couirol measures: will be constructed..and.maihiaitoed. aecordin2 to mitutritn t stafidai-d$ t'Lud s{pecifi atioiis Of the Virginia Erosion- and Sediment E ontibl. llzlndbciok lad Virginia Regulatibias V12 62-t�2-t}f2l?roion a srsi Se,:diznetzt Control° kegulatzons.. 3. All' erosion apd 5edtinenE-contro7, mgasures are. to be placed prior to ar as the firsts}ep m clearing. 4. A-copyof the approved erosion M sediment -control plan. slx I he tmtntainod ofithe site at i es. al . ,Aril S_ priorio cairlttiertci?ig lour! disturbiva,actavitiesirx areas uther_tlian;indieated ciri these:tiiaas: (iiacluding,:bui not limited to off: bite borrow or -Nvas€q arpas),.the contractor shall. suhzrr+t a ppleriientary erosiozi control plan.to'the ownetforreview aiid approVA b}'.flre-pliva. approving authority. 6. Tlie contractor:isrespans ble for nstall rtfon of, y.addit oital ercisicru control measures necessary. to preventeroson and sedimenttlon as;.cieterinined by the plait approving authority, 7, Al disturbed nzeaa are to. drain to sipprcived sedi-meRt contro1,itteas iizes at:all tsrries:du : site. land dfstritlzirrg aetiva fie u , .un g 4levelopment until`fin- stabilizatiOir13 4chieyecl=.- 8. DTuring dewateriug operations 'water will be pumpo . into atr approved filtering device_ 9. Care -Ott raetor shall inspect all erosion control measures pe iodicajly and apex oacli runQTf- producing rainfall -event. Any:necessary repairs or- cleanup: to maintain the effectiveness -of the erosiori'eontrol.devices shall be made imaiiediately. 1,0_. All filllt?a#erial to:iaetaken.from.au approved, designated botipw.area, 11. All waste: materials shallbe taken to au aggro- ed waste. area. Earth fill shall be.inert ivatorials only, freeof rdots,:s_Wmp"s1 vvood,.rttbbish, and=other debris, 12...l3orroiv or tivaste aWas:at 0 be reulirihiQd "-tJd 'ft-7: ,- ys of ¢ptli lotion -per ciiriiig- 00i aacesection5.J1$! 11 All inert materials shall be trap&p9rted In eoirrpliance with section 13,; 3, 01 of the Code.. -of Albemarle. 14: )3on;ow, fill or wash activit.iitvolving..inslustrial-type.poiver t quitiitient &,loll be limited to the hours, of 7 OO= to 9:00prir, hall be-coadu �ted- `n ' a er a tains.lateral l5. .Morro-v, fill or. waste activity s c . r a safe.m nn .. than nllru support, crorder to uunimilze,any, b ard-fh persozls- physicaldartiaga to adjacent -land and. -• u. improvements, aadtlarrrage #o any:pullic street because o:slides, sirzkau:or collapse. 16, The deveiopershall reserve the right to ins#all rd4iat4rn> remove or.con. vert to pernianertt stormwater management,faeilities wherea 40ble all-okosion control'rhmures require-, by fhis plan regardless of tht sale of auy'.li , uiiit,'buldiAg.,gr otheT,�pczrtian of the property. 17. Temporary stnbilizafiou shall be.tezriporarY seedilagand muleh�ng: Seeclizag.is to.lie:at 75 lbsfacre, .and in the months of. Sepfemher"toFebrtiary to consist a 50/5(? isiix of Afiiival, Ryegrass and Cereal Winter Rye, or in Mlai~.(,h and April to Ought. of Annual l ye, or'll ay through Augwt t:o.. con i of Getman NIiet. Straw ulcii s to b.. e applie ._at 's-olbsAwsf_ Alternatives are subject to' apprc�ved,by thc. Coumy erosion,control inspector:, 18 Permanent s4ilization .shall be:lime and fertiliser; permanent seeding and mulch: Agricultural grade limestone shall .be applied at �€3lbsf1Q00sf, ancoi�orated:izzto tliP top 4--6 . inches of: &WI . pertilizer shall pe applied at l t100lbs/acne Arid c<oitsist of.a 14 Q !.0 izutrier t infix. Pernraneit seeding.shall be applied at.18Ilibstacre and cons stof y5°0, Kentucky 3.1_ or Tall Feseuo and Q-5%Per ennial ltyogras or l entucky:Blnegrass: $tram mt0h,is to be - applied at 801bs/100sf. Alternatives are subjecC:to approved. by the County erosion control =inspector: - 19: ,,M _' iterrance'.. All measures are tobe.X'nspected weekly and after each-,fainfalI: Any damage of clogging _ta stttictutat.m asitres is to be repair- inif7iediatel)`- Silt traps ate to lae.cleaned f v e •s " l wit went ceded ar a are to=be when; 50°la o� tlt�. -va# sicizage olu[rr . i, #r.led h soda _.:.: -All s „ e, s reseeded when necessary to:achieve a good siaud of grass. Siltfence and diversion dykes which _are::collecting sedimentw half thcgr height inust:be, cleaned and repaired faxirfledaatol}�. 20- All. temporary. eroAign and ,s01me0ex)p0ol Measures are tq be zemctve_d wittriu 30-clays _of final site stabrhzation,-when measures_ axe- do longer need subject to appz:crval'by the County erosion control.inspector: 21. This. plan shall be void if the: oWAei. does not obtain a periiift within•1 year of the date of approval. (Water`ProteOion Ordinance section 17-204G_� 'T'�.:Peranazxetrf veg�[ttton shall.lie insialledon Ali denuded areas yv,;ititin:nine. (�} motitlis: afar. the date the laird disturbingactivitycommenced:- t4?afer Freateetiyn.Orclinance section 17- 207E) +G+inernl �utaStazz�t�crzg•nues.%oat Stvii�►ya►ter;lVl.taaaeeni lnris. 1,: All -,orris and ootzstz cted fill -to be within 95U« a1 maximu a or density anti 2% csf'optinrurtt moisture content. III fill material to be approved.by a gi;otechnical' engineer. A geotechn cal end Weer.' is to. b&pieseni ditiing,constructiou of darns: 2. Pipe -and riser joints are to .be �V:2#ek'tiglii -wihin storizrwateF in fuageg7eirt iaCilities; ? :Pur Tmpprary, sediruznt traps oJ:-hasitis whirl are -to lie converted to peTmanertt stormwater mauagement facilities;_ conversion irr not to.take placa until t1}e site is. stabilized, and parrrrission has been obtained from the,,C ounty-erosion control inspector, ala DATA DEVELOPER/APPLICANT ENGINEER SOURCE OF TOPOGRAPHY MAGISTERIAL DISTRICT ZONING DISTRICT TAX MAPS/PARCELS \\\ I � Ix 00-" _.A", V RIVANNA ALBEMARLE u-0 GREAT EASTERN MANAGEMENT 2619 HYDRAULIC ROAD, CHARLOTTESVILLE, VA -22901 DAVID MITCHELL, E.L.T. PHONE: (434) 296-4109 FAX: (434) 963-2610 E-MAIL: david0southern-claesic.com TOWNES SITE ENGINEERING C/O BRIAN C. MITCHELL, P.E. 9850 LORI ROAD, SUITE 201 CHESTERFIELD, VA 23832 PHONE: (804) 748-9011 . FAX: (804) 748-2590- E-MAIL: BMITCHELL@CCTOWNES.COM BOUNDARY & TOPOGRAPHY SURVEY PERFORMED BY. LOUISA AERIAL SURVEYS DATED ' 01/05/2012 HORIZONTAL DATUM: NAD83 RIVANNA PD-MC (PLANNED DEVELOPMENT MIXED COMMERCIAL) 03200-00-00-02000 (PART OF) 03200-00--00-02300 (PART. OF) 03200-00-00-023JO 03200-00-00-02910 ZONING ZMA-2000-00009 ZMA-2013-00007 ARB APPROVAL # NOT, APPLICABLE PROJECT. AREA ACREAGE 46.35 AC RESERVOIR WATERSHED NORTH FORK RIVANNA - JACOBS RUN FEMA MAP 51003CO145D . / DATED FEB. 4, 2005 / ZONE 'X' UTILITIES COI�jACT INFO: RAPPAHANNOCK ELECTRIC COOPERATIVE (REC) STEVE COATES DISTRIBUTION DESIGNER, 13252 CEDAR RUN CHURCH ROAD CULPEPER.- VA. 22701 PHONE: (540) 727-2116 CHARLOTTESVILLE CITY GAS PHILIP GARBER CHIEF GAS ENGINEER 305 4TH STREET NW CHARLOTTESVILLE, VA 22903 PHONE: (434) 970-3811 Rivanna. Water & Sewer? Authority (RWSA) General 1Nater & Sanitary Sever Dotes 1 last Revised: February 2011 L All materials and methods of construction shall comply with the latest version of the General Wat er er and Sewer Construction Specifications as adopted by the Albemarle County Service AuthorityJanuary on Ja nary 15, 1998, except as modified below or modified in Special Notes. 2. RWSA f in A rc S shall approve all construction materials and methods o construction. . p a onstruction conference shall be held with RWSA prior to the start of any work. 3. The contractor shall be responsible for notifying Miss Utility (1 -800-5 52-700 1). 4. RWSA Engineer (Victoria Fort at (434) 977-2970 ext. 205) shall be notified three business days prior to the start of construction. 5. All work is subject to inspection by RWSA staff No tie-ins to the existing system shall be made without coordination with and the presence of RWSA -stab No work shall be conducted on RWSA facilities on weekends or holidays without special written permission from RWSA. 6. For sanitary sewer line construction: RWSA may require bypass pumping for tie-ins to the existing system. All doghouse manholes must be pressure -tested before a connection is made to the system. 7. The location of existing utilities as shown on the plans is from data available at the time of design and is not necessarily complete or accurate.. The Contractor sliall be responsible for the verification of the location, size and depth of all existing utilities, both surface and: subsurface. The Contractor shall immediately notify the ✓ngzn or of a } discrepancies between the plans and c field conditions. The Contractor shall use due diligence to protect all utilities and structures from damage at all times, whether shown on the plans or riot. Damage to any existing utilities shall be repaired by the Contractor to the original condition at no additional cost to the Owrien 8. Erosion and sediment control facilities shall not be permitted in the RWSA easement without special written permission from RWSA: No grading shall be permitted in the RWSA easement unless permitted otherwise by RWSA in -writing. 9. No blasting shalt be permitted within 100 feet of RWSA facilities without written permission and RWSA. approval of the blasting plan. Ground monitoring during blasting and a pre -blast survey may be required. For blasting within 160 feet of any operative RWSA sewerlines, bypass pumping and/or re- andpost-CCTV may be required. red RWSA may also require certification ation from a licensed professional engineer stating that the proposed blasting will not damage any RWSA facilities. Damage to any utilities due to blasting shad be repaired_ by the Contractor to - the original condition at no additional cost to the Owner. 10. The contractor shall observe minimum separation requirernents for utility crossings. When a crossing is made under an existing facility, adequate structural support shall be provided for the . existing pipe. The area of the crossing shallbe backfilled with compacted 57 stone to the springline of the existing pipe- l 1. New water main installations shall be pressure tested, chlorinated, flushed and have water samples approved prior to making any permanent connection to the public water system. Approved methods of tilling and flushing new water mains will be required to prevent any contamination of the publicwater system. 12. All easements for new RWSA facilities shall be recorded prior to placing the new facilities into service. 13. No permanent structural facilities will be permitted in the RWSA easement. This includes building overhangs, retaining walls, footers for any structure, drainage structures, etc. Trees -are not permitted in the RWSA easement. . DISTR UNT-Y9 I.C,T VIRV03-INIA ALL FILL AREAS TO BE INSTALLED & STRUCTURAL FILL SUITABLE FOR -ROAD 0R BUILDIN G CONSTRUCTION & Y B TO BE TESTED GEOTECHNICAL PROFESSIONAL ENGINEER. CONCRETE SHALL BE CLASS A-3 PAVING CONCRETE ACCORDING TO THE CURRENT VI.RGINIA DEPARTMENT OF TRANSPORTATION'S ROAD AND BRIDGE SPECIFICATIONS AND APPROPRIATE SUPPLEMENTAL SPECIFICATIONS. THE CONCRETE PAVEMENT SHALL BE PLAIN JOINTED WITH A RECOMMENDED JOINT _ SPACING OF 15 FEET OR CONTINUOUSLY REINFORCED CONCRETE PAVEMENT (CROP) IS ALSO CONSIDERED AN ACCEPTABLE OPTION,. IN THE EVENT OF" ANY DAMAGE, TO, OR DISLOCATION, OR DISTURBANCE OF ANY UNDERGROUND UTILITY LINE INCLUDING ITS APPURTENANCES, COVERING AND COATING, IN CONNECTION WITH ANY EXCAVATION -OR DEM.OLITION, THE PERSON RESPONSIBLE SHALL IMMEDIATELY STOP EXCAVATION AROUND THAT UTILITY LINE UNTIL THE IMPACTED UTILITY REPRESENTATIVE ARRIVES AND EVALUATES THE DAMAGE OR DISTURBANCE. IMPORTANT: IF A NATURAL GAS LINE IS DAMAGED RESULTING IN THE RELEASE OF NATURAL GAS, IMMEDIATELY SHUT DOWN . ANY EQUIPMENT AND MOVE PEOPLE TO A SAFE PLACE. THEN, IMMEDIATELY DIAL 911 AND CHAR LOTTESVILI._E. CITY GAS AT- (434) 970-3800. t � 11•- � AIRP®R`T t NOT TO SCALE W", �. PREVIOUS DISTURBED AREA = 20.3.7 AC (WPa#201500073, 201 5aao78) PROPOSED DISTURBED AREA = 46.35 AC (WPO#TBD) TOTAL DISTURBED AREA 66,72 AC LEGEND 1. CULVERT OR STORM SEWER <WTTH STRUCTURE NO,) � EXISTING CULVERT OR STORM SEWER PIPE 1 DROP INLET & STRUCTURE N . 1a O PROPOSED MANHOLE 's EXISTING MANHOLE --� T PAVED DITCH ®� JUTE MESH OR SODDED DITCH EARTH DITCH - GRASSLINED - - 10" 1 .........m.. EXISTING CONTOUR 100 PROPOSED CONTOUR "i fir EXISTIN T A G SPA ELEVATIONS + 100.00 PROPOSED SPOT ELEVATIONS t'/ CT/C - TOP OF CURB) *#I BENCH MARK & REFERENCE NO, tnp VDOT STANDARD STOP SIGN SEWER . --®- - - -r - EXISTING SANITARY SEWER PROPOSED SANITARY SEWER - T SANITARY SEWER SERVICE i �. �- CONNECTIONS 1P0400,00 MANHOLE NO..W/ STATION OR 150500.00 COORDINATE LOCATION WATER - - - - - - - - - EXISTING WATERLINE PROPOSED WATERLINE PROPOSED WATERLINE SERVICE CONNECTION GATE :VALVE FIRE HYDRANT ASSEMBLY TEE OR TAPPING SLEEVE Ti CROSS BLIND CAP REDUCER BORE CROSSING Know whgftbelowl C before you MISS UTILITY DESIGN TICKET #A421701876-OOA & #A534501636 CONTRACTOR SHALL CALL MISS . UTILITY AT 81.1 PRIOR TO THE START OF CONSTRUCTION SECTION .1 IS PART OF THE OVERALL NORTH POINTE DEVELC)PMENT WHICH OBTAINED A2009.VSMP GENERAL PERMIT AND REISSUANCE OF A 2014 VSMP GENERAL PERMIT. AS SUCH THIS PLAN HAS BEEN DESIGNED USING PART IIC TECHNICAL CRITERIA OF THE VSMP REGULATIONS. IN ADDITION, FUTURE SECTIONS OF THE NORTH POINTE DEVELOPMENT SHALL BE DESIGNED UTILIZING THE PART IIC TECHNICAL CRITERIA OF. THE VSMP REGULATIONS AS LONG AS VSMP PERMIT (VAR10C806) REMAINS IN EFFECT, WHICH IF REISSUANCE IS PERFORMED INCLUDES UP TO TWO 5'YEAR PERMIT CYCLES AND AS PER THE EMAIL CONFIRMATION FROM JOHN ANDERSON/ALBEMARLE COUNTY ECONOMIC DEVELOPMENT DATED NOVEMBER 12, 20,15. EROSION CONTROL EROSION CONTROL DEVICES AS PER VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK STD. & SPEC.. OPCECONSTRUCTION ENTRANCE 3:05 SILT FENCE IP 3A7 INLET PROTECTION DD TEMPORARY DIVERSION DIKE ST 3:13 U TEMPORARY SEDIMENT TRAP CD 3.20 ROCK CHECK DAM LIMITS OF CONSTRUCTION TS 3,31 TEMPORARY SEEDING PS 3.32 PERMANENT SEEDING MU 3.35 MULCHING DC 3,39 DUST CONTROL 07 LOCATION MAP: 111=2,000' APPLICANTS NAME: GREAT EASTERN MANAGEMENT SFE CIAL . USE PERMIT: SP-2002-72 ZONING: ZMA-2000-00009., ZMA--�2013-00007 ARB: N/A ALBEMARLE COUNT Y DEPARTMENT APPROVAL: APPROVALS DATE DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNING/7--ONING ENGINEER INSPECTION ARB DEPARTMENT OF FIRE & RESCUE ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARTMENT OF TRANSPORTATION HEALTH DEPARTMENT 0 .�i *i i 0 00 'r' 4-) Uj i • II sv • LU t M 0 +. .0 ' Uj 4' � i i Y • + INDEX TO SHEET.S- SHEET # LATEST REVISION DATE CONTENTS OF SHEET C-1 12/18/18. COVER SHEET C-1 A 12/18/18 SPECIAL USE PERMIT AND ZMA PROFFERS C-1 E3 12/18/18 MODIFIED -APPLICATION' PLAN C-2 12/18/18 EXISTING CONDITIONS & DEMOLITION PLAN C-:3 12/18/18 EROSION. & SEDIMENT CONTROL - PHASE I C-4 12/18/18 EROSION .& SEDIMENT CONTROL = -PHASE Il C-5 12/18/18 EROSION & SEDIMENT CONTROL NARRATIVE C-5A 12/18/18 EROSION & SEDIMENT. CONTROL DETAILS C--513 12/18/1 8 EROSION & SEDIMENT CONTROL DETAILS C-6 12/18/18 HYDRAULICS "C-7 12/18/18 ¢ SWM COMPLIANCE PRE -DEVELOPMENT CONDITION C-8 12/18/18 SWM COMPLIANCE - POST -DEVELOPMENT CONDITION - C 12/18/18 SWM COMPLIANCE CALCULATIONS C-10 12/18/18 C8PA COMPLIANCE PLAN C-11 12/18/18 CBPA COMPLIANCE. CALCULATIONS C-12 12/18/18 POND GRADING .AND DETAILS C-12A 12/18/18 POND LANDSCAPE C-12B 12/18/18 POND GRADING AND DETAILS C-`12C _ TC-12D 12/18/18 POND LANDSCAPE �_...,810-RETENTION. 12/18/18 . FILTERS - C -•12E 12/18/18 810-RETENTION FILTER LANDSCAPING �. n�ra0nt rFrs by theAlberrlar'�- :;cunt- Corrlrnu;jty Dive' ' Ienarlrr,ent RECEIVED DEC 2 Q 2I1111 COMMUNITY PRVFL PMENT c 0 0 s' i 7: 'rfL - •v3 0 E v 1 'b. V PNIC. II _ EL> 0 Lie. No. 0 - 724 .0 DEC 18 201$ . S yONAL, 2 CL 0 Fn +s M 0 � o E__1 C/) 0 ".q } 0 0 0 0 0 REVISIONS DATE ITEM w 10107116 PER COMMENTS 41 12118118 PER COMMENTS/OWNER 0 Ho 0 o� 0 0e .MATE � 04�27-2016 41 SCALE � 3 �vr PROJECT rilil�lGE BRIAN - C. M1TCH LL, P.E. 'ua q) DESIGNED E Y� c a PROD # 20150290 BEET C �• iv, "a, COUINTY OF ALBENLARLE orp. irtainall of C.onaturrilty Do, ol.pil 40111 0.tl� R sal, NI11h whi. clulrl.t� _111, Virginia 221L12-4596 Ph (134)296-5832 D.ca.bt,, 2. 2015 321 E,st,',fain S, Suir, 400 Ch-1.11allill, VA 22902 RE: SP201�00003No,thPi,int,hlidd[cFnt�,ceAme,d vilt D­ Ms. Lag. onfq-tarb-, 11, 2015 tire Board ors.pea-'s tcok.sficin lu'lou, speci.1 Use Pcirnut sp;di.dow.u, to difY 1111ii6nal Icilli'111811 airchod,paric,ossing ofFhd 11-h ande,Charac, IS S�6­30.3 oftho Z,udlc0idi.' on oil I isn's 0320UOUUO02000 and 032MUIM02300 1, [he lki-ina Tho spaelal Uso Pernik- approl ed by die Bcud*s ahiniori of the atruchad resolution and -ditions. Picause h­dvi,�d te.talthuials the Affnararl,,C-ty 8­dnfS.pa-vsr­ t-k.,oun,in the P-jact 11fild 1111, 1, 11, asos In the Pl-nPlItyll Ippm,,d abuse may 1-fully bi,gin ontil,ill File applic. pprri h.ca be- r,cabl,da.d r.ralki... lia- hoo. carl. Thi.iallid- e-rilt ... -alt r.did—fth.SPECIAL USE FER1,HT; appro-I.Cand L-Pli.in-lih. SITE PLAN; and pp —I f. ZONING COMPLIANCE CLEARA.NCE. begundogri--sli.-d ducabo- noted acu.n. idt- c-ruel Reb-i Raii,det;e, (434) 296-5332 a,,. 3226. D-ad C.: CWH P 0 13- 5526 V. 22905 RESOLUTION To APPROVE &P 2U15-03 NORTH POINTE AUDDLE ENTRANCE AINDENDlIENT P­1 and via]. HUI Aesoccen, LLC is [be luourd in—trM.- Map and P-I 03200-00-00-02300 (Louectivoly, Lin'"Dwiler" and Ric "Proierty"); and WHEREAS, ZNIA 2000-09 - apt, ... d an August 2,2006, apnu,aa g tho North Pubute sluo-11 0 usai'll within the fl-dplai. I I Flat Blench Crock and theroby �tc,, I N,,asid, Dri­ W samic J-1.1 the adlid1c ennasucle for the North Point. conamunity, WHEREAS, the U.- filed a. pidiesti.. for,, special as. perluit to ..ad tho conditions of upp-A irr S P 2007-03 tonically, condificrisliquirila, an ­b,dVal, Clock to -11- is,- bonrealllelt,, and theppli.tion is identities. Special Use P-42015-OCC03 North Point. and WiMtF-&S,� N—bor 10, 2015, after a duly noticed Pudlic hearing, the Alboularts C-ty, Planning Calauh,hat-Rannadad.pix-I IfSP 2015-03 ith the illundiduarl la,coaraaead�d by Count, 509, Inclodlog the clarialaroll of wveml conditions thit are no loner aeciled, sold the ievision of'ovorld diti- ts, p-ridedarity, .,it to 1. rasisarit wilh.urrorr Alb.-Ic CoicatyCdoicquavracuts; and rl.ticod public lerairit - SP 2015-03. Now, TliEFFFORE,BE ff RESOLVED ducatioa, consider4on offlue foregaing, the'taff lelaurlaellared furSP2015-03-11all-fiLe aauohaivail,�tha hill --- tic. preserracid at th. public hca,ho, and 11" 18-33.8,dicAlbannal.c.-ay 1. Fila W� Jordan, do haraby'ardly, that it. foirepiert-lisr? is a true, oorrect-py If. Rosolurion duty d.ptadby tho ll.ard.fSap-4-crAlboararlic C­ry� Vnsiniaby-to of"sm topeol. as-rded bet.11, at a gular-dal I,,hI InNoKstiltior _211 - .112. _11Y Mr. Byd Y Ms. Ditair X Mi_ MaIlY Y Y Nit. shdiold Y SP-2015-OUW3 Nord, Public NI&IIII. Entraroa Annardai Creditiall, 1. Ph hilinal Tuad plain approval, dic-atplicalat shall obtain son) thin Faderelluinersoncyidaragerrient o' As nay (ITNIA) a cullaidol.1 11cle, of ancip (CLOMP, r CI-01,1A). aud Frio, to bad ctialro. thoupplicant ilorl rddbana ft.. M. fA a leifee If orip rcsIs�ona (LOMR or 1,01MA). 1. addition, sin applicantsball copy the County Filgil-r- ad corrospordleace with FENIA. 2. Th. inudoir Nofloide Un- Oal I bo 1. general ... Ird iLh the utracheal di-i.griflad -North 20,7015, page 2 of 3 (the be in gi,,,Il ­d �idr it. Fla" do"lu"It 'llas relic, t th, PoiriaeSP Ci-sling -fFict Ihiach� racrisod icyTo-, Sit. Esquilicaring,,ith—hilin dat-0.1y L�Ilcrel Si7a, carasseracut, and Junadual ofthe auj� eurs. Modifications to the Pla� whirtdorict ­rdlia ,61h the cle-ics ab.- iray ho llppro,od subject w thi and rippir-1 fth. County Ennin- 3. Vrcr (0 ukahl;ng approval oftlaroad Phan, and ewsiou and stharent control Plans for Nvirthside Drive, theapphocut shall obtainapprolval falurds�upc plar, bytLe Counny'3 Design I'l-crarld Lho lit. Aliell 1,. landucarnel a, provided on tho ,pp­d leaden, plan, The lurdscrip. plan k.11 irold. Th.-stilill U- nineardiusupodia,i, fine lbu,wdl,causin, the ithrinofcf,,ringand L-Aing, -it racflrcd� aftirce Inwood- b. P-id. - infurniud pfaritiiag fli I- and slaid, spccits ad si.s . earapensate, for Rai -got4tion, and 1-grawing plants L, saddli,,c slopes in the areas of propasad grading and troe ionrl-A; ad and sloca rese"ed for 11. sid-11,, 1- -it ran-hais' cl�/I) hc&s curp�, aninul. al planing, fbiry (40) facet - cancer, for a calaimurn diAsan- of four hundred (400) fccl froan are 4. desisalk,lods,hull be �h­ ca dar,aidina. and andapproaluffficCounty's resign Phanor. 5� If the -1o, structurc, or actl�iLY in, -hkh this sP�Illl P-ralit is i.cd is of -,.-d by N-robe, 11, 20`10,lh�fsaranll doill be dconand.handoned and the n,i granted thea.-Jor 0.11 dier-pun ­hult�. Federal Emergency Management Agency D.C. 20472 Federal EruergellcY �Muagenluiit Agency 20 17-1 C�ltlli IN kEPLY RLI-LK 10: I REURN RECEIPT IlEQULSIED 17-03,032OR CONDITIONAL LETTER OF MAP REVISION C, COMMENT DOCUMENT (CONTINUED) 401 Road COMMUNITY INFORATION lCONTINUED) VA �1,% RLQUIRED FOR fOLLOW-UP LONIR ...... ...... I-P-311 �C U111 11, no tF�­d r�poi W .,d F,,,, Icy.. all, �hi, ful a rp.t­­ pl�i P", iN, III`) in priing this CLOMR, Pit— ccuol (]it D-o'. lat-i Aulicy tFE%IA) in 512, or tile 1,NTAMap l,Xdiwlg� (rNdX> lod fe, ,l7 9A3J1d5j6oq,jJ the NFIP is a,adabl, 101.11i" 6-1 lli� I ..... F. chief S_ i­ 13 ... h jh- b- fl-_dPWa -d ....... Mr. F nk V, 11ht, CVL�l M, D-id G­Nincli�ll M, Illiall C-MRIML Is E. lXfl) All s Federal Emerg ency Mariag ge �e it in, A ney Federal INIanagement; Agency CONDITIONAL LETTER OF MAP REVISION CONDITIONAL LETTER OF MAP REVISION COMMENTOOCUMENT COMMENT DOCUMENT (CONTINUED) COMMUNITY INFORMATION tCONTINUED) . ..... ill, aosTE LOMC LNIR Nlsrag,, "i" ENIA III i� r igm �,j ris F­ ii-d SMA, zon-, lh� proj�t. �i VV-J,y i, i,flu­d I,r hurin.6"hilll L01111allily 011111itS FL.c. T. 11-d lit-rd COMMENT i it a p ilk F P E. a CIO 77 ------ T-, P, Federal Emergency Management Agency - Federal Emergency Management Agency D fl, "rr'2 CONDITIONAL LETTER OF MAP REVISION CONDITIONAL LETTER OF MAP REVISION COMMENT DOCUMENT (CONTINUED) COMMENT DOCUMENT (CONTINUIED), COMMUNITY INFORMATION COMMUNITY INFORMATION (CON IINUED) ...... COJ.. fl, P� S 111i I!-, .......... . . . ....... ­1 E-1-A- E, AMENDED AND R25TATED PRORFER STAMIENT NORTH POINTE CHARLOTTESVILLE, LLC ORIGINAL REZONING APPLICATION. #ZrAA-20DO-OU9, SP 4001 741A 20IMM07 Northrointe Proffer Amendment Tax hillia 32 Paircels.- 20, 2,0A, Zf)AI, 2GA7, 20AI, 291,21,, 23A, 23B, 23C, 23D, 23F, 23F, 23G, 2311,and 2M. Appiroldinattly229 acres zoned Planned Devellopmaull -Mixed Commerciad VTDMC�) August _15, 2013 With respect to the lyioji destAbed in r�;wning applicalion #ZMA-2000-69 and SP-2002-722 (the "Odginal ZNIA'), CWH Properties Limited Parfries hip is the fee simple owner and North ?child Charlottesville, LLC is the contract purchaser of Tax Map 32, ParecI3 20,20A, 20A], 220A2, 20A.3 wild 291 (the "North Pointic Property"), and Violat Hill Associates, L.L.C. is tho lie� simple owner offtat Map 32, Parcels 23, 23A� 23B, 23Cs 23D, 2-3E, 23P, 230, 23ff and 23J (the "Viold Will PropW). The respective parties are collectively refeered to harlain as the "Owner", Which territ shall include any nucceosors in ivt-�trest. The Nardi Poitile property and the Violet Hill Property am referred to collectively as die "Pi-opinny", all of which is fliz subject ofzOning map amendment application number ZMA 2013-00007 known as Hit "ZMA Amendmenis" Pursuant to S"lirm 33.3 of lite AdiermarIc County Zoning Ordinance, Owner hereby voluntary profferu the conditions listed in this ARtondod and Restated Prafflar Statement, whha Arall be applied it) the North Pointe Property if the ZNIA Amend mant is approved by Allaronarle County. These conditions are proffered as part of the ZMA Amendment and it is agiced d-Au (1) (he ZMA Amendment itselfgiver; rise to the clead for the corlditious, and (2) such conditions have a reasonable relation In the rezoning requested. The Original ZMA, fopther with its assaclatM PTOfffM dated July 2Us 2006 (did "Orildall falciffar Stalemilit"), was approved by tire Albemarle County Board of on August 2, 20%r and also includod Tax Map 32, Famell 22K (which parcel 22K -was at the time wallarisGill air two separate Parcels 229H and 22K, which have since been cmbined into a Single parce! 22K) which is owned by Neighborhood Proptties - NP, LLC (die "Neighborhood Invesuldeat Ilroperty")_ Tire reflected !it (ids ZMA Amendmentshall rof apply to the Neighborhood Pitiperty. In all other respects, this ZMA Amendment arneirds and rtstales laid proffers in their entirely and the Amended and Restated Proffer Statearent hall relate to the multi -pap application plan inaftled "North Pointe Community-, prepared by Ji & Co., Architects, as mvitrud ['.,trough June 13, 2(106 and altau-bod helotor as -Exhibit A (the "Application Platt"), Lind the Albemarle County Code in effect as of the date of the Original Proffer Statement (dre "County Thil North Pointe Community shall be referred to as the L THIS SECTION INTENTIONALLY DELL-I'LL), 11. ENTRANCE CORRIDOR 2A Cripilliiij nsix Include; after the awcillarce by die Virginia Deptiffinrin of Transortation (�'VDOT) of tho Read Improvements as defined in Section 5.3 that are along the northbound lanes ofU.S. Routo 29, Owner Shall plant and thlcrcafitcr maintain at all thues a landscaped 1�uifflcr, including hedgerc3, the Entrance Coidor frontage parcels owned by Owner. The buffeir will consist of a trainimilar. 04bot wide continuous visual landscape area that dial] be suject to County Architectural Review Bolurd ('ARW) review and approval (the in the Owaten property and paill The. Buffer may be located partly u y on VDOT property. In the event VDQT at any time in the future rudrases any portion of the Buffer located on VDOT pnpcitily, the Owner shah eiviale for such reduction by etending the Buffer on Ownees ZOLR property in older to maintain s 3nnitirmu. 40-foril Buffer, even ifsinh compensation shall require the Temoval fif'parlifing adjacarit to Such Buffer. 2,2 Appla ce of Storm Water Management f1SWvl") Facilities WM_ facilities visible four the Entrance Corridor identified oil the Application Plan (stormwilter facilities 1, 2, and 10) Sinill be shown on a plan and be. subject to APB review and approval. 3WM I shall be designed such that its shape, placement, and land1orm (gaiding) transition between the adjacent conservation inert and the adjacent bard edge of the parkin lot be subaduad to the ARB with the first ARB and buildfitils, The plan, for '�Wlvl I star subminion for Building 14 or 19 identified oil Street 2 to the Application Plan (il'Shett W), or any such building that is proposed to tie located where- Building 14 is located on Sheet B pursuant to the terms of Section 1.2. SW?A 2 shiall have a motria structured appearturce than SWM to (see below) and Shall be dusigned such that its shape, placement, and land form (grading) transition between the adjacent conservation area and the adjacent hard edge of the pafking lot and boildings. The plan for SWM 2 shall bc submitted to the ARB with the first AlttD submiSsion Tor any of"Buildings 26 through 31. SWM 10 shall be designed such that it, shape plae'-Illent, mid land form (glading) are integral with the adjacent conservation area. The plan for SWM 10 luill be Submitted to the ARD at flit time road plans are subinifted to the Comiy arid VDOT for Nordivicist Passage. 111. DENSITIES 1.1 TritalBuilclumt. The total number of dwelling units ithin due Project shaft not exceed eight hundred nintity-dirde (it93). Subject to Sciltion 3.2, the building foulptifirls fird gross floor arcit, f off -cc, slid other uses, and are building folutpruit:-. of hotels shall not eicceed those Sol fordit ill the I -anti Use Breakdown Tabl.- n Street A to the Application Plan Limited Ad just 3.2 rits to the Elements ofAte An2lication Plan. The Voss floor area of the buildings used for commercial, office, other uses, and hotels shown on Shatet A may be injii ivithin a minge of up to fail percent (1provided that the maximum gross floor a a I rras fRaildiri area for each category of wide shwvu oil Sheat A is not exceeded. Th fopi 0 6 as shown on Sheal A car he am 0 3 di On I be t t is fthi 8 ti 14 acid 3 3.2 to car- colitrary, Building 14 Shelf nut initially cixce-d 89,500 Square tcet, provided, howuer, fullowing, thic isuance Of the on, (ificaw if occupancy fur Building 14, t�ult after tWO Years Building 14 may be adjualited ithin a Tanga of up to tell Purcealt 00%)II, and if Building 14 is located in flic location Shown on Street B, any sped expansion ithall be located to the cast so that the siddifinand space is located along North Puinte Boulevard. Notwithstanding the: forms of this Section 3.2 to the contrary, but sUbjeet to the JilOvisfirris of sla�qimt 3.1, die Comity may authorize Building 21 a, shown on Sheet A to be adjoNied, by more, than Idn p-c- t (10%), mWATER MANAGEMENT AND STREAM RED CONSERVAT14JN IV. STORi area of fit@ I GO -yea flood plida within tile Project suall remain 4.1 flagg Plight, The -ram and padestriall -utility facilities and L r, inga. or read crosaings, public hot undisturbed except f and bkt xtentsuch exceptions ti; tralls, wild only to the e, are permitted by County ordinalim and itly, and prepare the replationg, Upon tile request of the county, Owner shall provide a sury necessary dcaustiontathint ard dedicate Lhe land within such BoLA plain to the County. a 4,2 111ta"114K. The IROMWIlItaill est malo'gallicad Pricil eS plan for Ole Project shall be prepared, and all management faelbithes for tile Pec"I be designed and constructed, to alcurrent storlawoter diccharge Tax Map Psired 032AO-02-0-00400 (Norfirwoudli lobilti Horic Park Deelopment) and fierrit the ci%isning developments on flil�, northeast my] northwest comers DITIOITH Road and U,S. Route 29, sf2cuilically the fllowi g parcels shown on the; current Albemarle Conty tax mit, : W1113P 32, paircclas 38,33A, 39, and 39.A; tax ri 32A, parcels 2-1, 2-1 A, 24AI � 2-1 B, 2-1 C_ and 2-1D. The strimilwater management facilities sball midgide the storrawater quality and quantity impact; fl�r at: sterawaEar gelogriFtd both within the Prejecc and for such eisting OtBite conditions as dcsr-,Yjbtd hateln, as though file -mire preexisting condition of the drainage area is all woucled site end is being developed to thi,, existing ciff-eito conditions and the propqed onlifte conditions, In aditich, bicififtem shelf comprise a millilnum orthirty-daree and perimit (31 1131/o) of the total required parking lot landscaped areas within the "Ciumnicruial Area" or the Proicc;t, as such Commercial Area is delineated )It Shiset C or the licalion Plan ("Shett On PP diantialt Conir 4.3 Erosion and 91, '010 Owner finill. to the "maximuni, extent practicable", provide Such adififloold apporpriatti and splIbuslit control that exocad State and Local slandunl�, If there is a ­gOldit"Ill Whetilof 1he standard *f practicable' il;lnisfied: the, Virghall Mpartilient curd Recreation will [it provided sia opportunity to review and advise oil sada qtias don. fill post-_c v= Vcmj11qmen ; Thu Owner Shalt, to the StcripL ost-tioutmoilon Brylps tinit am designed to maximum extent practicable, provide p b Center for achieve an avemIge annual iledirninii realoval rate of 30% aS` published Y tile Watershed Protection in Article 64 ofTho Practice oflk'atec-Aed Protection (200 edition). Thwe will include, but are hot limited to, filmictention, biorractition filters and wet tallystion besins, 4.4 Strelan Ijuffier.a&d Rgirtoratl Upon the commenecalliant of the applicable comir-ni period, the. Owner shall1notify the County and provide the County with a copy r awl opplicathin(s) to the U.S, Ai -my Corp of linginderst andfor DW for any Strewn disturbanee. In additiop, if issicassary, after first looking on -site for mitigation avarflablei to satisfy the fienniting limutzs, file Owner shall contact the County for it list of offs t opportunities it opportunities within Albitlmadr County fbr mitigation, and $1191 look for $Of. V. TPA�NSPORTATJON 5.1 Internal -Street Coriltrection Standiards Public streets, which in any event shall include at least Lattice Road, North Pointe Bouleva Nordiside Drive East and Northwest passage, sbull be (i) constructed fit gii with the illustrative urban desip cross sections shown on Slhocl D-I to the Application Plan C'Shm D-F) hold also in withVD07i'design standards pursuant io detailed plans agreed to betwifen Ownisr and VDOT, and (ii) dedicated for public u3s and offered I -or into the state highway System. Trees (with a maxiinum spacing of fifty (50) fixt), landiscliping and'sidawalks as hown oil Sheet D-I Shall be installed NFO, d maintained by tire Owner in acoordarlea with County or VDC`T standards, unless OT or a. flit: Caurdy a _grew in writing to assurne this xcsptirwibilfty� 5�2 of conloletion for lnlqnal Streets, Bafte issilaucit of of shall complete that segment ufart Didernal street how , It -1 occupancy, Owner as a a n S rist D within the Project which serves the building or residence far which a cortifirate of occupancy i sought with at least Ole staire base And all but the flind layer of planit-mix asphalt. The fincid layer offillati-mix asphalt shall be 413wield within on-, (1) year following- the issuance of the first certificate ofoccupranry, for a building or residence served lay lite afl-acted Sitter seiptiern. 5.3 Road hripruvomants. Owner shall diasign mid construct all of the road -Its referenced in Sections 5.31 (a), 5.3, l(b) and 53 1 (a) below, Which are also Shown impiroveiriet oil Slitar D- I to the Application Plan and on 81wel. P t tria Application Plan entitled "Extiannal Road improvement Plan' F") (collectively, tht "Road Improvernents"), urdess such Ad Road Improvements Eire Jim conatructed or hooded by others, Too various phases of the Ru.. are also shown for illustrative puiposts oil a olor-coded copy DfSheet B lhat is dedicate to Public use any requi "� right-of-way that it now orhercaller owils in fee simple. For purposes of this Stetion 5.3, the use ofthe lerni "road'* as it applies IQ, intel-riud shril! sly,) have [he lmrnt- meaning as the word "SEfeet` in tile Alburnailc County Subdivision Crdinance (Chapter 14 Of the Albernairlis County Code) where -d and phused as 1��&nd Phludq& All Road buinovarowits shall be design, Road improvements shall be oil detailed mad satisfying VDYr design stands ds Which shall be submitted by tire Own" for review nwhen r satisfactory, approved by VVOT and the County �aaxpt for the Read Improilicrannin in U.S. Route 29, which shall be subject only to VDO`J- approval) (hereinafter, file "Approved Road Plane), The Approved Road Plans Shalt show the Width and length (except as specified ill Sections 53.1(a)(I)(ii) and (v) and Section 5.3slfb�(I)(W, locution, type of Section, and geouldrics of all hine imprilamearts as required by 60T design standards. All of the Read Improvements shall be constructed in complisnot; widl fite Approved Road Flam I a o ad Improvermtsits to U.S. Ruitto 29 sball be based oil the thim-curcent VDUT design sildsad and oross-41ople; requirements. Notwithstanding the provisions of Us paragraph to file contrary, in die event thall the. internal residential! street designs as shown on Sheol, D-1 ,To not aticallted by VDOT, the Owner sball submit detailed road construction plans for such Strom to flit Courrity for review am, whell satisfactory, approval, Subject also to the County's approval of privitte streets undertheSididivision Ordinallaist(Ch. 14 offlicAlbeindr1a County Code). Phasing. The Road improvements shall be constructed and completed in three pharies as set forth below: (a) JififiAl Road Imorovemai Prior to approval of the *9 umrlmt�rvlal subdivision plat or siteplan widdat file Pwjco% Owner shelf obtain a associated permits and post all associated bonds required for the constalvdan of tire following (collectively, the "Ithe3e I Ttoad improvements"): NQuithicultmost Entrance, -()n U a-V mite �_9' 0) US. Rould 29 Scirithbound - correction of the vertical Studio the roadway last north ofthr untrfincle. cury 80mbb(dand --construction of a (ii) U.S. RQUIC 29 Continuous 12 Just Wide ficalialigh larte (with shoulders or guard ral as required by VDOT) starting ut a Point that is 1000 fact north ofthe southemirlost entrance and eyterlding South to Airport Road, (if!) U,S, Route 29 Sonlibound - conStruairin of dUal left turn laracs with taper at the crossover. (iv) U,S. Route 29 Souffibound - construction of right turn hine. with taper to serve entrance to SR 1515, (v) 'i.S, Roofs 29 Nurthbound -- construction of a continuous 12 Nit wide through haw(with shoulder, or guardmill asmay be ratfoired byVD97) extending from Proffil (Airporo Road (Route 649) to the Northwest l"aasage entrance. (vi) U,S, Roule 29 Northbound - cnstruction of a right fraud turn lane at file Southernmost entrance, the geometries of whith will be Subject to VDOT Epproval. (Vii) U.S. Route 29 Nlthbound - construction of lefl turn little with taper into SR 1515. (viii) SH MIS Eastbund - construction andlor restriping to provide IOR turn larto with taper. (ix) Instalation of a traffic signal with 8 phase thiling, video detection mid callsocialed intersetion improvements w die fintor3ration with U,S, Route 29. (x) Close d�ustiag cresuover at U.S. Route 29 and Futuristic, to SR 153 5. (xi) Proposed Entruacd Road Ii North Pointe Boulevard and U.S. Route 2% t Road! (i) Lcoke Road and North Pointe Boulevard, in trectinkmeo with file design Awn on Sheet D-1, from Pitiffit Road to aititu Nordiside Drive East or, if Nurthaide Drive East has not yet been constructed to the roundabout at Nardi Poirrita Boulevard, North Phime Boulevard shall be cattrided to Nordivicst Passa*c. Th� Owner shall provide a fifty (50) foot public riglit-of-way along Leake Road and shall construct a two -land public street to be auaep�d by VDOT and as much of rho other improvements shown oil the as possible willdit the available rilillit-oPNity as reasonably determined by the CountyErgirlecr, Youndallow, or swill other improvements as riday bu IT' ad own approved by VDO`r and thu. County, Fit the interatection of Leall Road and Pro it [to sh on Sheet B und air additional westhound tight turn In= on Proffit Road from Lealoe Road to U.S. outa 29 as shown oil Sheat F, In addition, for property aquisition dust is required flir the frff� r th Section site public: riBbl-of-wity for construction of thee imp overnents required by is the Owner Shall make a Gash contribution or provide a letter oficiredit ia a form approved by tire County Attorney for such purpose in the amount as deeed for the property csby the Comity Attorney, provided that such amount shall not excee One hundred fifty percent (150%) Office Cutuicy's fleir market value appraisal prepared fbir acclilisition and purposes, The cash contribution or lefter ofintldit described in this Septioji 1(st)(2)(ti) slid -be used it) pay Ilor the total vuct of flit light Of WILY acquisiliull. of file right Elf way aNuMdon for the Off-sitc Property necessary to construct the micro efflents 'Y required try this Section shelf include the normal costs associated with acquirint land, buildings, strurtures, easements and other autborizod interests by condemnation or by purchase including, but not limited to, land acy6itlun, engineering, surveyin, aod icastrinable attorneys rve& The cash cntribution or the letter of credit shll be inovideri by the Owner withia thirty (30) days upon request by the County. TfthG property is acquired by purchase, the for (lie purchase price shall no( exceed ontl hundred hilly percent (150%) of Ulu Conuity's fair Tharket value appraisal pr�;Jraurd for curidQrmiloilin pulfrobes without the consent of Iltell Ih- Owner hall rchaddurte the County all such exceu costs within thirty (90) days upon icquest by the Comity, 'the County Shall ruflind to Cue Owncir all excillis, contributions upon ociopletion afthe land aquiuitiort trifelitigaidly (iv) An addifluncil through land eastbutuld on Pruffit Road fivin U3. Route 29 to the mundabout at the intersection ofLwkz Road and Proffit Road. firaddilim, fiorpropefty, aqui8ilion that is required for the off-lifte public right-of-way for construction ofthe iniproviarrents required by this Scallori 5.1 the Owner shall make a veah contribution Ad &a the "prov, a letter oferedit in a farm approved by file CoinityAthirmly for sacblptupo in amount as decauttill necessary foir the property acquisitio by did Count) Atiorney, provided that -ed one hundred fifty piewcant (150%) ofthe Conifty'l; fair market value such andrunt sball not e=L appindsat prepared for acquisition and condermiallon, parli The cash contribution or letter of tht of v) aliall be used to pay fba- the total cost aftbe rig credit described in this Section '011 for tha ofp�itia ary way mquisition. '11re total co-V qfthe right ofway acquiSill property licae the nedmiall to construct the improvements Yellidred by thh Section 5,3.l(aX?)(iv) shall finglud V.YSIs associated with aquiring land, budldinp, ntructurctli daseureirw and ther authorized interests by condarranaltion Or by purchase balludirg, but mit limited to, land acquisition, -ilia cash contribution at the letter of ortable aftontays engineering surveying, and res, provided by did owner within thirty (30) days upon request by the County. If the credit Shall be property is acquired by purchase, the contribution for the Purcharad Price shall no, fxccad One hundred fifty purean (150%) of the County's fair market value appraisal prepared for cosidoemattion purposils without die consent Of did Owner. 0 the: cost of title Tight it way amount plit-tiously ctatriblIt-cl, than the Owittr siall reimburse the aquisidort exceeds the 14 County all Buch cycess costs within thirty (30) 1 ys upari request by the County. heCourity rin completion ofthe land acquisition. shall reficad to the Owaff all ellc4ss contributions or of rhose I Rod ImairtivanLeWl Within fifteen (15) months after e Iss"affli of the first building permit for a commercial building within the hands, subject -I plat or site plan within the Project, or prior to the issuance of to at, first comortircial subdivisita 0 of occupancy ftw suall building, Ah—iEnris earlier, all of the Plowe I Road Improvements shall tie accepted by VDQTlbr public use or bonded for VDIDT's alreeptainc if such Road Improvements are a primary highway, or iseapted by VDOT for public use or bonded to the County lbr YDOT's acceptatoce if'such Road Improvements are a secondary highway. (it) Flase if Road improvements. Prior to approval of the first site plan that viould authuri2e file aggreate commercials office and hotel gross floor area as shown on Street A witilin the Firijuol it) ieilaeed two hundred ninety thousand (29D,009) square feet, Owner Shall e obtain till associated piermi in kind post all associated bonds required for the QQll4trUUti0;I Of fit f9ilowing (aliffilrdivrly, the "Phissr, If Road kiddp Entrance on 11 �LA�a_tc 29 r Aliside Drive Eastt'R (i) U.s. 29 Soudiscurd Of a continuous 12 iena Wthroudo lane (,,YPh shoulders or huard rail ?a mayor, required by VDOT) starting at a point that is 100 feel north of the Midle Entrance and extending to the point wbere it oonsitcuutud pursuant to Section 5.3.1(ax 1)ffi)� contracts with the portion ofth- laue (If) U.8- Rome 29 Soutfibutand - construction ofdual left turn lanes with taper. (iii) U,S, Rome 29 Smithbound construction Of a right firm food With tairder. (iv) U.S. Route 29 Northbound - construction of a Tight hand turn lane at the Middle Antranae, the geometries of which will be subject to VDOT approval. U�S. Route 29 Northbourid - coustrutAhan of left turn hard (vi we SR 1570 Eustlaound - constru-ctiun of or rdstriping oflanes �vi) to result in Re arable tell, darci and right turn (vii) Enhance ried Wittstbound - installation of a tlaffir. signal with 8 phase ifuniing, Adee dutec4on and ausouiated intersection bliprovanents on U.S. Rold 29. tho crosover. (ix) Frontage wad frorn, Cypress Drive to SR 1570 construction of a public z1rdet to serve curently amnsingU.3, Route 29 through Cypres� Drive, atit between U.S. Route 29 and North Pointe (2) Nordiside Drive E 139ulevard as -,liowrl on Shect D-1. 'on of the Phase 11 Read Innoroypi Cumpleti, mulits. Withill fifteen (15) months after Hie isauance of the first building permit for a building within the lands subject to the hirst sulrdivisityr, plat Or site plat) that would authorize, tho agilregale Commercial, office and hotel Ty f ousand floor area as shown on Sheet A within the Project to exceed two hundred Film h (29�,000) square fiect, Or prior to file issuance of a c-ftificatt, ofoccupancy for any building that causes such gross floor area to exceed two brindled ninety thousand (290,000l Square fi�vls whichaver is earlier, all of tile Plrase 11 Roldi [o)[YrOlimamig shall be accepted by VDOT Tor publir use Or boadcd for VD07. acceptance if such Road linpravarriarr[3 are a primary Collitly for VD07"s highway, or aux�eptcd by VDOT fbr public uha or bonded to tire if5uch Road improvenre-lia are, a zteoridery hipwiry� (c) Phase III Road Improvinanint . Prior to the earnest or: (I) the approval of the first subdiviiiiin plat or site plan that would authorize (lie aggregate number (if dwelling tanits the Project IQ eAcced five hundred fbirly-thice; (533); (if) the approval of a subdivision plot or plan for any dev f the Neighburhoud investment Property fir any portion thereof ca- (iii) Ura fi ve (5) year anniversary of thu dato of isadame of the first certificate of occuraney lor a building Or Premises ibe Project, Owner Shall obtain all permits and pi'st all bonds icclunrd for flit: construction ofthe following road improvements (collectively, tho "Phatit, III Road Improvements") w the extent any autill mad improvements hav,; not already lictur completed: (1) Northurmyst Hatrarre-p iopposife Lewis Clark Drive) oil U,& Rodte2l): (i) U.S. Route 29 Southbound - coranaterhin of left turn laue With raper. (it) Northwest Pwf�iige fimin U.S. Ronne 29 to North Pointe Boulevard- (iii) U3. Roubi 29 Northbound - construction of a right hand turn lano, Me geometries ofwbicb will be atilljoct to VDCIT approval. Ci Y) If no I already Gunsim otild, North Pollard Bou ievard between Northside Drive Best and Northwest Passa&. (Y) If like traffic signal to 'or constructed by others is in place prior to Owner commencing worlic on this Northemmost Entrance, and ouch W41ic signal only includes three lag s, Owner Shall add the fourth leg to the Signal, which shiall include additional rrra�t arms, signal heads and ancillary equipment necessary to support Northwest Passages use of the intersection, as determined by 'VDOT. Ifsuch traffic signal is not in place and the; vehicular traffic poelaird by the Project causas the VDUT sipal warrants to be =4 and VDOT requires that a irnfric signal be installed as a condithinofthe, entrance polinit, Owner Staff instell Such trafficsignat. (2) Not-vAthstanding any other Provision motioned in this Proffer Statement, within one hundred eighty (180) dayi; after w - "ttlea virtim from the County that it intends to build an elementary sellout on the School Lot (as "School LoV is defined in Section 9.1), flit Owner shall submit road plans for did construcion of Northwest Pamagle: from North Pointe Boulavard to U.S. Route 29 to VDOT and to the County for review, and when ati3fautury, approval. Furthenriflore, within twelve (12) months after isiluldrical of tlie building permit for construction of the; eleardtitary school, lod if not already completed, Owner will sumptcle (i) Northwest Pacsa�;e from North Pointe Bolevaj In U.S. Rute: 29, (if) the iorprov4thimis Set forth in Section and (iii) North Pointe Boulevard fivill Nortliside Drive East to Norltrilest Passage. 'I'll allow the development of the School Lot, thot Owner Rhall grant all temorary arsenicals as necessary to allow ingress and agre"I for vehicles and construction equipment, grading, the. instellation and maintenance f-crolon and Sediment con(Tol b1mutolds of metualicS, and any other associated construction easements, as Such emporary casements art Bhown on the 'subdivisior plat or silt; plan for the Lot and mutually agreed to by die Owner and the developer of the Schcol Lot. Compled f the Phu e III Road Imorriviiiiients. Within twelve (12) muntim after the occurfouce of on: appaicallie event in Sction 5.33(c) which required the Owner to obtain all associated permit:- and post all ai%tiociated bonds required for the construction of the Phase III Road improvements, all of the Phase III road improvements shall he accepted by VDOT for publia use or bonded for VDOT's acceptance if Such Road Improvements are a primary higliway, or accepted by VOOT for public use or bonded to the County for VDQJ`s acceptance ifsueh Road Improvements are a Secondary highway, 53.2 Upon request by the County, Own, er shall mdke a cult carlitibuildn to the Cowity or VDOT for the cost of a Qablo or witelass radio system that will link one or mord ofthe signa Is between Lewis and Clark Drive and Ahpurt Road; purvidild, however, that dus total cash ountriblithiii 8hall not exceed thirty-fivo thousand dollars ($35,000)� to matters of force. majewc, if the County does riot request did funds, . or dolts request the finals but ilia construction of the sytittris d Hot ballin by the later of Decernber 31, 2010 or three (3) years after CV111pletion. 0 oas f all of the Road Improvements, said finds shall be refunded to the Owner, 53.3 Nor to the approval Orphans for im;a-uvementa, at any U�S. holds 29 intelsecibH4 Owner Shall provide VDOT oalliv Signal rietwork timing plans that VDOT finds Acceptably ssthe impacts of the proposed tralfic si 'pals for petric traffic periods, 5.3.4 Reginal Ttansportaidon Study; Caj�. Contributititi. THIS PROFFER HAS BEEN SATISFIED. Upon request by the County, Owner shall inake a cash contribution ofune hurdled thousand do!]ars ($100,000) to did Coinny fox the purposes of funding a regional transportation study fiar the Route 29 corridor, whih includes the South Fork and orth FoA- of the Rivarma River and tire HoIlymead Crrjwih Area of which North Pointe is a part. The contribution Shall be made within thirty (30� days after nquestcd by tha�- County arlythare after tire rucruingisupproyed. Ifflit Tuipicilt is not mae within one (1) year after the date oftipproal of the fint final Situ Plan for t1i first commercial bilding within the Project, this protbar shall became null and Ifarich cash contribution is not expended for the tattd purpose within (3) years from the data, the fwids wait contributed to the County, all tm��xlnhdled funds three shall be tefuladed to the Owne, VL OPEN SPACE AREAS AND GREENWAY 6. 1 Pedestrian Parthwa S� All pedestrian pathways shall be classified as shown on tilt! pladeiltriall Pathway Key Oil Sheet G amd�, cicapt for fill! pathway to be onstructed by file county, Shad be showil on die subdivision plat or site plain for the underlying or adjacent ladids within the Project. 'the pathwayf; Atill he constructed by Owiteir Eta Class A Or Class B trails as identified up Sheet 0 and in accordance with the applicable desibix ard Gunstructilm standards it) dre Cmulty's D-31 in Gonjnction With the gn Standards Manual. Such ion shut] be improvements for file subdivision plat or site plan, as the clise may be, and bonded ifir the Streets if the putirays art: is subdivision improvement, or with a bond if the prithwayu are it Site Plan impruvt�melrt. The pathway inwn oil Sh"t ri along Flat Branch nords and soolh ofUlnihsidc Drive Ealif shall nut comattie: through it eld[vect if is CUJVW is US-.d far tire lcam crossing� The pathway intended for the ruilvert between Park E And Park F Under North Pointe Buulcnrd stuff cnflorrin to tire applicable Standards !it VDOT's "Subdivision Street Guidnce' told Oircr shall mainlain the pathway if it IN Frot accepted by VDOT for maintenance. I dellicale to tire County the lake 6.2 Lake, Upon request by the County, Owner" Ehowr on the Appliudifton Plan for public use, provided (hut such lake will be available for use by O*wrinx for stormwator us described in Sheet C to the Application Plan entitleci "Sturalwater and Stream Conservation Plan" C"), VII. TUB SLICTION IN17ENTIONALLY DELETED VIE. PUBLIC INFRASTRUCTURE AND FACILITIES PROFERS 8.1 Branch Library, by the County, Owltur slaill thedircalis to the County the fee (a) Upon reques in the hold shown on Sheet B as it library, ou.misting ofa 15,000 Square foot fully graded pad site, with ufllilids� to accoutimmilate a 12,500 Square foot building lbritirrint, a five fol permaet, strip and up to a 25,000 square foot bmildio& Togedrer with t nonexclusive construction Sta I . d sufficient easomant to the adjawlit craminion area for inip an , hge steralwateir detention and water quality facilities for tho location County Code required padi of a Jollierson-Mulfison Regional Library and such other uses that am, compatible ido the proposed Surrounding uses, its determined by the County (the "Ll y Lot'). bi the wmlz afthapticir sunialou to 00 Goilhary,, ifthe eientfor the library building requirc a largier bililding footprint, the County may authorize The liibmty building ficio(prim to be larger than as stated in the prior Sentence, provided, hoivaver� that the size of the H') and/or the size of thic adjacent parking area area shown as "Park IT on 5ftect B ("Par. immediately north ofthe Library Lot on Shect B �tha "Library Parking Lof� C-hau be adjusted culefirdingly to accommodate such lager bifflding fccrimim, The Owner shallnot be responsible for any atility tap fals� but owner shall complete ro�strucdan of the Illyrary Pfarking Isf and other parking areas scivirig the Library Lot, The Owner helf permit the. County to use the Library Parking Lot andlar, if not already uunstmeted, PaTk 14, for purpses of constructioul staeg, Within twelve (12) months after wrilterr cmfie firom the County that it intands, to begin construction of the library, the owner shall make the access roads and the area of the Library Parking Lot available with at least a four inch oolopticted 5101le base for use as acces's and constrartion staging. Such dieet access serving tho. Library Lot and the I ibrary Parking Lot shal be completed mid available for use in, later than tell (10) FrI afc� issurince of the buildiug permit for film library, pmvidlid� howfvar, chut asphalt pavurount irl'areas used for contliniulion slaging by the County shall not fro required to be 4i3talled until thirty (20) days (or after Coun has such longer Yeasonable time as they be nwe53ary due it) wulher condition.) the ty aUpon the mqu C r ictilowed its mterial and Uqualan ez(tififle utility PRIk 11 sliall also be dudicated to public Me, but ale Owner shall riot be n-spoosible for maintaining ry Payking Lot and other Such park, Owner shall lye responsible For furdirteri of die Libra parkirip Spaces serving file Library Lot and the Couny halt have no obligation to be a nioulber of any owner's assouilrdon, The County's racialist for dedication of tlr� fund PIT the Library W andPark H shall bictoadewithin thred laterto occur of(i)imanco (;]'the firs, residential building permit within file Projectt (11) completion or the ilifoaStridefure (including but not limited to Streets, water, Bawer, cictric, gas) requiri;d for file ase of the recinent oftheOwner and tire County), Ira rdqUdls( jorialach dedication is not written mutual ag made within thice:(3) Years following the later ofthese atthis pfufferivill beitull and vishl. reell Ruar. id file event that the rqahm-nents for the library building require a larger buildhIg firolptirit, and the County d1ins to authezii the library building footprint to be harger than 12,500 square feel purearlot to section 9. l(a) above, and in flit; event that the: boding is developed as a cirdoinhtim and die County xequests; I rier to assume wrsoffhe larger building, Ownex shall actxpt Such owvership at a rclascidable price. apoll which the parties lady mutually agnitc, and shall contribute to file Couirity, on a pro rata basis based oil file proportional siza of -the portion ofithe library building ownied by S of designing all the owner relative to the size of the library building us a whole, the GO t d may fit, soristructing such building. These cost ;Juda, if dosired by the County, installation of a rixi and any additional expenses associated' with Structurally Ybutforaing the roof as I all nlyment necessary to support the gren root Within ten (10) days after-tipt ofa I vaestflol'' by the County that in accomparried by doolimuntialion to, support the paigess payradrit amount as proyided in the construction contract, the Owner Aildl slibinit such payments to did County. Alternatively, in the eyeat the County elects to ildNip the libda�y building as a Leadership all Energy and Design C'LEED") building, the Owner hall coutributt to thn, CQunty� oil R pro Falls basis based on the proportionA size of the portion of the library building owned by the Owner relative to file size of the library bilding as a -whole, the additional costs Of in LEED l, ilding tO obta Ratification for the building. Within tim (10) the librany ba. days after receipt of a request for payment by tire Coomythat is accompaw"W by documeistatical to alipport the progrc,53 paymui amount aspraviclaJ in the construction contrat. the Ownerldrull subutill, such paymoati to tire county. he design or the green Too, Or the criteria utilized to o1inin the LEED certification, us applicable, slad) be hithe County's disrothim &2 Agardable, roror cubjdtt to ills term!; and conditions offlids Section ___U� 8.2, the Owner shall provide a Tainhinam of fifty� (40) "for -gale" residential delling units as affordable dwelling units, it inininium of qL-Lt- (66) "for -rent" residential dwelling units as Carriage House ffordable dwAling units, and a minimum, of four (4) Carriage House Units (as Units are clefilled in Section 8.2(d). The forty �40) "for -sale' residential dwelling units shall be of dre followilig types of dwelling mdjI3, tw1vti fitan mlti-fandly; twelve (12) her(consisting of Lownhouses, driplexult, attached housing, condorairdwits; in the cemmentill areas and Oter laddentificil housing types); and sixteen (16) fi�omt single family detached, each at the sale prices itorder file term,; and coodlumis set lbrill in this Section 8,1 'rho owner shelf coovey the lesprsibilityofconstructiog thc� units to the sabsequccit owilors of lots within the, Property. (a) and "()fbee' For-Sade Affordlible Uni . For multi -family and "othee' tbr-3all, affordable dwelling units. idlin the Property, such units sitall lic, btcdmd�s less than eighty paretint of (he al�a median family affordable to households with income (the "AtIbriclubJe Unit Qualifying slicit that the housig costs onsitithir, Of estate taKes sold insurance (nri) do not exceed thirty percent (10Y.) of Cie Affordable Unit Qualifying provided, however, that ill 110 event shall fire sollim. price (if si;h alfordabic units be labs than the gisauter of Oar Hundred Niaely -f h Usable Thousand Four Hundred Dollars ($190,4W) or Sixty rvu percent (65Y.) OF I c% app Virginia Housing Development Authority P'VIIDA�') rauGdrawn mortgage far first-firoc home buyers at Olt: beginning of the 90-day idandiflDatiuri and qualification period refew, need fit Section 3.2(f)� (b) Shicilt Family Detached For -Sale Aftiordable Units ('N d I �Pricetgd Lq_p� Units" For single family detached for -sale affordablv units widlin, die Property ("I'vinderacily- Priced lunts"), Such modarately-Priced Units shall be affbittatila to houriciolds 'With inconnes less dim wid, hundred twenty poiceit (1201A) of the wes median flually Income (the "Modarately-Priced Unit Qualifying Income"), such that tire hurating coats cadisisting ofPM do a not exceed thirty percent (51r/v) ofthe, Modurintly-Priced Unif Qualify! g Trievisle, provided, fIOWeYCr, that if) ne,61i'alltsinill tile Sallinglirictol'such Mueerawly�PT!cedttnitaberequirod to be less than the greater of Two Hundred Thirty Eight 1housluld Dollars ($238,wo) or ciety peteent (80%) of the applicable VFDA maximum mortgage for firot-thro: Irwin: buytias at the begmiling, ofthe 9&day Identification and qualification period refixenced in Section &2(r), (0) Fer-Rent Affordable Units' For at period of five. (5) years following the date the u-1111ificate ofoccuparrey is issued by the County for each fur-jeat affordable unit, or until ilic units we sold as low or moderate cost units qlhclii�ing as such under ditha lbe Virginia Housing Development Authoritys Farmers Huard AJITriniabodion, or Borusing and Urban Development, Section U, -whichever oornes first (the "Affordable Ternit"), well midis shall be pented to households with incomes few than [lie Affordable Unit Qualifying income. No for-rilsa afrordable onji only be counted more titan once towards the number of for -rent affiardable dwelling units required by this Section 8.2. (i) Cori_wafloc of 4ila-esL All deeds licalveying say interest in the for - rent affordable units during the AffordableTonct --hall contain language reciting that such wilt is Subject to the terms Q! ihia Section 8.2(c). In ildditioh, all contracts pencilling to a conveyance of any for-ruirt affordable cardl, or any part thereof, dia-ing the Affordable Term, shall contain a complele, and hit 6-c-hysure or the restrictions and controls established by this Section �,2(r,). Prior to the conveyance. of any interest in any for-ront affbardablu unit during the Affordable Terin, the owner shall ratify file County in writing of the conveyance and provide the Dame, address and telephone numblar Of the potential granted, and state thal the requirements ofthis Section 8.2(c)(i) have been Satisfied. (b]L ARqual Repo -_it During the AMirdable Term and within ninet ± _�g. _y (90) days fallowing the eLrid of each calendar year, the thell-cument owrier stliall provide to the Albrurnarle County Cifflar a certified annual rtfort of all for -rim! rifibiddlilourtits fortho immediately preclsiblit year in it form and substance Yeasortably acavittalIl, to the Comity Housing Office. Subjecit it) all faderal, state and local housing laws, aiid upon treasonable notice during thd Affordable Tenn, the thdri-Quarent Owner shall make available to the County at the then-curram owner's prelises, if requested, any reports. copies of rental or lease agreements, or other data pertaining to rental tates as die County may reasonably r--olLire. (d) House Lini Carriage house Units Shall meat the requirements for a single family dwelling its defined in ilia Virginia Uniform Statewide Building Codf, Shall be on the, same porreel as the primary d-,valling unit to which it is accessory, and shill not be suhilivirivil 11-tha t1ar. p6niary residt;nce Noose Tire ubdivision restriction shall he included on the plat crillating 3urh parcels and be incorporated into each dead conveying title to sudh parcels. (a) Each subdivision plat and site plan for land wiLhin the Property which includes affordable noitis (whiolit, tbr this Section 8,2(u) shall include Moderstaly-Priced Ujiits) shall d6pitiL the lots or ufllls� at� applicable, tbal vyitl� slitijo to the terms add conditiew of this Proffer, incorporate aftbidable affdesuribed 'Die IHA such subdivision phill or site plim shall include a mirdinum of three (3) such affordable units, Theyeafter, and until the total number of affordable divelling, injits proffered hereunder Shall have bcit fulAW, the Owner sliall proyice a minimum ofthi (3) such affordable dwelling unifs per year. Eachfirral subdivision plat and final site plan also shall include a rouning total of Ilie number and percentage of affordale units pliolditaisly provided and *proposed to be provided by the subdivision plat or Site plaiL For purposes offbili Section 6.2(e), such wilts shall he dectinid to have been provied when the subbe4vent ownerlibildider provides wri0lit notice to the County Housing Office or its designee that the unia(s) will be available for side, as required by ection 8.2(f) below. In the event that the Owner pirivider, more than three (3) affordable dw0ing units in a single year, the Owner may "carry over" or ancredits for such affbidatild uoit�, such that tha additional iff'ordable -its which the tribrimuni annual requirement may be allocated loward tho inittimurn number of affordable units required to be provided for any future year. The maximum number of affordable units that way be carried over or banked Shall not exceed rvvelyc (12) par year. NotwidiaLitaidifing the termS of this Siiation 9,2(e) to the c6litsary, upon the written request of dic Owner, this County may authorize an alternative process and/lor schedule for the provUioti wall'of delivery of such affordable limits uplon determination that the request is in ginters] av�urd with the %a inal intent OfSeellon V andloT otherwise fortbort; the pals ofproviding- affordable housingin the County (fj All purchawts of the fitir-Salid affordable units alrall be approved by the Alliermule County Housing Offirle or its designee, The substcluaid: otivneen'builder shall provide the County or its designes a period of ninety (90) days to identify and prequalify an eligible purchaser for the a0brdable unit. Tha ninaly (90)-day period shelf commerice upon written notice fiern fill- that the unit(s) will be avaliable for sale, IftheCountylarils designee naf provide a qualified purchaser who execuica a cntract ofinuirchase during this ninety (go) -day period, the theo-curmit iwoGobuildor Shall have the right to sell (lie imit(s) Wilhold any restriction an sales price or incoeafthd provided, however, that any unit(s) sold witholit sueli rVatTiCilOn Sall nevertheless be ararcited the number of affordable units rectuired to be provided pursuant to this terms or this Section 8.2. 'nit! rfdd3 - Section 3.2 shalt apply Only to the first sale ofaiwit offlol affordable units, The County shall have the right, frorri time to firrie, rin r=oniible notice and subject to all applicable privacy laws, to inspect the records of Owner or any successors in interest for thepurposca ofassuring wroplianue with this plotter. (11) _CLaj: I-PLO-ffer. 'YHIS PROIFFER HAS BEEN ST19FIED, Within sixty (60) day& after the Board (if Supurvising approvid Of 7MA tire Oner shall cause to, be three hundred dollars ($300,Wuj to the County of Allilurnh; for the Albemarle Housing Initiative Fund or such othuT sirilar fund its way be; ontribution shafl be to fund aribirdable home established or insfirstiz�4 by the: County, The a ownership trado progams within the Project, and other areas of Albetrarle County, including these provided by aln-prorit houtdib amra;;ds uch as the Piodmout Allimic-', liabaftat for flumardly, and the Albemarle Housing Improvement programit. If cash Contribution is not, expanded for the stated purpose within five (5) years from tt,-- the flindis wera contributed to the Cwdyall unoxpeaded funds shall be refunded to 'he Owner. IX. EDVCATIONAL AND (IfFHER PUBLIC FACILITIES days following 9.1 Within tkvre hundred Seventy k270 equest County, owner shall dedicate to the County thi, land shown on the Application by he Y School 12,95 AiA of approimately 12.0 ts Layout", cotti Plan as "Elemenlas � "School Lori, Prior -ion) (flis rane (era suildlerpordort of'such land in flit: County's Sale disciet ler I" a Infaimurn of 95% to dedication, file School Lot shall be gadded and compacted by Own collIpacdon as measurd by a standard Proctor test with suitable material for building led by a professional engeror as otherwise apploed by the Counkv construction as cartif cra�ifwy school. The Engineer to establish a fully grxdbd pad site to accommodate an a Shown oil dne Applicalien, Plan shall be fine graded and have top recreational) field imprvern cuts still and no!! amendin-mis add"l, rewleadoinal fici;js shall bTkwtaHW. these ex istil, at the recreational fields at Baiao-,Buder Efertinstutary Sefton], oxelouivit of any above ilind an roftheSulivolLoton ucaund improvements. The pedtstylan pathways as sholvo On the pe the Application Plan shall be reflected on the subdivision plat prepared by Owner creating the School Lot and the pathway-, shadl be installed the site is grildind far the recreation fields. Ile Owner Shelf provide. all utilities to the School Lot. Tin, deditiallon hall include easements across Owner's land for access to and ust, of Stoma Water Basins 5 and 10 Shown on the Application Plan, together with 1111 lamp esisellawns ir; all"W storthwater' Basin marycon. 10 to be tradlasigued and enlarged, iflarcessary, to accumadoclate the School Lot storincilater, The ebut if thd Cuddly, cletamalnes that the choto! Lot shall be used as an elenteritary School School Lot Will not be us,2Z as air elementary sheol in regi n th it shall be uwdiy die County for park reeftadonal purposes Serving both the North Pointo community id Cie 0 , If a and County does not request that the School List be dedicted by the later of Doccirdier 31, 2016 (which December 31,2016 deadlirtaidwy be extended by wriltai mutual asrewn-in: of the Owner ard! Ulu County), or three (3) years after tire issuance. or the first residenuaI building pQrmit liOD to dedicate the School Lot fur within the Frojeel, the Owner shall be under no further oblig' the. purpose described horain, but shll, by January 30, 2017, of thirty (30) days after such later dh% be used by the pl ute five hundred thoisand dollars p%0,000) cash to the C,-itualy to .., - ------ County for projects idealificti in the County's CIP reaonlIbly related to flic needs of tire isivrth nounity, and art such event the School Lot mav tic seto, other residential purposes Poinfic, coll by ilia County aftr rartoest by Oner Air an allienditical to tire ApplicaAhirl Nall. as approvr] 4 schoxl or for park- and After dedication and before the Czanly uses the School Lot for n the School Lot until ecreational purposelicurd ifrequested by tile County, owner $Jodl maillnu 'h right to Ue. of the requested by tile Couty to no longer do so, laiiijacc to the Owner Schoul Lot for park and recreational purposes. Such park Lind recreational purpocs shalf he only those Il shown oil artuppoaved flird site plan or �ulrdivlsiv plat for the lines 'that includes the SchoolLot. Upon beirorequested try liIt county, shall cease all use and of x that (lie Charity requoitts be file Schoof Lot and remove all improvemilads established by Owne removed. The County shelf not be Obligated to pay Owner firr ally improvements established by Olivner drutfire County raiins. The deed oftiodiciatiin Ibr the School Lot shall provide that if the County a"ein; title to flie School Lot and then does not coustruct either a park or a school swithin twenty (20) years following the data the Board of Supervisors epproves the ZMA Amendircent, than upon owner's requ,st title to the School Lot shall be trifisferred to Owner at on expercia to 9�2 ggLStald yimientit 2nd flus Age. (a) owner shall colistriact ten (10) public bus stop virnolTs as shown on thla, four C i the Application Plan, or ifirwise two (2) in the cuLtharnmost residential are 4) n oommettlial areas and four (4) in the othcr n2sident'al aressi each in a location mutually recilptabit: to Owner and the County. 7ho bus stop turnoff; shall be approved with street construction plans for the Project and bonded and constructed with the siretts, (b) Upon the request by the County, Ownter shall contribute the total sun of twenty live dollairs ($25,0W) cash towuplis end design and Of did above gro,idsd bus stop impirlirestrients such as beriche* and shelters meeting standards established by the Coulltyt each bus stop. )fthe County doc3rot request the funds, ad, equests, flie; funds but does �a later ufDoceinbor 31, 2D15'ar three (3) yie are not construct the bus Stop Improvements by th after completion of the read network thilit includes the buts stop turnoffs, than subject to matters of force anjeure, the ussexpanda +finds shadi, in Ille discretion of at' County, either be returned mains ogran withi 16 Owner or applied to a project identified in the County's capital improve fir I or or adjacent to the Prci that bunefim the Project. 'Within thirty �30) days after the intruchiclioH of -public transportation to (c the Project, Owntrshall conAriblide tworrty4vo thousand dollars ($25,000) cash to the Comfy to Ito used fir operting expenses related to such servirf, and ckall thereater annually contribute Twcaty-Pivu Thousand Dollars (S25,000) cash io the County to bF, usird 'of operating exprnum related to such for a period of nine (9) additional Years, idell that the total funds coninibuted to the County pursuant tu this Section 9.2(L) shall net umcild Two Hundred Fifty Thr,osand Dollars ($25%WO). Ifthe of'public transportaton to the Project does not conimence by the 1= of ten (10) year. after the Board of SuptTylSors approves the ZMA Aniorichittlit, OF seven () years after the date ofthe kationce Of the I certificate ofoe-upidney lot- the firs( coromemial, likii1diap within tire Project, this Section 9.20) shall becuine null and void� X. ACCYS5'J`Q ADJACENTPROPERTIES In,] Dedication of to Par"] 22 F. Unles, the of' pliblic right-orway and the of such street are required in conjunction with the. apirmvid ofu aubdivicign trial inicittv Albemarle Count' y Code 14-409 sud relincd or Owner shall 3-5ervd the fifty (50) foot wlcle� r1glit-of-way Illcaled within lilt: area ahown 1- on Sheet B ar.d identified as a -50' R,O.W. Reserved for Fulure L -dicallon" connectinga tight- of-wayfrourt fireproposed milli entrance road into Noodit Pointe to frill southern property line of Tax Map 32, Parcell 22B (-TMP 32-2213"), Pilot- to the issuance of a building permit for a of the Building 32 as Shown on the, Application Plan, Owner shall record in the Clerk's Offic, Circuit Court ofAlbernarle County, a cmvu% irrevocable dead ofel-dication dediGating to public use for road frurpluires, the area labeled 1,50, R.O.W. RelIerved Air Future Dildhatticids." Owner at it it is not par glon plat approved by the County, such ofF--r of acknowledges; dill t of a Bubdivi ery go 2 and accepted by the dedication must be frixt reviewed and approved by the Board of SUP i I Dualard. 3itch deed of dedication Shall bicledu the following conditions: (i) that TMP 32-22B Is fien Aall hineclican ulizoried; and (ii) that prior IQ its use %f mild purposes, there Awl aveir constructed on flic land so dedicated it road approved by the County and acecpLad by VDOT far public use Or banded for VDOT's laccairturi At the time ofthe construction of the Vftcosra read did Owner ld sMing Building 32, orril construct the jai-, action curb still or the road serving TMP 32�22E and extend comtruction ufsuch Toad for at ]east 2 mildolum OfOnc handiled 000) feet fiem Northishle Driva East. The Owner shall also lillicc Sit the ZA O'Such extended road, a sign, approved by the County, advising and mitilfying the pj'olic thit such right-of-way is die location of a future, road extei Ovvyler ahall grant temporary cGrisIstiction casuments its dollMilled necessary by d, County &gmey to allow for the read to be extended to TNIP 32- 22F, Which construction easternerits shall be on Owner�s property and Outside of the didicated right-of-way, tind shall bid established by the applicable si - PI to an. No improvements shall be located within the lernporrary construction. easements until contraction Of sue h -1 It road as baill coanplctcd� 10,2 Aamy to TAi MAP oods Mobile gonle p prove q wa a this Canstrii on . Unless the dedicating offlublic right -of. y a d -A of Such uIreet are required it, conjunction vvith the approval ofa subdivision plat raider Albemarle Coanty Code § 14-409 and related Sections, or their successors: Owner She]] reserve an area !it the location labclild "50' R�O-W- Rsmcd for Future � cad from U�S. Rclufe29on Sheet Dedication" at the eastern end of tile main commercial sece $ 1 B for access to Tar Map 32A. Section 2t Parcel 4 V'TNW 32A-2-41). Prior to the issuance of a building permit ibr Building 6 or Buildintp, VI through V6, each as shown on the Application - 11 record fit the CierVit Office Of tile Circuit Court 0, Plan, abichlever is car(ter, Owner shil Albemarle County, a current, irrevocable deed of dedicatio dedicnng to public use for road purposes, the area fabl,,Rul "50' R.O.W, Re-l-ved for Fwurf: ackowledgcs that if it is not part of it subdivisiou Phil approved by the County, s4en OfFer Of dedication mast be first reviewed and approved by the Board of Supervisors and ccepby tire Board. Such deed of dedication shall include the following condikionu: (j) thatTNIP 32A-2-4 shall have Wall upiloricil, land (iii) that prior to its use. for road purposes, there shall have heart cauristiamied on the land so dedicated a read approved by the county and acveptad by VDOT for public use or bQiidfd for VDOTs-- acceptance. At the drr.L of the consiructlull of the roundabout Serving Building 6 and Buildings VI through V6 the Owner shut] construt the intersection curb radii and extend construction of die mad for a distance of at least thirty feet beyond tile roundabout. The Owner hall also plaer at the end of such "Iendtill road, a sign, approved by die County. advising and notifying tile public that such right-of-wtv is the loutiou Oro ftury road t4terysical, milditions orthe dedication have been satisfied, and ifrequested After dedication and before the c by flit! County, Owner shall riallitain the dedicated land until requested by the County to no lGm8cr do so, Subject to the Owrldr,s right to exclusive, am of the dedicated land for park, rcereadonRI, and/or greenspaice Upon being requested by the County, Owrier sthald of fibe dedicted land and remove all jurpativeincias established by - 5 emporary construction Owner (if any) that the County nequic5ts be removed. OWrICT shall 9Tzr t i car to allow for the mad to be extended easements as dictermined necessary by the County Eh&in to TNV 32A44, which construllflun ful3onedrilit shall be Oil Oviluee S Property and Outside of the dedusated right-of-way, slid Shutt be established by the appilleable, site plan, No improvements shall be located within the temporary ealicireats until construction of Soul, read has bram completed, XLSIGNATORY 12.1 Certifigute The widirrigit-�d certify that they art: the only owners offirle Jal%)Pffly`� which is the subject ofthe ZIMA Amendment, shall run with die Property and each to 12-2 The Owner. These PlOffm Owner within these thin its theaning, and shall be binding Upon, Ownur's successort proffers shall include wi Y an pu On of the Property. s) ill interest andlor the devoluittl(s) Of the PYOPUTY 0 Y rallow) 903 (Signirm. Pa imaridiatelyr am the M This Proffer Statement may be signed in counterparts andfor vill fee i Re v ith 55 a fill] fore-- arA affect as were Original and on cula document. Siarriatur-s of trout Purchaser anti ll L Do' e; rTB POINTS Great Ba5t-m Managrr FALTII OF VIRGINIA COMMONVI OF CHARLOTTESVILLE aid hereby certifice that Ord, filsoers awry act f P a 9 C, aof I f 13 adon arfity J a day of 2413. Giran under my hand this my Winning. expires: T_ [SLAL] Notary Pit tic a& MS L.L.C. VIOLE I'LL A Byc featEasittmiliflundi ord COI anag t It 3 Date: LF C OMMONWEALtH OF VIROP11A COUNTY OF ALBEMARLE in and for th,-jurisifietioa aforesaid harlebycaritifies that _ftk��f Great Eastern co %mdersigrer) Notary Folialfil, in an ..Ir whose name as Manager orviblefifill Associates, L.L.C., a Virginia limited liability company, is signed 10 the Amended and Rstausid Proffer Stafearrialit bearing the date as of acknowledged the same before Fire in my jurisdicliun aforesaid oil behalf of W limited liability company. Given under my hnd this dayof.2 M MY ommission expires: [SE ALI 1 CAWWWWA, 0 conlim. E v CWH l'Opi LIITED PA11rER3HIP T Lunited Familershill nd parmer Y. Geal Eastdril marial an Vale; COMMOINVEAl-T11 Or VIRGINIA COUNTY OFALBEMARLE hF-1 thilt Y, Limited stae for, me: QfALbVt 2f)l 3. Givenonder my hand this w My cormin !i;st�a ire W 16, �P_ f T W Com. F-Ito. Mirch 3 1. 2014 Nola(y PuMiE on db `1 dD U) BRIAN C. 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"'F.., °•-,.. 1 ! t 1 ! > t t \-( `LIMITS CF r // rrr r! OUTI,eT R -,.DRITADIS� r �' r ,.. r e r ✓ r' p-. r e m o♦ .+! << ,,,.,,,•• !' � 1 � p t 1 J \ � � � \} art. � 1 i 1 # 1 } 1 1 t t t♦ m__...,.....°.e--_.._._...s,�•" � r. . � ,,,, ,,.. "'1 s J �.°� rI. � r°„•.•m rn ®' ,".' ti "`^ ., ,.-m; .».-' -- _ '" `Q r ..' J } } ,� � t d t = _. f J i t t i 1 ♦ t+L�J II�� / r - .-- - -P < � s• s� r � ', � rr`®_ ..✓.a. ♦. �t t t t t o d ll' I I fIp .•' r r r' e r �? I r o \ '� ,..-.y`�"""".1r ,` r r< t' t t # i 1 i t tl t t 1 t rJ } I I 1 t 1 t i �Omvn._.....o...-•'...._."..",sy�+-'"°"..• rr„r'" r,yr s r r r r r ® r""' ' , ® rr' .+ ,''y- /r Ir< /r ! / `K✓ < 1 1 1 J V t t < i \R ' ' ....._ `..er Ii J 1 1 ! J 1 F I i \ t 1 1 4 1 } 1 F } y 1 i \ � a,• ... rr .r ,,, r ---^- rr / s., �• t J I 1 t 1 � 00 rr-_e �e®•r r r,r rr ,,,,r r � \ s aj 'r r '°.7ea, ,e.• „, , � J 9 i } 11 � � e _se ,, ,, ,.• r r °°^".,.-..^"'"" `"'®, .""' EROSION CONTROL '-m{` '�� t 1 # , i t t } i } I ' ! 1 t \ > r ' 1 r .�-^'®^-•~-^'"+ r t 1 r"°' \ r r r r /rI t \ \ r r r .. mm f 1 1 ) 1 i t} R r 1 d 1' } i t I t t \ ° /'" /r rr Ca g f1 O ! r s *•,_ ---��°-�°' 1 r r``---o {1 ! 1 t t t i i \ 1 # i I I "� '^ •� ../" ,s'' .,•'' �y < /` ..K ^b.. - _.--°.w ....`" _.` �. `,g '"", �° s EROSION CONTROL DEVICES AS PER VIRGINIA // 1 ! t ! 1 ! t 4 I 1 1 1 t / - � r r r rr .�b - �♦� ' s r ell ram' .. >, o ,, ! i / t 4 } 1 t I t �• r� / ✓ r r/ / „�• rr,.9,w •,..,. m,..-> , ...._^ ._.-...___ .,„,n, �^,, °�,a EROSION AND SEDIMENT CONTROL HANDBOOK ®'" ' ♦ I J r� .r ` '- r t i ! ! / 1 } I 1 \ .{+� ♦ } \ t " ,. , s, '" `- J t ! I # / 1 4 I i t `° 1 I t e r' `" / r �..= t? <� r � r � �,�°•/ / <'` ..moo,• •^"' °♦. � rr '^......1 t 1 /r .," `",, ",,, < f 1 ! J I I t i t (4 l i t t /,.- Ia re s / / £: - �} r r r ,, r ,r ...._••^, ..,� �..: ""'`m STD. & SPEC. \ f a r t ! 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A f� 1 i! ; t1iI ttI 1;I1".'��♦,°r'' ' _`'e�♦�, •R-. -gymmm -<,m"'°. `'»..._® rrss' r/°� rr!i t .< !°gt � m'"; r♦..�„ 'i` _1e•_r p-_9_sp®-ar__ 4_ SJ"�_,�-_°• ;-:A;`�`® - ��Pr"� _!yP �r -®- � .-/• t, >''n_- °� !A _4rTEMPORARY SEDIMENT TRAP QD -a`.Q�I- ` €Cra�efef -- ROCK CHECK DAM £3 "`-a. j �tij�J fl /` rO't�t c✓%�,f ✓ f O ,••-° a s� _..... --//" '` ��/`, % �/�'✓'1r�rr' r'r .o' / ,,.• ✓ dr r /®' J ,,,'`" .r' /" "s"_t;"' /S o !' j/ � i� � -�. � � � .r' •,'• 'r r'' --� rr � e'r i f j>✓'tj r r/ '"ems f 1� ° a LIMITS OF CONSTRUCTION -- r %' s' // s'-- i i /t r 1 / I 1 i I t < ! / 'a m ! j r 1 e r r r} r { _ it J I t m T mm - �� v / "Ca t/ rsrre f t� / / \ "'• / ! # � y 1 i ...../'��. TS TEMPORARY SEEDING m / ! t / / o♦ \\ R -s t If J B i t t d Jw a ! j t <r'®^ <- ®v_ � ! ♦ ! ! r 1 I 1 g { q r ! - t d -` - ,-- CRITICAL SLOPE01 PERMANENT SEEDING ♦°\ I / ! / '°♦ ° •, \R \ t! # // I i } jJ } } f / £3 / _ e s / / Jy .! r e P ^✓ '° GRAPHIC SCALE R r 1 d 1 / \ ► ' \ i I t J I F I £J ,r // C 1 1 ° tt• �l , r' �' i - PRESERVED ED 1QO 0 5D 10D 200 r /f 1° 1/ I ( !/ r ` 'i ; t \t y C9 MU MULCHING J \ t i / r - / t R-3 !� r - ✓ �? 1 I 1 ! rs' Oa r r t -®'' dam' ° r- 1 � DC DUST CONTROL ! ! / 1 ! e r (3rr 3%(i 9° 1 q { t i I r , 1 / g t } e 4 ♦ } d r +mac / b/ C' p� �p �y �p�g t tit ! t t !1 ! - 4' d i 10MANACED F'I'i'Ir''2' C3 'j <! e' - r• = 1 !lfYsr� S° ��� / --- 1 inch 100 ft. 0 ..........__-...�_/ .<° .,./e i:, )`'�•':.. s ' r r ! ! .. _.�.." "`°'-„._ di. t_.`':,; a ''� .. t J itr •' JJ J _ -' __®____- i_... _ r I T REFERENCE POI — 1 1 ! d F M� - SF rr �:"'f"�., t � l \ i 1 e 0•'a dd tt' � t,-, t !d dd P t ! r + + '� s'"' � J ,O ,.- `', u TS `` . yd F t 1R t I t t ) t ®1 R AN '�� d i __! ..—�w!.--..-.-- 1^— R�t_..•._�v t t io. a$`/ F P F F S , l / ,, ) i i \ t t t R '~• .>' ! I ��'-., r ! St i / R +. k� � rti cy •x t - ;�,.. xs� � fit. � ,: ' _ �; - ' ,,� •. `' �y�1ir rY DISTURBANCE/ aXMING u WO Tr�M T T + \ S ° R THE S t dJ RR R\R RRa Ra LIIS�I% OF', ee R 7 ISTiJABAN / R\ N -c.., SF � \ R �R l t , R, °®`"a„��''•at �t a,t aj 1 I j S � tp I I ) S ! r { DD 1� I SFt i; Jp JJ F F 1 1 )d�� � 1 � � ( ,.:q;,�°a o\� ;'° Rq".,, �•r�°''rP d . ,l' i IJ aaR ®\ � � � 1 p 4 i p ) ! �jJj1 d `a �, J-rr_. ' dd tt S �pa.� � •� J // � f 1 I 0. \ e- a � M �J .^•-"e"'e'' idf ;i d' t i �„ � 1"►� C CONSTRUCTION NARRATIVE PROJECTDHSCRIPT'ION THIS PROJECT INVOLVES THE CONSTRUCTION OF A 98-LOT SINGLE-FAMILY RESIDENTIAL DF;VI,'I.0PMH.NI' THAT IS PARTOF'l'HF{ OVHRAI,I, NORTH POINTS, DEVELOPMENT. THE PROTECT ALSO INVOLVES THE MASS CT:RAI)ING OF A FUTURE APARTMENT SITE THAT LIES IN TIIE CENTER THIS PROJECT, ALSO A PART OF TIIE OVERALL NORTH POINTE PROJECT, AND THE INSTALLATION OF TWO LARGE SW IVI/BMP BASINS ANDTWO NIO-RETENTION BASINS. T'HF. FOUR HMPS HAVE BEEN DESIGNED TO COLLECTIVELY ADDRESS TIIE WATER QUALITY AND QUANTITY ASSOCIATED WITH THIS RESIDENTIAL DEVELOPMENT. THE FUTLrRE APARTMENT SITE; AND A PORTION OF A FUTURE RESIDENTIAL DEVELOPMENT EAST OF THIS PROJECT. WATER AND SANITARY SEWER WILL BE EXTENDED TO SERVICE TIIE FUTURE NORTH POIN'1'E I)F:VF'I,OPMF;N'1'S.'I'FIF; DISTURHE1)AR, EA ASSOCIATRDWW'ITH THIS PROJECT IS APPROXIMATELY 50 ACRES, EXISTING SITE CONDITIONS 'fFIE EXISTINO SITE IS MOSTLY FORESTED. THE NIA.IORITY OF T FIF+; SITE' SLOPES NORTHWESTTO FLAT BRANCH. THE SITE CONTAINS WATERS OF THE. U.S. THAT SHALL REMAIN UNDISTURBED F:XCF:PT FOR THF. PF;RMI'1THDARHAS TO HH. IMPACTED. GRAVITY SANITARY SEWW%ER AND A 12" I ATERLINE ARE AVAILABLE FOR CONNECTION ON TIIE IvI DDLE ENTRANCE ROAD AS PART OF TIIE A'ORTHPOINTE ,ll1l)1)l,h:' fs,tr`Ih'<I-V(`h ANT) ROU' h, 291.1-If'Ktli f,:t/f:'V%:4 PRO.IF;CT. HACH WII.I. BE EXTENDED TO SERVICE THIS PROJECT AND FUTURE NORTH POINTE DEVELOPMENTS. ADJACENT AREAS TIIE SITE IS BORDERED BY THE AlORTHP012WE ATIT DLL E,N'Tk4jVC fl ,LVD RO UTR 19 IbIPROFETIE,VTSPROJEC'T AND FLAT BRANCH TO THE WEST. PRITCHETT DRIVE (VA 785) TOTHE SOUTH, AND A FUTURE URE NORTH POINT'H:. RESIDENTTA I, DEVHIEOPMHNT" TO THE EAST. OFFSITF AREAS THERE IS NO OFFSITE WORK PROPOSED WITH THIS PROTECT. SOILS THE SITE IS CHARACTERIZED BY SANDY, LEAN CLAY (CL) AND SILTY, LEAN SAND (SDI). CRITICAL AREAS TIIE CRITICAL AREAS ASSOCIATED WITH THIS PROTECT INCLUDE FLAT BRANCIIAT THE PROPOSED CROSSCREEK DRIVE ROAD CROSSING. DISTURBED AREA SHOULD BE LIMITED TO WHAT IS SIIO�%Ti,t ON TIIE PLANS. OTHER SENSITIVE AREAS INCLUDE WETLANDS AND WATERS OF THE U.S., CONTRACTOR MUST CONTROL EROSION AND SEDIMENTATION FRONT LAND DISTURBING ACTIVITIES AND PKF;VFNT THF;M FR40rvI ENTERING WATERWAYS. THIS SITE IS SET UP TO DRAIN TO FIVE SEDIMENT TRAPS AND TWO SEDIMENT BASINS WHICH t III, HE MAINFAINEI) UNTIL THF: SITE IS STABILIZED. TEE. SITE CONTAINS STEEP SLOPES THROUGHOUT THE DISTURBED AREAS. THESE DISTURBED AREAS WILL NEED TO BE SEEDED AND STABILIZATION ACHIEVED TO PREVENT EROSION FROM OCCURRING AS THE WORK PROGRESSES, THE CONTRACTOR SHOT JLD ALSO TAKE CARE TO DEEP CONSTRUCTION ENTRANCES IN GOOD WORKING CONDITION IN ORDER TO NOT TRACK MUD ONTO EXISTING ROADWAYS. EROSION AND SEDIMEN 1' CONT'ROL MFASURFS - PHASE I I - ALL EROSION AND SEDIMENT CONTROL MEASURES MUST BE INSTALLED, MAINTAINED AND REMOVED IN ACCORDANCE WITH THE CRITERIA AND GUIDELINES CONTAINED IN TI IE CURRENTEDITION OF TI IE VIRGINIA EROSION & SEDIMENT CONTROT. HANDBOOK. 2 - PERMANENT' OR T'EiVJI'ORAIZY SOIL STABILIZATION SHALL BE APPLIED 'TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE.. T'F:MPORARY SOIL, STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THATMAY NOT BE AT FINAL GRADE BUT WILL REIvLMN DORIAANT (UNDISTURBED) FOR LONGER TI IAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS TLL&T ARE TO BE LEFT DORMANT FOR :MORE TIIAN ONE YEAR. 3 - WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE T'O MIMMII.F, 1'HE'1'RANSPOR'I' OF SEDIMENTHY (VEHIC'ULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ED ONTO A PUBLIC ROAD SURFACE, T'HE ROAD SHALL BE CLEANED THOROUGHLYAT THE: END OF EACH DAY. SEDIMENT' SHALL BE REMOVED FROM TIIE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREF;1' WW'ASHIN(i SHALT, HE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4 - UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITHPIA: A - NO MORE THAN 500 LINEIW_R FEET OF TRENCH NIAY BE OPENED AT ONE TIME. H - EXCAVATED MATERIAL SHALL BEPLACED ONTHE UPHILL SIDE OF TRENCHES. C - EFFLUENT FROM DEWW'ATERING OPERATIONS SIIALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE. OR BOTH. AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STRErLIvIS OR OFF -SITE PROPERTY. 1)- RES'TAYILIZATION SHALL BF. ACCOMPLISHED IN ACCORDANCE WW'FI'H TFIFSF. REGULATIONS. E - APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. 5 -ADDITIONAL, EROSION CON TROT. MEASURES MAY BE REQUIRED BY GINEERING IF WARRANTED BY FIELD CONDITIONS. ENVIRONMENTAL EN 6 - THE TEIVIPORARY SEDIMENT TRAPS OR SEDIIVIENT BASIN SHALL NOT BE REMOVED UNTIL APPROVED BY El'PvgRONNlFNTAL ENGINEERING. 7 - A VDOT LAND USE PERMIT IS REQUIRED FOR THIS PROJECT PRIOR TO ISSUANCE OF A LAND DISTURBANCE PERMIT. 8 - AT THE TIME OF THE PRE -CONSTRUCTION IVI ETING, TIVO STANDARD SIGNS MUST BE INSTALLED ON EACH SIDE OF THE CONSTRUCTION ACCESS. THESE SIGNS SHOULD STATE EITHER "CONSTRUCTION ENTRANCE AHEAD" OR ''TRUCKS H.NI'ERIN(i IIIGHWVAY". CONSTRUCTION SEQUENCE I'O BE AS FOLLOWS: 1. THE OWNER MUST GIVE. THE COUNTY INSPECTOR 48 HOURS NOTIFICATION TO SCHEDULE A PRE-CONSTRI_JCT'ION MEETING THATWILL BE HELD AT COUNTY OFFICE BUILDING LOCATED AT 401 MCINTIRE ROAD FOR THE ISSUANCE OF A LAND D1STURRANCE PERMIT. 2. THE CERTIFIED RESPONSIBLE LAND DISTURBER (CRLD) Nil TST ATTEND THE PRE - CONSTRUCTION MEETING . 3. INST'ALI, CAUTION TAPH: ALONCI THE, 50' UNDISTURBED CONSERVATION AREA FROM FLAT BRANCH TO PREVENT CLEARINCT TIIE 50- CONSERVATIONAREA. =4. INSTALL CONSTRUCTION ENTRANCE ON THE ENTRANCE DRIVE AND PROFFIT ROAD LOCATIONS AS SHOWN. 5. INSTALL TIIE PERMANENT STREAM CROSSING ON CROSSCREEIC DRIVE INCLUDING STORM STRUCTURES 1, 2, 2A, AND 3. S"1"RIJC"I-tJRH:2 SHAI.1, HE INS'I'AI.I.F:1) FIRS"I' SO TIIE STREAM MAY BE DIVERTED THROUGH STRUCTURE 2 WW ERLE STRUCTURE 2A. IS INSTALLED. 6. CLEAR PRHI,IMINARY I,IMI'1'S OF DIS'I'[1RPANCH;AS NEEDED T'O INS'I'A1,1, SEI)[MkN'I' TRAPS AND BASINS. 7. INSTALL SEDIMENT BASIN 1 AND 2 AS WELL AS SEDLENT TRAPS 1., 2. AND 3. GRADE IN SEDIMENT BASINS AND INSTALL THE; RISER. BARREL, AND OUTLET PROTECTION AS SIIOWVN ON PLANS. CONTRACTOR TO REFER TO THEROAD PLANS FOR THIS PROJECI' FOR DE-I'A[I,S ON THE FONT) GRADIN(i. INSTALLATION OF TIIE CLAY CORE WWiIl'HIN TNA:DAlvLAND T'HE 12-DRAIN, VALVE AND CONCRETE SLAB REQUIRED FOR THE BASIN, S. CLEAR PRELIMINARY LIMIT'S OF DISTURBANCE IN 'THIS AREA AS SHOWN NECESSARY TO INSTALL ASSOCCATED TEMPORARY DIVERSION DIKES AND SILT FENCE TO DIRECT RUNOFF TO SEDIMENT BASIN AND 2 AS WEL AS SEDIMENT TRAPS 1, 2, AND 3. 9. INSTALL SEDINIENT TRAPS 4 AND 5 10. CLEAR PRELIMINARY LIMITS t �F DISTURBANCE IN THIS AREA AS SHOGUN NECESSARY T'O INSTALL ASSOICAT'EI) TEMPORARY DIVERSION DIKES AND SILT FENCE TO DIRECT RUNOFF TO SEDINIENT TRAPS 4 AND 5. 11. INSTALL ALL TREE PROTECTION AND SILT[, FINCH 12. CONTRACTOR SHALL CLEAR SEDIMENT TRAPS 1 - 7 AND SEDINIENT BASIN 1 AND 2 OF SEDINIENT THAT BUILDS UP OVER TIME AND PERFORM ANY REPAIRS NEEDED FOR T'H'RAPS AND BASINS TO FUNCTION PROPHRLY. 13. AFTER TIIE INSTALLATION OF ALL. SEDIMENT TRAPS. SEDIMENT BASINS, AND OTHER INITIAL EROSION CONTROL (EC ) MEAS ORES, THE COUNT TY INSPECTOR AND CRLD Mt1STMF;H I T'O INSPECTEC MHAS(1RES HEFORE PROCEEDING T'O PHASE 11. PERMANENT STABILIZATION THE CONTRACTOR SHALL PROVIDE GRASS STABILIZATION ON ALL DENUDED AREAS PRIOR TO TURNOVER OF THE PROJECT TO TIIE DEVELOPER. SEED SIIALL BE APPLIED AS DICTATED IN TIIE VIRGINIA EROSION AND SEDINIENT CONTROL HANDBOOK STORMWAT'ER RUNOFF CONSIDERATIONS FOUR BMPS HAVE. HEEN DESIGNEI)T'O COLI.ECT'IVFLY AI)1)RESS T'HF. WATER QUANTITY ASSOCIATED WITH THIS RESIDENTLAL DEVELOPMENT_ THE FUTURE APARTN ENT SITE. AND A PORTION OF TIIE FUTURE RESIDENTIAL SECTION EAST OF THIS SECTION. THE POSTDEVELOPMENTRUNOFF WILL BE CONTAINED ONSITE IN TWO RETENTION BASINS AND'TWO BIO-RETENTION F'IL1116 THATARE DESIGNED TO MAINTAIN A STORM POST -DEVELOPMENT RUNOFF RATE THAT IS LESS THAN TIIE STORM PRE -DEVELOPMENT RUNOFF RATE FOR TIIE APPLICABLE SITE AREA. MS-19 IS BEING ACHIEVED WITHIN THE NATURAL CHANNELS THROUGH THE STORM BEING CONTAINED WITHIN THE, CHANNEL. BANKS AND NOT CAUSING -THE CHANNEL. BEDS TO ERODE. MAINTENANCE IN GENERAL, ALL EROSION AND SEDINIENT CONTROL MEASURES WWtILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT R-tUNFALL. SITE INSPECTIONS SHALL BE. CONDUCTED AS SPECIFIED IN VAR Q-PART II-F. ATTENTION WVILL BE GIVEN TO THE FOLLOWING ITEMS: a. SEDIMENT TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITI-I TIIE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK b. THEBASIN EMBANKMENTS SHOULD BE CHECKED REGULARLY TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. THE. BASINS SHOULD RE CHECKED AFTER EACH RUNOFF -PRODUCING RAINFALL FOR SEDIMENTCLEANOUT. WHEN THE SEDIMENT REACHES THE CLEAN -OUT LEVEL, IT SHALL BE REMOVED AND PROPERLY DISPOSED. C. SILT FENCE SILALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL ANY REQUIRED REPAIRS SHALL. BE MADE IMMEDIATELY. SEDIMENT DEPOSITSHOULD BE REMOVED AFTER EACH STORM EVENT. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER TIIE SILT FENCE IS NO LONGER REQUIRED SIIALL BE DRESSED TO CONFORM TO TIIE EXISTING GRADE, PREPARED AND SEEDED. D. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WIL L PREVENT PROPER. DRAINAGE.. IF THE. GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED. OR IT WILL BE REPLACED. E. DIVERSION DIKES SIIALL BE INSPECTED AFTER EVERY STORM EVENT AND REPAIRS MADE TO THE. DIKES, FLOW CHANNELS, OUTLET OR SEDIMENT TRAPPING FACILITY, AS NECESSARY. ONCE EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT,THE MEASURE SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE• TIIE END OF EACH WORKING DAY. DUST CONTROL THE FOLLOWING TEMPORARY DUST CONTROL MEASURES SHALL BE USED DURING CONSTRUCTION: - VEGETATIVE C()WTER: INAR€AS SUBJECT TO LITTLE f)RNG CONSTRUCTION TRAFFIC, A VEGETATIVE STABILIZED SURFACE WILL REDUCE DUST EMISSIONS. - MULCH: NOTRECOMMENDED FOR AREAS WITHIN HEAVY TRAFFIC PATHWAYS. - IRRIGATION: SITE TO BE SPRINKLED WITH WATER UNTIL TIIE SURFACE IS WET. REPEAT AS NF:F.1)F;I). IT OFFT_RS FAST PROT F.CT'ION FOR HAUL ROAI)S AND OTIICR NAVY TRAFFIC ROUTES. IN AI)1)I'1'ION'I'O "THF: "I EMPORARY DUSTCONTROL. MEASURES, PERMANENT METHODS SHALL BE APPLIED AND THEY ARE AS FOLLOWS: - PERMANENT VEGETATION: APPLY PERMANENT SEEDING (PER STD 3.32). EROSION AND SEDIMENT CONTROL MEASURES - PHASE II I - AU. EROSION AND SEDIMENT CONTROL MEASURES MUST BE INSTALLED, IVL,INTAINED AND REMOVED IN ACCORDANCE WITH THE CRITERIA AND GUIDELINES CONI'AINEI) IN T FIF: CURRHN I' EDITION OFTHE. VIRGINIA EROSION K SF,DIMF:NI' CONTROL HANDBOOK. 2 - PER-TvMNENT ORTEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WUITF ,,I SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF TIIE SITE. TEMPORARY SOIL STABILIZATION SIIALL BE APPLIED'WITIIII'l SEVEN DAYS TO DENUDED AREAS THATMAY NOT BE AT FINAL GRADE BUT WILL REMAIN IX)RMAN"I' (UNDIS'1'tJRF,F.1)) FOR LONGER T'FIAN 14 DAYS. PERMANENT STABILIZATION SILALL BE APPLIED TO ARRAS TILAT ARE TO BE LEFT DORMANT FOR MORE; THAN ONE YEAR. 3 - WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SIIALL BE IVIADE TO IVENI MIZE TIIE TRANSPORT OF SEDINIENTBY (VF,MCITf_AR) TRACKING ONTO THE PAVED STJRFAa_'IK WHERE. SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SIIALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELINO OR SWHEM N(T ANT) TRANSP( )RTHI) T'O A SEDIMENT CONTROL. DISPOSAL AREA, STREET WASHING SHALL BE ALLOWED ONLYAFTER SEDMIENT IS REMOVED IN TIIIS MANNER. 4 - UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WW'ITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A - NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. H- EXCAVAT Hl) MATERIAL, SHALT, HE PLACED ON T'HE UPHILL. SIDE OF TRENCHES. C - EFF LUENTFROM DEWATERING OPERATIONS SHALL BE F ILTHREI) OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE; OR BOT'II, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSEL Y AFFECT FLOWING STREAMS OR OFF-SI"1'E PROPERTY. D - RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. E - APPI ACA BLE SA F H:T'Y RE(IULAT'IONS SHALL HE COMPLI N) 5 - ADDITIONAL EROSION CONTROL MEASURES NIAY BE REQUIRED BY ENVIRONMENTAL ENGINEERING IF WARRANTED BY FIELD CONDITIONS- 6 - THF. TPAIPORARY SI,.DIMFNT TRAPS OR SH:DIMHNT BASIN SHALL, NOT HE RFNIOVFD UNTIL APPROVED BY ENVIRONMENTAL ENGINEERING. 7 -A VDOT LAND LJSE PERMIT IS RHQUIRFTI FOR THIS PROJECT PRIOR TO ISSUANCE 01-, A LAND DISTI_TRBANCE PERMIT. 8 - AT TIIE TIME OF TIIE PRE -CONSTRUCTION IVIEETING. TWO STANDARD SIGNS MUST Fit; INSTALLED ON EACH SIDE OF THE CONSTRUCTION ACCESS. 'THESE; SIGNS SHOULD STATE EITI IER "CONSTRUCT'ION ENTRANCE AIIEAD" OR "TRUC:KS ENTERING HIGHWAY". CONSTRUCTIONSEQUENCE TO BE AS FOLLOWS: 1. CLEAR AND GRUB TO FINAL LIMITS OF CLEARING. 2. INSTALL ADDITIONAL SILT FENCE AS SI IOWh'N ON TIIE PLANS. 3. BEGIN SITE GRADING OPERATIONS. 4. INSTALL SANITARY SEWER. 5. GRADE ROADWAYS TO SUBGRADE. 6. INST'ALL THF: PEDESTRIAN TUNNEL AND HEADWALLS ON THE ENTRANCE DRIVE (STRUCTURES 4-6). 7. INSTALF. STORM SEWER PIPES AND STRUCTURES, INSTALLING INLET PROTECTION FOR THE DRAINAGE INLETS AS PROGRESSION OCCURS. 8. INSTALL WATERLINE. ). INSTALL CURB AND GUTTER. STONE. AND PAVEMENT. 10. SEED AL I, DENUDED AREAS. IE ONCE LAND DISTURBANCE AREAS HAVE BEEN FULLY STABILIZED; CONTRACTOR SHALL REMOVE SEDIMENT TRAPS AND OTHER EC DEVICES (WIT11 EXCEPTION OF TIIE SEDIMENT BASINS) UPON APPROVAL OF ENVIRONMENTAL INSPECTOR. 12. ONCE SEDIMENT TRAPS 1 AND 5 ARE, REMOVED. PERMANENT RIOFFOLT ERS SHALL, BE INSTALLED, RESPECTIVELY. TIIE SEDINIENT BASINS SIIALL REMAIN AS TEMPORARY SEDIMENT BASINS UNTIL TIIE FUl'URE APARTMENTSITE AND ADJACENTRESIDENTIAL DE VELOPMENI' ARE CONSTRUCTED. ONCE; THESE. FUTURE SITES ARE STAP,ILWED. THE BASINS MAY RE CONVERTED TO PF,RMANF.NT SWMIP,MPS. W BRIAN C. MPrCHELI Llc, No, 035724 M I'' 12118118 I 0: Q r �► it r- r :Nl t • Ir`U�+'. rr i 1 i REWSIONS rLDATE MEM d 0 v 0 0+ 0 3 c E 0 c e a c CL m s 0 cs c w 0 c 0 0 a 0 0 L_ 0 c 0 U CL c as s e w 1 04-27-2016 PROJECT .. RO 20150290 l - 70' Mfl\L GONFTRUCTION 3" SV-2A ASPHALT TOP COURSE Z% tell] ME% a WI 41" -7 . � 41 41 WI 67 CU. YD./ACRE f&,L 21A A�GREGAE [3AH 7 PRQFIfI 67 CU. YD./ACRE 70* Mal TED) TONE 3 Z 1115IL (EXCAVA CON-SMtK; IION SPRALT P ED Av F_(D pl CE3- WASHRACK • EX157ING 27 27 T3 POSITNE MAINAGE WE I�AIJST EXFEND FULL WIDTH TO 5EUNENT OF INGI�FSS AND rGRES�3 OPMAT , ION TNTPNO MIQF ix Offli ELANI 12, Nfl"I.iiII 'jil TO SEVIMENT P051T NE DRA NArr_ 2% MAPPING QEVIGE W; FILIER CLOTH—' SECTION A —A N. -1wkiamni Watertap of I iucllblcock- S'llutoif V&,� �Ijppbillg a wadl hose Nvith a diametor of 1.5 �iches foradequabe, colistintpressure. -Wash water raust be catriedawayROUL the eirtiance to art to Iculove ��Iediiutfit. AU s�daaeut haU bv:pmvented froiii euleiiagstarw dv�ws, ditches or wiltercomses. PAVED WASH RACK NO SCALE *1331, F. 17,71r7rum 5111) 1 177a 77-3 PIPE OUTLET CONDITIONS ROCK CHECK DAM A A 2 ACRES OR LESS OF DRAINAGE AREA: • MINA 7 1 4741ala PIPE OUT= TO FUT AREA WIT]i L40 DMINKU I I MUM (QPWN4L) PLAN VIEW (MAWSMEW WEW) jini! 11,11iIJIMI !TI .75 VDOT if COARSE AGGRMA TE 0 X d FL-�1���}+i .x< �rt�x�� .cam>;: lj^~k3'3 — nisi—C-1 �11= OW SECTION A —A PaXIM CWM KU By jr-4r-. 33MOMM FOR ZMM PZFMMM A 2-10 ACRES OF DRAINAGE AREA: w F do 2M Lim 11 Ini pi 31 j Pin To T= DEFMM CEIANN111 i 4 PLAN vowa. Ed A10- La _5 1) =NAGGRWA7F d FLOW SECTION A —A -ell .3' 1. APRON LJNM MAY BN 1091AP, GROUM EIPP", GARIM BMW. OR CaNCEM t IL Ltj Jig no LIM= OF TIM REIMe APRON AS CALCULAM UEM PLAM SAS-8 AND 018--C \-,CLASS I PJPRAP & d - 1.5 7M MAMMM mimz% BW NOT IWO MAN 6 1IX=. r MOMINAR TABLE 3.31—C A TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES SEEDING RATE .W W 3 bu. (up to 100 IbL. not law than 50 lbs.) Use for late fal seedings6 winter cow. tolerates cold and lowis .. 'L L. _: III .tl 5,... 1. �, _ /a�I 'ERMAN RYEGRASS Warm wasm aninual. Dies at fir3l: • a frost May be added to summer (Setorla Ito"00) MUM May be added In mLuL Will mow out of most stands. WEEPING LOVEGRASS Warm seasonal annual legume. Tolerates acl solls. May be added to mixes. ......... .. 1111IN X 11m HE" 11 ..... ff^1r&1-rArAMFM LAW �/jl • *3 V u 14 IIMVWi -14 W Q-1 M1 2 J; NN 4 -220C 11111111111IM7 LEI To[[ Fescuiel Perennial Ryegrass Kentucky Bluegrosal Tdi Fescue Red Top Grm or Creepin Red Fescu h*ri7;V744 -17- • Seasonal Nurse Crop2 - ----- DA TE —27-2016 Tall Fesual 04 Red Top Gross or Creeping Red Feme Seasonal Nurse Crop SCALE NNW PERFORATED POLYETHYLENE* Crownvetch,3 No D.F - RU A S Q ... 3/: 131 - If 17 DRAIWE TUBING, DIAMETER NOT TO SCALE VARIES (SEE cALcuLAno S IN APPENDIX 3.14—A) PROJECT MANAGER VA BRL4N C. MITCHELL, P.E.- FERNOO—STYLE COUPLING BASIN DRAIN AREA WET STOR. VOL. REQ'D. WET STOR. VOL. ELEV WET STOR. VOL. PRO V DRY STOR, VOL. REQD, DRY STOR. VOL. PROV DRY STOR. VOL. ELEV, GOTTOA4 ELEV RISER CREST ELEV DEWAT DEVICE ELEV EMERG, SPILL. ELEV 25-YR STORM ELEv TOP DAM ELEV RISER DIAM, DEWAT DEVICE DIAM. FLEX. 7UBING DIAM. AN77- VORTEX DIAM. ANTE- V0R7EX THICK GAUGE ANTI- VORTEX HEIGHT -1-1 ANTE® VORTEX STIFFENER "PIPE or 1-1 1-114 414 ANGLE OUTPALL BARREL OUTFALL BARREL OU7FALL BARREL OU7FALL BARREL ANTI -SEEP COLLARS DIAM. LENGTH INV. IN INV. OU7 1 AC. I YD.J FT YD. 3 1 YD. 3 1 YD. 3 1 FT FT FT , FT FT FT FT fN. IN. IN. IN. GA. IN. IN. FT FT FT ASIZE .12 _38 L2554 4JO 6128 1 2554 1 7,318 14J5.501 422 4J5.50L �JO 4J5.5 0436.55437 48- 24- 26- 72 _TT 42� 120.491 422 1418 1 (415. 8X5. 8 2 24 1 1608 445 2745 1 1608 1 1919 447 1 439 447 1 445 1 NIA 447,65 450 48- 19 21 72" 1 14 121 xl 4 ANGLE 42- 78.8691 439 1 434 I 3)5. 6x5. 6 vFebruary DEWATERING ORIFICE SCHEDULE 40 STEEL STUB 1—FOOT MINIMUM. DIAMETER VARIES (SEE CALCULATIONS IN LCORRUGATED METAL RISER APPENDIX 3.14—A) 16th through April ............. ...................................... Annual Rye May let through August 15th ............................................... Foxtall Millet August 16th through October ................. ...... ........................ Annual Rye November through February 15th ............................................. Winter Rye PR0Jr.# 20150290 NOTE: WITH CONCRETE RISER, USE PVC SCHEDULE 40 STUB FOR DEWATERING ORIFICE III DRAINAGE TUBING SHALL COMPLY WITH ASTM F667 3 — Substitute Sericea lespedeza far Crownvetch east of FormAlle, Va. (May through September use hulled Sericea, all other periodsr use unhulled Sericea). If Flatpea Is used Increase rate to 30 lb&/acre. If Weeping Lovegr= Is used, include in any slope of low maintenance mixture doing wormer seeding periodej Increase to 30 — 40 SHEET .4 SOURCE: VA. DSWC PLATE. 3.14-15, 1 C - 5A J) - 0) SQUIRM' VA DM FE Silt Trap 1 Area= 0.63 acres 1-25 *Wet Volume Req'd 1425 cf 1.25 *Dry Volume Req'd 1425 cf Bottom L = 21 ft Bottom W = 11 ft Wet Depth = 3,0 ft Dry Depth = 2.0 ft Wet Volume Actual 1445 cf Dry Volume Actual 1993 cf Stone Outlet L = 4 Ift Side Slopes = 2 :1 Bottom Elev = 435.0 Top Width= 30.5 Top Length= 41.0 Silt Trap n Area= 0.72 acres Wet Volume Req'd 1302 cf Dry Volume Req'd 1302 cf Bottom L = 20 ft Bottom W = 10 ft Wet Depth = 3.0 ft Dry Depth = 2.0 ft Wet Volume Actual 1356 cf Dry Volume Actual 1904 cf Stone Outlet L = 5 1 ft Side Slopes = 2 :1 Bottom Elev = 506.0 Top Width= 30.0 Top Length ---I—= 40-0 j ,� \\ �®1 �"\ g ffd /r°ff fr � t t �9 � � t j i y ��t §i ( 4�Sy�P j�J�""�.• w�.'�� y� a- � ! t % f f f f r f J ! ! ! i ! t ! i (i 9 (( (\11 ���� �-,,�".,�,, •�.. „s°/� FJ FFFFJFFFF,IF/F lF FFF J 1 � fl 1 j d � // ,r''� ®. d% !/ // fFr FF ®F JJ ! 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Silt Trap 2 Area= 0.61 acres Wet Volume Req'd 1103 cf Dry Volume Req'd 1103 cf Bottom L = 17 ft Bottom W ® 9 ft Wet Depth = 3.0 ft Dry Depth = 2.0 ft Wet Volume Actual 1109 cf Dry Volume Actual 1649 cf Stone Outlet L = 4 ft Side Slopes = 2 :1 Bottom Elev = 445.0 Top Width= 28.5 Top Length= 37-0 Silt Trap 5 Area= 2.62 acres 1.25 *Wet Volume Req'd 5924 of 1.26 *Dry Volume Req'd 5924 of Bottom L = 54 ft Bottom W = 27 ft Wet Depth = 3.0 ft Dry Depth = 2.0 ft Wet Volume Actual 6048 cf Dry Volume Actual 6052 cf Stone Outlet L = 16 Ift Side Slopes = 2 :1 Bottom Elev = 499.0 Top Width= 47.0 Top Length= 74.0 o\\a\\"� m�0 °'e\'o� y\'qaR„�\°,_" w�� ",.'v.,�,�r -.. ors"' ®°"„„' ✓✓'r y`..ar'r...---r \ ' L�\\ \\ \ ` \,1� \ °•,'".ti�•'•,a \, \ \\ S\"'�-'"s,,.»r'� „""' a• moo' �, �/,®• ems-^'"" •-,'" > r , ✓ > 16 , 4 y � d {(! \ \�\\��� \��, '. .®.ram , ,,' �✓r a'®r',• ��°,,.,- _ � (� i i j`? 11 lq� \„�`L,s'...� ,, . ..,_a.,..__, Per. �✓,sBe�e `r° oe'<,-''� y t I I i i #d 1 5\ , ®.�.,"- �•+.,� � �.,,� �."�_' ,,,...-''.;v-' � .'Jis'/r°'` ✓"' ¢,rsa..,°,"`.. 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G(-O.Oa fir ( 1124-fir iCO-Year Rainfall=8.9'i Yp'- Aea tact CN De'r,"fon 75.800 55 "" - Cuod HSG 6 R noff = 12,57 cfs' 12.11 fire Volumo= 4 136 of, ➢r, u'= U 54" u� p - =SCS `Nerz fit d-CN TlrneSan= ,0-120.00 hrs tl1=0.05 hrs RunaO by SCS TR-201nethcd, UH ] E {. � T 1124�hr 2-Year Rainfall=3.62" Ype Araa fact CN ➢ pt n 9.170 55 Woods, Good, HSGB Runoff = 44 71 cfs Qv 12.09 hra, V.1- 3 153 of, Depth= 1 50" - - - - RunoffGSCS TR-20 Ralnf11546SCS, Wei hied-CN, Tllne Span-a.CU-120.00 fin_, et-0.05 hrs Y 9 rype 1124hr 10--'leaf Rainfall-v 46" Area ac CN Doecr tlon 9.t70 55 Woods. Goof, HSGB Runoff = 125.20 cfs � 12.0a hrs, Volumes= a.263 of, Depth= 3 S4" - - n R SCS TR-20 melhad UH= r'S. Wei IYed-CN TInxS a,=5A0-12U.001us ut-0.05 fir= RUoby 57 g Vr Types li24�hr tUO-Vzar Rainta:l=d-9"i Area(as) CN Do,oubl i. _ 9.170 W'vods, Goad, HSGB Rurulf = 5.57 cfs'g IZ22 his, VCEun.e= 0,702 of. Depth= 0 50 - - in S a,= 5.00- 120.00 h. d1=0.05les Runati0 SCS TR-"LO moll:od. UH-SCS. LY'eighted-CN. T'I e V r Y - Types ll24-hr2--'Year Rainfall-3.62" A,r.a ac CN Do-pt- f5 r� h V Ue N Runoff = 2_16 c - t2.18 ,s, plumes= 2.00e af, p = i 43 Runoff by SCS TR-220 rrf,`Iod, UH=SCS, Weighted-Cn, Tlrn.Span=5.00-120.00 hrs, d1=0.05 his ( 1124�hr 70-Year Rain(ei1=54d' yPa ai.--i CN Descr i " s, ,r ° N RunGrt = 65.41 _.tn e, clump= 5 3a0 ai, _p = 3 6_ Runoff by SUS TR-20-thwl, rJH=SCS, Waiyhted-CN, Tune Spa-5.00-120.00 hrs, dt=0.05 ins - Type 1124hr t0O-Near Rainfall-d �5" Area ac CN Deal bon 0.190 55 Wooda, Good, HSGB 863U 51 Po,Ib,&arassland Goad HSG B 8.190 55 YVootls GGW, HS-GQ Lo 8.190 55 WILE Gu od HSGB 15.SOU 55 W'ouds CUW, HSGB 9320 6f Past reL-11a,dlrauue Good HSGB 15.800 Woods GGad. HSGB - 9320 6r PasrurelSlr=.stand lgfr Good HSGB 932U 61 Pa,lu e.rora,_I.,ad ranne Goad HSGB 15 UOU 61 Pa.,lureiara-=landrrame Gout HSGB 16000 61 Paalu u'aa�sland,ranae Goad HSGQ iG UVU di PastrelGresslundrrarwz Coud HSGB 8030 61 Puslu r rassl°rid rarne Goad HSGD 16820 58 YYe;ghlcd Average 16,820 I W.00`.o Pervious Area Tc Lcalytft Slopes Velocty Capacity Description ( ) {f =tl Ikftl I(t,'secl (cfs) 6 61 Pastuni"" sla ,J la, au Gcod HSG B it 82U 58 Wei hted Avurs 9 ga 16.820 10000 oPervious Paea Te Lenyth Sra,e VelUclty Capacity DescriPV= {m•n1 Ifeetl (tafti ik'secl (cfsl ranne 7682D 58 Weig hied Averaga tv'.820 100,00`.b Pe+rou; Area Tv Lenytl, SWpe Velocity Caf:aeily Description (min) ffeen Ift/ sec ( =1 a0-29 25.170 59 Weightetl Averaga 25.170 I00.00%F-Inue Asa To Lmyth Sfape Veslacity (rapacity Uesuipticn 1-i Ifeetl 1.11, ikrs=.c1 (cfs) 25.170 50 WoUhtad Avara9. 25.170 1 MUG'.', Pervious Area Te Ln9tn SI❑pe Velar:lty Capacity Description fmh} ifae,l IlUftl Iksevl (efsl 25.iT0 59 4Na,ghWd Av araga 25.17U IW 00`.v Psr`roua Area Te Len th SIa e Ve?ociC Ca ac,l Descre lion y V / V Y P fm:r) (feed Ikff) (k+=act (cfis) 25 i20 57 Weighted Averaga 25.120 t0U.U0:o Pervious Ames d Tc Length Slope Velecily Capac Y Descriptiaa fm:n) Iteetl (f,r;t) (k'sacl (cisl '25 12u 51 Weighted Avaiaga 2f,.120 100.W$ Pervfous Aran Tc LenyUt 31.,e Velocity Capacity Description 25.120 51 Weighted Avo a 25.12U t00A0(PerviOua Area Tc Length Slope Velocity Capacity Description 'n) (faetl Iktti ftUsacl (crsi 28.7 300 0 0750 0. 17 Sheet Fiow Sheetflow - 'bloods: L;9h[underbrush n=0.4W P2-3.62" 2.0 1W O.0 140 0.83 Shallow Concentrate)Flow, Shallow Concentarted Flow Sha,t Grass Pastures Kc 70f s p B FI 4.2 1,763 0950U 4.66 8 3 Channel Flow, Channel ow Area= i 9 sf Pann 1=4.Y r-042 Iran} (feed (kh) ttt'sacl (cisi 28,7 300 0.0750 0.17 Sheet Flow, :iheediow h rb,usn -0.400 P2=3.62" Wows:Lg Lunde 2.0 1D0 O.U740 0.83 Straiten Concentrated Flow, Shallow Cuuc hafted Flow Short Grass Pasture Kv=7.0fps 4.2 1,153 0.0500 466 666 Channel Flow, Channel Flow AJ aa=l.9 sf Penln=46'r-q42' b•ottan, 28.7 300 0.0750 U.t7 Sheet Flow, Sheetflow W-da:LGIALLu0eremsh a=0.400 P2=3.62" 2.0 tUU V.0140 0.83 Shallow Concentrated Flow, Shallow Concerl+wrted Flow Short Grass Pasture Kv=7.Ofps 42 1,163 0.0500 4.66 B88 Channel Flow, Channel Flow flrea=195(Pennt=45'r=0.42' r r= 0.040 Earth, catUle bottom, dean s,das t0.e 300 0.1200 045 Sheet Flow, Sheetil w (3-:Short -0.1 0 P2=362" �- U.I 1W 0.2500 _.56 Shallow Concentrated Flaw, Shallow Concentrated Wocdiand Kr-5Ofps 3.8 1350 00900 5.93 1542 Channel Flow, Channel Flow Aroa=2.6 sf Perim=6.7'r-039' r I= 0.010 Earth, cobble bomm�, Gean sitles 10.5 300 0-120U 0.46 Sheet Fiow, Sheettiow Giass:Shart n=0,150 P2=3.62" 0.7 iG0 U.2500 2.50 Shallow Co ncenbated Flow Shallow Concentrated V.'ovd!end ICv=5.0 fps 38 1,350 0.0900 593 1542 ChaMel Flow, Channel Flow Area=255f Perim=67'r-0.33' ' t= 0.040 Earth, cabLla bo:lonl. Crean sides t0.e 300 0.120P 0-46 Sheet Flow, Sheatflow Grass: Snort O-0. 150 P2=3.62" U.7 100 0,2500 25D Shallow Concentrated Flow, Shallow Cancenvated Woodland Kv=5.0 fps 38 1=50 009C0 >-93 1542 Channel Flow, Channel Flow Area=26sf Perim=6.T r-039' n= D.040 Eard,. cobble bonont, clean sides 17.0 30U O.IWO 029 Sheet Flow, Sheetflow Grass: Densa n= D.240 PZ= 3.fi2" 1.0 100 0.1200 1.73 ShallowConcentrated Fiow, Shallow Concentrated Flaw W`vw{anJ Kv=5.0 fps 4.5 106/ 01000 397 47T Channel Flow, Channel Flow .trees=125f Pennt=6.1'r-020' n= 0. Eoff cobble Lunenl, clean sitles 17.0 3W 0.1000 0-29 3iteet Flow, Shealfl- Grass: Cense n= 0,240 P2= 3,62' 7 Shallow Concentrated Flow Shallow Concentrated Flon 1.0 1W 0.7'e00 1. 3 W000l- Kv=5Uf r ps 45 1,C61 0INO 3.97 4TT Channel Flow, Channel Flow Area=l2 sf In-1 t'r-U20' n=0.040 Ea,m G)hnl¢ 60ttom, clean side; 17.0 3W 0.1000 Sheet Flow, Sheetflow Grass: Dense n= 0.24C P2= 3.52" 1.0 700 0.1200 7.73 Shallow Concentrated Flow Shallow Cancenvated Fiow , 'J/eudiand Kv=50fps 4.5 1,061 0.I COG 3.97 477 channel Flow, Channel Flow Area0its ,-'I rWn.d 1= 0 040 Earllt, cobble bottenl, clean sitles n= 0.040 Earth, wbbla Lotionr clean sides 34.9 1583 TotaE Subcatchment Prel: Predev API HYtlraeraPh .-c--_____________ _ ._ _ • � .. a . ' ' ' ' o � 5.4_ cs - : .. <-----------------------, ---------•---1T e1124-fir YP . , _ „ " � : 2-Year Ramfall-3.62 , . _ - - ` -- ---- - ' -----R Jff-Area-25: 2 ae . , tut . 1 0 _ - .966 f Runo Vol me 0, a ff u _ „ • , __ _ _ , . Runoff Depth. -"-------- -_._ _.-- •-0.46- a , , . , d 563 Flow Len th 1 , ., - [k -34 9 1 { _ , . 1 n= U U40 Form' cabela c:ean sides 34.9 7,583 Total Subcatchment Pre1: Predev AP1 H'd,u ran r 9 P - - ' � � ❑r„,,,,, zo _ _28 cfs __ ___._____ .. _ _____..__. _..._. ___ -_-- .- ., _ - -' - _ -- - .- _ -- - - - _ ..T e if -hr .� . i . , r YP 24 - - . .. - _ ._-______- _ _.' ._. - " -e - . 10 Year Ram€alb-5A6- - ,a - • - - -` - - ` _ - a R n ff Area 25.12 ac ., : - ` ` - _ - y1 - Q : _- -- . -. ' - i. Runoff Volume-2,84 of _ , � . .. , �-'- � �- �•- - - -' _ -. .. �'< . _ _.. - . . . .RunoftDe th,1.36 P , � . - _. = - Fiow Len th-T 563 .. , t3 ° _ _..--'---`-----------'----------`-'--'--- ._ a Tc-4.9 fnfn - - - ` CN. 57 „ _.. - - _ .. , a - : i - - '. ', - %- -- - ... f�. ,,, , , , , Io „ :, r� a, „ «, -, , rim. 11-l'i�° „ eo a n ^. ,.0 ,., , ,s n '34.9 1,583 Totes[ Subcatchment Prot: Predev AN 110, 'arh : : I , , r .- � � � � s ,, c ,_ .- _ ,_ -. - ;° . - ---, -' - . -. - - -- , i - -T e lt24-hr - "-, ;I YP Y. rRamf It- .95 ie :: -- �- : 100 ea a $, - - _ - Rtin ffArea 25,12 a 4 , � _ _ Runoff Volume 7.735 of „ - -- .� ! _,. ---'--�- '---.-_. -� ---------". - - Q .Runoff De th«3.70 P _ _ , ___-`- ---- _ _ --- ____-- `_-'-----_-__-`-.'_-.-- - ` .- 7 8 ., Flow Len th 1 563 - ---'-'-----------'--`--- ----: , . . . -�-'---ff----'- -- ---- ., , , . Tc 349 m In N C . 5 _ .- -- -- -- .., _ _ .. -,-_ . ,. ! a _... - -, _ , ; la is .> <; :, :. e , .0 „ ,n t, spa a, ,w ,t, ,.a Is to n,a a+w.r t5.3 1,750 To(af Subcatchment Pre3: Predev AP3 HYa'W, " - _ - 1 7 ,: 2a s l- - - r „ - '' -: - - Type I(-29 h _ ._ ._. __-__.____. _-__._._.: _' _._ _,__ _ -. _ .. ., :, � 2-YearRamfalfr3.62 _ , i , Ar - 1 Rtttoff__-ea-_2._70ap-- ' � ' - - - -_' _ r _ Ru aff Volume-1.136 of q - -- `-' - '. _ „ 5 - :, -- _ : � .Runoff De th.0.54 _ P ° . : Flow Length 1,750 _ . . . , _ . . 7c 15i3pun -` `- C `5� - I ' , ,U , .° .� a, ,s Y , o - , „ , i,n.. In°urv,10 153 1,760 To,at Subcatchment Pre3; Predev AP3 HYdregeaFn _ _ ° _ -, 4 f _125.2U 4.71cs .- ___-_-- .., - - - -._-. -_:- .� ; __` _`_.�. --T- - e IE 24-hr - YP - rr '.' -- _,_.� .i. --------- -- ---- - 10-Year Ramfall-5.46 :a - -- r--` - - - : -- - -- ran-25,?7- aC_. -- ' -' - '-' - Rs[dffp Q r, :° Runoff-Volume_-3,0 d3.af A -� - - ------- _ .r- - - . � _ -. .- - . _ .RunaffDe thr1.50 _,,, :. - -,. " : ,- P _ �, __ ., ------ ----- - F g - - .� low -Leh th-4.T511'_ , - .a : Tc-153 1' -- ---- --' ----------- --' - ---- ----- Inn m . .. , - - - - -- ----- ------ - - - " ' � i5:3 1,75U (otsl Subcatchment Pre3: Pradev AP3 rl,tlroaraPM1 _-, ----- , _ '"_ '_.. _--_' ---... - c, '"'T pe-I[24-Firr Y m ': 1 ..a 100YearRamfall $.95 _ _- -. -- '- _ - - - unoff fees-25.17 ac R A V r es __---- --. - Runoff V©tome-8.263 a€- -'° ;; �. -_.. ... _ _ Rilnoff De th-3.94" a ' P 3 I, Ftow Len th 1,750' g _ - -- - - - - - ---- ,,, Tc='t5;3' i' mn - ` r 22.5 1461 Tal::f Subcatchment Pre4: Predev AP4 _ _-.__ __ _-_.___ �...___ - _ __ _ _ _ _ -_ _ - � 5.67-cfs yP -i- T e Id 24-hr - - YrR inf 11- 2" Run'ff' fees-16. Z ac 4 !t. --- $ 9 , - Runo Volume-0.702 of ft - Runoff DePthr0.5�" - I' Flow Lien th-1 461' s ! ! g .. T 2_ - - - c- 1 -/-- --- --- -- --� 5fnn -- - , a rs x u .° >, a., .s ,u „ W u, . » - ns ,., 'I' 11, r n T ire f +unl 22.5 74Bi Tatat Subcatchment Pre4: Pradev AP4 _ _ __ ._.. ___ -_ _-_ __ _ _..___.._ _ 22.i8 cfs - - - _ - _- - - TYPe Id 24•Fir - 10-Year R it 117 :4 ' ------- --- --"a--------6--6-- - - 2 a' Rt}nQff,Area 16.E ld c _ - -- ----- - - - -- - JtuiiofiVrilume 2.00,a.1f- - = - Runoff Depth,•1:43" _ -- --- _- _ _-- -_- _ -- --- - ---` -------- -- -w en- -- - - _ t" - Flow Lon th�1 461' - 4 ., �'�' 'r _ 9 - T 2 5inin ---- ------ _ _ - .- --- -_.- ---- - - - - - -- CN=5- 1 --- -- - "- -- - -- - -- - -- ---- 225 1,461 Total Subcatchment Pre4: Prodev AP4 _ ,. _ _-_-_.___ .-�_--_ __ _T -, _ - ,.-_ _ _-_-_ _ ____-__ _ ____.__. _ __ _ __ _ _ _ _, _ __ _ _ __ ___ __ __ Type Id 24•h, r - - 100-Year Rainfall-8.95 - - --- - - - - - - - - - -- R n ff Area 1S. 2 ac iM $ ., P . u 'off olume-5.35 f -R D . 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Solutions LLG Summary for Link AP2: ANALYSIS POINT 2 Summary for Link AP3: ANALYSIS POINT 3 Smuntary, for Link AP3: ANALYSIS POINT 3 Summary for Link AP3: ANALYSIS POINT 3 Summary for Link AP4: ANALYSIS POINT 4 Summary for Link AP4: ANALYSIS POINT 4 Summary for Link AP4: ANALYSIS POINT 4 = % - " - Inflow Area= 4U.720 ac 3761% rr e,vious In lore Dit n,= 165" for 24-event Inflow Area= 40.720az 3761%Imp-ions rnflmv➢z Ih= 318' fur 10-Yea-en, Inflow Area= 40720 ac 3761"' fm e..... Inlmr Dz th= 637" fw IUU-fearevzrt r = ' - 1'"' I,n -I.n. InFlm'r➢ U = 91" for 2-Year zva t - - - - InflowArea- 3.910 aG tb 75.o lmperv,ous, Inflo.v Depth- 22U for 10 Year zsent F P P F P InilowA za 9.739 ac, 10 �/ p ep 1 0 n Inflow Area- 9.111 ac, 1075`m lmpernous, InOu„r Depth 2t5' far 10-Year event Inflow Area- 9-730 ac, 1 Q 1596 J,pe,vicus. Infl-Depth- 497" for 1U04-ev=r _ - = . (J i2 N V m - tat Inflow = 4222 ct i264 hrsP Volume= , _ i In' w = i2 ,2 dhr V.I m - 21. 22 t - - _ - _ - Inilow 10.05dT� 12.131us, Volume- 0.72a of Inflow 12 UU.I5,-, 93 S, Ou .o- Su9 5,� OS'73a f2 1Y5. ds@ 3 - 6 Inflo'.v 518cis,c'j 1237hrs, Volume- 0.734 of Inflov✓ 171.}cis,c'J 1226 h,s, VUluma- 1.739 at Ini- = 40,12,fe@ 1225 nrs, Vulumy- 4o31 of = ri _ _ f _ _ _ _ � _ _ = _ _ _ _ _ _ _ _ = f P m i f' � 12.93 hrs Vol n1e- 5597. of At.,, 0'•o La - 0.0 mm Pnma 42 22 , s 12.6411ro. Vo outs- 10.803 a Atten- Oio La - 0.0 min Frm r 1 5.12 cfs , 12.34 hrs Vo, ma- 21.6?2 of Att:n- Ur nl,n f i 1 - ,- - - - - _ Punta / IQ ES cfs i? 12.73 hrs. Vo:un:6- 0.726 a , A[ten- 0°m. Lag- 0.0 min n cry 2 00 c> w_ u y 7 y3 9 a / 9 p? u ,, Lag- 0 0 Pmnary o.78 c ., � 12.371 rs, Volunla 0.73A ai, Aner O:G, Lay 0.0 m,n Prma ( 17.14 cfs � 1?.26 nrs, V41um� 7.739 aft Ate.n- 095, Lay- 0.0 mm Printery 40.12 cfs' 12 25 fus, Voiuma= 4.031 aft Atten- 0°0. Lag- 0.0 Primaryvulllov✓=Inflo ,Time Span=5.00-120.00hrs,dt=005hrs Primary-blo,v=Inflow. Time Span=5.UO-120.00hrs,dt=005h,s Primaryoutllow=Infloa.roie Span=5.00.120.00hrs,dt=9.r5lus Ff.l aryo b, =Infl-.T--e Span=500-120.00hrs.dl=005hrs Primary outticw=Inflow, Time Span=500-120 00 his, a=005 his Primary.uUlow=Intl-, Tm. Span=5.0U-120 OU hrs, dt=005 hrs Primary oulfav=Infi-, Time Span= 5.00.12000 hrs, d,= 0.05 in, Link AP2: ANALYSIS POINT 2 Link AP3: ANALYSIS POINT 3 Link AP3: ANALYSIS POINT 3 Link AP3: ANALYSIS POINT 3 Link AP4: ANALYSIS POINT 4 Link AP4: ANALYSIS POINT 4 Link AP4; ANALYSIS POINT 4 nydre ph nid,a ', Hya,vpr HyNn '14 HYdre_ , ftydreSraPh - _- __ _ _ _ _ __ __ _ __ _ __ _ _ __ _ __ ___ _ _ _ _ _ _ _ _ _ _ ___ _ __ _ __ _ _ _ .- ,- JP,tra, - _ _- - - ... nr - art,`,., iC�R r`r�' - 3 R„'a• J � f=1 � J „ µ __ +' 7200 fs .1222 c(s - _.. -. - I , " f9612 cis i � - �cfs c 5.78 tfs 7l t4cs - _ 1 U.6 - f _12 cfs sLL _ f Iryfla Area ac - < 4o- n I w Are 40.7 0 ac -In.l_ vy L Inf[oW Area, 3.970,ac 1 f ; a 2 , .Ftrea_&0°720,_af . It 1\ InflotM Area=9.730iac inflow Ar�a� 9.730!ac 9ra#Ipvq Are a�9.730;� . -. - : - - ,. ---- - - -- - - - - - n _ v., _ ___. -_ _ . . r _ .- _ - __ - _-_- _____ _ , ___ _- _ _ _ __- ___.._ - _____ ._.... -. ` . - - , : m . 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'rr.,r !/ k I \\ a\\ \\ o,\> rr/ /.,,,� w . 0 _r r i1 i - - ___ rr rrdrr' r i I /" - `i \\ \\ %___ r.' //t__, _ ERIPst� Cr MI CWELL v r / i I p� ry �g r ii / , `\\ ar_' ,___''0/ / !f /!/ \\1 II i\ \'^.,.,p _°- - - "." J.' �r I �cr No, 03572't 0 r \ . 1' _. r _r1�r /%e r/! \ I \\+-- _p_-rrr.1r rr, f�/�8/�l� -W \ � t , i I \ \,A /--- / ' I } "-'- , r 1r � !�____ - r `J y / i i rrr /'r _...ram'-- �` i "11 _.. '' 0 0 Iw i t rr /' - w\ /rr 'yr- 0 i `rgir °a t /' _- ' -.gym-°,a,- ..-'^- \ \- _r r_r 0 0 + i �" -,r' rrr .4 _1% \'° _.--'r U -� °rr / 0 t _ �0a 1 I jam' ( 461 r r""J 11 - - 0 0 `0 0 dJ � i��- ,,rr a &M 'r �8 I `_. - // 0 � "�1 �- ANALYSIS `\ ~�� ya ter/ � /r;r rrr. o / ./. { r/ £I � '�:'t:�r�.. `m ! �1 , / r ! r r r r � _ wad rer / 0 / - � / rr `® `_ ®�� (/ - ✓r !/ /' _r! rr � r r d- r' ��" ""*. P ! / ! { "'I", 'I ,."- IUD, p� '���rj q �� +�9 ' /r' ar.r rrr _ _ \ I I i 1 1 i t / I,'H M r / r' r� fie' ." ' r',rr '. "'- - a ,`i I\ `\ I I i i I \ I rif d � 4- r r r __ \ f i t 1'"'"4 0 11'! i I I I t\ I 1 r / 0 ///// r.'�r r'"':, ,,.._-• - w I,`��+. •' \ 1 4 i \ t \ I I � � "�i 0 . /^ r r , ... •,,.m.-,.,- •--�. •K , '"' { I } } t I r i. � 7 w 0 r,.ej, t r/ rrrr-'' ,'- "'-' -- -•- `" - - '. `,' \\ \ I I \ I I t �! I�." r / rrr /-, r �-�rr/ r'yr'• s `-� -� s'° s��.�� x �v ' `' \\ tI }t i i I \ 'v `a) m tj.11 /r ®r - .1 r!/� err _ w w�*1 . r 1 1 I I I ✓ 9 ,.' 4 Q .-8 r --r .' /` i O r' rrrr r ! f ` i a -` I I I I t� J .1 v� � v 4 L_ r' r_r /, 'rrrr /'/rrr` O I. ' I i 0 r L r r ,r � r', / r � r j ,A„ r" 9;-� - g� `'L- "I ' y "- I } \ I I ' � ^ "' r'r i' r' °/ . ,✓ . a:vim r, / r (� .g ., / rjlrr®% rrr p/ .o' sr i, �" -e(" ''l%r yr , _,p' k� -, 0 rr '� _r-'r, •,-ro,.✓ram 9 , s' r',- ✓' f�t1l i i, $ - a'��. r^ ._.,'"' -�1 r '', •'ram 48 1 "1 .., -- - `} - 0 le� GRAPHIC SCALE � t'��--c / / \ \ w> # ' "' 120 0 60 120 240 m 11%�� > 1 P \�. W I ./ I � ' 1 inch = 120 ft, 0 VISIONS` 171 rDATE ITE.1 _ 10/07/16 PER C�MMf�"NTS a� 12/18/i8 PiR eoMtw_1v/ow1vER � w 0 0 CL 0 DATE 0 vfa11=8.95" :W 1211612U10 04®27-2015 Pna iri0 9 a7 {. .0 ff 9 t y 3s -) L min F'11?®.TECT 1YAGEI� U' BEAN C, 1�tITCHEI�, P.E. 9 .0) D A_1`j LTjA:r" "I '® DCIj JLS (D 1 __)-0. PEOd. , 201502:90 " . SHEET # -0 C ®8 1.0 20150290_NP-SECT.1 Type 1124-hr 2-Year Rainfall=3.62" 20150290 NP-SECT-1 Type 1124-hr 2-Year Rainfall=3.62° 201150290_NP-SECT.1 Type // 24-hr 2-Year Rainfal1=3.62" 20150290_NP-SECT.1 Type // 24-hr 2-Year Rainfall=3.62" Printed 12/1612018 Prepared by HP Inc. Printed HydroCAD® 10 00-13 06356 © 2014 HydroCAD Software Solutions LLC 12/1612018 Page 20 Prepared by HP Inc. Printed HydroCADO 10.00-13 s!n 06356 @ 2014 HydroCAD Software Solutions LLC 12/16/2018 Page 23 Prepared by HP Inc. Printed 12/1612018 HydroCAD1J 10 00-13 s!n 06356 O 2014 HydroCAD Software Solutions LLC Page 26 Prepared by HP Inc. HydroCAD? 10 00-1' sin 06356 ©2U14 HydroCAD Software Solutions LLC Pane 29 sIn Pond BMP 1: SWMIBMPI (RETENTION BASIN II) Pond BMP 2: SWMIBMP 2 (BIO-RETENTION FILTER) Width (feet) 5.00 18.50 Pond BMP 4: SWM/BMP4 (BIO-RETENTION FILTER) Hydro 9 P rah__ h Hydrograph ra g p Primary Outflow Max=11.94 cfs @ 12.93 hrs HW=437.05' (Free Discharge) Hydrograph, - - rl lnFlo.v '�--• =Barrell (Culvert) Passes 11.94 cfs of 141.25 cfs potential flow __ ' D mro11 ©Pnma 24.49 cfs z6- p Pnmary (3.30 ofs j � C7 Pnmary 2=Orifice Controlling Structure Orifice Controls 10.37 cfs 7.43 fps) g ( %? P } 3tlOrifice -10YR Controlling Structure (Orifice Controls 1.57 cfs @ 2.52 fps) 12 07 cfs =ac lnflo�nr Area�1 540 y lnflowAtea=25.450 a� 1r1,f1� Aria 1;91 ao 0.00 fs) 24 Pelt Elev=44� �3" PeOW EleV=541.21 ° r (C c 4-else (Controls 2 Peak Elev=438.37r 2 : ' 3 F = IW=434.00 (Free Discharge) OutF Nlax 00 cfs 5 00 hrs Fr�a eondary w Spillway Controls 0.00 e +yf eit�r ®2,69 20Storage-152,413 Cf S�r��3,�1 cf 5=Emergency ( cfs) 1a= , : , Pond BMP 3. ETENTION BASIN U 6- s I - 14: '- ,- 11FF -WMIBMP 1.80 cfs ' l V 6 cfis 1U- - YI ._,_ .___.--._ _-__._-;_ _ _-___. ._ _... _-.-_-___ ' , ' , q ry p� Inflow Ares 40 10ac ❑Pnma'd Secon ary . a -._ -. _.____________ I _ _ _ - _r __ 1 T1�4 65- _ __ _ ki' 7_1 5- 63 beak �tev�4 V ' 6 4.02 Cfs 55. storage=�86,030 of f 4- a- r� .,., r. ,�„ _ ii�'i r s" ,rf'. ..;--,..,�✓r r_ ,f f� .;'�✓,sf - - -- - --- -- - _ - -- ----- I _ 105 110 115 120 5 10 15 20 25 30 35 40 45 50 65 60 G5 7U 75 aG 55 90 95 100 105 110 115 123 45- 1 5 1U 15 ZO 25 30 35 40 45 5U 55 60 65 70 75 60 85 90 95 100 105 110 11G 120 c 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Time Time (hours) 40= Time (hours) (hours) u 35 Pond BMP 1: SWMIBMPI (RETENTION BASIN It) Pond Pond BMP 2: SWMIBMP 2 (BIO-RETENTION FILTER) ° ------- 30- Pond BMP 4. SWM/BMP4 ( IO RETENTION FILTER) B R Stage-Uischargo Stage -Discharge 503 , p Primary 20 i 11.96 cfs 15" ' Stage -Discharge 440 - Pnma � ry 450- - - - Primary 449---------------- I0. ` •l i S%f: ,,%ice%% /1",,,, rf' ,'/ J yi, 9`. fv.rf Q U✓f ,y 448- 0.0 CfS - - - - 5 10 15 20 25 M 35 40 45 SD 55 60 65 70 75 80 85 93 95 1Do 105 110 115 120 446- ' Time (hours) -----on6ca------------------------------------------------------- 44-- ., f 502 � 4as ^. 4 a 444-, ' c 0 443 : , e o v 412- , 6 W 'G4?ta1114!'lEhlOrIrE,Ge; �1 f - CU^ut6lil wBlrl Q[IFlG@ 501- 440- -----'------------------- 438- 439- 438: 437 436 - - 0 10 20 3o 40 50 60 70 60 90 100 600- - - - 0 10 20 30 4U 50 60 70 80 00 0 5 10 IS 20 25 30 35 4U 45 50 55 60 65 Discharge {eft} Discharge (de) Discharge (crs) 20150290 NP-SECT.1 Type It 24-hr 10-Year Rainfall=5.46" 20'150290_NP-SECT.1 Type 1124-hr 10-Year Rainfall=5.46" 20150290_NP•SECT.1 Type 1124-hr 10-Year Rainfat1=5.46" 20150290_NP-SECT.1 Type 1124-hr 10-Year Rainfall=5.46" Printed 12/1612018 Prepared by HP Inc. Printed HydroCAD) 10 00-13 06356 O2014 FlydroCAD Software Solutions LLC 12/1612018 Page 53 Prepared by HP Inc. Printed HydroCADO 10.00-13 uln 06356 Oc 2014 HydroCAD Software Solutions LLC 12/1612018 Page 56 Prepared by HP Inc. Printed 12/1612018 HydroCAD) 10.00-13 s/n 06356 Oc 2014 HydroCAD Software Solutions LLC Page 59 Prepared by HP Inc. HydroCADDR 10nn_1s Gin 06356 Q 2014 HydroCAD Software Solutions LLC Page 62 s(n Pond BMP 1: SWMfBMP1 (RETENTION BASIN 11) Pend BMP 2: SWMIBMP 2 (BIO-RETENTION FILTER) Width (feet) 5.00 18.50 Pond BMP 4: SWM/BMP4 (BIO-RETENTION FILTER) Hydrograph rapt, y g N dr ra Hydrograph e' Primary OutFlow Max=41.77 cfs @ 12.64 hrs HW=439.20' (Free Discharge) = =Barrell (Culvert) Passes 41.77 cfs of 156.77 cfs potential flow 2=Orifice - 2 YR Controlling Structure (Orifice Controls 14.32 cfs @ 10.25 fps) Hydrograp _ _ _ ,_ _ c InFlow 53.5fi cfs ❑ Prima y 6 $4�Gfs-1 Y o Prima y _ _ _ _ 5 4,51 cfs D inrcvr o P�mary 55- lnflow'Area=25.450 aC 7 6.50 1r9f1� w Aar6a®1.9 � � a� 3 �0YF3 Controlling Structure (Orifice Controls 14.36 cfs @ 6.58 fps} g I f �n =' � -Inflow Area 1.540,a cfs _ - 1r Controls 13 09 cf U p r W' s 2. s =R1 elc ( 4.15 cfs Peak Elev�-4 8.61,' -' - - - - SD= -- ------ Peak-Etev=4474 5`- 6 Pe EIeV= 911,47" '- Secondary Outflow flax=0.00 cfs 5-00 hrs HW=434.00' (Free Discharge) 4 } 45 -'---------------------------- ----�- tora�ty®19 ,295 of ------- - star e�3,995 a r_ g y P y ( ) gmEmer one Spillway Controls0.00cis r�tl.lra �:=375o,f � 40 - - - --- - - Pond BMP 3 SWMIBM (RETENTION BASIN 3 r 35, _ o - ---- - - 3 30= V 4- 3 Hydrograph _ 3 ' - -- ----- --- -- - - z5 22.47 cfs 3_ �1 115 60 efs� ,•g __ _ _ ,,�F�i �@,q- I .,i outflow ®Pnmaly z' 29 __ ___________ ___. .__._ ___- __-__ ______ f ,a�. inflow Ar6cat=,40.3to- (i � 5ewndary �� 2 20- Peak Elev"4'39.20' storage=64,25U cf;. 5 y. ' '` ,/.�� f'%'.,;'rfr✓r //'''flr,/'f .�.. ,/.'�1'� ✓f./rP1.'�✓/ ,- ✓�^i.+r�l /;ifT '�'r1%;.1�. ✓.f rlr/f.'- ,/ /.' ✓✓r,✓ e� 1',✓ J✓ JJ �J✓'r / J-3-� , , Raw [ � � 94- : s$ i,ftr.`/.�.'�._,✓�� lrr' �✓✓`�ri,/,t✓,,,✓,f'�.%Ti'..; is .,ram. f 0 ✓ 5 10 15 2D 25 30 35 40 4S 59 55 60 65 74 75 SD 85 90 95 1oo 105 110 115 120 ` - J f f "' f' G 5 10 15 20 25 34 35 44 4S 59 55 60 55 7G 75 80 8"a 90 95 100 105 1tG 115 120 -------- --�� -- --------- --� ------ 8U D 10 15 20 2.� 30 35 4D 4s 50 75 80 8a S4 9a 181165 HO 715 120 55 00 8S 70 r Time (hoursi Time (hours) Time hours} (i 7U-. Pond BMP '1: SWMIB1VIPI (RETENTION BASIN II} Pond BMP 2: S?t(ilLifBMP 2 (BIO-RETENTION FILTER) LL 50: ( 42.08 cfs Pond BMP 4: SWMIBMP4 BIO-RETENTION FILTER ( ) Stage -Discharge 'r' charge g �tt_e-Discharge e g 9 SU - -- - - --- - -- ---- - - - - ;t} ''"✓"� - _ - _ _ _ - - Stage -Discharge - 503- ' 44 - nary 450 - i , _ , � 449- ❑Primary : � Primary 30 20 75!Ji��i~t£,�:rS;+�%..,ice 448 'Rdset�77, + _ ' �/, /.>�t.✓I fa�e�.ef ',i'�:':fCY-!'» /,�,%. %��ri s' O cfs _ - ! f ✓ '" 447- 10 15 20 2 30 35 10 4` 4 75 8U 85 89 95 400 105 110 115 120 �6_ , ______7_______�. __ _,________________-___________________________ Tims(hours) _ _ _________ ._ , 445 502- , , 444- O 44:3- ___ - 442 a ru Gustoni 4V,eiel4nfrce; 44i- : , , 501 ,CustA,n,'tdeirlfJr"cfice. - - / ________________.________________________ 44a- r 438 435 438- if 437 , , Barrgi (Cuiveri} ff , 436- 0 10 20 30 40 50 60 70 80 94 100 _ 500- 0 10 20 30 40 54 64 7U 8D 94 4 5 70 15 24 25 3D 35 40 45 50 55 54 65 D;achargo {cts) ➢lacharge (cfs) Discharge (cfs) 20150290 NP-SECT,1 Type1124-hr 100-Year Rainfall=8.95" 20150290 NP-SECT.1 TypeI124-hr 100- Year Rainfaft=8.95" 20150290 NP-SECT.1 TypeI124-hr 100-Year Rainfall=8.95" 20150290_NP-SECT.1 Type1124-hr 100-YearRainfat1=8.95" Prepared by HP Inc. Printed 12116/2018 10 06356 02014 HydroCAD Software Solutions LLC page 86 Prepared by HP Inc. Printed 12/1612018 HydroCAD(+) 10.00-13 sIn 06356 rD 2014 HydroCAD Software Solutions LLC Paqe 89 Prepared by HP Inc. Printed 12/1612018 HydroCADO 10 00-13 sin 06356 c0 2014 HydroCAD Software Solutions LLC Page 92 Prepared by HP Inc. Printed 12l1612018 HydroCAD©10.00-13 shi 06356 @ 2014 HydroCAD Software Solutions LLC Paqe 95 HydroCAD© 00-13 s1n Pond BMP 'I: SWMIBMPI (RETENTION BASIN 11) Pond BMP 2: SWMIBMP 2 (BIO-RETENTION FILTER) Width (feet) 5.00 18.50 Pond BIVIP 4: SWMIBMP4 (BIO-RETENTION FILTER) Hydrograph Hydrograph Primary Outflow Max=154.64 cfs @ 12.35 hrs HW=440.56' (Free Discharge) Hydrograph 14.15 cfs `c3lrflow o Prima y ______ _ _•__ 9.67 efs] 9.45 n re o ma q Jtniiaw 1'15.86 cfsj o Prima y =Barrell (Culvert) (Passes 154.64 cfs of 165.77 cfs potential flow) 2�Orifice - 2 YR Controlling Structure (Orifice Controls 16.31 cfs @ 11.68 fps) 14YR Controlling Structure (Orifice Controls 18.86 cfs @ 8.64 fps) �- Inflow Ar�a�3=Orifice 2D: �25;4 0 aC 13.81 cfs Inflow Area=1.910,a� - 119-47 10 cfs Inflow Aream1��40,a „-I 11Q- Peak Ele'�=44 .97° 13- .I l - Pe( & Elev-501.` 2' 4=Riser (Weir Controls cis @4.33fps) scondary Outflow Max=39.73 cfs @ 12.35 hrs HW=440,56' (Free Discharge) 9 ��lO®43�,r oG C� 'tora a®4, 3 4 cf 5=Emergency Spillway (Weir Controls 39-73 cfs @ 3.41 fps) a � , fo€'aC�e=4,0 7 c 85.24 cis - - - 8D- :,-------- - -� -� '- - ----- -- --- - -- --- - 0 1� Pond BMP 3: SWM/BMP3 (RETENTION BASIN 11} : ; m :� i r- _ _ -- - -_ -- -- -- - _ -- � 6 , v 70 - ',--- - - - -- ; ----- ----- r ---- 60 `. a - - - - - - - - b Hydrograph , - SQ_ ___ __.__ - _____ 228. fs -_- 61 1 ry ry ppgg I Iflfl4rltl, rea=,40.310 a�. UPnmali �Sacondaty 4 , 40 , , ___ _____ ___- 4. - zoo eak 194.25}}1Cfs ' PElev`�44� 5�° L ,- _ _ _ - - 2o- .�: _�_ '_ .__ - ___ _�_ ___,______ '. -- -' -- - --- 3 .___.__._-__. _�________-.____ - ______ __-__.-___-__ 2'F;F z20 (_:-_ ___ :. - _� ____ ragd®4 ,-5868 Car._ 1+ �y pry g rJD-. E� 1 1'•' "y 7 -j T! T f:' l a- mil✓ ' r f f l `. 7 1 p r-' _ s_.�_- .•r, rr- - - - 1- ,f ✓ /i '/i�1 ff,."" f`f ✓✓' ``i%/'!✓f�✓''f/f'i tr/1- i+ frJf � '112ZM Y 154.06 cfs ( ,sf ,,r1"ff'!�%1"Ti�`r✓�'r ,,-> ,/f,frT;. aTs :. ✓:r✓%r '!',ff;'/ g- j -. ,. .. .; a 10 15 20 25 3U 35 40 45 50 55 60 65 7D 7S 80 85 96 95 100 105 140 115 120 Time (hours) E 0 a 10 15 20 25 30 35 4D 45 50 5 60 65 70 75 80 85 99 95 100 1D5 110 115 129 o Time (hours[ 180 - - - - - - - - - - --" -- 760- •#. - - - - - - - - - - - 190 Q- ,- r - r - 3 10 15 20 25 30 35 40 45 50 75 80 80 90 95 100 105 110 115 120 55 60 6S 70 2 Time (hours) Pond BMP `l: SUUM/BMPI (RETENTION BASIN 11) ata 2-Dis g charge Pond BMP 2: SWNIIBMP 2 (BIO-RETENTION FILTER) - Stage -Discharge o 12U.Pond : 00 fi �l 180,- - - - - --.- - - 3 - , 6 5 0� rr BMP 4: SWMfBMP4 BIO-RETENTION FILTER ( } Stage -Discharge 450- i _ _ _ _ _ _ _ Pnmery SOi , i p Primary :D 44- Prirrr ary 449 aG'.M r. :.7`l�r g!`'',j�J�/!"� •` f'="✓`✓4r%1� s✓ h /''"' e0-':� .! 448 447 - -.- - - -- _- - , , .-___;_- ____�___..,___________________-__________..____________,_ G S 10 15 20 25 •30 35 40 45 50 55 &0 05 70 75 80 85 90 9"a 100 105 110 115 120446w Time (hours) - , C7nfice,' S02 439- 445 : _ ' ® w 444 w a ;�. , 44Z: i` : m CuaEom Vterrlen;tce• 447 - ____________..__ f✓ _______ - 440 .� , 439- f 438- 438 __ : ______ ___,_ ___________ ------ -- 437-r Rain},----- 436- - - 0 10 20 30 40 50 60 7o go 90 100 500- -. 0 IO 2U 3o 40 54 64 74 80 90 0 5 10 15 20 26 34 3`s 40 4S 54 55 64 65 Dischargo {cfs) Discharge (cfsj Discharge (cfs) North Pointe Section 1 SWM Compliance -Analysis point 1 Computed Post Computed Combined Storm Pre -Development Allowable Post Devlopment Runoff SWMBT\/p, Post Devlopment Runoff Event Flow Development Flow From S WM/SMP Elevation at Analysis Point (yr} (Cis) (Cfs) (cfs) (fi) (cfs) 2 Year 5.42 5.42 4.02 446.63 4.08 Storrll 10 Year 22.8 22.8 22.47 447.85 22.69 Storm 100 Year 70.59 N/A 85.24 448.97 85.93 Storm North Pointe Section 1 SWM Compliance - Analysis Point 3 Computed Post Computed Combined Storm Pre -Development Allowable Post Devlopment Runoff SWM/BMP Post Devlopment RunoffEvent Flow Development Flow From S WlvlBMP Elevation at Analysis Point (yr) (efs) (cis) (Cts) (fl) (Cis) 2 Year 12.57 12.57 11.96 437.05 12.00 Storm 10 Year 44.71 44.71 42,08 439.20 42.22 Storm 100 Year 125.20 N/A 194.25 440.56 1_95.12 Storm North Pointe Section 1 SWM Compliance - Analysis Point 4 Computed Post ComputedCombined Pre-Development Allowable Post Devlopment Runoff S W1/I/SMP Post Devlopment Runoff Event Flow Development Flow Fronr S WM/l3MP Elevation at Analysis Point (yr) (cfs} (Cis} (Cis) (f$) (Cfs) 2 Year 5.67 5.67 0.76 438.37 5.78 storm 10 Year 22.16 22.16 4.15 438.61 17.14 Storm 100 Year 65.41 N/A 9.45 438.84 40.12 Storm Q t) En W Q m BRIAN Cr MITCHELL Llcr No. 035724 12118118 04-27-2016 PROJECT ]LANAGER R n ` l' P.E. �:_.. ,- � � :•� It I f t - __ -- 1 I I e 4 \ Al / + . L . � P -ii t s A<4-AQs'A,,. . '-kA _t s . ._r R`SJ _.p....� f r t t )ED TO APPLICABLE L t 4 / t J' d o J/ E J ---'APPLICABLE -'APPLICABLE SITE AREA = 83.34 ACRES C t ` ��` � r J y/ _..i�e� ,�.pr� �"h •�`"�m�r^„✓''' I p,/r ci f � C) /J d P,-`•�= ✓ ^cam ,r' � � rr / ANALYSISPOINT 4 i ..� �J rr' ,.� -- _ � �,. �/fig r✓ / rr tro' ..' Jam,` r� 1 s+ 3 } ' e 5 4 JJ S3 /d t` ,` ". - pM �: t t 1 \ 1 ► r c'' s J 4J rd e,,rr ,,,•�` J,,,ry�,, y,_..�^ ' - -®� �,�'�.,,;'°�*, "�,,`� � 1 � t \ 1 i I I ` r,s � J .,-,. �'�"/ ,,, /r`Jr` sv�-�,..�.u....�,=%'".a.''" `x..� �. '�..:'°'•.w;"`'�-,. `�. 4 '' t t t t '�"' �/ ✓% r,r .� ♦ /ii' �'iJJ``J�✓ r. '°"" �' � ''��b`"4�� �\� � ! 1 4 }lr�' , '�� r rr,s pr`� ;l�r''•yr',r �,..�y..r :�' ,,..- �.."-».;,,��a .e`°'e �'``'' �.f ! "P/� �'�`� Qk ` .ay`"' � .^'' r,.-fir. Jr'�,rJ { ,,,. �� ' - .r�" � ��' ^*.�" �,_.,` S""nf �.�✓'VT�rr✓,.r• �,.+. ..°' ,a' .,•®` •' r> .Vs ,,i, � ®,•.- rr �` I „„ea J,,, r,�, �,.yd'�a'd `ram y 'j 'n'""- dr' �-,„.,ad e....�-. li �O`+ �� ♦+ �. °�/'i Y �qtl/ cox'`-"s^� *.,,,o � °''' '�.✓''`� /,•'•` `tyr��,� �mr y'.-',,.� '.,� r- '� � �`" -�,<, ... /,,• � � a a '� -tee � �a> '•�" �'�' ''"' y. `r.J '" /' J'" �, .a.c,.`• I � Fes..,._--."-E��"^'`� .,,. d `" ✓,. / n 41 ✓ // GRAPHIC SCALE r a / 120 0 s0 120 240 e tIN FEE- T 1 inch = 120 ft, ONSITE OFFSITE (NOTAD SITE AREA) NO. ACRES IMP. % BYPASS 1 1.74 30 BYPASS 2 0.84 26 BYPASS 3 1.40 27 BYPASS 4 9.52 28 ° BYPASS 5 3.84 0 BYPASS 6 0.64 10 DA-1 21.60 43 DA-1A 3.85 6 DA-2 1.91 41 ' DA-3 40.31 53 DA-4 1.54 39 1 LTH BRIAN C, MITCHELL Llc, No, 035724 12118118 d 0 -4� V v V W 7 V? W E m 01 .L a, c v v L CL m 0 m V L 41 0 Q L d L CL V %J Q L ai -4a Q� i a� j2 4® 0 L / 1- 27-2j 16 A 'fly PROJECT �. i r r • s PROJrjf 20150290 s HOST STRUCTURE INSIDE DIMENSIONS PART NUMBER: TYPE OF PIPE MOUNTING TO: INSIDE DIAMTER OF PIPE: *AS DISTRIBUTED BY CONTECH CONSTRUCTION PRODUCTS NATIONALLY* (PLEASE PROVIDE ALL DIMENSIONS IN INCHES) ISOMETRIC VIEW PLASTIC SOLUTIONS INC. TRASH RACK OR EQUAL SUPPORT T CROSS BARS WITH FASTENERS ATTACHED TO TRASH RACK CORRUGATED METAL OR ~PLASTIC PIPE SIDE VIEW PLAN VIEW ROUND SERIES TRASH RACKS RISER PART NO. CONCRETE INSIDE DIA. CMP OR HDPE NOMINAL DlA. A B C D E F G H RS-24 24"0 12'0-18"0 17 1/3" 13 1/3" 7 3/4" 6 1/4" 6 1/4" 27 1/2" 6 1/4" 7 1/2" RS-36 36"6 21"4-30"6 21 1/8" 13 1/2" 6 1/4" 6 1/4" 6 1/4" 40 1/2" 6 1/4" 71/2" RS-48 48`0 33"4-42"4 27 3/4" 17 3/4" 7" 8 1/2" 6 3/4' 54 1/4" 8 1/2" g" RS-60 60"0 48"9s-54"65 27 3j4" 17 3/4" 11 1j2" 8 1/2" 6 3/4" 67 1/2" 8 1/2" g" FF COMMUCTM PRODMS INC. 9025 SE`IIRE PCINTE DRIVE, SUITE 409 WEST GAGSTER, CHU) 45069 PH: 1,800,338.1122 FAX: 513.E45.7394 Co COPYRIGHT CUSTOMER: PROJECT: 12" PVC, ELEV, 436F30 B —D GOTTOM OF CULVERTS " RCP RISER DETAIL N,TFS, DATE: DRAWN BY: APP'D BY: DETAIL: b m, wi 'FY W ,y „ ------------------- �L i �1 d 1 4 0 455 a 1 1 : C4 ` a' BERM CL I cV ELEV's 45d.00 450 t 0 II i 141 AFETY BENCH > ? 1Do1 QUATIC BENCH Y i 3 CI AY 1 3 1 ; I C6RE 1 ti 1 PROFILE , 1 4 f i t i SCALE: 1 o 9 i t EI eq I cn w z 3 : I € i 100-!YR Eg 97 10®ice E9 4.47.8 2®YR Es .03; I 5.00 f [IESIGN VOLUME. -,I 101,6CUFT WATER QUALITY VOLUME 67,411 CU FEll E i EJUTTOM ELEV. 1 i • 435 a-._.._ .® L. AY COFETOBE I s IN TA AROUND s ®UTFALL IPE 1200 4 30 Dg--42" RCP CLASS III 3 p( Wj FILTER FABRIC FlIVISHED GRADE AT CIL l T I ` 1 I ' _...-_.,_.._.__...m.._u_._._..u. 14 0'0 s HORIZONTAL.-1 �9 =50 SWRMWATER MANAGEMENT BASIN PLANTING NOTES: 1. QUALITY ASSURANCE A. NOMENCLATURE: PLANT NAMES SHALL CONFORM TO THE LATEST EDITION OF "STANDARDIZED PLANT NAMES" AS ADOPTED BY THE AMERICAN JOINT COMMITTEE ON HORTICULTURAL NOMENCLATURE, B. SIZE AND GRADING: PLANT SIZES AND GRADING SHALL CONFORM TO THE LATEST EDITION OF "AMERICAN STANDARD FOR NURSERY STOCK" AS SPONSORED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, INC. (AAN), UNLESS OTHERWISE SPECIFIED, C. NURSERY SOURCE: OBTAIN FRESHLY DUG, HEALTHY, VIGOROUS, PLANTS NURSERY GROWN UNDER CLIMATIC CONDITIONS SIMILAR TO THOSE IN THE LOCALITY OF THE PROJECT. PLANTS SHALL HAVE BEEN LINED OUT IN ROWS, ANNUALLY CULTIVATED, SPRAYED, PRUNED, AND FERTILIZED IN ACCORDANCE WITH GOOD HORTICULTURAL PRACTICE. HEELED IN PLANTS AND PLANTS FROM COLD STORAGE ARE NOT ACCEPTABLE, D. SUBSTITUTIONS: DO NOT MAKE SUBSTITUTIONS OF PLANT MATERIALS. IF REQUIRED LANDSCAPE MATERIAL IS NOT OBTAINABLE, SUBMIT PROOF OF NON —AVAILABILITY AND PROPOSAL FOR USE OF EQUIVALENT MATERIAL. WHEN AUTHORIZED, ADJUSTMENTS OF CONTRACT AMOUNT (IF ANY) WILL HE MADE BY CHANGE ORDER. 2. SEEDING & PLANTING SEASONS AND TIMING CONDITIONS: A. UNLESS OTHERWISE DIRECTED IN WRITING, SEED STORMWATER MANAGEMENT BASIN AREA FROM APRIL 15 TO JUNE 15, AND FROM AUGUST 15 TO OCTOBER 15. B. UNLESS OTHERWISE DIRECTED IN WRITING THE PLANTING OF PLUGS SHALL BE FROM APRIL 15 TO OCTOBER 30. C. PROCEED WITH AND COMPLETE SEEDING AND PLANTING AS RAPIDLY AS PORTIONS OF THE SITE BECOME AVAILABLE, WORKING WITHIN THE 4, SEASONAL LIMITATIONS FOR EACH KIND OF LANDSCAPE WORK REQUIRED. D. PROVIDE TEMPORARY ANNUAL RYEGRASS COVER FOR SEEDING OUTSIDE PERMITTED SEEDING PERIODS, SEED AT THE RATE OF 3 TO 4 LBS PER 1,000 SF. 3. PRODUCTS: A. IMPORTED TOPSOIL: PROVIDE TOPSOIL CONFORMING TO THE FOLLOWING: 1. ORIGINAL LOAM TOPSOIL, WELL DRAINED HOMOGENOUS TEXTURE AND OF UNIFORM GRADE, WITHOUT THE ADMIXTURE OF SUBSOIL MATERIAL AND FREE OF INVASIVE WETLAND SPECIES SEEDS OR ROOTS, DENSE MATERIAL, HARDPAN, CLAY, STONES, SOD OR OTHER OBJECTIONABLE FOREIGN MATERIAL. 2. CONTAINING NOT LESS THAN 5% NOR MORE THAN 20% ORGANIC MATTER IN THAT PORTION OF A SAMPLE PASSING A 1 j4" SIEVE WHEN DETERMINED BY THE WET COMBUSTION METHOD ON A SAMPLE DRIED AT 105' C. 3, CONTAINING A PH VALUE WITHIN THE RANGE OF 6.5 TO 7.5 ON THAT PORTION OF THE SAMPLE WHICH PASSES A 1 j4" SIEVE. 4. CONTAINING THE FOLLOWING WASHED GRADATIONS: SIEVE DESIGNATION % PASSING in 100 4" 97 ® `100 NO. 200 20 ® 65 (OF THE 1/4" SIEVE) B. SEED: PROVIDE FRESH, CLEAN, NEW —CROP SEED MIXED IN THE PROPORTIONS SPECIFIED FOR SPECIES AND VARIETY, AND CONFORMING TO FEDERAL AND STATE STANDARDS. PROVIDE THE FOLLOWING MIXTURES: •I. WITHIN STORMWATER BASIN: NEW ENGLAND EROSION CONTROL/RESTORATION MIX AS SUPPLIED BY NEW ENGLAND WETLAND PLANTS, INC., 620 WEST ST., AMHERST, MA 01002, OR APPROVED EQUIVALENT. APPLY AT A RATE OF 1 LBS/1,245 S.F. 2, OUTS STORMWATER BASIN: USE LAWN SEED AT THE RATE OF 5 TO 6 LBS PER 1,000 SF. AMOUNT BY- MINIMUM % WEIGHT S PURITY G1,11MINATION 25% KENTUCKY BLUE GRASS 95% 60% 35% PERENNIAL RYE 96% 90% RED FESCUE 97% 65% 100% C. FERTILIZER (TO BE USED ON SEEDED LAWN AREAS OUTSIDE THE BASIN ONLY).- 1. FOR SPRING SEEDING: COMMERCIAL STARTER FERTILIZER, GRAN ULAR,NONBURNING PRODUCT CONTAINING 10% NITROGEN, 6% AVAILABLE PHOSPHORUS, AND 4% WATER SOLUBLE POTASH (10®6-4)• 2. FOR FALL SEEDING: COMMERCIAL STARTER FERTILIZER, GRANULAR, NONBURNING PRODUCT, CONTAINING 5% NITROGEN, 10% AVAILABLE PHOSPHORUS, AND 5% WATER SOLUBLE POTASH (5-10-5). 3. FOR FINAL FERTILIZING: IF APPLIED IN SPRING SEASON, SHALL BE A SLOW RELEASE COMMERCIAL FERTILIZER, GRANULAR, WITH HIGH NITROGEN, 38%, URAMITE OR APPROVED EQUAL. IF APPLIED IN FALL SEASON, SHALL BE AS SPECIFIED IN (3.C.2) ABOVE, D. MULCH 1. LAWNARE AS�I�TSI E STORMWATER BASIN• HYDROSEED OR USE OAT OR WHEAT STRAW FREE OF WEEDS 2. EROSION CONiR@L/RESTORATION MIX AREA WITHIN BASIN HYDROSEED ONLY. DO NOT USE OTHER MULCH WITHIN THE BASIN. EXECUTION A. PLANTING WORK SHALL BE UNDERTAKEN AS SOON AS SITE AREAS ARE AVAILABLE. B. THE BASIN MUST BE DRAINED AND FINE GRADED TO FINISHED ELEVATION PRIOR TO PLANTING. PLANTING AREAS SHALL BE GRADED TO A SMOOTH EVEN SURFACE, FREE OF DEPRESSIONS OR RIDGES WITH A UNIFORM LOOSE, FINE TEXTURE. C. CONTRACTOR SHALL EMPLOY APPROPRIATE SEDIMENT CONTROL MEASURES TO ASSURE WATER DRAINED FROM THE BASIN SHALL BE FREE FROM SEDIMENT PRIOR TO DISCHARGE TO RECEIVING CONVEYANCE SYSTEMS. D. TOPSOIL SHALL BE SPREAD NO LESS THAN 4" THICK EXCEPT 6" THICK OVER THE AQUATIC BENCH. E. THE TOPSOIL SHALL BE TESTED FOR PH AND LIME ADDED IF NECESSARY TO AMOUNT RECOMMENDED FOR EACH PLANT SPECIES. ALL AMENDMENTS SHALL BE CHECKED AND APPROVED BY LANDSCAPE ARCHITECT BEFORE AMENDMENTS ARE MADE. F. ALL NEWLY SEEDED AREAS SHALL BE KEPT MOIST BY WATERING UNTIL VEGETATIVE COVERS ARE WELL ESTABLISHED. CONTRACTOR SHALL KEEP PLUG ROOTS MOIST UNTIL SUCH TIME THAT THE PERMANENT WATER SURFACE IS REACHED WITHIN THE BASIN. G. THE WATER IN THE BASIN SHALL BE ALLOWED TO RISE TO ITS PERMANENT POOL LEVEL WHEN THE AQUATIC BENCH HAS BEEN PLANTED AND ONLY AT A RATE THAT WILL NOT DISTURB THE NEWLY PLANTED PLUGS. H. VEGETATIVE AREAS ARE TO BE WARRANTIED UNTIL THEY HAVE BECOME ESTABLISHED, AND NOT LESS THAN 60 DAYS AFTER COMPLETION OF ALL WORK AND FINAL ACCEPTANCE. AQUATIC BENCH PLUG 3" TOPSOIL PLANTING DETAIL & SEED G° DEEP BED CORE LOG (16") OF TOPSOIL AQUATIC PLANT PLUG (TYP) m NWSE, 216 NOTES, 1, HERBACEOUS PLANTS SHOULD DE PEAT POT GROWN OR HEAVILY ROOTED PLUGS, PLANTS SHOULD DE PLANTED WITH ROOT SYSTEMS PULL INTACT 2. REMOVE ALL UNDESIRABLE PLANTS OR WEEDY VEGETATION FROM THE PLANTING PLUG 3, HERBICIDES SHALL NOT DE USED WITHIN THE BASIN TO REMOVE EXISTING WEED GROWTH 4. FERTILIZERS SHALL NOT DE USED WITHIN THE PERMANENT POOL 5. PLANTING SHALL TAKE PLACE IMMEDIATELY AFTER SOIL PREPARATION, SYMBOL ABBR, ,„,." BOTANICAL NAME COM1610N NAME T" INUNDAMAKIM SPACING SIZE REMARKS WILDLIFE VALUE FULL SON, ALTHOUGH TOLERANT m-IV) RC M L sla cry��ld- RICE Cif UP TO 3' 1��O.C, 2' PLUG OF SHADE, SHORELINE HIGH, FOOD AND COVER STABILIZATION E MH 04O Nl�ts�es ��®u3� MARSH HINSCUS UP TO 3" 15"O.C. 2$ PLUG FULL SUN. CAN TOLERATE LOW, NECTAR '&4~7 PERIODIC DRYNESS FAST COLONIZER, CAN TOLERATE HIGH, SIBS, COVER, rm CTS 360 Sclpus pungsns COMMON THREE SQUARE UP TO D' 21}"O,C, 2" PLUG PERIODS OF DRYNESS. FULL SUN. WATEFOWL, SONGBIRDS HIGH METAL REMOVAL No AN 360 S®ggitcric 1a41Tesllc ARROWHEAD UCK POTATO %O UP TO f 20°O.C. r PLUG AGGRESSIVE COLONIZER MODERATE, TUBERSAND S EATEN BY DUCKS LT 360 Suurusus comuus LIZARD'S TAIL UP TO I, 20N0,C. 2' PLUG RAPID GROWTH. SHADE TOERANT LOW, EXCEPT WOOD DUCKS 4 PW 360 Pangs pia cerdat® PICKERELWEED UP TO V 20'O.C, 2" PLUG FULL SUN TO PARTIAL SHADE MODERATF DUCKS, NECTAR FOR BUTTERFLIES d r t r r �.-�, �._.tl.�6� dam,-.�. �-.e_."a"�...' 3 �.,_.-.r�,...� _,.�,�.. > t t �•.s ' . �, ,� -�, �...�, lid � ✓ � �t tt rt � � � � �. �- �.. � "•.-,>.,,. � � dd�,d ���f Pf add � t ��'+, �. ....y,,,�� �"" �"" -.,.., ~�,® ®' �,-"� �„✓'" .,,•ate d°' � ,i'' Ir l •w..,`� �� ^a w„� ^� ..--G..m... — `mod',+' T.+° ( i' A 1®✓ �' �YVI-DITH/ tL`i3d d' f , ��"' rya `~��, `�' •--�- �..,�, ��. �.......a,. .d' `� °"�� �'�.�` � ,�' ''T„� , - ----------------------- ------------------- ------------------------- N r ,�"r ""�,.� ^°'��"`' d" � .•'' ''may-° ��,.-`�'~ I✓a �{ yb d° �,r sP � � +pd � �+d d,✓ dd �X �Ar �Ii° J mod.+^' d.l dd fa✓ d ,cam � k' dd'.•'at ddd'd ,a+''� d" ,,✓ P,. �,' d,d „y F,.r dam.+. �-'` ..• ,,�' � ,.d rd d,,� �d>' SWM/BMP 1 SCALE® 1 " ® 20' P-l' J r .:. 035724 12118118 9 1 k a a 1 i f t 1 ! i t t j d ! ! ( t t IF ! ! ! t ! ! 1 1 !( ! !( If ! ! ! ! P / / ! If /( ! 1 ( ! ! J ! ! 1 1 ► s d t r r iti t� f! 1 ( 1t t ! ! ( t I 11 d i t 1 t d ! 1 I t! I t t i if t 1 1 t t! 1 1 I 1 I 1 t ! 4, ? I I t 1 d 1 I t i tt t i 1 t t 1 ! t ( t 1 di ( ! t t t d ! ! ! t t a 1 1 t 1 d i t i ! / { i I if ( f( l 1 i 1 i 1 l t, +® B// i \\ '`\ \\ \.� a\ \\ \ --\a ay Sq ayf of l'��g f9 j } S °`♦ `'.� '''�. \ \a\a\`\ \} C. \9 9 ff \q\ \ \\i \\ \! '\ 1a \a\ \\\ \\\ e♦ ♦°*„a ♦ ♦\ f 9 � i 1' f 9f f 9 iq 9 \\ °\ \\ \\ \ � \ ♦, ♦ ♦♦ °♦ w f f ;S t t }k a\ a\\ ,, \\ Sy\ 9t \\\ \\ \\\ \\\ \\; \''°w ''•w ♦♦° ♦'.,° f f y 9csll q\ \ \4t \ t,� 1 qq Sl 1 lq k di fS S} S yqy q\a *� �wy�,. �w♦°. 9 � \\ \\ \ \\ \ 9 \\\ \\ f f 4 1 1 \ \ 9 \ \ S y \ \ \ \ TV i ®f 00A 'Y.,..e.....— \ \\ 0 1 i i i aw ♦° wr 4.35 65 \\, \ ® \\a \♦ \ h off* °°, w °-..e 4�0 °�, ♦ as '® � ♦ '°� .,•''" '' I SWM/ MP 4 SCALE: 1" = 30' �I ROUND ;ASH RACK SEE DETAIL HIS SHEET) ORIFICE ASH RACK 7-V, 436.50 ORIFICE kSH RACK 426.00 12 Pvc. t i ELEV. 439,25 DRAIN 18, i 1 24' RIPRAP CLASS I WITH 5'� FILTER FABRIC 5' CONCRETE SIAB N. 1pii�2Y " PVC MI PIPE i�.3 .mJ. akin 415 MR Mil 410 1 I cm CONS ACTED FILL MUST BEPLACED BELOW ® STORM SWER STRUCTU 5 I 00 O N C; r + & PIPES IN FiLL Pt® B' ER M iu) N ~ Z I ELEih. 1.50 1 10:1 SAFE BENCH xa 10:1 AQUAT C BENCH "7 1 I 1 YR WSE: 440.P5 10--YR WSE: 439.2U 2-YR WSE:e�lgs4ry�>37.0 i ......._....e........................... _. ......,__.._............._,. .,. _ a,.._... ._......®...r,�'� RgQUIRED P��.IK.S[.....f,.M(��f:M.4sU.lI_....1.d....I+.Ug._.e...._..._._....�....... WATER QUALITY VOLUM�: 156,449 CUFTj .. »..._..e ... _ ....__ 1.,,_./»r ....._,.. ` �y a 1 cw E % f 15 �255.91 1.18 55 ill D1a RCP OD RIPRAlb cv L-2VxW—VARIESxD-2" z I FILTER FABRIC BOTrOM ELEV 426.0 ® ./1PWD TO AAA TTI M BELOW EXIS77MG V 426.0 BED AS d j l r MOWN t�E C 7AIWNG PLAN 1 ,t7 / 210 L=11.55 I 5=7.7 7% CLAY CORE TO BE D—W RCP CLASS II I INSTALLED AROUND OUTF'ALL Pl E ..._ — m _..W. 1 rl RIIRAP 3 L-16 xW-VARIESxD 2' W FILTER FABRIC 1 x I I ...._.._._........_...._.�_..�.._..,.,.._ ...w._.__...._.._._._.._..._..,..._...._w..._....._....,....._........,_.eW.�__ ..... ........_...._» _....._w.,...._..,____..._....v......_._.......__......_.�»..._.. _...._.__ a # I SS,I 1 00 .._.._,__�._�..__.. ,...._.._• 11 00 �.-__...._.._._.-12 00 13 00 ..-�__,_.�.... __.__•-__-1 � 00..�_. r r {t 415 HOST STRUCTURE INSIDE DIMENSIONS PART NUMBER: TYPE OF PIPE MOUNTING TO: INSIDE DIAMTER OF PIPE: *AS DISTRIBUTED BY CONTECH CONSTRUCTION PRODUCTS NATIONALLY* (PLEASE PROVIDE ALL DIMENSIONS IN INCHES) ISOMETRIC VIEW PLASTIC SOLUTIONS INC. TRASH RACK OR EQUAL SUPPORT T CROSS BARS WiTH FASTENERS ATTACHED TO TRASH RACK CORRUGATED METAL OR PLASTIC PIPE SIDE VIEW PLAN VIEW ROUND SERIES TRASH RACKS RISER PART NO. CONCRETE INSIDE DIA. CMP OR HDPE NOMINAL DIA. A B C D E F G H RS-24 24"0 12"0-18"0 17 1/3" 13 1/3" 7 3/4" 6 1/4" 6 1/4" 27 1/2" 6 1/4" 7 1/2" RS-36 36"0 21"0-30"0 21 1/8" 13 1/2" 6 1/4" 6 1/4" 6 1/4" 40 1/2" 6 1/4" 7 1/2" RS-48 48"0 33"0-42"0 27 3/4" 17 3/4" 7" 8 1/2" 6 3/4" 54 1/4" 8 1/2" 9" RS-60 60"0 48"0-54"0 27 3/4" 17 3/4" 11 1/2" 8 1/2" 6 3/4- 67 1/2" 8 i/2" 9" 410 91 CONSTRUC1111ION PRODUCIIIS V14C. 9025 CENTRE PC WE ORIVE. SUITE 400 WEST CHESIER. OHIO 45069 PH: 1.800.3381122 FAX: 513.F45.7399 © COPYRIGHT CUSTOMER: PROJECT: R NISWED GR4DE AT C/L [SATE: (DRAWN BY: APP'D BY: DETAIL: SOA HO IZONTAL. I " ®50' VERT'TCAL. 1 " ® 5' s + jf + - a• w _ s' r +i r � + r Rio BRIAN C. MITCHELL Lic. No. 035724 � 12118118 ONAI. �CL t / ) ' P ) ! ! B t 1 If If 1 11 It I t it 8 9 t I it it jt 1 i 1 �8 �: ` 8 t i111 It 1 6 a l g 8 a t s i It 1 4 11t It ' IttIt s 8 8 � l It 8 8 8 I y it I 11 t Ii t1 t 'I II 11 ' ; Itj I y 8 t � 8 I 1 8 j t 1 I I I 1 1 8 it I it It \ S t} 8 1 8 tk ti 14 l I ly jS ti ll 11 ► I 1 ' 1 I 8 I I ) ! ; I! P ) ) ) I It f i 6 ! If ! ! 1 ! e{ f l If ! —k. --4�If J it ddd dd✓ ��,�'/ /� ! f /P � � �t f� )j � � � � �) � �d �+ + + ' + + P d I '! P d ! 1' PP l �« — dd / ®d ✓d // ` !' f' i f % JI It % ! 4 ; 1 8 I I + I It If P ll J P If �'"" r _ d', dd "''' .-'' /'j '°` ✓/ /' // ! ' PP 1l r � ) t i I 1 //'tJ�/, a It qqq qN. ?iq qq> q4q .e q® ° �� I, Ii �} ?I 1 q,q OS q'\q qq qq q \4 lqq \ q \° °°\ `'i i\q }° qq q '0° \ } It tN. It q P � 8 tt � I I 8 4 � I t � q \ aq ''• °q °l 1 1 t 9 I I 8 t a } \ q a q q g 8 q q q q N. N� q as '',� i 8o 1 Rq \ N. q \ 1 # s` N. a E SWIM f PMP 4SCALE: 199 ® 20' AQUATIC BENCH PLANT SCHEDULE SYMBOL ABBR.APPRML BOTANICAL NAME COMMON NAME INUNDATI jajMMCESPACING SIZE REMARKS WILDLIFE VALUE QUA&FULL RC 320 Leesla orymides RICE CUTGRASS UP TO 3" 15"0.C. 2" PLUG SUN, ALTHOUGH TOLERANT OF SHADE. SHORELINE STABILIZATION HIGH, FOOD AND COVER S 320 Carex app. SEDGES UP TO 3" 15'O.C. 2" PLUG MANY WETLAND AND SEVERAL UPLAND SPECIES HIGH, WATERFOWL, SONGBIRDS MH 480 H16lscus mosheutos MARSH HIBISCUS UP TO 3" 15"0.C. 2" PLUG FULL SUN. CAN TOLERATE PERIODIC DRYNESS LOW, NECTAR CTS 380 Scipus pungens COMMON THREE SQUARE UP TO 6" 20'O.C. 2' PLUG FASTCOLONIZER. CAN TOLERATE PERIODS OF DRYNESS. FULL SUN. HIGH METAL REMOVAL HIGH. SEEDS, COVER, WATEFatM , SONGBIRDS jj AA 320 vir Psitandra Lnica g ARROW ARUM RED UP TO 1 ' 15"D.C. Y PLUG FULL SUN TO PARTIAL SHADE HIGH, BERRIES ARE EATEN BY WOOD DUCKS 11 AIH 180 Suggitaria latifotta ARROWHEAD/DUCK POTATO UP TO 1' 20"0.C. 2" PLUG AGGRESSIVE COLONIZER MODERATE, AND NS SEEDS EATEN BY DUCKS LT 270 Saurusus camuus LIMS TAIL UP TO 1' 20'O.C. 2' PLUG RAPID GROWTH. SHADE TOERANT LOW, EXCEPT WOOD DUCKS PIN 320 Pontederia cordata PICKERELIVEED UP TO 1' 20"O.C. 2' PLUG FULL SUN TO PARTIAL SHADE NECTARMODERATE. OR BUTTERFLIES AQUATIC BENCH PLUG 3' T❑PS❑IL PLANTING DETAIL. & SEED AQUATIC BENCH 10' TYP, WIDTH 6' DEEP BED CORE LOG (16') OF TOPSOIL AQUATIC PLANT PLUG (TYP) IMPERMEABLE LAYER (REFER TO STORM WATER MANAGEMENT BASIN TYPICAL SECTION NWSEi 216 N❑TESi 1, HERBACEOUS PLANTS SHOULD BE PEAT POT GROWN OR HEAVILY ROOTED PLUGS, PLANTS SHOULD BE PLANTED WITH ROOT SYSTEMS FULL INTACT 2, REMOVE ALL UNDESIRABLE PLANTS OR WEEDY VEGETATI❑N FROM THE PLANTING PLUG 3, HERBICIDES SHALL NOT BE USED WITHIN THE BASIN TO REMOVE EXISTING WEED GROWTH 4, FERTILIZERS SHALL NOT BE USED WITHIN THE PERMANENT POOL 5, PLANTING SHALL TAKE PLACE IMMEDIATELY AFTER S❑IL PREPARATION. 1. QUALITY ASSURANCE 2. OUTSIDE .JQRMWATER BASIN: USE LAWN SEED AT THE RATE OF 5 TO A. NOMENCLATURE: PLANT NAMES SHALL CONFORM TO THE LATEST EDITION 8 LBS PER 1,000 SF. OF "STANDARDIZED PLANT NAMES" AS ADOPTED BY THE AMERICAN JOINT COMMITTEE ON HORTICULTURAL NOMENCLATURE. AMOUNT BY: MINIMUM % WEIGHT_ SPECIES OR VARIETY PURITY GERMINATION B. SIZE AND GRADING: PLANT SIZES AND GRADING SHALL CONFORM TO THE 25% KENTUCKY BLUE GRASS 95% 60% LATEST EDITION OF "AMERICAN STANDARD FOR NURSERY STOCK" AS 35% PERENNIAL RYE 98% 90% SPONSORED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, INC. (AAN), JU RED FESCUE 97% 85% UNLESS OTHERWISE SPECIFIED. 100% C. NURSERY SOURCE: OBTAIN FRESHLY DUG, HEALTHY, VIGOROUS, PLANTS C. FERTILIZER (TO BE USED ON SEEDED LAWN AREAS OUTSIDE THE BASIN NURSERY GROWN UNDER CLIMATIC CONDITIONS SIMILAR TO THOSE IN THE ONLY): LOCALITY OF THE PROJECT. PLANTS SHALL HAVE BEEN LINED OUT IN 1. FOR SPRING SEEDING: COMMERCIAL STARTER FERTILIZER, ROWS, ANNUALLY CULTIVATED, SPRAYED, PRUNED, AND FERTILIZED IN GRANULAR,NON BURNING PRODUCT CONTAINING 10% NITROGEN, 6% ACCORDANCE WITH GOOD HORTICULTURAL PRACTICE. HEELED IN PLANTS AVAILABLE PHOSPHORUS, AND 4% WATER SOLUBLE POTASH (10-6-4). AND PLANTS FROM COLD STORAGE ARE NOT ACCEPTABLE. 2. FOR FALL SEEDING: COMMERCIAL STARTER FERTILIZER, GRANULAR, D. SUBSTITUTIONS: DO NOT MAKE SUBSTITUTIONS OF PLANT MATERIALS. IF NONBURNING PRODUCT, CONTAINING 5% NITROGEN, 10% AVAILABLE REQUIRED LANDSCAPE MATERIAL IS NOT OBTAINABLE, SUBMIT PROOF OF PHOSPHORUS, AND 5% WATER SOLUBLE POTASH (5-10-5). NON —AVAILABILITY AND PROPOSAL FOR USE OF EQUIVALENT MATERIAL. WHEN AUTHORIZED, ADJUSTMENTS OF CONTRACT AMOUNT (IF ANY) WILL 3. FOR FINAL FERTILIZING: IF APPLIED IN SPRING SEASON, SHALL BE A BE MADE BY CHANGE ORDER. SLOW RELEASE COMMERCIAL FERTILIZER, GRANULAR, WITH HIGH NITROGEN, 38X URAMITE OR APPROVED EQUAL. IF APPLIED IN FALL 2. SEEDING & PLANTING SEASONS AND TIMING CONDITIONS: SEASON, SHALL BE AS SPECIFIED IN (3.C.2) ABOVE. A. UNLESS OTHERWISE DIRECTED IN WRITING, SEED STORMWATER MANAGEMENT BASIN AREA FROM APRIL '15 TO JUNE 15, AND FROM D. MULCH AUGUST 15 TO OCTOBER 15. 1. LAWN AREAS OUTSIDE STORMWATER BASIN: HYDROSEED OR USE OAT OR WHEAT STRAW FREE OF WEEDS B. UNLESS OTHERWISE DIRECTED IN WRITING THE PLANTING OF PLUGS SHALL BE FROM APRIL 15 TO OCTOBER 30. 2, N MIX A WITHIN BASIN: HYDROSEED ONLY. DO NOT USE OTHER MULCH WITHIN THE BASIN. C. PROCEED WITH AND COMPLETE SEEDING AND PLANTING AS RAPIDLY AS PORTIONS OF THE SITE BECOME AVAILABLE, WORKING WITHIN THE 4. EXECUTION SEASONAL LIMITATIONS FOR EACH KIND OF LANDSCAPE WORK REQUIRED, A. PLANTING WORK SHALL BE UNDERTAKEN AS SOON AS SITE AREAS ARE AVAILABLE. D. PROVIDE TEMPORARY ANNUAL RYEGRASS COVER FOR SEEDING OUTSIDE PERMITTED SEEDING PERIODS. SEED AT THE RATE OF 3 TO 4 LBS PER B. THE BASIN MUST BE DRAINED AND FINE GRADED TO FINISHED ELEVATION 1,000 SF. PRIOR TO PLANTING. PLANTING AREAS SHALL BE GRADED TO A SMOOTH EVEN SURFACE, FREE OF DEPRESSIONS OR RIDGES WITH A UNIFORM 3. PRODUCTS: LOOSE, FINE TEXTURE. A. IMPORTED TOPSOIL: PROVIDE TOPSOIL CONFORMING TO THE FOLLOWING: C. CONTRACTOR SHALL EMPLOY APPROPRIATE SEDIMENT CONTROL MEASURES 1. ORIGINAL LOAM TOPSOIL, WELL DRAINED HOMOGENOUS TEXTURE AND OF TO ASSURE WATER DRAINED FROM THE BASIN SHALL BE FREE FROM UNIFORM GRADE, WITHOUT THE ADMIXTURE OF SUBSOIL MATERIAL AND SEDIMENT PRIOR TO DISCHARGE TO RECEIVING CONVEYANCE SYSTEMS. FREE OF INVASIVE WETLAND SPECIES SEEDS OR ROOTS, DENSE MATERIAL, HARDPAN, CLAY, STONES, SOD OR OTHER OBJECTIONABLE D. TOPSOIL SHALL BE SPREAD NO LESS THAN 4" THICK EXCEPT 6" THICK FOREIGN MATERIAL. OVER THE AQUATIC BENCH. 2. CONTAINING NOT LESS THAN 5% NOR MORE THAN 20% ORGANIC E. THE TOPSOIL SHALL BE TESTED FOR PH AND LIME ADDED IF NECESSARY MATTER IN THAT PORTION OF A SAMPLE PASSING A 1/4" SIEVE WHEN TO AMOUNT RECOMMENDED FOR EACH PLANT SPECIES. ALL AMENDMENTS DETERMINED BY THE WET COMBUSTION METHOD ON A SAMPLE DRIED SHALL BE CHECKED AND APPROVED BY LANDSCAPE ARCHITECT BEFORE AT 105' C. AMENDMENTS ARE MADE. 3. CONTAINING A PH VALUE WITHIN THE RANGE OF 6.5 TO 7.5 ON THAT F. ALL NEWLY SEEDED AREAS SHALL BE KEPT MOIST BY WATERING UNTIL PORTION OF THE SAMPLE WHICH PASSES A 1/4" SIEVE. VEGETATIVE COVERS ARE WELL ESTABLISHED. CONTRACTOR SHALL KEEP PLUG ROOTS MOIST UNTIL SUCH TIME THAT THE PERMANENT WATER 4. CONTAINING THE FOLLOWING WASHED GRADATIONS: SURFACE IS REACHED WITHIN THE BASIN. SIEVE DESIGNATION % PASSING 1" 100 G. THE WATER IN THE BASIN SHALL BE ALLOWED TO RISE TO ITS i" 97 — 100 PERMANENT POOL LEVEL WHEN THE AQUATIC BENCH HAS BEEN PLANTED NO. 200 20 — 65 (OF THE 1 /4" SIEVE) AND ONLY AT A RATE THAT WILL NOT DISTURB THE NEWLY PLANTED PLUGS. B. SEED: PROVIDE FRESH, CLEAN, NEW —CROP SEED MIXED IN THE H. VEGETATIVE AREAS ARE TO BE WARRANTIED UNTIL THEY HAVE BECOME PROPORTIONS SPECIFIED FOR SPECIES AND VARIETY, AND CONFORMING ESTABLISHED, AND NOT LESS THAN 60 DAYS AFTER COMPLETION OF ALL TO FEDERAL AND STATE STANDARDS. PROVIDE THE FOLLOWING MIXTURES: WORK AND FINAL ACCEPTANCE. 1. WITHIN STORMWATER BASIN: NEW ENGLAND EROSION CONTROL/RESTORATION MIX AS SUPPLIED BY NEW ENGLAND WETLAND PLANTS, INC., 820 WEST ST., AMHERST, MA 01002, OR APPROVED EQUIVALENT. APPLY AT A RATE OF 1 LBS/1,245 S.F. v v , LTC, No, 035724 12118118 4a ®NA,L a v 520 515 510 505 500 D-18" RC 495 490 00 N Lo c1 4 d 3 1028 I I I > >: rn CCS 9 in C4 OC40 ��D� in cnRg � 3' WIDE BERM TOP ELEV: 503.0 7 ! � j - 1.82. BOTTOM ELEV:503.0 L=20.85 S=0.67% `` CLASS III vARWIDTHH O..OX !1 0.S13z \ ENERGY ---@ISSIPATER--•-._ 61 _ PERFORATED .__..._.-.._._._.- 6" �R35 - . o H IN PE WRAPPED FILTER FABRIC C SS I RIP RAP UC 2" MIN. W/FILTER Lm FABRIC 'xW=5'xD=2' 1 WASHED GRAVEL E ° 485 10 0 11 00 BMP 2 CLAY CORE PROFILE 510 r_ __. p... ._.__. -.. _.._ _.___._ _Y 510 490 1 =1 �w1�J 425 420 1 520 515 1.110: 495 BMP 5 CLAY CORE PROFILE 05 d ! f b90 430 CLA• CORE 425 _...._ .._._ 1 00 BMP 5 PROFILE co OD Nc II® 1L>:>:'� 1 Un ®-- r �J e i SPILLWAY ELEV 431.2 ! 425 11 7 38 L=16.31 S-1.00X d 3' WIDE ERM MASS .11L..._ _ _ u _- TOP ELEV: y440.0 yP 440 W BOTTOM ELEV: 437.25 VARIABLEWIDTH e ® I 435 DISSIPATER i.00z Yr. INV. 432.51 a 2" N IN. WASHED I GRAVEL _ _ 6" SDR3 - 430 fi" PE ATE _ INV. 431.45._ � _d HDPE W1 PPED CLASS I RIP RAP W/ IN FILTER FABRIC FILTER _FABRIC y` 420 12 0C1 12 40 d' i i °».e <-.... --.. ""'-••„," ^ag ..-' o ,.,. J p•3 y 6 IJ' µ-.e.. -0 -._. --- t..ti `.` f � ^•.. -. -•-,--.Y � '.'"_'^ .... -. ,_ � '-., ».y W f r � � r J!! 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'"'� `ter r'"r� J.`' '"' d /! d ! '"rr ��� "'°• ,\ BMP 4 PLAN 1 "=20' Mulch Layer The mulch shall be uniformly applied approximately 2 to 3 inches in depth on tops of planting soil. An acceptable mulch layer shall include shredded hardwood or shredded wood clips or similar product. ® Of the approved rrtuleh products all trust be well aged, uniform in color, and free of foreign material including plant material. o Mulch shall be free of weed seeds, soil, roots, grass or any other substance not consisting of either bole or branch wood or bark. NOTES: 1. SOIL EVALUATION MUST BE VERIFIED BY A QUALIFIED PROFESSIONAL FOR COMPOSITION, PLACEMENT AND DEPTH PER THE PLANTING SOIL MEDIA GUIDELINES AS PRESENTED ON THIS SHEET. 2. RAIN GARDEN CONSTRUCTION SHALL NOT COMMENCE UNTIL THE SITE IS FULLY STABILIZED AND ALL EC MEASURES HAVE BEEN APPROVED FOR REMOVAL. 3. ALL GRASSED SWALES AND SURROUNDING GRASSED AREAS SHALL BE FULLY STABILIZED AND THE RAIN GARDEN EMBANKMENTS SHALL BE SODDED PRIOR TO PLACING THE RAIN GARDEN IN TO OPERATION 4. A MINIMUM OF 3 SOIL BORING LOGS PER BASIN SHALL BE PROVIDED TO EVALUATE SOIL SUITABILITY FOR THE PROPOSED RAIN GARDENS AND TO ENSURE THAT THE SEASONAL HIGH WATER IS AT LEAST 3 FEET BELOW THE FILTER BED PRIOR TO INSTALLATION OF EACH RAIN GARDEN. 5. A DENSE COVER OF WATER -TOLERANT, EROSION -RESISTANT GRASS OR OTHER VEGETATION MUST BE ESTABLISHED. RECOMMENDED GRASSES INCLUDE, BUT ARE NOT LIMITED TO, THE FOLLOWING: KENTUCKY-31 TALL FESCUE, REED CANARY GRASS, REDTOP, AND ROUGH -STALKED BLUE GRASS, NOTE THAT THESE GRASSES CAN BE MIXED. 6. MONKEY GRASS SHALL BE PLANTED OVER MULCH LAYER TO STABILIZE THE MULCH. 7. THE ENVIRONMENTAL ENGINEERING INSPECTOR WILL BE NOTIFIED WHEN THE INITIAL GRADING IS COMPLETE AND THE UNSUITABLE EXISTING SOIL HAS BEEN EXCAVATED PRIOR TO INSTALLATION OF THE UNDERDRAIN SYSTEM. 8. THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN AFTER INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE UNTiL ONE YEAR AFTER STATE ACCEPTANCE. GRAM MSTING GROUND I ���rrrrr -lr MA)L PONDWG DEPTH .. f ` l:4 �,► r" F.:.- __ •_ 'C' r+YOfiF�J` 4`--.�.�.�w�r =�Iur�-- tvcism r �y . -- - c`�4"'�. �.. �.. •11, r 31walled �F t =•fur �r y, PROPOSED GRADE -Or 3:9 MAX p� SOILNG 5' SOIL MEDIA MULCH TO BE SHREDDED AS N07M HARWOOD OR HARDWOOD CHIPS 9 HmD d 0 A 9 3 Gib 4 fb_.3�L�9, .j d PE' GRAVEL THE RECOMMENDED TSIORETEN ;t. :' V 12" W GRAFT GENERALLY CLAMED AS LOAMY SAND ON THE USDA TEXTURE TRIANGLE. VOiH THE r PERFORATED HDPE TO PER THE VA DEQ DAYLIGHT ! 1X 1/r - 2" STORMIER DEMON MAPPED IN FILTER FABRIC WASHED CATIONS NO.@ GRAVEL. _= TO an SAND -ax TO 12X SDa, FlNM AND MODIFIED DETAIL FOR -3X TO IX ORGANIC MATTER (NOT TO SCALE) Bioretention Baran Adjacent to a Drainage Swale BIORETENTION AREA LIMIT FA LOW CONCRETE CHECK DAM _r R 3WALE A' PLAN VIEW (NOT TO SCALE) 3:1 MAX. (TYP•) MAX. PONOED (9 INCHES) ip`/ 7 ht WATER DEPTH Proposed Grade 3IORETENTiON AREA SLCTIOIN A -A' (NOT TO SCALE) ii-5.DWG NOTES: 1. PLANTING SOILS SHALL BE PLACED IN MAXIMUM 12" OR LESS LAVERS AND SHALL BE LIGHTLY COMPACTED. BIORETENTION AREA PLANTING SPECIFICATIONS 1. ROOT STOCK OF THE PLANT MATERIAL SHALL BE KEPT MOIST DURING TRANSPORT FROM THE SOURCE TO THE JOB SITE AND UNTIL PLANTED 2. WALLS OF PLANTING PIT SHALL BE DUG SO THAT THEY ARE VERTICAL 3. THE DIAMETER OF THE PLANTING PIT MUST BE A MINIMUM OF SIX INCHES (6") LARGER THAN THE DIAMETER OF THE BALL OF THE TREE 4. THE PLANTING SHALL BE DEEP ENOUGH TO ALLOW 1/8 OF THE OVERALL DIMENSION OF THE ROOT BALL TO BE ABOVE GRADE. LOOSE SOIL AT THE BOTTOM OF THE PIT SHALL BE TAMPED BY HAND. 5. THE PLANT SHALL BE REMOVED FROM THE CONTAINER AND PLACED IN THE PLANTING PIT BY LIFTING AND CARRYING THE PLANT BY ITS' BALL NEVER LIFT BY BRANCHES OR TRUNK) 6. SET THE PLANT STRAIGHT AND IN THE CENTER OF THE PIT SO THAT APPROXIMATELY 1/8 OF THE DIAMETER OF THE ROOT BALL IS ABOVE THE FINAL GRADE. 7. MAKE SURE PLANT REMAINS STRAIGHT DURING BACKFILLING PROCEDURE. 8. NEVER COVER THE TOP OF THE BALL WITH SOIL. MOUND SOIL AROUND THE EXPOSED BALL. 9. TREES SHALL BE BRACED BY USING 2 BY 2 WHITE OAK STAKES. STAKES SHALL BE PLACED PARALLEL TO WALWAYS AND BUILDINGS. STAKES ARE TO BE EQUALLY SPACED ON THE OUTSIDE OF THE TREE BALL. UTILIZING HOSE AND WIRE THE TREE IS BRACED TO THE STAKES. 10. BECAUSE OF THE HIGH LEVELS OF NUTRIENTS IN STORMWATER RUNOFF TO BE TREATED, BIORETENTION BASIN PLANTS SHOULD NOT REQUIRE CHEMICAL FERTILIZATION PLANTING DATE GUIDELINES BALLED AND BURLAPPED AND CONTAINERIZED TREES AND SHRUBS SHOULD BE PLANTED BETWEEN MARCH 15 AND JUNE 30 OR BETWEEN SEPTEMBER 15 AND NOVEMBER 15. GROUND COVER EXCLUDING GRASSES AND LEGUMES CAN FOLLOW THE TREE AND SHRUB PLANTING DATES. GRASSES AND LEGUMES TYPICALLY SHOULD BE PLANTED IN THE SPRING OF THE YEAR. 2 "R 6" r� FLOW G �*-- ' Maintenance/inspection Guideftes The following maintenance and inspection guidelines are not intended to be all inclusive. Specific Facilities may require additional measures not discussed here. A schedule vfrecommended maintenance for bioretention areas is given in Table 3.11-5. The table gives aencral guidance regarding methods, frequency, and time of year for maintenance. Planting Soil Urban plant communities tend to become very acidic due to precipitation as well as the influences of s-tona water runoff. For this reason, it is recommended that the application of alldaline, such as limestone, be considered once to twice a year. Testing ofthep%r ofthe organic layer and soil, should precede the limestone application to determine the amount of limestone required - Soil testing should be conducted annually so that the accumulation of toxins and heavy metals can be detected or prevented. Over a period of time, heavy metals and other toxic substances will tend to accumulate in the soil and the plaints. Data from other environs such as forest buffers and grass swales suggest accumulation of toxins and heavy metals within five years ofinstallation. However, there is nq methodology to estimate the level oftoxic materials in the bioretention areas since runoff, soil, and plant characteristics will vary from site to site. A.s etoxicsubstancesaccumulate,theplantbiologicfunctionsmaybecomeimpaired,andtheplant experience dwarfed growth followed by mortality. The biota within the soil can also become void and the natural soil chemistry may be altered. The preventative measures would.include the removal of the contaminated soil. rn some cases, removal and disposal of the entire soil base as well as the plant material may be required. Mulch Bioretention areas should be mulched once~ the planting of trees and shrubs has occurred. Any ground. cover specified as plugs may be installed once the area has been mulched. Ground cover established by seeding and\or consisting of grass should not be covered with mulch. GRAPHIC SCALE 20 0 90 20 40 ( IN FEET ) 1 inch = 20 ft. LEGEND FINLWED GRADE AT C/L - - - - - - - - - 00T. FUND AT C/L 30' MIN 1141 - 2-.2" STAKE e:-Y f{X1. WIRE GUY 1 r 1� TURNBUCKLE f 7� 's Ir e jJ 120' rrr �f r; e' 4r5"30' F�L r1i I •7i%ILIdI I Y N CiL PRUNE ALL BROKEN, DEAD AND DAMAGED BRANCHES. DO NO CUT LEADER. 3- MIN. WEBBINGx12-MIN. L d • I 1 i �� THREAD GABLE THROUGH METAL ` GROMMETS - WRAP WITH COMMERCIAL CREPE TO SECOND BRANCH. START AT BOTTOM -r� G-1/2-GALVANIZED TURNBUCKLE -9 ••'S., ~�® —�® 12 GA. GALVANIZED GUY WIRE r%N 3"x12.'WOOD OR METAL FLAG -PAINTED WHITE _•$� ~ 3" EARTH MOUND TO CREATE SAUCER � 4ti r . 1 •t`• 3" MIN. SHREDDED PINEBARK MULCH • faa ! REMOVE BURLAP FROM TOP 113 OF BALL j�1 V 3 " 2"X2'X30- STAKES. SALT PRESSURE ®TREATED aE11 j �li PINE-DP.IVE FLUSH WITH GRADE Y �•_ _i - PREPARED TOPSOIL BACKFILL I �ti1 1 SCARIFY BOTTOM OF PIT y TREE GUYING DETAIL — 3" CALIPER OR MORE NOTTO SCALE 3" EARTH MOUNDED TO FORM SAUCER I•• SHREDDED ti PINEEARK MULCH 3'°-4'°PINEBAIIKMULCFI --- s f,: � 5 .t REMOVE BURLAP FROM TOP Ili--m k*1ij s II�I� —11��1 }. y•i :,M1r.'' 1/3 OF BALL Ii} f h`Y II MIN PREPARED TOPSOIL BACKFILL 11 ;-__ 1= - MIN - w ' 6" "., 1i.1- -'.I SCARIFY BOTTOM OF PIT �1111 1_ — Ii,Illll,— — 1 i } B & B SHRUB I GROUNDC OVER RED NOT TO SCALE BALLED AND BURLAPPED AND CONTAINERIZED TREES AND SHRUBS SHOULD BE PLANTED BETWEEN MARCH 15 AND JUNE 30 OR BETWEEN SEPTEMBER 15 AND NOVEMBER 15. GROUND COVER EXCLUDING GRASSES AND LEGUMES CAN FOLLOW THE TREE AND SHRUB PLANTING DATE. GRASSES AND LEGUMES TYPICALLY SHOULD BE PLANTED IN THE SPRING OF THE YEAR. BIORETENTION FILTER 2 PLANT SCHEDULE SYMBOL TOTAL BOTANICAL NAME COMMON NAME SIZE QUAN• HEIGHT SPACING 11 Taxodium distichum Bold Cypress 6-7' 15' 0.C, ' 2 Magnolia Virginiana Sweetbay Magnolia 6-7' 15' O.C. 12 Itea Virginica 'Henry's Garnett' Sweetspire 3gal. 4' O.C. 16 Cornus Sericea 'Arctic Fire' Red Twig Dogwood 3gal. 4' O.C. 12 Myrcia Cerifera Waxmyrtle 3gal. 6' O.C. JI � / r' r' t° Jl ++1 d � 1 J i t1 t 1 I I i � � i ��� �1 - "'>... '`��r ma`s•, �'`"°,� '" °'/ � II i �� i 1 �� t! } � j � � i i � t s i � � �� x ��+ e��°a•�,�� t J J r t / f� 1 1 ! 1 i 8 t 4 t t S .%K S a18S --• _., _.. __-... °� `�LS'S , ��Jt J /�' � ' `J JJ ` j t J� r � I I ,•- 1 I I t � 1� S ' SStS I I r f J J t d J �* �0A t ! r 1 ® �' •"' "' '' � fir/ -E `w• r I ,r� J ' t A P 1 1 I 1 i t FA • 1 ! r 1 t ! d J t 1 r t f t I t 1 J i - N T/ SYMBOL TOTAL QUAY BOTANICAL NAME COMMON NAME SIZE HEIGHT SPACING d Taxodium distichum Bald Cypress 6-7' 15' O.C. ' 3 Magnolia Virginians Sweetbay Magnolia 6-7' 15' O.C. 7 Itea Virginica 'Henry's Garnett' Sweetspire 3gal. 4' 0.C° 12 Cornus Sericea 'Arctic Firs Red Twig Dogwood 3gal. 4' O.C. j 17 Myrcia Cerifera Waxmyrtle 3gal. 6' O.C. j !1 l 8 i t. mt J MIN BRIAN C, MI tCHELL 1 11 co Llc, No. 035724 m 12118118 _ I0NAL 06 : :1 • Rik a w r . r a; k I • .1 �. t . T 4r� • f s / � y